HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Denmark

$634+ 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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — CPH
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Idaho to Denmark with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 30, 2025.

Round-trip from

$634
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$1,228
From Idaho to Denmark
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($150 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($76 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 June 30, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/83:05 pmBOI - CPH
1 stop16h 05mScandinavian Airlines
Wed 10/151:05 pmCPH - BOI
1 stop15h 11mScandinavian Airlines
Deal found 6/27$634
This Air France deal was found by Cheapflights users on 6/28. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1311:45 amBOI - CPH
2 stops16h 20mMultiple Airlines
Wed 8/2012:20 pmCPH - BOI
1 stop19h 36mMultiple Airlines
Deal found 6/28$654
This Delta deal was found by Cheapflights users on 6/28. 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.
Tue 8/1211:14 amGEG - CPH
2 stops20h 51mDelta
Thu 8/219:00 amCPH - GEG
2 stops21h 44mDelta
Deal found 6/28$658
This Delta deal was found by Cheapflights users on 6/28. 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.
Wed 8/133:06 pmBOI - CPH
2 stops19h 39mDelta
Wed 8/209:00 amCPH - BOI
2 stops22h 56mDelta
Deal found 6/28$659
This Trip.com deal was found by Cheapflights users on 6/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/37:44 pmGEG - CPH
2 stops17h 01mMultiple Airlines
Sun 8/172:05 pmCPH - GEG
2 stops16h 04mMultiple Airlines
Deal found 6/28$675
This Finnair deal was found by Cheapflights users on 6/29. 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.
Thu 12/47:23 amBOI - CPH
2 stops24h 52mFinnair
Tue 12/96:05 amCPH - BOI
2 stops23h 19mFinnair
Deal found 6/29$709
This United Airlines deal was found by Cheapflights users on 6/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/61:38 pmGEG - CPH
2 stops32h 32mUnited Airlines
Sun 9/1412:25 pmCPH - GEG
2 stops43h 40mUnited Airlines
Deal found 6/28$710
This United Airlines deal was found by Cheapflights users on 6/29. 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.
Fri 11/285:17 pmBOI - CPH
2 stops16h 18mUnited Airlines
Fri 12/56:50 amCPH - BOI
2 stops22h 21mUnited Airlines
Deal found 6/29$720
This KLM deal was found by Cheapflights users on 6/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/146:50 amGEG - CPH
1 stop18h 15mKLM
Fri 8/2212:20 pmCPH - GEG
1 stop20h 28mKLM
Deal found 6/29$752
This oojo deal was found by Cheapflights users on 6/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/291:00 pmBOI - CPH
2 stops24h 45mIcelandair
Tue 8/57:20 amCPH - BOI
2 stops23h 26mIcelandair
Deal found 6/29$828
This Gotogate deal was found by Cheapflights users on 6/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/208:15 amBOI - CPH
2 stops30h 40mLufthansa
Fri 11/286:55 amCPH - BOI
2 stops24h 00mLufthansa
Deal found 6/27$835
This Air Canada deal was found by Cheapflights users on 6/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/185:42 pmBOI - CPH
2 stops53h 28mAir Canada
Tue 7/2912:45 pmCPH - BOI
2 stops41h 42mAir Canada
Deal found 6/28$844

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 June 30, 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

