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$78+ Cheap flights from Mesa, AZ to Seattle (SEA)

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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SEA
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Mesa to Seattle/Tacoma Intl are usually found in January or February, booked 63 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap flight deals from Mesa to Seattle

Keep the following information in mind while searching for Mesa to Seattle flight deals. Data was last updated September 17, 2025.

Round-trip from

$98
(Trip.com)

One-way from

$78
(Frontier)

Popular in

December

Cheapest in

January

Average price

$168
From Mesa to Seattle/Tacoma Intl
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One-way flight from Mesa to Seattle/Tacoma Intl
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($2 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 Mesa to Seattle

Cheapest flights from Mesa to Seattle
Explore the most affordable flight options available from Mesa to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:00 amPHX - SEA
Nonstop3h 18mFrontier
Mon 11/108:22 pmSEA - PHX
Nonstop3h 02mFrontier
Deal found 9/15$98
This Trip.com deal was found by Cheapflights users on 9/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/16:00 amPHX - SEA
Nonstop3h 18mFrontier
Sat 11/88:22 pmSEA - PHX
Nonstop3h 02mFrontier
Deal found 9/17$101
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/316:00 amPHX - SEA
Nonstop3h 18mFrontier
Mon 11/38:22 pmSEA - PHX
Nonstop3h 02mFrontier
Deal found 9/16$102
This Priceline deal was found by Cheapflights users on 9/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/96:00 amPHX - SEA
Nonstop3h 18mFrontier
Thu 11/138:22 pmSEA - PHX
Nonstop3h 02mFrontier
Deal found 9/17$103
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/156:00 amPHX - SEA
Nonstop3h 18mFrontier
Sat 11/158:22 pmSEA - PHX
Nonstop3h 02mFrontier
Deal found 9/16$104
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/245:53 pmPHX - SEA
Nonstop3h 15mFrontier
Sun 10/269:58 pmSEA - PHX
Nonstop2h 59mFrontier
Deal found 9/15$106
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.
Fri 12/122:30 pmPHX - SEA
Nonstop3h 21mFrontier
Mon 12/158:46 pmSEA - PHX
Nonstop2h 56mFrontier
Deal found 9/16$107
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:00 amPHX - SEA
Nonstop3h 18mFrontier
Sun 11/92:22 pmSEA - PHX
1 stop6h 22mFrontier
Deal found 9/16$109
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.
Thu 10/26:05 amPHX - SEA
Nonstop3h 15mFrontier
Mon 10/68:31 pmSEA - PHX
Nonstop2h 58mFrontier
Deal found 9/15$110
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/175:53 pmPHX - SEA
Nonstop3h 15mFrontier
Fri 10/2410:00 pmSEA - PHX
Nonstop2h 59mFrontier
Deal found 9/16$111
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/175:53 pmPHX - SEA
Nonstop3h 15mFrontier
Sun 10/199:58 pmSEA - PHX
Nonstop2h 59mFrontier
Deal found 9/16$112
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/175:53 pmPHX - SEA
Nonstop3h 15mFrontier
Mon 10/204:11 pmSEA - PHX
1 stop19h 48mFrontier
Deal found 9/15$114

Cheapflights Fare Finder

 
Customize your flight search to find flights from Mesa to Seattle 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 17, 2025.
Use the filters below to find and compare flights from Mesa to Seattle that are best for you.

