$463+ Cheap flights from Montana to Bellingham (BLI)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — BLI
Aug 28 — Sep 41
Round-trip
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Montana to Bellingham
Cheapest
Best
Last-minute
Cheapest flights from Montana to BellinghamExplore the most affordable flight options available from Montana to Bellingham. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2026.
Explore the most affordable flight options available from Montana to Bellingham. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/24. 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 9/195:18 pm
HLN
- BLI
1 stop7h 26m
Alaska Airlines
Sun 9/207:26 pm
BLI
- HLN
1 stop20h 15m
Alaska Airlines
Deal found 7/24![Alaska Airlines logo]()
$463
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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.
Tue 8/115:09 pm
HLN
- BLI
1 stop7h 50m
Alaska Airlines
Sat 8/155:26 pm
BLI
- HLN
1 stop22h 06m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$764
Best flights from Montana to BellinghamDiscover carefully curated flight deals from Montana to Bellingham that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2026.
Discover carefully curated flight deals from Montana to Bellingham that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/24. 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 9/195:18 pm
HLN
- BLI
1 stop7h 26m
Alaska Airlines
Sun 9/207:00 am
BLI
- HLN
2 stops32h 41m
Alaska Airlines
Deal found 7/24![Alaska Airlines logo]()
$546
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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.
Tue 8/115:09 pm
HLN
- BLI
1 stop7h 50m
Alaska Airlines
Sat 8/155:26 pm
BLI
- HLN
1 stop22h 06m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$764
Last-minute flights from Montana to BellinghamDiscover last-minute flight deals from Montana to Bellingham. Data last updated July 29, 2026 and is based on user searches.
Discover last-minute flight deals from Montana to Bellingham. Data last updated July 29, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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.
Tue 8/115:09 pm
HLN
- BLI
1 stop7h 50m
Alaska Airlines
Sat 8/155:26 pm
BLI
- HLN
1 stop22h 06m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$764
Find flight deals from Montana to Bellingham
Keep the following information in mind while searching for Montana to Bellingham flight deals. Data was last updated July 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $463 (Alaska Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Montana to Bellingham 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 29, 2026.
Use the filters below to find and compare flights from Montana to Bellingham that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HelenaBellingham
HLN - BLI
HLNBLI
Helena
Sat 9/19
5:18 pm-11:44 pm
1 stop7h 26m
Bellingham
Sun 9/20
7:00 am-4:41 pm
2 stops32h 41m
$546
Quickest round-trip
HelenaBellingham
HLN - BLI
HLNBLI
Helena
Tue 8/11
5:09 pm-11:59 pm
1 stop7h 50m
Bellingham
Sat 8/15
5:26 pm-4:32 pm
1 stop22h 06m
$764
Sorted by cheapest first
Best time to book a flight from Montana to Bellingham
Have a flexible travel schedule? Discover the best time to fly to Bellingham from Montana with our price prediction graph.
HLN-BLI
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 Bellingham
USMT-BLI
HLN-BLI
No data available for this route at this time. Please check back soon.
Related info for your journey
Find useful and relevant information for your journey from Montana to Bellingham. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Bellingham?
Book flights to Bellingham if you plan to visit one of these locationsMount Vernon
Ferndale
Blaine
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