Cheap flights from Seattle to Phoenix Sky Harbor Intl Airport from £55
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Phoenix Sky Harbor Intl are usually found in September or January, booked 71 days in advance, depart on a Tuesday or Monday and return on a Wednesday
Cheap flight deals from Seattle to Sky Harbor Intl
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Sky Harbor Intl (PHX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 September 2025.
Round-trip from | £76 |
---|---|
One-way from | £55 |
Popular in | December |
Cheapest in | September |
Average price | £120 |
Find flight deals from Seattle to Sky Harbor Intl
Cheapest flights from Seattle to Sky Harbor IntlExplore the most affordable flight options available from Seattle to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2025.
Explore the most affordable flight options available from Seattle to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 September 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Seattle to Phoenix Sky Harbor Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Tue 30/9
15:30-18:26
Nonstop2h 56m
Phoenix Sky Harbor Intl
Tue 7/10
13:45-16:56
Nonstop3h 11m
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Wed 12/11
05:15-09:00
Nonstop2h 45m
Phoenix Sky Harbor Intl
Wed 19/11
08:10-11:55
1 stop4h 45m
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Wed 22/10
07:10-10:00
Nonstop2h 50m
Phoenix Sky Harbor Intl
Wed 5/11
13:50-18:20
1 stop5h 30m
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Sat 15/11
06:00-09:50
Nonstop2h 50m
Phoenix Sky Harbor Intl
Wed 19/11
08:10-11:55
1 stop4h 45m
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Mon 3/11
15:20-19:08
Nonstop2h 48m
Phoenix Sky Harbor Intl
Tue 11/11
19:56-22:16
Nonstop3h 20m
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Sat 8/11
19:30-23:21
Nonstop2h 51m
Phoenix Sky Harbor Intl
Wed 12/11
08:00-10:20
Nonstop3h 20m
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Sat 15/11
15:18-19:04
Nonstop2h 46m
Phoenix Sky Harbor Intl
Tue 2/12
19:55-22:15
Nonstop3h 20m
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Tue 2/12
11:45-15:42
Nonstop2h 57m
Phoenix Sky Harbor Intl
Sat 13/12
19:55-22:14
Nonstop3h 19m
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Mon 3/11
19:30-23:21
Nonstop2h 51m
Phoenix Sky Harbor Intl
Wed 12/11
16:41-18:57
Nonstop3h 16m
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Fri 6/2
17:15-21:11
Nonstop2h 56m
Best time to book a flight from Seattle to Sky Harbor Intl
Have a flexible travel schedule? Discover the best time to fly to Sky Harbor Intl from Seattle with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Phoenix Sky Harbor Intl Airport
How far ahead should I book a flight from Seattle to Phoenix Sky Harbor Intl Airport?
To ensure you get the cheapest price possible for a flight from Seattle to Phoenix Sky Harbor Intl Airport, you should look to book at least 71 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Seattle to Phoenix Sky Harbor Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Seattle to Phoenix Sky Harbor Intl Airport (average of £729). Flying from Seattle to Phoenix Sky Harbor Intl Airport in July is currently the most expensive (average of £1,041). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SEA to PHX?
When flying from Seattle to Phoenix Sky Harbor Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Related info for your journey
Find useful and relevant information for your journey from Seattle to Sky Harbor Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near Phoenix Sky Harbor Intl Airport?
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Alternative routes for Seattle to Sky Harbor Intl
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How does Cheapflights help users find flights from Seattle to Sky Harbor Intl?
When you search for this flight from Seattle to Sky Harbor Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Seattle to Sky Harbor Intl?
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Can Cheapflights find flights from Seattle to Sky Harbor Intl with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Seattle to Sky Harbor Intl flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Seattle to Sky Harbor Intl become cheaper?
Of course! You can now track prices for flights from Seattle to Sky Harbor Intl and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.