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Denmark

$562+ Cheap flights from Idaho to Denmark

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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — CPH
Nov 19 — Nov 261
Wed 11/19
Wed 11/26
1 adult, Economy
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Find flight deals from Idaho to Denmark

Cheapest flights from Idaho to Denmark
Explore the most affordable flight options available from Idaho to Denmark. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 20, 2025.

This FlightHub deal was found by Cheapflights users on 10/17. 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.
Thu 12/43:54 pmBOI - CPH
1 stop15h 31mScandinavian Airlines
Tue 12/92:20 pmCPH - BOI
1 stop15h 45mScandinavian Airlines
Deal found 10/17$562
This American Airlines deal was found by Cheapflights users on 10/17. 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.
Thu 12/45:25 pmBOI - CPH
2 stops18h 40mMultiple Airlines
Tue 12/98:40 amCPH - BOI
2 stops21h 45mMultiple Airlines
Deal found 10/17$591
This Delta deal was found by Cheapflights users on 10/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:00 amGEG - CPH
2 stops22h 10mDelta
Sun 12/76:00 amCPH - GEG
2 stops24h 03mDelta
Deal found 10/20$592
This United Airlines deal was found by Cheapflights users on 10/18. 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 11/2810:40 amBOI - CPH
2 stops17h 45mUnited Airlines
Fri 12/510:10 amCPH - BOI
2 stops21h 34mUnited Airlines
Deal found 10/18$597
This United Airlines deal was found by Cheapflights users on 10/19. 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 12/35:25 amGEG - CPH
2 stops32h 40mUnited Airlines
Wed 12/106:50 amCPH - GEG
2 stops23h 09mUnited Airlines
Deal found 10/19$597
This Delta deal was found by Cheapflights users on 10/19. 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 12/36:00 amGEG - CPH
2 stops22h 00mDelta
Sun 12/78:10 amCPH - GEG
2 stops21h 00mDelta
Deal found 10/19$599
This United Airlines deal was found by Cheapflights users on 10/18. 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 12/24:10 pmGEG - CPH
2 stops16h 25mUnited Airlines
Tue 12/96:50 amCPH - GEG
3 stops23h 09mUnited Airlines
Deal found 10/18$602
This United Airlines deal was found by Cheapflights users on 10/19. 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 12/312:33 pmGEG - CPH
2 stops20h 32mMultiple Airlines
Wed 12/108:55 amCPH - GEG
3 stops21h 04mMultiple Airlines
Deal found 10/19$617
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/1012:45 pmBOI - CPH
2 stops15h 40mUnited Airlines
Fri 12/510:10 amCPH - BOI
2 stops21h 34mUnited Airlines
Deal found 10/19$647
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/48:25 amBOI - CPH
2 stops23h 00mMultiple Airlines
Thu 12/1112:45 pmCPH - BOI
1 stop17h 13mMultiple Airlines
Deal found 10/20$653
This Scandinavian Airlines deal was found by Cheapflights users on 10/19. 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.
Mon 11/103:54 pmBOI - CPH
1 stop15h 31mScandinavian Airlines
Fri 12/52:20 pmCPH - BOI
1 stop15h 45mScandinavian Airlines
Deal found 10/19$694
This oojo deal was found by Cheapflights users on 10/19. 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 11/288:34 amBOI - CPH
1 stop19h 26mMultiple Airlines
Fri 12/512:45 pmCPH - BOI
1 stop17h 13mMultiple Airlines
Deal found 10/19$805

Cheap flight deals from Idaho to Denmark

Keep the following information in mind while searching for Idaho to Denmark flight deals. Data was last updated October 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$562
(FlightHub)

Popular in

December

Cheapest in

November

Average price

$724
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 Denmark
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($131 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($77 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to Denmark 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 20, 2025.
Use the filters below to find and compare flights from Idaho to Denmark that are best for you.

