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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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — SEA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 May or April, booked 88 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 June 12, 2025.

Round-trip from

$151
(Alaska Airlines)

One-way from

$79
(Hawaiian Airlines)

Popular in

January

Cheapest in

May

Average price

$268

Good round-trip deal

$307 or less

Good one-way deal

$119 or less
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. 16% potential increase in price ($56 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 June 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 June 12, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/136:36 pmMSO - SEA
Nonstop1h 35mAlaska Airlines
Wed 8/139:53 pmSEA - MSO
Nonstop1h 26mAlaska Airlines
Deal found 6/10$151
This Hawaiian Airlines deal was found by Cheapflights users on 6/11. 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 8/96:35 amMSO - SEA
Nonstop1h 35mHawaiian Airlines
Tue 8/198:55 amSEA - MSO
1 stop3h 41mHawaiian Airlines
Deal found 6/11$207
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/119:54 pmMSO - SEA
1 stop19h 31mMultiple Airlines
Sun 7/205:30 pmSEA - MSO
1 stop21h 00mMultiple Airlines
Deal found 6/10$212
This Delta deal was found by Cheapflights users on 6/11. 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 8/96:24 pmMSO - SEA
1 stop5h 42mDelta
Tue 8/195:45 pmSEA - MSO
1 stop5h 30mDelta
Deal found 6/11$217
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1112:40 pmMSO - SEA
1 stop7h 19mFrontier
Sun 8/177:48 pmSEA - MSO
1 stop15h 06mFrontier
Deal found 6/10$321
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/195:20 pmMSO - SEA
2 stops22h 54mUnited Airlines
Fri 8/223:19 pmSEA - MSO
1 stop23h 17mUnited Airlines
Deal found 6/10$500

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 June 12, 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

Wed 8/13

6:36 pm-7:11 pm

Nonstop1h 35m

Seattle/Tacoma Intl

Wed 8/13

9:53 pm-12:19 am

Nonstop1h 26m

$151

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Sat 8/9

6:35 am-7:10 am

Nonstop1h 35m

Seattle/Tacoma Intl

Tue 8/19

8:55 am-1:36 pm

1 stop3h 41m

$207

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Fri 7/11

9:54 pm-4:25 pm

1 stop19h 31m

Seattle/Tacoma Intl

Sun 7/20

5:30 pm-3:30 pm

1 stop21h 00m

$212

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Sat 8/9

6:24 pm-11:06 pm

1 stop5h 42m

Seattle/Tacoma Intl

Wed 8/13

5:45 pm-12:15 am

1 stop5h 30m

$217

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Mon 8/11

12:40 pm-6:59 pm

1 stop7h 19m

Seattle/Tacoma Intl

Sun 8/17

7:48 pm-11:54 am

1 stop15h 06m

$321

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Tue 8/19

5:20 pm-3:14 pm

2 stops22h 54m

Seattle/Tacoma Intl

Fri 8/22

3:19 pm-3:36 pm

1 stop23h 17m

$500

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Wed 8/20

6:35 am-7:11 am

Nonstop1h 36m

$79

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Wed 8/20

6:24 pm-10:15 pm

1 stop4h 51m

$89

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Wed 7/2

10:31 pm-3:03 pm

1 stop17h 32m

$110

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Wed 7/9

6:36 pm-7:11 pm

Nonstop1h 35m

$119

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 11 results
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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 June 9, 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 88 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 $238). Flying from Missoula to Seattle in July is currently the most expensive (average of $391). 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 June 12, 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 24% on your trip compared to booking a flight in the morning.

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 June 8, 2025.

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

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 June 12, 2025.
To help decide which airline to fly from Missoula to Seattle, see what other customers have to say about Alaska Airlines, Delta and Hawaiian Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Frontier
5.9
Fair
3,295 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 28 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • 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 $151. Additional round-trip tickets that might be worth considering are offered by Hawaiian Airlines and Delta, with the lowest prices starting at $207 and $217, respectively. Alaska Airlines is currently priced 46% below the average price you’ll pay for this route.

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

    To fly one-way, consider booking your trip with Hawaiian Airlines, which is currently one of the cheapest options available, starting at $79. Delta flights start at $89 while deals on Alaska Airlines start at $119 one-way.

  • 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: Japan Airlines (98%), Korean Air (98%), British Airways( 98%).

  • What are the cheapest flights from Missoula to Seattle?

    On average you can expect to pay $328 for a flight from Missoula to Seattle. The cheapest flight overall is $99 while the most popular route, (Missoula Johnson-Bell Field - Seattle/Tacoma Intl) is currently priced at $157.

  • 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, January is the cheapest month in which you can book a flight from Missoula to Seattle (average of $238). Flying from Missoula to Seattle in July is currently the most expensive (average of $391). 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 Missoula?

Book flights to Missoula if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lacey
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Kent
Cle Elum
Centralia
Kirkland
Aberdeen
Renton
Shelton
Silverdale
Issaquah

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$167Average$207FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$177Average$286FlexibilityNo cancel feeOn-time75%

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