$59+ 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 3/27. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Mesa to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Mesa to Seattle
Cheapest flights from Mesa to SeattleExplore 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 January 21, 2026.
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 January 21, 2026.
This CheapOair deal was found by Cheapflights users on 1/20. 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.
This Delta deal was found by Cheapflights users on 1/21. 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.
This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
This Kiwi.com deal was found by Cheapflights users on 1/20. 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.
This Trip.com deal was found by Cheapflights users on 1/21. 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.
This Kiwi.com deal was found by Cheapflights users on 1/20. 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.
This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
This Southwest deal was found by Cheapflights users on 1/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Frontier deal was found by Cheapflights users on 1/20. 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.
This Kiwi.com deal was found by Cheapflights users on 1/19. 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.
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 January 21, 2026.
Round-trip from | $93 (CheapOair) |
|---|---|
One-way from | $59 (Southwest) |
Popular in | December |
Cheapest in | January |
Average price | $157 |
Cheapflights Fare Finder
Use the filters below to find and compare flights from Mesa to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Thu 3/12
10:40 pm-1:40 am
Nonstop3h 00m
Seattle/Tacoma Intl
Mon 3/16
7:50 am-10:40 am
Nonstop2h 50m
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Wed 3/4
6:05 am-8:22 am
Nonstop3h 17m
Seattle/Tacoma Intl
Sun 3/8
6:45 pm-9:30 pm
Nonstop2h 45m
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Tue 2/24
11:20 am-3:40 pm
1 stop5h 20m
Seattle/Tacoma Intl
Wed 3/4
5:15 am-9:00 am
Nonstop2h 45m
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Wed 3/4
8:56 pm-11:12 pm
Nonstop3h 16m
Seattle/Tacoma Intl
Sun 3/8
5:06 pm-8:00 pm
Nonstop2h 54m
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Wed 2/18
3:50 pm-9:50 pm
1 stop7h 00m
Seattle/Tacoma Intl
Sun 2/22
6:25 pm-10:15 pm
Nonstop2h 50m
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Tue 3/10
5:00 am-8:14 am
Nonstop3h 14m
Seattle/Tacoma Intl
Sat 3/14
7:03 pm-9:55 pm
Nonstop2h 52m
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Fri 3/20
6:00 am-9:13 am
Nonstop3h 13m
Seattle/Tacoma Intl
Mon 4/6
8:59 pm-11:52 pm
Nonstop2h 53m
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Wed 3/11
6:25 pm-12:20 am
1 stop5h 55m
Seattle/Tacoma Intl
Mon 3/16
7:50 am-10:40 am
Nonstop2h 50m
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Sat 3/14
10:25 pm-1:25 am
Nonstop3h 00m
Seattle/Tacoma Intl
Wed 3/18
9:25 am-5:45 pm
1 stop8h 20m
PhoenixSeattle
PHX - SEA
PHXSEA
Phoenix Sky Harbor Intl
Fri 3/13
5:35 pm-8:44 pm
Nonstop3h 09m
Seattle/Tacoma Intl
Sun 3/22
8:59 pm-11:58 pm
Nonstop2h 59m
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.
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 January 16, 2026.
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 62 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 $39). Flying from Mesa to Seattle in July is currently the most expensive (average of $88). 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 January 21, 2026.
It’s optimal to fly from Mesa to Seattle at noon. By choosing this option you can save up to 38% 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 January 17, 2026.
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. Tuesday afternoons 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 January 21, 2026.
The most flights from MS9 to SEA are scheduled on a Monday (63 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 January 21, 2026.
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.
Overall
Comfort
Crew
Entertainment
Food
Boarding
Reviews
Anonymous,Dec 2025
SJC - SEA
Overall
Comfort
Crew
Entertainment
Food
Boarding
Reviews
Anonymous,Dec 2025
SJC - SEA
Overall
Comfort
Crew
Entertainment
Food
Boarding
Reviews
Anonymous,Dec 2025
SJC - SEA
Overall
Comfort
Crew
Entertainment
Food
Boarding
Reviews
Anonymous,Dec 2025
SJC - SEA
Overall
Comfort
Crew
Entertainment
Food
Boarding
Reviews
Anonymous,Dec 2025
SJC - SEA
Overall
Comfort
Crew
Entertainment
Food
Boarding
Reviews
Anonymous,Dec 2025
SJC - SEA
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.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsBrowse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Mesa to Seattle
See prices for flight routes from nearby airports that may be better suited for you.
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 January 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$51 | Average$149 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$83 | Average$188 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$97 | Average$214 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$97 | Average$195 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$116 | Average$207 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$117 | Average$275 | FlexibilityNo cancel fee | On-time71% |