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Oslo

$609+ Cheap flights from Montana to Oslo

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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — OSL
Aug 18 — Aug 251
Mon 8/18
Mon 8/25
1 adult, Economy
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Cheap flight deals from Montana to Oslo

Keep the following information in mind while searching for Montana to Oslo flight deals. Data was last updated August 13, 2025.

Round-trip from

$677
(American Airlines)

One-way from

$609
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$767
From Montana to Oslo
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One-way flight from Montana to Oslo
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Highest demand for flights based on searches. 16% potential increase in price ($195 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Montana to Oslo

Cheapest flights from Montana to Oslo
Explore the most affordable flight options available from Montana to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2025.

This American Airlines deal was found by Cheapflights users on 8/12. 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
2 stops24h 18mMultiple Airlines
Deal found 8/12$677
This United Airlines deal was found by Cheapflights users on 8/12. 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 8/12$689
This United deal was found by Cheapflights users on 8/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/85:20 pmHLN - OSL
2 stops20h 50mMultiple Airlines
Mon 9/156:45 pmOSL - HLN
2 stops34h 26mMultiple Airlines
Deal found 8/11$704
This Delta deal was found by Cheapflights users on 8/12. 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.
Wed 8/1311:28 amBZN - OSL
2 stops21h 12mDelta
Tue 8/196:30 amOSL - BZN
2 stops23h 56mDelta
Deal found 8/12$738
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Fri 10/246:30 amHLN - OSL
2 stops31h 40mUnited Airlines
Tue 10/2811:50 amOSL - HLN
2 stops32h 37mUnited Airlines
Deal found 8/11$751
This Delta deal was found by Cheapflights users on 8/12. 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.
Fri 10/241:00 pmHLN - OSL
2 stops19h 20mDelta
Tue 10/286:25 amOSL - HLN
2 stops22h 51mDelta
Deal found 8/12$772
This United Airlines deal was found by Cheapflights users on 8/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/256:30 amFCA - OSL
2 stops25h 10mUnited Airlines
Thu 10/29:50 amOSL - FCA
2 stops37h 37mUnited Airlines
Deal found 8/10$796
This Delta deal was found by Cheapflights users on 8/12. 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.
Fri 9/261:00 pmHLN - OSL
2 stops19h 20mDelta
Fri 10/311:50 amOSL - HLN
2 stops18h 24mDelta
Deal found 8/12$801
This United Airlines deal was found by Cheapflights users on 8/13. 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 9/127:00 amBZN - OSL
2 stops27h 05mUnited Airlines
Fri 9/196:35 amOSL - BZN
2 stops22h 11mUnited Airlines
Deal found 8/13$819
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Mon 9/82:30 pmHLN - OSL
3 stops19h 30mUnited Airlines
Mon 9/157:15 amOSL - HLN
3 stops21h 56mUnited Airlines
Deal found 8/11$849
This United deal was found by Cheapflights users on 8/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/146:30 amHLN - OSL
2 stops31h 40mMultiple Airlines
Thu 8/217:15 amOSL - HLN
2 stops38h 15mMultiple Airlines
Deal found 8/13$859
This United Airlines deal was found by Cheapflights users on 8/12. 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 9/262:44 pmHLN - OSL
3 stops19h 16mUnited Airlines
Fri 10/36:35 amOSL - HLN
3 stops22h 25mUnited Airlines
Deal found 8/12$909

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montana to Oslo 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 August 13, 2025.
Use the filters below to find and compare flights from Montana to Oslo that are best for you.

Fly from

Montana

Fly to

Oslo

Route

Depart

Return

Price

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

2 stops24h 18m

$677

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

$689

HelenaOslo

HLN - OSL

HLNOSL

Helena

Mon 9/8

5:20 pm-10:10 pm

2 stops20h 50m

Oslo Gardermoen

Mon 9/15

6:45 pm-9:11 pm

2 stops34h 26m

$704

HelenaOslo

HLN - OSL

HLNOSL

Helena

Fri 10/24

5:18 pm-10:10 pm

2 stops20h 52m

Oslo Gardermoen

Tue 10/28

11:50 am-9:22 pm

2 stops40h 32m

$751

HelenaOslo

HLN - OSL

HLNOSL

Helena

Fri 10/24

1:00 pm-4:20 pm

2 stops19h 20m

Oslo Gardermoen

Tue 10/28

6:25 am-10:16 pm

2 stops22h 51m

$772

KalispellOslo

FCA - OSL

FCAOSL

Kalispell Glacier Park

Thu 9/25

6:30 am-3:40 pm

2 stops25h 10m

Oslo Gardermoen

Thu 10/2

9:50 am-3:27 pm

2 stops37h 37m

$796

HelenaOslo

HLN - OSL

HLNOSL

Helena

Fri 9/26

1:00 pm-4:20 pm

2 stops19h 20m

Oslo Gardermoen

Fri 10/3

11:50 am-10:14 pm

2 stops18h 24m

$801

BozemanOslo

BZN - OSL

BZNOSL

Bozeman Gallatin Field

Fri 9/12

7:00 am-6:05 pm

2 stops27h 05m

Oslo Gardermoen

Fri 9/19

6:35 am-8:46 pm

2 stops22h 11m

$819

HelenaOslo

HLN - OSL

HLNOSL

Helena

Mon 9/8

2:30 pm-6:00 pm

3 stops19h 30m

Oslo Gardermoen

Mon 9/15

7:15 am-9:11 pm

3 stops21h 56m

$849

HelenaOslo

HLN - OSL

HLNOSL

Helena

Fri 9/26

2:44 pm-6:00 pm

3 stops19h 16m

Oslo Gardermoen

Fri 10/3

6:35 am-9:00 pm

3 stops22h 25m

$909

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 14 results
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Best time to book a flight from Montana to Oslo

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

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

Currently, November is the cheapest month in which you can book a flight from Montana to Oslo (average of $567). Flying from Montana to Oslo in June is currently the most expensive (average of $1,009). 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.

Related info for your journey

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

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

    When deciding which route to take from Montana to Oslo consider Kalispell Glacier Park - Oslo Gardermoen, Helena - Oslo Gardermoen or Bozeman Gallatin Field - Oslo Gardermoen as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Montana to Oslo 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?

    Currently, November is the cheapest month in which you can book a flight from Montana to Oslo (average of $567). Flying from Montana to Oslo in June is currently the most expensive (average of $1,009). 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

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Alternative routes for Montana to Oslo

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

Discover the top 4 airlines that operate flights from Montana to Oslo. 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 August 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$604Average$991FlexibilityNo cancel feeOn-time69%
DeltaCheapest$637Average$1,201FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$648Average$1,096FlexibilityNo cancel feeOn-time76%
KLMCheapest$680Average$876FlexibilityNo cancel feeOn-time75%

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