Seattle

$54+ Cheap flights from Montana to Seattle (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 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SEA
Jan 27 — Feb 31
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Cheap flight deals from Montana to Seattle

Cheapest flights from Montana to Seattle
Explore the most affordable flight options available from Montana to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/272:57 pmBZN - SEA
Nonstop2h 05mAlaska Airlines
Sat 1/311:20 amSEA - BZN
Nonstop1h 43mAlaska Airlines
Deal found 12/26$576
This Delta deal was found by Cheapflights users on 12/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:20 amMSO - SEA
1 stop5h 48mDelta
Sat 1/39:35 amSEA - MSO
1 stop7h 00mDelta
Deal found 12/26$583
This Delta deal was found by Cheapflights users on 12/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:20 amFCA - SEA
1 stop5h 48mDelta
Thu 1/14:57 pmSEA - FCA
1 stop5h 24mDelta
Deal found 12/26$588
This Delta deal was found by Cheapflights users on 12/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:20 amBZN - SEA
1 stop5h 48mDelta
Sat 1/39:35 amSEA - BZN
1 stop7h 01mDelta
Deal found 12/26$597
This Delta deal was found by Cheapflights users on 12/27. 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.
Wed 12/315:30 amGTF - SEA
1 stop5h 38mDelta
Sat 1/39:35 amSEA - GTF
1 stop7h 03mDelta
Deal found 12/27$602
This Alaska Airlines deal was found by Cheapflights users on 12/26. 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 12/274:21 pmMSO - SEA
Nonstop1h 43mAlaska Airlines
Sat 1/31:04 pmSEA - MSO
Nonstop1h 29mAlaska Airlines
Deal found 12/26$603
This Delta deal was found by Cheapflights users on 12/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:20 amFCA - SEA
1 stop5h 48mDelta
Sun 1/44:57 pmSEA - FCA
1 stop6h 49mDelta
Deal found 12/26$607
This Alaska Airlines deal was found by Cheapflights users on 12/26. 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 12/272:16 pmFCA - SEA
Nonstop2h 01mAlaska Airlines
Sat 1/35:10 pmSEA - FCA
Nonstop1h 20mAlaska Airlines
Deal found 12/26$608
This Alaska Airlines deal was found by Cheapflights users on 12/25. 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.
Tue 12/305:20 amMSO - SEA
1 stop6h 11mAlaska Airlines
Thu 1/11:04 pmSEA - MSO
Nonstop1h 29mAlaska Airlines
Deal found 12/25$613
This Alaska Airlines deal was found by Cheapflights users on 12/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:21 pmGTF - SEA
Nonstop2h 13mAlaska Airlines
Sat 1/34:05 pmSEA - GTF
Nonstop1h 36mAlaska Airlines
Deal found 12/27$623
This Alaska Airlines deal was found by Cheapflights users on 12/26. 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 12/271:43 pmBZN - SEA
1 stop23h 54mAlaska Airlines
Sun 12/284:34 pmSEA - BZN
Nonstop1h 42mAlaska Airlines
Deal found 12/26$627
This Southwest deal was found by Cheapflights users on 12/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:15 amBZN - SEA
2 stops10h 20mSouthwest
Sat 1/35:30 amSEA - BZN
1 stop5h 20mSouthwest
Deal found 12/26$637

Find flight deals from Montana to Seattle

Keep the following information in mind while searching for Montana to Seattle flight deals. Data was last updated December 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$116
(Kiwi.com)

One-way from

$54
(Kiwi.com)

Popular in

January

Cheapest in

October

Average price

$257

Good round-trip deal

$177 or less

Good one-way deal

$154 or less
Provider with most accurate pricing for Bozeman Gallatin Field-Seattle/Tacoma Intl flight deals.
Provider most trusted by Cheapflights users for Bozeman Gallatin Field-Seattle/Tacoma Intl flights.
From Montana to Seattle/Tacoma Intl
One-way flight from Montana to Seattle/Tacoma Intl
Highest demand for flights based on searches. 4% potential increase in price ($12 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from Montana to Seattle/Tacoma Intl.
Price to beat on a one-way flight from Montana to Seattle/Tacoma Intl.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montana 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 December 28, 2025.
Use the filters below to find and compare flights from Montana to Seattle that are best for you.

