HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$114+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — SEA
May 22 — May 291
Fri 5/22
Fri 5/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 September or January, booked 64 days in advance, depart on a Wednesday or Friday and return on a Saturday

Cheap 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 April 22, 2026.

This SmartFares deal was found by Cheapflights users on 4/19. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/168:02 pm
MSO
-
SEA
Nonstop1h 33m
Alaska Airlines
Sun 5/179:50 am
SEA
-
MSO
Nonstop1h 26m
Alaska Airlines
Deal found 4/19$182
This Trip.com deal was found by Cheapflights users on 4/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/198:02 pm
MSO
-
SEA
Nonstop1h 33m
Alaska Airlines
Tue 5/269:28 pm
SEA
-
MSO
Nonstop1h 31m
Alaska Airlines
Deal found 4/20$192
This Alaska Airlines deal was found by Cheapflights users on 4/22. 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 5/232:03 pm
MSO
-
SEA
Nonstop1h 33m
Alaska Airlines
Wed 5/279:28 pm
SEA
-
MSO
Nonstop1h 31m
Alaska Airlines
Deal found 4/22$197
This Alaska Airlines deal was found by Cheapflights users on 4/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/222:03 pm
MSO
-
SEA
Nonstop1h 33m
Alaska Airlines
Tue 5/269:28 pm
SEA
-
MSO
Nonstop1h 31m
Alaska Airlines
Deal found 4/20$207
This Alaska Airlines deal was found by Cheapflights users on 4/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/153:39 pm
MSO
-
SEA
Nonstop1h 37m
Alaska Airlines
Mon 5/189:28 pm
SEA
-
MSO
Nonstop1h 31m
Alaska Airlines
Deal found 4/20$217
This Delta deal was found by Cheapflights users on 4/21. 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.
Sun 5/241:14 pm
MSO
-
SEA
1 stop4h 30m
Delta
Fri 6/55:45 pm
SEA
-
MSO
1 stop5h 37m
Delta
Deal found 4/21$227
This Trip.com deal was found by Cheapflights users on 4/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/38:02 pm
MSO
-
SEA
Nonstop1h 33m
Alaska Airlines
Wed 6/109:27 pm
SEA
-
MSO
Nonstop1h 29m
Alaska Airlines
Deal found 4/19$237
This Alaska Airlines deal was found by Cheapflights users on 4/17. 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.
Wed 5/138:02 pm
MSO
-
SEA
Nonstop1h 33m
Alaska Airlines
Sat 5/169:50 am
SEA
-
MSO
Nonstop1h 26m
Alaska Airlines
Deal found 4/17$242
This Alaska Airlines deal was found by Cheapflights users on 4/17. 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.
Tue 5/123:55 pm
MSO
-
SEA
Nonstop1h 35m
Alaska Airlines
Fri 5/159:28 pm
SEA
-
MSO
Nonstop1h 31m
Alaska Airlines
Deal found 4/17$247
This Alaska Airlines deal was found by Cheapflights users on 4/17. 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.
Wed 5/138:02 pm
MSO
-
SEA
Nonstop1h 33m
Alaska Airlines
Sun 5/1712:04 pm
SEA
-
MSO
Nonstop1h 39m
Alaska Airlines
Deal found 4/17$252
This Delta deal was found by Cheapflights users on 4/19. 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 6/36:05 pm
MSO
-
SEA
1 stop7h 05m
Delta
Wed 6/105:59 pm
SEA
-
MSO
1 stop5h 29m
Delta
Deal found 4/19$257
This Delta deal was found by Cheapflights users on 4/22. 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 5/236:05 pm
MSO
-
SEA
1 stop4h 58m
Delta
Wed 5/275:45 pm
SEA
-
MSO
1 stop5h 37m
Delta
Deal found 4/22$268

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 April 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$182
(SmartFares)

One-way from

$114
(Delta)

Popular in

March

Cheapest in

September

Average price

$272

Good round-trip deal

$331 or less

Good one-way deal

$223 or less
Provider with most accurate pricing for Missoula Johnson-Bell Field-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Missoula Johnson-Bell Field-Seattle/Tacoma Intl flights.
Search Deals
From Missoula Johnson-Bell Field to Seattle/Tacoma Intl
Search Deals
One-way flight from Missoula Johnson-Bell Field to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Missoula Johnson-Bell Field to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from Missoula Johnson-Bell Field to Seattle/Tacoma Intl.
Search Deals

