Cheap flights from Phoenix Sky Harbor to Seattle

Compare Phoenix Sky Harbor 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 Sky Harbor to Seattle

Looking for a cheap last-minute deal or the best return flight from Phoenix Sky Harbor Airport to Seattle? If you want to travel next month, return fares start from P11,582. Find the lowest prices on one-way and return tickets right here.

Seattle.P5,705 per passenger.Departing Tue, 9 Jun.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Tue, 9 Jun, arriving in Seattle / Tacoma International.Price includes taxes and charges.From P5,705, select.

Seattle.P5,837 per passenger.Departing Wed, 16 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Wed, 16 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From P5,837, select.

Seattle.P6,061 per passenger.Departing Wed, 8 Jul.One-way flight with Delta.Outbound direct flight with Delta departs from Phoenix Sky Harbor on Wed, 8 Jul, arriving in Seattle / Tacoma International.Price includes taxes and charges.From P6,061, select.

Seattle.P6,061 per passenger.Departing Mon, 22 Jun.One-way flight with Delta.Outbound direct flight with Delta departs from Phoenix Sky Harbor on Mon, 22 Jun, arriving in Seattle / Tacoma International.Price includes taxes and charges.From P6,061, select.

Seattle.P6,061 per passenger.Departing Sat, 1 Aug.One-way flight with Delta.Outbound direct flight with Delta departs from Phoenix Sky Harbor on Sat, 1 Aug, arriving in Seattle / Tacoma International.Price includes taxes and charges.From P6,061, select.

Seattle.P6,980 per passenger.Departing Wed, 9 Sep.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Phoenix Sky Harbor on Wed, 9 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From P6,980, select.

Seattle.P7,279 per passenger.Departing Sat, 3 Oct.One-way flight with Delta.Outbound direct flight with Delta departs from Phoenix Sky Harbor on Sat, 3 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From P7,279, select.

Seattle.P7,319 per passenger.Departing Sat, 23 May.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Phoenix Sky Harbor on Sat, 23 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From P7,319, select.

Seattle.P7,909 per passenger.Departing Thu, 12 Nov.One-way flight with Delta.Outbound direct flight with Delta departs from Phoenix Sky Harbor on Thu, 12 Nov, arriving in Seattle / Tacoma International.Price includes taxes and charges.From P7,909, select.

Seattle.P8,393 per passenger.Departing Thu, 1 Apr.One-way flight with Delta.Outbound direct flight with Delta departs from Phoenix Sky Harbor on Thu, 1 Apr, arriving in Seattle / Tacoma International.Price includes taxes and charges.From P8,393, select.

Seattle.P8,393 per passenger.Departing Fri, 25 Dec.One-way flight with Delta.Outbound direct flight with Delta departs from Phoenix Sky Harbor on Fri, 25 Dec, arriving in Seattle / Tacoma International.Price includes taxes and charges.From P8,393, select.

Seattle.P8,424 per passenger.Departing Mon, 22 Mar.One-way flight with Delta.Outbound direct flight with Delta departs from Phoenix Sky Harbor on Mon, 22 Mar, arriving in Seattle / Tacoma International.Price includes taxes and charges.From P8,424, select.

Seattle.P8,525 per passenger.Departing Mon, 4 Jan.One-way flight with Delta.Outbound direct flight with Delta departs from Phoenix Sky Harbor on Mon, 4 Jan, arriving in Seattle / Tacoma International.Price includes taxes and charges.From P8,525, select.

Find the cheapest month to fly from Phoenix Sky Harbor to Seattle

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 flights are currently cheapest in June.

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Direct flights from Phoenix Sky Harbor to Seattle

Alternative Phoenix Sky Harbor to Seattle routes

Looking for the cheapest, fastest or easiest route from Phoenix Sky Harbor 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	P5,705
Cheapest month to fly	June
Average flight time	3 hrs, 9 mins
Most popular airline	Qatar Airways
Average flights per week	411

Finding cheap flights from Phoenix Sky Harbor 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 Sky Harbor to Seattle?

The best price we found for a return flight from Phoenix Sky Harbor to Seattle is P11,582. 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 Sky Harbor to Seattle?

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

Which airlines fly direct from Phoenix Sky Harbor to Seattle?

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

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

As of May 2026, there are 408 flights per week flying from Phoenix Sky Harbor to Seattle.

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

The cheapest month to fly from Phoenix Sky Harbor to Seattle is usually June.

Which is the cheapest airport to fly into in Seattle?

If you're flying from Phoenix Sky Harbor Airport, 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 P11,582.

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

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Phoenix Sky Harbor Airport to Seattle on Tuesday, 9 June 2026.

Can I get a direct flight from Phoenix Sky Harbor Airport to Seattle?

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

How can I get the best flight deal from Phoenix Sky Harbor Airport 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 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.

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

Currently, Frontier Airlines and Delta offer the cheapest flight tickets to Seattle.

