
Popular airlines from Sky Harbor International Airport (PHX) to Seattle-Tacoma International Airport (SEA)
- Alaska Airlines
Alaska Airlines
- Frontier Airlines
Frontier Airlines
- Delta
Delta
- American Airlines
American Airlines
- United
United
- Southwest Airlines
Southwest Airlines
- Sun Country Airlines
Sun Country Airlines
- Plan, book, fly with confidence
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Cheap flights from Phoenix (PHX) to Seattle (SEA)
Prices were available within the past 7 days and start at CA $110 for one-way flights and CA $149 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.








Find the cheapest month to fly from Phoenix (PHX) to Seattle (SEA)
January is typically the cheapest month to fly
Graph displaying average flight prices per month
Origin airport | Sky Harbor Intl. |
Destination airport | Seattle - Tacoma Intl. |
Airlines serving | Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United |
Roundtrip price | CA $149 |
Distance | 1770 km |
Average flight time | 3 hours 3 mins |
Phoenix to Seattle Flights
The easy way to book your flights from Phoenix to Seattle
With Expedia, it’s simple to find and book flights to Seattle from Phoenix whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are American Airlines, Condor, KLM, Qatar Airways, Icelandair, Air France, Delta Air Lines, Alaska Airlines, Frontier Airlines, Southwest Airlines, Finnair, Hawaiian Airlines, Korean Air, Air Tahiti Nui, WestJet, Virgin Atlantic nonstop flights to Seattle - Tacoma Intl., too.
Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Phoenix to Seattle today, tomorrow, or this week.
Save dollars with cheap flights from Sky Harbor Intl., PHX to Seattle - Tacoma Intl., SEA
Sort your search results by price to find great deals on your flight from Phoenix to Seattle—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Seattle from Phoenix currently is just CA $149 rising to CA $456.
Here are more money-saving tips:
- Fly in September when flight prices are normally at their lowest
- Book about a month to 6 weeks before you travel for the best prices to Seattle
- Avoid peak season and weekends when flights can cost more
- Early morning and late-night flights are sometimes cheaper, so try varying your travel times
- One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!
Reasons to choose Expedia for your flight to Seattle from Phoenix
Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Seattle with Expedia today.
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Top Routes from Phoenix
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Top Routes to Seattle
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Seattle Paine Field Intl. Airport
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