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Phoenix-Mesa Gateway

$150+ Cheap flights from Seattle (SEA) to Phoenix-Mesa Gateway (AZA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — AZA
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Seattle to Phoenix-Mesa Gateway

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Phoenix-Mesa Gateway (AZA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 16, 2025.

Round-trip from

$452
(Kiwi.com)

One-way from

$150
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$210
From Seattle/Tacoma Intl to Phoenix-Mesa Gateway
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One-way flight from Seattle/Tacoma Intl to Phoenix-Mesa Gateway
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Highest demand for flights based on searches. 20% potential increase in price ($58 potential increase over avg. RT price).
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Cheapest flight prices on average. 16% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Seattle to Phoenix-Mesa Gateway

Cheapest flights from Seattle to Phoenix-Mesa Gateway
Explore the most affordable flight options available from Seattle to Phoenix-Mesa Gateway. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/86:06 pmSEA - AZA
1 stop21h 35mMultiple Airlines
Wed 10/1510:52 amAZA - SEA
2 stops44h 41mMultiple Airlines
Deal found 9/15$452
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/86:06 pmSEA - AZA
1 stop21h 35mSun Country Air
Wed 10/155:15 pmAZA - SEA
1 stop24h 10mSun Country Air
Deal found 9/15$493
This Mytrip deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:25 pmSEA - AZA
3 stops23h 05mMultiple Airlines
Sun 12/1410:03 amAZA - SEA
1 stop8h 06mMultiple Airlines
Deal found 9/15$575
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2011:59 pmSEA - AZA
1 stop16h 07mSun Country Air
Sat 1/310:41 amAZA - SEA
1 stop31h 31mSun Country Air
Deal found 9/16$605
This Mytrip deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/126:34 pmSEA - AZA
2 stops27h 52mMultiple Airlines
Wed 10/155:15 pmAZA - SEA
1 stop16h 40mMultiple Airlines
Deal found 9/15$712
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2011:59 pmSEA - AZA
1 stop16h 07mMultiple Airlines
Sat 1/36:10 amAZA - SEA
2 stops32h 31mMultiple Airlines
Deal found 9/16$757
This Mytrip deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/126:34 pmSEA - AZA
2 stops27h 52mMultiple Airlines
Thu 10/1612:29 pmAZA - SEA
3 stops28h 38mMultiple Airlines
Deal found 9/14$801
This Mytrip deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/116:28 pmSEA - AZA
3 stops27h 33mMultiple Airlines
Thu 10/1612:29 pmAZA - SEA
3 stops28h 38mMultiple Airlines
Deal found 9/15$962
This Mytrip deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/256:30 pmSEA - AZA
3 stops26h 56mMultiple Airlines
Sat 11/296:20 amAZA - SEA
2 stops27h 55mMultiple Airlines
Deal found 9/14$1,028

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Phoenix-Mesa Gateway that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Seattle to Phoenix-Mesa Gateway Airport that are best for you.

