Cheap Flights from Phoenix 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? If you want to travel next month, return fares start from $354. Find the lowest prices on one-way and return tickets right here.

Seattle.$354 per passenger.Departing Sat, 15 Aug, returning Sat, 22 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Sat, 15 Aug, arriving in Seattle / Tacoma International.Inbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Sat, 22 Aug, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $354, select.

Seattle.$367 per passenger.Departing Tue, 8 Sep, returning Tue, 22 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Tue, 8 Sep, arriving in Seattle / Tacoma International.Inbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Tue, 22 Sep, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $367, select.

Seattle.$368 per passenger.Departing Tue, 13 Oct, returning Wed, 21 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Tue, 13 Oct, arriving in Seattle / Tacoma International.Inbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Wed, 21 Oct, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $368, select.

Seattle.$370 per passenger.Departing Wed, 4 Nov, returning Wed, 11 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Wed, 4 Nov, arriving in Seattle / Tacoma International.Inbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Wed, 11 Nov, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $370, select.

Seattle.$370 per passenger.Departing Tue, 25 Aug, returning Tue, 1 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Tue, 25 Aug, arriving in Seattle / Tacoma International.Inbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Tue, 1 Sep, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $370, select.

Seattle.$370 per passenger.Departing Wed, 26 Aug, returning Wed, 21 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Wed, 26 Aug, arriving in Seattle / Tacoma International.Inbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Wed, 21 Oct, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $370, select.

Seattle.$387 per passenger.Departing Wed, 29 Jul, returning Wed, 5 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Wed, 29 Jul, arriving in Seattle / Tacoma International.Inbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Wed, 5 Aug, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $387, select.

Seattle.$397 per passenger.Departing Sat, 31 Oct, returning Wed, 4 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Sat, 31 Oct, arriving in Seattle / Tacoma International.Inbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Wed, 4 Nov, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $397, select.

Seattle.$404 per passenger.Departing Wed, 22 Jul, returning Tue, 28 Jul.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Wed, 22 Jul, arriving in Seattle / Tacoma International.Inbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Tue, 28 Jul, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $404, select.

Seattle.$405 per passenger.Departing Sat, 7 Nov, returning Sat, 7 Nov.Return flight with Delta.Outbound direct flight with Delta departs from Phoenix Sky Harbor on Sat, 7 Nov, arriving in Seattle / Tacoma International.Inbound direct flight with Delta departs from Seattle / Tacoma International on Sat, 7 Nov, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $405, select.

Seattle.$408 per passenger.Departing Wed, 7 Oct, returning Wed, 7 Oct.Return flight with Delta.Outbound direct flight with Delta departs from Phoenix Sky Harbor on Wed, 7 Oct, arriving in Seattle / Tacoma International.Inbound direct flight with Delta departs from Seattle / Tacoma International on Wed, 7 Oct, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $408, select.

Seattle.$414 per passenger.Departing Wed, 2 Sep, returning Sat, 5 Sep.Return flight with Delta.Outbound direct flight with Delta departs from Phoenix Sky Harbor on Wed, 2 Sep, arriving in Seattle / Tacoma International.Inbound direct flight with Delta departs from Seattle / Tacoma International on Sat, 5 Sep, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $414, select.

Seattle.$416 per passenger.Departing Wed, 19 Aug, returning Sat, 22 Aug.Return flight with Delta.Outbound direct flight with Delta departs from Phoenix Sky Harbor on Wed, 19 Aug, arriving in Seattle / Tacoma International.Inbound direct flight with Delta departs from Seattle / Tacoma International on Sat, 22 Aug, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $416, select.

Seattle.$416 per passenger.Departing Sat, 31 Oct, returning Sat, 7 Nov.Return flight with Delta.Outbound direct flight with Delta departs from Phoenix Sky Harbor on Sat, 31 Oct, arriving in Seattle / Tacoma International.Inbound direct flight with Delta departs from Seattle / Tacoma International on Sat, 7 Nov, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $416, select.

