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$79+ Cheap flights from Seattle to Missoula (SEA - MSO)

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MSO
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Missoula Johnson-Bell Field are usually found in January or April, booked 66 days in advance, depart on a Saturday or Thursday and return on a Friday

Cheap 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 11, 2025.

Round-trip from

$133
(Trip.com)

One-way from

$79
(Delta)

Popular in

December

Cheapest in

January

Average price

$367

Good round-trip deal

$177 or less

Good one-way deal

$329 or less
From Seattle/Tacoma Intl to Missoula Johnson-Bell Field
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One-way flight from Seattle/Tacoma Intl to Missoula Johnson-Bell Field
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Highest demand for flights based on searches. 16% potential increase in price ($58 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Missoula Johnson-Bell Field.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Missoula Johnson-Bell Field.
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Find flight deals from Seattle to Missoula

Cheapest flights from Seattle to Missoula
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 11, 2025.

This Trip.com deal was found by Cheapflights users on 9/10. 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 10/259:55 amSEA - MSO
Nonstop1h 23mAlaska Airlines
Sat 11/14:12 pmMSO - SEA
Nonstop1h 39mAlaska Airlines
Deal found 9/10$133
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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 10/110:00 amSEA - MSO
Nonstop1h 32mAlaska Airlines
Sat 10/44:12 pmMSO - SEA
Nonstop1h 36mAlaska Airlines
Deal found 9/9$137
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Sat 10/259:55 amSEA - MSO
Nonstop1h 23mHawaiian Airlines
Sat 11/112:59 pmMSO - SEA
1 stop6h 49mHawaiian Airlines
Deal found 9/10$140
This KAYAK deal was found by Cheapflights users on 9/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1812:48 pmSEA - MSO
Nonstop1h 35mAlaska Airlines
Wed 10/224:12 pmMSO - SEA
Nonstop1h 36mAlaska Airlines
Deal found 9/9$152
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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 10/29:59 pmSEA - MSO
Nonstop1h 28mAlaska Airlines
Sat 10/44:12 pmMSO - SEA
Nonstop1h 36mAlaska Airlines
Deal found 9/9$157
This Hawaiian Airlines deal was found by Cheapflights users on 9/10. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1812:48 pmSEA - MSO
Nonstop1h 35mHawaiian Airlines
Wed 10/222:07 pmMSO - SEA
Nonstop1h 40mHawaiian Airlines
Deal found 9/10$167
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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 10/2112:48 pmSEA - MSO
Nonstop1h 35mAlaska Airlines
Wed 10/224:12 pmMSO - SEA
Nonstop1h 36mAlaska Airlines
Deal found 9/9$177
This Delta deal was found by Cheapflights users on 9/9. 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 10/177:18 pmSEA - MSO
1 stop3h 59mDelta
Sat 10/256:20 pmMSO - SEA
1 stop5h 02mDelta
Deal found 9/9$187
This KAYAK deal was found by Cheapflights users on 9/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2712:51 pmSEA - MSO
Nonstop1h 33mAlaska Airlines
Wed 10/294:12 pmMSO - SEA
Nonstop1h 39mAlaska Airlines
Deal found 9/9$191
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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 10/169:55 amSEA - MSO
Nonstop1h 23mAlaska Airlines
Fri 10/244:12 pmMSO - SEA
Nonstop1h 36mAlaska Airlines
Deal found 9/9$197
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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 10/153:35 pmSEA - MSO
Nonstop1h 25mAlaska Airlines
Sat 10/254:12 pmMSO - SEA
Nonstop1h 36mAlaska Airlines
Deal found 9/9$198

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 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Seattle to Missoula that are best for you.

