$49 Cheap Flights from Seattle (SEA) to Phoenix (PHX)

View $49 flight on Sun, Nov 9, 2025Opens in a new window

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

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Today's featured flight deals from Seattle-Tacoma International Airport (SEA) to Phoenix Sky Harbor Intl. Airport (PHX)

Nonstop
Carry-on included
Lower price than typical

Cheap Flights from Seattle to Phoenix (SEA-PHX)

Prices were available within the past 7 days and start at $49 for one-way flights and $114 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, Sep 12 - Sun, Sep 14
SEA
Seattle
PHX
Phoenix
$114 Roundtrip, just found
$114
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Sep 12 from Seattle to Phoenix, returning Sun, Sep 14, priced at $114 just found
Frontier Airlines
Sun, Nov 9 - Fri, Nov 14
SEA
Seattle
PHX
Phoenix
$121 Roundtrip, found 2 hours ago
$121
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sun, Nov 9 from Seattle to Phoenix, returning Fri, Nov 14, priced at $121 found 2 hours ago
Alaska Airlines
Wed, Dec 10 - Tue, Dec 16
SEA
Seattle
PHX
Phoenix
$121 Roundtrip, found 3 days ago
$121
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Wed, Dec 10 from Seattle to Phoenix, returning Tue, Dec 16, priced at $121 found 3 days ago
Frontier Airlines
Thu, Oct 30 - Sun, Nov 2
SEA
Seattle
PHX
Phoenix
$125 Roundtrip, just found
$125
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Oct 30 from Seattle to Phoenix, returning Sun, Nov 2, priced at $125 just found
Southwest Airlines
Wed, Dec 10 - Tue, Dec 16
SEA
Seattle
PHX
Phoenix
$126 Roundtrip, found 3 days ago
$126
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Wed, Dec 10 from Seattle to Phoenix, returning Tue, Dec 16, priced at $126 found 3 days ago
Frontier Airlines
Sun, Nov 9 - Mon, Nov 17
SEA
Seattle
PHX
Phoenix
$127 Roundtrip, found 1 hour ago
$127
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sun, Nov 9 from Seattle to Phoenix, returning Mon, Nov 17, priced at $127 found 1 hour ago
Southwest Airlines
Tue, Oct 28 - Mon, Nov 10
SEA
Seattle
PHX
Phoenix
$128 Roundtrip, found 4 days ago
$128
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Tue, Oct 28 from Seattle to Phoenix, returning Mon, Nov 10, priced at $128 found 4 days ago
Frontier Airlines
Thu, Oct 30 - Sat, Dec 13
SEA
Seattle
PHX
Phoenix
$131 Roundtrip, found 2 days ago
$131
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Oct 30 from Seattle to Phoenix, returning Sat, Dec 13, priced at $131 found 2 days ago
Hawaiian Airlines
Wed, Dec 24 - Wed, Jan 7
SEA
Seattle
PHX
Phoenix
$147 Roundtrip, found 5 days ago
$147
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Wed, Dec 24 from Seattle to Phoenix, returning Wed, Jan 7, priced at $147 found 5 days ago
American Airlines
Wed, Oct 29 - Wed, Nov 12
SEA
Seattle
PHX
Phoenix
$159 Roundtrip, found 5 hours ago
$159
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Wed, Oct 29 from Seattle to Phoenix, returning Wed, Nov 12, priced at $159 found 5 hours ago

Find the cheapest month to fly from Seattle (SEA) to Phoenix (PHX)

January is typically the cheapest month to fly

From $48 - $212 per traveler.

Graph displaying average flight prices per month

Flights from Seattle (SEA) to Phoenix (PHX)
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
$101
Distance
1106 mi
Average flight time
2 hours 55 mins

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 September. 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 2025. You can also book with separate airlines for your outbound and return journeys, from $49 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.

