$139+ Cheap flights from Missoula to Seattle (MSO - SEA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — SEA
Nov 18 — Nov 251
Round-trip
1 adult, Economy
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Find cheap flights from Missoula 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.Cheapflights Tip: The best prices from Missoula Johnson-Bell Field to Seattle/Tacoma Intl are usually found in January or February, booked 64 days in advance, depart on a Wednesday or Friday and return on a Sunday
Cheap flight deals from Missoula to Seattle
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Best
Last-minute
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Cheapest flights from Missoula to SeattleExplore the most affordable flight options available from Missoula to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 19, 2026.
Explore the most affordable flight options available from Missoula to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 19, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/51:03 pm -
2 stops21h 57m
Sun 12/61:35 pm -
Nonstop1h 25m
Deal found 10/17![Alaska Airlines logo]()
$247
This flugladen.de deal was found by Cheapflights users on 10/19. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/22:03 pm -
Nonstop1h 48m
Wed 12/98:55 pm -
Nonstop1h 24m
Deal found 10/19![Alaska Airlines logo]()
$251
This Alaska Airlines deal was found by Cheapflights users on 10/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/14:50 pm -
Nonstop1h 49m
Sat 12/51:35 pm -
Nonstop1h 25m
Deal found 10/16![Alaska Airlines logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 10/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:22 am -
Nonstop1h 58m
Wed 12/21:35 pm -
Nonstop1h 25m
Deal found 10/19![Alaska Airlines logo]()
$262
This Alaska Airlines deal was found by Cheapflights users on 10/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/104:50 pm -
Nonstop1h 49m
Mon 12/141:35 pm -
Nonstop1h 25m
Deal found 10/19![Alaska Airlines logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 10/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/51:03 pm -
1 stop6h 31m
Mon 12/79:50 am -
Nonstop1h 33m
Deal found 10/19![Alaska Airlines logo]()
$272
This Delta deal was found by Cheapflights users on 10/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:25 pm -
1 stop6h 40m
Sat 12/55:30 am -
1 stop6h 09m
Deal found 10/16![Delta logo]()
$277
This Delta deal was found by Cheapflights users on 10/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/267:00 am -
1 stop6h 40m
Wed 12/25:57 pm -
1 stop5h 40m
Deal found 10/16![Delta logo]()
$282
This Delta deal was found by Cheapflights users on 10/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:25 pm -
1 stop6h 40m
Mon 12/75:30 am -
1 stop6h 09m
Deal found 10/19![Delta logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:03 am -
Nonstop1h 41m
Sat 11/148:45 am -
1 stop3h 37m
Deal found 10/15![Alaska Airlines logo]()
$291
This Priceline deal was found by Cheapflights users on 10/17. 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.
Tue 11/174:21 pm -
Nonstop1h 41m
Wed 11/188:45 am -
1 stop3h 37m
Deal found 10/17![Alaska Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 10/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:25 am -
1 stop4h 55m
Sun 12/65:57 pm -
1 stop5h 40m
Deal found 10/19![Delta logo]()
$308
Best flights from Missoula to SeattleDiscover carefully curated flight deals from Missoula to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
Discover carefully curated flight deals from Missoula to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/104:50 pm -
Nonstop1h 49m
Mon 12/141:35 pm -
Nonstop1h 25m
Deal found 10/19![Alaska Airlines logo]()
$267
This Delta deal was found by Cheapflights users on 10/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/25:40 am -
1 stop4h 53m
Fri 2/55:45 pm -
1 stop5h 46m
Deal found 10/19![Delta logo]()
$282
This Delta deal was found by Cheapflights users on 10/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/101:19 pm -
1 stop4h 40m
Mon 12/145:57 pm -
1 stop5h 35m
Deal found 10/17![Delta logo]()
$313
This Alaska Airlines deal was found by Cheapflights users on 10/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/131:02 pm -
2 stops22h 50m
Sat 11/1412:57 pm -
Nonstop1h 34m
Deal found 10/19![Alaska Airlines logo]()
$319
This Alaska Airlines deal was found by Cheapflights users on 10/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/252:05 pm -
Nonstop1h 45m
Mon 11/3012:29 pm -
Nonstop1h 33m
Deal found 10/19![Alaska Airlines logo]()
$342
This Alaska Airlines deal was found by Cheapflights users on 10/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/186:40 am -
Nonstop1h 35m
Fri 2/2612:52 pm -
Nonstop1h 31m
Deal found 10/16![Alaska Airlines logo]()
$347
Last-minute flights from Missoula to SeattleDiscover last-minute flight deals from Missoula to Seattle. Data last updated October 19, 2026 and is based on user searches.
