$28 Cheap Flights from Seattle (SEA) to Phoenix (PHX)

View $28 flight on Mon, Mar 30, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Phoenix Sky Harbor Intl. Airport (PHX)

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Cheap Flights from Seattle to Phoenix (SEA-PHX)

Prices were available within the past 7 days and start at $28 for one-way flights and $56 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Tue, Mar 31 - Thu, Apr 2
SEA
Seattle
PHX
Phoenix
$56 Roundtrip, just found
$56
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Mar 31 from Seattle to Phoenix, returning Thu, Apr 2, priced at $56 just found
Frontier Airlines
Mon, Mar 30 - Thu, Apr 2
SEA
Seattle
PHX
Phoenix
$66 Roundtrip, found 1 hour ago
$66
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Mon, Mar 30 from Seattle to Phoenix, returning Thu, Apr 2, priced at $66 found 1 hour ago
Frontier Airlines
Tue, Mar 24 - Sat, Apr 4
SEA
Seattle
PHX
Phoenix
$72 Roundtrip, found 5 hours ago
$72
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Tue, Mar 24 from Seattle to Phoenix, returning Sat, Apr 4, priced at $72 found 5 hours ago
Frontier Airlines
Sun, Mar 29 - Thu, Apr 2
SEA
Seattle
PHX
Phoenix
$82 Roundtrip, just found
$82
Roundtrip
just found
Select Frontier Airlines flight, departing Sun, Mar 29 from Seattle to Phoenix, returning Thu, Apr 2, priced at $82 just found
Frontier Airlines
Tue, Mar 24 - Thu, Mar 26
SEA
Seattle
PHX
Phoenix
$88 Roundtrip, just found
$88
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Mar 24 from Seattle to Phoenix, returning Thu, Mar 26, priced at $88 just found
Frontier Airlines
Tue, Mar 31 - Thu, Apr 2
SEA
Seattle
PHX
Phoenix
$97 Roundtrip, just found
$97
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Mar 31 from Seattle to Phoenix, returning Thu, Apr 2, priced at $97 just found
American Airlines
Sun, May 3 - Wed, May 6
SEA
Seattle
PHX
Phoenix
$97 Roundtrip, found 1 hour ago
$97
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Sun, May 3 from Seattle to Phoenix, returning Wed, May 6, priced at $97 found 1 hour ago
Alaska Airlines
Sun, May 3 - Wed, May 6
SEA
Seattle
PHX
Phoenix
$109 Roundtrip, found 1 hour ago
$109
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Sun, May 3 from Seattle to Phoenix, returning Wed, May 6, priced at $109 found 1 hour ago
Southwest Airlines
Tue, Apr 14 - Wed, Apr 22
SEA
Seattle
PHX
Phoenix
$117 Roundtrip, found 7 hours ago
$117
Roundtrip
found 7 hours ago
Select Southwest Airlines flight, departing Tue, Apr 14 from Seattle to Phoenix, returning Wed, Apr 22, priced at $117 found 7 hours ago
United
Wed, May 6 - Tue, May 12
SEA
Seattle
PHX
Phoenix
$237 Roundtrip, just found
$237
Roundtrip
just found
Select United flight, departing Wed, May 6 from Seattle to Phoenix, returning Tue, May 12, priced at $237 just found

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Alternative airports near Phoenix

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Sky Harbor Intl. PHX. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $88
PHX
Sky Harbor Intl.
CheapestClosest
Average driving time to city center10 min
Flights from $88

Frequently asked questions

How much does a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) cost?
You can find cheap one-way flights from $28 and cheap return flights from $56 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) with Expedia. One-way flights usually range from $80 to $1199, and return flights typically cost between $169 and $1660. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Seattle, WA (SEA-Seattle - Tacoma Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
January is the cheapest month to fly from Seattle (SEA) to Phoenix (PHX), with average round-trip fares around $196. This is about 21% lower than the average price throughout the year, as many travelers avoid flying during the post-holiday season. Other economical months to consider are September and October.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
4 airlines operate nonstop service from SEA to PHX:

