Cheap Flights from Phoenix to Seattle
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Flights from Phoenix to Seattle
Airlines Flying from Phoenix to Seattle
Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Flight deals from Phoenix to Seattle
We've found these cheap flights for you. You can book one-way or return flight tickets.
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Round-trip
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One way
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Cheapest nonstop
PHX 06:433h 16mDirectSEA 09:59Phoenix - Seattle | Wed, Jun 4 | Frontier Airlines
SEA 12:183hDirectPHX 15:18Seattle - Phoenix | Wed, Jun 11 | Frontier Airlines£54 £20574% OFF74% OFF£205 £54 -
PHX 06:433h 16mDirectSEA 09:59Phoenix - Seattle | Sat, May 31 | Frontier Airlines
SEA 12:183hDirectPHX 15:18Seattle - Phoenix | Thu, Jun 5 | Frontier Airlines£60 £20571% OFF71% OFF£205 £60
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PHX 06:433h 16mDirectSEA 09:59Phoenix - Seattle | Thu, May 29 | Frontier Airlines
SEA 12:183hDirectPHX 15:18Seattle - Phoenix | Mon, Jun 2 | Frontier Airlines£62 £20570% OFF70% OFF£205 £62
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PHX 06:483h 14mDirectSEA 10:02Phoenix - Seattle | Mon, Jul 14 | Frontier Airlines
SEA 12:183h 4mDirectPHX 15:22Seattle - Phoenix | Wed, Jul 16 | Frontier Airlines£6469% OFF£205 £64
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PHX 06:433h 16mDirectSEA 09:59Phoenix - Seattle | Tue, May 27 | Frontier Airlines
SEA 12:183hDirectPHX 15:18Seattle - Phoenix | Wed, Jun 4 | Frontier Airlines£6469% OFF£205 £64
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PHX 06:483h 14mDirectSEA 10:02Phoenix - Seattle | Mon, Jul 21 | Frontier Airlines
SEA 12:183h 4mDirectPHX 15:22Seattle - Phoenix | Wed, Jul 23 | Frontier Airlines£6568% OFF£205 £65
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PHX 06:433h 16mDirectSEA 09:59Phoenix - Seattle | Tue, Jun 10 | Frontier Airlines
SEA 12:183hDirectPHX 15:18Seattle - Phoenix | Wed, Jun 11 | Frontier Airlines£6767% OFF£205 £67
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PHX 06:433h 16mDirectSEA 09:59Phoenix - Seattle | Sat, Jun 7 | Frontier Airlines
SEA 12:183hDirectPHX 15:18Seattle - Phoenix | Wed, Jun 11 | Frontier Airlines£10549% OFF£205 £105
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PHX 08:153h 14mDirectSEA 11:29Phoenix - Seattle | Wed, Jun 11 | Frontier Airlines
SEA 12:183hDirectPHX 15:18Seattle - Phoenix | Wed, Jun 18 | Frontier Airlines£13634% OFF£205 £136
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PHX 06:433h 16mDirectSEA 09:59Phoenix - Seattle | Wed, May 28 | Frontier Airlines
SEA 12:313h 2mDirectPHX 15:33Seattle - Phoenix | Sat, May 31 | Frontier Airlines£15027% OFF£205 £150
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PHX 13:0017h 25m1 stopsSEA Invalid DatePhoenix - Seattle | Sun, May 25 | Normal Airline
SEA 15:006hDirectPHX 16:00Seattle - Phoenix | Tue, May 27 | Normal AirlineFind More FlightsFind More Flights
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Cheapest nonstop
PHX 08:173h 14mDirectSEA 11:31Phoenix - Seattle | Wed, Jun 25 | Frontier Airlines£31 £17883% OFF83% OFF£178 £31
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PHX 06:433h 16mDirectSEA 09:59Phoenix - Seattle | Sat, Jun 7 | Frontier Airlines£34 £17881% OFF81% OFF£178 £34
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PHX 06:483h 16mDirectSEA 10:04Phoenix - Seattle | Sat, Jun 21 | Frontier Airlines£42 £17876% OFF76% OFF£178 £42
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PHX 08:153h 14mDirectSEA 11:29Phoenix - Seattle | Wed, Jun 11 | Frontier Airlines£4376% OFF£178 £43
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PHX 06:483h 14mDirectSEA 10:02Phoenix - Seattle | Sat, Jul 19 | Frontier Airlines£4376% OFF£178 £43
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PHX 14:023h 11mDirectSEA 17:13Phoenix - Seattle | Thu, Jun 19 | Frontier Airlines£5072% OFF£178 £50
