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Cheap flights from Seattle / Tacoma International to Phoenix Sky Harbor

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Compare Seattle / Tacoma International to Phoenix Sky Harbor flight deals

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Flight deals from Seattle / Tacoma International to Phoenix Sky Harbor

Looking for a cheap last-minute deal or the best round-trip flight from Seattle / Tacoma International to Phoenix Sky Harbor? Find the lowest prices on one-way and round-trip tickets right here.
Phoenix.C$121 per passenger.Departing Wed, Jun 18, returning Sat, Jul 19.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Seattle / Tacoma International on Wed, Jun 18, arriving in Phoenix Sky Harbor.Inbound direct flight with Frontier Airlines departing from Phoenix Sky Harbor on Sat, Jul 19, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$121, select.
Phoenix.C$122 per passenger.Departing Sat, Jul 19, returning Sat, Jul 26.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Seattle / Tacoma International on Sat, Jul 19, arriving in Phoenix Sky Harbor.Inbound direct flight with Frontier Airlines departing from Phoenix Sky Harbor on Sat, Jul 26, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$122, select.
Phoenix.C$122 per passenger.Departing Wed, Jun 18, returning Wed, Jun 25.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Seattle / Tacoma International on Wed, Jun 18, arriving in Phoenix Sky Harbor.Inbound direct flight with Frontier Airlines departing from Phoenix Sky Harbor on Wed, Jun 25, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$122, select.
Phoenix.C$134 per passenger.Departing Sat, May 31, returning Sun, Jun 1.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Seattle / Tacoma International on Sat, May 31, arriving in Phoenix Sky Harbor.Inbound direct flight with Frontier Airlines departing from Phoenix Sky Harbor on Sun, Jun 1, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$134, select.
Phoenix.C$134 per passenger.Departing Tue, May 27, returning Fri, May 30.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Seattle / Tacoma International on Tue, May 27, arriving in Phoenix Sky Harbor.Inbound direct flight with Frontier Airlines departing from Phoenix Sky Harbor on Fri, May 30, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$134, select.
Phoenix.C$135 per passenger.Departing Fri, Aug 1, returning Sat, Aug 9.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Seattle / Tacoma International on Fri, Aug 1, arriving in Phoenix Sky Harbor.Inbound direct flight with Frontier Airlines departing from Phoenix Sky Harbor on Sat, Aug 9, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$135, select.
Phoenix.C$216 per passenger.Departing Tue, Oct 14, returning Fri, Oct 24.Round-trip flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departing from Seattle / Tacoma International on Tue, Oct 14, arriving in Phoenix Sky Harbor.Inbound direct flight with Alaska Airlines departing from Phoenix Sky Harbor on Fri, Oct 24, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$216, select.
Phoenix.C$218 per passenger.Departing Tue, Sep 16, returning Tue, Sep 30.Round-trip flight with Delta.Outbound direct flight with Delta departing from Seattle / Tacoma International on Tue, Sep 16, arriving in Phoenix Sky Harbor.Inbound direct flight with Delta departing from Phoenix Sky Harbor on Tue, Sep 30, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$218, select.

Find the cheapest month to fly from Seattle / Tacoma International 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 / Tacoma International to Phoenix Sky Harbor flights are currently cheapest in June.
May
from C$134
Jun
from C$122
Jul
from C$122
Aug
from C$135
Sep
from C$218
Oct
from C$216
Nov
from C$218
Dec
from C$277
Jan
Find prices
Feb
from C$269
Mar
from C$334
Apr
Find prices

Direct flights from Seattle / Tacoma International to Phoenix Sky Harbor

Seattle / Tacoma International to Phoenix Sky Harbor: Alternative routes

Compare routes from Seattle / Tacoma International 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 foundC$121
Cheapest month to flyJune
Average flight time2 hrs, 58 mins
Most popular airlineAir Tahiti Nui
Average flights per week496

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

The best price we found for a round-trip flight from Seattle / Tacoma International to Phoenix Sky Harbor is C$121. 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 58 minutes is the average flight time from Seattle / Tacoma International to Phoenix Sky Harbor.
Air Tahiti Nui, WestJet and American Airlines fly direct from Seattle / Tacoma International to Phoenix Sky Harbor.
There are 517 flights per week flying from Seattle / Tacoma International to Phoenix Sky Harbor, as of May 2025.
The cheapest month to fly from Seattle / Tacoma International to Phoenix Sky Harbor is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Seattle / Tacoma International Airport to Phoenix Sky Harbor Airport on Wednesday, June 18, 2025.
Yes – the average flight time is 2 hours and 58 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.
Currently, Frontier Airlines offers the cheapest flight tickets to Phoenix Sky Harbor.

