Find flights from Seattle to Phoenix (SEA-PHX) with Jetcost. Compare deals from top airlines and travel agencies and find your Seattle - Phoenix flight at the best price. ... Phoenix flight is $10. The airports of Seattle and Phoenix. Seattle is approximately 1107 mi from Phoenix. Flying from another airport in Seattle or to another airport in ...Phoenix to Seattle Round Trip Flight Deals. PHX Phoenix April 27, 2024. SEA Seattle May 08, 2024. $86 .95*. PHX Phoenix July 04, 2024. SEA Seattle July 05, 2024. $139 .20*. PHX Phoenix July 05, 2024. SEA Seattle July 09, 2024.Check the status of your flight to Phoenix Airport (PHX) using the information on our departures page. The data on departures times and status is frequently updated in real time. To simplify your search, you have the option to filter results by Airline or Time period, or you can use the search box to find your flight directly. ... Seattle (SEA ...Direct. Tue, 20 Feb SEA - PHX with Frontier Airlines. Direct. from £57. Seattle. £58 per passenger.Departing Tue, 5 Mar, returning Wed, 6 Mar.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Tue, 5 Mar, arriving in Seattle / Tacoma International.Inbound direct flight with ...Find the best deals on flights from Phoenix (PHX) to Seattle (SEA). Compare prices from hundreds of major travel agents and airlines, all in one search.Seattle to Phoenix Sky Harbor Intl Airport flights are typically 63% cheaper than other airlines traveling the same route. Flights from Spirit Airlines typically cost $237.79 RT. The cheapest Spirit Airlines flight found for this route was $78. When traveling from Seattle to Phoenix Sky Harbor Intl Airport on Spirit Airlines, the most popular ...Wed, 15 May SEA - PHX with Frontier Airlines. Direct. from £57. Seattle. £61 per passenger.Departing Thu, 28 Mar, returning Tue, 9 Apr.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Thu, 28 Mar, arriving in Seattle / Tacoma International.Inbound direct flight with … Each day, there are between 28 and 35 nonstop flights that take off from Phoenix Sky Harbor Intl Airport and land in Seattle, with an average flight time of 3h 10m. The most common departure time is 1:00 p.m. and most flights take off in the morning. Cheap flights from Phoenix (PHX) to Seattle (SEA) Prices were available within the past 7 days and start at CA $90 for one-way flights and CA $178 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Phoenix to Seattle with no change fee on selected ...Best airfare and ticket deals for PHX to SEA flights are based on recent deals found by Expedia.com customers within the past 7 days. Origin Destination Travel Dates Flights From* PHX: Seattle: Apr 20 - Apr 22 April 20 to April 22: $151 *Prices include taxes and fees. Cheapest PHX to SEA FlightsSeattle to Phoenix Sky Harbor Intl Airport flights are typically 63% cheaper than other airlines traveling the same route. Flights from Spirit Airlines typically cost $237.79 RT. The cheapest Spirit Airlines flight found for this route was $78. When traveling from Seattle to Phoenix Sky Harbor Intl Airport on Spirit Airlines, the most popular ...Selected fares from Seattle to Phoenix. The cheapest prices found with in the last 7 days for return flights were $68 and $34 for one-way flights to Phoenix for the period specified. Prices and availability are subject to change. Additional terms apply. Sat, Apr 20 - …The distance between Phoenix (Phoenix Sky Harbor International Airport) and Seattle (Seattle–Tacoma International Airport) is 1107 miles / 1781 kilometers / 962 nautical miles. The driving distance from Phoenix (PHX) to Seattle (SEA) is 1420 miles / 2286 kilometers, and travel time by car is about 26 hours 35 minutes.Wed, May 8 SEA – PHX with Frontier Airlines. Direct. from $57. Seattle.$65 per passenger.Departing Sat, Apr 27, returning Tue, Apr 30.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Phoenix Sky Harbor on Sat, Apr 27, arriving in Seattle / Tacoma International.Inbound direct flight with ...Tue, May 14 SEA – PHX with Frontier Airlines. Direct. from $66. Seattle.