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$567+ Cheap flights from Boise (BOI) to Oslo

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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — OSL
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
1 adult, Economy
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Cheap flight deals from Boise to Oslo

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Oslo (OS1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 26, 2025.

Round-trip from

$567
(Finnair)

Popular in

December

Cheapest in

August

Average price

$938
From Boise Air Term. Gowen Fld to Oslo
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Highest demand for flights based on searches. 5% potential increase in price ($63 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($67 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Boise to Oslo

Cheapest flights from Boise to Oslo
Explore the most affordable flight options available from Boise to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.

This Finnair deal was found by Cheapflights users on 3/24. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/107:30 amBOI - OSL
2 stops27h 45mFinnair
Thu 9/258:35 amOSL - BOI
2 stops20h 39mFinnair
Deal found 3/24$567
This United deal was found by Cheapflights users on 3/24. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1012:29 pmBOI - OSL
3 stops42h 16mUnited Airlines
Thu 9/259:50 amOSL - BOI
2 stops35h 40mUnited Airlines
Deal found 3/24$678
This KLM deal was found by Cheapflights users on 3/23. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/610:45 amBOI - OSL
2 stops17h 45mKLM
Sun 4/132:15 pmOSL - BOI
2 stops17h 50mKLM
Deal found 3/23$762
This AirNGo deal was found by Cheapflights users on 3/25. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/193:39 pmBOI - OSL
2 stops22h 51mAir France
Wed 6/410:45 amOSL - BOI
2 stops20h 43mAir France
Deal found 3/25$790
This Delta deal was found by Cheapflights users on 3/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/72:00 pmBOI - OSL
2 stops20h 35mDelta
Mon 7/218:10 amOSL - BOI
2 stops23h 54mDelta
Deal found 3/24$921
This American Airlines deal was found by Cheapflights users on 3/23. 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.
Mon 7/73:35 pmBOI - OSL
2 stops17h 00mMultiple Airlines
Mon 7/218:35 amOSL - BOI
2 stops21h 20mMultiple Airlines
Deal found 3/23$1,044
This oojo deal was found by Cheapflights users on 3/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/195:39 pmBOI - OSL
2 stops21h 51mBritish Airways
Wed 6/48:35 amOSL - BOI
3 stops39h 20mBritish Airways
Deal found 3/25$1,435
This Air Canada deal was found by Cheapflights users on 3/24. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/108:40 amBOI - OSL
3 stops23h 00mAir Canada
Thu 9/259:50 amOSL - BOI
3 stops34h 05mAir Canada
Deal found 3/24$1,869
This KAYAK deal was found by Cheapflights users on 3/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/62:35 pmBOI - TRF
2 stops14h 00mScandinavian Airlines
Sun 7/207:20 pmTRF - BOI
2 stops35h 56mScandinavian Airlines
Deal found 3/24$2,084

Cheapflights Fare Finder

Customize your flight search to find flights from Boise 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 March 26, 2025.
Use the filters below to find and compare flights from Boise to Oslo that are best for you.

