MSO - SEA

$154 Find Cheap Flights from Missoula to Seattle - Compare and Save

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Everything you should know

Cheapest round-trip
$257
Typical prices: $235-$435
Alaska Airlines
Wed 11/7Wed 11/14
MSO - SEA • Non-stop
Cheapest one-way
$154
Typical prices: $196-$344
Delta
Mon 1/8
MSO - SEA • 1 stop
Nonstop flights
You can fly direct with Alaska Airlines. Average duration is 1h 44m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 10 weeks in advance save around 66% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 24% price drop
Most popular
Good to know
+1
Good to know
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We hope you love your trip to Seattle!

Cheap Flights from Missoula to Seattle (MSO-SEA)

 

Cheap flights from Missoula to Seattle with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Thu, Feb 11 - Sun, Feb 14
Delta Logo
6:10 pm - 12:11 amMSO  Missoula Johnson-Bell Field-SEA Seattle/Tacoma Intl
7h 01m1 stop Salt Lake City
Delta Logo
5:45 am - 12:36 pmSEA  Seattle/Tacoma Intl-MSO Missoula Johnson-Bell Field
5h 51m1 stop Salt Lake City
$137Delta
Sat, Nov 7 - Sat, Nov 14
Alaska Airlines Logo
2:02 pm - 2:44 pmMSO  Missoula Johnson-Bell Field-SEA Seattle/Tacoma Intl
1h 42mnonstop
Alaska Airlines Logo
6:53 pm - 9:18 pmSEA  Seattle/Tacoma Intl-MSO Missoula Johnson-Bell Field
1h 25mnonstop
$257Alaska Airlines
Fri, Nov 13 - Sat, Nov 14
Alaska Airlines Logo
2:02 pm - 2:44 pmMSO  Missoula Johnson-Bell Field-SEA Seattle/Tacoma Intl
1h 42mnonstop
Alaska Airlines Logo
12:57 pm - 3:31 pmSEA  Seattle/Tacoma Intl-MSO Missoula Johnson-Bell Field
1h 34mnonstop
$262Alaska Airlines
Thu, Nov 12 - Sat, Nov 14
Alaska Airlines Logo
4:21 pm - 5:02 pmMSO  Missoula Johnson-Bell Field-SEA Seattle/Tacoma Intl
1h 41mnonstop
Alaska Airlines Logo
12:57 pm - 3:31 pmSEA  Seattle/Tacoma Intl-MSO Missoula Johnson-Bell Field
1h 34mnonstop
$262Alaska Airlines
Thu, Dec 10 - Mon, Dec 14
Alaska Airlines Logo
7:01 am - 7:44 amMSO  Missoula Johnson-Bell Field-SEA Seattle/Tacoma Intl
1h 43mnonstop
Alaska Airlines Logo
8:55 pm - 11:19 pmSEA  Seattle/Tacoma Intl-MSO Missoula Johnson-Bell Field
1h 24mnonstop
$267Alaska Airlines
Fri, Feb 5 - Mon, Feb 8
Alaska Airlines Logo
7:41 am - 8:27 amMSO  Missoula Johnson-Bell Field-SEA Seattle/Tacoma Intl
1h 46mnonstop
Alaska Airlines Logo
1:07 pm - 3:32 pmSEA  Seattle/Tacoma Intl-MSO Missoula Johnson-Bell Field
1h 25mnonstop
$267Alaska Airlines
Fri, Feb 5 - Mon, Feb 8
Alaska Airlines Logo
4:22 pm - 4:57 pmMSO  Missoula Johnson-Bell Field-SEA Seattle/Tacoma Intl
1h 35mnonstop
Alaska Airlines Logo
6:57 pm - 9:24 pmSEA  Seattle/Tacoma Intl-MSO Missoula Johnson-Bell Field
1h 27mnonstop
$267Alaska Airlines
Thu, Nov 12 - Sun, Nov 15
Alaska Airlines Logo
4:21 pm - 5:02 pmMSO  Missoula Johnson-Bell Field-SEA Seattle/Tacoma Intl
1h 41mnonstop
Alaska Airlines Logo
6:53 pm - 9:18 pmSEA  Seattle/Tacoma Intl-MSO Missoula Johnson-Bell Field
1h 25mnonstop
$267Alaska Airlines
Thu, Nov 12 - Sun, Nov 15
Alaska Airlines Logo
7:03 am - 7:44 amMSO  Missoula Johnson-Bell Field-SEA Seattle/Tacoma Intl
1h 41mnonstop
Alaska Airlines Logo
6:53 pm - 9:18 pmSEA  Seattle/Tacoma Intl-MSO Missoula Johnson-Bell Field
1h 25mnonstop
$267Alaska Airlines
Sat, Dec 5 - Tue, Dec 8
Delta Logo
1:19 pm - 6:52 pmMSO  Missoula Johnson-Bell Field-SEA Seattle/Tacoma Intl
6h 33m1 stop Salt Lake City
Delta Logo
5:57 pm - 12:37 amSEA  Seattle/Tacoma Intl-MSO Missoula Johnson-Bell Field
5h 40m1 stop Salt Lake City
$297Delta

Price, demand and travel trends for Missoula to Seattle flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Missoula to Seattle?

