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Cheap flights from Phoenix to Seattle

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Compare Phoenix to Seattle flight deals

Find the cheapest month or even day of the year to fly to Seattle

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Flight deals from Phoenix to Seattle

Looking for a cheap last-minute deal or the best return flight from Phoenix to Seattle? Find the lowest prices on one-way and return tickets right here.
Seattle.P6,525 per passenger.Departing Fri, 25 Jul, returning Mon, 28 Jul.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Fri, 25 Jul, arriving in Paine Field.Inbound direct flight with Frontier Airlines departs from Paine Field on Mon, 28 Jul, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From P6,525, select.
Seattle.P6,548 per passenger.Departing Fri, 27 Jun, returning Mon, 30 Jun.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Fri, 27 Jun, arriving in Paine Field.Inbound direct flight with Frontier Airlines departs from Paine Field on Mon, 30 Jun, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From P6,548, select.
Seattle.P8,154 per passenger.Departing Wed, 30 Jul, returning Wed, 6 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Wed, 30 Jul, arriving in Seattle / Tacoma International.Inbound direct flight with Frontier Airlines departs from Seattle / Tacoma International on Wed, 6 Aug, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From P8,154, select.
Seattle.P8,184 per passenger.Departing Wed, 6 Aug, returning Sat, 9 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Wed, 6 Aug, arriving in Seattle / Tacoma International.Inbound direct flight with Frontier Airlines departs from Seattle / Tacoma International on Sat, 9 Aug, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From P8,184, select.
Seattle.P8,184 per passenger.Departing Wed, 25 Jun, returning Wed, 2 Jul.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Wed, 25 Jun, arriving in Seattle / Tacoma International.Inbound direct flight with Frontier Airlines departs from Seattle / Tacoma International on Wed, 2 Jul, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From P8,184, select.
Seattle.P8,760 per passenger.Departing Wed, 27 Aug, returning Tue, 2 Sep.Return flight with Delta.Outbound direct flight with Delta departs from Phoenix Sky Harbor on Wed, 27 Aug, arriving in Seattle / Tacoma International.Inbound direct flight with Delta departs from Seattle / Tacoma International on Tue, 2 Sep, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From P8,760, select.
Seattle.P8,775 per passenger.Departing Tue, 30 Sep, returning Tue, 7 Oct.Return flight with Delta.Outbound direct flight with Delta departs from Phoenix Sky Harbor on Tue, 30 Sep, arriving in Seattle / Tacoma International.Inbound direct flight with Delta departs from Seattle / Tacoma International on Tue, 7 Oct, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From P8,775, select.
Seattle.P8,981 per passenger.Departing Fri, 7 Nov, returning Wed, 12 Nov.Return flight with Delta.Outbound direct flight with Delta departs from Phoenix Sky Harbor on Fri, 7 Nov, arriving in Seattle / Tacoma International.Inbound direct flight with Delta departs from Seattle / Tacoma International on Wed, 12 Nov, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From P8,981, select.

Find the cheapest month to fly from Phoenix to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Phoenix to Seattle flights are currently cheapest in July.
May
from P15,674
Jun
from P6,548
Jul
from P6,525
Aug
from P8,184
Sep
from P8,981
Oct
from P9,216
Nov
from P8,981
Dec
from P10,359
Jan
Find prices
Feb
from P12,056
Mar
Find prices
Apr
from P14,239

Direct flights from Phoenix to Seattle

Alternative Phoenix to Seattle routes

Looking for the cheapest, fastest or easiest route from Phoenix to Seattle? You could fly into the following airports instead.

Phoenix to Seattle: Flight information

The things to know before you go.
Cheapest flight foundP6,525
Cheapest month to flyJuly
Average flight time3 hrs, 8 mins
Most popular airlineHawaiian Airlines
Average flights per week526

Finding cheap flights from Phoenix to Seattle: Frequently asked questions

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
The best price we found for a return flight from Phoenix to Seattle is P6,525. 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 8 minutes is the average flight time from Phoenix to Seattle.
Hawaiian Airlines, Alaska Airlines and American Airlines fly direct from Phoenix to Seattle.
As of May 2025, there are 526 flights per week flying from Phoenix to Seattle.
The cheapest month to fly from Phoenix to Seattle is usually May 2025.
If you're flying from Phoenix, the cheapest airport near Seattle is Paine Field – which is 32.5 km away from the centre of Seattle. We've found flights into this airport from P6,525.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Phoenix to Seattle on Friday, 25 July 2025.
Yes – the average flight time is 3 hours and 8 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 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.
In May, the average temperature is usually around 12°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
The cheapest airline that flies to Seattle is Frontier Airlines .

Flying from Phoenix to Seattle: what you need to know

  • Your next great adventure starts at one of Phoenix's main airports, Phoenix Sky Harbour International Airport (PHX) or Phoenix-Mesa Gateway Airport (AZA). Explore your options for booking a flight from Phoenix to Seattle leaving from either of these.

