Southwest Airlines Seattle to Phoenix Flights

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Best Airfare Price Calendar Flights Schedule

Cheapflightsplus.com will find cheap Southwest Airlines flights from Seattle to Phoenix. 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 Seattle (WA) — Phoenix (AZ) 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 Seattle to Phoenix 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 2h 50m. There’re no connecting flights.

Price	Departure	Arrival	Flight Time	Airline	Flight
from $91 Find flight	6:45 am Seattle Seattle-Tacoma Intl	9:40 am Phoenix Sky Harbor Intl	2h 55m	Southwest Airlines	WN2187
from $103 Find flight	10:45 am Seattle Seattle-Tacoma Intl	1:40 pm Phoenix Sky Harbor Intl	2h 55m	Southwest Airlines	WN1735
from $103 Find flight	2:30 pm Seattle Seattle-Tacoma Intl	5:20 pm Phoenix Sky Harbor Intl	2h 50m	Southwest Airlines	WN403
from $103 Find flight	5:25 pm Seattle Seattle-Tacoma Intl	8:15 pm Phoenix Sky Harbor Intl	2h 50m	Southwest Airlines	WN1301

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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 Seattle to Phoenix

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
10:45 am — 1:40 pm	10:45 am — 1:40 pm WN1735 Southwest Airlines Seattle — Phoenix	2h 55m	Find flight from$103
2:30 pm — 5:20 pm	2:30 pm — 5:20 pm WN403 Southwest Airlines Seattle — Phoenix	2h 50m	Find flight from$103
5:25 pm — 8:15 pm	5:25 pm — 8:15 pm WN1301 Southwest Airlines Seattle — Phoenix	2h 50m	Find flight from$103
6:45 am — 9:40 am	6:45 am — 9:40 am WN2187 Southwest Airlines Seattle — Phoenix	2h 55m	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 Seattle to Phoenix every week with departures from Seattle-Tacoma Intl, Boeing Field International Airport, Kenmore Air Harbor SPB. All flights arrive at Sky Harbor Intl, Phoenix-Deer Valley, Luke AFB, Scottsdale Municipal, Williams Gateway.

Departures start from 10:45 am to 6:45 am. Nonstop flight is 2h 50m. The time difference between Seattle and Phoenix is 1h.

The fastest flight 2h 50m
Average flight time 2h 53m
The earliest flight 10:45 am
The latest flight 6:45 am
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 WN2187 flight for October 3, 2018 leaving Seattle-Tacoma Intl in Seattle at 6:45 am, 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 Seattle to Phoenix:

Other Popular Airlines on the Route

Besides Southwest Airlines there are other 7 airline carriers between Seattle and Phoenix. Please review schedules and prices from the most popular airlines to find the best airfare deals from Seattle to Phoenix.

Nonstop flights

There are 23 direct flights every day from Seattle. 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):

AS - Alaska Airlines

from $116

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F9 - Frontier Airlines

from $67

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SY - Sun Country Airlines

from $165

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Y4 - Volaris

from $448

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UA - United Airlines

from $182

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WS - WestJet

from $283

Find
NK - Spirit Airlines

from $79

Find

See more connecting flights

How to book an air ticket yourself?

Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
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Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
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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