Flying from Phoenix Sky Harbour International Airport (PHX) to Seattle: what you need to know

The average time for a direct flight from Phoenix Sky Harbour International Airport to Seattle is 2 hours 55 minutes.
Phoenix Sky Harbour International Airport is located in Phoenix. Based in the UTC-8 timezone, Seattle is one hour behind Phoenix.
The busiest route is from Phoenix Sky Harbour International Airport (PHX) to Seattle-Tacoma International Airport (SEA). Take your pick of 130 weekly services between these two airports. If you'd like to get on your way as soon as you can, the earliest flight from PHX to SEA is the 05:00 Alaska Airlines option. If you prefer travelling later, the final departure is at 22:55 with Southwest Airlines.
To avoid rushing for your PHX to Seattle flight, allow plenty of time for things like baggage drop and finding your gate. Turning up two hours ahead of international departures and one hour before domestic flights is the standard rule.
Flying during a popular month like March? Major public holidays and other popular seasons can lead to longer lines at check-in and security. Play it safe and arrive up to four hours ahead of an international flight and two hours before domestic departures.
You can book a direct Phoenix Sky Harbour International Airport to Seattle ticket. Begin your journey at PHX and land at Seattle-Tacoma International Airport (SEA).
Numerous airlines offer direct flights from Phoenix Sky Harbour International Airport to Seattle. They include:
PHX is about 6 kilometers from central Phoenix. If you're driving, catching a taxi or ride-sharing from the centre, it'll take you 10 minutes or so to get there, depending on traffic. If you're taking public transport, expect the travel time to be around 25 minutes.
Want a relaxed start to your trip? Stay near PHX. Whether you're catching an early flight from Phoenix Sky Harbour International Airport to Seattle or just don't like being rushed, these hotels are all about convenience:
80% of flights leaving Phoenix Sky Harbour International Airport touch down at their destination according to schedule. With its solid on-time performance, you're unlikely to be delayed when taking off from PHX.
You'll find PHX at 3400 Sky Harbour Boulevard.

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

P5,705 is the cheapest price we've seen for a one-way Phoenix Sky Harbour International Airport to Seattle flight. A return ticket right now is P11,582. Depending on when you want to go and the availability, these fares could change.
To find cheap flights from PHX to Seattle, book in advance. Airlines tend to offer lower prices when flights are first released.
The 'Whole month' tool will show you the cheapest tickets from Phoenix Sky Harbour International Airport to Seattle across the entire month. It's a great way to snap up a bargain if your travel dates aren't set in stone.
There's no need to keep looking every day to find out if fares have dropped when you set up a Price Alert. We'll update you as soon as there's an extra saving on cheap flights from PHX to Seattle.
Tailor your trip with filters. Choose your arrival and departure times, total journey duration and airlines. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from Phoenix Sky Harbour International Airport to Seattle.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

Seattle-Tacoma International Airport (SEA) to central Seattle takes about 25 minutes to reach by car. The centre is roughly 23 kilometers away.
It takes around 35 minutes to get there by public transport.
Consider staying in a hotel near SEA if you're coming in on a late flight from Phoenix Sky Harbour International Airport to Seattle. Check in to one of these accommodation options and skip the long transfer:
Booking your ride from Seattle-Tacoma International Airport about one week before your flight from PHX to Seattle can help you lock in the lowest rate.

Seattle Paine Field International Airport (PAE)

The centre of Seattle is around 40 kilometers from Seattle Paine Field International Airport (PAE). After your flight from Phoenix Sky Harbour International Airport to Seattle has landed and you've made your way through the terminal, expect a drive of about 40 minutes.
If you choose to travel on public transport, the journey will take you 1 hour 30 minutes or so.
You'll find some great places to call home for the night near PAE. Tuck yourself in and get cosy after your PHX to Seattle flight at one of these perfectly located options:
Lock in the vehicle you want, not just whatever's left, by reserving your ride from PAE ahead of your arrival. You can also avoid paying more than you have to, especially during peak travel times.

King County International Airport (BFI)

King County International Airport (BFI) is around 11 kilometers from central Seattle. It'll take you about 20 minutes to reach the city centre by taxi or ride-share once you've hopped off your flight from Phoenix Sky Harbour International Airport to Seattle.
The journey takes about 35 minutes if you use public transport.
Enjoy a quiet, low-key start to your trip by staying at a hotel near BFI after your PHX to Seattle flight. Recharge after a day of travel or simply take a moment to settle into a new destination at:
Rental companies sometimes offer discounts on early bookings, so book your ride from BFI a few weeks in advance of your flight from Phoenix Sky Harbour International Airport to Seattle. A bit of planning goes a long way in savings.

Best time to go to Seattle

July is the most popular month for flights from Phoenix Sky Harbour International Airport to Seattle. To skip the crowds, head to Seattle in December.
The warmest month in Seattle is August, with temperatures ranging between 12ºC (54ºF) and 28ºC (82ºF). Book your Phoenix Sky Harbour International Airport to Seattle plane ticket then if that's your definition of good weather.
February has average temperatures of between -1ºC (30ºF) and 11ºC (52ºF). Search for a cheap ticket from PHX to Seattle around that time if you want to travel in cooler conditions.

More about Seattle

After booking your flight from Phoenix Sky Harbour International Airport to Seattle, find a hotel that offers the right mix of comfort and location. Make one of these options your base for exploring Seattle:
Pike Place Market and Space Needle are just a couple of the major attractions to put on your Seattle travel itinerary. Keep the momentum going by heading to Seattle Skyline.

Explore more of the United States

You've visited Seattle, now it's time to discover other corners of the United States. Journey about 241 kilometers south to Portland to tick off its top sights. From Portland Japanese Garden to Peninsula Park Rose Garden and Beyond Van Gogh Portland, you've got a jam-packed schedule ahead.
Around 370 kilometers east of Seattle, Spokane is another essential stop in the United States. Get a taste of what this destination has to offer at Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes.