Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Missoula to Seattle from $129

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 5/21. 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

Find the cheapest flights from Missoula to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
3:55 pm - 4:30 pm
MSO
-
SEA
1h 35mnonstop
Alaska Airlines Logo
4:57 pm - 7:22 pm
SEA
-
MSO
1h 25mnonstop
$197Alaska Airlines
mar., mai 12 - mar., mai 19
Alaska Airlines Logo
8:02 pm - 8:35 pm
MSO
-
SEA
1h 33mnonstop
Alaska Airlines Logo
9:28 pm - 11:59 pm
SEA
-
MSO
1h 31mnonstop
$207Alaska Airlines
ven., mai 22 - mar., mai 26
Alaska Airlines Logo
2:03 pm - 2:36 pm
MSO
-
SEA
1h 33mnonstop
Alaska Airlines Logo
12:04 pm - 2:43 pm
SEA
-
MSO
1h 39mnonstop
$217Alaska Airlines
ven., mai 15 - lun., mai 18
Alaska Airlines Logo
7:45 am - 8:29 am
MSO
-
SEA
1h 44mnonstop
Alaska Airlines Logo
9:28 pm - 11:59 pm
SEA
-
MSO
1h 31mnonstop
$237Alaska Airlines
mer., mai 27 - mer., mai 27
Alaska Airlines Logo
8:02 pm - 8:35 pm
MSO
-
SEA
1h 33mnonstop
Alaska Airlines Logo
9:50 am - 12:16 pm
SEA
-
MSO
1h 26mnonstop
$242Alaska Airlines
mer., mai 13 - sam., mai 16
Alaska Airlines Logo
3:55 pm - 4:30 pm
MSO
-
SEA
1h 35mnonstop
Alaska Airlines Logo
9:28 pm - 11:59 pm
SEA
-
MSO
1h 31mnonstop
$247Alaska Airlines
mar., mai 12 - ven., mai 15
Alaska Airlines Logo
8:02 pm - 8:35 pm
MSO
-
SEA
1h 33mnonstop
Alaska Airlines Logo
9:27 pm - 11:56 pm
SEA
-
MSO
1h 29mnonstop
$252Alaska Airlines
ven., mai 15 - dim., juin 14
Alaska Airlines Logo
12:56 pm - 6:54 pm
MSO
-
SEA
6h 58m
1 stop
Alaska Airlines Logo
9:28 pm - 11:59 pm
SEA
-
MSO
1h 31mnonstop
$277Alaska Airlines
mer., mai 27 - mer., mai 27
Alaska Airlines Logo
1:08 pm - 9:48 am
MSO
-
SEA
21h 40m
1 stop
Alaska Airlines Logo
12:14 pm - 2:59 pm
SEA
-
MSO
1h 45mnonstop
$278Alaska Airlines
sam., mai 9 - dim., mai 10
Alaska Airlines Logo
5:00 pm - 5:41 pm
MSO
-
SEA
1h 41mnonstop
Alaska Airlines Logo
9:27 pm - 11:56 pm
SEA
-
MSO
1h 29mnonstop
$287Alaska Airlines
ven., juin 19 - dim., juin 21

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Alaska Airlines flights from Missoula to Seattle

Our best Alaska Airlines deals on Missoula to Seattle flight tickets
Alaska Airlines
May 12
MSO3:55 pmMissoula Johnson-Bell Field
1h 35m
SEA4:30 pmSeattle/Tacoma Intl
May 19
SEA4:57 pmSeattle/Tacoma Intl
1h 25m
MSO7:22 pmMissoula Johnson-Bell Field
$197
Alaska Airlines
May 22
MSO8:02 pmMissoula Johnson-Bell Field
1h 33m
SEA8:35 pmSeattle/Tacoma Intl
May 26
SEA9:28 pmSeattle/Tacoma Intl
1h 31m
MSO11:59 pmMissoula Johnson-Bell Field
$207
Alaska Airlines
May 15
MSO2:03 pmMissoula Johnson-Bell Field
1h 33m
SEA2:36 pmSeattle/Tacoma Intl
May 18
SEA12:04 pmSeattle/Tacoma Intl
1h 39m
MSO2:43 pmMissoula Johnson-Bell Field
$217

