Cheap flights from Seattle to Phoenix Sky Harbor

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Flight deals from Seattle to Phoenix Sky Harbor

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

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

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

Direct flights from Seattle to Phoenix Sky Harbor

Seattle to Phoenix Sky Harbor: Alternative routes

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

Seattle to Phoenix: Flight information

The things to know before you go.
Cheapest flight foundP6,367
Cheapest month to flyJune
Average flight time2 hrs, 57 mins
Most popular airlineHawaiian Airlines
Average flights per week534

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

The best price we found for a return flight from Seattle to Phoenix Sky Harbor is P6,367. 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.
2 hours and 57 minutes is the average flight time from Seattle to Phoenix Sky Harbor.
Air Tahiti Nui, Hawaiian Airlines and Alaska Airlines fly direct from Seattle to Phoenix Sky Harbor.
As of May 2025, there are 534 flights per week flying from Seattle to Phoenix Sky Harbor.
The cheapest month to fly from Seattle to Phoenix Sky Harbor is usually May 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Phoenix Sky Harbor Airport on Wednesday, 25 June 2025.
Yes – the average flight time is 2 hours and 57 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 Phoenix Sky Harbor 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 Phoenix is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Phoenix Sky Harbor is Frontier Airlines .

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

  • All good adventures take off from Seattle's main airport, Seattle-Tacoma International Airport (SEA). Explore the options for booking a flight from Seattle to Phoenix Sky Harbour International Airport (PHX) departing from this terminal.

  • Expect to be in the air for 2 hours 55 minutes. That's the average journey time for a direct flight from Seattle to Phoenix Sky Harbour International Airport.

  • Seattle and Phoenix (where Phoenix Sky Harbour International Airport is located) share the UTC-7 timezone. That means you won't need to change your watch when you arrive.

  • With 155 direct weekly flights between the two airports, Seattle-Tacoma International Airport (SEA) to Phoenix Sky Harbour International Airport (PHX) is the busiest route. Southwest Airlines operates the earliest flight at 05:00. If you prefer to make the most of your day before taking off, the latest flight from SEA to PHX is with Frontier Airlines at 22:06.

  • Your flight from Seattle to PHX won't wait if you're late, so show up at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • Travelling during a peak time like July? Popular seasons (like summer, Christmas and New Year) can easily add another hour at security. Play things extra safe and arrive up to four hours before an international flight and two hours before a domestic departure.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Get there in one go from Seattle-Tacoma International Airport (SEA). Direct flights from Seattle to Phoenix Sky Harbour International Airport (PHX) operate from here.

  • These are some of the popular airlines operating direct flights from Seattle to Phoenix Sky Harbour International Airport taking off from SEA:

  • From central Seattle, SEA is approximately 23 kilometres away. Check the official airport website or use navigation apps to find the best way to arrive at the terminal.

  • After a leisurely start to your journey? Stay near Seattle-Tacoma International Airport. Whether you're catching an early flight from Seattle to Phoenix Sky Harbour International Airport or just don't want to be rushed, these hotels are ideal:

Lake Union Sea Plane Base (LKE)

About Phoenix Sky Harbour International Airport (PHX)

Getting from Phoenix Sky Harbour International Airport (PHX) to central Phoenix

  • Phoenix Sky Harbour International Airport is approximately 8 kilometres from central Phoenix. With your own car rental or if you're catching a cab, the drive is around 11 minutes.

  • If you're using public transport, expect a journey time of roughly 34 minutes.

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

  • P3,265 is the cheapest price we've found for a one-way ticket from Seattle to Phoenix Sky Harbour International Airport. Return flights start from P6,367. Prices are subject to change based on availability and may vary at the time of booking.

  • Book 8 months before your departure date. After looking at the numbers on our calendar, this is how far you should book ahead to find cheap tickets from Seattle to PHX.

  • To score the lowest price on your tickets from Seattle to Phoenix Sky Harbour International Airport, plan your trip for May (it's when flights are cheapest). Flexible with your dates? Use the 'Whole month' search tool to zero in on the most affordable day to fly.

  • Snapping up a cheap ticket from Seattle to PHX couldn't be easier with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch as soon as the price drops.

  • Use the filters to tailor your flights from Seattle to Phoenix Sky Harbour International Airport. Enter your preferred departure and arrival times, airlines and number of stops. You can also sort your results by 'Cheapest' to find the best deals.

The best time to fly from Seattle to Phoenix Sky Harbour International Airport (PHX)

  • May is the quietest time to travel to Phoenix. Alternatively, join the crowds and get away in July. This is the busiest month for flights from Seattle to Phoenix Sky Harbour International Airport.

  • Book your flight from Seattle to PHX for July if you're eager to visit the city during its warmest month. You can expect temperatures in Phoenix to range from 26ºC to 44ºC.

  • Visit in January for cooler conditions. Average temperatures range between 4ºC and 20ºC. However, this city promises a good time whenever you book your cheap flights from Seattle to Phoenix Sky Harbour International Airport.

More about Phoenix

  • Start your Phoenix trip off on the right foot by choosing the ideal place to stay. After booking your flight from Seattle to Phoenix Sky Harbour International Airport, browse our selection of accommodation options including:

  • One of the best ways to get to know Phoenix is to check out its most popular sights. Highlights include Desert Botanical Garden, Heard Museum and Papago Park.

Complete your Phoenix trip with a car rental

  • Finding you a cheap flight from Seattle to Phoenix Sky Harbour International Airport isn't the only trick up our sleeve. Browse our car rentals in Phoenix and travel at your own pace. We search for deals from trusted car rental companies and put them all in one place. You can instantly compare rates and then book with no fees.

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