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$577+ 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 11/30. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — OSL
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
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 October 16, 2025.

Round-trip from

$577
(Delta)

Popular in

December

Cheapest in

August

Average price

$688
From Boise Air Term. Gowen Fld to Oslo
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Highest demand for flights based on searches. 32% potential increase in price ($457 potential increase over avg. RT price).
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Cheapest flight prices on average. 14% potential price decrease ($120 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 16, 2025.

This Delta deal was found by Cheapflights users on 10/16. 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.
Sun 11/307:30 amBOI - OSL
2 stops23h 15mDelta
Sun 12/76:25 amOSL - BOI
2 stops25h 39mDelta
Deal found 10/16$577
This United Airlines deal was found by Cheapflights users on 10/15. 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 12/305:12 pmBOI - OSL
2 stops38h 08mUnited Airlines
Wed 1/711:50 amOSL - BOI
2 stops55h 35mUnited Airlines
Deal found 10/15$674
This Air Canada deal was found by Cheapflights users on 10/15. 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.
Tue 12/306:15 amBOI - OSL
3 stops22h 50mAir Canada
Wed 1/76:05 amOSL - BOI
3 stops24h 52mAir Canada
Deal found 10/15$1,584
This oojo deal was found by Cheapflights users on 10/16. 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.
Fri 10/171:35 pmBOI - OSL
2 stops39h 00mIcelandair
Fri 10/241:50 pmOSL - BOI
2 stops41h 15mIcelandair
Deal found 10/16$4,620

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 October 16, 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

Sun 11/30

7:30 am-2:45 pm

2 stops23h 15m

Oslo Gardermoen

Sun 12/7

6:25 am-12:04 am

2 stops25h 39m

$577

BoiseOslo

BOI - OSL

BOIOSL

Boise Air Term. Gowen Fld

Wed 4/1

1:43 pm-6:35 pm

2 stops20h 52m

Oslo Gardermoen

Sun 4/5

6:05 am-11:58 pm

2 stops25h 53m

$668

BoiseOslo

BOI - OSL

BOIOSL

Boise Air Term. Gowen Fld

Tue 12/30

5:12 pm-3:20 pm

2 stops38h 08m

Oslo Gardermoen

Wed 1/7

11:50 am-11:25 am

2 stops55h 35m

$674

BoiseOslo

BOI - OSL

BOIOSL

Boise Air Term. Gowen Fld

Thu 4/2

5:22 pm-10:10 pm

2 stops20h 48m

Oslo Gardermoen

Mon 4/6

9:50 am-9:08 pm

2 stops19h 18m

$706

BoiseOslo

BOI - OSL

BOIOSL

Boise Air Term. Gowen Fld

Wed 4/1

8:40 am-1:40 pm

2 stops21h 00m

Oslo Gardermoen

Sun 4/5

7:15 pm-11:04 pm

2 stops35h 49m

$714

BoiseOslo

BOI - OSL

BOIOSL

Boise Air Term. Gowen Fld

Tue 12/30

6:15 am-1:05 pm

3 stops22h 50m

Oslo Gardermoen

Wed 1/7

6:05 am-10:57 pm

3 stops24h 52m

$1,584

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/16

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 October 16, 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 44% on airfare.

How much does it cost to fly round-trip from Boise to Oslo?

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 October 16, 2025.
See what other customers who have flown with Delta 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
7,984 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
8.0
Very good
7,984 reviews
Delta
8.0
Very good
7,984 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,982 reviews
Delta
8.0
Very good
7,984 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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. 2 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.

  • How long is the flight from Boise to Oslo?

    There are many flights that can get you from Boise to Oslo in 23h 15m. Fly via Delta or United Airlines to get the fastest option. Boise and Oslo are separated by a distance of 4673 mi. This flight may include one or multiple stops.

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

    Cheapflights users have booked flights from Boise to Oslo round-trip from $614. Another airline that can offer you cheap pricing is United Airlines. Delta is currently priced 35% 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.

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
Jackson to Oslo Gardermoen flights
Spokane to Oslo Gardermoen flights
Spokane to Ålesund flights
Spokane to Sandefjord flights

Top 2 airlines flying from Boise to Oslo

Discover the top 2 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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$614Average$903FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$646Average$913FlexibilityNo cancel feeOn-time69%

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