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PHX 06:433h 16mDirectSEA 09:59Phoenix - Seattle | Sat, May 31 | Frontier Airlines£5172% OFF£178 £51
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PHX 08:173h 14mDirectSEA 11:31Phoenix - Seattle | Wed, Jul 16 | Frontier Airlines£5371% OFF£178 £53
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PHX 06:433h 16mDirectSEA 09:59Phoenix - Seattle | Wed, Jun 4 | Frontier Airlines£6563% OFF£178 £65
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PHX 06:433h 16mDirectSEA 09:59Phoenix - Seattle | Wed, May 28 | Frontier Airlines£13027% OFF£178 £130
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PHX 13:0017h 25m1 stopsSEA Invalid DatePhoenix - Seattle | Sun, May 25 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Flight Information from Phoenix to Seattle
| Cheapest one-way flight price | £30 |
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| Cheapest return ticket price | £53 |
| Off-season travel month | March |
| Peak season for travel | February |
| Flight distance | 1,780.78km |
| Average flight time | 3 hours 5 minutes |
| Popular airline | Alaska Airlines |
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
FAQ
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When are flight tickets from Phoenix (PHX) to Seattle (SEA) the cheapest?
Airlines adjust prices for flights from Phoenix to Seattle based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much are flights from Phoenix (PHX) to Seattle (SEA) cost?
According to Trip.com's data, the lowest price is around £171. -
How long is the flight from Phoenix (PHX) to Seattle (SEA)?
It takes about 3 hours 5 minutes to fly from Phoenix (PHX) to Seattle (SEA). -
What are the most popular airlines that fly from Phoenix (PHX) to Seattle (SEA)?
Airlines with flights from Phoenix (PHX) to Seattle (SEA): Alaska Airlines, Air Tahiti Nui, American Airlines, Qatar Airways, Frontier Airlines, Icelandair and Hawaiian Airlines. -
How many airports in Seattle (SEA)?
There are 3 airport(s) in Seattle (SEA): King County (Boeing Field) International Airport, Lake Union Sea Plane Base and Seattle–Tacoma International Airport.
How to find a cheap flight from Phoenix to Seattle
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Phoenix to Seattle. Book your flights at the right time and save more.
Be flexible with your travel dates to get the cheapest flight from Phoenix to Seattle.
Simply tap "Date" on the flight search bar to browse through the calendar and check out airfare from Phoenix to Seattle over the next 6 months in 2025. If you're planning to fly within the next three months, it looks like the most affordable option is on Wed, Jun 25, with one-way flights priced at just £31.
Compare cheap flight deals from Phoenix to Seattle across hundreds of airlines.
With our extensive search, you can compare prices from over 500 airlines to find the cheapest flight tickets from Phoenix to Seattle. The cheapest airline for this route is Frontier Airlines.
Set up a Price Alert
By setting up a Price Alert for your journey from Phoenix to Seattle, you can easily keep an eye on ticket prices without having to check every day.
Don't miss out on cheap flight deals and promo codes from Phoenix to Seattle.
You can always find the latest offers through Trip.com Deals and Promo Codes for cheap flights. By signing up for a free membership, you'll get access to even more deals for your flights.
Book early or wait until the last minute.
It's usually best to book early. Flight tickets are often cheapest when they're first released, typically about a year before the departure date. So, have a look online as soon as the flights you're interested in become available. If you miss the cheapest time, you might still find some good deals as the departure date gets closer.
Search for flights on the go.
For the best travel flight booking experience, download the Trip.com app. You can search for cheap flights from Phoenix to Seattle and snag some exclusive deals just for you.
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