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Copenhagen

$347+ Cheap flights from Idaho to Copenhagen (CPH)

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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — CPH
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
1 adult, Economy
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Cheap flight deals from Idaho to Copenhagen

Cheapest flights from Idaho to Copenhagen
Explore the most affordable flight options available from Idaho to Copenhagen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 5, 2026.

This Delta deal was found by Cheapflights users on 2/3. 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.
Tue 4/2111:35 pm
BOI
-
CPH
2 stops23h 10m
Delta
Thu 4/309:00 am
CPH
-
BOI
2 stops21h 28m
Delta
Deal found 2/3$545
This Finnair deal was found by Cheapflights users on 2/3. 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.
Sun 4/121:29 pm
BOI
-
CPH
2 stops18h 46m
Finnair
Mon 4/207:25 pm
CPH
-
BOI
2 stops35h 13m
Finnair
Deal found 2/3$557
This Finnair deal was found by Cheapflights users on 2/5. 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.
Sun 4/511:59 pm
GEG
-
CPH
2 stops31h 16m
Multiple Airlines
Wed 4/157:45 am
CPH
-
GEG
2 stops21h 48m
Multiple Airlines
Deal found 2/5$557
This United Airlines deal was found by Cheapflights users on 2/3. 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 12/112:29 pm
BOI
-
CPH
2 stops15h 56m
United Airlines
Wed 12/911:45 am
CPH
-
BOI
2 stops41h 31m
United Airlines
Deal found 2/3$568
This United Airlines deal was found by Cheapflights users on 2/4. 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.
Wed 3/185:31 pm
BOI
-
CPH
2 stops17h 04m
United Airlines
Fri 4/312:45 pm
CPH
-
BOI
2 stops39h 08m
United Airlines
Deal found 2/4$581
This United Airlines deal was found by Cheapflights users on 2/3. 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 4/247:00 am
GEG
-
CPH
2 stops31h 30m
United Airlines
Wed 4/2912:45 pm
CPH
-
GEG
2 stops41h 31m
United Airlines
Deal found 2/3$583
This Finnair deal was found by Cheapflights users on 2/5. 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.
Thu 4/301:29 pm
BOI
-
CPH
2 stops18h 46m
Multiple Airlines
Mon 5/117:25 pm
CPH
-
BOI
2 stops35h 13m
Multiple Airlines
Deal found 2/5$607
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Mon 4/64:05 pm
BOI
-
CPH
2 stops47h 25m
United Airlines
Sat 4/258:40 am
CPH
-
BOI
2 stops21h 55m
United Airlines
Deal found 2/3$608
This American Airlines deal was found by Cheapflights users on 2/4. 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.
Wed 9/91:18 pm
BOI
-
CPH
2 stops22h 42m
American Airlines
Wed 10/78:50 am
CPH
-
BOI
2 stops20h 15m
American Airlines
Deal found 2/4$611
This Air Canada deal was found by Cheapflights users on 2/4. 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 9/98:05 am
BOI
-
CPH
2 stops18h 45m
Multiple Airlines
Wed 10/76:20 am
CPH
-
BOI
3 stops22h 55m
Multiple Airlines
Deal found 2/4$621
This Finnair deal was found by Cheapflights users on 2/1. 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 10/126:00 am
GEG
-
CPH
2 stops32h 10m
Multiple Airlines
Mon 10/197:25 pm
CPH
-
GEG
2 stops35h 54m
Multiple Airlines
Deal found 2/1$627
This Delta deal was found by Cheapflights users on 2/2. 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 4/52:15 pm
GEG
-
CPH
2 stops19h 00m
Delta
Wed 4/159:25 am
CPH
-
GEG
2 stops23h 55m
Delta
Deal found 2/2$630

Find flight deals from Idaho to Copenhagen

Keep the following information in mind while searching for Idaho to Copenhagen flight deals. Data was last updated February 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$545
(Delta)

One-way from

$347
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$901
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Kastrup Copenhagen flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Kastrup Copenhagen flights.
Search Deals
From Idaho to Kastrup Copenhagen
Search Deals
One-way flight from Idaho to Kastrup Copenhagen
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($407 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 19% potential price decrease ($167 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to Copenhagen 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 February 5, 2026.
Use the filters below to find and compare flights from Idaho to Copenhagen that are best for you.