Fly from

Montana

Fly to

Seattle

Route

Depart

Return

Price

BozemanSeattle

BZN - SEA

BZNSEA

Bozeman Gallatin Field

Fri 1/23

7:20 am-8:49 am

Nonstop2h 29m

Seattle/Tacoma Intl

Sat 1/24

9:16 pm-11:56 pm

Nonstop1h 40m

$117

BozemanSeattle

BZN - SEA

BZNSEA

Bozeman Gallatin Field

Wed 1/28

3:00 pm-4:17 pm

Nonstop2h 17m

Seattle/Tacoma Intl

Tue 2/3

11:36 am-2:20 pm

Nonstop1h 44m

$117

BozemanSeattle

BZN - SEA

BZNSEA

Bozeman Gallatin Field

Wed 1/21

3:00 pm-4:17 pm

Nonstop2h 17m

Seattle/Tacoma Intl

Sat 1/24

5:45 pm-8:25 pm

Nonstop1h 40m

$117

BozemanSeattle

BZN - SEA

BZNSEA

Bozeman Gallatin Field

Sat 1/31

3:00 pm-4:17 pm

Nonstop2h 17m

Seattle/Tacoma Intl

Wed 2/4

7:45 pm-10:27 pm

Nonstop1h 42m

$117

BozemanSeattle

BZN - SEA

BZNSEA

Bozeman Gallatin Field

Thu 3/5

7:30 am-8:43 am

Nonstop2h 13m

Seattle/Tacoma Intl

Sun 3/8

11:47 am-2:35 pm

Nonstop1h 48m

$117

BozemanSeattle

BZN - SEA

BZNSEA

Bozeman Gallatin Field

Mon 3/2

7:30 am-8:43 am

Nonstop2h 13m

Seattle/Tacoma Intl

Tue 3/3

11:38 am-2:20 pm

Nonstop1h 42m

$117

BozemanSeattle

BZN - SEA

BZNSEA

Bozeman Gallatin Field

Fri 3/27

3:19 pm-4:22 pm

Nonstop2h 03m

Seattle/Tacoma Intl

Mon 3/30

11:47 am-2:36 pm

Nonstop1h 49m

$117

BozemanSeattle

BZN - SEA

BZNSEA

Bozeman Gallatin Field

Fri 2/27

7:30 am-8:43 am

Nonstop2h 13m

Seattle/Tacoma Intl

Mon 3/2

7:45 pm-10:25 pm

Nonstop1h 40m

$117

BozemanSeattle

BZN - SEA

BZNSEA

Bozeman Gallatin Field

Fri 1/23

3:00 pm-4:17 pm

Nonstop2h 17m

Seattle/Tacoma Intl

Sat 1/24

5:45 pm-8:25 pm

Nonstop1h 40m

$117

Great FallsSeattle

GTF - SEA

GTFSEA

Great Falls

Sat 2/28

6:28 pm-7:21 pm

Nonstop1h 53m

Seattle/Tacoma Intl

Tue 3/3

1:36 pm-4:17 pm

Nonstop1h 41m

$147

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/27

Showing 1-10 of 60 results
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Best time to book a flight from Montana to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Montana 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 Montana to Seattle

What is the cheapest month to book a flight from Montana to Seattle?

Currently, November is the cheapest month in which you can book a flight from Montana to Seattle (average of $87). Flying from Montana to Seattle in March is currently the most expensive (average of $177). 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 MT to SEA?

Find hourly flight availability from Montana 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 December 28, 2025.

It’s typically best to fly out from Montana to Seattle in the afternoon. Doing so could potentially save you 54% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Montana to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Montana to Seattle. Price data was last updated on December 27, 2025.

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

Weekly flight availability from Montana to Seattle

Explore weekly flight availability from Montana 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 December 28, 2025.

The most flights from USMT to SEA are scheduled on a Friday (27 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (11 on average).

Related info for your journey

Find useful and relevant information for your journey from Montana to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Seattle from Montana?

    Seattle/Tacoma Intl (SEA) is the airport you will fly into if you book a flight from Montana to Seattle. It is only a 11.4 mi journey from Seattle/Tacoma Intl (SEA) to Seattle’s city center.

  • How popular is this Montana to Seattle flight route?

  • How long is the flight from Montana to Seattle?

    Alaska Airlines and Delta can get you from Montana to Seattle in just under 2h 17m. Your travel time will be generally consistent. The distance from Montana to Seattle is about 541 mi. All flights are typically nonstop.

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

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $58. Users have also found prices from $59 and $78 on Alaska Airlines and Hawaiian Airlines, respectively.

  • What are the most popular routes from Montana to Seattle?

  • What are the most reliable airlines from Montana to Seattle?

    Consider WestJet (97%), Air France (96%) or Horizon Air (95%) when booking your flight. These represent the most reliable airlines when flying from Montana to Seattle.

  • What are the cheapest flights from Montana to Seattle?

    Looking for the cheapest flight from Montana to Seattle? While on average our users pay $832, our data indicates the cheapest price to be $126. The most popular route (Bozeman Gallatin Field - Seattle/Tacoma Intl), is priced around $117.

  • Can I find deals for flights from Montana to Seattle that include hotel bookings?

    Yes. In addition to deals on Montana to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Montana to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montana to Seattle.

  • Can I find deals for business class flights from Montana to Seattle?

    Yes. Cheapflights offers flight deals from Montana 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 Montana to Seattle?

    Currently, November is the cheapest month in which you can book a flight from Montana to Seattle (average of $87). Flying from Montana to Seattle in March is currently the most expensive (average of $177). 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
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Edmonds
Lynnwood
Renton
Puyallup
Kirkland
Kent
Tukwila
Cle Elum
Marysville
Fife
Aberdeen
Shoreline
Centralia
Federal Way
Chehalis

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Alternative routes for Montana to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Montana to Seattle

Discover the top 3 airlines that operate flights from Montana 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 December 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$98Average$272FlexibilityNo cancel feeOn-time85%
DeltaCheapest$128Average$251FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$137Average$283FlexibilityNo cancel feeOn-time75%

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