Cheap Flights From Sky Harbor Intl. (PHX) To Seattle - Tacoma Intl. (SEA)

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Cheapest Flights from Phoenix (PHX) to Seattle (SEA)

The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were CA $217 round trip and CA $107 one way. Prices and availability subject to change. Additional terms may apply.

Tue, Aug. 19 - Sat, Aug. 23
PHX
Phoenix
SEA
Seattle
CA $217 Roundtrip, found 5 days ago
CA $217
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Aug. 19 from Phoenix to Seattle, returning Sat, Aug. 23, priced at CA $217 found 5 days ago
Wed, Oct. 1 - Sun, Oct. 5
PHX
Phoenix
SEA
Seattle
CA $223 Roundtrip, found 5 days ago
CA $223
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Oct. 1 from Phoenix to Seattle, returning Sun, Oct. 5, priced at CA $223 found 5 days ago
Wed, Aug. 27 - Thu, Aug. 28
PHX
Phoenix
SEA
Seattle
CA $224 Roundtrip, found 1 day ago
CA $224
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Aug. 27 from Phoenix to Seattle, returning Thu, Aug. 28, priced at CA $224 found 1 day ago
Tue, Aug. 19 - Sat, Aug. 23
PHX
Phoenix
SEA
Seattle
CA $230 Roundtrip, found 5 days ago
CA $230
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Aug. 19 from Phoenix to Seattle, returning Sat, Aug. 23, priced at CA $230 found 5 days ago
Fri, Sep. 19 - Sun, Sep. 21
PHX
Phoenix
SEA
Seattle
CA $232 Roundtrip, found 8 hours ago
CA $232
Roundtrip
found 8 hours ago
Select Alaska Airlines flight, departing Fri, Sep. 19 from Phoenix to Seattle, returning Sun, Sep. 21, priced at CA $232 found 8 hours ago
Tue, Aug. 19 - Sat, Aug. 23
PHX
Phoenix
PAE
Seattle
CA $232 Roundtrip, found 5 days ago
CA $232
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Aug. 19 from Phoenix to Seattle, returning Sat, Aug. 23, priced at CA $232 found 5 days ago
Thu, Sep. 4 - Sun, Sep. 7
PHX
Phoenix
SEA
Seattle
CA $233 Roundtrip, found 3 days ago
CA $233
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, Sep. 4 from Phoenix to Seattle, returning Sun, Sep. 7, priced at CA $233 found 3 days ago
Wed, Aug. 27 - Thu, Aug. 28
PHX
Phoenix
SEA
Seattle
CA $239 Roundtrip, found 1 day ago
CA $239
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Aug. 27 from Phoenix to Seattle, returning Thu, Aug. 28, priced at CA $239 found 1 day ago
Wed, Oct. 1 - Sun, Oct. 5
PHX
Phoenix
SEA
Seattle
CA $243 Roundtrip, found 5 days ago
CA $243
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Oct. 1 from Phoenix to Seattle, returning Sun, Oct. 5, priced at CA $243 found 5 days ago
Tue, Aug. 19 - Sat, Aug. 23
PHX
Phoenix
PAE
Seattle
CA $245 Roundtrip, found 5 days ago
CA $245
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Aug. 19 from Phoenix to Seattle, returning Sat, Aug. 23, priced at CA $245 found 5 days ago

Frequently asked questions

Are there direct flights from PHX to Seattle - Tacoma Intl. Airport (SEA)?
If you want to travel from PHX to Sea-Tac Airport as quickly as possible, you'll be happy to know multiple airlines operate direct flights. Pick your preferred seat with Alaska Airlines or Southwest Airlines.
What airlines fly from Phoenix Sky Harbor Airport to SEA?
If you'd prefer to fly direct from Sky Harbor Intl. Airport (PHX) to Seattle - Tacoma Intl. Airport (SEA), you're not short on choice. We've listed some of the most in-demand airlines that advertise nonstop services on this route:

  • Alaska Airlines - (AS) with 230 flights every month
  • Southwest Airlines - (WN) with 126 flights every month
  • Delta - (DL) with 121 flights every month
  • American Airlines - (AA) with 91 flights every month

What is the best day to buy a plane ticket?
Airfares offered on Friday tend to be the cheapest, according to flight demand on Travelocity.ca in 2021. Purchasing your airfares on a Thursday or Saturday can also provide better value, however our advice if you're looking to save money is to avoid booking on a Wednesday or Sunday. Our data shows that those two days have the highest ticket values on average, so keep this in mind if you're browsing flight deals.
What are the cheapest days to fly?
Frequent travellers may already know this, but earlier in the week is often the cheapest time to fly. Flights departing on a Monday are the cheapest of the week. Since flights towards the middle of the week tend to be more popular, this causes the prices to rise. This is why, on average, airfares booked on Travelocity.ca in 2021 were most expensive for Wednesday departures.
How far in advance can you book a flight?
Here's the deal: It is typically possible to start comparing international airfares on Travelocity.ca up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2-4 weeks prior to their travel dates.*According to flight demand on Travelocity.ca from January to December 2021. Savings are subject to change and may vary depending on selections made.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.