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$237+ Cheap flights from Boston (BOS) to Copenhagen (CPH)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CPH
Apr 21 — Apr 281
Tue 4/21
Tue 4/28
1 adult, Economy
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Find cheap flights from Boston to Copenhagen with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from Boston Logan Intl to Kastrup Copenhagen are usually found in February or November, booked 56 days in advance, depart on a Monday or Sunday and return on a Wednesday

Cheap flight deals from Boston to Copenhagen

Cheapest flights from Boston to Copenhagen
Explore the most affordable flight options available from Boston to Copenhagen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 22, 2026.

This Ticket deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:40 pm
BOS
-
CPH
Nonstop7h 20m
Scandinavian Airlines
Mon 4/201:25 pm
CPH
-
BOS
Nonstop8h 10m
Scandinavian Airlines
Deal found 3/17$433
This oojo deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/68:50 pm
BOS
-
CPH
1 stop10h 05m
Icelandair
Tue 4/142:00 pm
CPH
-
BOS
1 stop10h 50m
Icelandair
Deal found 3/19$442
This oojo deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/58:50 pm
BOS
-
CPH
1 stop10h 05m
Icelandair
Sun 4/1210:35 pm
CPH
-
BOS
1 stop29h 10m
Icelandair
Deal found 3/18$443
This CrystalTravel deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/265:40 pm
BOS
-
CPH
Nonstop7h 20m
Scandinavian Airlines
Thu 5/71:25 pm
CPH
-
BOS
Nonstop8h 10m
Scandinavian Airlines
Deal found 3/18$446
This Kiwi.com deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:00 pm
BOS
-
CPH
1 stop16h 45m
Icelandair
Thu 4/302:00 pm
CPH
-
BOS
1 stop10h 50m
Icelandair
Deal found 3/22$448
This oojo deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2710:45 pm
BOS
-
CPH
1 stop12h 05m
TAP AIR PORTUGAL
Wed 5/612:45 pm
CPH
-
BOS
1 stop13h 35m
TAP AIR PORTUGAL
Deal found 3/20$449
This Kiwi.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/28:50 pm
BOS
-
CPH
1 stop18h 55m
Icelandair
Mon 4/610:35 pm
CPH
-
BOS
1 stop26h 15m
Icelandair
Deal found 3/19$450
This Kiwi.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/265:40 pm
BOS
-
CPH
Nonstop7h 20m
Scandinavian Airlines
Mon 5/41:25 pm
CPH
-
BOS
Nonstop8h 10m
Scandinavian Airlines
Deal found 3/19$454
This Kiwi.com deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/265:40 pm
BOS
-
CPH
Nonstop7h 20m
Scandinavian Airlines
Wed 5/61:25 pm
CPH
-
BOS
Nonstop8h 10m
Scandinavian Airlines
Deal found 3/22$455
This Mytrip deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1311:00 pm
BOS
-
CPH
1 stop10h 55m
Icelandair
Mon 4/204:55 pm
CPH
-
BOS
1 stop10h 50m
Icelandair
Deal found 3/18$457

Find flight deals from Boston to Copenhagen

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Copenhagen (CPH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$433
(Ticket)

One-way from

$237
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$641

Good round-trip deal

$536 or less

Good one-way deal

$382 or less
Provider with most accurate pricing for Boston Logan Intl-Kastrup Copenhagen flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Kastrup Copenhagen flights.
Search Deals
From Boston Logan Intl to Kastrup Copenhagen
Search Deals
One-way flight from Boston Logan Intl to Kastrup Copenhagen
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($88 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Boston Logan Intl to Kastrup Copenhagen.
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to Kastrup Copenhagen.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Copenhagen that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 22, 2026.
Use the filters below to find and compare flights from Boston to Copenhagen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Sun 4/26

5:40 pm-7:00 am

Nonstop7h 20m

Kastrup Copenhagen

Wed 4/29

1:25 pm-3:35 pm

Nonstop8h 10m

$518

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Thu 6/11

10:35 am-8:55 am

1 stop16h 20m

Kastrup Copenhagen

Fri 6/19

12:15 pm-9:27 pm

1 stop15h 12m

$596

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Sat 4/11

8:50 pm-12:55 pm

1 stop10h 05m

Kastrup Copenhagen

Fri 4/17

2:00 pm-11:59 pm

2 stops15h 59m

$666

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Sun 6/7

11:00 pm-4:50 pm

2 stops35h 50m

Kastrup Copenhagen

Tue 7/14

5:40 pm-8:20 pm

2 stops32h 40m

$678

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Fri 6/19

5:45 am-8:55 am

2 stops21h 10m

Kastrup Copenhagen

Sat 6/27

12:15 pm-9:27 pm

1 stop15h 12m

$695

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Mon 4/6

8:05 pm-9:25 am

2 stops31h 20m

Kastrup Copenhagen

Mon 4/13

12:35 pm-5:57 pm

2 stops35h 22m

$695

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Fri 6/5

8:05 pm-6:00 pm

2 stops15h 55m

Kastrup Copenhagen

Fri 6/12

12:45 pm-5:45 pm

2 stops35h 00m

$703

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Thu 5/21

7:35 pm-3:25 pm

1 stop13h 50m

Kastrup Copenhagen

Fri 5/29

7:25 am-5:00 pm

1 stop15h 35m

$746

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Wed 6/17

6:55 pm-11:50 am

1 stop10h 55m

Kastrup Copenhagen

Sun 6/21

8:10 am-1:05 pm

1 stop10h 55m

$767

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Sun 4/19

9:20 am-5:20 pm

2 stops26h 00m

Kastrup Copenhagen

Thu 4/23

6:50 am-7:06 pm

2 stops18h 16m

$878

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Boston to Copenhagen

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Copenhagen in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
JustAirTicketPrice Accuracy-Trust Score*1 star
MytripPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Copenhagen flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Copenhagen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Copenhagen flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Copenhagen flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Copenhagen flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boston to Copenhagen

Have a flexible travel schedule? Discover the best time to fly to Copenhagen from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boston to Copenhagen

How far ahead should I book a flight from Boston to Copenhagen?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Copenhagen. Price data was last updated on March 13, 2026.