Discover last-minute flight deals from Missoula to Seattle. Data last updated October 19, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 10/18. 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.
Fri 11/131:02 pm -
2 stops22h 50m
Sat 11/1412:57 pm -
Nonstop1h 34m
Deal found 10/18![Alaska Airlines logo]()
$319
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:03 am -
Nonstop1h 41m
Sat 11/148:45 am -
1 stop3h 37m
Deal found 10/15![Alaska Airlines logo]()
$291
This Delta deal was found by Cheapflights users on 10/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/175:30 am -
1 stop4h 37m
Wed 11/185:59 pm -
1 stop5h 21m
Deal found 10/17![Delta logo]()
$277
This Priceline deal was found by Cheapflights users on 10/17. 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.
Tue 11/174:21 pm -
Nonstop1h 41m
Wed 11/188:45 am -
1 stop3h 37m
Deal found 10/17![Alaska Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 10/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:18 pm -
1 stop6h 41m
Tue 12/85:57 pm -
1 stop5h 40m
Deal found 10/19![Delta logo]()
$332
This Alaska Airlines deal was found by Cheapflights users on 10/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:22 am -
Nonstop1h 58m
Wed 12/98:45 am -
1 stop3h 38m
Deal found 10/19![Alaska Airlines logo]()
$272
This Priceline deal was found by Cheapflights users on 10/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:22 am -
Nonstop1h 58m
Mon 11/3012:29 pm -
Nonstop1h 33m
Deal found 10/16![Alaska Airlines logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 10/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:22 am -
Nonstop1h 58m
Wed 12/21:35 pm -
Nonstop1h 25m
Deal found 10/19![Alaska Airlines logo]()
$262
This Delta deal was found by Cheapflights users on 10/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/267:00 am -
1 stop6h 40m
Wed 12/25:57 pm -
1 stop5h 40m
Deal found 10/16![Delta logo]()
$282
This Alaska Airlines deal was found by Cheapflights users on 10/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/304:00 pm -
Nonstop1h 44m
Sun 12/61:35 pm -
Nonstop1h 25m
Deal found 10/19![Alaska Airlines logo]()
$267
One-way flights from Missoula to SeattleSearch for one-way flight options from Missoula to Seattle. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
Search for one-way flight options from Missoula to Seattle. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
This Delta deal was found by Cheapflights users on 10/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/196:10 pm -
1 stop7h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Delta logo]()
$139
This Delta deal was found by Cheapflights users on 10/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/86:10 pm -
1 stop5h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Delta logo]()
$144
This Alaska Airlines deal was found by Cheapflights users on 10/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/194:22 pm -
Nonstop1h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Alaska Airlines logo]()
$159
This Alaska Airlines deal was found by Cheapflights users on 10/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/82:02 pm -
Nonstop1h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Alaska Airlines logo]()
$164
This Trip.com deal was found by Cheapflights users on 10/15. 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.
Sun 11/159:07 pm -
2 stops46h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Multiple Airlines logo]()
$197
This Orbitz deal was found by Cheapflights users on 10/17. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/72:02 pm -
Nonstop1h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Alaska Airlines logo]()
$214
This Delta deal was found by Cheapflights users on 10/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/71:14 pm -
1 stop6h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Delta logo]()
$224
This deal was found by Cheapflights users on 10/17. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/12:02 pm -
Nonstop1h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Alaska Airlines logo]()
$244
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/141:02 pm -
2 stops9h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Alaska Airlines logo]()
$253
This Alaska Airlines deal was found by Cheapflights users on 10/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/131:02 pm -
2 stops22h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Alaska Airlines logo]()
$258
This Alaska Airlines deal was found by Cheapflights users on 10/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/181:02 pm -
2 stops20h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Alaska Airlines logo]()
$264
Find flight deals from Missoula to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Missoula (MSO) 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 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $247 (Alaska Airlines) |
One-way from | $139 (Delta) |
Popular in | July |
Cheapest in | January |
Average price | $362 |
Good round-trip deal | $486 or less |
Good one-way deal | $275 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Missoula 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 7,457,451 searches. Data last updated October 19, 2026.
