What is the cheapest airline that flies from Idaho to Kastrup Copenhagen?

KLM and Delta are the most popular carriers operating from Idaho to Kastrup Copenhagen

When did momondo last update prices for flights from Idaho to Kastrup Copenhagen Airport?

Prices for flights from Idaho to Kastrup Copenhagen Airport refresh daily.

How many operators does momondo search for flights from Idaho to Kastrup Copenhagen Airport?

The number of operators available for flights from Idaho to Kastrup Copenhagen Airport is 3 as of May 2026.

How old do you have to be to fly from Idaho to Kastrup Copenhagen Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Kastrup Copenhagen Airport.

What documentation or ID do you need to fly to Kastrup Copenhagen Airport?

The travel and health documents you'll need for your trip to Kastrup Copenhagen Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Kastrup Copenhagen Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$463 Cheap Flights from Idaho to Copenhagen in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Idaho to Copenhagen

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:29 pm - 5:30 pm

BOI

CPH

21h 01m

2 stops

11:35 am - 2:56 pm

CPH

BOI

35h 21m

2 stops

$749United Airlines

Mon, Nov 16 - Wed, Nov 18

11:30 am - 5:30 pm

GEG

CPH

21h 00m

2 stops

11:35 am - 11:38 pm

CPH

GEG

45h 03m

2 stops

$749United Airlines

Mon, Nov 16 - Wed, Nov 18

5:59 pm - 9:35 pm

BOI

CPH

19h 36m

2 stops

9:55 am - 11:55 pm

CPH

BOI

22h 00m

2 stops

$801Delta

Wed, Aug 26 - Tue, Dec 8

5:10 am - 11:45 am

BOI

CPH

22h 35m

1 stop

6:00 am - 11:55 pm

CPH

BOI

25h 55m

2 stops

$805Delta

Wed, Aug 26 - Tue, Dec 8

3:04 pm - 11:10 pm

BOI

CPH

24h 06m

2 stops

8:50 am - 10:17 pm

CPH

BOI

21h 27m

2 stops

$817Finnair

Wed, Sep 2 - Tue, Sep 15

6:30 am - 10:50 am

BOI

CPH

20h 20m

2 stops

6:55 am - 11:06 pm

CPH

BOI

24h 11m

3 stops

$819Multiple Airlines

Wed, Aug 26 - Tue, Dec 8

6:44 am - 4:15 pm

BOI

CPH

25h 31m

2 stops

7:45 am - 10:17 pm

CPH

BOI

22h 32m

2 stops

$848Finnair

Tue, Sep 22 - Wed, Oct 7

1:10 pm - 5:25 pm

JAC

CPH

20h 15m

2 stops

7:20 pm - 4:29 pm

CPH

JAC

29h 09m

2 stops

$858Multiple Airlines

Thu, Nov 19 - Mon, Nov 23

11:48 am - 1:10 pm

JAC

CPH

17h 22m

2 stops

12:30 pm - 12:28 pm

CPH

JAC

31h 58m

3 stops

$988American Airlines

Fri, Aug 14 - Sat, Dec 12

1:11 pm - 8:05 pm

JAC

CPH

22h 54m

2 stops

11:00 am - 12:14 pm

CPH

JAC

33h 14m

3 stops

$1,059American Airlines

Thu, Nov 19 - Mon, Nov 23

United Airlines flights from Idaho to Copenhagen

Our best United Airlines deals on Idaho to Copenhagen flight tickets

United Airlines

Nov 16

BOI12:29 pmBoise Air Term. Gowen Fld

21h 01m

2 stops

CPH5:30 pmKastrup Copenhagen

Nov 18

CPH11:35 amKastrup Copenhagen

35h 21m

2 stops

BOI2:56 pmBoise Air Term. Gowen Fld

$749