Fly from

Boise

Fly to

Oslo

Route

Depart

Return

Price

BoiseOslo

BOI - OSL

BOIOSL

Boise Air Term. Gowen Fld

Wed 9/10

7:30 am-7:15 pm

2 stops27h 45m

Oslo Gardermoen

Thu 9/25

8:35 am-9:14 pm

2 stops20h 39m

$567

BoiseOslo

BOI - OSL

BOIOSL

Boise Air Term. Gowen Fld

Wed 9/10

12:29 pm-2:45 pm

3 stops42h 16m

Oslo Gardermoen

Thu 9/25

9:50 am-1:30 pm

2 stops35h 40m

$678

BoiseOslo

BOI - OSL

BOIOSL

Boise Air Term. Gowen Fld

Sun 4/6

10:45 am-12:30 pm

2 stops17h 45m

Oslo Gardermoen

Sun 4/13

2:15 pm-12:05 am

2 stops17h 50m

$762

BoiseOslo

BOI - OSL

BOIOSL

Boise Air Term. Gowen Fld

Mon 5/19

3:39 pm-10:30 pm

2 stops22h 51m

Oslo Gardermoen

Wed 6/4

10:45 am-11:28 pm

2 stops20h 43m

$790

BoiseOslo

BOI - OSL

BOIOSL

Boise Air Term. Gowen Fld

Mon 7/7

2:00 pm-6:35 pm

2 stops20h 35m

Oslo Gardermoen

Mon 7/21

8:10 am-12:04 am

2 stops23h 54m

$921

BoiseOslo

BOI - OSL

BOIOSL

Boise Air Term. Gowen Fld

Mon 7/7

3:35 pm-4:35 pm

2 stops17h 00m

Oslo Gardermoen

Mon 7/21

8:35 am-9:55 pm

2 stops21h 20m

$1,044

BoiseOslo

BOI - OSL

BOIOSL

Boise Air Term. Gowen Fld

Mon 5/19

5:39 pm-11:30 pm

2 stops21h 51m

Oslo Gardermoen

Wed 6/4

8:35 am-3:55 pm

3 stops39h 20m

$1,435

BoiseOslo

BOI - OSL

BOIOSL

Boise Air Term. Gowen Fld

Wed 9/10

8:40 am-3:40 pm

3 stops23h 00m

Oslo Gardermoen

Thu 9/25

9:50 am-11:55 am

3 stops34h 05m

$1,869

BoiseOslo

BOI - TRF

BOITRF

Boise Air Term. Gowen Fld

Sun 7/6

2:35 pm-12:35 pm

2 stops14h 00m

Oslo Sandefjord

Sun 7/20

7:20 pm-11:16 pm

2 stops35h 56m

$2,084

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Best time to book a flight from Boise to Oslo

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

What is the cheapest time of day to fly from BOI to OSL?

Find hourly flight availability from Boise to Oslo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 26, 2025.

One of the essential ways to save on airfare from Boise to Oslo is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 28% on airfare.

Rainfall in Oslo by month

Plan your trip to Oslo by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Oslo ranges from 1.6 - 3.5 inches per month. August is typically the wettest month, when rainfall can reach 3.5 in. February is typically the driest time to visit Oslo when rainfall is around 1.6 in.

Temperature in Oslo by month

Plan your trip to Oslo by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Oslo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).

Reviews of airlines servicing Oslo

Get insights into the airlines that provide service to Oslo. 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 Oslo. Reviews last updated March 26, 2025.
Delta
8.0
Very good
7,891 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,891 reviews
Delta
8.0
Very good
7,891 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,319 reviews
Delta
8.0
Very good
7,891 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,266 reviews
Delta
8.0
Very good
7,891 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,423 reviews
Delta
8.0
Very good
7,891 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,608 reviews
Delta
8.0
Very good
7,891 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Boise to Oslo. 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 from for flights from Boise to Oslo?

    Boise Air Term. Gowen Fld (BOI), located 3.3 mi from the city center, is the airport you fly out of when you book flights from Boise to Oslo. 3 airlines have flights from Air Term. Gowen Fld to Oslo on a regular basis. Booking flights from Boise Air Term. Gowen Fld to Oslo should not be difficult; the airport handles an average of 0 outbound flights to Oslo per day.

  • What are the cheapest airlines flying from Boise to Oslo round-trip?

    Cheapflights users have booked flights from Boise to Oslo round-trip from $567. Other airlines that can offer you cheap pricing are United Airlines, from $678, and KLM, from $762. Finnair is currently priced 47% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boise 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 Boise to Oslo?

    Currently, November is the cheapest month in which you can book a flight from Boise to Oslo (average of $567). Flying from Boise to Oslo in June is currently the most expensive (average of $1,110). 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 Boise to Oslo

See prices for flight routes from nearby airports that may be better suited for you.
Spokane to Oslo Gardermoen flights
Boise to Oslo Gardermoen flights
Jackson to Oslo Gardermoen flights
Spokane to Ålesund flights
Spokane to Sandefjord flights

Top 3 airlines flying from Boise to Oslo

Discover the top 3 airlines that operate flights from Boise 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 March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$706Average$918FlexibilityNo cancel feeOn-time69%
DeltaCheapest$733Average$1,109FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$796Average$938FlexibilityNo cancel feeOn-time75%
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