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$59+ 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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SEA
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
1 adult, Economy
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Cheap flight deals from Montana to Seattle

Keep the following information in mind while searching for Montana to Seattle flight deals. Data was last updated septiembre 17, 2025.

Round-trip from

$125
(Delta)

One-way from

$59
(Delta)

Popular in

December

Cheapest in

February

Average price

$257

Good round-trip deal

$227 or less

Good one-way deal

$153 or less
From Montana to Seattle/Tacoma Intl
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One-way flight from Montana to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 15% potential increase in price ($50 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Montana to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Montana to Seattle/Tacoma Intl.
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Find 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 septiembre 17, 2025.

This Delta deal was found by Cheapflights users on 9/16. 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.
mié. 10/225:20 amFCA - SEA
1 stop4h 46mDelta
sáb. 10/255:25 amSEA - FCA
1 stop4h 51mDelta
Deal found 9/16$125
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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.
sáb. 10/114:12 pmMSO - SEA
Nonstop1h 36mAlaska Airlines
mar. 10/149:55 amSEA - MSO
Nonstop1h 23mAlaska Airlines
Deal found 9/16$137
This Hawaiian Airlines deal was found by Cheapflights users on 9/16. 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.
mié. 10/222:37 pmFCA - SEA
Nonstop1h 42mHawaiian Airlines
sáb. 10/259:59 amSEA - FCA
Nonstop1h 23mHawaiian Airlines
Deal found 9/16$137
This Hawaiian Airlines deal was found by Cheapflights users on 9/17. 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.
mié. 10/151:42 pmBZN - SEA
1 stop5h 33mHawaiian Airlines
sáb. 10/1811:21 amSEA - BZN
Nonstop1h 49mHawaiian Airlines
Deal found 9/17$147
This Delta deal was found by Cheapflights users on 9/16. 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.
mié. 10/225:25 amBIL - SEA
1 stop4h 41mDelta
sáb. 10/255:25 amSEA - BIL
1 stop4h 39mDelta
Deal found 9/16$153
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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.
sáb. 10/256:18 pmHLN - SEA
Nonstop1h 52mAlaska Airlines
mar. 10/283:00 pmSEA - HLN
Nonstop1h 36mAlaska Airlines
Deal found 9/17$157
This Delta deal was found by Cheapflights users on 9/15. 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.
sáb. 10/186:20 pmBZN - SEA
1 stop5h 02mDelta
mié. 10/225:25 amSEA - BZN
1 stop4h 19mDelta
Deal found 9/15$157
This Southwest deal was found by Cheapflights users on 9/16. 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.
mié. 11/124:05 pmBZN - SEA
1 stop7h 50mSouthwest
jue. 11/135:35 amSEA - BZN
1 stop10h 35mSouthwest
Deal found 9/16$159
This Trip.com deal was found by Cheapflights users on 9/17. 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.
sáb. 11/12:07 pmFCA - SEA
Nonstop1h 39mHawaiian Airlines
sáb. 11/810:02 amSEA - FCA
Nonstop1h 22mHawaiian Airlines
Deal found 9/17$164
This Delta deal was found by Cheapflights users on 9/17. 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.
sáb. 10/256:09 pmGTF - SEA
1 stop5h 13mDelta
mar. 10/285:25 amSEA - GTF
1 stop6h 03mDelta
Deal found 9/17$166
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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.
mié. 10/84:12 pmMSO - SEA
Nonstop1h 36mAlaska Airlines
sáb. 10/119:55 amSEA - MSO
Nonstop1h 23mAlaska Airlines
Deal found 9/16$167
This Hawaiian Airlines deal was found by Cheapflights users on 9/16. 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.
mié. 10/157:34 pmBZN - SEA
Nonstop2h 06mHawaiian Airlines
lun. 10/208:00 pmSEA - BZN
Nonstop1h 37mHawaiian Airlines
Deal found 9/16$167

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 septiembre 17, 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

