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$343+ Cheap flights from Boise (BOI) 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — OSL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$621
(Gurufare)

One-way from

$343
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$1,219
From Boise Air Term. Gowen Fld to Oslo
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One-way flight from Boise Air Term. Gowen Fld to Oslo
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Highest demand for flights based on searches. 8% potential increase in price ($100 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($73 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Gurufare deal was found by Cheapflights users on 6/10. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/102:00 pmBOI - OSL
2 stops16h 10mScandinavian Airlines
Thu 9/259:00 amOSL - BOI
2 stops22h 04mScandinavian Airlines
Deal found 6/10$621
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Sat 8/97:15 pmBOI - OSL
2 stops42h 55mUnited Airlines
Tue 8/196:35 amOSL - BOI
2 stops24h 59mUnited Airlines
Deal found 6/11$640
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/104:19 pmBOI - OSL
2 stops20h 21mDelta
Thu 9/256:05 amOSL - BOI
2 stops24h 02mDelta
Deal found 6/11$659
This Finnair deal was found by Cheapflights users on 6/10. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/43:35 pmBOI - OSL
2 stops20h 10mFinnair
Tue 8/198:35 pmOSL - BOI
2 stops33h 08mFinnair
Deal found 6/10$685
This oojo deal was found by Cheapflights users on 6/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/44:50 pmBOI - OSL
2 stops14h 35mIcelandair
Fri 8/84:30 pmOSL - BOI
2 stops38h 16mIcelandair
Deal found 6/10$1,288
This Air Canada deal was found by Cheapflights users on 6/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/98:30 amBOI - OSL
3 stops19h 45mAir Canada
Tue 8/196:35 amOSL - BOI
3 stops24h 06mAir Canada
Deal found 6/11$1,432
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/47:48 pmBOI - OSL
3 stops33h 17mMultiple Airlines
Tue 8/197:55 amOSL - BOI
2 stops16h 15mMultiple Airlines
Deal found 6/10$1,506
This SmartFares deal was found by Cheapflights users on 6/10. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/410:47 amBOI - TRF
2 stops17h 48mScandinavian Airlines
Fri 8/81:05 pmTRF - BOI
2 stops37h 54mScandinavian Airlines
Deal found 6/10$2,160

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 June 12, 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

2:00 pm-2:10 pm

2 stops16h 10m

Oslo Gardermoen

Thu 9/25

9:00 am-11:04 pm

2 stops22h 04m

$621

BoiseOslo

BOI - OSL

BOIOSL

Boise Air Term. Gowen Fld

Sat 8/9

7:15 pm-10:10 pm

2 stops42h 55m

Oslo Gardermoen

Tue 8/19

6:35 am-11:34 pm

2 stops24h 59m

$640

BoiseOslo

BOI - OSL

BOIOSL

Boise Air Term. Gowen Fld

Wed 9/10

4:19 pm-8:40 pm

2 stops20h 21m

Oslo Gardermoen

Thu 9/25

6:05 am-10:07 pm

2 stops24h 02m

$659

BoiseOslo

BOI - OSL

BOIOSL

Boise Air Term. Gowen Fld

Mon 8/4

3:35 pm-7:45 pm

2 stops20h 10m

Oslo Gardermoen

Tue 8/19

8:35 pm-9:43 pm

2 stops33h 08m

$685

BoiseOslo

BOI - OSL

BOIOSL

Boise Air Term. Gowen Fld

Mon 8/4

4:50 pm-3:25 pm

2 stops14h 35m

Oslo Gardermoen

Fri 8/8

4:30 pm-10:46 pm

2 stops38h 16m

$1,288

BoiseOslo

BOI - OSL

BOIOSL

Boise Air Term. Gowen Fld

Sat 8/9

8:30 am-12:15 pm

3 stops19h 45m

Oslo Gardermoen

Tue 8/19

6:35 am-10:41 pm

3 stops24h 06m

$1,432

BoiseOslo

BOI - OSL

BOIOSL

Boise Air Term. Gowen Fld

Mon 8/4

7:48 pm-1:05 pm

3 stops33h 17m

Oslo Gardermoen

Tue 8/19

7:55 am-4:10 pm

2 stops16h 15m

$1,506

BoiseOslo

BOI - TRF

BOITRF

Boise Air Term. Gowen Fld

Mon 8/4

10:47 am-12:35 pm

2 stops17h 48m

Oslo Sandefjord

Fri 8/8

1:05 pm-6:59 pm

2 stops37h 54m

$2,160

BoiseOslo

BOI - OSL

BOIOSL

Boise Air Term. Gowen Fld

Tue 7/15

1:00 pm-12:35 pm

2 stops15h 35m

$343

BoiseOslo

BOI - TRF

BOITRF

Boise Air Term. Gowen Fld

Tue 7/15

8:18 am-1:10 pm

3 stops44h 52m

$449

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 11 results
1
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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 June 12, 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 June 12, 2025.
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Scandinavian Airlines
7.3
Good
1,387 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,537 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $621. Other airlines that can offer you cheap pricing are United Airlines, from $640, and Delta, from $659. Scandinavian Airlines is currently priced 38% 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 $1,004). 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.
Boise to Oslo Gardermoen flights
Spokane to Oslo Gardermoen flights
Spokane to Ålesund flights
Spokane to Sandefjord flights
Jackson to Oslo Gardermoen 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$649Average$903FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$668Average$918FlexibilityNo cancel feeOn-time69%
KLMCheapest$693Average$938FlexibilityNo cancel feeOn-time75%

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