 

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Sky Harbor Intl. Airport (PHX) cost?
Get a cheap one-way flight from $49 or cheap return flight from $114 from Seattle - Tacoma Intl. Airport (SEA) to Sky Harbor Intl. Airport (PHX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Sky Harbor Intl. Airport (PHX)?
The cheapest month to fly from SEA to PHX is September, when demand is low. Off-peak months are generally when you'll find lower airfares between these airports.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to Sky Harbor Intl. Airport (PHX)?
When leaving Seattle - Tacoma Intl. Airport (SEA), 5 carriers can take you straight to Sky Harbor Intl. Airport (PHX) without any stopovers, including:

  • Alaska Airlines
  • Delta Air Lines
  • American Airlines
  • Southwest Airlines
  • Frontier Airlines

What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Sky Harbor Intl. Airport (PHX)?
While prices may vary depending on when you travel, Frontier Airlines and Southwest Airlines are often among the top picks for flights between Seattle - Tacoma Intl. Airport (SEA) and Sky Harbor Intl. Airport (PHX). You can also compare airlines on Expedia and use the "Sort by" filter to find the cheapest fare for your SEA to PHX flight.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Sky Harbor Intl. Airport (PHX)?
Every day on average, 19 nonstop flights take off from Seattle - Tacoma Intl. Airport (SEA) to Sky Harbor Intl. Airport (PHX). Choose the departure date that best fits your itinerary.
What are the most popular departure times for flights from Seattle - Tacoma Intl. Airport (SEA) to Sky Harbor Intl. Airport (PHX)?
The 11 AM departures from SEA to PHX are the busiest. These flights can come with a higher price due to their popularity. If you want to save on your trip, pick a less crowded time to fly.
What day of the week has the most flights from SEA to PHX?
Depart on a Thursday if you're searching for the best selection of flights from Seattle - Tacoma Intl. Airport (SEA) to Sky Harbor Intl. Airport (PHX).
What is the earliest flight from Seattle - Tacoma Intl. Airport (SEA) to Sky Harbor Intl. Airport (PHX)?
The earliest flight jetting off from Seattle - Tacoma Intl. Airport (SEA) is at around 5:35AM UTC-8. Board this flight and you'll land at Sky Harbor Intl. Airport (PHX) at approximately 9:20AM UTC-7. The total time in the air is 2h 45m.
How long does it take to fly from Seattle - Tacoma Intl. Airport (SEA) to Sky Harbor Intl. Airport (PHX)?
It takes around 2 hours and 55 minutes to fly the 1,100 mi from SEA to PHX.
What airline has the least delays from SEA to PHX?
With 100% of flights usually landing on time, United Airlines has the best on-time performance for direct flights from Seattle - Tacoma Intl. Airport (SEA) to Sky Harbor Intl. Airport (PHX). To check your flight status and receive notifications if anything changes, use the Expedia App.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Sky Harbor Intl. Airport (PHX)?
To avoid potential delays on the Seattle - Tacoma Intl. Airport (SEA) to Sky Harbor Intl. Airport (PHX) route, travel before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Phoenix from Seattle - Tacoma Intl. Airport (SEA)?
Sky Harbor Intl. Airport (PHX) is the only airport in Phoenix with direct flights from Seattle - Tacoma Intl. Airport (SEA). Compare your options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Sky Harbor Intl. Airport (PHX) last-minute?
Booking your ticket from SEA to PHX just before your getaway is typically more expensive. But if there's some wiggle room with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a SEA to PHX flight and hotel package?
Compared with arranging hotels and flights separately, booking a SEA to PHX flight and hotel package with Expedia could result in significant savings. What's more, having everything in one easy place will take the stress out of travel planning. Just secure your flights and select from our extensive range of stays, then personalize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Sky Harbor Intl. Airport (PHX)?
Typically, you're able to cancel or reschedule your SEA to PHX flight. However, additional fees may apply, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you need further information, head to our Customer Service portal.

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*Available to One Key members.