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$79+ Cheap flights from Missoula to Seattle (MSO - 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 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — SEA
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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Cheapflights Tip: The best prices from Missoula Johnson-Bell Field to Seattle/Tacoma Intl are usually found in September or April, booked 64 days in advance, depart on a Wednesday or Friday and return on a Saturday

Cheap 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 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$116
(Cheapflightsfares)

One-way from

$79
(Alaska Airlines)

Popular in

January

Cheapest in

September

Average price

$258

Good round-trip deal

$323 or less

Good one-way deal

$227 or less
Provider with most accurate pricing for Missoula Johnson-Bell Field-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Missoula Johnson-Bell Field-Seattle/Tacoma Intl flights.
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From Missoula Johnson-Bell Field to Seattle/Tacoma Intl
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One-way flight from Missoula Johnson-Bell Field to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 17% potential increase in price ($60 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Missoula Johnson-Bell Field to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Missoula Johnson-Bell Field to Seattle/Tacoma Intl.
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Find flight deals from Missoula to Seattle

Cheapest flights from Missoula to Seattle
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 27, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 10/26. 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.
Tue 12/94:22 pmMSO - SEA
Nonstop1h 38mAlaska Airlines
Sat 12/1310:06 amSEA - MSO
Nonstop1h 26mAlaska Airlines
Deal found 10/26$116
This Alaska Airlines deal was found by Cheapflights users on 10/25. 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 12/244:21 pmMSO - SEA
Nonstop1h 43mAlaska Airlines
Sun 12/289:16 pmSEA - MSO
Nonstop1h 26mAlaska Airlines
Deal found 10/25$127
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 12/206:00 amMSO - SEA
Nonstop1h 57mAlaska Airlines
Sun 1/119:25 pmSEA - MSO
Nonstop1h 30mAlaska Airlines
Deal found 10/27$137
This Alaska Airlines deal was found by Cheapflights users on 10/25. 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 11/1512:59 pmMSO - SEA
1 stop5h 00mAlaska Airlines
Sun 11/169:15 pmSEA - MSO
Nonstop1h 28mAlaska Airlines
Deal found 10/25$167
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 12/181:34 pmMSO - SEA
Nonstop1h 51mAlaska Airlines
Wed 1/149:25 pmSEA - MSO
Nonstop1h 30mAlaska Airlines
Deal found 10/27$178
This Cheapflightsfares deal was found by Cheapflights users on 10/27. 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.
Tue 12/22:14 pmMSO - SEA
Nonstop1h 36mAlaska Airlines
Thu 12/119:50 pmSEA - MSO
Nonstop1h 36mAlaska Airlines
Deal found 10/27$186
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 11/206:32 amMSO - SEA
Nonstop1h 43mAlaska Airlines
Sun 11/239:21 pmSEA - MSO
Nonstop1h 29mAlaska Airlines
Deal found 10/26$188

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 2,558,603 searches. Data last updated October 27, 2025.
Use the filters below to find and compare flights from Missoula to Seattle that are best for you.