$76 per passenger.Departing Tue, Jul 16, returning Sat, Jul 20.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Phoenix Sky Harbor on Tue, Jul 16, arriving in Seattle / Tacoma International.Inbound direct flight with ...Fly with Spirit Airlines and get a great deal on flights from Seattle to Phoenix. With Spirit's Bare Fare™ You Pay Only the Services You Need! ... Ultra Low Fare Flights from Seattle (SEA) to Phoenix (PHX) with Spirit from $66. Round-trip. expand_more. 1 passenger. expand_more. Promo Code. expand_more. From. close. To. close. From 04/25/2024 ...Connect with us. Find low fares to top destinations on the official Southwest Airlines website. Book flight reservations, rental cars, and hotels on southwest.com.Find cheap fares from Phoenix, AZ (PHX) to Seattle, WA (SEA) with Frontier Airlines. Enjoy unlimited savings all year with the Discount Den℠!Mar 5, 2024 · Wed, May 15 PHX – SEA with Frontier Airlines. Direct. from $66. Phoenix.$66 per passenger.Departing Tue, Apr 30, returning Tue, May 7.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Seattle / Tacoma International on Tue, Apr 30, arriving in Phoenix Sky Harbor.Inbound direct flight with ... Find flights to Phoenix from $33. Fly from the United States on Frontier, Spirit Airlines and more. Fly from Los Angeles from $33, from Seattle from $34, from Dallas from $36 or from San Francisco from $39. Search for Phoenix flights on KAYAK now to find the best deal.AS739 Flight Status and Tracker, Alaska Airlines Phoenix to Seattle Flight Schedule, AS739 Flight delay compensation, AS 739 on-time frequency, ASA 739 average delay, ASA739 flight status and flight tracker. ... PHX: SEA: 17:50 : 17:59 : 20:50 : 20:29 : Landed. Track > 29/05/2023 29/05: PHX: SEA:Flights from Phoenix (PHX) to Seattle (SEA) Origin airport. Sky Harbor Intl. Destination airport. Seattle - Tacoma Intl. Airlines serving. Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Spirit Airlines, …Flight prices from Phoenix to Seattle. The cost of a Phoenix - Seattle flight ticket increases or decreases depending on the dates you choose for your trip, seasonality and local holidays. The best price recorded in the last 15 days for a Phoenix - Seattle flight is $29.Return flights from Phoenix PHX to Seattle SEA with Delta If you’re planning a round trip, booking return flights with Delta is usually the most cost-effective option. With airfares ranging from $121 to $121, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. Book one ...Cheap Flights from Phoenix (PHX) to Seattle (SEA) Prices were available within the past 7 days and start at £62 for one-way flights and £78 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals.Best Deals on Flights to Phoenix, AZ. From. flight_takeoff. To. flight_land. Budget $ Denver, CO (DEN) To. Phoenix, AZ (PHX) Departing May 14, 2024. From. $26* Last seen: 8 hours ago. One-way / Economy. ... (SEA) To Phoenix, AZ (PHX) One-way / Economy: Departing Jul 11, 2024: From. $39* Last seen: 15 hours ago. From Minneapolis/St. Paul, …Fly with Spirit Airlines and get a great deal on flights from Seattle to Phoenix. With Spirit's Bare Fare™ You Pay Only the Services You Need! ... Ultra Low Fare Flights from Seattle (SEA) to Phoenix (PHX) with Spirit from $66. Round-trip. expand_more. 1 passenger. expand_more. Promo Code. expand_more. From. close. To. close. From 04/25/2024 ... Cheap Flights from SEA to PHX starting at $39 One Way, $78 Round Trip. Prices starting at $78 for return flights and $39 for one-way flights to Sky Harbor Intl. were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply. Sat, May 4 - Sat, May 11. The total flight duration from SEA to PHX is 2 hours, 24 minutes. This is the average in-air flight time (wheels up to wheels down on the runway) based on actual flights taken over the past year. It covers the entire time on