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Cheap flight tickets from Phoenix to Seattle

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.RM259 per passenger.Departing Sat, 28 Feb, returning Sat, 28 Feb.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Sat, 28 Feb, arriving in Seattle / Tacoma International.Inbound direct flight with Frontier Airlines departs from Seattle / Tacoma International on Sat, 28 Feb, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From RM259, select.
Seattle.RM259 per passenger.Departing Wed, 25 Mar, returning Sat, 28 Mar.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Wed, 25 Mar, arriving in Seattle / Tacoma International.Inbound direct flight with Frontier Airlines departs from Seattle / Tacoma International on Sat, 28 Mar, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From RM259, select.
Seattle.RM301 per passenger.Departing Fri, 27 Feb, returning Tue, 10 Mar.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Fri, 27 Feb, arriving in Seattle / Tacoma International.Inbound direct flight with Frontier Airlines departs from Seattle / Tacoma International on Tue, 10 Mar, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From RM301, select.
Seattle.RM303 per passenger.Departing Tue, 24 Mar, returning Mon, 6 Apr.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Tue, 24 Mar, arriving in Seattle / Tacoma International.Inbound direct flight with Frontier Airlines departs from Seattle / Tacoma International on Mon, 6 Apr, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From RM303, select.
Seattle.RM480 per passenger.Departing Sun, 5 Apr, returning Mon, 6 Apr.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Phoenix Sky Harbor on Sun, 5 Apr, arriving in Seattle / Tacoma International.Inbound direct flight with Frontier Airlines departs from Seattle / Tacoma International on Mon, 6 Apr, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From RM480, select.
Seattle.RM673 per passenger.Departing Sat, 25 Apr, returning Sun, 3 May.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Phoenix Sky Harbor on Sat, 25 Apr, arriving in Seattle / Tacoma International.Inbound direct flight with Southwest Airlines departs from Seattle / Tacoma International on Sun, 3 May, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From RM673, select.
Seattle.RM695 per passenger.Departing Wed, 13 May, returning Wed, 20 May.Return flight with Delta.Outbound direct flight with Delta departs from Phoenix Sky Harbor on Wed, 13 May, arriving in Seattle / Tacoma International.Inbound direct flight with Delta departs from Seattle / Tacoma International on Wed, 20 May, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From RM695, select.
Seattle.RM809 per passenger.Departing Wed, 5 Aug, returning Wed, 12 Aug.Return flight with Delta.Outbound direct flight with Delta departs from Phoenix Sky Harbor on Wed, 5 Aug, arriving in Seattle / Tacoma International.Inbound direct flight with Delta departs from Seattle / Tacoma International on Wed, 12 Aug, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From RM809, 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 February.
Feb
from RM259
Mar
from RM259
Apr
from RM480
May
from RM695
Jun
from RM809
Jul
from RM809
Aug
from RM809
Sep
from RM809
Oct
from RM809
Nov
from RM813
Dec
Find prices
Jan
Find prices

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.

Seattle Lake Union SPB

2km from central Seattle
Closest
Search flights

Seattle Boeing Fld

11km from central Seattle
Search flights

Seattle / Tacoma International

20km from central Seattle
Cheapest
from RM260
Search flights

Paine Field

33km from central Seattle
from RM761
Search flights

Phoenix to Seattle: Flight information

The things to know before you go.
Cheapest flight foundRM259
Cheapest month to flyFebruary
Average flight time3 hrs, 13 mins
Most popular airlineAir Tahiti Nui
Average flights per week5,007

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 RM259. 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 to Seattle.
Air Tahiti Nui, Alaska Airlines and Qatar Airways fly direct from Phoenix to Seattle.
As of February 2026, there are 565 flights per week flying from Phoenix to Seattle.
The cheapest month to fly from Phoenix to Seattle is usually February.
If you're flying from Phoenix, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from RM259.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Phoenix to Seattle on Saturday, 28 February 2026.
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 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 February, the average temperature is usually around 4°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

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

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

  • Around 3 hours 10 minutes is how long you'll be travelling on a direct Phoenix to Seattle flight.

  • For hassle-free travel, turn up at the airport two hours ahead of international flights and an hour before domestic departures. That way, you won't have to rush to catch your Phoenix to Seattle flight.

  • Travelling during a peak time like a bank holiday? Expect longer queues at security and check-in. Play it safe and arrive up to four hours before international flights and two hours ahead of domestic departures.

How to find the cheapest flights from Phoenix to Seattle

  • RM130 is currently the best price for a one-way ticket from Phoenix to Seattle. A return flight starts at RM259. 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)

  • Take off from Phoenix Sky Harbour International Airport (PHX) on a nonstop flight from Phoenix to Seattle. From PHX, you can travel directly to Seattle-Tacoma International Airport (SEA).

  • There are plenty of airlines that offer direct Phoenix to Seattle plane tickets out of PHX. Let one of these carriers take you there:

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

  • Catching an early flight from Phoenix to Seattle? Avoid the stress of rushing to the terminal (and get some extra shut-eye) by choosing one of these stays near Phoenix Sky Harbour International Airport:

  • 82.57% of flights leaving Phoenix Sky Harbour International Airport reach their destination on time. Given its strong on-time performance, you're unlikely to face delays when taking off from PHX.

  • PHX is located at 3400 Sky Harbour Boulevard.

Arriving in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) to central Seattle takes about 20 minutes to reach by car. The centre is roughly 19 kilometres away.

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

  • If you're coming in on a late flight from Phoenix to Seattle, nothing beats the convenience of staying close to the terminal. Collect your bags from the carousel and then be showered and snoozing not long after at one of these accommodation options near SEA:

  • Go where the road takes you with a Seattle-Tacoma International Airport rental car. Pick up your wheels from Thrifty, Europcar or Budget and venture far and wide through Seattle and beyond.

  • Lock in the best deal by reserving your ride from Seattle-Tacoma International Airport around one week in advance of your trip.

Lake Union Sea Plane Base Airport (LKE)

  • Lake Union Sea Plane Base Airport (LKE) is around 3 kilometres from the centre of Seattle. Once you've disembarked your flight from Phoenix to Seattle, it takes approximately 10 minutes to reach the heart of the city in a cab or ride-share.

  • If you're catching public transport, it'll take about 25 minutes.

  • You'll find some comfortable places to call home for the night near LKE. Settle in and get cosy after your Phoenix to Seattle flight at one of these perfectly located options:

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 searching for somewhere to lay your head, you'll find the best stays in Seattle right here. Check out these hotels as soon as you've locked in your flight from Phoenix to Seattle:

  • There are so many things to do and see in this city it can be tricky to work out where to start. Greyhound: Bus Station, LMN Architects and Boeing Radiation Effects Lab are leading attractions which should be on any good Seattle itinerary.

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.