Round-trip flights from Missoula to Seattle typically range from $235 to $435. The lowest price found in the past 5 days was $257, on Alaska Airlines.

What's the cheapest day of the week to fly from Missoula to Seattle?

Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from Missoula to Seattle. It’s 13% cheaper than the average day, while Sunday is the most expensive, with prices 22% higher.

What’s the cheapest month to fly from Missoula to Seattle?

•January is the cheapest month to fly from Missoula to Seattle at $227 round-trip.
•July ($527) and August ($357) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 132% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Missoula to Seattle the cheapest?

Flights from Missoula to Seattle are cheapest 10 weeks before departure. Booking in this window typically costs about 66% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Missoula to Seattle flights

Low season

October

Cheapest flight

$154
Beat the crowds with an average 35% drop in travelers.
The most popular month to fly with an average 63% increase in travelers.
One-way flight from Missoula to Seattle

When to book flights from Missoula to Seattle

Are your dates flexible? Find out the best times to travel from Missoula to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Missoula to Seattle flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Missoula to Seattle?

    These are the earliest and latest flight times available from Missoula to Seattle:

    • Earliest: departs at 6:22 am and lands at 8:06 am
    • Latest: departs at 4:50 pm and lands at 6:34 pm.

    The flight takes about 1h 44m.

  • What cabin classes can I book on flights from Missoula to Seattle?

    Two cabin classes are available on flights from Missoula to Seattle:

    • Economy Class
    • First Class

  • How long is a flight from Missoula to Seattle?

    A nonstop flight from Missoula to Seattle takes 1h 44m, covering 387 miles.

  • Do I need a passport to fly from Missoula to Seattle?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Missoula to Seattle flight?

    Round-trip flights from Missoula to Seattle range from $235 to $435, with an average of $299 over the past 12 months. Anything below $235 counts as a good deal.

  • How expensive are last-minute Missoula to Seattle flights?

    Last-minute fares on this route (booked within two weeks of departure) run 100% above the $299 route average. Book 10 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Missoula to Seattle?

    On this route, nonstop flights are cheaper than layover options on average. Nonstop fares average $297 round-trip, compared to $412 via a layover through Salt Lake City (SLC).

  • What is the standard checked-bag allowance on flights from Missoula to Seattle?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$40 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Missoula to Seattle?

    The Boeing 737-700 family is used most often on this route, operated mainly by Alaska Airlines and Hawaiian Airlines. Other aircraft seen on the route include Embraer 175 variants.

  • How are flight departures from Missoula to Seattle spread across the day?

    Afternoon is the busiest departure period on Missoula to Seattle flights, with 66% of flights leaving in that window. Morning departures account for 34%, evening flights for 0%, and night flights for 0%.

  • Have flight prices from Missoula to Seattle changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $257 to $1,252. That means the highest observed fare was about 5x higher than the lowest one.

  • Which airlines offer Wi-Fi on Missoula to Seattle flights?

    Alaska Airlines is the only airline on the Missoula to Seattle route offering in-flight Wi-Fi. Pricing depends on fare class.

  • How are flight prices from Missoula to Seattle looking right now?

    One-way fares from Missoula to Seattle are currently lower than usual. Average one-way flight prices are about $180, which is 30% below the typical average for this route.

  • What car rental options are available at Seattle/Tacoma Intl Airport (SEA)?

    Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:

    • Fox
    • Europcar
    • Thrifty
    • Budget
    • Hertz

  • Which airports can I use when flying from Missoula to Seattle?

    Flights from Missoula to Seattle usually depart from Missoula Johnson-Bell Field (MSO) and arrive at Seattle/Tacoma Intl (SEA).

  • Which airports do connecting flights from Missoula to Seattle pass through?

    Most connecting flights from Missoula to Seattle pass through Salt Lake City (SLC), which handles 100% of one-stop traffic on this route.

  • Can I save money by using flexible dates for flights from Missoula to Seattle?

    Yes. Flexible dates can save you up to 29% on flights from Missoula to Seattle. Saturday is the cheapest departure day at $262 round-trip on average, while Sunday is the most expensive at $367, a difference of $105.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What airlines fly from Missoula to Seattle?

    Only Alaska Airlines operates flights between Missoula and Seattle.

  • What is the time difference between Missoula and Seattle?

    Seattle is 1 hour behind Missoula (Pacific Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Seattle?

    Some of the most popular sights in Seattle are Pike Place Market, Lumen Field and Space Needle. These are among the most viewed places in Seattle on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Missoula to Seattle flights?

    Among airlines operating Missoula to Seattle flights:

    • Alaska Airlines: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Missoula to Seattle flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Alaska Airlines: a cabin bag and a checked bag in Economy Class
    • Hawaiian Airlines: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

  • Delta and Alaska Airlines generally allow pets, mostly cats and dogs, on board flights between Missoula Montana Airport (MSO) and Seattle-Tacoma International Airport (SEA). Usually, pets traveling in the cabin must be placed in an airline-approved pet carrier that fits under the seat in front of you. The airline should provide enough space for your pet to stand, turn around, and lie down comfortably.