a typical commercial flight …You’ll find 3 flights to choose from and can sort by price, flight duration, and arrival or departure time. Return flights from Phoenix PHX to Seattle SEA with WestJet If you’re planning a round trip, booking return flights with WestJet is usually the most cost-effective option. With airfares ranging from to , it’s easy to find a flight ...SEA - Seattle Tacoma International - 2400 S 170th St, SeaTac, WA 98158, USA View Airport; Charter to Seattle Private Jet Charter Seattle to Phoenix Local Phoenix Airports PHX - Phoenix Sky Harbor International - PHX Sky Train Terminal 2 Walkway, Phoenix, AZ 85034, USA View AirportApr 11, 2024 · Cheap flights from Phoenix to Seattle start at $42 and rise to about $581, which is the average price for this route. Prices vary by season, availability, and route. The most popular route is Phoenix Sky Harbor Intl - Seattle/Tacoma Intl ($97 on average). What is PHX to SEA? PHX and SEA are what we call IATA codes. Get promo code and enjoy cheap airfare on PHX to SEA flights. OneTravel » North America » United States » Washington » Seattle » PHX to SEA Flights . Flights from Phoenix to Seattle (PHX to SEA) LP-Popup-SEO-R. Need help booking? Our agents are ready! Call us 24/7 at 1-646-738-4863.DAL2262. B738. Arrived / Gate Arrival. Sat 04:32PM MST. 06:49PM PST Sat. Phoenix Sky Harbor Intl (KPHX) - Seattle-Tacoma Intl (KSEA) - Flight Finder - Find and track any flight (airline or private) -- search by origin and destination.Flight status. Help. Contact American. Receipts and refunds. FAQs. Agency reference. Cargo , Opens another site in a new window that may not meet accessibility guidelines. Bag and optional fees. Customer service and contingency plans.Find flights from Seattle to Phoenix (SEA-PHX) with Jetcost. Compare deals from top airlines and travel agencies and find your Seattle - Phoenix flight at the best price. ... Phoenix flight is $10. The airports of Seattle and Phoenix. Seattle is approximately 1107 mi from Phoenix. Flying from another airport in Seattle or to another airport in ...United flights from Phoenix to Seattle from. $ 216. * 1 Passenger, Economy. Home. United flights. Flights to United States. Phoenix - Seattle. Featured daily fares for flights from …Cheap flight deals from Seattle to Phoenix (SEA-PHX) Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Seattle to Phoenix that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and ... It is an easy trip with nonstop flights from Phoenix Sky Harbor International Airport (PHX) to Seattle-Tacoma International Airport (SEA) on Delta, American, Alaska, Frontier, and Southwest airlines leaving throughout the day and arriving in less than three hours. Book one-way or return flights from Phoenix to Seward with no change fee on selected flights. Earn your airline miles on top of our rewards! Get great 2024 flight deals from Phoenix to Seward now!Check the status of your flight to Phoenix Airport (PHX) using the information on our departures page. The data on departures times and status is frequently updated in real time. To simplify your search, you have the option to filter results by Airline or Time period, or you can use the search box to find your flight directly. ... Seattle (SEA ...All dates and times are local for the airport listed. Gates and times are subject to change. For the most current information, check the airport monitors. Search for a topic... Find the flight status for a specific Delta Air Lines flight and receive real-time notifications via …all flights from Phoenix (PHX) to Seattle (SEA). On-Time Performance and Delay Statistics - Flightera.net. ... PHX -> SEA Delta Air Lines 25 Mar 19:05 MST 25 Mar 22:17 PDT: 7h 31min late 7h 31min late View all. AIRLINES FLYING THIS ROUTE AIRLINE FLIGHTS /week; Alaska Airlines ...Southwest Airlines ® has direct flights from Phoenix Sky Harbor International Airport to Seattle-Tacoma International Airport. Find your flight to