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$634+ Cheap flights from Copenhagen (CPH) to Idaho

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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
CPH — BOI
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Copenhagen to Idaho

Keep the following information in mind while searching for Copenhagen to Idaho flight deals. Data was last updated September 16, 2025.

Round-trip from

$634
(American Airlines)

Popular in

January

Cheapest in

May

Average price

$849
From Kastrup Copenhagen to Idaho
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($215 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($53 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Copenhagen to Idaho

Cheapest flights from Copenhagen to Idaho
Explore the most affordable flight options available from Copenhagen to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/318:40 amCPH - BOI
2 stops18h 13mAmerican Airlines
Fri 11/71:25 pmBOI - CPH
2 stops20h 10mAmerican Airlines
Deal found 9/16$634
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/157:45 amCPH - IDA
2 stops22h 03mAmerican Airlines
Wed 10/2212:55 pmIDA - CPH
2 stops23h 10mAmerican Airlines
Deal found 9/15$670
This SmartFares deal was found by Cheapflights users on 9/16. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:20 pmCPH - BOI
1 stop15h 32mScandinavian Airlines
Fri 11/74:00 pmBOI - CPH
1 stop15h 25mScandinavian Airlines
Deal found 9/16$806
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Fri 10/3110:10 amCPH - BOI
3 stops34h 34mUnited Airlines
Fri 11/710:40 amBOI - CPH
2 stops17h 45mUnited Airlines
Deal found 9/16$822
This Delta deal was found by Cheapflights users on 9/14. 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 9/302:45 pmCPH - IDA
2 stops35h 26mDelta
Sat 10/46:00 amIDA - CPH
2 stops40h 30mDelta
Deal found 9/14$868
This Trip.com deal was found by Cheapflights users on 9/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/151:10 pmCPH - IDA
1 stop17h 28mMultiple Airlines
Wed 10/226:00 amIDA - CPH
1 stop20h 50mMultiple Airlines
Deal found 9/15$931
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 12/2012:30 pmCPH - BOI
2 stops32h 07mAmerican Airlines
Tue 1/61:20 pmBOI - CPH
2 stops21h 40mAmerican Airlines
Deal found 9/14$969
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 10/156:10 amCPH - IDA
3 stops19h 05mUnited Airlines
Wed 10/225:56 pmIDA - CPH
2 stops18h 44mUnited Airlines
Deal found 9/15$977
This SmartFares deal was found by Cheapflights users on 9/16. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:30 pmCPH - BOI
2 stops31h 42mMultiple Airlines
Fri 11/78:41 amBOI - CPH
1 stop19h 19mMultiple Airlines
Deal found 9/16$1,059
This Flysmarter deal was found by Cheapflights users on 9/14. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/3012:20 pmCPH - IDA
3 stops29h 28mAir Canada
Sat 10/49:41 amIDA - CPH
2 stops20h 29mAir Canada
Deal found 9/14$1,373
This Finnair deal was found by Cheapflights users on 9/15. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/202:50 pmCPH - BOI
2 stops39h 12mFinnair
Tue 1/67:32 amBOI - CPH
2 stops20h 43mFinnair
Deal found 9/15$1,510
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 9/306:25 amCPH - IDA
2 stops24h 14mMultiple Airlines
Sat 10/44:15 pmIDA - CPH
1 stop34h 35mMultiple Airlines
Deal found 9/14$1,562

Cheapflights Fare Finder

 
Customize your flight search to find flights from Copenhagen to Idaho 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 September 16, 2025.
Use the filters below to find and compare flights from Copenhagen to Idaho that are best for you.

Fly from

Copenhagen

Fly to

Idaho

Route

Depart

Return

Price

CopenhagenBoise

CPH - BOI

CPHBOI

Kastrup Copenhagen

Fri 10/31

8:40 am-7:53 pm

2 stops18h 13m

Boise Air Term. Gowen Fld

Fri 11/7

1:25 pm-5:35 pm

2 stops20h 10m

$634

CopenhagenBoise

CPH - BOI

CPHBOI

Kastrup Copenhagen

Thu 2/19

10:30 am-12:22 pm

2 stops33h 52m

Boise Air Term. Gowen Fld

Mon 2/23

1:20 pm-11:30 am

2 stops38h 10m

$638

CopenhagenIdaho Falls

CPH - IDA

CPHIDA

Kastrup Copenhagen

Wed 10/15

7:45 am-9:48 pm

2 stops22h 03m

Idaho Falls Fanning Field

Wed 10/22

12:55 pm-8:05 pm

2 stops23h 10m

$670

CopenhagenBoise

CPH - BOI

CPHBOI

Kastrup Copenhagen

Fri 10/31

2:20 pm-10:52 pm

1 stop15h 32m

Boise Air Term. Gowen Fld

Fri 11/7

4:00 pm-3:25 pm

1 stop15h 25m

$806

CopenhagenBoise

CPH - BOI

CPHBOI

Kastrup Copenhagen

Fri 10/31

10:10 am-1:44 pm

3 stops34h 34m

Boise Air Term. Gowen Fld

Fri 11/7

10:40 am-12:25 pm

2 stops17h 45m

$822

CopenhagenBoise

CPH - BOI

CPHBOI

Kastrup Copenhagen

Sun 1/4

7:20 pm-10:02 pm

2 stops34h 42m

Boise Air Term. Gowen Fld

Mon 3/30

1:25 pm-6:40 pm

2 stops21h 15m

$851

CopenhagenIdaho Falls

CPH - IDA

CPHIDA

Kastrup Copenhagen

Tue 9/30

2:45 pm-6:11 pm

2 stops35h 26m

Idaho Falls Fanning Field

Sat 10/4

6:00 am-6:30 am

2 stops40h 30m

$868

CopenhagenIdaho Falls

CPH - IDA

CPHIDA

Kastrup Copenhagen

Wed 10/15

1:10 pm-10:38 pm

1 stop17h 28m

Idaho Falls Fanning Field

Wed 10/22

6:00 am-10:50 am

1 stop20h 50m

$931

CopenhagenBoise

CPH - BOI

CPHBOI

Kastrup Copenhagen

Sat 12/20

12:30 pm-12:37 pm

2 stops32h 07m

Boise Air Term. Gowen Fld

Tue 1/6

1:20 pm-7:00 pm

2 stops21h 40m

$969

CopenhagenIdaho Falls

CPH - IDA

CPHIDA

Kastrup Copenhagen

Wed 10/15

6:10 am-5:15 pm

3 stops19h 05m

Idaho Falls Fanning Field

Wed 10/22

5:56 pm-8:40 pm

2 stops18h 44m

$977

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

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

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

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

Currently, October is the cheapest month in which you can book a flight from Copenhagen to Idaho (average of $314). Flying from Copenhagen to Idaho in June is currently the most expensive (average of $398). 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.

How much does it cost to fly round-trip from Copenhagen to Idaho?

Related info for your journey

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

    If you book a flight to Idaho from Copenhagen, you will be flying from Kastrup Copenhagen, which is the city’s only airport. Kastrup Copenhagen (CPH) is located 5.0 mi from the center of Copenhagen.

  • How long is the flight from Copenhagen to Idaho?

    American Airlines, Scandinavian Airlines, and Delta can get you from Copenhagen to Idaho in just under 15h 32m. Your travel time can differ by up to 19h 54m. The distance between Copenhagen and Idaho is about 4959 mi. This flight may include one or multiple stops.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Copenhagen to Idaho (average of $314). Flying from Copenhagen to Idaho in June is currently the most expensive (average of $398). 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 Copenhagen to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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