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Cheap Flights from Seattle to Phoenix Sky Harbor

Compare Seattle to Phoenix Sky Harbor flight deals

Find the cheapest month or even day of the year to fly to Phoenix Sky Harbor

Book the best Phoenix Sky Harbor fare with no extra fees

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.
Phoenix.Rs15,484 per passenger.Departing Sun, 9 Nov.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Seattle / Tacoma International on Sun, 9 Nov, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From Rs15,484, select.
Phoenix.Rs19,010 per passenger.Departing Fri, 5 Sep.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Seattle / Tacoma International on Fri, 5 Sep, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From Rs19,010, select.
Phoenix.Rs19,107 per passenger.Departing Sun, 12 Oct.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Seattle / Tacoma International on Sun, 12 Oct, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From Rs19,107, select.
Phoenix.Rs21,745 per passenger.Departing Thu, 28 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Thu, 28 Aug, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From Rs21,745, select.
Phoenix.Rs21,968 per passenger.Departing Tue, 17 Feb.One-way flight with Hawaiian Airlines.Outbound direct flight with Hawaiian Airlines departs from Seattle / Tacoma International on Tue, 17 Feb, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From Rs21,968, select.
Phoenix.Rs22,556 per passenger.Departing Tue, 6 Jan.One-way flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Tue, 6 Jan, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From Rs22,556, select.
Phoenix.Rs22,673 per passenger.Departing Tue, 16 Dec.One-way flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Tue, 16 Dec, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From Rs22,673, select.
Phoenix.Rs22,796 per passenger.Departing Tue, 23 Jun.One-way flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Tue, 23 Jun, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From Rs22,796, select.

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 November.
Aug
from Rs21,745
Sep
from Rs19,010
Oct
from Rs19,107
Nov
from Rs15,484
Dec
from Rs22,673
Jan
from Rs22,556
Feb
from Rs21,968
Mar
Find prices
Apr
Find prices
May
from Rs23,817
Jun
from Rs22,796
Jul
Find prices

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 foundRs15,484
Cheapest month to flyNovember
Average flight time2 hrs, 58 mins
Most popular airlineAlaska Airlines
Average flights per week495

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 Rs35,183. 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.
Alaska Airlines, Hawaiian Airlines and American Airlines fly direct from Seattle to Phoenix Sky Harbor.
As of August 2025, there are 495 flights per week flying from Seattle to Phoenix Sky Harbor.
The cheapest month to fly from Seattle to Phoenix Sky Harbor is usually September.
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 Friday, 5 September 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

  • Your boarding pass to adventure starts at Seattle's main airport, Seattle-Tacoma International Airport (SEA). Check out the options for catching a flight from Seattle to Phoenix Sky Harbour International Airport (PHX) leaving from this terminal.

  • The average length of a direct Seattle to Phoenix Sky Harbour International Airport flight is 3 hours.

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

  • The busiest route is from Seattle-Tacoma International Airport (SEA) to Phoenix Sky Harbour International Airport (PHX), with 132 direct services every week. If you're eager to be on your way, the earliest flight from SEA to PHX is the 5am Southwest Airlines option. If a later flight fits your day better, the last departure is at 9:42pm with Frontier Airlines.

  • Leave plenty of time to make your flight from Seattle to PHX. As a rule of thumb, arrive two hours before international departures and an hour ahead for domestic flights.

  • In high season, expect extended wait times and get there earlier. Aim for at least two hours ahead for domestic flights and as much as four hours for international trips.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • You can book a direct flight from Seattle to Phoenix Sky Harbour International Airport (PHX) out of Seattle-Tacoma International Airport (SEA).

  • These are some of the well-known airlines operating direct flights from Seattle to Phoenix Sky Harbour International Airport departing from SEA:

  • Alaska Airlines is the airline most travellers choose for flights from SEA to PHX.

  • Delta Air Lines is the most consistent performer for punctuality on this route.

  • Travelling from central Seattle to SEA takes about 55 minutes by public transport. If you drive, ride-share or take a cab, you'll cover the 23 kilometres in 20 minutes or so, depending on traffic conditions.

  • Looking for a convenient hotel near Seattle-Tacoma International Airport? If you've booked an early flight from Seattle to Phoenix Sky Harbour International Airport, these stays will have you sleeping moments from check-in:

  • 81.27% of flights departing from Seattle-Tacoma International Airport arrive at their destination on time. Given its strong on-time stats, delays are unlikely when setting off from SEA.

Lake Union Sea Plane Base Airport (LKE)

  • With public transport, you can travel from central Seattle to LKE in about 25 minutes. The terminal is roughly 3 kilometres away, and making the journey by car will take approximately 10 minutes.

  • Start your holiday sooner with an extra night away from home. Before catching your Seattle to PHX flight, unwind in one of these hotels near Lake Union Sea Plane Base Airport:

About Phoenix Sky Harbour International Airport (PHX)

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

  • Phoenix Sky Harbour International Airport to the centre of Phoenix is roughly 6 kilometres. If you're taking a cab or renting a car, do a little research to make your trip as smooth as possible. Journey times may vary based on traffic conditions and the time of day.

  • Travelling on public transport will take you roughly 35 minutes.

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

  • At the moment, Rs15,484 is the lowest price we've found for a one-way ticket from Seattle to Phoenix Sky Harbour International Airport. The cheapest price for a return flight is Rs35,183. Remember fares may change due to availability at the time of booking.

  • Don't leave things to the last moment. You're more likely to walk away with cheap flights from Seattle to PHX if you book in advance. Airlines often have some great early bird discounts.

  • Affordable Seattle to Phoenix Sky Harbour International Airport tickets are easier to find when your dates are flexible. Use the 'Whole month' tool to compare fares across every month and then choose the cheapest day.

  • Save time looking for cheap flight tickets from Seattle to PHX by creating a Price Alert. We'll send you an email or push notification on the app when a lower fare pops up.

  • Find a cheap flight from Seattle to Phoenix Sky Harbour International Airport by using filters. Choose your ideal times, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

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

  • July is the busiest month for flights from Seattle to Phoenix Sky Harbour International Airport (PHX). Plan your visit to Phoenix in May if you'd rather be there when it's quieter.

  • When booking your Seattle to PHX flight ticket, consider what kind of weather works for you. July is the warmest month in Phoenix, with temperatures ranging from 26ºC to 44ºC.

  • January sees temperatures of between 4ºC and 20ºC. Look for cheap tickets from Seattle to Phoenix Sky Harbour International Airport around that time if you like cooler conditions.

More about Phoenix

  • When it comes to looking for somewhere to lay your head, you'll find the best places to stay in Phoenix right here. Browse these hotels after locking in your flight from Seattle to Phoenix Sky Harbour International Airport:

  • Your visit to Phoenix won't be complete without checking out the sights. Leading attractions you can't miss include Camelback Mountain, Cholla Trailhead Camelback Mountain and Yayoi Kusama Fireflies Infinity Mirror Room.

Explore more of the United States

  • Phoenix is easy to fall in love with, but there are so many other parts of the United States just waiting to be discovered. About 161 kilometres south-east of Phoenix, a visit to Tucson will keep your itinerary busy. Start with attractions like Saguaro National Park East Unit, Airplane Boneyard and National Parks Conservation.

  • Around 257 kilometres west of Phoenix, Yuma is another essential stop in the United States. Experience this destination's highlights firsthand at Old Victorian Yuma, Yuma Crossing National Heritage Area and Downtown Yuma.

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.