Fly from

Idaho

Fly to

Copenhagen

Route

Depart

Return

Price

BoiseCopenhagen

BOI - CPH

BOICPH

Boise Air Term. Gowen Fld

Tue 4/21

11:35 pm-6:45 am

2 stops23h 10m

Kastrup Copenhagen

Thu 4/30

9:00 am-10:28 pm

2 stops21h 28m

$545

BoiseCopenhagen

BOI - CPH

BOICPH

Boise Air Term. Gowen Fld

Sun 4/12

1:29 pm-4:15 pm

2 stops18h 46m

Kastrup Copenhagen

Mon 4/20

7:25 pm-10:38 pm

2 stops35h 13m

$557

SpokaneCopenhagen

GEG - CPH

GEGCPH

Spokane

Sun 4/5

11:59 pm-11:10 pm

2 stops38h 11m

Kastrup Copenhagen

Wed 4/15

8:50 am-8:33 pm

2 stops20h 43m

$557

BoiseCopenhagen

BOI - CPH

BOICPH

Boise Air Term. Gowen Fld

Wed 3/18

10:49 am-12:25 pm

2 stops18h 36m

Kastrup Copenhagen

Fri 4/3

12:45 pm-6:05 pm

2 stops37h 20m

$581

SpokaneCopenhagen

GEG - CPH

GEGCPH

Spokane

Fri 4/24

7:00 am-11:30 pm

2 stops31h 30m

Kastrup Copenhagen

Wed 4/29

12:45 pm-9:16 pm

2 stops41h 31m

$583

BoiseCopenhagen

BOI - CPH

BOICPH

Boise Air Term. Gowen Fld

Thu 4/30

1:29 pm-4:15 pm

2 stops18h 46m

Kastrup Copenhagen

Mon 5/11

7:25 pm-10:38 pm

2 stops35h 13m

$607

BoiseCopenhagen

BOI - CPH

BOICPH

Boise Air Term. Gowen Fld

Thu 4/30

1:29 pm-4:15 pm

2 stops18h 46m

Kastrup Copenhagen

Mon 5/11

7:25 pm-10:38 pm

2 stops35h 13m

$607

SpokaneCopenhagen

GEG - CPH

GEGCPH

Spokane

Sun 4/5

2:15 pm-6:15 pm

2 stops19h 00m

Kastrup Copenhagen

Wed 4/15

9:25 am-12:20 am

2 stops23h 55m

$630

SpokaneCopenhagen

GEG - CPH

GEGCPH

Spokane

Fri 4/3

7:00 am-10:50 am

2 stops42h 50m

Kastrup Copenhagen

Sun 4/12

12:45 pm-11:43 am

2 stops55h 58m

$710

SpokaneCopenhagen

GEG - CPH

GEGCPH

Spokane

Wed 2/25

7:00 am-5:35 pm

2 stops25h 35m

Kastrup Copenhagen

Sun 3/1

6:50 am-10:04 pm

2 stops24h 14m

$726

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

Showing 1-10 of 16 results
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Best time to book a flight from Idaho to Copenhagen

Have a flexible travel schedule? Discover the best time to fly to Copenhagen from Idaho 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 Idaho to Copenhagen

What is the cheapest month to book a flight from Idaho to Copenhagen?

Currently, February is the cheapest month in which you can book a flight from Idaho to Copenhagen (average of $546). Flying from Idaho to Copenhagen in December is currently the most expensive (average of $2,876). 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.

Related info for your journey

Find useful and relevant information for your journey from Idaho to Copenhagen. 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 into for flights to Copenhagen from Idaho?

    Kastrup Copenhagen (CPH), located 5.0 mi from the city center, is the airport you fly into when you book flights from Idaho to Copenhagen.

  • How long is the flight from Idaho to Copenhagen?

    There are many flights that can get you from Idaho to Copenhagen in 18h 36m. Fly via Delta, Finnair, or United Airlines to get the fastest option. The distance from Idaho to Copenhagen is about 4959 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Idaho to Copenhagen?

    The most popular flight routes from Idaho to Copenhagen are Boise Air Term. Gowen Fld - Kastrup Copenhagen, Spokane - Kastrup Copenhagen and Jackson Hole - Kastrup Copenhagen.

  • Can I find deals for flights from Idaho to Copenhagen that include hotel bookings?

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

  • How can I find direct flights from Idaho to Copenhagen?

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

  • Can I find deals for business class flights from Idaho to Copenhagen?

    Yes. Cheapflights offers flight deals from Idaho to Copenhagen 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 Idaho to Copenhagen?

    Currently, February is the cheapest month in which you can book a flight from Idaho to Copenhagen (average of $546). Flying from Idaho to Copenhagen in December is currently the most expensive (average of $2,876). 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

Traveling to a place near Copenhagen?

Book flights to Copenhagen if you plan to visit one of these locations
Kastrup

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Alternative routes for Idaho to Copenhagen

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Idaho to Copenhagen

Discover the top 3 airlines that operate flights from Idaho to Copenhagen. 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 February 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$546Average$747FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$642Average$1,052FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$665Average$754FlexibilityNo cancel feeOn-time69%

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