$44 Cheap Flights from Phoenix (PHX) to Seattle (SEA)

View $44 flight on Tue, May 20, 2025Opens in a new window

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

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Find available prices by choosing your travel dates.

Cheap Flights from Phoenix to Seattle (PHX-SEA)

Prices were available within the past 7 days and start at $44 for one-way flights and $88 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sat, May 10 - Tue, May 20
PHX
Phoenix
SEA
Seattle
$88 Roundtrip, just found
$88
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, May 10 from Phoenix to Seattle, returning Tue, May 20, priced at $88 just found
Frontier Airlines
Sat, May 17 - Sat, May 24
PHX
Phoenix
SEA
Seattle
$93 Roundtrip, found 2 hours ago
$93
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sat, May 17 from Phoenix to Seattle, returning Sat, May 24, priced at $93 found 2 hours ago
Frontier Airlines
Sat, Jul 19 - Wed, Jul 23
PHX
Phoenix
SEA
Seattle
$98 Roundtrip, just found
$98
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Jul 19 from Phoenix to Seattle, returning Wed, Jul 23, priced at $98 just found
Frontier Airlines
Sat, May 17 - Sun, May 18
PHX
Phoenix
SEA
Seattle
$103 Roundtrip, just found
$103
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, May 17 from Phoenix to Seattle, returning Sun, May 18, priced at $103 just found
Frontier Airlines
Wed, Jun 4 - Sun, Jun 8
PHX
Phoenix
SEA
Seattle
$108 Roundtrip, just found
$108
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Jun 4 from Phoenix to Seattle, returning Sun, Jun 8, priced at $108 just found
Spirit Airlines
Thu, May 8 - Sat, May 10
PHX
Phoenix
SEA
Seattle
$110 Roundtrip, just found
$110
Roundtrip
just found
Select Spirit Airlines flight, departing Thu, May 8 from Phoenix to Seattle, returning Sat, May 10, priced at $110 just found
Spirit Airlines
Thu, May 22 - Tue, May 27
PHX
Phoenix
SEA
Seattle
$111 Roundtrip, just found
$111
Roundtrip
just found
Select Spirit Airlines flight, departing Thu, May 22 from Phoenix to Seattle, returning Tue, May 27, priced at $111 just found
American Airlines
Tue, Jun 10 - Wed, Jun 18
PHX
Phoenix
SEA
Seattle
$131 Roundtrip, found 6 hours ago
$131
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Tue, Jun 10 from Phoenix to Seattle, returning Wed, Jun 18, priced at $131 found 6 hours ago
Southwest Airlines
Mon, Jun 23 - Tue, Jun 24
PHX
Phoenix
SEA
Seattle
$157 Roundtrip, found 8 hours ago
$157
Roundtrip
found 8 hours ago
Select Southwest Airlines flight, departing Mon, Jun 23 from Phoenix to Seattle, returning Tue, Jun 24, priced at $157 found 8 hours ago
Hawaiian Airlines
Tue, Sep 9 - Tue, Sep 16
PHX
Phoenix
PAE
Seattle
$159 Roundtrip, just found
$159
Roundtrip
just found
Select Hawaiian Airlines flight, departing Tue, Sep 9 from Phoenix to Seattle, returning Tue, Sep 16, priced at $159 just found

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 $93. 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 Frontier Airlines flight leaving PHX on May 20 2025 and touching down at SEA. The price was last updated on April 24 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 Frontier Airlines. This airline currently offers the cheapest one-way ticket on this route, starting from $49. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from PHX on July 19 2025. Prices were last updated on April 24 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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