A harbor with colorful buildings and several sailboats docked.

£188 Cheap Flights from Boston (BOS) to Copenhagen (CPH)

View £188 flight on Sun, 4 Oct 2026Opens in a new window

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

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 25% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at £188 for one-way flights and £441 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Tue, 26 Jan - Tue, 9 Feb
BOS
Boston
CPH
Copenhagen
£441 Return, found 2 days ago
£441
Return
found 2 days ago
Select Icelandair flight, departing Tue, 26 Jan from Boston to Copenhagen, returning Tue, 9 Feb, priced at £441 found 2 days ago
TAP Portugal
Tue, 26 Jan - Tue, 9 Feb
BOS
Boston
CPH
Copenhagen
£474 Return, found 2 days ago
£474
Return
found 2 days ago
Select TAP Portugal flight, departing Tue, 26 Jan from Boston to Copenhagen, returning Tue, 9 Feb, priced at £474 found 2 days ago
Air Canada
Wed, 19 Aug - Mon, 24 Aug
BOS
Boston
CPH
Copenhagen
£521 Return, found 2 hours ago
£521
Return
found 2 hours ago
Select Air Canada flight, departing Wed, 19 Aug from Boston to Copenhagen, returning Mon, 24 Aug, priced at £521 found 2 hours ago
United
Tue, 27 Apr - Tue, 11 May
BOS
Boston
CPH
Copenhagen
£539 Return, found 2 days ago
£539
Return
found 2 days ago
Select United flight, departing Tue, 27 Apr from Boston to Copenhagen, returning Tue, 11 May, priced at £539 found 2 days ago
Swiss International Air Lines
Sun, 11 Apr - Wed, 21 Apr
BOS
Boston
CPH
Copenhagen
£545 Return, found 12 hours ago
£545
Return
found 12 hours ago
Select Swiss International Air Lines flight, departing Sun, 11 Apr from Boston to Copenhagen, returning Wed, 21 Apr, priced at £545 found 12 hours ago
Lufthansa
Wed, 19 Aug - Mon, 24 Aug
BOS
Boston
CPH
Copenhagen
£551 Return, found 2 hours ago
£551
Return
found 2 hours ago
Select Lufthansa flight, departing Wed, 19 Aug from Boston to Copenhagen, returning Mon, 24 Aug, priced at £551 found 2 hours ago
Austrian Airlines
Sun, 11 Apr - Wed, 21 Apr
BOS
Boston
CPH
Copenhagen
£552 Return, found 12 hours ago
£552
Return
found 12 hours ago
Select Austrian Airlines flight, departing Sun, 11 Apr from Boston to Copenhagen, returning Wed, 21 Apr, priced at £552 found 12 hours ago
Air France
Tue, 30 Mar - Tue, 13 Apr
BOS
Boston
CPH
Copenhagen
£559 Return, found 4 days ago
£559
Return
found 4 days ago
Select Air France flight, departing Tue, 30 Mar from Boston to Copenhagen, returning Tue, 13 Apr, priced at £559 found 4 days ago
KLM
Wed, 19 Aug - Wed, 26 Aug
BOS
Boston
CPH
Copenhagen
£561 Return, found 5 days ago
£561
Return
found 5 days ago
Select KLM flight, departing Wed, 19 Aug from Boston to Copenhagen, returning Wed, 26 Aug, priced at £561 found 5 days ago
Brussels Airlines
Wed, 19 Aug - Mon, 24 Aug
BOS
Boston
CPH
Copenhagen
£575 Return, found 2 hours ago
£575
Return
found 2 hours ago
Select Brussels Airlines flight, departing Wed, 19 Aug from Boston to Copenhagen, returning Mon, 24 Aug, priced at £575 found 2 hours ago

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 centre is 10 minutes. Flights from £546
CPH
Kastrup
CheapestClosest
Average driving time to city centre10 min
Flights from £546

Frequently asked questions

How much does a flight from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup) cost?
You can find one-way and return flights from BOS to CPH with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when BOS to CPH ticket fares go up or down.
What is the cheapest month to fly from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup)?
January is typically the cheapest month to fly from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup), with average return fares around £393. January sees lower prices because it falls after the busy holiday travel season, when demand drops and airlines often offer more competitive fares. Other cheap months to fly from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup) include September and October.
Which airlines fly direct from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup)?
Only one airline offers direct flights from Boston (BOS) to Copenhagen (CPH). SAS operates 7 direct flights from Boston (BOS) to Copenhagen (CPH) every week.
How do I find cheap flights from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup)?
To find a cheap flight from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Boston, MA (BOS) to Copenhagen (CPH)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup)?
The earliest flight from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup) typically departs around 5:10 AM local time. This flight is operated by Air Canada and is a seasonal service, active in May and June. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup)?
A non-stop flight from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup) typically takes around 7 hours 18 minutes. This route covers a distance of approximately 5,890 kilometers. If you opt for a flight with one stop, your journey will generally take longer, averaging around 12 hours 18 minutes. Flights with two or more stops usually take about 16 hours 30 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.
Can you fly business or first class from Boston, MA (BOS) to Copenhagen (CPH)?
Select the "Business class" and "First class" filters when looking for Boston, MA (BOS) to Copenhagen (CPH) flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup) flight with Expedia?
It's easy to earn miles on a Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Copenhagen (CPH) from Boston, MA (BOS)?
If you're planning to travel to Copenhagen from Logan International Airport (BOS), you can fly directly into Kastrup (CPH). Some flights may connect through major hubs like John F. Kennedy International (JFK), Liberty International (EWR), or Dr. Francisco de Sa Carneiro (OPO) before reaching Copenhagen. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup) at the last minute?
Typically, booking a last minute flight from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup) flight and hotel package?
Securing a Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Boston, MA (BOS) to Copenhagen (CPH)?
If you booked your Boston, MA (BOS) to Copenhagen (CPH) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

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, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Return price
£441
Distance
5855 km
Average flight time
7 hours 20 mins

Book with confidence

Compare flights from Boston to Copenhagen easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Boston to Copenhagen. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Kastrup in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Logan Intl. to Kastrup.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Logan Intl. (BOS) to Kastrup (CPH)

The easiest way to view the best deals on flights from Boston to Copenhagen today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Logan Intl. to Kastrup start at just £441 and range up to £575.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Boston and Copenhagen
  • booking your flight during January, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Boston to Copenhagen flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Logan Intl. to Kastrup for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Boston to Copenhagen easily and book with confidence

Explore a world of travel with Expedia

*Available to Expedia members.