United Airlines

Oct 20

BOI12:29 pmBoise Air Term. Gowen Fld

20h 51m

2 stops

CPH5:20 pmKastrup Copenhagen

Oct 22

CPH12:45 pmKastrup Copenhagen

40h 46m

2 stops

BOI9:31 pmBoise Air Term. Gowen Fld

$779

United Airlines

Aug 14

BOI6:30 amBoise Air Term. Gowen Fld

44h 20m

2 stops

CPH10:50 amKastrup Copenhagen

Dec 22

CPH10:10 amKastrup Copenhagen

19h 05m

2 stops

BOI9:15 pmBoise Air Term. Gowen Fld

$921

Finnair flights from Idaho to Copenhagen

Our best Finnair deals on Idaho to Copenhagen flight tickets

Finnair

Sep 2

BOI3:04 pmBoise Air Term. Gowen Fld

24h 06m

2 stops

CPH11:10 pmKastrup Copenhagen

Sep 15

CPH8:50 amKastrup Copenhagen

21h 27m

2 stops

BOI10:17 pmBoise Air Term. Gowen Fld

$817

Finnair

Sep 22

BOI6:44 amBoise Air Term. Gowen Fld

25h 31m

2 stops

CPH4:15 pmKastrup Copenhagen

Oct 7

CPH7:45 amKastrup Copenhagen

22h 32m

2 stops

BOI10:17 pmBoise Air Term. Gowen Fld

$848

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseCopenhagen

BOI - CPH

BOICPH

Boise Air Term. Gowen Fld

Mon 11/16

12:29 pm-5:30 pm

2 stops21h 01m

Kastrup Copenhagen

Wed 11/18

11:35 am-2:56 pm

2 stops35h 21m

$749

SpokaneCopenhagen

GEG - CPH

GEGCPH

Spokane

Mon 11/16

11:30 am-5:30 pm

2 stops21h 00m

Kastrup Copenhagen

Wed 11/18

11:35 am-11:38 pm

2 stops45h 03m

$749

Quickest round-trip

BoiseCopenhagen

BOI - CPH

BOICPH

Boise Air Term. Gowen Fld

Wed 8/26

5:59 pm-9:35 pm

2 stops19h 36m

Kastrup Copenhagen

Tue 12/8

9:55 am-11:55 pm

2 stops22h 00m

$801

BoiseCopenhagen

BOI - CPH

BOICPH

Boise Air Term. Gowen Fld

Wed 8/26

5:10 am-11:45 am

1 stop22h 35m

Kastrup Copenhagen

Tue 12/8

6:00 am-11:55 pm

2 stops25h 55m

$805

BoiseCopenhagen

BOI - CPH

BOICPH

Boise Air Term. Gowen Fld

Wed 9/2

3:04 pm-11:10 pm

2 stops24h 06m

Kastrup Copenhagen

Tue 9/15

8:50 am-10:17 pm

2 stops21h 27m

$817

BoiseCopenhagen

BOI - CPH

BOICPH

Boise Air Term. Gowen Fld

Wed 8/26

6:30 am-10:50 am

2 stops20h 20m

Kastrup Copenhagen

Tue 12/8

6:55 am-11:06 pm

3 stops24h 11m

$819

BoiseCopenhagen

BOI - CPH

BOICPH

Boise Air Term. Gowen Fld

Tue 9/22

6:44 am-4:15 pm

2 stops25h 31m

Kastrup Copenhagen

Wed 10/7

7:45 am-10:17 pm

2 stops22h 32m

$848

JacksonCopenhagen

JAC - CPH

JACCPH

Jackson Hole

Thu 11/19

1:10 pm-5:25 pm

2 stops20h 15m

Kastrup Copenhagen

Mon 11/23

7:20 pm-4:29 pm

2 stops29h 09m

$858

JacksonCopenhagen

JAC - CPH

JACCPH

Jackson Hole

Fri 8/14

11:48 am-1:10 pm

2 stops17h 22m

Kastrup Copenhagen

Sat 12/12

12:30 pm-12:28 pm

3 stops31h 58m

$988

JacksonCopenhagen

JAC - CPH

JACCPH

Jackson Hole

Thu 11/19

1:11 pm-8:05 pm

2 stops22h 54m

Kastrup Copenhagen

Mon 11/23

11:00 am-12:14 pm

3 stops33h 14m

$1,059

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Idaho to Copenhagen

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Copenhagen?

