$144+ Cheap flights from Seattle to Missoula (SEA - MSO)
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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MSO
Oct 8 — Oct 151
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Missoula 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 Seattle to Missoula
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Best
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Cheapest flights from Seattle to MissoulaExplore the most affordable flight options available from Seattle to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 8, 2026.
Explore the most affordable flight options available from Seattle to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 8, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 11/106:53 pm -
Nonstop1h 25m
Sat 11/144:21 pm -
Nonstop1h 41m
Deal found 9/6![Alaska Airlines logo]()
$257
This Trip.com deal was found by Cheapflights users on 9/7. 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 11/712:57 pm -
Nonstop1h 34m
Mon 11/94:21 pm -
Nonstop1h 41m
Deal found 9/7![Alaska Airlines logo]()
$261
This Booking.com deal was found by Cheapflights users on 9/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/512:52 pm -
Nonstop1h 31m
Mon 12/74:13 pm -
Nonstop1h 42m
Deal found 9/4![Alaska Airlines logo]()
$262
This Trip.com deal was found by Cheapflights users on 9/7. 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 11/148:45 am -
1 stop3h 37m
Mon 11/167:03 am -
Nonstop1h 41m
Deal found 9/7![Alaska Airlines logo]()
$266
This Delta deal was found by Cheapflights users on 9/3. 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.
Wed 10/289:42 am -
1 stop7h 01m
Sun 11/16:25 pm -
1 stop4h 40m
Deal found 9/3![Delta logo]()
$272
This Expedia deal was found by Cheapflights users on 9/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:36 pm -
Nonstop1h 28m
Mon 10/267:03 am -
Nonstop1h 43m
Deal found 9/8![Alaska Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 9/4. 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 12/55:30 am -
1 stop6h 06m
Mon 12/76:25 pm -
1 stop6h 41m
Deal found 9/4![Delta logo]()
$292
This Delta deal was found by Cheapflights users on 9/6. 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 12/115:40 pm -
1 stop5h 54m
Sun 12/131:18 pm -
1 stop4h 41m
Deal found 9/6![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 9/3. 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.
Tue 11/1011:20 am -
1 stop5h 22m
Sat 11/141:19 pm -
1 stop6h 22m
Deal found 9/3![Delta logo]()
$298
This Booking.com deal was found by Cheapflights users on 9/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:59 pm -
1 stop14h 27m
Tue 10/272:06 pm -
Nonstop1h 39m
Deal found 9/5![Alaska Airlines logo]()
$310
Best flights from Seattle to MissoulaDiscover carefully curated flight deals from Seattle to Missoula that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.
Discover carefully curated flight deals from Seattle to Missoula that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 11/1012:57 pm -
Nonstop1h 34m
Sat 11/141:02 pm -
1 stop4h 55m
Deal found 9/7![Alaska Airlines logo]()
$267
This Delta deal was found by Cheapflights users on 9/7. 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 11/145:40 pm -
1 stop4h 20m
Mon 11/166:22 pm -
1 stop6h 37m
Deal found 9/7![Delta logo]()
$292
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 12/1110:07 am -
Nonstop1h 25m
Sun 12/136:40 am -
Nonstop1h 35m
Deal found 9/6![Alaska Airlines logo]()
$267
This Delta deal was found by Cheapflights users on 9/4. 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.
Mon 3/111:25 am -
1 stop5h 02m
Mon 3/86:10 pm -
1 stop7h 01m
Deal found 9/4![Delta logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 9/4. 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 3/17:00 am -
1 stop5h 36m
Tue 3/94:13 pm -
Nonstop1h 42m
Deal found 9/4![Alaska Airlines logo]()
$342
This Delta deal was found by Cheapflights users on 9/3. 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.
Fri 10/165:55 pm -
1 stop5h 36m
Tue 10/201:14 pm -
1 stop4h 41m
Deal found 9/3![Delta logo]()
$368
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 12/249:28 pm -
Nonstop1h 24m
Mon 12/287:01 am -
Nonstop1h 40m
Deal found 9/7![Alaska Airlines logo]()
$347
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 11/711:43 am -
2 stops24h 39m
Mon 11/94:21 pm -
Nonstop1h 41m
Deal found 9/7![Alaska Airlines logo]()
$355
Last-minute flights from Seattle to MissoulaDiscover last-minute flight deals from Seattle to Missoula. Data last updated September 8, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Missoula. Data last updated September 8, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/3. 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.
