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$628+ 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
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
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 August 14, 2025.

Round-trip from

$628
(FlightHub)

Popular in

December

Cheapest in

August

Average price

$668
From Boise Air Term. Gowen Fld to Oslo
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($313 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($86 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 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 August 14, 2025.

This FlightHub deal was found by Cheapflights users on 8/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/103:45 pmBOI - OSL
2 stops18h 05mScandinavian Airlines
Thu 9/257:10 amOSL - BOI
2 stops23h 50mScandinavian Airlines
Deal found 8/14$628
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:00 amBOI - OSL
2 stops32h 55mMultiple Airlines
Tue 12/168:50 pmOSL - BOI
2 stops32h 34mMultiple Airlines
Deal found 8/13$638
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.
Mon 12/298:20 amBOI - OSL
2 stops20h 35mMultiple Airlines
Wed 1/71:50 pmOSL - BOI
2 stops41h 16mMultiple Airlines
Deal found 8/13$705
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/174:20 pmBOI - OSL
2 stops16h 00mKLM
Tue 8/1911:50 amOSL - BOI
2 stops16h 30mKLM
Deal found 8/13$905
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/298:20 amBOI - OSL
3 stops23h 00mAir Canada
Wed 1/76:05 amOSL - BOI
3 stops25h 01mAir Canada
Deal found 8/13$1,541
This Scandinavian 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/23:05 pmBOI - OSL
2 stops19h 10mScandinavian Airlines
Mon 12/157:10 amOSL - BOI
3 stops23h 54mScandinavian Airlines
Deal found 8/13$2,175
This Scandinavian 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1711:45 amBOI - OSL
2 stops18h 25mScandinavian Airlines
Tue 8/198:20 pmOSL - BOI
3 stops29h 56mScandinavian Airlines
Deal found 8/13$2,432

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 August 14, 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

3:45 pm-5:20 pm

2 stops17h 35m

Oslo Gardermoen

Thu 9/25

7:10 am-11:00 pm

2 stops23h 50m

$628

BoiseOslo

BOI - OSL

BOIOSL

Boise Air Term. Gowen Fld

Tue 12/2

7:00 am-4:35 pm

2 stops25h 35m

Oslo Gardermoen

Mon 12/15

8:50 pm-9:24 pm

2 stops32h 34m

$638

BoiseOslo

BOI - OSL

BOIOSL

Boise Air Term. Gowen Fld

Mon 12/1

7:00 am-11:55 pm

2 stops32h 55m

Oslo Gardermoen

Tue 12/16

8:50 pm-9:24 pm

2 stops32h 34m

$638

BoiseOslo

BOI - OSL

BOIOSL

Boise Air Term. Gowen Fld

Mon 12/29

8:20 am-12:55 pm

2 stops20h 35m

Oslo Gardermoen

Wed 1/7

1:50 pm-11:06 pm

2 stops41h 16m

$705

BoiseOslo

BOI - OSL

BOIOSL

Boise Air Term. Gowen Fld

Mon 12/29

8:20 am-3:20 pm

3 stops23h 00m

Oslo Gardermoen

Wed 1/7

6:05 am-11:06 pm

3 stops25h 01m

$1,541

BoiseOslo

BOI - OSL

BOIOSL

Boise Air Term. Gowen Fld

Tue 12/2

3:05 pm-6:15 pm

2 stops19h 10m

Oslo Gardermoen

Mon 12/15

7:10 am-11:04 pm

3 stops23h 54m

$2,175

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

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 August 14, 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.

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 August 14, 2025.
See what other customers who have flown with Delta, KLM, and United Airlines from Boise to Oslo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

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
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

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!
KLM
7.8
Good
1,381 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

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
8,916 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

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 $646. Other airlines that can offer you cheap pricing are Delta, from $649, and KLM, from $693. United Airlines is currently priced 33% 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 $1,009). 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 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$646Average$918FlexibilityNo cancel feeOn-time69%
DeltaCheapest$649Average$939FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$693Average$891FlexibilityNo cancel feeOn-time75%

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