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$48+ 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SEA
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
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 83 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap 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 December 4, 2025.

This Super.com deal was found by Cheapflights users on 12/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/224:33 pmPHX - SEA
Nonstop3h 20mFrontier
Sat 1/36:12 pmSEA - PHX
Nonstop3h 00mFrontier
Deal found 12/2$95
This Frontier deal was found by Cheapflights users on 12/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/121:42 pmPHX - SEA
Nonstop3h 19mFrontier
Sat 1/1012:40 pmSEA - PHX
Nonstop3h 04mFrontier
Deal found 12/2$98
This CheapOair deal was found by Cheapflights users on 12/3. 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 12/121:42 pmPHX - SEA
Nonstop3h 19mFrontier
Sat 12/135:21 pmSEA - PHX
Nonstop2h 59mFrontier
Deal found 12/3$99
This Frontier deal was found by Cheapflights users on 12/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/203:00 pmPHX - SEA
Nonstop3h 17mFrontier
Mon 1/57:48 pmSEA - PHX
Nonstop3h 02mFrontier
Deal found 12/2$100
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 12/1010:05 amPHX - SEA
2 stops25h 01mFrontier
Sat 12/135:21 pmSEA - PHX
Nonstop2h 59mFrontier
Deal found 12/2$101
This Super.com deal was found by Cheapflights users on 12/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/121:42 pmPHX - SEA
Nonstop3h 19mFrontier
Mon 1/57:48 pmSEA - PHX
Nonstop3h 02mFrontier
Deal found 12/2$102
This Alaska Airlines deal was found by Cheapflights users on 12/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:06 amPHX - SEA
Nonstop3h 19mAlaska Airlines
Tue 1/68:05 pmSEA - PHX
Nonstop2h 54mAlaska Airlines
Deal found 12/3$104
This Frontier deal was found by Cheapflights users on 12/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:00 amPHX - SEA
1 stop8h 54mFrontier
Sat 1/1012:40 pmSEA - PHX
Nonstop3h 04mFrontier
Deal found 12/3$106
This Delta deal was found by Cheapflights users on 12/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2512:25 pmPHX - SEA
Nonstop3h 20mDelta
Thu 1/87:10 amSEA - PHX
Nonstop2h 58mDelta
Deal found 12/3$107
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 12/247:10 pmPHX - SEA
Nonstop3h 20mMultiple Airlines
Fri 1/27:48 pmSEA - PHX
Nonstop3h 02mMultiple Airlines
Deal found 12/2$108
This Frontier deal was found by Cheapflights users on 12/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/203:00 pmPHX - SEA
Nonstop3h 17mFrontier
Fri 1/27:48 pmSEA - PHX
Nonstop3h 02mFrontier
Deal found 12/2$110

Find flight deals from Mesa to Seattle

Keep the following information in mind while searching for Mesa to Seattle flight deals. Data was last updated December 4, 2025.

Round-trip from

$91
(Alaska Airlines)

One-way from

$48
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$212
From Mesa to Seattle/Tacoma Intl
Search Deals
One-way flight from Mesa to Seattle/Tacoma Intl
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 December 4, 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

