$221 Cheap Flights from Boston (BOS) to Copenhagen (CPH)

View $221 flight on Wed, Nov 19, 2025Opens in a new window

Popular airlines from Logan International Airport (BOS) to Copenhagen Airport, Kastrup (CPH)

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Cheap Flights from Boston to Copenhagen (BOS-CPH)

Prices were available within the past 7 days and start at $221 for one-way flights and $393 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Mon, Aug 25 - Wed, Nov 5
BOS
Boston
CPH
Copenhagen
$393 Roundtrip, found 3 days ago
$393
Roundtrip
found 3 days ago
Select British Airways flight, departing Mon, Aug 25 from Boston to Copenhagen, returning Wed, Nov 5, priced at $393 found 3 days ago
Iberia
Sun, Nov 9 - Tue, Nov 25
BOS
Boston
CPH
Copenhagen
$400 Roundtrip, found 1 day ago
$400
Roundtrip
found 1 day ago
Select Iberia flight, departing Sun, Nov 9 from Boston to Copenhagen, returning Tue, Nov 25, priced at $400 found 1 day ago
Fly Play
Sat, Sep 6 - Wed, Sep 10
BOS
Boston
CPH
Copenhagen
$401 Roundtrip, found 5 days ago
$401
Roundtrip
found 5 days ago
Select Fly Play flight, departing Sat, Sep 6 from Boston to Copenhagen, returning Wed, Sep 10, priced at $401 found 5 days ago
American Airlines
Sun, Aug 31 - Thu, Nov 20
BOS
Boston
CPH
Copenhagen
$409 Roundtrip, found 5 days ago
$409
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sun, Aug 31 from Boston to Copenhagen, returning Thu, Nov 20, priced at $409 found 5 days ago
Scandinavian Airlines
Fri, Nov 14 - Sun, Nov 16
BOS
Boston
CPH
Copenhagen
$410 Roundtrip, just found
$410
Roundtrip
just found
Select Scandinavian Airlines flight, departing Fri, Nov 14 from Boston to Copenhagen, returning Sun, Nov 16, priced at $410 just found
Virgin Atlantic
Sun, Sep 14 - Fri, Sep 19
BOS
Boston
CPH
Copenhagen
$411 Roundtrip, found 8 hours ago
$411
Roundtrip
found 8 hours ago
Select Virgin Atlantic flight, departing Sun, Sep 14 from Boston to Copenhagen, returning Fri, Sep 19, priced at $411 found 8 hours ago
Air Canada
Tue, Apr 28 - Tue, May 5
BOS
Boston
CPH
Copenhagen
$416 Roundtrip, found 6 days ago
$416
Roundtrip
found 6 days ago
Select Air Canada flight, departing Tue, Apr 28 from Boston to Copenhagen, returning Tue, May 5, priced at $416 found 6 days ago
Delta
Tue, Nov 18 - Tue, Nov 25
BOS
Boston
CPH
Copenhagen
$421 Roundtrip, found 9 hours ago
$421
Roundtrip
found 9 hours ago
Select Delta flight, departing Tue, Nov 18 from Boston to Copenhagen, returning Tue, Nov 25, priced at $421 found 9 hours ago
United
Sun, Sep 7 - Tue, Nov 11
BOS
Boston
CPH
Copenhagen
$421 Roundtrip, found 4 days ago
$421
Roundtrip
found 4 days ago
Select United flight, departing Sun, Sep 7 from Boston to Copenhagen, returning Tue, Nov 11, priced at $421 found 4 days ago
British Airways
Sun, Nov 9 - Tue, Nov 25
BOS
Boston
CPH
Copenhagen
$425 Roundtrip, found 1 day ago
$425
Roundtrip
found 1 day ago
Select British Airways flight, departing Sun, Nov 9 from Boston to Copenhagen, returning Tue, Nov 25, priced at $425 found 1 day ago

Find the cheapest month to fly from Boston (BOS) to Copenhagen (CPH)

February is typically the cheapest month to fly

From $269 - $652 per traveler.

