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$79+ 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SEA
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
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 July 31, 2025.

Round-trip from

$157
(Hawaiian Airlines)

One-way from

$79
(Delta)

Popular in

November

Cheapest in

April

Average price

$282

Good round-trip deal

$245 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. 18% potential increase in price ($63 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 31, 2025.

This Hawaiian Airlines deal was found by Cheapflights users on 7/31. 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.
Sat 9/272:14 pmMSO - SEA
Nonstop1h 35mHawaiian Airlines
Sat 10/113:35 pmSEA - MSO
Nonstop1h 25mHawaiian Airlines
Deal found 7/31$157
This Delta deal was found by Cheapflights users on 7/29. 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 9/207:35 amBZN - SEA
Nonstop2h 03mDelta
Sat 9/278:35 amSEA - BZN
Nonstop1h 40mDelta
Deal found 7/29$157
This Hawaiian Airlines deal was found by Cheapflights users on 7/29. 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.
Tue 9/92:04 pmBIL - SEA
Nonstop2h 10mHawaiian Airlines
Sat 9/1312:03 pmSEA - BIL
Nonstop2h 00mHawaiian Airlines
Deal found 7/29$157
This Hawaiian Airlines deal was found by Cheapflights users on 7/29. 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.
Wed 10/86:35 pmFCA - SEA
Nonstop1h 35mHawaiian Airlines
Sat 10/119:59 amSEA - FCA
Nonstop1h 23mHawaiian Airlines
Deal found 7/29$157
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 9/92:04 pmBIL - SEA
Nonstop2h 10mAlaska Airlines
Tue 9/169:15 pmSEA - BIL
Nonstop1h 56mAlaska Airlines
Deal found 7/29$158
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 9/178:02 pmFCA - SEA
Nonstop1h 39mAlaska Airlines
Tue 9/239:36 pmSEA - FCA
Nonstop1h 23mAlaska Airlines
Deal found 7/31$158
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Fri 9/128:00 amBZN - SEA
Nonstop2h 00mHawaiian Airlines
Fri 9/193:45 pmSEA - BZN
Nonstop1h 43mHawaiian Airlines
Deal found 7/29$173
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 9/201:54 pmBZN - SEA
1 stop4h 56mAlaska Airlines
Wed 9/247:50 amSEA - BZN
1 stop4h 24mAlaska Airlines
Deal found 7/29$176
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 9/164:02 pmHLN - SEA
Nonstop1h 48mAlaska Airlines
Sat 9/2012:46 pmSEA - HLN
Nonstop1h 35mAlaska Airlines
Deal found 7/30$178
This Delta deal was found by Cheapflights users on 7/31. 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 10/116:16 pmBIL - SEA
1 stop5h 06mDelta
Mon 10/275:00 pmSEA - BIL
1 stop4h 25mDelta
Deal found 7/31$187
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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.
Thu 9/114:29 pmGTF - SEA
Nonstop2h 03mAlaska Airlines
Mon 9/151:14 pmSEA - GTF
Nonstop1h 35mAlaska Airlines
Deal found 7/30$194
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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.
Sun 8/315:45 amMSO - SEA
1 stop5h 55mAlaska Airlines
Tue 9/97:50 amSEA - MSO
1 stop4h 44mAlaska Airlines
Deal found 7/31$196

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 July 31, 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

MissoulaSeattle

MSO - SEA

MSOSEA

Missoula Johnson-Bell Field

Sat 9/27

2:14 pm-2:49 pm

Nonstop1h 35m

Seattle/Tacoma Intl

Sat 10/11

3:35 pm-6:00 pm

Nonstop1h 25m

$157

BozemanSeattle

BZN - SEA

BZNSEA

Bozeman Gallatin Field

Sat 9/20

7:35 am-8:38 am

Nonstop2h 03m

Seattle/Tacoma Intl

Sat 9/27

8:35 am-11:15 am

Nonstop1h 40m

$157

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

Tue 9/9

2:04 pm-3:14 pm

Nonstop2h 10m

Seattle/Tacoma Intl

Sat 9/13

12:03 pm-3:03 pm

Nonstop2h 00m

$157

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Wed 10/8

6:35 pm-7:10 pm

Nonstop1h 35m

Seattle/Tacoma Intl

Sat 10/11

9:59 am-12:22 pm

Nonstop1h 23m

$157

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

Tue 9/9

2:04 pm-3:14 pm

Nonstop2h 10m

Seattle/Tacoma Intl

Tue 9/16

9:15 pm-12:11 am

Nonstop1h 56m

$158

KalispellSeattle

FCA - SEA

FCASEA

Kalispell Glacier Park

Wed 9/17

8:02 pm-8:41 pm

Nonstop1h 39m

Seattle/Tacoma Intl

Tue 9/23

9:36 pm-11:59 pm

Nonstop1h 23m

$158

BozemanSeattle

BZN - SEA

BZNSEA

Bozeman Gallatin Field

Fri 9/12

8:00 am-9:00 am

Nonstop2h 00m

Seattle/Tacoma Intl

Fri 9/19

3:45 pm-6:28 pm

Nonstop1h 43m

$173

BozemanSeattle

BZN - SEA

BZNSEA

Bozeman Gallatin Field

Sat 9/20

1:54 pm-5:50 pm

1 stop4h 56m

Seattle/Tacoma Intl

Wed 9/24

7:50 am-1:14 pm

1 stop4h 24m

$176

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Tue 9/16

4:02 pm-4:50 pm

Nonstop1h 48m

Seattle/Tacoma Intl

Sat 9/20

12:46 pm-3:21 pm

Nonstop1h 35m

$178

BillingsSeattle

BIL - SEA

BILSEA

Billings Logan Intl

Sat 10/11

6:16 pm-10:22 pm

1 stop5h 06m

Seattle/Tacoma Intl

Mon 10/27

5:00 pm-10:25 pm

1 stop4h 25m

$187

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 58 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 $389). 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 July 31, 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 July 31, 2025.

The most flights from USMT to SEA are scheduled on a Thursday (27 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (23 on average).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated July 31, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from Montana to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

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 20 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • 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 $79. Users have also found prices from $83 and $87 on Hawaiian Airlines and Alaska Airlines, respectively.

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

    While some choose either Bozeman Gallatin Field - Seattle/Tacoma Intl or Kalispell Glacier Park - Seattle/Tacoma Intl, Missoula Johnson-Bell 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%), KLM (94%) 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 $1,184, our data indicates the cheapest price to be $119. The most popular route (Missoula Johnson-Bell Field - Seattle/Tacoma Intl), is priced around $157.

  • 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 $389). 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
Ocean Shores
Lakewood
Lynnwood
Lacey
Leavenworth
Renton
Olympia
Puyallup
Kent
Cle Elum
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline
Federal Way
Shelton

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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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$128Average$357FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$144Average$270FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$176Average$287FlexibilityNo cancel feeOn-time75%

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