Delta flights from Missoula to Seattle

Our best Delta deals on Missoula to Seattle flight tickets
Delta
Jun 3
MSO6:05 pmMissoula Johnson-Bell Field
7h 05m
1 stop
SEA12:10 amSeattle/Tacoma Intl
Jun 6
SEA5:45 pmSeattle/Tacoma Intl
4h 31m
1 stop
MSO11:16 pmMissoula Johnson-Bell Field
$298
Delta
Jun 3
MSO6:05 pmMissoula Johnson-Bell Field
7h 05m
1 stop
SEA12:10 amSeattle/Tacoma Intl
Jun 6
SEA5:45 pmSeattle/Tacoma Intl
4h 31m
1 stop
MSO11:16 pmMissoula Johnson-Bell Field
$306
Delta
May 23
MSO6:05 pmMissoula Johnson-Bell Field
4h 58m
1 stop
SEA10:03 pmSeattle/Tacoma Intl
May 27
SEA5:45 pmSeattle/Tacoma Intl
5h 37m
1 stop
MSO12:22 amMissoula Johnson-Bell Field
$307

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 avril 18, 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

mar. 5/12

3:55 pm-4:30 pm

Nonstop1h 35m

Seattle/Tacoma Intl

mar. 5/19

4:57 pm-7:22 pm

Nonstop1h 25m

$197

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

ven. 5/22

8:02 pm-8:35 pm

Nonstop1h 33m

Seattle/Tacoma Intl

mar. 5/26

9:28 pm-11:59 pm

Nonstop1h 31m

$207

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

ven. 5/15

2:03 pm-2:36 pm

Nonstop1h 33m

Seattle/Tacoma Intl

lun. 5/18

12:04 pm-2:43 pm

Nonstop1h 39m

$217

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

mer. 5/27

7:45 am-8:29 am

Nonstop1h 44m

Seattle/Tacoma Intl

mer. 5/27

9:28 pm-11:59 pm

Nonstop1h 31m

$237
Quickest round-trip

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

mer. 5/13

8:02 pm-8:35 pm

Nonstop1h 33m

Seattle/Tacoma Intl

sam. 5/16

9:50 am-12:16 pm

Nonstop1h 26m

$242

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

mar. 5/12

3:55 pm-4:30 pm

Nonstop1h 35m

Seattle/Tacoma Intl

ven. 5/15

9:28 pm-11:59 pm

Nonstop1h 31m

$247

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

ven. 5/15

8:02 pm-8:35 pm

Nonstop1h 33m

Seattle/Tacoma Intl

dim. 6/14

9:27 pm-11:56 pm

Nonstop1h 29m

$252

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

mer. 5/27

12:56 pm-6:54 pm

1 stop6h 58m

Seattle/Tacoma Intl

mer. 5/27

9:28 pm-11:59 pm

Nonstop1h 31m

$277

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

sam. 5/9

1:08 pm-9:48 am

1 stop21h 40m

Seattle/Tacoma Intl

dim. 5/10

12:14 pm-2:59 pm

Nonstop1h 45m

$278

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

ven. 6/19

5:00 pm-5:41 pm

Nonstop1h 41m

Seattle/Tacoma Intl

dim. 6/21

9:27 pm-11:56 pm

Nonstop1h 29m

$287

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 typical price of a round-trip flight between Missoula and Seattle?

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 $187. If you don’t want to visit Seattle in September, then you should wait until January to fly from Missoula, when ticket prices are also cheap, with an average price of $227.

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 $377. 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 $474.

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

Flying to Seattle from Missoula in the evening is the least expensive time of day to depart. momondo users have found prices as low as $337 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $481. 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 $254 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 $167 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 April 2026, prices for Missoula to Seattle flights are approximately 93% 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

$223

Fastest flight time

1h 34m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Missoula in the past 72 hours is $223. The best round-trip flight deal from Missoula to Seattle found on momondo in the last 72 hours is $331.
The fastest flight from Missoula to Seattle takes 1h 34m
Direct flights go from Missoula to Seattle every day.
There is 1 airport in Seattle. From Missoula there are direct flights to Seattle/Tacoma Intl (SEA).
Search flight deals

Frequently asked questions about flying from Missoula to Seattle

  • 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 34m, 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
7.9
12,261 reviews
Search Alaska Airlines flights
Hawaiian AirlinesPriceFrom $167Free CancellationRating
7.8
2,837 reviews
Search Hawaiian Airlines flights

  • Alaska Airlines Flights From Missoula to Seattle

    Across 9 Alaska Airlines flights from Missoula to Seattle this week, the average price was $260, with the best Alaska Airlines deals starting from $157 round-trip. 12,261 users have rated Alaska Airlines on momondo, with an average score of 7.9/10.

  • Hawaiian Airlines Flights From Missoula to Seattle

    Another popular option for Missoula to Seattle flights is Hawaiian Airlines (7.8/10, 2,837 ratings). Hawaiian Airlines flies from Missoula to Seattle around 13 times per week, with deals starting from $167 round-trip and rising to an average price of around $207.

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
Redmond
Marysville
Lakewood
Tukwila
Puyallup
Cle Elum
Federal Way
Centralia
Fife
Westport
Shoreline
Tumwater

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.

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
lun. 5/18
lun. 5/25
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States