    Passengers with disabilities or special needs will enjoy accessible flight services from Missoula Montana Airport (MSO) to Seattle-Tacoma International Airport (SEA). Generally, they offer wheelchair assistance for travelers who require mobility support. This includes assistance with boarding, deplaning, and navigating the airport terminals.

  • Which other nearby cities are served by Seattle-Tacoma International Airport (SEA)?

    In addition to Seattle, Seattle-Tacoma International Airport (SEA) is a major gateway to many other towns in the neighborhood. Therefore, if you plan to visit destinations such as Bellevue, Olympia, Everett, and Bremerton, you must land at SEA before getting there by road. Transfer options include bus, taxi, and car rental.

  • What are the most popular layovers on flights between Missoula Montana Airport (MSO) and Seattle-Tacoma International Airport (SEA)?

    On flights between Missoula Montana Airport (MSO) and Seattle-Tacoma International Airport (SEA), some of the most popular layover airports include Denver International Airport (DEN), Salt Lake City International Airport (SLC), Minneapolis-St. Paul International Airport (MSP), Portland International Airport (PDX). Typically, the stopovers depend on the airline and flight schedules.

  • What are the most eco-friendly airlines offering flights from Missoula Montana Airport (MSO) to Seattle-Tacoma International Airport (SEA)?

    Several airlines have committed to sustainability and environmental initiatives between Missoula Montana Airport (MSO) and Seattle-Tacoma International Airport (SEA). To this end, Alaska Airlines has made efforts to reduce its carbon footprint, including investments in sustainable aviation fuel and initiatives to improve fuel efficiency. The airline has set a goal to achieve net-zero carbon emissions by 2040.

Your guide to booking Missoula to Seattle flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Saturday departure and avoid flying on Sunday. On this route, Saturday flights average $262, about $105 less than Sunday fares (29% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 10 weeks before you fly. On this route, that window historically saves about 66% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Missoula to Seattle trip for January. Fares historically average $227 round-trip in that month - typically $300 less than the most expensive month, which is July (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Seattle/Tacoma Intl Airport.

    • Coast Gateway Hotel
    • Seattle Airport Marriott
    • Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport
  • Which airlines offer family services on trips between El Dorado International Airport (BOG) and O'Hare International Airport (ORD)?
  • Major airlines like Avianca, American Airlines, and LATAM Airlines offer family services on trips between El Dorado International Airport (BOG) and O'Hare International Airport (ORD). They offer priority boarding for families with young children, allowing them to board the aircraft before other passengers. This gives families extra time to settle in and get situated. Lastly, there provide child-friendly amenities such as kid's meals, activity kits, and entertainment options suitable for children on long-haul or international flights.
  • Mountain Line, the local public transportation system in Missoula, operates a bus service to and from the Missoula Montana Airport (MSO). Route 11 connects downtown Missoula to MSO. Taxis and rideshare services like Uber and Lyft are readily available in Missoula. You can easily book a ride from your location to the terminal. Renting a car is another option for transportation to the airport, especially for those who want convenience and privacy.
  • Various airlines have different carry-on limits along the Missoula Montana Airport (MSO)-Seattle-Tacoma International Airport (SEA) route. It is thus important to check with your preferred carrier before traveling. For instance, the maximum dimensions allowed for a carry-on bag if you are traveling aboard Alaska are 22 x 14 x 9 inches, including wheels and handles. Still, the hand luggage should weigh at most 50 lb.
  • Airlines operating between Missoula Montana Airport (MSO) and Seattle-Tacoma International Airport (SEA) may offer seat upgrades, depending on their specific policies and aircraft configurations. On Alaska and Delta Airlines, passengers can change from Economy to Business and First Class during check-in or boarding.

Prefer to fly direct from Missoula to Seattle?

 
Find which airlines fly direct from Missoula Johnson-Bell Field Airport to Seattle/Tacoma Intl Airport, which days they fly and book direct flights.

Direct departures

Missoula Johnson-Bell Field to Seattle/Tacoma Intl

Monday

Alaska Airlines

Alaska Airlines

Tuesday

Alaska Airlines

Alaska Airlines

Wednesday

Alaska Airlines

Alaska Airlines

Thursday

Alaska Airlines

Alaska Airlines

Friday

Alaska Airlines

Alaska Airlines

Saturday

Alaska Airlines

Alaska Airlines

Sunday

Alaska Airlines

Alaska Airlines

See more direct flights

Direct returns

Seattle/Tacoma Intl to Missoula Johnson-Bell Field

Monday

Alaska Airlines

Alaska Airlines

Tuesday

Alaska Airlines

Alaska Airlines

Wednesday

Alaska Airlines

Alaska Airlines

Thursday

Alaska Airlines

Alaska Airlines

Friday

Alaska Airlines

Alaska Airlines

Saturday

Alaska Airlines

Alaska Airlines

Sunday

Alaska Airlines

Alaska Airlines

See more direct flights

More options for your flight from Missoula to Seattle

Complete your trip to Seattle with a hotel stay or car rental