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Oslo

$221+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — OSL
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap 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 January 21, 2026.

This Finnair deal was found by Cheapflights users on 1/20. 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.
Tue 4/286:44 am
BOI
-
OSL
2 stops25h 51m
Multiple Airlines
Wed 5/208:30 pm
OSL
-
BOI
2 stops34h 07m
Multiple Airlines
Deal found 1/20$553
This Finnair deal was found by Cheapflights users on 1/21. 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.
Tue 5/126:44 am
BOI
-
OSL
2 stops29h 01m
Finnair
Thu 5/218:35 am
OSL
-
BOI
2 stops22h 02m
Finnair
Deal found 1/21$554
This United Airlines deal was found by Cheapflights users on 1/20. 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 1/308:15 am
BOI
-
OSL
2 stops31h 05m
United Airlines
Tue 2/311:50 am
OSL
-
BOI
2 stops19h 58m
United Airlines
Deal found 1/20$582
This United Airlines deal was found by Cheapflights users on 1/21. 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 3/136:24 am
BOI
-
OSL
2 stops26h 16m
United Airlines
Thu 3/196:15 am
OSL
-
BOI
2 stops24h 42m
United Airlines
Deal found 1/21$726
This Air Canada deal was found by Cheapflights users on 1/20. 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 4/288:20 am
BOI
-
OSL
3 stops23h 25m
Air Canada
Wed 5/206:35 am
OSL
-
BOI
3 stops24h 10m
Air Canada
Deal found 1/20$1,144
This Air Canada deal was found by Cheapflights users on 1/20. 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.
Fri 3/1312:05 pm
BOI
-
OSL
3 stops20h 35m
Air Canada
Thu 3/196:15 am
OSL
-
BOI
3 stops23h 41m
Air Canada
Deal found 1/20$2,634

Find 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 January 21, 2026.

Round-trip from

$553
(Finnair)

One-way from

$221
(American Airlines)

Popular in

June

Cheapest in

November

Average price

$796
From Boise Air Term. Gowen Fld to Oslo
Search Deals
One-way flight from Boise Air Term. Gowen Fld to Oslo
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($217 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 21, 2026.
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

Tue 5/12

6:44 am-7:45 pm

2 stops29h 01m

Oslo Gardermoen

Thu 5/21

8:35 am-10:37 pm

2 stops22h 02m

$553

BoiseOslo

BOI - OSL

BOIOSL

Boise Air Term. Gowen Fld

Tue 4/28

6:44 am-4:35 pm

2 stops25h 51m

Oslo Gardermoen

Wed 5/20

8:30 pm-10:37 pm

2 stops34h 07m

$553

BoiseOslo

BOI - OSL

BOIOSL

Boise Air Term. Gowen Fld

Tue 5/12

6:44 am-7:45 pm

2 stops29h 01m

Oslo Gardermoen

Thu 5/21

8:35 am-10:37 pm

2 stops22h 02m

$554

BoiseOslo

BOI - OSL

BOIOSL

Boise Air Term. Gowen Fld

Fri 3/13

6:24 am-3:40 pm

2 stops26h 16m

Oslo Gardermoen

Thu 3/19

6:15 am-11:57 pm

2 stops24h 42m

$726

BoiseOslo

BOI - OSL

BOIOSL

Boise Air Term. Gowen Fld

Tue 4/28

8:20 am-3:45 pm

3 stops23h 25m

Oslo Gardermoen

Wed 5/20

6:35 am-10:45 pm

3 stops24h 10m

$1,144

BoiseOslo

BOI - OSL

BOIOSL

Boise Air Term. Gowen Fld

Fri 3/13

12:05 pm-3:40 pm

3 stops20h 35m

Oslo Gardermoen

Thu 3/19

6:15 am-10:56 pm

3 stops23h 41m

$2,634

BoiseOslo

BOI - OSL

BOIOSL

Boise Air Term. Gowen Fld

Tue 4/28

1:53 pm-4:25 pm

2 stops18h 32m

$221

BoiseOslo

BOI - OSL

BOIOSL

Boise Air Term. Gowen Fld

Thu 5/28

6:20 am-10:05 pm

2 stops31h 45m

$493

BoiseOslo

BOI - OSL

BOIOSL

Boise Air Term. Gowen Fld

Tue 4/28

8:20 am-3:45 pm

3 stops23h 25m

$648

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

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 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 $531). Flying from Boise to Oslo in June is currently the most expensive (average of $1,064). 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.

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 January 21, 2026.
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
7.9
Good
8,088 reviews

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,088 reviews
Delta
7.9
Good
8,088 reviews

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,191 reviews
Delta
7.9
Good
8,088 reviews

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 26h 16m. Fly via Finnair 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 $531. Another airline that can offer you cheap pricing is United Airlines. Delta is currently priced 32% 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 $531). Flying from Boise to Oslo in June is currently the most expensive (average of $1,064). 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

Browse thousands of different options on Cheapflights for your next trip

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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
Jackson 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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$531Average$830FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$646Average$913FlexibilityNo cancel feeOn-time69%

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