Fly from

Mesa

Fly to

Seattle

Route

Depart

Return

Price

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Thu 10/16

1:45 pm-4:56 pm

Nonstop3h 11m

Seattle/Tacoma Intl

Sun 10/19

9:55 am-12:52 pm

Nonstop2h 57m

$133

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Fri 10/24

1:45 pm-4:56 pm

Nonstop3h 11m

Seattle/Tacoma Intl

Sun 10/26

9:55 am-12:52 pm

Nonstop2h 57m

$133

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Sat 10/11

7:05 am-10:20 am

Nonstop3h 15m

Seattle/Tacoma Intl

Wed 10/22

11:45 am-2:42 pm

Nonstop2h 57m

$136

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Thu 10/23

6:05 pm-12:05 am

1 stop6h 00m

Seattle/Tacoma Intl

Mon 10/27

6:45 pm-9:35 pm

Nonstop2h 50m

$143

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Sat 10/11

5:20 pm-10:05 pm

1 stop4h 45m

Seattle/Tacoma Intl

Wed 10/22

4:05 pm-6:55 pm

Nonstop2h 50m

$146

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Sat 11/15

5:10 am-9:45 am

1 stop5h 35m

Seattle/Tacoma Intl

Mon 11/24

3:05 pm-10:40 pm

1 stop6h 35m

$175

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Tue 11/25

8:00 am-10:20 am

Nonstop3h 20m

Seattle/Tacoma Intl

Tue 12/2

11:45 am-3:42 pm

Nonstop2h 57m

$179

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Tue 10/21

1:45 pm-4:56 pm

Nonstop3h 11m

Seattle/Tacoma Intl

Sat 10/25

9:55 am-12:52 pm

Nonstop2h 57m

$179

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Tue 11/25

8:00 am-10:20 am

Nonstop3h 20m

Seattle/Tacoma Intl

Sat 11/29

7:10 am-11:07 am

Nonstop2h 57m

$179

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Fri 11/7

8:06 pm-10:25 pm

Nonstop3h 19m

Seattle/Tacoma Intl

Tue 11/11

9:45 am-1:46 pm

Nonstop3h 01m

$183

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 23 results
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Best time to book a flight from Mesa to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Mesa 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 Mesa to Seattle

How far ahead should I book a flight from Mesa to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Mesa to Seattle. Price data was last updated on September 12, 2025.

The price you pay for your flight from Mesa to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 63 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Mesa to Seattle?

Currently, January is the cheapest month in which you can book a flight from Mesa to Seattle (average of $238). Flying from Mesa to Seattle in June is currently the most expensive (average of $387). 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 MS9 to SEA?

Find hourly flight availability from Mesa 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 September 17, 2025.

When flying from Mesa to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Mesa to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Mesa to Seattle. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Mesa to Seattle flight should consider departing on Thursday at noon when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Mesa to Seattle

Explore weekly flight availability from Mesa to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 17, 2025.

The most flights from MS9 to SEA are scheduled on a Monday (52 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (26 on average).

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 September 17, 2025.
Read through reviews of airlines operating flights from Mesa to Seattle, such as Alaska Airlines, Southwest, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Southwest
8.0
Very good
4,242 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Delta
8.0
Very good
7,961 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Hawaiian Airlines
7.8
Good
2,729 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

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
3,173 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

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 Mesa 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 Mesa?

    For a flight from Mesa to Seattle, you will be flying into Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 37 inbound flights from Mesa per day. 6 airlines have flights to Seattle/Tacoma Intl from Mesa on a regular basis.

  • How long is the flight from Mesa to Seattle?

    Delta and Southwest can get you from Mesa to Seattle in just under 3h 11m. Your travel time can differ by up to 2h 49m. Airlines will cover a distance of 1107 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most reliable airlines from Mesa to Seattle?

    No one likes to see their flight delayed. When booking a flight from Mesa to Seattle consider choosing WestJet (95%), Frontier (91%) or Delta (91%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Mesa to Seattle?

    While on average a flight from Mesa to Seattle is generally $778, our data shows the cheapest flight currently is $79. When looking at the most popular route, (Phoenix Sky Harbor Intl - Seattle/Tacoma Intl), you can expect to pay $101 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Mesa 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 Mesa to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Mesa to Seattle (average of $238). Flying from Mesa to Seattle in June is currently the most expensive (average of $387). 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?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Lacey
Olympia
Kent
Federal Way
Cle Elum
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline

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Alternative routes for Mesa to Seattle

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Top 6 airlines flying from Mesa to Seattle

Discover the top 6 airlines that operate flights from Mesa 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$53Average$158FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$88Average$193FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$97Average$219FlexibilityNo cancel feeOn-time75%
DeltaCheapest$98Average$201FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$106Average$209FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$143Average$280FlexibilityNo cancel feeOn-time71%

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