Fly from

Seattle

Fly to

Missoula

Route

Depart

Return

Price

SeattleMissoula

SEA - MSO

SEAMSO

Seattle/Tacoma Intl

Sat 10/25

9:55 am-12:18 pm

Nonstop1h 23m

Missoula Johnson-Bell Field

Sat 11/1

4:12 pm-4:51 pm

Nonstop1h 39m

$133

SeattleMissoula

SEA - MSO

SEAMSO

Seattle/Tacoma Intl

Sat 10/18

9:55 am-12:18 pm

Nonstop1h 23m

Missoula Johnson-Bell Field

Wed 10/22

2:07 pm-2:47 pm

Nonstop1h 40m

$137

SeattleMissoula

SEA - MSO

SEAMSO

Seattle/Tacoma Intl

Wed 10/1

3:35 pm-6:00 pm

Nonstop1h 25m

Missoula Johnson-Bell Field

Sat 10/4

4:12 pm-4:48 pm

Nonstop1h 36m

$137

SeattleMissoula

SEA - MSO

SEAMSO

Seattle/Tacoma Intl

Wed 10/1

10:00 am-12:32 pm

Nonstop1h 32m

Missoula Johnson-Bell Field

Sat 10/4

4:12 pm-4:48 pm

Nonstop1h 36m

$137

SeattleMissoula

SEA - MSO

SEAMSO

Seattle/Tacoma Intl

Tue 1/20

4:55 pm-12:31 am

1 stop6h 36m

Missoula Johnson-Bell Field

Tue 1/27

6:10 pm-12:11 am

1 stop7h 01m

$157

SeattleMissoula

SEA - MSO

SEAMSO

Seattle/Tacoma Intl

Tue 11/11

9:15 pm-11:43 pm

Nonstop1h 28m

Missoula Johnson-Bell Field

Sun 11/16

4:12 pm-4:51 pm

Nonstop1h 39m

$157

SeattleMissoula

SEA - MSO

SEAMSO

Seattle/Tacoma Intl

Tue 1/20

11:25 am-1:52 pm

Nonstop1h 27m

Missoula Johnson-Bell Field

Tue 1/27

2:35 pm-3:08 pm

Nonstop1h 33m

$167

SeattleMissoula

SEA - MSO

SEAMSO

Seattle/Tacoma Intl

Thu 10/16

9:55 am-12:18 pm

Nonstop1h 23m

Missoula Johnson-Bell Field

Wed 10/22

4:12 pm-4:48 pm

Nonstop1h 36m

$167

SeattleMissoula

SEA - MSO

SEAMSO

Seattle/Tacoma Intl

Thu 10/16

9:55 am-12:18 pm

Nonstop1h 23m

Missoula Johnson-Bell Field

Thu 10/23

4:12 pm-4:48 pm

Nonstop1h 36m

$197

SeattleMissoula

SEA - MSO

SEAMSO

Seattle/Tacoma Intl

Wed 10/15

3:35 pm-6:00 pm

Nonstop1h 25m

Missoula Johnson-Bell Field

Sat 10/25

4:12 pm-4:48 pm

Nonstop1h 36m

$198

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 18 results
1
2

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.
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

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Missoula. Price data was last updated on August 29, 2025.

Booking 66 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Missoula. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Seattle to Missoula?

Currently, October is the cheapest month in which you can book a flight from Seattle to Missoula (average of $365). Flying from Seattle to Missoula in March is currently the most expensive (average of $505). 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 11, 2025.

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 morning, which can drop the price by up to 13% 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 11, 2025.
Read through reviews of airlines operating flights from Seattle to Missoula, such as Alaska Airlines and Hawaiian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,723 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

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

    Booking a flight from Seattle/Tacoma Intl (SEA) to Missoula Johnson-Bell Field (MSO) is your only option if you wish to fly from Seattle to Missoula. On a typical day, there are 12 flights from Seattle/Tacoma Intl to Johnson-Bell Field, all of which are around 1h 21m for a nonstop flight. You can also purchase a plane ticket from 2 airlines when you book a flight from Seattle/Tacoma Intl to Missoula.

  • How popular is this Seattle to Missoula flight route?

    This flight path from Seattle/Tacoma Intl to Missoula Johnson-Bell Field was viewed by 12 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 Seattle to Missoula?

    Departing from Seattle to Missoula will take you 1h 23m. The distance between Seattle and Missoula is about 387 mi. Generally, flights for this route are nonstop.

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

    Flying on Hawaiian Airlines is currently your cheapest option to Missoula, with prices starting at $144. Another option worth looking into is Alaska Airlines, starting at $166 round trip. These flights start at 50% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Seattle to Missoula one-way?

    The cheapest airlines for a one-way flight from Seattle to Missoula are Delta ($79), Hawaiian Airlines ($89), and Alaska Airlines ($89).

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

    Consider Horizon Air (88%), Qatar Airways (86%) or British Airways (78%) when booking your flight. These represent the most reliable airlines when flying from Seattle to Missoula.

  • What are the cheapest flights from Seattle to Missoula?

    While on average a flight from Seattle to Missoula is generally $288, our data shows the cheapest flight currently is $108. When looking at the most popular route, (Seattle/Tacoma Intl - Missoula Johnson-Bell Field), you can expect to pay $133 for that flight.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Seattle to Missoula (average of $365). Flying from Seattle to Missoula in March is currently the most expensive (average of $505). 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

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Alternative routes for Seattle to Missoula

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Top 2 airlines flying from Seattle to Missoula

Discover the top 2 airlines 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 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$144Average$238FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$166Average$268FlexibilityNo cancel feeOn-time75%

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