Fly from

Seattle

Fly to

Phoenix-Mesa Gateway

Route

Depart

Return

Price

SeattlePhoenix

SEA - AZA

SEAAZA

Seattle/Tacoma Intl

Wed 10/8

6:06 pm-3:41 pm

1 stop21h 35m

Phoenix-Mesa Gateway

Wed 10/15

5:15 pm-5:25 pm

1 stop24h 10m

$493

SeattlePhoenix

SEA - AZA

SEAAZA

Seattle/Tacoma Intl

Thu 12/11

6:25 pm-6:30 pm

3 stops23h 05m

Phoenix-Mesa Gateway

Sun 12/14

10:03 am-5:09 pm

1 stop8h 06m

$575

SeattlePhoenix

SEA - AZA

SEAAZA

Seattle/Tacoma Intl

Sun 10/12

6:34 pm-10:26 pm

2 stops27h 52m

Phoenix-Mesa Gateway

Wed 10/15

5:15 pm-9:55 am

1 stop16h 40m

$712

SeattlePhoenix

SEA - AZA

SEAAZA

Seattle/Tacoma Intl

Wed 10/8

6:06 pm-10:01 pm

3 stops27h 55m

Phoenix-Mesa Gateway

Wed 10/15

5:15 pm-9:55 am

1 stop16h 40m

$755

SeattlePhoenix

SEA - AZA

SEAAZA

Seattle/Tacoma Intl

Sun 10/12

6:34 pm-10:26 pm

2 stops27h 52m

Phoenix-Mesa Gateway

Thu 10/16

12:29 pm-5:07 pm

3 stops28h 38m

$801

SeattlePhoenix

SEA - AZA

SEAAZA

Seattle/Tacoma Intl

Sat 10/11

6:28 pm-10:01 pm

3 stops27h 33m

Phoenix-Mesa Gateway

Thu 10/16

12:29 pm-5:07 pm

3 stops28h 38m

$962

SeattlePhoenix

SEA - AZA

SEAAZA

Seattle/Tacoma Intl

Tue 11/25

6:30 pm-10:26 pm

3 stops26h 56m

Phoenix-Mesa Gateway

Sat 11/29

6:20 am-9:15 am

2 stops27h 55m

$1,028

SeattlePhoenix

SEA - AZA

SEAAZA

Seattle/Tacoma Intl

Tue 11/18

12:58 pm-4:38 pm

2 stops26h 40m

$155

SeattlePhoenix

SEA - AZA

SEAAZA

Seattle/Tacoma Intl

Sat 12/6

7:05 pm-11:26 pm

2 stops27h 21m

$166

SeattlePhoenix

SEA - AZA

SEAAZA

Seattle/Tacoma Intl

Thu 11/13

6:25 pm-5:06 pm

1 stop21h 41m

$171

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 17 results
1
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Best time to book a flight from Seattle to Phoenix-Mesa Gateway

Have a flexible travel schedule? Discover the best time to fly to Phoenix-Mesa Gateway from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Phoenix-Mesa Gateway Airport

What is the cheapest time of day to fly from SEA to AZA?

Find hourly flight availability from Seattle to Phoenix-Mesa Gateway. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

One of the essential ways to save on airfare from Seattle to Phoenix-Mesa Gateway Airport is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 55% on airfare.

Reviews of airlines servicing Phoenix-Mesa Gateway

Get insights into the airlines that provide service to Phoenix-Mesa Gateway. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Phoenix-Mesa Gateway. Reviews last updated September 16, 2025.
Read reviews from past customers who have flown Alaska Airlines and Frontier from Seattle to Phoenix-Mesa Gateway Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Frontier
5.8
Fair
3,174 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Phoenix-Mesa Gateway. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Phoenix-Mesa Gateway?

    Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Phoenix-Mesa Gateway. On average, Seattle/Tacoma Intl has 0 outbound flights to Phoenix-Mesa Gateway per day from 2 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

  • How long is the flight from Seattle to Phoenix-Mesa Gateway Airport?

    A quick flight from Seattle to Phoenix-Mesa Gateway Airport can take about 21h 35m. Sun Country Air provides one of the quickest options available for as low as $493. Airlines will cover a distance of 1123 mi.

  • What are the cheapest airlines flying from Seattle to Phoenix-Mesa Gateway Airport round-trip?

    Currently priced at $53, Frontier will fly you from Seattle to Phoenix-Mesa Gateway Airport and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Alaska Airlines for as low as $146. Users have found that Frontier is 77% cheaper than the other options available to this destination.

  • Can I find deals for flights from Seattle to Phoenix-Mesa Gateway that include hotel bookings?

    Yes. In addition to deals on Seattle to Phoenix-Mesa Gateway flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Phoenix-Mesa Gateway?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Phoenix-Mesa Gateway.

  • Can I find deals for business class flights from Seattle to Phoenix-Mesa Gateway?

    Yes. Cheapflights offers flight deals from Seattle to Phoenix-Mesa Gateway by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Phoenix-Mesa Gateway Airport?

    Currently, August is the cheapest month in which you can book a flight from Seattle to Phoenix-Mesa Gateway Airport (average of $144). Flying from Seattle to Phoenix-Mesa Gateway Airport in March is currently the most expensive (average of $316). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 2 airlines flying from Seattle to Phoenix-Mesa Gateway

Discover the top 2 airlines that operate flights from Seattle to Phoenix-Mesa Gateway. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$53Average$143FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$146Average$427FlexibilityNo cancel feeOn-time75%

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