Fri 10/25:50 pm -
1 stop5h 28m
Sat 10/31:17 pm -
1 stop6h 38m
Deal found 9/3![Delta logo]()
$317
This Booking.com deal was found by Cheapflights users on 9/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:36 pm -
Nonstop1h 28m
Sat 10/177:03 am -
Nonstop1h 43m
Deal found 9/3![Alaska Airlines logo]()
$262
This Trip.com deal was found by Cheapflights users on 9/4. 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.
Wed 10/712:07 pm -
Nonstop1h 43m
Fri 10/167:03 am -
Nonstop1h 43m
Deal found 9/4![Alaska Airlines logo]()
$257
This Booking.com deal was found by Cheapflights users on 9/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:36 pm -
Nonstop1h 28m
Sun 10/117:03 am -
Nonstop1h 43m
Deal found 9/4![Alaska Airlines logo]()
$322
This Booking.com deal was found by Cheapflights users on 9/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:59 pm -
1 stop14h 27m
Tue 10/272:06 pm -
Nonstop1h 39m
Deal found 9/5![Alaska Airlines logo]()
$310
This Booking.com deal was found by Cheapflights users on 9/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:36 pm -
Nonstop1h 28m
Mon 10/263:49 pm -
Nonstop1h 40m
Deal found 9/4![Alaska Airlines logo]()
$267
This Expedia deal was found by Cheapflights users on 9/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:36 pm -
Nonstop1h 28m
Mon 10/267:03 am -
Nonstop1h 43m
Deal found 9/8![Alaska Airlines logo]()
$289
This Priceline deal was found by Cheapflights users on 9/7. 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.
Mon 10/268:26 pm -
Nonstop1h 28m
Fri 10/303:49 pm -
Nonstop1h 40m
Deal found 9/7![Alaska Airlines logo]()
$327
This Delta deal was found by Cheapflights users on 9/3. 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.
Wed 10/289:42 am -
1 stop7h 01m
Sun 11/16:25 pm -
1 stop4h 40m
Deal found 9/3![Delta logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:14 pm -
2 stops24h 01m
Sun 11/18:39 pm -
1 stop14h 06m
Deal found 9/3![Multiple Airlines logo]()
$336
One-way flights from Seattle to MissoulaSearch for one-way flight options from Seattle to Missoula. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
Search for one-way flight options from Seattle to Missoula. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
This Delta deal was found by Cheapflights users on 9/6. 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 10/69:42 am -
1 stop7h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Delta logo]()
$144
This Delta deal was found by Cheapflights users on 9/6. 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 10/235:55 pm -
1 stop5h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Delta logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Tue 10/68:15 pm -
3 stops36h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$152
This Priceline deal was found by Cheapflights users on 9/4. 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.
Sat 10/2412:07 pm -
Nonstop1h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Alaska Airlines logo]()
$159
This Expedia deal was found by Cheapflights users on 9/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/612:07 pm -
Nonstop1h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Alaska Airlines logo]()
$163
This Priceline deal was found by Cheapflights users on 9/6. 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.
Fri 10/2312:07 pm -
Nonstop1h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Alaska Airlines logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 9/234:27 pm -
2 stops27h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Tue 9/298:15 pm -
2 stops40h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$189
This Alaska Airlines deal was found by Cheapflights users on 9/3. 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.
Fri 10/97:36 pm -
Nonstop1h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Alaska Airlines logo]()
$190
This Priceline deal was found by Cheapflights users on 9/5. 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 9/2912:45 pm -
Nonstop1h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Alaska Airlines logo]()
$204
Find flight deals from Seattle to Missoula
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Missoula (MSO). 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 September 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $257 (Alaska Airlines) |
One-way from | $144 (Delta) |
Popular in | June |
Cheapest in | January |
Average price | $349 |
Good round-trip deal | $262 or less |
Good one-way deal | $233 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Missoula 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 September 8, 2026.