The cheapest month to fly to Copenhagen from Idaho is in February. Flight prices, which tend to average around $546, are often lower during this time because this is during the off-season. If you aren’t able to travel to Copenhagen during the month of February, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $581.

Can stopping save me money on Idaho to Copenhagen flights?

You could potentially save up to 21% on your flight if you consider stops on a Idaho to Copenhagen flight.

Cheap Idaho to Copenhagen flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to Copenhagen

Fastest flight time	18h 55m
Direct flights	None

The fastest flight from Idaho to Copenhagen takes 18h 55m

There are no direct flights from Idaho to Copenhagen. There are no popular flight routes from Idaho to Copenhagen.

Search flight deals

Frequently asked questions about flying from Idaho to Copenhagen

When did momondo last update prices for flights from Idaho to Kastrup Copenhagen Airport?
Prices for flights from Idaho to Kastrup Copenhagen Airport refresh daily.
How many operators does momondo search for flights from Idaho to Kastrup Copenhagen Airport?
The number of operators available for flights from Idaho to Kastrup Copenhagen Airport is 3 as of May 2026.
How old do you have to be to fly from Idaho to Kastrup Copenhagen Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Kastrup Copenhagen Airport.
What documentation or ID do you need to fly to Kastrup Copenhagen Airport?
The travel and health documents you'll need for your trip to Kastrup Copenhagen Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Kastrup Copenhagen Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Idaho to Copenhagen

Compare and see reviews for airlines that fly from Idaho to Copenhagen with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $546	Free Cancellation	Rating 7.9 8,436 reviews		Search Delta flights
United Airlines	PriceFrom $621	Free Cancellation	Rating 7.4 9,749 reviews		Search United Airlines flights

Kastrup

Roskilde

Why use momondo?

Why should I use momondo to find a flight deal from Idaho to Copenhagen?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Idaho to Copenhagen. momondo saves you time and could save you money on your trip.

Can I find flights from Idaho to Copenhagen with flexible booking policies on momondo?

momondo does allow users to show only those flights to Copenhagen from Idaho which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Idaho to Copenhagen?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Idaho to Copenhagen.

I’m not ready to book a flight from Idaho to Copenhagen right now. Can momondo alert me if prices change?

Price alerts on flights to Copenhagen from Idaho are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Copenhagen trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Tue 6/23

Tue 6/30

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Denmark

Nearby airports

Airlines

Cabin classes

Other Denmark destinations

Other flights from Idaho

Complete your trip

Feeling lucky

Airports servicing Denmark

Cheap flights from Idaho to Copenhagen from $463

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Copenhagen departing on 8/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Idaho to Copenhagen

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

United Airlines flights from Idaho to Copenhagen

Our best United Airlines deals on Idaho to Copenhagen flight tickets

Finnair flights from Idaho to Copenhagen

Our best Finnair deals on Idaho to Copenhagen flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Idaho to Copenhagen that are best for you.

See travel insights to Copenhagen from

How to get the cheapest flight ticket from Idaho to Copenhagen

What is the cheapest month to fly to Copenhagen?

Can stopping save me money on Idaho to Copenhagen flights?

What is the cheapest airline that flies from Idaho to Kastrup Copenhagen?

Cheap Idaho to Copenhagen flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to Copenhagen

Fastest flight time

Direct flights

Frequently asked questions about flying from Idaho to Copenhagen

Best airlines flying from Idaho to Copenhagen

Compare and see reviews for airlines that fly from Idaho to Copenhagen with momondo

Traveling to a place near Copenhagen?

Why use momondo?

An easier way to manage your Copenhagen trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Denmark

Airports servicing Denmark

Fly your favorite airline to Copenhagen

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Copenhagen

List of cabin classes available on flights landing in Copenhagen. Availability may vary depending on flight origin and airline.

Popular cities in Denmark

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Idaho

According to popular flight searches on momondo this year

Complete your trip to Copenhagen

Explore popular destinations other users love

According to popular flight searches on momondo this year