Seattle/Tacoma with Southwest …My dates are flexible. SHOW FARES. Include Nearby Airports. Search for a Delta flight round-trip, multi-city or more. You choose from over 300 destinations worldwide to find a flight that fits your schedule. Savings not available on all packages. We offer Round Trip starting at $76 and One-Way flights starting at $24. Find Last Minute Deals on flights from PHX to SEA with Hot Rate Discounts! Save up to 40% on Cheap Flights from Phoenix (PHX) to Seattle (SEA). On average, a flight to Phoenix Sky Harbor Intl Airport costs $298. The cheapest price found on KAYAK in the last 2 weeks cost $24 and departed from Las Vegas. The most popular routes on KAYAK are San Francisco to Phoenix Sky Harbor Intl Airport which costs $260 on average, and Chicago to Phoenix Sky Harbor Intl Airport, which costs $298 on ... Prices were available within the past 7 days and start at $66 for one-way flights and $108 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals. One way. Roundtrip. Tue, Apr 30 - …Cheap flights from Seattle (SEA) to Phoenix (PHX) Prices were available within the past 7 days and start at CA $82 for one-way flights and CA $65 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Seattle to Phoenix with no change fee on selected ...The cheapest way to get from Phoenix Airport (PHX) to Seattle Airport (SEA) costs only $218, and the quickest way takes just 3 hours. Find the travel option that best suits you. ... (PHX) to Seattle Airport (SEA) is to fly which takes 3h and costs $65 - $400. Alternatively, you can bus, which costs $120 - $450 and takes 34h 45m.Book flights from Seattle/Tacoma to Phoenix with Southwest Airlines ®. It’s easy to find the Seattle-Tacoma International Airport to Phoenix Sky Harbor International Airport flight to make your booking and travel a breeze. Whether you’re traveling for business or pleasure, solo or with the whole family, you’ll enjoy flying Southwest ®.Direct flights from Phoenix to Seattle / Tacoma. Did you mean flights from Seattle / Tacoma to Phoenix? Home Flights from Phoenix (PHX) to Seattle / Tacoma (SEA) Last updated … Prices were available within the past 7 days and start at $69 for one-way flights and $131 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals. One way. Roundtrip. Wed, Feb 28 - Wed, Feb 28. SEA. Seattle. Cheap Flights from PHX to SEA starting at $34 One Way, $68 Round Trip. Prices starting at $68 for return flights and $34 for one-way flights to Seattle - Tacoma Intl. were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply. Sat, May 4 - Sat, May 11. PHX. AS 700. 11:30 am. 02:21 p. Find airfare deals on cheap tickets from Seattle - Tacoma Intl. (SEA) to Sky Harbor Intl. (PHX ) and save on your next flight with Flights.com.Find the best deals on flights from Phoenix (PHX) to Seattle (SEA). Compare prices from hundreds of major travel agents and airlines, all in one search.Find cheap fares from Phoenix, AZ (PHX) to Seattle, WA (SEA) with Frontier Airlines. Enjoy unlimited savings all year with the Discount Den℠!Phoenix to Seattle. We've scanned 117,220,093 round trip itineraries and found the cheapest flights to Seattle. Multiple Airlines & Frontier frequently offer the best deals to Seattle flights, or select your preferred carrier below to …Cheap Flights from Phoenix to North Seattle (PHX-SEA) Prices were available within the past 7 days and start at $34 for one-way flights and $68 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals. One way. Roundtrip. Use Google Flights to plan your next trip and find cheap one way or round trip flights from Phoenix to Seattle. Find the best flights fast, track prices, and book with confidence. Show price. 