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

mié. 10/22

5:20 am-9:06 am

1 stop4h 46m

Seattle/Tacoma Intl

sáb. 10/25

5:25 am-11:16 am

1 stop4h 51m

$125

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

mié. 10/22

2:37 pm-3:19 pm

Nonstop1h 42m

Seattle/Tacoma Intl

sáb. 10/25

9:59 am-12:22 pm

Nonstop1h 23m

$137

BozemanSeattle

BZN - SEA

BZNSEA

Bozeman Gallatin Field

mié. 10/15

1:42 pm-6:15 pm

1 stop5h 33m

Seattle/Tacoma Intl

sáb. 10/18

11:21 am-2:10 pm

Nonstop1h 49m

$147

HelenaSeattle

HLN - SEA

HLNSEA

Helena

sáb. 10/25

6:18 pm-7:10 pm

Nonstop1h 52m

Seattle/Tacoma Intl

mar. 10/28

3:00 pm-5:36 pm

Nonstop1h 36m

$157

Great FallsSeattle

GTF - SEA

GTFSEA

Great Falls

sáb. 10/25

6:09 pm-10:22 pm

1 stop5h 13m

Seattle/Tacoma Intl

mar. 10/28

5:25 am-12:28 pm

1 stop6h 03m

$166

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

sáb. 11/1

7:19 pm-8:35 pm

Nonstop2h 16m

Seattle/Tacoma Intl

sáb. 11/8

3:47 pm-6:39 pm

Nonstop1h 52m

$175

BozemanSeattle

BZN - SEA

BZNSEA

Bozeman Gallatin Field

jue. 10/16

4:30 pm-11:29 pm

1 stop7h 59m

Seattle/Tacoma Intl

lun. 10/20

5:00 am-1:22 pm

1 stop7h 22m

$177

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

mar. 11/11

6:00 am-7:15 am

Nonstop2h 15m

Seattle/Tacoma Intl

sáb. 11/15

3:47 pm-6:39 pm

Nonstop1h 52m

$177

HelenaSeattle

HLN - SEA

HLNSEA

Helena

sáb. 10/25

1:00 pm-4:32 pm

1 stop4h 32m

Seattle/Tacoma Intl

mar. 10/28

5:25 am-12:20 pm

1 stop5h 55m

$177

Great FallsSeattle

GTF - SEA

GTFSEA

Great Falls

sáb. 10/25

6:15 pm-7:10 pm

Nonstop1h 55m

Seattle/Tacoma Intl

mar. 10/28

3:35 pm-6:10 pm

Nonstop1h 35m

$177

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

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, January is the cheapest month in which you can book a flight from Montana to Seattle (average of $238). Flying from Montana to Seattle in June is currently the most expensive (average of $387). 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 septiembre 17, 2025.

When flying from Montana to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 septiembre 17, 2025.

The most flights from USMT to SEA are scheduled on a Tuesday (26 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (17 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?

    The Montana to Seattle/Tacoma Intl flight path was viewed by 23 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Montana to Seattle?

    Delta, Hawaiian Airlines, and Alaska Airlines can get you from Montana to Seattle in just under 1h 42m. Your travel time can differ by up to 3h 04m. The distance from Montana to Seattle is about 377 mi. This flight may include one or multiple stops.

  • 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 $59. Users have also found prices from $66 and $89 on Hawaiian Airlines and Alaska Airlines, respectively.

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

    While some choose either Missoula Johnson-Bell Field - Seattle/Tacoma Intl or Kalispell Glacier Park - Seattle/Tacoma Intl, Bozeman Gallatin Field - Seattle/Tacoma Intl is the most popular route from Montana to Seattle.

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

    Consider WestJet (100%), Air France (98%) or Korean Air (93%) 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 $388, our data indicates the cheapest price to be $78. 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, January is the cheapest month in which you can book a flight from Montana to Seattle (average of $238). Flying from Montana to Seattle in June is currently the most expensive (average of $387). 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
Lakewood
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Lacey
Olympia
Kent
Federal Way
Cle Elum
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline

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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 septiembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$88Average$272FlexibilityNo cancel feeOn-time85%
DeltaCheapest$128Average$370FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$167Average$292FlexibilityNo cancel feeOn-time75%

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