Booking 56 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to Copenhagen. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Boston to Copenhagen?

Currently, May is the cheapest month in which you can book a flight from Boston to Copenhagen (average of $335). Flying from Boston to Copenhagen in June is currently the most expensive (average of $501). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOS to CPH?

Find hourly flight availability from Boston to Copenhagen. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 22, 2026.

When flying from Boston to Copenhagen, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

The best insider tips for Boston to Copenhagen flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Boston to Copenhagen trip
Our travel experts
Paul Rubio

Paul Rubio

Expert on BOS

Travel journalist and photographer Paul Rubio is a Miami native (and current resident), who has lived in nine countries and traveled to 137. He is an expert in luxury travel, eco-travel, loyalty programs, hotels, airports and airlines. He is a contributing editor at AFAR, Condé Nast Traveler, LUXURY Magazine, and Palm Beach Illustrated.

Read more
John Walton

John Walton

Expert on CPH

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more

Reviews of airlines servicing Copenhagen

Get insights into the airlines that provide service to Copenhagen. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Copenhagen. Reviews last updated March 22, 2026.
Read reviews from past customers who have flown Delta,KLM, andScandinavian Airlines from Boston to Copenhagen. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,315 reviews

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,315 reviews
Delta
7.9
Good
8,315 reviews

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
KLM
7.8
Good
1,477 reviews
Delta
7.9
Good
8,315 reviews

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Scandinavian Airlines
7.3
Good
1,720 reviews
Delta
7.9
Good
8,315 reviews

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Icelandair
7.0
Good
625 reviews
Delta
7.9
Good
8,315 reviews

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
PLAY
7.0
Good
Delta
7.9
Good
8,315 reviews

Overall

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Boston to Copenhagen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Boston to Copenhagen?

    If you wish to fly to Copenhagen from Boston, then you need to book flights from Boston Logan Intl to Kastrup Copenhagen. There are 2 flights from Logan Intl (BOS) to Kastrup Copenhagen (CPH) per day to choose from. Flights to Copenhagen from Logan Intl are available from 13 different airlines, which means you should have some options if you want to compare airfare deals. 7h 20m is how long a nonstop flight from Boston to Kastrup Copenhagen typically takes.

  • How popular is this Boston to Copenhagen flight route?

    Flights from Boston Logan Intl to Kastrup Copenhagen have been viewed 25 times in the past calendar month.

  • How long is the flight from Boston to Copenhagen?

    There are many flights that can get you from Boston to Copenhagen in 7h 20m. Fly via Scandinavian Airlines, United Airlines, or TAP AIR PORTUGAL to get the fastest option. There are 3658 mi between Boston and Copenhagen. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Boston to Copenhagen round-trip?

    Our cheapest airline available from Boston to Copenhagen is PLAY. Our recent data shows that you can find tickets from as low as $315 on this airline. Additional options worth looking into are SWISS and TAP AIR PORTUGAL, starting at $318 and $364 round-trip. These flights start at 47% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Boston to Copenhagen one-way?

    For one-way options, check prices for Icelandair. According to our data, you can fly for as low as $198. Users have also found prices from $221 and $239 on TAP AIR PORTUGAL and PLAY, respectively.

  • What are the most reliable airlines from Boston to Copenhagen?

    No one likes to see their flight delayed. When booking a flight from Boston to Copenhagen consider choosing Air France (80%), Scandinavian Airlines (80%) or Delta (80%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Boston to Copenhagen?

    Looking at all options, your cheapest flight can be booked for $369. While the most popular route (Boston Logan Intl - Kastrup Copenhagen) can be booked for $403 on average, our data indicates $1,085 when flying from Boston to Copenhagen.

  • Can I find deals for flights from Boston to Copenhagen that include hotel bookings?

    Yes. In addition to deals on Boston to Copenhagen flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Copenhagen?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Copenhagen.

  • Can I find deals for business class flights from Boston to Copenhagen?

    Yes. Cheapflights offers flight deals from Boston to Copenhagen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to Copenhagen?

    Currently, May is the cheapest month in which you can book a flight from Boston to Copenhagen (average of $335). Flying from Boston to Copenhagen in June is currently the most expensive (average of $501). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Copenhagen?

Book flights to Copenhagen if you plan to visit one of these locations
Kastrup

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Boston to Copenhagen

See prices for flight routes from nearby airports that may be better suited for you.
Hartford to Copenhagen flights

Top 10 airlines flying from Boston to Copenhagen

Discover the top 10 airlines that operate flights from Boston to Copenhagen. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$315Average$443FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$318Average$555FlexibilityNo cancel feeOn-time79%
TAP AIR PORTUGALCheapest$364Average$401FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$410Average$520FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$412Average$674FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$416Average$685FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$425Average$499FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$430Average$644FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$433Average$577FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$435Average$620FlexibilityNo cancel feeOn-time76%

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