Seattle.$417 per passenger.Departing Sat, 29 Aug, returning Sat, 5 Sep.Return flight with Delta.Outbound direct flight with Delta departs from Phoenix Sky Harbor on Sat, 29 Aug, arriving in Seattle / Tacoma International.Inbound direct flight with Delta departs from Seattle / Tacoma International on Sat, 5 Sep, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $417, select.

Seattle.$417 per passenger.Departing Wed, 26 Aug, returning Wed, 21 Oct.Return flight with Delta.Outbound direct flight with Delta departs from Phoenix Sky Harbor on Wed, 26 Aug, arriving in Seattle / Tacoma International.Inbound direct flight with Delta departs from Seattle / Tacoma International on Wed, 21 Oct, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $417, 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 August.

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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 found	$354
Cheapest month to fly	August
Average flight time	3 hrs, 9 mins
Most popular airline	Qatar Airways
Average flights per week	441

Finding cheap flights from Phoenix to Seattle: Frequently asked questions

How many airports are there in Seattle?

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.

How much are return flights from Phoenix to Seattle?

The best price we found for a return flight from Phoenix to Seattle is $354. 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.

How long does it take to fly from Phoenix to Seattle?

3 hours and 9 minutes is the average flight time from Phoenix to Seattle.

Which airlines fly direct from Phoenix to Seattle?

Qatar Airways, Alaska Airlines and American Airlines fly direct from Phoenix to Seattle.

How many flights are there a week from Phoenix to Seattle?

As of July 2026, there are 441 flights per week flying from Phoenix to Seattle.

When is the cheapest time to fly from Phoenix to Seattle?

The cheapest month to fly from Phoenix to Seattle is usually August.

Which is the cheapest airport to fly into in Seattle?

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 $354.

Which upcoming date is cheapest to fly from Phoenix to Seattle on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Phoenix to Seattle on Saturday, 15 August 2026.

Can I get a direct flight from Phoenix to Seattle?

Yes – the average flight time is 3 hours and 9 minutes.

How can I get the best flight deal from Phoenix to Seattle?

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.

When is the best time to book flights to Seattle?

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.

What’s the weather like in Seattle?

In July, the average temperature is usually around 17°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.

Which is the cheapest airline to fly from Phoenix to Seattle with?

The cheapest airline that flies to Seattle is Frontier Airlines. And the cheapest airline that flies to Seattle Boeing Fld Airport is Delta.

Flying from Phoenix to Seattle: what you need to know

Kick off your travels at one of Phoenix's main airports, Phoenix Sky Harbour Airport (PHX) or Phoenix-Mesa Gateway Airport (AZA). Explore your options for booking a flight from Phoenix to Seattle departing from either of these.
When it comes to arriving in Seattle, Seattle / Tacoma International Airport (SEA) is a key hub. Paine Field Airport (PAE) is another.
Around 3 hours 10 minutes is how long you'll be travelling on a direct Phoenix to Seattle flight.
Seattle's timezone is UTC-8, making Seattle one hour behind Phoenix.
With 124 flights a week between the two airports, Phoenix Sky Harbour Airport (PHX) to Seattle / Tacoma International Airport (SEA) is the busiest route. Hop on the first flight from Phoenix to Seattle with Alaska Airlines at 05:00. If you prefer to get more out of your day before taking off, the latest departure from PHX to SEA is with Southwest Airlines at 22:55.
For a smooth journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. That way, you won't have to rush to board your Phoenix to Seattle flight.
During popular months like April, it's best to get to the airport even earlier. Arrive two hours before domestic departures and four hours ahead for an international flight when you travel during a peak period in general.

How to find the cheapest flights from Phoenix to Seattle

To pick up cheap Phoenix to Seattle flights, book in advance. Airlines tend to offer lower fares when flights are first released.
The 'Whole month' search tool will show you the cheapest plane tickets from Phoenix to Seattle throughout the month. It's a good way to snap up a bargain if your plans aren't set in stone.
You don't need to check back in every day to find out if fares have dropped when you set up a Price Alert. We'll update you as soon as a better deal comes up on cheap flights from Phoenix to Seattle.
Tailor your trip using filters. Pick your departure and arrival times, airlines and total journey duration. You can also sort the results by 'Best,' 'Cheapest' or 'Fastest' Phoenix to Seattle flights.

