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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 3/22. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SEA
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
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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 February 12, 2026.

This Delta deal was found by Cheapflights users on 2/12. 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 4/283:15 pm
BZN
-
SEA
Nonstop2h 00m
Delta
Sat 5/211:45 am
SEA
-
BZN
Nonstop1h 50m
Delta
Deal found 2/12$117
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 3/77:21 pm
BZN
-
SEA
Nonstop2h 14m
Hawaiian Airlines
Sun 3/89:16 pm
SEA
-
BZN
Nonstop1h 40m
Hawaiian Airlines
Deal found 2/9$136
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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 4/216:22 pm
HLN
-
SEA
Nonstop1h 49m
Alaska Airlines
Sat 4/253:07 pm
SEA
-
HLN
Nonstop1h 38m
Alaska Airlines
Deal found 2/10$137
This Alaska Airlines deal was found by Cheapflights users on 2/9. 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 5/62:06 pm
BIL
-
SEA
Nonstop2h 07m
Alaska Airlines
Sat 5/1610:17 am
SEA
-
BIL
Nonstop1h 59m
Alaska Airlines
Deal found 2/9$137
This Trip.com deal was found by Cheapflights users on 2/9. 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 3/77:00 am
BZN
-
SEA
Nonstop2h 11m
Alaska Airlines
Sun 3/89:10 am
SEA
-
BZN
1 stop5h 12m
Alaska Airlines
Deal found 2/9$146
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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 3/34:36 pm
HLN
-
SEA
Nonstop1h 50m
Alaska Airlines
Sun 3/81:21 pm
SEA
-
HLN
Nonstop1h 38m
Alaska Airlines
Deal found 2/10$147
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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 3/104:57 pm
GTF
-
SEA
Nonstop2h 03m
Alaska Airlines
Tue 3/171:36 pm
SEA
-
GTF
Nonstop1h 41m
Alaska Airlines
Deal found 2/10$147
This Alaska Airlines deal was found by Cheapflights users on 2/9. 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.
Mon 3/27:00 am
BZN
-
SEA
Nonstop2h 11m
Alaska Airlines
Tue 3/39:16 pm
SEA
-
BZN
Nonstop1h 40m
Alaska Airlines
Deal found 2/9$147
This Aunt Betty deal was found by Cheapflights users on 2/11. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/297:00 am
BZN
-
SEA
Nonstop2h 08m
Hawaiian Airlines
Sun 4/59:18 pm
SEA
-
BZN
Nonstop1h 39m
Hawaiian Airlines
Deal found 2/11$152
This Trip.com deal was found by Cheapflights users on 2/8. 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.
Tue 3/107:53 pm
FCA
-
SEA
Nonstop1h 34m
Hawaiian Airlines
Tue 3/179:36 pm
SEA
-
FCA
Nonstop1h 21m
Hawaiian Airlines
Deal found 2/8$153
This Alaska Airlines deal was found by Cheapflights users on 2/9. 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 3/317:00 am
MSO
-
SEA
Nonstop1h 41m
Alaska Airlines
Wed 4/81:08 pm
SEA
-
MSO
Nonstop1h 27m
Alaska Airlines
Deal found 2/9$157
This Delta deal was found by Cheapflights users on 2/8. 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 3/36:30 pm
BZN
-
SEA
1 stop6h 39m
Delta
Sun 3/87:59 pm
SEA
-
BZN
Nonstop1h 46m
Delta
Deal found 2/8$157

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 February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$117
(Delta)

One-way from

$59
(Delta)

Popular in

June

Cheapest in

December

Average price

$189

Good round-trip deal

$202 or less

Good one-way deal

$138 or less
Provider with most accurate pricing for Bozeman Gallatin Field-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bozeman Gallatin Field-Seattle/Tacoma Intl flights.
Search Deals
From Montana to Seattle/Tacoma Intl
Search Deals
One-way flight from Montana to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Montana to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from Montana to Seattle/Tacoma Intl.
Search Deals

