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$323+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CPH
Aug 31 — Sep 71
Mon 8/31
Mon 9/7
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”

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Cheapflights Tip: The best prices from Boston Logan Intl to Kastrup Copenhagen are usually found in February or October, booked 45 days in advance, depart on a Sunday or Tuesday and return on a Thursday

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 August 1, 2026.

This oojo deal was found by Cheapflights users on 7/27. 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.
Fri 10/97:25 pm
BOS
-
CPH
1 stop32h 45m
Scandinavian Airlines
Tue 10/135:05 pm
CPH
-
BOS
2 stops29h 16m
Scandinavian Airlines
Deal found 7/27$684
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/29. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:10 pm
BOS
-
CPH
1 stop19h 35m
TAP AIR PORTUGAL
Thu 11/196:00 am
CPH
-
BOS
1 stop19h 55m
TAP AIR PORTUGAL
Deal found 7/29$685
This Justfly.com deal was found by Cheapflights users on 7/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:05 pm
BOS
-
CPH
1 stop16h 35m
Multiple Airlines
Wed 8/1912:15 pm
CPH
-
BOS
1 stop27h 35m
Multiple Airlines
Deal found 7/30$686
This FlightHub deal was found by Cheapflights users on 7/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:50 pm
BOS
-
CPH
1 stop13h 05m
Icelandair
Fri 10/162:00 pm
CPH
-
BOS
1 stop10h 50m
Icelandair
Deal found 7/27$687
This Cheapflightsfares deal was found by Cheapflights users on 7/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/211:00 pm
BOS
-
CPH
1 stop16h 45m
Icelandair
Wed 9/92:00 pm
CPH
-
BOS
1 stop13h 45m
Icelandair
Deal found 7/27$688
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 10/48:50 pm
BOS
-
CPH
1 stop10h 05m
Multiple Airlines
Sun 10/188:55 pm
CPH
-
BOS
2 stops25h 15m
Multiple Airlines
Deal found 7/27$689
This Icelandair deal was found by Cheapflights users on 7/30. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:50 pm
BOS
-
CPH
1 stop18h 55m
Icelandair
Fri 9/117:20 am
CPH
-
BOS
1 stop17h 30m
Icelandair
Deal found 7/30$690
This FlightHub deal was found by Cheapflights users on 7/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:05 pm
BOS
-
CPH
1 stop16h 35m
Multiple Airlines
Thu 8/2012:45 pm
CPH
-
BOS
1 stop27h 08m
Multiple Airlines
Deal found 7/30$691
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/165:45 am
BOS
-
CPH
2 stops22h 50m
United Airlines
Tue 8/2512:45 pm
CPH
-
BOS
2 stops28h 32m
United Airlines
Deal found 7/30$692
This oojo deal was found by Cheapflights users on 7/30. 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.
Thu 9/248:50 pm
BOS
-
CPH
1 stop13h 05m
Icelandair
Sun 9/274:55 pm
CPH
-
BOS
1 stop31h 55m
Icelandair
Deal found 7/30$693
This Mytrip deal was found by Cheapflights users on 7/28. 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 9/148:50 pm
BOS
-
CPH
2 stops18h 00m
Multiple Airlines
Mon 9/286:00 am
CPH
-
BOS
2 stops20h 20m
Multiple Airlines
Deal found 7/28$694
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Fri 11/67:50 pm
BOS
-
CPH
2 stops16h 50m
Multiple Airlines
Mon 11/1612:40 pm
CPH
-
BOS
1 stop13h 15m
Multiple Airlines
Deal found 7/29$695

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 August 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$681
(oojo)

One-way from

$323
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$682

Good round-trip deal

$626 or less

Good one-way deal

$595 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. 18% potential increase in price ($150 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 August 1, 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

