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

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

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in

Find the cheapest month to fly from Phoenix (PHX) to Seattle (SEA)

January is typically the cheapest month to fly

From CA $65 - CA $303 per traveller.

Graph displaying average flight prices per month

Flight from Phoenix to Seattle (PHX - SEA) route information
Origin airport
Sky Harbor Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
CA $205
Distance
1770 km
Average flight time
3 hours 1 min

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 airlines that cover this route. There are American Airlines, Condor, Qatar Airways, KLM, Icelandair, 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 rising to .  

Here are more money-saving tips: 

  • Fly in 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.

Frequently asked questions

How much is a flight from Phoenix Sky Harbour Intl. Airport to SEA?
Pack your bags, because round-trip journeys between Phoenix Sky Harbour Intl. Airport and SEA start from . That's based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can rise quickly, so book today to secure the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Phoenix Sky Harbour Intl. Airport to Sea-Tac Airport?
Most flights can be cancelled online, but every air carrier has a different set of terms and conditions. If you do decide to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from PHX to Sea-Tac Airport that have flexible change policies?
Use our "No change fees" filter to find flexible travel options for your flight from PHX to Sea-Tac Airport. This allows you to lock in a great price ahead of time and still have the freedom to make changes without any extra fees. Just keep in mind that fare differences may still apply.
How many hours is the flight from Phoenix Sky Harbour Intl. Airport to SEA?
The flight time from PHX to SEA is about 3 hours and 17 minutes. Put your headphones on, listen to your favourite tunes and the hours in the air will whiz by.
How far is the flight from Sky Harbour Intl. Airport (PHX) to SEA?
Expect to be soaring through the sky for a while, as the flight distance from Phoenix to SeaTac is 1,800 kilometres. Set up a playlist of your favourite songs before you leave home to stay entertained during your journey.
Which airlines fly direct from PHX to Sea-Tac Airport?
Whether you need a one-way or return flight, you'll have your choice of airlines that will take you straight from Phoenix Sky Harbour Intl. Airport to Sea-Tac Airport. Here are some of the most popular ones:

  • Alaska Airlines - (AS) with 265 monthly flights
  • Delta - (DL) with 139 monthly flights
  • American Airlines - (AA) with 108 monthly flights
  • Southwest Airlines - (WN) with 60 monthly flights

Are Sky Harbour Intl. Airport (PHX) to Sea-Tac Airport flight tickets cheaper when they're purchased at the last minute?
Booking your trip from PHX to Seattle - Tacoma Intl. Airport (SEA) last minute could save you some cash. However, it could end up costing you a whole lot more! If you'd prefer to err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to 12 months in advance. If your preferred air carrier hasn't released tickets yet, check back regularly as deals are updated on Expedia all the time.

Explore a world of travel with Expedia

Seattle nearby Airports

Seattle Paine Field Intl. Airport

Phoenix to Seattle Paine Field Intl. Airport
CA $226.50
*Available to Expedia members.