Graph displaying average flight prices per month

Alternative airports near Copenhagen

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

Select flight to Kastrup CPH. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $458
CPH
Kastrup
CheapestClosest
Average driving time to city center10 min
Flights from $458
Flights from Boston (BOS) to Copenhagen (CPH)
Origin airport
Logan Intl.
Destination airport
Kastrup
Airlines serving
Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$393
Distance
3659 mi
Average flight time
7 hours 25 mins

Boston to Copenhagen Flights

The cheapest times to fly from Boston to Copenhagen

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 Boston to Copenhagen are during the month of August. You can find some of the cheapest flights from Boston to Copenhagen with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to Copenhagen

Sunday is one of the best days to book for cheap flights from Boston to Copenhagen: 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 Boston to Copenhagen

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 Boston to Copenhagen in 2025. You can also book with separate airlines for your outbound and return journeys, from $221 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 Boston to Copenhagen 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 Boston to Copenhagen 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 Logan Intl. Airport (BOS) to Kastrup Airport (CPH) cost?
Snag a cheap one-way flight from $221 or cheap return flight from $393 from Logan Intl. Airport (BOS) to Kastrup Airport (CPH) 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 Logan Intl. Airport (BOS) to Kastrup Airport (CPH)?
Traveling in August can help you save, as it's the cheapest month for flights between BOS and CPH. You'll often find the lowest prices during off-peak months.
Which airlines fly direct from Logan Intl. Airport (BOS) to Kastrup Airport (CPH)?
When jetting out of Logan Intl. Airport (BOS), you can hop on a direct flight to Kastrup Airport (CPH) with SAS.
What is the cheapest airline that flies from Logan Intl. Airport (BOS) to Kastrup Airport (CPH)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from BOS to CPH. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Logan Intl. Airport (BOS) to Kastrup Airport (CPH)?
On average, you'll only find 1 direct flight operating from Logan Intl. Airport (BOS) to Kastrup Airport (CPH) every day. If this isn't convenient for you, consider flights with layovers. Just customize your search on Expedia to include one stop or more to find the next best option.
What are the most popular departure times for flights from Logan Intl. Airport (BOS) to Kastrup Airport (CPH)?
More people fly between BOS and CPH at 5 PM than at any other time of day. Looking for a quieter experience? Travel outside of rush hours and you're likely to save on your ticket as well.
What day of the week has the most flights from BOS to CPH?
Travel on a Friday if you're after the largest selection of flights from Logan Intl. Airport (BOS) to Kastrup Airport (CPH).
What is the earliest flight from Logan Intl. Airport (BOS) to Kastrup Airport (CPH)?
Logan Intl. Airport (BOS)'s earliest flight to Kastrup Airport (CPH) is at approximately 5:45PM UTC-5. With a flight time of 7h 25m, you'll land at around 7:10AM UTC+1.
How long does it take to fly from Logan Intl. Airport (BOS) to Kastrup Airport (CPH)?
The average flight duration from BOS to CPH is 7 hours and 25 minutes, covering a distance of 3,700 mi.
What airline has the least delays from BOS to CPH?
Consider booking with SAS if you'd like to fly straight from Logan Intl. Airport (BOS) to Kastrup Airport (CPH) without any holdups. This carrier has the best track record for punctuality, with an on-time score of 89%. Want to be updated if anything changes? You can check your flight status using the Expedia App.
What is the best time to fly from Logan Intl. Airport (BOS) to Kastrup Airport (CPH)?
To avoid potential delays on the Logan Intl. Airport (BOS) to Kastrup Airport (CPH) route, aim to travel before 3 PM. Departures after this hour have a 22% higher chance of being canceled.**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.
What airports do you fly into for Copenhagen from Logan Intl. Airport (BOS)?
Kastrup Airport (CPH) is the only airport in Copenhagen with direct flights from Logan Intl. Airport (BOS). Browse your options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Logan Intl. Airport (BOS) to Kastrup Airport (CPH) last-minute?
Last-minute fares from BOS to CPH are generally more expensive. To lock in the lowest rates, start searching for flights early. That said, if you're flexible with your travel dates, it's possible to find a cheap fare right before your journey.
Is it cheaper to book a BOS to CPH flight and hotel package?
Compared with arranging hotels and flights separately, booking a BOS to CPH flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one place takes the hassle out of travel planning. Simply pick your flights and select from our extensive range of stays, then personalize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Kastrup Airport (CPH)?
In most cases, you can cancel or modify your BOS to CPH flight. However, there may be additional fees, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like more information, visit our Customer Service portal.

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*Available to One Key members.