Use the filters below to find and compare flights from Seattle to Missoula that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleMissoula
SEA Seattle/Tacoma Intl - MSO Missoula Johnson-Bell Field
SEAMSO
Seattle/Tacoma Intl
Sat 10/24
9:42 am-5:43 pm
1 stop7h 01m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$144
SeattleMissoula
SEA Seattle/Tacoma Intl - MSO Missoula Johnson-Bell Field
SEAMSO
Seattle/Tacoma Intl
Fri 10/23
5:55 pm-12:31 am
1 stop5h 36m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$149
Quickest round-trip
SeattleMissoula
SEA Seattle/Tacoma Intl - MSO Missoula Johnson-Bell Field
SEAMSO
Seattle/Tacoma Intl
Fri 10/9
7:36 pm-10:04 pm
Nonstop1h 28m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$190
SeattleMissoula
SEA Seattle/Tacoma Intl - MSO Missoula Johnson-Bell Field
SEAMSO
Seattle/Tacoma Intl
Fri 10/16
5:55 pm-12:31 am
1 stop5h 36m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$215
SeattleMissoula
SEA Seattle/Tacoma Intl - MSO Missoula Johnson-Bell Field
SEAMSO
Seattle/Tacoma Intl
Thu 10/1
8:30 pm-11:01 pm
Nonstop1h 31m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$219
SeattleMissoula
SEA Seattle/Tacoma Intl - MSO Missoula Johnson-Bell Field
SEAMSO
Seattle/Tacoma Intl
Thu 10/1
5:50 pm-12:18 am
1 stop5h 28m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$224
SeattleMissoula
SEA Seattle/Tacoma Intl - MSO Missoula Johnson-Bell Field
SEAMSO
Seattle/Tacoma Intl
Mon 9/21
12:45 pm-3:17 pm
Nonstop1h 32m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$234
SeattleMissoula
SEA Seattle/Tacoma Intl - MSO Missoula Johnson-Bell Field
SEAMSO
Seattle/Tacoma Intl
Mon 10/26
8:26 pm-10:54 pm
Nonstop1h 28m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$249
SeattleMissoula
SEA Seattle/Tacoma Intl - MSO Missoula Johnson-Bell Field
SEAMSO
Seattle/Tacoma Intl
Wed 9/16
9:45 pm-8:59 pm
1 stop22h 14m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$262
SeattleMissoula
SEA Seattle/Tacoma Intl - MSO Missoula Johnson-Bell Field
SEAMSO
Seattle/Tacoma Intl
Tue 11/10
12:57 pm-3:31 pm
Nonstop1h 34m
Missoula Johnson-Bell Field
Sat 11/14
1:02 pm-4:57 pm
1 stop4h 55m
$267
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Seattle to Missoula
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 Seattle to Missoula in September.
| 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 Seattle-Missoula flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Missoula flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Missoula flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Missoula 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 Seattle-Missoula 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 Seattle to Missoula
Have a flexible travel schedule? Discover the best time to fly to Missoula from Seattle with our price prediction graph.
SEA-MSO
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 Seattle to Missoula
What is the cheapest month to book a flight from Seattle to Missoula?
Currently, January is the cheapest month in which you can book a flight from Seattle to Missoula (average of $177). Flying from Seattle to Missoula in June is currently the most expensive (average of $442). 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 SEA to MSO?
Find hourly flight availability from Seattle to Missoula. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 8, 2026.
When flying from Seattle to Missoula, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 20% versus a flight in the afternoon.
Reviews of airlines servicing Missoula
Get insights into the airlines that provide service to Missoula. 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 Missoula. Reviews last updated September 8, 2026.
Read through reviews of airlines operating flights from Seattle to Missoula, such as Alaska Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Food
7.0
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Food
7.0
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Related info for your journey
Find useful and relevant information for your journey from Seattle to Missoula. 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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Other flights to Missoula
Explore flights to Missoula departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 8, 2026.
Seattle and Missoula flights
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Top airline flying from Seattle to Missoula
Discover the top airline that operate flights from Seattle to Missoula. 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 7,457,451 searches. Data last updated September 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$177 | Average$335 | FlexibilityNo cancel fee | On-time75% |