Cheap Flights from Phoenix to Seattle
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
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Flights from Phoenix to Seattle
Cheapest airlines flights from Phoenix to Seattle
Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Find cheap flights from Phoenix to Seattle
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
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Round-trip
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One way
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Cheapest nonstop
PHX 06:433h 16mNonstopSEA 09:59Phoenix - Seattle | Wed, Jun 4 | Frontier Airlines
SEA 12:183hNonstopPHX 15:18Seattle - Phoenix | Wed, Jun 11 | Frontier AirlinesUS$72 US$44684% OFF84% OFFUS$446 US$72 -
PHX 08:173h 14mNonstopSEA 11:31Phoenix - Seattle | Wed, Jul 23 | Frontier Airlines
SEA 12:183h 4mNonstopPHX 15:22Seattle - Phoenix | Wed, Jul 30 | Frontier AirlinesUS$79 US$44682% OFF82% OFFUS$446 US$79
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PHX 06:483h 14mNonstopSEA 10:02Phoenix - Seattle | Mon, Jul 14 | Frontier Airlines
SEA 12:183h 4mNonstopPHX 15:22Seattle - Phoenix | Wed, Jul 16 | Frontier AirlinesUS$86 US$44681% OFF81% OFFUS$446 US$86
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PHX 06:483h 14mNonstopSEA 10:02Phoenix - Seattle | Mon, Jul 21 | Frontier Airlines
SEA 12:183h 4mNonstopPHX 15:22Seattle - Phoenix | Wed, Jul 23 | Frontier AirlinesUS$8880% OFFUS$446 US$88
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PHX 20:493h 10mNonstopSEA 23:59Phoenix - Seattle | Wed, Jun 4 | Alaska Airlines
SEA 12:183hNonstopPHX 15:18Seattle - Phoenix | Wed, Jun 11 | Frontier AirlinesUS$9479% OFFUS$446 US$94 -
PHX 13:553h 5mNonstopSEA 17:00Phoenix - Seattle | Wed, Jul 23 | Alaska Airlines
SEA 12:183h 4mNonstopPHX 15:22Seattle - Phoenix | Wed, Jul 30 | Frontier AirlinesUS$9878% OFFUS$446 US$98
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PHX 08:153h 14mNonstopSEA 11:29Phoenix - Seattle | Wed, Jun 11 | Frontier Airlines
SEA 12:183hNonstopPHX 15:18Seattle - Phoenix | Wed, Jun 18 | Frontier AirlinesUS$23348% OFFUS$446 US$233
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PHX 06:433h 16mNonstopSEA 09:59Phoenix - Seattle | Sat, Jun 7 | Frontier Airlines
SEA 12:183hNonstopPHX 15:18Seattle - Phoenix | Wed, Jun 11 | Frontier AirlinesUS$25443% OFFUS$446 US$254
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PHX 17:243h 11mNonstopSEA 20:35Phoenix - Seattle | Sat, Jun 7 | Hawaiian Airlines
SEA 12:183hNonstopPHX 15:18Seattle - Phoenix | Wed, Jun 11 | Frontier AirlinesUS$36219% OFFUS$446 US$362 -
PHX 20:493h 10mNonstopSEA 23:59Phoenix - Seattle | Sat, Jun 7 | Alaska Airlines
SEA 12:183hNonstopPHX 15:18Seattle - Phoenix | Wed, Jun 11 | Frontier AirlinesUS$4157% OFFUS$446 US$415
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PHX 13:0017h 25m1 stopsSEA Invalid DatePhoenix - Seattle | Fri, Jun 6 | Normal Airline
SEA 15:006hNonstopPHX 16:00Seattle - Phoenix | Sun, Jun 8 | Normal AirlineFind More FlightsFind More Flights
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Cheapest nonstop
PHX 06:483h 14mNonstopSEA 10:02Phoenix - Seattle | Sat, Jul 26 | Frontier AirlinesUS$46 US$21679% OFF79% OFFUS$216 US$46
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PHX 08:173h 14mNonstopSEA 11:31Phoenix - Seattle | Wed, Jul 23 | Frontier AirlinesUS$46 US$21679% OFF79% OFFUS$216 US$46
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PHX 06:483h 14mNonstopSEA 10:02Phoenix - Seattle | Sat, Jul 12 | Frontier AirlinesUS$73 US$21666% OFF66% OFFUS$216 US$73
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PHX 08:173h 14mNonstopSEA 11:31Phoenix - Seattle | Wed, Jul 16 | Frontier AirlinesUS$7466% OFFUS$216 US$74
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PHX 06:483h 14mNonstopSEA 10:02Phoenix - Seattle | Sat, Jul 19 | Frontier AirlinesUS$7665% OFFUS$216 US$76
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PHX 06:483h 16mNonstopSEA 10:04Phoenix - Seattle | Sat, Jun 21 | Frontier AirlinesUS$9157% OFFUS$216 US$91
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PHX 14:023h 11mNonstopSEA 17:13Phoenix - Seattle | Thu, Jun 19 | Frontier AirlinesUS$9556% OFFUS$216 US$95
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PHX 08:153h 14mNonstopSEA 11:29Phoenix - Seattle | Wed, Jun 11 | Frontier AirlinesUS$11647% OFFUS$216 US$116
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PHX 06:433h 16mNonstopSEA 09:59Phoenix - Seattle | Sat, Jun 7 | Frontier AirlinesUS$16524% OFFUS$216 US$165
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PHX 06:433h 16mNonstopSEA 09:59Phoenix - Seattle | Wed, Jun 4 | Frontier AirlinesUS$2017% OFFUS$216 US$201
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PHX 13:0017h 25m1 stopsSEA Invalid DatePhoenix - Seattle | Fri, Jun 6 | 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.
Phoenix to Seattle Flight Information
| Cheapest one-way flight price | $45 |
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| Cheapest round-trip ticket price | $71 |
| Off-season for travel | March |
| Peak season for travel | June |
| Flight distance | 1,780.78 km |
| Average flight time | 3 hours 4 minutes |
| Popular airline | Alaska Airlines |
When is the cheapest time to book flights from Phoenix to Seattle?
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Frequently Asked Questions
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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 departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much do flights from Phoenix (PHX) to Seattle (SEA) cost?
According to Trip.com's data, the lowest price is around $230. -
How long does it take to fly from Phoenix (PHX) to Seattle (SEA) and what is the distance?
It takes around 3 hours 4 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): American Airlines, Air Tahiti Nui, Qatar Airways, Southwest Airlines, Frontier Airlines, Icelandair, Alaska Airlines and Hawaiian Airlines.
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.
Being flexible with your dates to get the cheapest Phoenix to Seattle ticket.
Tap "Date" on flight search bar to scan through the calender for Phoenix to Seattle airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Sat, Jul 26 at US$46 for one-way flights.
Compare cheap Phoenix to Seattle flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from Phoenix to Seattle. The cheapest airline operating is Frontier Airlines.
Set up a Price Alert
By setting up a Price Alert for your Phoenix to Seattle route, you can easily track the price of your airline tickets from Phoenix to Seattle without manually checking every day.
Don't miss cheap Phoenix to Seattle flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights for cheap flights. If registering a free membership, you can receive more deals for your flights.
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com free app and search for cheap flight tickets from Phoenix to Seattle to get exclusive deals for you.
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