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Sun 11/1

6:00 pm-11:45 pm

1 stop23h 45m

Kastrup Copenhagen

Tue 11/17

6:00 am-2:40 pm

1 stop14h 40m

$685

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Sat 8/15

6:00 pm-10:35 am

2 stops34h 35m

Kastrup Copenhagen

Fri 8/21

12:15 pm-7:19 pm

2 stops37h 04m

$688

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Wed 12/2

3:03 pm-10:20 am

2 stops37h 17m

Kastrup Copenhagen

Wed 12/9

11:35 am-10:37 pm

1 stop17h 02m

$706

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Mon 8/31

9:50 pm-6:20 pm

1 stop14h 30m

Kastrup Copenhagen

Wed 9/9

7:15 pm-7:55 pm

1 stop30h 40m

$728

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Sat 12/12

5:45 am-10:20 am

1 stop22h 35m

Kastrup Copenhagen

Thu 1/7

10:05 am-8:19 pm

2 stops16h 14m

$772

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Tue 8/18

7:30 am-8:55 am

2 stops19h 25m

Kastrup Copenhagen

Mon 8/31

12:35 pm-9:27 pm

2 stops38h 52m

$778

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Sun 9/27

11:00 pm-4:50 pm

2 stops35h 50m

Kastrup Copenhagen

Sun 10/11

6:00 am-8:20 pm

2 stops44h 20m

$779

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Wed 8/19

7:10 am-11:45 am

1 stop22h 35m

Kastrup Copenhagen

Sun 8/30

10:10 am-1:39 pm

1 stop33h 29m

$789

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Tue 12/15

12:30 pm-10:20 am

2 stops15h 50m

Kastrup Copenhagen

Tue 1/5

1:10 pm-10:12 am

2 stops51h 02m

$801

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Fri 8/14

5:45 am-11:05 am

2 stops23h 20m

Kastrup Copenhagen

Fri 8/21

12:15 pm-2:41 pm

1 stop32h 26m

$812

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 24 resultsSorted by cheapest first
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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 August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*2 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
eDreamsPrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
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?

Booking 44 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, February is the cheapest month in which you can book a flight from Boston to Copenhagen (average of $487). Flying from Boston to Copenhagen in June is currently the most expensive (average of $892). 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 August 1, 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.

How much does it cost to fly round-trip from Boston to Copenhagen?

Airfare is typical for this route at the moment.

Boston to Copenhagen flights typically cost between $543 and $843 in October.
The cheapest round-trip price found within the last 5 days was $684 on Scandinavian Airlines (Oct 9-Oct 13).

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 August 1, 2026.
Read reviews from past customers who have flown Delta,Scandinavian Airlines, andUnited 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
7.8
Good
8,497 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.8

Boarding

8.1

Overall

7.8

Reviews

1 / 20
6.0
Good

Cidalia,Aug 2023

BOS - MIA

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours
Delta
7.8
Good
8,497 reviews
Delta
7.8
Good
8,497 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.8

Boarding

8.1

Overall

7.8

Reviews

1 / 20
6.0
Good

Cidalia,Aug 2023

BOS - MIA

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours
Scandinavian Airlines
7.4
Good
1,912 reviews
Delta
7.8
Good
8,497 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.8

Boarding

8.1

Overall

7.8

Reviews

1 / 20
6.0
Good

Cidalia,Aug 2023

BOS - MIA

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours
United Airlines
7.4
Good
10,062 reviews
Delta
7.8
Good
8,497 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.8

Boarding

8.1

Overall

7.8

Reviews

1 / 20
6.0
Good

Cidalia,Aug 2023

BOS - MIA

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours
Icelandair
7.0
Good
717 reviews
Delta
7.8
Good
8,497 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.8

Boarding

8.1

Overall

7.8

Reviews

1 / 20
6.0
Good

Cidalia,Aug 2023

BOS - MIA

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours
Lufthansa
6.8
Okay
8,176 reviews
Delta
7.8
Good
8,497 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Comfort

7.8

Boarding

8.1

Overall

7.8

Reviews

1 / 20
6.0
Good

Cidalia,Aug 2023

BOS - MIA

I like Delta overall but the delays lately without justification are not leaving a good impression. Both flights were delayed for over 2 hours

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 3 flights from Logan Intl (BOS) to Kastrup Copenhagen (CPH) per day to choose from. Flights to Copenhagen from Logan Intl are available from 11 different airlines, which means you should have some options if you want to compare airfare deals. 7h 10m 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 28 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 11h 50m. Fly via Scandinavian 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 TAP AIR PORTUGAL. Our recent data shows that you can find tickets from as low as $364 on this airline. Additional options worth looking into are SWISS and Icelandair, starting at $385 and $411 round-trip. These flights start at 43% 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 $221. Users have also found prices from $246 and $250 on SWISS and British Airways, 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 (88%), Scandinavian Airlines (88%) or Delta (88%) 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 $438. While the most popular route (Boston Logan Intl - Kastrup Copenhagen) can be booked for $531 on average, our data indicates $1,970 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, February is the cheapest month in which you can book a flight from Boston to Copenhagen (average of $487). Flying from Boston to Copenhagen in June is currently the most expensive (average of $892). 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

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 August 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$364Average$401FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$385Average$568FlexibilityNo cancel feeOn-time79%
IcelandairCheapest$411Average$542FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$414Average$740FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$416Average$830FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$425Average$545FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$435Average$620FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$448Average$664FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$454Average$1,125FlexibilityNo cancel feeOn-time77%
KLMCheapest$470Average$814FlexibilityNo cancel feeOn-time75%

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