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 February 12, 2026.
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

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Tue 4/21

6:22 pm-7:11 pm

Nonstop1h 49m

Seattle/Tacoma Intl

Sat 4/25

3:07 pm-5:45 pm

Nonstop1h 38m

$137

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

Wed 5/6

2:06 pm-3:13 pm

Nonstop2h 07m

Seattle/Tacoma Intl

Sat 5/16

10:17 am-1:16 pm

Nonstop1h 59m

$137

BozemanSeattle

BZN - SEA

BZNSEA

Bozeman Gallatin Field

Tue 3/3

3:05 pm-4:20 pm

Nonstop2h 15m

Seattle/Tacoma Intl

Sun 3/8

7:59 pm-10:45 pm

Nonstop1h 46m

$147

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Fri 4/10

6:22 pm-7:11 pm

Nonstop1h 49m

Seattle/Tacoma Intl

Sat 4/11

3:09 pm-5:45 pm

Nonstop1h 36m

$147

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Tue 3/3

4:36 pm-5:26 pm

Nonstop1h 50m

Seattle/Tacoma Intl

Sun 3/8

1:21 pm-3:59 pm

Nonstop1h 38m

$147

Great FallsSeattle

GTF - SEA

GTFSEA

Great Falls

Tue 3/10

4:57 pm-6:00 pm

Nonstop2h 03m

Seattle/Tacoma Intl

Tue 3/17

1:36 pm-4:17 pm

Nonstop1h 41m

$147

BozemanSeattle

BZN - SEA

BZNSEA

Bozeman Gallatin Field

Tue 3/3

3:02 pm-4:06 pm

Nonstop2h 04m

Seattle/Tacoma Intl

Sun 3/8

8:12 am-10:53 am

Nonstop1h 41m

$147

BozemanSeattle

BZN - SEA

BZNSEA

Bozeman Gallatin Field

Fri 5/1

3:15 pm-4:15 pm

Nonstop2h 00m

Seattle/Tacoma Intl

Mon 5/4

7:50 pm-10:40 pm

Nonstop1h 50m

$157

BozemanSeattle

BZN - SEA

BZNSEA

Bozeman Gallatin Field

Tue 3/31

3:19 pm-4:22 pm

Nonstop2h 03m

Seattle/Tacoma Intl

Wed 4/8

7:59 pm-10:46 pm

Nonstop1h 47m

$157

BozemanSeattle

BZN - SEA

BZNSEA

Bozeman Gallatin Field

Tue 3/17

3:19 pm-4:22 pm

Nonstop2h 03m

Seattle/Tacoma Intl

Wed 3/18

5:30 am-10:48 am

1 stop4h 18m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

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 August is currently the most expensive (average of $165). 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 February 12, 2026.

It’s typically best to fly out from Montana to Seattle in the afternoon. Doing so could potentially save you 56% 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 February 7, 2026.

Travelers seeking maximum savings on their Montana to Seattle flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday at noon 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 February 12, 2026.

The most flights from USMT to SEA are scheduled on a Thursday (22 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (8 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 24 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?

    Alaska Airlines and Delta can get you from Montana to Seattle in just under 1h 49m. Your travel time will be generally consistent. The distance from Montana to Seattle is about 489 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?

    While some choose either Missoula Johnson-Bell Field - Seattle/Tacoma Intl or Billings Logan Intl - 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 (98%), Air France (96%) or KLM (90%) 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 $852, our data indicates the cheapest price to be $114. The most popular route (Bozeman Gallatin Field - Seattle/Tacoma Intl), is priced around $137.

  • 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 August is currently the most expensive (average of $165). 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
Lynnwood
Edmonds
Lacey
Kent
Renton
Puyallup
Kirkland
Tukwila
Fife
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
Chehalis

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Alternative routes for Montana to Seattle

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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 February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$78Average$273FlexibilityNo cancel feeOn-time85%
DeltaCheapest$103Average$236FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$134Average$274FlexibilityNo cancel feeOn-time75%

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