$80 Cheap Flights from Phoenix (PHX) to Seattle (SEA)

View $80 flight on Tue, Aug 19, 2025Opens in a new window

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Phoenix to Seattle (PHX-SEA)

Prices were available within the past 7 days and start at $80 for one-way flights and $92 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, Aug 13 - Wed, Aug 13
PHX
Phoenix
SEA
Seattle
$92 Roundtrip, found 5 days ago
$92
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Aug 13 from Phoenix to Seattle, returning Wed, Aug 13, priced at $92 found 5 days ago
Delta
Sat, Sep 6 - Sat, Sep 6
PHX
Phoenix
SEA
Seattle
$92 Roundtrip, found 2 days ago
$92
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Sep 6 from Phoenix to Seattle, returning Sat, Sep 6, priced at $92 found 2 days ago
Alaska Airlines
Tue, Aug 12 - Tue, Aug 12
PHX
Phoenix
SEA
Seattle
$104 Roundtrip, found 2 days ago
$104
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, Aug 12 from Phoenix to Seattle, returning Tue, Aug 12, priced at $104 found 2 days ago
Hawaiian Airlines
Fri, Oct 3 - Mon, Oct 20
PHX
Phoenix
PAE
Seattle
$107 Roundtrip, found 2 days ago
$107
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Fri, Oct 3 from Phoenix to Seattle, returning Mon, Oct 20, priced at $107 found 2 days ago
Bargain Flight
Sat, Nov 1 - Wed, Nov 5
PHX
Phoenix
PAE
Seattle
$128 Roundtrip, found 4 days ago
$128
Roundtrip
found 4 days ago
Select Bargain Flight flight, departing Sat, Nov 1 from Phoenix to Seattle, returning Wed, Nov 5, priced at $128 found 4 days ago
Alaska Airlines
Tue, Aug 12 - Tue, Aug 12
PHX
Phoenix
PAE
Seattle
$129 Roundtrip, found 2 days ago
$129
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, Aug 12 from Phoenix to Seattle, returning Tue, Aug 12, priced at $129 found 2 days ago
Hawaiian Airlines
Fri, Oct 3 - Sat, Oct 25
PHX
Phoenix
PAE
Seattle
$134 Roundtrip, found 2 days ago
$134
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Fri, Oct 3 from Phoenix to Seattle, returning Sat, Oct 25, priced at $134 found 2 days ago
Frontier Airlines
Fri, Aug 1 - Sun, Aug 31
PHX
Phoenix
SEA
Seattle
$134 Roundtrip, found 1 day ago
$134
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Aug 1 from Phoenix to Seattle, returning Sun, Aug 31, priced at $134 found 1 day ago
Hawaiian Airlines
Sun, Oct 12 - Mon, Oct 20
PHX
Phoenix
PAE
Seattle
$146 Roundtrip, found 3 days ago
$146
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Sun, Oct 12 from Phoenix to Seattle, returning Mon, Oct 20, priced at $146 found 3 days ago
Alaska Airlines
Sat, Oct 4 - Sat, Oct 25
PHX
Phoenix
PAE
Seattle
$149 Roundtrip, found 2 days ago
$149
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Oct 4 from Phoenix to Seattle, returning Sat, Oct 25, priced at $149 found 2 days ago

Find the cheapest month to fly from Phoenix (PHX) to Seattle (SEA)

January is typically the cheapest month to fly

From $48 - $232 per traveler.

Graph displaying average flight prices per month

0
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, Southwest Airlines, Sun Country Airlines, United
Roundtrip price
$91
Distance
1106 mi

Phoenix to Seattle Flights

The cheapest times to fly from Phoenix to Seattle

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Phoenix to Seattle are during the month of August. You can find some of the cheapest flights from Phoenix to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Phoenix to Seattle

Sunday is one of the best days to book for cheap flights from Phoenix to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Phoenix to Seattle

