Seattle

$88+ Cheap flights from Montana to Seattle (SEA)

BZN — SEA
Dec 10 — Dec 171
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Cheap flight deals from Montana to Seattle

Cheapest flights from Montana to Seattle

Wed 12/26:19 pm -
1 stop6h 46m
Wed 12/95:30 am -
1 stop6h 09m
Deal found 11/9$176
Sat 12/56:25 pm -
1 stop5h 22m
Mon 12/75:57 pm -
1 stop5h 35m
Deal found 11/5$187
Sat 12/51:10 pm -
1 stop6h 37m
Sat 12/125:30 am -
1 stop6h 00m
Deal found 11/5$187
Sat 12/55:10 am -
1 stop5h 09m
Sun 12/65:30 am -
1 stop5h 08m
Deal found 11/5$187
Sat 12/124:49 pm -
Nonstop1h 56m
Tue 12/151:35 pm -
Nonstop1h 37m
Deal found 11/6$217
Sat 12/121:50 pm -
Nonstop2h 03m
Wed 12/167:00 am -
Nonstop1h 47m
Deal found 11/5$217
Thu 12/101:10 pm -
1 stop4h 45m
Sun 12/135:30 am -
1 stop6h 00m
Deal found 11/5$227
Sat 12/51:04 pm -
1 stop6h 43m
Sat 12/1211:46 am -
Nonstop1h 49m
Deal found 11/5$227
Fri 12/114:49 pm -
Nonstop1h 56m
Tue 12/151:35 pm -
Nonstop1h 37m
Deal found 11/6$232
Tue 12/291:50 pm -
Nonstop2h 03m
Sun 1/37:15 am -
Nonstop1h 39m
Deal found 11/9$232
Mon 12/76:16 pm -
1 stop6h 49m
Thu 12/105:30 am -
1 stop5h 08m
Deal found 11/9$232
Mon 12/75:35 am -
1 stop4h 44m
Mon 12/145:30 am -
1 stop6h 09m
Deal found 11/9$235

Find flight deals from Montana to Seattle

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$176
(Delta)

One-way from

$88
(Delta)

Popular in

July

Cheapest in

February

Average price

$342

Good round-trip deal

$322 or less

Good one-way deal

$190 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. 20% potential increase in price ($71 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in November 2026
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

 
Use the filters below to find and compare flights from Montana to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Great FallsSeattle

GTF Great Falls - SEA Seattle/Tacoma Intl

GTFSEA

Great Falls

Mon 12/14

6:19 pm-12:05 am

1 stop6h 46m

Seattle/Tacoma Intl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$88

Great FallsSeattle

GTF Great Falls - SEA Seattle/Tacoma Intl

GTFSEA

Great Falls

Tue 12/15

5:35 am-9:19 am

1 stop4h 44m

Seattle/Tacoma Intl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$88

Great FallsSeattle

GTF Great Falls - SEA Seattle/Tacoma Intl

GTFSEA

Great Falls

Thu 12/17

6:19 pm-12:05 am

1 stop6h 46m

Seattle/Tacoma Intl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$88

MissoulaSeattle

MSO Missoula Johnson-Bell Field - SEA Seattle/Tacoma Intl

MSOSEA

Missoula Johnson-Bell Field

Tue 12/15

1:19 pm-4:55 pm

1 stop4h 36m

Seattle/Tacoma Intl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$94

HelenaSeattle

HLN Helena - SEA Seattle/Tacoma Intl

HLNSEA

Helena

Tue 12/8

1:10 pm-4:55 pm

1 stop4h 45m

Seattle/Tacoma Intl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$94

KalispellSeattle

FCA Kalispell Glacier Park - SEA Seattle/Tacoma Intl

FCASEA

Kalispell Glacier Park

Wed 12/2

6:16 pm-12:05 am

1 stop6h 49m

Seattle/Tacoma Intl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$94

KalispellSeattle

FCA Kalispell Glacier Park - SEA Seattle/Tacoma Intl

FCASEA

Kalispell Glacier Park

Mon 12/7

6:16 pm-12:05 am

1 stop6h 49m

Seattle/Tacoma Intl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$94

BozemanSeattle

BZN Bozeman Gallatin Field - SEA Seattle/Tacoma Intl

BZNSEA

Bozeman Gallatin Field

Wed 1/6

7:00 am-8:15 am

Nonstop2h 15m

Seattle/Tacoma Intl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$109

BozemanSeattle

BZN Bozeman Gallatin Field - SEA Seattle/Tacoma Intl

BZNSEA

Bozeman Gallatin Field

Wed 1/6

4:40 pm-9:17 pm

1 stop5h 37m

Seattle/Tacoma Intl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$119

BozemanSeattle

BZN Bozeman Gallatin Field - SEA Seattle/Tacoma Intl

BZNSEA

Bozeman Gallatin Field

Mon 12/7

7:00 am-8:18 am

Nonstop2h 18m

Seattle/Tacoma Intl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$124

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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 $219). Flying from Montana to Seattle in July is currently the most expensive (average of $386). 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?

It’s typically best to fly out from Montana to Seattle in the afternoon. Doing so could potentially save you 49% on the flight price compared to flying in the morning, which is usually more expensive.

Weekly flight availability from Montana to Seattle

The most flights from USMT to SEA are scheduled on a Sunday (15 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).

How much does it cost to fly round-trip from Montana to Seattle?

Airfare is below average for this route at the moment.
Montana to Seattle flights typically cost between $257 and $452 in December.
The cheapest round-trip price found within the last 5 days was $217 on Alaska Airlines (Dec 12-Dec 16).

How far ahead should I book a flight from Montana to Seattle?

The price you pay for your flight from Montana to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 37 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

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

Related info for your journey

  • 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?

    Delta, Alaska Airlines, and United Airlines can get you from Montana to Seattle in just under 2h 03m. Your travel time can differ by up to 5h 39m. The distance from Montana to Seattle is about 541 mi. This flight may include one or multiple stops.

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

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

    Consider Alaska Airlines (86%), Horizon Air (86%) or SkyWest Airlines (76%) 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 $380, our data indicates the cheapest price to be $98. The most popular route (Bozeman Gallatin Field - Seattle/Tacoma Intl), is priced around $232.

  • 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 $219). Flying from Montana to Seattle in July is currently the most expensive (average of $386). 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
Renton
Lacey
Tacoma
Leavenworth
Tukwila
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ocean Shores
Ellensburg
Issaquah
Olympia
Lakewood
Poulsbo
Marysville
Shoreline

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Alternative routes for Montana to Seattle

Top 2 airlines flying from Montana to Seattle

AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$113Average$283FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$120Average$317FlexibilityNo cancel feeOn-time75%

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