20:30. American Airlines. AA3358. Show price. Phoenix, PHX to Seattle, SEA flight path. The distance is 1113 miles or 1791 km. Phoenix Sky Harbor International to Seattle Tacoma International direct flight information. See departures and non-stop flight schedules to Seattle with 5 different airlines. Phoenix to Seattle / Tacoma Flights. Flights from PHX to SEA are operated 91 times a week, with an average of 13 flights per day. Departure times vary between 05:01 - 23:01. The earliest flight departs at 05:01, the last flight departs at 23:01. However, this depends on the date you are flying so please check with the full flight schedule above ... It is an easy trip with nonstop flights from Phoenix Sky Harbor International Airport (PHX) to Seattle-Tacoma International Airport (SEA) on Delta, American, Alaska, Frontier, and Southwest airlines leaving throughout the day and arriving in less than three hours. Seattle.$76 per passenger.Departing Wed, Sep 18, returning Sat, Sep 28.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines …In-Flight information. The average flying time for a direct flight from Seattle, WA to Phoenix is 2 hours 50 minutes. Most direct flights leave around 6:00 PDT. American Airlines flight #459 is today's earliest flight from Seattle, WA to Phoenix (6:00 PDT, Airbus A321-100/200)Phoenix to Seattle Round Trip Flight Deals. PHX Phoenix April 27, 2024. SEA Seattle May 08, 2024. $86 .95*. PHX Phoenix July 04, 2024. SEA Seattle July 05, 2024. $139 .20*. PHX Phoenix July 05, 2024. SEA Seattle July 09, 2024.F9 1568 Seattle to Phoenix Flight Status Frontier Airlines Flight F91568 from Seattle Tacoma International Airport SEA to Phoenix Sky Harbor International Airport PHX is not scheduled for today April 16th, 2024. The last time the flight was scheduled was on April 9th, 2024. Check the table below for F91568's most recent flight history:Wed, May 8 SEA – PHX with Frontier Airlines. Direct. from $67. Seattle.$71 per passenger.Departing Sat, Jun 15, returning Tue, Jul 2.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Phoenix Sky Harbor on Sat, Jun 15, arriving in Seattle / Tacoma International.Inbound direct flight with ...Cheap flights from Phoenix to Port Orchard (PHX - SEA): Compare last minute flight deals, direct flights and round-trip flights with Orbitz today! Skip to main content. ... Seattle (SEA) to Phoenix (PHX) Frontier Airlines • Coach. Save 100% on your flight. Price was $1,345, price is now $860 per person. $1,345.Fly with Spirit Airlines and get a great deal on flights from Phoenix to Seattle. With Spirit's Bare Fare™ You Pay Only the Services You Need! ... Ultra Low Fare Flights from Phoenix (PHX) to Seattle (SEA) with Spirit from $66. Round-trip. expand_more. 1 passenger. expand_more. Promo Code. expand_more. From. close. To. close. From 04/23/2024 ...Prices were available within the past 7 days and start at $79 for one-way flights and $157 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals. One way. Roundtrip. Sat, Sep 21 - …Cheap Flights from PHX to SEA starting at $34 One Way, $68 Round Trip. Prices starting at $68 for return flights and $34 for one-way flights to Seattle - Tacoma Intl. were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply. Sat, May 4 - Sat, May 11. PHX.Best Deals on Flights to Phoenix, AZ. From. flight_takeoff. To. flight_land. Budget $ Denver, CO (DEN) To. Phoenix, AZ (PHX) Departing May 14, 2024. From. $26* Last seen: 8 hours ago. One-way / Economy. ... (SEA) To Phoenix, AZ (PHX) One-way / Economy: Departing Jul 11, 2024: From. $39* Last seen: 15 hours ago. From Minneapolis/St. Paul, …The cheapest way to get from Phoenix Airport (PHX) to Seattle Airport (SEA) costs only $218, and the quickest way takes just 3 hours. Find the travel option that best suits you. ... (PHX) to Seattle Airport (SEA) is to fly which takes 3h and costs $65 - $400. Alternatively, you can bus, which costs $120 - $450 and takes 34h 45m.Cheapest round-trip prices found by our users on KAYAK in the last 72 hours. One-way Round-trip. New Delhi 1 stop $928. Mumbai 2 stops $1,047. Hyderabad 3 stops $1,321. Bengaluru 2 stops $1,065. Chennai 2 stops $1,215. Ahmedabad 2 …Buses. $53. 