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$637+ Cheap flights from Denmark 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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
CPH — BOI
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Denmark to Idaho

Keep the following information in mind while searching for Denmark to Idaho flight deals. Data was last updated September 15, 2025.

Round-trip from

$637
(American Airlines)

Popular in

January

Cheapest in

May

Average price

$849
From Denmark 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 Denmark to Idaho

Cheapest flights from Denmark to Idaho
Explore the most affordable flight options available from Denmark to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

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 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 9/13. 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 1/61:43 pmBOI - CPH
2 stops21h 17mAmerican Airlines
Deal found 9/13$968
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 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
This Air Canada deal was found by Cheapflights users on 9/13. 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.
Sat 12/206:50 amCPH - BOI
3 stops24h 09mAir Canada
Tue 1/68:15 amBOI - CPH
3 stops21h 20mAir Canada
Deal found 9/13$1,995

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denmark 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 15, 2025.
Use the filters below to find and compare flights from Denmark to Idaho that are best for you.

Fly from

Denmark

Fly to

Idaho

Route

Depart

Return

Price

CopenhagenBoise

CPH - BOI

CPHBOI

Kastrup Copenhagen

Thu 2/19

10:30 am-12:40 pm

2 stops34h 10m

Boise Air Term. Gowen Fld

Mon 2/23

1:48 pm-2:50 pm

2 stops17h 02m

$637

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

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

1:43 pm-7:00 pm

2 stops21h 17m

$968

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

CopenhagenIdaho Falls

CPH - IDA

CPHIDA

Kastrup Copenhagen

Tue 9/30

12:20 pm-9:48 am

3 stops29h 28m

Idaho Falls Fanning Field

Sat 10/4

9:41 am-2:10 pm

2 stops20h 29m

$1,373

CopenhagenBoise

CPH - BOI

CPHBOI

Kastrup Copenhagen

Sat 12/20

2:50 pm-10:02 pm

2 stops39h 12m

Boise Air Term. Gowen Fld

Tue 1/6

7:32 am-12:15 pm

2 stops20h 43m

$1,510

CopenhagenIdaho Falls

CPH - IDA

CPHIDA

Kastrup Copenhagen

Tue 9/30

6:25 am-10:39 pm

2 stops24h 14m

Idaho Falls Fanning Field

Sat 10/4

4:15 pm-10:50 am

1 stop34h 35m

$1,562

CopenhagenBoise

CPH - BOI

CPHBOI

Kastrup Copenhagen

Sat 12/20

6:50 am-10:59 pm

3 stops24h 09m

Boise Air Term. Gowen Fld

Tue 1/6

8:15 am-1:35 pm

3 stops21h 20m

$1,995

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Best time to book a flight from Denmark to Idaho

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

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

Currently, October is the cheapest month in which you can book a flight from Denmark to Idaho (average of $314). Flying from Denmark 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.

Related info for your journey

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

    American Airlines, Delta, and United Airlines can get you from Denmark to Idaho in just under 19h 05m. Your travel time can differ by up to 16h 21m. Airlines will cover a distance of 4863 mi. 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 Denmark to Idaho that include hotel bookings?

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Denmark to Idaho (average of $314). Flying from Denmark 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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