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

AZA — SEA
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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1. Tell us where you want to go

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Cheap flight deals from Phoenix-Mesa Gateway to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix-Mesa Gateway (AZA) to Seattle (SEA). 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 October 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Popular in

November

Cheapest in

December

Average price

$161
Provider with most accurate pricing for Phoenix-Mesa Gateway-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Phoenix-Mesa Gateway-Seattle/Tacoma Intl flights.
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Highest demand for flights based on searches. 1% potential increase in price ($2 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Compare providers for flights from Phoenix-Mesa Gateway to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Phoenix-Mesa Gateway to Seattle in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Phoenix-Mesa Gateway Airport-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Phoenix-Mesa Gateway Airport-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Phoenix-Mesa Gateway Airport-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Phoenix-Mesa Gateway Airport-Seattle flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Phoenix-Mesa Gateway Airport-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Phoenix-Mesa Gateway to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Phoenix-Mesa Gateway 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 Phoenix-Mesa Gateway Airport to Seattle

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

Currently, December is the cheapest month in which you can book a flight from Phoenix-Mesa Gateway Airport to Seattle (average of $74). Flying from Phoenix-Mesa Gateway Airport to Seattle in March is currently the most expensive (average of $189). 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.

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

Find hourly flight availability from Phoenix-Mesa Gateway to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 27, 2025.

When flying from Phoenix-Mesa Gateway Airport to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 51% versus a flight in the morning.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated October 27, 2025.
Get a feel of what it's like to fly with Alaska Airlines and Frontier from Phoenix-Mesa Gateway Airport to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,194 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
11,194 reviews
Alaska Airlines
8.0
Very good
11,194 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Frontier
5.8
Fair
3,123 reviews
Alaska Airlines
8.0
Very good
11,194 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

Related info for your journey

Find useful and relevant information for your journey from Phoenix-Mesa Gateway to Seattle. 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 into for flights to Seattle from Phoenix-Mesa Gateway?

    If you book a flight to Seattle from Phoenix-Mesa Gateway, you will be flying to Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle. There are 0 flights from Phoenix-Mesa Gateway to Seattle/Tacoma Intl per day from 2 different airlines.

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

    Frontier, at $74, was found to be the cheapest airline from Phoenix-Mesa Gateway Airport to Seattle. An alternate airline flying to your destination would be Alaska Airlines. You may be able to fly from Phoenix-Mesa Gateway Airport to Seattle for 59% less than the average price by searching for these airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Phoenix-Mesa Gateway to Seattle 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 Phoenix-Mesa Gateway Airport to Seattle?

    Currently, December is the cheapest month in which you can book a flight from Phoenix-Mesa Gateway Airport to Seattle (average of $74). Flying from Phoenix-Mesa Gateway Airport to Seattle in March is currently the most expensive (average of $189). 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

Traveling to a place near Seattle?

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Top 2 airlines flying from Phoenix-Mesa Gateway to Seattle

Discover the top 2 airlines that operate flights from Phoenix-Mesa Gateway to Seattle. 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 October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$74Average$144FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$97Average$197FlexibilityNo cancel feeOn-time75%

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