  • Hop off the plane at Seattle-Tacoma International Airport (SEA). This is how most airline passengers arrive in Seattle.

  • The average duration of a direct Phoenix to Seattle flight is 3 hours 10 minutes.

  • To ensure you board your Phoenix to Seattle flight, leave enough time for things like check-in and baggage drop. Turning up two hours ahead of international departures and an hour before domestic flights is the standard rule.

  • If you're flying during a major holiday or other peak period, allow for even more time. A good rule is two hours before domestic flights and up to four hours before international departures. Lines at security and check-in will be longer.

How to find the cheapest flights from Phoenix to Seattle

  • P3,262 is currently the best price for a one-way ticket from Phoenix to Seattle. A return flight starts at P6,525. These fares can change based on demand.

  • Score cheap Phoenix to Seattle flights by booking two months ahead. According to our research, that's the ideal time for landing a bargain.

  • May is the best month for nabbing an awesome deal on a plane ticket from Phoenix to Seattle. If you're looking to travel during a different time of year, the 'Whole month' tool will show you the lowest prices for each month.

  • Cut down on the time spent looking for cheap flights from Phoenix to Seattle by creating a Price Alert. You'll receive an email or push notification on the app when a lower fare becomes available.

  • Save on your Phoenix to Seattle flight with the help of our filters. Select your preferred times, airlines and number of stops, then sort the results by 'Cheapest' to see the best deals.

Flying from Phoenix

Phoenix Sky Harbour International Airport (PHX)

  • If you're searching for a direct flight from Phoenix to Seattle, you can depart from Phoenix Sky Harbour International Airport (PHX). Get from PHX to Seattle-Tacoma International Airport (SEA) in one seamless journey.

  • Direct Phoenix to Seattle plane tickets are available from a range of airlines at PHX. Cruise the skies with one of these carriers:

  • Located around 6 kilometres from central Phoenix, PHX can be reached in about 10 minutes by car, depending on traffic. The journey on public transport is roughly 35 minutes.

  • Need a convenient hotel near Phoenix Sky Harbour International Airport? If you've booked an early flight from Phoenix to Seattle, these stays will put you moments from your check-in counter:

  • 82.57% of flights leaving Phoenix Sky Harbour International Airport touch down at their destination according to schedule. Given its reliable on-time performance, you're unlikely to be delayed when flying out of PHX.

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

Arriving in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) to central Seattle takes around 20 minutes by car. The centre is roughly 18 kilometres away.

  • It usually takes 55 minutes to get there on public transport.

  • If you have a late flight from Phoenix to Seattle, few things beat the convenience of staying near the terminal. Grab your bags from the carousel and then be showered and snoozing not long after at one of these hotels near SEA:

  • Pick up a Seattle-Tacoma International Airport rental car and explore Seattle and beyond with your own set of wheels. Thrifty, Europcar and Budget are top outlets you can book with here.

  • Get the best deal by booking your ride from Seattle-Tacoma International Airport about one week before your travel date.

Lake Union Sea Plane Base Airport (LKE)

  • Central Seattle is approximately 3 kilometres from Lake Union Sea Plane Base Airport (LKE). As soon as your flight from Phoenix to Seattle has landed and you've made your way through the terminal, the drive should be around 10 minutes.

  • Travelling by public transport will take approximately 25 minutes.

  • After your flight from Phoenix to Seattle, unwind at a hotel near LKE. These are some comfortable options that'll help you slip into relaxation mode:

Best time to go to Seattle

  • May is the quietest month for flights from Phoenix to Seattle, while July is the busiest. Pick the ideal time to go to Seattle based on whether you want a lively atmosphere or a more laid-back vibe.

  • The warmest month in Seattle is August, with temperatures ranging between 12ºC (54ºF) and 28ºC (82ºF). Lock in your Phoenix to Seattle ticket then if that's your definition of good weather.

  • February sees average temperatures of between -1ºC (30ºF) and 11ºC (52ºF). Search for cheap flights from Phoenix to Seattle around that time if you like travelling in cooler conditions.

More about Seattle

  • When it comes to looking for somewhere to lay your head, you'll find the top stays in Seattle right here. Explore these options once you've booked your flight from Phoenix to Seattle:

  • Greyhound: Bus Station and LMN Architects are just the start of the top-rated attractions to add to your Seattle travel itinerary. Continue your sightseeing adventures at Boeing Radiation Effects Lab.

Explore more of United States

  • Seattle has loads to offer, but there are so many other parts of United States just waiting to be discovered. Around 241 kilometres south of Seattle, a visit to Portland will keep your itinerary packed. Start with leading sights like Pioneer Courthouse Square, Portland Japanese Garden and Pittock Mansion.

  • If you want to check out another corner of United States, head for Spokane, about 370 kilometres east of Seattle. Manito Park, Northwest Museum of Arts & Culture and Spokane Falls are key highlights.

Plan the rest of your trip from Phoenix to Seattle

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