Use the filters below to find and compare flights from Missoula to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MissoulaSeattle
MSO Missoula Johnson-Bell Field - SEA Seattle/Tacoma Intl
MSOSEA
Missoula Johnson-Bell Field
Tue 1/19
6:10 pm-12:11 am
1 stop7h 01m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$139
MissoulaSeattle
MSO Missoula Johnson-Bell Field - SEA Seattle/Tacoma Intl
MSOSEA
Missoula Johnson-Bell Field
Fri 1/8
6:10 pm-10:25 pm
1 stop5h 15m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$144
MissoulaSeattle
MSO Missoula Johnson-Bell Field - SEA Seattle/Tacoma Intl
MSOSEA
Missoula Johnson-Bell Field
Sun 11/15
5:30 am-9:07 am
1 stop4h 37m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$144
Quickest round-trip
MissoulaSeattle
MSO Missoula Johnson-Bell Field - SEA Seattle/Tacoma Intl
MSOSEA
Missoula Johnson-Bell Field
Tue 1/19
4:22 pm-4:57 pm
Nonstop1h 35m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$159
MissoulaSeattle
MSO Missoula Johnson-Bell Field - SEA Seattle/Tacoma Intl
MSOSEA
Missoula Johnson-Bell Field
Fri 1/8
2:02 pm-2:43 pm
Nonstop1h 41m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$164
MissoulaSeattle
MSO Missoula Johnson-Bell Field - SEA Seattle/Tacoma Intl
MSOSEA
Missoula Johnson-Bell Field
Thu 12/10
4:50 pm-5:39 pm
Nonstop1h 49m
Seattle/Tacoma Intl
Mon 12/14
1:35 pm-4:00 pm
Nonstop1h 25m
$267
MissoulaSeattle
MSO Missoula Johnson-Bell Field - SEA Seattle/Tacoma Intl
MSOSEA
Missoula Johnson-Bell Field
Tue 2/2
5:40 am-9:33 am
1 stop4h 53m
Seattle/Tacoma Intl
Fri 2/5
5:45 pm-12:31 am
1 stop5h 46m
$282
MissoulaSeattle
MSO Missoula Johnson-Bell Field - SEA Seattle/Tacoma Intl
MSOSEA
Missoula Johnson-Bell Field
Thu 12/10
1:19 pm-4:59 pm
1 stop4h 40m
Seattle/Tacoma Intl
Mon 12/14
5:57 pm-12:32 am
1 stop5h 35m
$313
MissoulaSeattle
MSO Missoula Johnson-Bell Field - SEA Seattle/Tacoma Intl
MSOSEA
Missoula Johnson-Bell Field
Fri 11/13
1:02 pm-10:52 am
2 stops22h 50m
Seattle/Tacoma Intl
Sat 11/14
12:57 pm-3:31 pm
Nonstop1h 34m
$319
MissoulaSeattle
MSO Missoula Johnson-Bell Field - SEA Seattle/Tacoma Intl
MSOSEA
Missoula Johnson-Bell Field
Wed 11/25
2:05 pm-2:50 pm
Nonstop1h 45m
Seattle/Tacoma Intl
Mon 11/30
12:29 pm-3:02 pm
Nonstop1h 33m
$342
Showing 1-10 of 11 resultsSorted by cheapest first
Compare providers for flights from Missoula 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 Missoula to Seattle in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Missoula-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Missoula-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Missoula-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Missoula-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub 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 Missoula-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 Missoula to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Missoula with our price prediction graph.
MSO-SEA
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 Missoula to Seattle
Prices
Airlines
How far ahead should I book a flight from Missoula to Seattle?
The price you pay for your flight from Missoula 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 Missoula to Seattle?
Currently, January is the cheapest month in which you can book a flight from Missoula to Seattle (average of $227). Flying from Missoula to Seattle in July is currently the most expensive (average of $527). 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 MSO to SEA?
Find hourly flight availability from Missoula 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 19, 2026.
A simple way to save on the total cost of your ticket is to fly from Missoula to Seattle at noon. If you’re flexible enough to do this you can expect to save up to 24% on your trip compared to booking a flight in the evening.
What is the cheapest day to fly from Missoula to Seattle?
Use this chart to determine the cheapest time to fly round-trip from Missoula to Seattle. Price data was last updated on October 17, 2026.
Travelers seeking maximum savings on their Missoula to Seattle flight should consider departing on Thursday at noon when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
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 19, 2026.
Read reviews from past customers who have flown Alaska Airlines from Missoula to Seattle. 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.
Comfort
7.8
Entertainment
7.0
Food
7.0
Crew
8.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Comfort
7.8
Entertainment
7.0
Food
7.0
Crew
8.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
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Find useful and relevant information for your journey from Missoula to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$167 | Average$307 | FlexibilityNo cancel fee | On-time75% |