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$392+ Cheap flights from Denmark to Idaho

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 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
CPH — BOI
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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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 October 30, 2025.

This Flysmarter deal was found by Cheapflights users on 10/28. 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.
Sat 12/207:25 pmCPH - BOI
2 stops30h 14mMultiple Airlines
Tue 1/67:15 amBOI - CPH
2 stops22h 25mMultiple Airlines
Deal found 10/28$1,240
This Finnair deal was found by Cheapflights users on 10/29. 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 12/207:20 pmCPH - BOI
2 stops35h 42mFinnair
Tue 1/67:20 amBOI - CPH
2 stops27h 40mFinnair
Deal found 10/29$1,256
This Delta deal was found by Cheapflights users on 10/28. 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.
Sat 12/202:20 pmCPH - BOI
1 stop31h 07mDelta
Tue 1/65:30 amBOI - CPH
2 stops23h 40mDelta
Deal found 10/28$1,749
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Sat 12/136:50 amCPH - IDA
2 stops34h 57mUnited Airlines
Sat 12/2010:45 amIDA - CPH
2 stops28h 20mUnited Airlines
Deal found 10/29$1,971

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 October 30, 2025.

Round-trip from

$618
(American Airlines)

One-way from

$392
(American Airlines)

Popular in

January

Cheapest in

May

Average price

$1,169
From Denmark to Idaho
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One-way flight from Denmark to Idaho
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Highest demand for flights based on searches. 15% potential increase in price ($182 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($52 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 October 30, 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-12:43 pm

2 stops34h 13m

Boise Air Term. Gowen Fld

Mon 2/23

1:24 pm-2:50 pm

2 stops17h 26m

$618

CopenhagenIdaho Falls

CPH - IDA

CPHIDA

Kastrup Copenhagen

Thu 4/23

7:05 am-12:27 pm

2 stops37h 22m

Idaho Falls Fanning Field

Mon 4/27

8:24 am-8:55 pm

2 stops28h 31m

$618

CopenhagenBoise

CPH - BOI

CPHBOI

Kastrup Copenhagen

Sat 12/20

7:25 pm-5:39 pm

2 stops30h 14m

Boise Air Term. Gowen Fld

Tue 1/6

7:15 am-1:40 pm

2 stops22h 25m

$1,240

CopenhagenBoise

CPH - BOI

CPHBOI

Kastrup Copenhagen

Sat 12/20

7:20 pm-11:02 pm

2 stops35h 42m

Boise Air Term. Gowen Fld

Tue 1/6

7:20 am-7:00 pm

2 stops27h 40m

$1,256

CopenhagenBoise

CPH - BOI

CPHBOI

Kastrup Copenhagen

Thu 2/19

2:20 pm-11:04 pm

1 stop16h 44m

Boise Air Term. Gowen Fld

Mon 2/23

1:43 pm-5:00 pm

2 stops19h 17m

$1,298

CopenhagenBoise

CPH - BOI

CPHBOI

Kastrup Copenhagen

Sat 12/20

2:20 pm-1:27 pm

1 stop31h 07m

Boise Air Term. Gowen Fld

Tue 1/6

5:30 am-1:10 pm

2 stops23h 40m

$1,749

CopenhagenIdaho Falls

CPH - IDA

CPHIDA

Kastrup Copenhagen

Sat 12/13

6:50 am-9:47 am

2 stops34h 57m

Idaho Falls Fanning Field

Sat 12/20

10:45 am-11:05 pm

2 stops28h 20m

$1,971

CopenhagenBoise

CPH - BOI

CPHBOI

Kastrup Copenhagen

Wed 12/24

6:55 am-10:02 pm

2 stops23h 07m

$392

CopenhagenBoise

CPH - BOI

CPHBOI

Kastrup Copenhagen

Tue 12/23

6:25 am-11:37 pm

2 stops25h 12m

$529

CopenhagenBoise

CPH - BOI

CPHBOI

Kastrup Copenhagen

Wed 12/24

9:15 am-11:02 pm

3 stops45h 47m

$647

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

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, May is the cheapest month in which you can book a flight from Denmark to Idaho (average of $647). Flying from Denmark to Idaho in January is currently the most expensive (average of $1,529). 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, Finnair, and United Airlines can get you from Denmark to Idaho in just under 34h 13m. Your travel time can differ by up to 1h 29m. Airlines will cover a distance of 4959 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, May is the cheapest month in which you can book a flight from Denmark to Idaho (average of $647). Flying from Denmark to Idaho in January is currently the most expensive (average of $1,529). 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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