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

  • Around 2 hours 55 minutes is how long you can expect to be in the air on a direct flight from Seattle-Tacoma International Airport to Phoenix Sky Harbour International Airport.

  • Seattle and Phoenix share the same timezone, UTC-7.

  • Every week, there are 155 Seattle-Tacoma International Airport to Phoenix Sky Harbour International Airport flights. If you want to get going early, select the 05:00 Southwest Airlines flight. If you're eager to make the most of your day before you fly, the latest flight is at 22:06 with Frontier Airlines.

  • To ensure you get on your SEA to PHX flight, leave plenty of time to navigate the airport and find your gate. Arriving two hours before international departures and one hour before domestic flights is the general rule.

  • Be prepared for longer lines in popular months such as July. Arriving up to four hours in advance for international flights and two hours for a domestic departure will help ensure a smooth travel experience.

  • Plenty of airlines operate direct flights from Seattle-Tacoma International Airport to Phoenix Sky Harbour International Airport. Fly nonstop to Phoenix with these carriers and get to know this incredible part of United States:

  • The airline that serves the most passengers on this route is American Airlines.

  • With a dependable 87.63% of services arriving on schedule, Delta Air Lines is the most punctual carrier operating SEA to PHX flights.

  • If you want to include a stop along the way, simply uncheck 'Direct flights only' when searching for your ticket from Seattle-Tacoma International Airport to Phoenix Sky Harbour International Airport. These are the most popular stopovers between SEA and PHX:

    • Boise Air Terminal (Gowen Field) Airport

    • Portland International Airport

    • Sacramento International Airport

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

  • At the moment, C$59 is the cheapest price we've seen for a one-way Seattle-Tacoma International Airport to Phoenix Sky Harbour International Airport flight. The best price for a return ticket is C$121. Bear in mind that fares may change due to demand when booking.

  • Book six months before you want to fly. After crunching the numbers on our calendar, this is how far you should book ahead to find cheap tickets from SEA to PHX.

  • Schedule your trip for May. That's the cheapest month for flights from Seattle-Tacoma International Airport to Phoenix Sky Harbour International Airport. If you have flexibility with your dates, try out the 'Whole month' tool to find the cheapest airfare across each month.

  • Save time looking for cheap flights from SEA to PHX by creating a Price Alert. We'll send you an email or notification on the app when a new discounted fare appears.

  • Secure the ideal flight for you by using the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Seattle-Tacoma International Airport to Phoenix Sky Harbour International Airport, use the 'Sort by' tool. You can also filter results by arrival and departure times, airline, and number of stops.

Handy information about Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport has an excellent on-time performance, so flight disruptions are less likely. Departures from SEA make it to their destination as scheduled 81.27% of the time.

  • Seattle-Tacoma International Airport is about 23 kilometres from central Seattle. If you're ride-sharing, catching a cab or driving from the centre, it'll take 20 minutes or so to get there, depending on the traffic.

  • Expect a journey time of about 55 minutes when using public transport.

  • Get your travels off to a stress-free start by staying near SEA. Whether you're catching an early flight from Seattle-Tacoma International Airport to Phoenix Sky Harbour International Airport or just don't like being rushed, these stays have you covered:

Arriving at Phoenix Sky Harbour International Airport (PHX)

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

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

  • Phoenix Sky Harbour International Airport is approximately 8 kilometres from central Phoenix. Driving there takes about 10 minutes.

  • When travelling by public transport, expect a journey time of around 35 minutes.

When to fly to Phoenix Sky Harbour International Airport (PHX)

  • The quietest month for a flight from Seattle-Tacoma International Airport to Phoenix Sky Harbour International Airport is May, while July is the most popular. Choose the ideal time to go to Phoenix based on whether you prefer a more relaxed vibe or a faster pace.

  • Lock in your flight from Seattle-Tacoma International Airport to Phoenix Sky Harbour International Airport for July if you'd like to explore Phoenix during its warmest month. Expect temperatures of between 26ºC (79ºF) and 44ºC (111ºF).

  • If you want cooler conditions, search for a cheap ticket from SEA to PHX in January. Temperatures average between 4ºC (39ºF) and 20ºC (68ºF) then.

Explore more of United States

  • San Diego is just one of the many cities in United States waiting to be explored once you've seen Phoenix. Around 483 kilometres away to the west, its top attractions include San Diego Zoo, USS Midway Museum and SeaWorld San Diego.

  • Las Vegas is another essential stop in United States and is around 418 kilometres north-west of Phoenix. No journey is complete without dropping by Las Vegas Strip, Fountains of Bellagio and Fremont Street Experience.

Plan the rest of your trip from Seattle to Phoenix

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