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$407+ 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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — CPH
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
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 December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3011:59 pmGEG - CPH
2 stops29h 06mUnited Airlines
Mon 1/121:10 pmCPH - GEG
2 stops55h 29mUnited Airlines
Deal found 12/16$724
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:41 pmGEG - CPH
1 stop36h 44mMultiple Airlines
Mon 1/128:50 pmCPH - GEG
2 stops33h 35mMultiple Airlines
Deal found 12/16$1,498
This Expedia deal was found by Cheapflights users on 12/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2011:36 amGEG - CPH
2 stops20h 04mMultiple Airlines
Mon 12/2210:10 amCPH - GEG
2 stops22h 00mMultiple Airlines
Deal found 12/16$2,240

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 December 18, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$529
(Cheapflightsfares)

One-way from

$407
(United Airlines)

Popular in

December

Cheapest in

November

Average price

$2,876
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. 40% potential increase in price ($715 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 20% potential price decrease ($182 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 18, 2025.
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

SpokaneCopenhagen

GEG - CPH

GEGCPH

Spokane

Sun 4/5

2:06 pm-7:55 pm

2 stops20h 49m

Kastrup Copenhagen

Wed 4/15

6:00 am-11:35 pm

2 stops26h 35m

$544

SpokaneCopenhagen

GEG - CPH

GEGCPH

Spokane

Tue 1/13

6:30 am-1:10 pm

2 stops21h 40m

Kastrup Copenhagen

Tue 1/27

6:00 am-9:20 pm

2 stops24h 20m

$545

SpokaneCopenhagen

GEG - CPH

GEGCPH

Spokane

Fri 1/30

6:30 am-1:10 pm

2 stops21h 40m

Kastrup Copenhagen

Fri 2/6

9:55 am-7:54 pm

2 stops18h 59m

$545

BoiseCopenhagen

BOI - CPH

BOICPH

Boise Air Term. Gowen Fld

Fri 1/30

10:39 am-1:00 pm

2 stops18h 21m

Kastrup Copenhagen

Fri 2/6

8:10 am-8:55 pm

2 stops20h 45m

$552

BoiseCopenhagen

BOI - CPH

BOICPH

Boise Air Term. Gowen Fld

Fri 1/30

6:10 am-12:25 pm

2 stops22h 15m

Kastrup Copenhagen

Tue 2/3

10:10 am-9:23 pm

2 stops19h 13m

$553

SpokaneCopenhagen

GEG - CPH

GEGCPH

Spokane

Wed 2/4

12:24 pm-11:05 pm

2 stops49h 41m

Kastrup Copenhagen

Sun 2/8

6:50 am-7:16 pm

2 stops21h 26m

$554

JacksonCopenhagen

JAC - CPH

JACCPH

Jackson Hole

Wed 1/14

7:00 am-5:35 pm

2 stops26h 35m

Kastrup Copenhagen

Sun 1/18

9:50 am-2:26 pm

2 stops36h 36m

$555

SpokaneCopenhagen

GEG - CPH

GEGCPH

Spokane

Wed 1/14

11:25 am-12:25 pm

2 stops16h 00m

Kastrup Copenhagen

Wed 1/21

6:50 am-9:22 pm

3 stops23h 32m

$558

SpokaneCopenhagen

GEG - CPH

GEGCPH

Spokane

Wed 1/14

6:00 am-12:15 pm

2 stops21h 15m

Kastrup Copenhagen

Wed 1/21

6:55 am-6:49 pm

2 stops20h 54m

$566

SpokaneCopenhagen

GEG - CPH

GEGCPH

Spokane

Tue 1/13

6:53 am-1:35 pm

2 stops21h 42m

Kastrup Copenhagen

Tue 1/27

8:55 am-9:22 pm

3 stops21h 27m

$572

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 23 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 time of day to fly from ID to CPH?

Find hourly flight availability from Idaho to Copenhagen. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 28% on flights from Idaho to Copenhagen by exploring options for tickets in the afternoon.

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 20h 49m. Fly via Delta or United Airlines to get the fastest option. The distance from Idaho to Copenhagen is about 4740 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 Spokane - Kastrup Copenhagen, Boise Air Term. Gowen Fld - 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.

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

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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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$590Average$850FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$642Average$1,085FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$665Average$754FlexibilityNo cancel feeOn-time69%

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