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Phoenix to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $80 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Phoenix to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Phoenix to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Sky Harbor Intl. Airport (PHX) to Seattle - Tacoma Intl. Airport (SEA) cost?
Cheap return flights from Sky Harbor Intl. Airport (PHX) to Seattle - Tacoma Intl. Airport (SEA) start from $92. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Alaska Airlines flight leaving PHX on August 5 2025 and touching down at SEA. The price was last updated on July 10 2025 and has not changed since.
What is the cheapest month to fly from PHX to SEA?
The cheapest flights from PHX to SEA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Sky Harbor Intl. Airport (PHX) to Seattle - Tacoma Intl. Airport (SEA)?
You can catch a nonstop flight from Sky Harbor Intl. Airport (PHX) to Seattle - Tacoma Intl. Airport (SEA) with 5 airlines, including:

  • Alaska Airlines
  • Delta Air Lines
  • American Airlines
  • Southwest Airlines
  • Frontier Airlines

What is the cheapest airline that flies from PHX to SEA?
Take off from PHX to SEA with Southwest Airlines. This airline currently offers the cheapest one-way ticket on this route, starting from $48. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from PHX on October 1 2025. Prices were last updated on July 10 2025 and have not changed since.
How many flights per day from Sky Harbor Intl. Airport (PHX) to Seattle - Tacoma Intl. Airport (SEA)?
Daily, an average of 19 nonstop flights take off from Sky Harbor Intl. Airport (PHX) to Seattle - Tacoma Intl. Airport (SEA). Choose the departure date that best fits your itinerary.
What are the most popular departure times for flights from Sky Harbor Intl. Airport (PHX) to Seattle - Tacoma Intl. Airport (SEA)?
More passengers fly between PHX and SEA at 5 PM than at any other point in the day. Rather go when it's quieter? Consider flying outside peak hours and it's possible you'll save on your fare as well.
What day of the week has the most flights from PHX to SEA?
If you jet off on a Friday, you'll get the largest range of options for flights from Sky Harbor Intl. Airport (PHX) to Seattle - Tacoma Intl. Airport (SEA).
What is the earliest flight from Sky Harbor Intl. Airport (PHX) to Seattle - Tacoma Intl. Airport (SEA)?
Sky Harbor Intl. Airport (PHX)'s first flight to Seattle - Tacoma Intl. Airport (SEA) takes off at approximately 6:00AM UTC-7. With a total flight time of 3h 21m, you'll land at around 8:21AM UTC-8.
How long does it take to fly from Sky Harbor Intl. Airport (PHX) to Seattle - Tacoma Intl. Airport (SEA)?
It takes around 3 hours and 17 minutes to fly the 1,100 mi from PHX to SEA.
What airline has the least delays from PHX to SEA?
Consider traveling with United Airlines if you'd like to go straight from Sky Harbor Intl. Airport (PHX) to Seattle - Tacoma Intl. Airport (SEA) without any interruptions. This airline has the strongest track record for punctuality, with an on-time score of 100%. Want to get notified of any changes? You can check your flight status using the Expedia App.
What is the best time to fly from Sky Harbor Intl. Airport (PHX) to Seattle - Tacoma Intl. Airport (SEA)?
To touch down at Seattle - Tacoma Intl. Airport (SEA) on schedule, select a flight that leaves from Sky Harbor Intl. Airport (PHX) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Seattle from Sky Harbor Intl. Airport (PHX)?
Take a direct flight from Sky Harbor Intl. Airport (PHX) to Seattle and arrive at Seattle - Tacoma Intl. Airport (SEA). An alternative arrival point to the city is Snohomish County - Paine Field Airport (PAE).
Is it cheaper to buy a plane ticket from Sky Harbor Intl. Airport (PHX) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Last-minute bookings from PHX to SEA are typically more expensive. To lock in the cheapest rates, start looking for flights well ahead of time. That being said, if your travel plans are flexible, you may score a cheap fare right before your trip.
Is it cheaper to book a PHX to SEA flight and hotel package?
Compared with arranging hotels and flights separately, booking a PHX to SEA flight and hotel package with Expedia could result in significant savings. Better yet, having it all in one place will take the stress out of travel planning. Just secure your flights and select from our extensive range of hotels, then personalize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Sky Harbor Intl. Airport (PHX) to Seattle - Tacoma Intl. Airport (SEA)?
It's generally possible to reschedule or cancel your PHX to SEA flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

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