4h 15m. Find flights to Seattle from $69. Fly from Portland on Alaska Airlines, Delta, Spirit Airlines and more. Search for Seattle flights on KAYAK now to find the best deal.Track AS637 from Phoenix to Seattle: Alaska Airlines flight status, schedule, delay compensation, and real-time updates. Flight Tracker; Airports; Airlines; News; Flights Monitor; ... AS637 and Phoenix PHX to Seattle SEA Flights. Flight AS637 is code-shared by 4 airlines using the flight numbers DE5263, FI7640, QR2140, TN2514.Cheapest round-trip prices found by our users on KAYAK in the last 72 hours. One-way Round-trip. New Delhi 1 stop $928. Mumbai 2 stops $1,047. Hyderabad 3 stops $1,321. Bengaluru 2 stops $1,065. Chennai 2 stops $1,215. Ahmedabad 2 …all flights from Phoenix (PHX) to Seattle (SEA). On-Time Performance and Delay Statistics - Flightera.net. ... PHX -> SEA Delta Air Lines 25 Mar 19:05 MST 25 Mar 22:17 PDT: 7h 31min late 7h 31min late View all. AIRLINES FLYING THIS ROUTE AIRLINE FLIGHTS /week; Alaska Airlines ...Amazing American Airlines PHX to SEA Flight Deals. The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $186 round trip and $108 one way. Prices and availability subject to change. Additional terms may apply. Wed, Apr 24 - Tue, May 28.
Phoenix.$66 per passenger.Departing Tue, May 14, returning Wed, May 15.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines …. Fire kirrin
Find deals on flights from Sky Harbor Intl. (PHX) to Seattle - Tacoma Intl. (SEA) starting at CA $59. As COVID-19 disrupts travel, a few airlines are offering WAIVING CHANGE FEE for new bookingsFlight status. Help. Contact American. Receipts and refunds. FAQs. Agency reference. Cargo , Opens another site in a new window that may not meet accessibility guidelines. Bag and optional fees. Customer service and contingency plans.WN1911 and Phoenix PHX to Seattle SEA Flights. This is a multi leg flight of Southwest Airlines WN1911. Previous leg is Austin to Phoenix. Other flights departing from Phoenix PHX: AA4164, AN501, WN2248, AMF1351. Other flights arriving at Seattle SEA: DL389, AS1154, AS2062, AS2159. All flights connecting Phoenix PHX to Seattle SEA.Seattle / Tacoma to Phoenix Flights. Flights from SEA to PHX are operated 80 times a week, with an average of 11 flights per day. Departure times vary between 05:00 - 22:14. The earliest flight departs at 05:00, the last flight departs at 22:14. However, this depends on the date you are flying so please check with the full flight schedule above ...Priceline has found over 20 Phoenix - Seattle flights departing in the next week. The following days have nonstop flights scheduled for this route: Sunday, …Check the status of your flight to Phoenix Airport (PHX) using the information on our arrivals page. The data on arrival times and status is frequently updated in real time. To simplify your search, you have the option to filter results by Airline or Time period, or you can use the search box to find your flight directly. ... Seattle (SEA) 06: ...Airfares from $39 One Way, $78 Round Trip from Seattle to Phoenix. Prices starting at $78 for return flights and $39 for one-way flights to Phoenix were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply. Tue, Apr 30 - Sat, May 4.Deep Discounts on Hotels, Flights and Rental Cars. Get Exclusive Savings with Priceline.com.Airfares from $35 One Way, $74 Round Trip from Phoenix to Olympia. Prices starting at $74 for return flights and $35 for one-way flights to Olympia were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply. The cheapest month for flights from Phoenix-Mesa Gateway Airport to Seattle is January, where tickets cost $157 on average. On the other hand, the most expensive months are December and July, where the average cost of tickets is $267 and $258 respectively. Flights from Phoenix (PHX) to Seattle (SEA) Origin airport. Sky Harbor Intl. Destination airport. Seattle - Tacoma Intl. Airlines serving. Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Spirit Airlines, ….