Flying from Phoenix

Phoenix Sky Harbour Airport (PHX)

You can book a direct flight from Phoenix to Seattle taking off from Phoenix Sky Harbour Airport (PHX). Board your plane at PHX and then make your arrival at Seattle / Tacoma International Airport (SEA) or Paine Field Airport (PAE).
Direct Phoenix to Seattle plane tickets are available from a good range of airlines at PHX. Take flight 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 will take roughly 25 minutes.
Planning to catch an early flight from Phoenix to Seattle? Avoid the stress of rushing to the terminal (and sneak in some extra precious sleep) by choosing one of these stays close to Phoenix Sky Harbour Airport:
Phoenix Sky Harbour Airport gets top marks for its on-time performance. 80% of flights that depart PHX land on time.
PHX is located at 3400 Sky Harbour Boulevard.

Arriving in Seattle

Seattle / Tacoma International Airport (SEA)

The distance from Seattle / Tacoma International Airport (SEA) to central Seattle is approximately 19 kilometres. It'll take you around 25 minutes to reach the centre driving.
Getting there on public transport will take you around 35 minutes.
The last thing you want is a long journey to your hotel if you're getting in late on a flight from Phoenix to Seattle. Stay at one of these accommodation options near SEA instead:
Say yes to new adventures by picking up a Seattle / Tacoma International Airport rental car. Grab your wheels from Thrifty, Europcar or Budget and explore beyond Seattle's usual tourist stops.
To lock in the lowest price, book your vehicle from Seattle / Tacoma International Airport around one week ahead of your Phoenix to Seattle flight.

Paine Field Airport (PAE)

Once your flight from Phoenix to Seattle has touched down, you can make your way to the city centre in about 20 minutes by car. Central Seattle is approximately 32 kilometres from Paine Field Airport (PAE).
Public transport will get you there in about 40 minutes.
Hang up the 'Do not disturb' sign and relax at a hotel near PAE. Here are a few options where you can put your feet up after your flight from Phoenix to Seattle:
Touch down, grab your Paine Field Airport rental car, and drive away without missing a beat. Budget and Enterprise are top outlets to choose from here.
Avoid filling out forms at the rental desk by having everything prearranged. Secure your ride from PAE in advance so you can simply get the keys and go.

Seattle Boeing Fld Airport (BFI)

Set off for the city centre after your flight from Phoenix to Seattle has landed. Central Seattle is around 11 kilometres from Seattle Boeing Fld Airport (BFI) and takes roughly 20 minutes to reach by car.
If you go by public transport, the journey time is around 35 minutes.
Whether you're looking for an economy for a solo adventure or a spacious SUV to fit everyone and their gear, you'll find the perfect Seattle Boeing Fld Airport rental car for your needs. Explore wheels available from providers such as Alamo, Budget and Avis.
Rental companies sometimes offer promotions on early bookings, so secure your vehicle from BFI a few weeks in advance of your flight from Phoenix to Seattle. A little prep work can make a big difference in cost.

Best time to go to Seattle

March is the quietest month for flights from Phoenix to Seattle, while July is the most popular. Choose the ideal time to visit Seattle based on whether you like a lively atmosphere or a more laid-back vibe.
Before locking in your Phoenix to Seattle tickets, think about the type of weather you enjoy. August is the warmest month in Seattle, with temperatures ranging from 12ºC to 28ºC.
Search for cheap flights from Phoenix to Seattle in February if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -1ºC and 11ºC on average.

More about Seattle

Start your Seattle trip right by choosing the ideal place to stay. Once you've booked your flight from Phoenix to Seattle, browse our selection of hotels including:
There are so many things to explore in this city it can be hard to figure out where to start. Space Needle, Pike Place Fish Market and The Museum of Flight are top attractions which should be on every Seattle itinerary.

Explore more of the United States

You've visited Seattle, now it's time to discover more of the United States. Travel about 241 kilometres south to Portland to check off its leading sights. From Portland Japanese Garden to Peninsula Park Rose Garden and International Rose Test Garden, your itinerary will be busy.
Around 370 kilometres east of Seattle, Spokane is another essential stop in the United States. Experience this destination's highlights firsthand at Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes.