$745 Cheap Flights from Copenhagen (CPH) to Boise (BOI)

View $745 flight on Mon, Nov 3, 2025Opens in a new window

Popular airlines from Copenhagen Airport, Kastrup (CPH) to Boise Airport (BOI)

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Cheap Flights from Copenhagen to Boise (CPH-BOI)

Prices were available within the past 7 days and start at $745 for one-way flights and $746 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Oct 21 - Mon, Nov 3
CPH
Copenhagen
BOI
Boise
$746 Roundtrip, found 2 days ago
$746
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Oct 21 from Copenhagen to Boise, returning Mon, Nov 3, priced at $746 found 2 days ago
American Airlines
Fri, Oct 17 - Mon, Nov 3
CPH
Copenhagen
BOI
Boise
$760 Roundtrip, found 2 days ago
$760
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Oct 17 from Copenhagen to Boise, returning Mon, Nov 3, priced at $760 found 2 days ago
American Airlines
Wed, Sep 24 - Sat, Oct 11
CPH
Copenhagen
BOI
Boise
$760 Roundtrip, found 2 days ago
$760
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Sep 24 from Copenhagen to Boise, returning Sat, Oct 11, priced at $760 found 2 days ago
American Airlines
Sun, Nov 2 - Wed, Nov 19
CPH
Copenhagen
BOI
Boise
$785 Roundtrip, found 2 days ago
$785
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sun, Nov 2 from Copenhagen to Boise, returning Wed, Nov 19, priced at $785 found 2 days ago
American Airlines
Wed, Sep 24 - Sun, Oct 12
CPH
Copenhagen
BOI
Boise
$800 Roundtrip, found 2 days ago
$800
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Sep 24 from Copenhagen to Boise, returning Sun, Oct 12, priced at $800 found 2 days ago
American Airlines
Sun, Oct 19 - Mon, Nov 3
CPH
Copenhagen
BOI
Boise
$836 Roundtrip, found 2 days ago
$836
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sun, Oct 19 from Copenhagen to Boise, returning Mon, Nov 3, priced at $836 found 2 days ago
Delta
Wed, Sep 24 - Thu, Oct 16
CPH
Copenhagen
BOI
Boise
$839 Roundtrip, found 2 days ago
$839
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Sep 24 from Copenhagen to Boise, returning Thu, Oct 16, priced at $839 found 2 days ago
Virgin Atlantic
Fri, Sep 12 - Mon, Sep 29
CPH
Copenhagen
BOI
Boise
$841 Roundtrip, found 2 days ago
$841
Roundtrip
found 2 days ago
Select Virgin Atlantic flight, departing Fri, Sep 12 from Copenhagen to Boise, returning Mon, Sep 29, priced at $841 found 2 days ago
Scandinavian Airlines
Fri, Sep 26 - Fri, Oct 17
CPH
Copenhagen
BOI
Boise
$856 Roundtrip, found 2 days ago
$856
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Fri, Sep 26 from Copenhagen to Boise, returning Fri, Oct 17, priced at $856 found 2 days ago
KLM
Mon, Sep 15 - Sat, Sep 27
CPH
Copenhagen
BOI
Boise
$869 Roundtrip, found 2 days ago
$869
Roundtrip
found 2 days ago
Select KLM flight, departing Mon, Sep 15 from Copenhagen to Boise, returning Sat, Sep 27, priced at $869 found 2 days ago

Alternative airports near Boise

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Boise Airport BOI. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $1,032
BOI
Boise Airport
CheapestClosest
Average driving time to city center8 min
Flights from $1,032
Flights from Copenhagen (CPH) to Boise (BOI)
Origin airport
Kastrup
Destination airport
Boise
Roundtrip price
$745
Distance
4961 mi

Copenhagen to Boise Flights

The cheapest times to fly from Copenhagen to Boise

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Copenhagen to Boise are during the month of October. You can find some of the cheapest flights from Copenhagen to Boise with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Copenhagen to Boise

Sunday is one of the best days to book for cheap flights from Copenhagen to Boise: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Copenhagen to Boise

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Copenhagen to Boise in 2025. You can also book with separate airlines for your outbound and return journeys, from $745 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Copenhagen to Boise flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Copenhagen to Boise airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Kastrup Airport (CPH) to Boise Airport (BOI) cost?
Lock in a cheap one-way flight from $745 or cheap return flight from $746 from Kastrup Airport (CPH) to Boise Airport (BOI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Kastrup Airport (CPH) to Boise Airport (BOI)?
Planning your getaway for October can help you save, as it's the cheapest month for flights between CPH and BOI. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Kastrup Airport (CPH) to Boise Airport (BOI)?
To find the cheapest airline flying from CPH to BOI, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Kastrup Airport (CPH) to Boise Airport (BOI)?
You'll have to hop on a flight with a layover when traveling from Kastrup Airport (CPH) to Boise Airport (BOI). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from CPH to BOI?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Kastrup Airport (CPH) to Boise Airport (BOI)?
To touch down at Boise Airport (BOI) on time, pick a flight that takes off from Kastrup Airport (CPH) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Kastrup Airport (CPH) to Boise Airport (BOI) last-minute?
Waiting until just before your departure to book a flight from CPH to BOI often results in higher prices. Although you may find some last-minute offers, there's no guarantee. Keep your travel schedule open to maximize your chances of getting a bargain.
Is it cheaper to book a CPH to BOI flight and hotel package?
You'll typically save money by booking a CPH to BOI flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've selected your preferred flights and accommodations, you can add extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Kastrup Airport (CPH) to Boise Airport (BOI)?
You can usually reschedule or cancel your CPH to BOI flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.