Wed 10/8

3:05 pm-3:10 pm

1 stop16h 05m

Kastrup Copenhagen

Wed 10/15

1:05 pm-8:16 pm

1 stop15h 11m

$634

BoiseCopenhagen

BOI - CPH

BOICPH

Boise Air Term. Gowen Fld

Wed 8/13

11:45 am-12:05 pm

2 stops16h 20m

Kastrup Copenhagen

Wed 8/20

12:20 pm-11:56 pm

1 stop19h 36m

$654

SpokaneCopenhagen

GEG - CPH

GEGCPH

Spokane

Tue 8/12

11:14 am-5:05 pm

2 stops20h 51m

Kastrup Copenhagen

Thu 8/21

9:00 am-9:44 pm

2 stops21h 44m

$658

BoiseCopenhagen

BOI - CPH

BOICPH

Boise Air Term. Gowen Fld

Wed 8/13

3:06 pm-6:45 pm

2 stops19h 39m

Kastrup Copenhagen

Wed 8/20

9:00 am-11:56 pm

2 stops22h 56m

$659

SpokaneCopenhagen

GEG - CPH

GEGCPH

Spokane

Sun 8/3

7:44 pm-9:45 pm

2 stops17h 01m

Kastrup Copenhagen

Sun 8/17

2:05 pm-9:09 pm

2 stops16h 04m

$675

BoiseCopenhagen

BOI - CPH

BOICPH

Boise Air Term. Gowen Fld

Thu 12/4

7:23 am-4:15 pm

2 stops24h 52m

Kastrup Copenhagen

Tue 12/9

6:05 am-9:24 pm

2 stops23h 19m

$709

SpokaneCopenhagen

GEG - CPH

GEGCPH

Spokane

Sat 9/6

1:38 pm-7:10 am

2 stops32h 32m

Kastrup Copenhagen

Sun 9/14

12:25 pm-11:05 pm

2 stops43h 40m

$710

BoiseCopenhagen

BOI - CPH

BOICPH

Boise Air Term. Gowen Fld

Fri 11/28

5:17 pm-5:35 pm

2 stops16h 18m

Kastrup Copenhagen

Fri 12/5

6:50 am-9:11 pm

2 stops22h 21m

$720

SpokaneCopenhagen

GEG - CPH

GEGCPH

Spokane

Thu 8/14

6:50 am-10:05 am

1 stop18h 15m

Kastrup Copenhagen

Fri 8/22

12:20 pm-11:48 pm

1 stop20h 28m

$752

BoiseCopenhagen

BOI - CPH

BOICPH

Boise Air Term. Gowen Fld

Tue 7/29

1:00 pm-9:45 pm

2 stops24h 45m

Kastrup Copenhagen

Tue 8/5

7:20 am-10:46 pm

2 stops23h 26m

$828

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/27

Showing 1-10 of 16 results
1
2

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, November is the cheapest month in which you can book a flight from Idaho to Denmark (average of $523). Flying from Idaho to Denmark in June is currently the most expensive (average of $919). 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 June 30, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to Denmark as you normally would.

Reviews of airlines servicing Denmark

Get insights into the airlines that provide service to Denmark. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denmark. Reviews last updated June 30, 2025.
Read through reviews of airlines operating flights from Idaho to Denmark, such as Delta, KLM, and Finnair. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,969 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,969 reviews
Delta
8.0
Very good
7,969 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,366 reviews
Delta
8.0
Very good
7,969 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,299 reviews
Delta
8.0
Very good
7,969 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,852 reviews
Delta
8.0
Very good
7,969 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Scandinavian Airlines
7.3
Good
1,413 reviews
Delta
8.0
Very good
7,969 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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, November is the cheapest month in which you can book a flight from Idaho to Denmark (average of $523). Flying from Idaho to Denmark in June is currently the most expensive (average of $919). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Idaho to Denmark

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
John F Kennedy Intl to Charles de Gaulle flights
Newark to Heathrow flights
John F Kennedy Intl to Leonardo da Vinci/Fiumicino flights
Newark to Charles de Gaulle flights
John F Kennedy Intl to Gatwick flights
Newark to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Istanbul flights
Newark to Orly flights
Newark to Athens flights
John F Kennedy Intl to Athens flights
Los Angeles to Heathrow flights
John F Kennedy Intl to London City flights
John F Kennedy Intl to Lisbon flights
Boston to Heathrow flights
LaGuardia to Heathrow flights
John F Kennedy Intl to Orly flights
Dulles Intl to Heathrow flights
John F Kennedy Intl to Barcelona-El Prat flights
John F Kennedy Intl to Madrid flights
Newark to Gatwick flights
LaGuardia to Charles de Gaulle flights
Newark to Barcelona-El Prat flights
O'Hare Intl to Heathrow flights
Dallas/Fort Worth to Heathrow flights
O'Hare Intl to Charles de Gaulle flights
Newark to Madrid flights
John F Kennedy Intl to Malpensa flights
Seattle to Heathrow flights
Baltimore to Heathrow flights
Newark to Lisbon flights
Boston to Gatwick flights
San Francisco to Heathrow flights
John F Kennedy Intl to Dublin flights
Newark to Dublin flights
Dulles Intl to Charles de Gaulle flights
Newark to Malpensa flights
Miami to Madrid flights
LaGuardia to Leonardo da Vinci/Fiumicino flights
Boston to Leonardo da Vinci/Fiumicino flights
O'Hare Intl to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Stansted flights
Boston to Charles de Gaulle flights
Los Angeles to Leonardo da Vinci/Fiumicino flights
LaGuardia to Gatwick flights
Miami to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Frankfurt flights
Newark to Frankfurt flights
Dulles Intl to Leonardo da Vinci/Fiumicino flights
Seattle to Istanbul flights

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 June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$643Average$1,052FlexibilityNo cancel feeOn-time77%
DeltaCheapest$731Average$756FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$752Average$830FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.