Sat 2/28

6:00 am-8:16 am

Nonstop3h 16m

Seattle/Tacoma Intl

Mon 3/2

8:03 pm-11:59 pm

Nonstop2h 56m

$91

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Thu 1/29

7:35 pm-9:53 pm

Nonstop3h 18m

Seattle/Tacoma Intl

Mon 2/2

5:06 pm-8:55 pm

Nonstop2h 49m

$91

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Wed 1/7

7:00 am-9:18 am

Nonstop3h 18m

Seattle/Tacoma Intl

Sun 1/11

8:07 pm-11:59 pm

Nonstop2h 52m

$94

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Fri 2/6

9:00 am-11:19 am

Nonstop3h 19m

Seattle/Tacoma Intl

Mon 2/9

5:06 pm-8:55 pm

Nonstop2h 49m

$94

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Tue 1/6

6:31 pm-8:49 pm

Nonstop3h 18m

Seattle/Tacoma Intl

Fri 1/9

7:55 pm-11:54 pm

Nonstop2h 59m

$97

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Fri 1/23

4:42 pm-6:55 pm

Nonstop3h 13m

Seattle/Tacoma Intl

Sun 1/25

11:50 am-3:45 pm

Nonstop2h 55m

$97

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Mon 2/2

4:42 pm-6:55 pm

Nonstop3h 13m

Seattle/Tacoma Intl

Tue 2/3

9:55 am-1:50 pm

Nonstop2h 55m

$97

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Wed 1/21

4:25 pm-10:35 pm

1 stop7h 10m

Seattle/Tacoma Intl

Thu 1/22

5:15 am-9:00 am

Nonstop2h 45m

$110

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Mon 12/29

1:02 pm-3:21 pm

Nonstop3h 19m

Seattle/Tacoma Intl

Sat 1/3

8:05 pm-11:59 pm

Nonstop2h 54m

$137

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Thu 1/29

10:35 am-5:50 pm

1 stop8h 15m

Seattle/Tacoma Intl

Thu 2/5

5:00 am-8:45 am

Nonstop2h 45m

$139

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

Showing 1-10 of 20 results
1
2

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 November 28, 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 83 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, February is the cheapest month in which you can book a flight from Mesa to Seattle (average of $38). Flying from Mesa to Seattle in July is currently the most expensive (average of $89). 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 December 4, 2025.

It’s optimal to fly from Mesa to Seattle at noon. By choosing this option you can save up to 43% on the cost of your flight, compared to a flight in the evening.

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 Saturday evenings when fares are most often at their lowest. Wednesday 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 December 4, 2025.

The most flights from MS9 to SEA are scheduled on a Thursday (60 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (27 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 December 4, 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
11,402 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Alaska Airlines
8.0
Very good
11,402 reviews
Alaska Airlines
8.0
Very good
11,402 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Southwest
8.0
Very good
4,250 reviews
Alaska Airlines
8.0
Very good
11,402 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Delta
7.9
Good
8,011 reviews
Alaska Airlines
8.0
Very good
11,402 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Hawaiian Airlines
7.8
Good
2,817 reviews
Alaska Airlines
8.0
Very good
11,402 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Frontier
5.8
Fair
3,090 reviews
Alaska Airlines
8.0
Very good
11,402 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.

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?

    Alaska Airlines and Delta can get you from Mesa to Seattle in just under 3h 16m. Your travel time will be generally consistent. Airlines will cover a distance of 1107 mi. Most flights are nonstop.

  • What are the cheapest airlines to fly from Mesa to Seattle one-way?

    The cheapest airlines for a one-way flight from Mesa to Seattle are Frontier ($31), Spirit Airlines ($51), and Southwest ($58).

  • 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 (89%), Korean Air (89%) or Air France (88%) 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 $669, our data shows the cheapest flight currently is $38. When looking at the most popular route, (Phoenix Sky Harbor Intl - Seattle/Tacoma Intl), you can expect to pay $74 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, February is the cheapest month in which you can book a flight from Mesa to Seattle (average of $38). Flying from Mesa to Seattle in July is currently the most expensive (average of $89). 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
Tacoma
SeaTac
Lakewood
Olympia
Ocean Shores
Edmonds
Lynnwood
Renton
Puyallup
Kirkland
Kent
Tukwila
Cle Elum
Marysville
Leavenworth
Fife
Aberdeen
Shoreline
Centralia
Federal Way

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See prices for flight routes from nearby airports that may be better suited for you.
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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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$53Average$151FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$84Average$196FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$97Average$217FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$103Average$208FlexibilityNo cancel feeOn-time63%
DeltaCheapest$104Average$201FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$137Average$278FlexibilityNo cancel feeOn-time71%

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