Southwest Airlines Phoenix to Seattle Flights

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Best Airfare Price Calendar Flights Schedule

Cheapflightsplus.com will find cheap Southwest Airlines flights from Phoenix to Seattle. Compare airline ticket prices and book air tickets starting from $91 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of Southwest Airlines, arrivals and departure details below.

Find Cheap Airfare Phoenix (AZ) — Seattle (WA) by Southwest Airlines

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in may: one-way - $91, two-way – $156.

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Cheap Flights from Phoenix to Seattle by Southwest Airlines

Look at the list of plane tickets for the most popular direct flights by Southwest Airlines, their prices start from $91. The fastest nonstop flight takes 3h 5m. There’re no connecting flights.

Price	Departure	Arrival	Flight Time	Airline	Flight
from $91 Find flight	8:45 pm Phoenix Sky Harbor Intl	11:50 pm Seattle Seattle-Tacoma Intl	3h 5m	Southwest Airlines	WN1780
from $103 Find flight	5:55 pm Phoenix Sky Harbor Intl	9:00 pm Seattle Seattle-Tacoma Intl	3h 5m	Southwest Airlines	WN130
from $139 Find flight	8:15 am Phoenix Sky Harbor Intl	11:25 am Seattle Seattle-Tacoma Intl	3h 10m	Southwest Airlines	WN928
from $145 Find flight	10:25 am Phoenix Sky Harbor Intl	1:40 pm Seattle Seattle-Tacoma Intl	3h 15m	Southwest Airlines	WN402

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*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 05/11/2025

Southwest Airlines Flight Schedule Phoenix to Seattle

Below is a detailed 2025 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.

Departure	Flight Details	Flight Time	Price
10:25 am — 1:40 pm	10:25 am — 1:40 pm WN402 Southwest Airlines Phoenix — Seattle	3h 15m	Find flight from$145
5:55 pm — 9:00 pm	5:55 pm — 9:00 pm WN130 Southwest Airlines Phoenix — Seattle	3h 5m	Find flight from$103
8:15 am — 11:25 am	8:15 am — 11:25 am WN928 Southwest Airlines Phoenix — Seattle	3h 10m	Find flight from$139
8:45 pm — 11:50 pm	8:45 pm — 11:50 pm WN1780 Southwest Airlines Phoenix — Seattle	3h 5m	Find flight from$91

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times are local. Last updated on 05/11/2025

Flight Information

There are 4 flights by Southwest Airlines from Phoenix to Seattle every week with departures from Sky Harbor Intl, Phoenix-Deer Valley, Luke AFB, Scottsdale Municipal, Williams Gateway. All flights arrive at Seattle-Tacoma Intl, Boeing Field International Airport, Kenmore Air Harbor SPB.

Departures start from 10:25 am to 8:45 pm. Nonstop flight is 3h 5m. The time difference between Phoenix and Seattle is 1h.

The fastest flight 3h 5m
Average flight time 3h 8m
The earliest flight 10:25 am
The latest flight 8:45 pm
Distance 1107 ml

The cheapest flight by Southwest Airlines that our users were able to find is $91. This airfare is economy class on one-way WN1780 flight for October 4, 2018 leaving Sky Harbor Intl in Phoenix at 8:45 pm, it includes all taxes and additional fees.

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Southwest Airlines Airplanes on the Route

List of the most popular Southwest Airlines airplanes flying from Phoenix to Seattle:

Other Popular Airlines on the Route

Besides Southwest Airlines there are other 13 airline carriers between Phoenix and Seattle. Please review schedules and prices from the most popular airlines to find the best airfare deals from Phoenix to Seattle.

Nonstop flights

There are 27 direct flights every day from Phoenix. Airlines and fares are below:

AS - Alaska Airlines

from $57

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F9 - Frontier Airlines

from $25

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Connecting Flights

List of flights with layovers (1 and more stops):

SY - Sun Country Airlines

from $220

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MX - Mexicana

from $187

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UA - United Airlines

from $182

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G4 - Allegiant Air

from $199

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AN - HOP! (ex-Airlinair)

from $349

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AS - Alaska Airlines

from $116

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F9 - Frontier Airlines

from $67

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PD - Porter Airlines

from $620

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Y4 - Volaris

from $430

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WS - WestJet

from $269

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NK - Spirit Airlines

from $104

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9X - New Axis Airways

from $227

Find

See more connecting flights

How to book an air ticket yourself?

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That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
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