$213 Cheap Flights from Boston (BOS) to Copenhagen (CPH)

View $213 flight on Mon, Nov 30, 2026Opens 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 $213 for one-way flights and $422 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Mon, Apr 13 - Tue, Apr 21
BOS
Boston
CPH
Copenhagen
$422 Roundtrip, just found
$422
Roundtrip
just found
Select Scandinavian Airlines flight, departing Mon, Apr 13 from Boston to Copenhagen, returning Tue, Apr 21, priced at $422 just found
TAP Portugal
Mon, Apr 27 - Thu, May 7
BOS
Boston
CPH
Copenhagen
$427 Roundtrip, found 13 hours ago
$427
Roundtrip
found 13 hours ago
Select TAP Portugal flight, departing Mon, Apr 27 from Boston to Copenhagen, returning Thu, May 7, priced at $427 found 13 hours ago
Icelandair
Sun, Mar 22 - Tue, Mar 31
BOS
Boston
CPH
Copenhagen
$448 Roundtrip, found 2 days ago
$448
Roundtrip
found 2 days ago
Select Icelandair flight, departing Sun, Mar 22 from Boston to Copenhagen, returning Tue, Mar 31, priced at $448 found 2 days ago
Air Canada
Tue, Aug 11 - Mon, Aug 24
BOS
Boston
CPH
Copenhagen
$455 Roundtrip, found 5 days ago
$455
Roundtrip
found 5 days ago
Select Air Canada flight, departing Tue, Aug 11 from Boston to Copenhagen, returning Mon, Aug 24, priced at $455 found 5 days ago
Lufthansa
Sun, May 10 - Tue, May 12
BOS
Boston
CPH
Copenhagen
$466 Roundtrip, found 5 days ago
$466
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Sun, May 10 from Boston to Copenhagen, returning Tue, May 12, priced at $466 found 5 days ago
American Airlines
Sun, Apr 12 - Wed, Apr 15
BOS
Boston
CPH
Copenhagen
$486 Roundtrip, found 4 days ago
$486
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sun, Apr 12 from Boston to Copenhagen, returning Wed, Apr 15, priced at $486 found 4 days ago
Swiss International Air Lines
Sun, Nov 1 - Sun, Nov 8
BOS
Boston
CPH
Copenhagen
$489 Roundtrip, found 5 days ago
$489
Roundtrip
found 5 days ago
Select Swiss International Air Lines flight, departing Sun, Nov 1 from Boston to Copenhagen, returning Sun, Nov 8, priced at $489 found 5 days ago
British Airways
Mon, Aug 24 - Tue, Jan 12
BOS
Boston
CPH
Copenhagen
$496 Roundtrip, found 3 days ago
$496
Roundtrip
found 3 days ago
Select British Airways flight, departing Mon, Aug 24 from Boston to Copenhagen, returning Tue, Jan 12, priced at $496 found 3 days ago
Austrian Airlines
Sun, Nov 1 - Sun, Nov 8
BOS
Boston
CPH
Copenhagen
$498 Roundtrip, found 5 days ago
$498
Roundtrip
found 5 days ago
Select Austrian Airlines flight, departing Sun, Nov 1 from Boston to Copenhagen, returning Sun, Nov 8, priced at $498 found 5 days ago
United
Fri, Aug 7 - Fri, Aug 14
BOS
Boston
CPH
Copenhagen
$501 Roundtrip, found 14 hours ago
$501
Roundtrip
found 14 hours ago
Select United flight, departing Fri, Aug 7 from Boston to Copenhagen, returning Fri, Aug 14, priced at $501 found 14 hours ago

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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 $1,476
CPH
Kastrup
CheapestClosest
Average driving time to city center10 min
Flights from $1,476

Frequently asked questions

How much does a flight from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup) cost?
You can find cheap one-way flights from $213 and cheap return flights from $422 Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup) with Expedia. One-way flights generally range between $348 and $7243, and roundtrip flights usually range from $497 to $6364. 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 the cheapest fares first, and use the Price Tracking tool to receive alerts when Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup)?
January is the cheapest month to fly from Boston, MA (BOS) to Copenhagen (CPH), with average return fares around $526. This is about 19% lower than the average price throughout the year, as travel demand typically drops after the holiday season. Other budget-friendly months include September and October.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup)?
Enter BOS to CPH and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup)?
Delta is one of the cheapest airlines offering nonstop flights from Logan Intl. (BOS) to Kastrup (CPH), with round-trip tickets starting from around $1,229. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
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 airline to fly with from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup)?
The best airline to fly with from Boston, MA (BOS) to Copenhagen (CPH) will differ from traveler to traveler. If you like to fly early, SAS offers early morning flights. If price is the most important factor, SAS typically offers the lowest fares. Delta offers the most daily flights from BOS to CPH, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup)?
The best time to fly from Boston to Copenhagen is typically in January or October. During these months, you can find return flights at around $526, making them the cheapest times to travel. January is ideal as it follows the holiday rush, while October offers pleasant fall weather, allowing you to enjoy your trip without the crowds.*Prices based on flights available on Expedia in the last year.
How many flights per day from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup)?
On average, there are around 1 nonstop flights per day from Logan Intl. (BOS) to Kastrup (CPH). For more options, look at flights that include layovers.
What is the earliest flight from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup)?
The earliest flight from Logan International Airport (BOS) to Kastrup Airport (CPH) typically departs at around 5:10 AM, operated by JetBlue Airways, Condor, and Lufthansa. This seasonal service is available in December, allowing you to begin your journey early and enjoy more time in Copenhagen. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup)?
For flights from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup), the most popular departure times are in the evening, from 6pm to 9pm. This time window captures around 35% of total traffic. Major airlines such as American Airlines, British Airways, and Lufthansa operate flights during this period. This timing works well because it allows you to enjoy a full day in Boston before your evening flight.
How long does it take to fly from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup)?
Direct flights from BOS to CPH usually take about 7 hours 30 minutes, traveling roughly 3,660 miles. If you opt for a connecting flight, expect to add around 4 hours 30 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup)?
You can fly business class between BOS and CPH. Airlines that offer business class service on this route include:

  • SAS
  • Lufthansa
  • British Airways
  • Austrian Airlines
  • Air France
  • TAP Portugal
  • Air Canada
  • Virgin Atlantic
  • United Airlines
  • Swiss International Air Lines

First class cabins are available on:

  • Swiss International Air Lines
  • Lufthansa
  • United Airlines

How much is a business class flight from Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup)?
A direct, return business class ticket from Boston (BOS) to Copenhagen (CPH) typically costs between $10,832 - $12,906. A non-stop, one-way business class flight is usually around $7,886 - $13,549. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
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 from Logan Intl. (BOS)?
From Logan Intl. (BOS), you can fly into Kastrup (CPH) to reach Copenhagen. Some flights may connect through major hubs like John F. Kennedy Intl. (JFK), Liberty Intl. (EWR), Washington Dulles Intl. (IAD) 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) Copenhagen Vacation Packages 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-Logan Intl.) to Copenhagen (CPH-Kastrup)?
If you booked your Boston, MA (BOS-Logan Intl.) to Copenhagen (CPH-Kastrup) 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, JetBlue Airways, KLM, Lufthansa, SATA International-Azores Airlines S.A., Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$421
Distance
3659 mi
Average flight time
6 hours 25 mins

Book with confidence

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 April. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $213 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.

 

Boston to Copenhagen Flights

*Flight schedules are subject to change.

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*Available to One Key members.