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$89+ 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
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
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 43 days in advance, depart on a Friday or Wednesday 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 July 28, 2025.

Round-trip from

$157
(Hawaiian Airlines)

One-way from

$89
(Delta)

Popular in

January

Cheapest in

May

Average price

$268

Good round-trip deal

$245 or less

Good one-way deal

$169 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. 15% potential increase in price ($52 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 28, 2025.

This Hawaiian Airlines deal was found by Cheapflights users on 7/28. 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 9/276:40 pmMSO - SEA
Nonstop1h 35mHawaiian Airlines
Sat 10/113:35 pmSEA - MSO
Nonstop1h 25mHawaiian Airlines
Deal found 7/28$157
This Alaska Airlines deal was found by Cheapflights users on 7/26. 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 11/812:59 pmMSO - SEA
1 stop3h 32mAlaska Airlines
Tue 11/117:40 pmSEA - MSO
1 stop3h 33mAlaska Airlines
Deal found 7/26$176
This FlightHub deal was found by Cheapflights users on 7/26. 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.
Fri 10/1712:40 pmMSO - SEA
1 stop7h 59mFrontier
Sun 10/198:34 pmSEA - MSO
1 stop14h 35mFrontier
Deal found 7/26$205
This Delta deal was found by Cheapflights users on 7/27. 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 9/205:30 amMSO - SEA
1 stop6h 35mDelta
Sun 9/215:45 pmSEA - MSO
1 stop5h 33mDelta
Deal found 7/27$247
This Trip.com deal was found by Cheapflights users on 7/28. 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 8/301:12 pmMSO - SEA
1 stop5h 38mMultiple Airlines
Sun 8/317:56 amSEA - MSO
1 stop4h 38mMultiple Airlines
Deal found 7/28$253

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 July 28, 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

Sat 9/27

6:40 pm-7:15 pm

Nonstop1h 35m

Seattle/Tacoma Intl

Sat 10/11

3:35 pm-6:00 pm

Nonstop1h 25m

$157

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Sat 11/8

12:59 pm-3:31 pm

1 stop3h 32m

Seattle/Tacoma Intl

Tue 11/11

7:40 pm-12:13 am

1 stop3h 33m

$176

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Fri 10/17

12:40 pm-7:39 pm

1 stop7h 59m

Seattle/Tacoma Intl

Sun 10/19

8:34 pm-12:09 pm

1 stop14h 35m

$205

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Sat 9/20

5:30 am-11:05 am

1 stop6h 35m

Seattle/Tacoma Intl

Sun 9/21

5:45 pm-12:18 am

1 stop5h 33m

$247

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Wed 8/20

6:24 pm-10:20 pm

1 stop4h 56m

$89

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Tue 8/19

6:36 pm-7:11 pm

Nonstop1h 35m

$99

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Mon 8/4

12:40 pm-12:34 am

1 stop12h 54m

$105

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Wed 8/20

6:40 pm-7:15 pm

Nonstop1h 35m

$119

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Fri 8/29

10:27 pm-8:38 pm

2 stops23h 11m

$214

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Tue 8/26

10:38 am-10:59 pm

3 stops13h 21m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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 July 25, 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 43 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 June is currently the most expensive (average of $389). 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 July 28, 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 July 20, 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 at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Missoula to Seattle

Explore weekly flight availability from Missoula to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 28, 2025.

The most flights from MSO to SEA are scheduled on a Sunday (14 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (11 on average).

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 July 28, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, 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
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Delta
8.0
Very good
7,971 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Hawaiian Airlines
7.8
Good
2,604 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
United Airlines
7.4
Good
8,893 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

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 12 flights from Johnson-Bell Field to Seattle/Tacoma Intl, all of which are around 1h 34m 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 29 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 Hawaiian Airlines is currently your cheapest option to Seattle, with prices starting at $157. Additional round-trip tickets that might be worth considering are offered by Alaska Airlines and Frontier, with the lowest prices starting at $176 and $205, respectively. Hawaiian Airlines is currently priced 45% 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 Delta, which is currently one of the cheapest options available, starting at $89. Alaska Airlines flights start at $99 while deals on Frontier start at $105 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 (100%), Korean Air (100%), British Airways( 100%).

  • What are the cheapest flights from Missoula to Seattle?

    On average you can expect to pay $325 for a flight from Missoula to Seattle. The cheapest flight overall is $118 while the most popular route, (Missoula Johnson-Bell Field - Seattle/Tacoma Intl) is currently priced at $138.

  • 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 June is currently the most expensive (average of $389). 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
Tukwila
Tacoma
Ocean Shores
Lakewood
Lynnwood
Lacey
Leavenworth
Renton
Olympia
Puyallup
Kent
Cle Elum
Chehalis
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Issaquah
Aberdeen
Shoreline
Federal Way
Shelton

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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 July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$167Average$217FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$183Average$292FlexibilityNo cancel feeOn-time75%

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