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Oslo Gardermoen

$607+ Cheap flights from Montana to Oslo Gardermoen (OSL)

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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — OSL
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Montana to Oslo Gardermoen

Keep the following information in mind while searching for Montana to Oslo Gardermoen flight deals. Data was last updated September 11, 2025.

Round-trip from

$607
(United Airlines)

Popular in

June

Cheapest in

October

Average price

$938
From Montana to Oslo Gardermoen
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($195 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Montana to Oslo Gardermoen

Cheapest flights from Montana to Oslo Gardermoen
Explore the most affordable flight options available from Montana to Oslo Gardermoen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/712:41 pmFCA - OSL
2 stops20h 34mUnited Airlines
Wed 10/226:50 amOSL - FCA
2 stops22h 41mUnited Airlines
Deal found 9/11$607
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/242:44 pmHLN - OSL
2 stops23h 26mUnited Airlines
Tue 10/286:15 amOSL - HLN
2 stops22h 07mUnited Airlines
Deal found 9/8$677
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/76:35 pmFCA - OSL
2 stops20h 50mMultiple Airlines
Wed 10/227:40 amOSL - FCA
3 stops24h 18mMultiple Airlines
Deal found 9/10$709

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montana to Oslo Gardermoen 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 September 11, 2025.
Use the filters below to find and compare flights from Montana to Oslo Gardermoen Airport that are best for you.

Fly from

Montana

Fly to

Oslo Gardermoen

Route

Depart

Return

Price

KalispellOslo

FCA - OSL

FCAOSL

Kalispell Glacier Park

Tue 10/7

12:41 pm-5:15 pm

2 stops20h 34m

Oslo Gardermoen

Wed 10/22

6:50 am-9:31 pm

2 stops22h 41m

$607

BozemanOslo

BZN - OSL

BZNOSL

Bozeman Gallatin Field

Fri 2/27

8:40 am-11:40 pm

2 stops31h 00m

Oslo Gardermoen

Thu 3/12

6:15 am-10:18 pm

2 stops23h 03m

$629

HelenaOslo

HLN - OSL

HLNOSL

Helena

Fri 1/16

6:15 am-11:20 pm

2 stops33h 05m

Oslo Gardermoen

Tue 1/20

6:15 am-9:26 pm

2 stops23h 11m

$633

HelenaOslo

HLN - OSL

HLNOSL

Helena

Fri 1/16

12:50 pm-6:50 pm

2 stops22h 00m

Oslo Gardermoen

Tue 1/20

1:05 pm-10:38 pm

2 stops41h 33m

$644

HelenaOslo

HLN - OSL

HLNOSL

Helena

Fri 10/24

2:44 pm-10:10 pm

2 stops23h 26m

Oslo Gardermoen

Tue 10/28

6:15 am-9:22 pm

2 stops22h 07m

$677

KalispellOslo

FCA - OSL

FCAOSL

Kalispell Glacier Park

Tue 10/7

6:35 pm-11:25 pm

2 stops20h 50m

Oslo Gardermoen

Wed 10/22

7:40 am-11:58 pm

3 stops24h 18m

$709

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from Montana to Oslo Gardermoen

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

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

Currently, November is the cheapest month in which you can book a flight from Montana to Oslo Gardermoen Airport (average of $567). Flying from Montana to Oslo Gardermoen Airport in June is currently the most expensive (average of $1,005). 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 Montana to Oslo Gardermoen Airport?

Related info for your journey

Find useful and relevant information for your journey from Montana to Oslo Gardermoen. 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 Montana to Oslo Gardermoen Airport?

    Airlines like United Airlines and Delta fly from Montana to Oslo Gardermoen Airport in about 20h 34m. The time it takes to get you to your destination can typically vary by up to 1h 26m. There are 4338 mi between Montana and Oslo Gardermoen Airport. This flight may include one or multiple stops.

  • What are the most popular routes from Montana to Oslo Gardermoen Airport?

    The most popular route from Montana to Oslo Gardermoen Airport is Kalispell Glacier Park - Oslo Gardermoen. You may also consider Bozeman Gallatin Field - Oslo Gardermoen or Helena - Oslo Gardermoen.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Montana to Oslo Gardermoen Airport (average of $567). Flying from Montana to Oslo Gardermoen Airport in June is currently the most expensive (average of $1,005). 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 Oslo Gardermoen Airport?

Book flights to Oslo Gardermoen Airport if you plan to visit one of these locations
Gardermoen

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Alternative routes for Montana to Oslo Gardermoen

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Montana to Oslo Gardermoen

Discover the top 4 airlines that operate flights from Montana to Oslo Gardermoen. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$604Average$929FlexibilityNo cancel feeOn-time69%
DeltaCheapest$637Average$1,204FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$680Average$876FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$697Average$1,100FlexibilityNo cancel feeOn-time76%

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