Fly from

Idaho

Fly to

Denmark

Route

Depart

Return

Price

BoiseCopenhagen

BOI - CPH

BOICPH

Boise Air Term. Gowen Fld

Thu 12/4

3:54 pm-3:25 pm

1 stop15h 31m

Kastrup Copenhagen

Tue 12/9

2:20 pm-10:05 pm

1 stop15h 45m

$562

SpokaneCopenhagen

GEG - CPH

GEGCPH

Spokane

Tue 12/2

6:00 am-1:10 pm

2 stops22h 10m

Kastrup Copenhagen

Sun 12/7

6:00 am-6:55 pm

2 stops21h 55m

$592

SpokaneCopenhagen

GEG - CPH

GEGCPH

Spokane

Tue 12/2

6:00 am-1:10 pm

2 stops22h 10m

Kastrup Copenhagen

Tue 12/9

6:00 am-6:55 pm

2 stops21h 55m

$592

BoiseCopenhagen

BOI - CPH

BOICPH

Boise Air Term. Gowen Fld

Fri 11/28

10:40 am-12:25 pm

2 stops17h 45m

Kastrup Copenhagen

Fri 12/5

10:10 am-11:44 pm

2 stops21h 34m

$597

BoiseCopenhagen

BOI - CPH

BOICPH

Boise Air Term. Gowen Fld

Thu 12/4

2:49 pm-11:05 pm

2 stops24h 16m

Kastrup Copenhagen

Thu 12/11

10:10 am-10:45 pm

2 stops20h 35m

$597

SpokaneCopenhagen

GEG - CPH

GEGCPH

Spokane

Wed 12/3

5:25 am-11:05 pm

2 stops32h 40m

Kastrup Copenhagen

Wed 12/10

6:50 am-8:59 pm

2 stops23h 09m

$597

SpokaneCopenhagen

GEG - CPH

GEGCPH

Spokane

Wed 12/3

7:10 am-1:00 pm

2 stops20h 50m

Kastrup Copenhagen

Sun 12/7

6:00 am-3:40 pm

2 stops18h 40m

$599

SpokaneCopenhagen

GEG - CPH

GEGCPH

Spokane

Tue 12/2

4:10 pm-5:35 pm

2 stops16h 25m

Kastrup Copenhagen

Tue 12/9

6:50 am-8:59 pm

3 stops23h 09m

$602

BoiseCopenhagen

BOI - CPH

BOICPH

Boise Air Term. Gowen Fld

Wed 3/18

10:40 am-12:25 pm

2 stops18h 45m

Kastrup Copenhagen

Fri 4/3

12:25 pm-5:55 pm

2 stops37h 30m

$628

BoiseCopenhagen

BOI - CPH

BOICPH

Boise Air Term. Gowen Fld

Mon 11/10

12:45 pm-12:25 pm

2 stops15h 40m

Kastrup Copenhagen

Fri 12/5

10:10 am-11:44 pm

2 stops21h 34m

$647

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/17

Showing 1-10 of 15 results
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Best time to book a flight from Idaho to Denmark

Have a flexible travel schedule? Discover the best time to fly to Denmark 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 Denmark

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

Currently, September is the cheapest month in which you can book a flight from Idaho to Denmark (average of $588). Flying from Idaho to Denmark in December is currently the most expensive (average of $1,634). 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.

What is the cheapest time of day to fly from ID to DK?

Find hourly flight availability from Idaho to Denmark. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 20, 2025.

A simple way to save on the total cost of your ticket is to fly from Idaho to Denmark at noon. If you’re flexible enough to do this you can expect to save up to 38% on your trip compared to booking a flight in the evening.

Related info for your journey

Find useful and relevant information for your journey from Idaho to Denmark. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Idaho to Denmark?

    Departing from Idaho to Denmark will take you 15h 31m. There are 4959 mi between Idaho and Denmark. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Idaho to Denmark (average of $588). Flying from Idaho to Denmark in December is currently the most expensive (average of $1,634). 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 Idaho to Denmark

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 Denmark

Discover the top 3 airlines that operate flights from Idaho to Denmark. 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 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$590Average$802FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$642Average$993FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$665Average$775FlexibilityNo cancel feeOn-time69%

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