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$547+ Cheap flights from Oslo Gardermoen (OSL) to Montana

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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — BZN
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Find flight deals from Oslo Gardermoen to Montana

Cheapest flights from Oslo Gardermoen to Montana
Explore the most affordable flight options available from Oslo Gardermoen to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This American Airlines deal was found by Cheapflights users on 10/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:05 amOSL - BZN
2 stops37h 57mAmerican Airlines
Mon 11/171:52 pmBZN - OSL
2 stops40h 18mAmerican Airlines
Deal found 10/26$550

Cheap flight deals from Oslo Gardermoen to Montana

Keep the following information in mind while searching for Oslo Gardermoen to Montana flight deals. Data was last updated October 29, 2025.

Round-trip from

$547
(American Airlines)

Popular in

April

Cheapest in

May

Average price

$847
From Oslo Gardermoen to Montana
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oslo Gardermoen to Montana 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 October 29, 2025.
Use the filters below to find and compare flights from Oslo Gardermoen Airport to Montana that are best for you.

Fly from

Oslo Gardermoen

Fly to

Montana

Route

Depart

Return

Price

OsloMissoula

OSL - MSO

OSLMSO

Oslo Gardermoen

Thu 4/23

7:45 am-12:25 pm

2 stops36h 40m

Missoula Johnson-Bell Field

Mon 4/27

1:05 pm-11:30 pm

2 stops26h 25m

$547

OsloBozeman

OSL - BZN

OSLBZN

Oslo Gardermoen

Thu 11/13

7:05 am-1:02 pm

2 stops37h 57m

Bozeman Gallatin Field

Mon 11/17

1:52 pm-2:10 pm

2 stops40h 18m

$550

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Best time to book a flight from Oslo Gardermoen to Montana

Have a flexible travel schedule? Discover the best time to fly to Montana from Oslo Gardermoen 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 Oslo Gardermoen Airport to Montana

What is the cheapest month to book a flight from Oslo Gardermoen Airport to Montana?

Currently, January is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Montana (average of $480). Flying from Oslo Gardermoen Airport to Montana in December is currently the most expensive (average of $938). 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.

How much does it cost to fly round-trip from Oslo Gardermoen Airport to Montana?

Related info for your journey

Find useful and relevant information for your journey from Oslo Gardermoen to Montana. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Oslo Gardermoen Airport to Montana?

    A quick flight from Oslo Gardermoen Airport to Montana can take about 36h 40m. American Airlines provides one of the quickest options available for as low as $547. There are 4420 mi between Oslo Gardermoen Airport and Montana.

  • Can I find deals for flights from Oslo Gardermoen to Montana that include hotel bookings?

    Yes. In addition to deals on Oslo Gardermoen to Montana flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oslo Gardermoen to Montana?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oslo Gardermoen to Montana.

  • Can I find deals for business class flights from Oslo Gardermoen to Montana?

    Yes. Cheapflights offers flight deals from Oslo Gardermoen to Montana 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 Oslo Gardermoen Airport to Montana?

    Currently, January is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Montana (average of $480). Flying from Oslo Gardermoen Airport to Montana in December is currently the most expensive (average of $938). 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.

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Alternative routes for Oslo Gardermoen to Montana

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