Cheap Flights from Phoenix Sky Harbor to Seattle / Tacoma International

Compare Phoenix Sky Harbor to Seattle / Tacoma International flight deals

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Flight deals from Phoenix Sky Harbor to Seattle / Tacoma International

Looking for a cheap last-minute deal or the best return flight from Phoenix Sky Harbor to Seattle / Tacoma International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Phoenix Sky Harbor to Seattle / Tacoma International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Phoenix Sky Harbor to Seattle / Tacoma International flights are currently cheapest in November.

Direct flights from Phoenix Sky Harbor to Seattle / Tacoma International

Phoenix Sky Harbor to Seattle / Tacoma International: Alternative routes

Compare routes from Phoenix Sky Harbor to Seattle below. You may find an airport to fly into that's cheaper, faster, or easier than Seattle / Tacoma International.

Phoenix to Seattle: Flight information

The things to know before you go.
Cheapest flight foundRs14,140
Cheapest month to flyNovember
Average flight time3 hrs, 13 mins
Most popular airlineAmerican Airlines
Average flights per week446

Finding cheap flights from Phoenix Sky Harbor to Seattle / Tacoma International: Frequently asked questions

The best price we found for a return flight from Phoenix Sky Harbor to Seattle / Tacoma International is Rs28,281. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 13 minutes is the average flight time from Phoenix Sky Harbor to Seattle / Tacoma International.
American Airlines, Air Tahiti Nui and Qatar Airways fly direct from Phoenix Sky Harbor to Seattle / Tacoma International.
As of September 2025, there are 446 flights per week flying from Phoenix Sky Harbor to Seattle / Tacoma International.
The cheapest month to fly from Phoenix Sky Harbor to Seattle / Tacoma International is usually November.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Phoenix Sky Harbor Airport to Seattle / Tacoma International Airport on Saturday, 1 November 2025.
Yes – the average flight time is 3 hours and 13 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle / Tacoma International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Seattle / Tacoma International.

Travelling from Phoenix Sky Harbour International Airport (PHX) to Seattle-Tacoma International Airport (SEA): what you need to know

  • Jump on a direct flight from Phoenix Sky Harbour International Airport to Seattle-Tacoma International Airport and you'll be travelling for an average of 3 hours 5 minutes.

  • Seattle's timezone is UTC-7, which is the same as Phoenix.

  • Every week, there are 155 Phoenix Sky Harbour International Airport to Seattle-Tacoma International Airport flights. If you prefer to be on board as soon as possible, jump on the 05:00 Alaska Airlines flight. If you'd rather make the most of your day before you fly, the last departure is at 23:01 with American Airlines.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This way, you'll have plenty of time to catch your PHX to SEA flight.

  • Flying during a peak time like July? Major public holidays and other popular seasons can mean longer queues at airport checkpoints. Play things extra safe and get there up to four hours before international flights and two hours before domestic departures.

  • A good range of airlines operate direct flights from Phoenix Sky Harbour International Airport to Seattle-Tacoma International Airport. Fly nonstop to Seattle with these carriers and experience this exciting part of United States:

  • The airline most travellers prefer to fly with on this route is American Airlines.

  • Delta Air Lines is the most punctual carrier that operates PHX to SEA flights. A reliable 94.37% of its departures on this route arrive without delay.

  • We make it simple to book a flight with a stopover. To see your options for tickets from Phoenix Sky Harbour International Airport to Seattle-Tacoma International Airport, deselect 'Direct flights only.' Then, choose a flight that has a stop long enough to visit the city of your choice. Some great stopovers between PHX and SEA include:

    • Portland International Airport

    • Boise Air Terminal (Gowen Field) Airport

    • Salt Lake City International Airport

How to find the cheapest flights from Phoenix Sky Harbour International Airport (PHX) to Seattle-Tacoma International Airport (SEA)

  • Rs14,140 is the best price for a one-way Phoenix Sky Harbour International Airport to Seattle-Tacoma International Airport flight. Return flights start at Rs28,281. These fares may change depending on demand.

  • Get cheap tickets from PHX to SEA by booking six months ahead. According to our research, that's the sweet spot for landing a bargain.

  • The cheapest month for flights from Phoenix Sky Harbour International Airport to Seattle-Tacoma International Airport is May. Use the 'Whole month' tool to find the lowest prices if you have flexible travel dates.

  • Landing cheap flights from PHX to SEA is a cinch with Price Alerts. Simply set up one of these automatic alerts and we'll notify you when a new deal comes up.

  • Pick your preferred departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from Phoenix Sky Harbour International Airport to Seattle-Tacoma International Airport.

Handy information about Phoenix Sky Harbour International Airport (PHX)

  • You'll find PHX at 3400 Sky Harbour Boulevard.

  • 82.57% of flights leaving Phoenix Sky Harbour International Airport land at their destination as planned. With its strong on-time performance, delays are unlikely when flying out of PHX.

  • Phoenix Sky Harbour International Airport is around 8 kilometres from central Phoenix. If you're ride-sharing, catching a cab or driving from the centre, it'll take you 10 minutes or so to get there, depending on the traffic.

  • Expect a journey time of roughly 35 minutes when using public transport.

  • Looking for a convenient hotel close to PHX? If you've booked an early flight from Phoenix Sky Harbour International Airport to Seattle-Tacoma International Airport, these stays will have you moments from your check-in counter:

Arriving at Seattle-Tacoma International Airport (SEA)

Getting from Seattle-Tacoma International Airport (SEA) to central Seattle

  • From Seattle-Tacoma International Airport, Seattle is approximately 23 kilometres away. It takes around 20 minutes to reach the centre driving.

  • Getting to the centre by public transport takes roughly 55 minutes.

When to fly to Seattle-Tacoma International Airport (SEA)

  • July is the most popular month for flights from Phoenix Sky Harbour International Airport to Seattle-Tacoma International Airport. To steer clear of the crowds, head to Seattle in May.

  • Book your flight from Phoenix Sky Harbour International Airport to Seattle-Tacoma International Airport for August if you want to visit Seattle during its warmest month. You can expect temperatures of between 12ºC and 28ºC.

  • Look for cheap tickets from PHX to SEA in February if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between -1ºC and 11ºC on average.

Explore more of United States

  • Seattle is always a good idea, but there are so many other corners of United States you should also see. Around 241 kilometres south of Seattle, a visit to Portland will keep you on the go. Start with popular sights like Pioneer Courthouse Square, Portland Japanese Garden and Pittock Mansion.

  • Spokane is another favourite destination in United States and is around 370 kilometres east of Seattle. No journey is complete without visiting Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.