  • American Airlines operates around 46 direct flights from SEA to PHX every week
  • Delta operates around 37 direct flights from SEA to PHX every week
  • Frontier Airlines operates around 10 direct flights from SEA to PHX every week
  • Hawaiian Airlines operates around 40 direct flights from SEA to PHX every week

What is the cheapest airline that flies from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
Alaska Airlines is one of the cheapest airlines offering connecting flights from Seattle, WA (SEA) to Phoenix, AZ (PHX), starting from around $159. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
The best airline to fly with from Seattle, WA (SEA) to Phoenix, AZ (PHX) will differ from traveler to traveler. If you like to fly early, WN offers early morning flights. If price is the most important factor, Frontier Airlines typically offers the lowest fares. WN offers the most daily flights from Seattle, WA (SEA) to Phoenix, AZ (PHX), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
The best time to fly from Seattle to Phoenix is typically in January or September. Return flights during these months average around $196, making them budget-friendly options. January offers a great escape from the winter chill, while September provides warm weather and fewer crowds.*Prices based on flights available on Expedia in the last year.
How many flights per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
There are approximately 16 nonstop flights per day from Seattle - Tacoma Intl. (SEA) to Sky Harbor Intl. (PHX). For more options, look at flights that include layovers.
What is the earliest flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
The earliest flight from Seattle (SEA) to Phoenix (PHX) typically leaves at around 12:05 AM, operated by American Airlines. This seasonal service is available in February and March, allowing you to arrive in Phoenix early and make the most of your day. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
The most popular departure times for flights from Seattle - Tacoma Intl. (SEA) to Phoenix Sky Harbor Intl. (PHX) are in the early morning, from 6am to 9am. About 23% of passengers prefer this time window. Many major carriers, including Alaska Airlines, United Airlines and Delta, offer flights during this window. This timing works well because it allows you to arrive in Phoenix with plenty of time to enjoy your day.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
Direct flights from SEA to PHX usually take about 3 hours, traveling roughly 1,107 miles. If you opt for a connecting flight, expect to add around 4 hours 30 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
Business class seats are offered on the SEA to PHX route with JetBlue Airways.First class cabins are available on:

  • American Airlines
  • United Airlines
  • Delta Air Lines
  • Hawaiian Airlines

How much is a business class flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
A direct, return business class ticket from Seattle (SEA) to Phoenix (PHX) typically costs between $959 - $1,382. A non-stop, one-way business class flight is usually around $494 - $697. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Seattle, WA (SEA-Seattle - Tacoma Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Phoenix from Seattle - Tacoma Intl. (SEA)?
If you're planning to travel to Phoenix from Seattle - Tacoma Intl. (SEA), you can fly into Sky Harbor Intl. (PHX) Some flights may connect through major hubs like Oakland Intl. (OAK), Sacramento Intl. (SMF), San Francisco Intl. (SFO) before reaching Phoenix. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) flight and hotel package?
Securing a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) Phoenix Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.)?
If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to Phoenix, AZ (PHX-Sky Harbor Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Sky Harbor Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, Sun Country Airlines, United
Roundtrip price
$56
Distance
1106 mi
Average flight time
2 hours 48 mins

Book with confidence

Seattle to Phoenix Flights

The cheapest times to fly from Seattle to Phoenix

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Phoenix are during the month of March. You can find some of the cheapest flights from Seattle to Phoenix with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Phoenix

Sunday is one of the best days to book for cheap flights from Seattle to Phoenix: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to Phoenix

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Phoenix in 2026. You can also book with separate airlines for your outbound and return journeys, from $28 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Phoenix flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Phoenix airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Seattle to Phoenix Flights

*Flight schedules are subject to change.

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*Available to One Key members.