Fly from

Missoula

Fly to

Seattle

Route

Depart

Return

Price

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Tue 1/20

6:23 am-7:12 am

Nonstop1h 49m

Seattle/Tacoma Intl

Sat 1/24

1:04 pm-3:31 pm

Nonstop1h 27m

$117

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Wed 2/18

2:35 pm-3:08 pm

Nonstop1h 33m

Seattle/Tacoma Intl

Tue 2/24

11:25 am-1:52 pm

Nonstop1h 27m

$117

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Sat 1/17

2:03 pm-2:41 pm

Nonstop1h 38m

Seattle/Tacoma Intl

Sun 2/1

1:04 pm-3:31 pm

Nonstop1h 27m

$127

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Tue 1/20

6:05 pm-12:09 am

1 stop7h 04m

Seattle/Tacoma Intl

Sat 1/24

5:00 am-11:59 am

1 stop5h 59m

$137

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Thu 12/18

4:21 pm-5:04 pm

Nonstop1h 43m

Seattle/Tacoma Intl

Thu 1/15

9:57 am-12:23 pm

Nonstop1h 26m

$137

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Fri 1/16

6:23 am-7:12 am

Nonstop1h 49m

Seattle/Tacoma Intl

Thu 1/22

9:57 am-12:23 pm

Nonstop1h 26m

$137

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Sat 12/20

4:21 pm-5:04 pm

Nonstop1h 43m

Seattle/Tacoma Intl

Sun 1/11

1:04 pm-3:31 pm

Nonstop1h 27m

$137

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Sat 12/20

4:21 pm-5:04 pm

Nonstop1h 43m

Seattle/Tacoma Intl

Sun 12/28

9:16 pm-11:42 pm

Nonstop1h 26m

$137

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Tue 1/20

6:05 pm-12:09 am

1 stop7h 04m

Seattle/Tacoma Intl

Thu 1/22

7:00 pm-12:29 am

1 stop4h 29m

$157

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Wed 12/24

6:00 am-6:57 am

Nonstop1h 57m

$79

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 20 results
1
2

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.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Missoula-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Missoula-Seattle flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.
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

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

Use this chart to determine the optimal time to book a round-trip flight from Missoula to Seattle. Price data was last updated on October 24, 2025.

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 64 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, November is the cheapest month in which you can book a flight from Missoula to Seattle (average of $127). Flying from Missoula to Seattle in July is currently the most expensive (average of $201). 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 27, 2025.

A simple way to save on the total cost of your ticket is to fly from Missoula to Seattle in the afternoon. If you’re flexible enough to do this you can expect to save up to 53% 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 19, 2025.

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

How much does it cost to fly round-trip from Missoula to Seattle?

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 27, 2025.
Read reviews from past customers who have flown Alaska Airlines and Hawaiian 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.
Alaska Airlines
8.0
Very good
11,193 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.0

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
11,193 reviews
Alaska Airlines
8.0
Very good
11,193 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.0

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
2,792 reviews
Alaska Airlines
8.0
Very good
11,193 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.0

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 Missoula to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Missoula to Seattle?

    Booking a flight from Missoula Johnson-Bell Field (MSO) to Seattle/Tacoma Intl (SEA) is your only option if you wish to fly from Missoula to Seattle. On a typical day, there are 8 flights from Johnson-Bell Field to Seattle/Tacoma Intl, all of which are around 1h 33m for a nonstop flight. You can also purchase a plane ticket from 2 airlines when you book a flight from Johnson-Bell Field to Seattle.

  • How popular is this Missoula to Seattle flight route?

    This flight path from Missoula Johnson-Bell Field to Seattle/Tacoma Intl was viewed by 23 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Missoula to Seattle?

    Alaska Airlines and Delta can get you from Missoula to Seattle in just under 1h 49m. Your travel time can differ by up to 5h 15m. Airlines will cover a distance of 387 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Missoula to Seattle round-trip?

    Flying on Alaska Airlines is currently your cheapest option to Seattle, with prices starting at $161. Another option worth looking into is Hawaiian Airlines, starting at $167 round trip. Alaska Airlines is currently priced 41% below the average price you’ll pay for this route.

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

    Before booking your flight to Seattle from Missoula, check out the most reliable airlines to get you to your destination on time: Finnair (100%), Qatar Airways (94%), Horizon Air( 94%).

  • What are the cheapest flights from Missoula to Seattle?

    On average you can expect to pay $356 for a flight from Missoula to Seattle. The cheapest flight overall is $169 while the most popular route, (Missoula Johnson-Bell Field - Seattle/Tacoma Intl) is currently priced at $117.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Missoula to Seattle (average of $127). Flying from Missoula to Seattle in July is currently the most expensive (average of $201). 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
Olympia
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Kirkland
Lacey
Kent
Federal Way
Cle Elum
Marysville
Puyallup
Chehalis
Fife
Issaquah

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Missoula to Seattle

Discover the top 2 airlines that operate flights from Missoula 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 October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$161Average$273FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$167Average$217FlexibilityNo cancel feeOn-time85%

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