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 April 22, 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

Price

Cheapest round-trip

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Wed 6/3

6:05 pm-12:10 am

1 stop7h 05m

Seattle/Tacoma Intl

Sat 6/6

5:45 pm-11:16 pm

1 stop4h 31m

$298
Quickest round-trip

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Thu 6/25

11:22 am-12:02 pm

Nonstop1h 40m

Seattle/Tacoma Intl

Thu 7/2

9:27 pm-11:56 pm

Nonstop1h 29m

$302

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Wed 6/24

11:22 am-12:02 pm

Nonstop1h 40m

Seattle/Tacoma Intl

Thu 7/2

9:27 pm-11:56 pm

Nonstop1h 29m

$302

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Fri 5/8

6:05 pm-10:03 pm

1 stop4h 58m

Seattle/Tacoma Intl

Sun 5/10

5:30 am-12:34 pm

1 stop6h 04m

$377

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Wed 7/1

5:00 pm-5:41 pm

Nonstop1h 41m

Seattle/Tacoma Intl

Fri 7/17

8:05 am-10:42 am

Nonstop1h 37m

$407

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Sat 8/1

5:41 pm-8:20 am

1 stop15h 39m

Seattle/Tacoma Intl

Sat 8/8

1:38 pm-4:09 pm

Nonstop1h 31m

$411

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Fri 6/19

5:41 pm-10:21 am

1 stop17h 40m

Seattle/Tacoma Intl

Sun 6/21

9:27 pm-11:56 pm

Nonstop1h 29m

$411

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Fri 6/26

5:41 pm-9:14 am

1 stop16h 33m

Seattle/Tacoma Intl

Sun 6/28

9:27 pm-11:56 pm

Nonstop1h 29m

$426
Cheapest one-way

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Mon 6/1

6:05 pm-12:10 am

1 stop7h 05m

$114
Quickest one-way

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Sun 5/31

2:03 pm-2:36 pm

Nonstop1h 33m

$129

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/19

Showing 1-10 of 19 resultsSorted by cheapest first
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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 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 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.
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 April 17, 2026.

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, September is the cheapest month in which you can book a flight from Missoula to Seattle (average of $187). Flying from Missoula to Seattle in March is currently the most expensive (average of $308). 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 April 22, 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 25% on your trip compared to booking a flight in the evening.

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 April 22, 2026.
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
7.9
Good
12,273 reviews

Crew

8.5

Overall

7.9

Entertainment

7.0

Food

7.0

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Alaska Airlines
7.9
Good
12,273 reviews
Alaska Airlines
7.9
Good
12,273 reviews

Crew

8.5

Overall

7.9

Entertainment

7.0

Food

7.0

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Hawaiian Airlines
7.8
Good
2,837 reviews
Alaska Airlines
7.9
Good
12,273 reviews

Crew

8.5

Overall

7.9

Entertainment

7.0

Food

7.0

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

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 5 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 13 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?

    Delta and Alaska Airlines can get you from Missoula to Seattle in just under 1h 40m. Your travel time can differ by up to 5h 25m. 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 $157. Another option worth looking into is Hawaiian Airlines, starting at $167 round trip. Alaska Airlines is currently priced 38% 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: Alaska Airlines (87%), Japan Airlines (87%), Korean Air( 87%).

  • What are the cheapest flights from Missoula to Seattle?

    On average you can expect to pay $404 for a flight from Missoula to Seattle. The cheapest flight overall is $164 while the most popular route, (Missoula Johnson-Bell Field - Seattle/Tacoma Intl) is currently priced at $227.

  • 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, September is the cheapest month in which you can book a flight from Missoula to Seattle (average of $187). Flying from Missoula to Seattle in March is currently the most expensive (average of $308). 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
Tacoma
Ocean Shores
Olympia
Lynnwood
Lacey
Edmonds
Leavenworth
Snoqualmie
Kent
Tumwater
Tukwila
Puyallup
Renton
Kirkland
Ellensburg
Fife
Lakewood
Issaquah
Shoreline

Browse 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.

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 April 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$157Average$260FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$167Average$207FlexibilityNo cancel feeOn-time85%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights