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Cheap flights from Missoula to Seattle from $139

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missoula to Seattle departing on 5/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Missoula to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
6:23 am - 7:09 am
MSO
-
SEA
1h 46mnonstop
Alaska Airlines Logo
9:55 am - 12:21 pm
SEA
-
MSO
1h 26mnonstop
$177Alaska Airlines
Wed, Feb 25 - Sat, Feb 28
Alaska Airlines Logo
6:23 am - 7:12 am
MSO
-
SEA
1h 49mnonstop
Alaska Airlines Logo
9:25 pm - 11:55 pm
SEA
-
MSO
1h 30mnonstop
$186Alaska Airlines
Fri, Jan 9 - Sat, Jan 10
Alaska Airlines Logo
6:23 am - 7:12 am
MSO
-
SEA
1h 49mnonstop
Alaska Airlines Logo
1:04 pm - 3:31 pm
SEA
-
MSO
1h 27mnonstop
$187Alaska Airlines
Fri, Jan 9 - Sat, Jan 10
Alaska Airlines Logo
6:00 am - 6:57 am
MSO
-
SEA
1h 57mnonstop
Alaska Airlines Logo
9:25 pm - 11:55 pm
SEA
-
MSO
1h 30mnonstop
$197Alaska Airlines
Mon, Jan 5 - Mon, Jan 12
Delta Logo
6:18 pm - 11:22 pm
MSO
-
SEA
6h 04m1 stop
Delta Logo
5:25 am - 11:59 am
SEA
-
MSO
5h 34m1 stop
$207Delta
Fri, Jan 9 - Sat, Jan 10
Alaska Airlines Logo
2:35 pm - 3:08 pm
MSO
-
SEA
1h 33mnonstop
Alaska Airlines Logo
9:35 pm - 11:55 pm
SEA
-
MSO
1h 20mnonstop
$208Alaska Airlines
Wed, Mar 18 - Mon, Mar 23
Alaska Airlines Logo
6:23 am - 7:12 am
MSO
-
SEA
1h 49mnonstop
Alaska Airlines Logo
8:25 am - 1:23 pm
SEA
-
MSO
3h 58m1 stop
$216Alaska Airlines
Fri, Jan 9 - Sat, Jan 10
Alaska Airlines Logo
6:23 am - 7:12 am
MSO
-
SEA
1h 49mnonstop
Alaska Airlines Logo
8:25 am - 1:23 pm
SEA
-
MSO
3h 58m1 stop
$217Alaska Airlines
Fri, Jan 9 - Sat, Jan 10
Alaska Airlines Logo
6:00 am - 6:57 am
MSO
-
SEA
1h 57mnonstop
Alaska Airlines Logo
1:04 pm - 3:31 pm
SEA
-
MSO
1h 27mnonstop
$238Alaska Airlines
Sun, Jan 4 - Sun, Jan 11
Alaska Airlines Logo
1:01 pm - 9:37 am
MSO
-
SEA
21h 36m1 stop
Alaska Airlines Logo
7:45 am - 12:59 pm
SEA
-
MSO
4h 14m1 stop
$245Alaska Airlines
Sat, Feb 28 - Sat, Mar 7

Delta flights from Missoula to Seattle

Our best Delta deals on Missoula to Seattle flight tickets
Delta
Jan 9
MSO6:18 pmMissoula Johnson-Bell Field
6h 04m
1 stop
SEA11:22 pmSeattle/Tacoma Intl
Jan 10
SEA5:25 amSeattle/Tacoma Intl
5h 34m
1 stop
MSO11:59 amMissoula Johnson-Bell Field
$207
Find similar
Delta
Jan 16
MSO12:40 pmMissoula Johnson-Bell Field
6h 49m
1 stop
SEA6:29 pmSeattle/Tacoma Intl
Jan 19
SEA5:25 amSeattle/Tacoma Intl
5h 34m
1 stop
MSO11:59 amMissoula Johnson-Bell Field
$248
Find similar
Delta
Jan 16
MSO12:40 pmMissoula Johnson-Bell Field
6h 49m
1 stop
SEA6:29 pmSeattle/Tacoma Intl
Jan 19
SEA5:25 amSeattle/Tacoma Intl
5h 34m
1 stop
MSO11:59 amMissoula Johnson-Bell Field
$279
Find similar

Hawaiian Airlines flights from Missoula to Seattle

Our best Hawaiian Airlines deals on Missoula to Seattle flight tickets
Hawaiian Airlines
Dec 24
MSO4:21 pmMissoula Johnson-Bell Field
1h 43m
SEA5:04 pmSeattle/Tacoma Intl
Dec 26
SEA9:16 pmSeattle/Tacoma Intl
1h 26m
MSO11:42 pmMissoula Johnson-Bell Field
$309
Find similar
Hawaiian Airlines
Dec 24
MSO5:20 amMissoula Johnson-Bell Field
6h 11m
1 stop
SEA10:31 amSeattle/Tacoma Intl
Dec 26
SEA9:16 pmSeattle/Tacoma Intl
1h 26m
MSO11:42 pmMissoula Johnson-Bell Field
$334
Find similar
Hawaiian Airlines
Dec 24
MSO5:20 amMissoula Johnson-Bell Field
6h 11m
1 stop
SEA10:31 amSeattle/Tacoma Intl
Dec 26
SEA9:16 pmSeattle/Tacoma Intl
1h 26m
MSO11:42 pmMissoula Johnson-Bell Field
$335
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 9, 2025.
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

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Wed 2/25

6:23 am-7:09 am

Nonstop1h 46m

Seattle/Tacoma Intl

Sat 2/28

9:55 am-12:21 pm

Nonstop1h 26m

$177

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Fri 1/9

6:23 am-7:12 am

Nonstop1h 49m

Seattle/Tacoma Intl

Sat 1/10

9:25 pm-11:55 pm

Nonstop1h 30m

$186

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Fri 1/9

6:23 am-7:12 am

Nonstop1h 49m

Seattle/Tacoma Intl

Sat 1/10

1:04 pm-3:31 pm

Nonstop1h 27m

$187

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Mon 1/5

6:00 am-6:57 am

Nonstop1h 57m

Seattle/Tacoma Intl

Mon 1/12

9:25 pm-11:55 pm

Nonstop1h 30m

$197

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Fri 1/9

6:18 pm-11:22 pm

1 stop6h 04m

Seattle/Tacoma Intl

Sat 1/10

5:25 am-11:59 am

1 stop5h 34m

$207

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Wed 3/18

2:35 pm-3:08 pm

Nonstop1h 33m

Seattle/Tacoma Intl

Mon 3/23

9:35 pm-11:55 pm

Nonstop1h 20m

$208

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Fri 1/9

6:23 am-7:12 am

Nonstop1h 49m

Seattle/Tacoma Intl

Sat 1/10

8:25 am-1:23 pm

1 stop3h 58m

$216

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Fri 1/9

6:23 am-7:12 am

Nonstop1h 49m

Seattle/Tacoma Intl

Sat 1/10

8:25 am-1:23 pm

1 stop3h 58m

$217

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Sun 1/4

6:00 am-6:57 am

Nonstop1h 57m

Seattle/Tacoma Intl

Sun 1/11

1:04 pm-3:31 pm

Nonstop1h 27m

$238

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Sat 2/28

1:01 pm-9:37 am

1 stop21h 36m

Seattle/Tacoma Intl

Sat 3/7

7:45 am-12:59 pm

1 stop4h 14m

$245

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Missoula to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Seattle?

In general, September is the cheapest month to fly from Missoula to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $197. If you don’t want to visit Seattle in September, then you should wait until April to fly from Missoula, when ticket prices are also cheap, with an average price of $217.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Missoula is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $419. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Missoula because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $581.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Missoula in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $419 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the morning, with an average ticket price of $548. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Missoula Johnson-Bell Field to Seattle/Tacoma Intl flight route?

Fly from Missoula Johnson-Bell Field to Seattle/Tacoma Intl for the best Missoula Johnson-Bell Field - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Missoula when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $260 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Missoula for as low as $202 on momondo.

What cabin class options are available on Missoula Johnson-Bell Field to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on Missoula Johnson-Bell Field to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Missoula to Seattle flight prices changed over time?

As of December 2025, prices for Missoula to Seattle flights are approximately 102% more expensive when compared to flights at the same time last year.

When to book flights from Missoula to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Missoula to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Missoula to Seattle (MSO to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missoula to Seattle

Best Price Found

$190

Fastest flight time

1h 43m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Missoula in the past 72 hours is $190. The best round-trip flight deal from Missoula to Seattle found on momondo in the last 72 hours is $290.
The fastest flight from Missoula to Seattle takes 1h 43m
Direct flights go from Missoula to Seattle every day.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)
Search flight deals

  • How far is Missoula Johnson-Bell Field to Seattle/Tacoma Intl by plane?

    Seattle/Tacoma Intl is 394.3 mi away from Missoula Johnson-Bell Field. Flights usually cover this in 1h 33m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Missoula Johnson-Bell Field Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Missoula Johnson-Bell Field Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Missoula Johnson-Bell Field Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Missoula Johnson-Bell Field Airport to Seattle/Tacoma Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missoula Johnson-Bell Field Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Missoula to Seattle?

  • What is the most popular airline from Missoula to Seattle?

Best airlines flying from Missoula to Seattle

Compare and see reviews for airlines that fly from Missoula to Seattle with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $157Free CancellationRating
8.0
11,420 reviews
Search Alaska Airlines flights
Hawaiian AirlinesPriceFrom $167Free CancellationRating
7.8
2,818 reviews
Search Hawaiian Airlines flights

  • Alaska Airlines Flights From Missoula to Seattle

    Across 11 Alaska Airlines flights from Missoula to Seattle this week, the average price was $267, with the best Alaska Airlines deals starting from $157 round-trip. 11,420 users have rated Alaska Airlines on momondo, with an average score of 8.0/10.

  • Hawaiian Airlines Flights From Missoula to Seattle

    Another popular option for Missoula to Seattle flights is Hawaiian Airlines (7.8/10, 2,818 ratings). Hawaiian Airlines flies from Missoula to Seattle around 19 times per week, with deals starting from $167 round-trip and rising to an average price of around $217.

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Puyallup
Marysville
Redmond
Tukwila
Cle Elum
Federal Way
Lakewood
Fife
Westport
Kirkland
Centralia
Shoreline

Why use momondo?

Why should I use momondo to find a flight deal from Missoula to Seattle?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seattle from Missoula.

Can I find flights from Missoula to Seattle with flexible booking policies on momondo?

All flight searches from Missoula to Seattle on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Missoula to Seattle?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from Missoula.

I’m not ready to book a flight from Missoula to Seattle right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Seattle from Missoula. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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