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Denmark

$316+ Cheap flights from Boston (BOS) to Denmark

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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CPH
Aug 15 — Aug 221
Sat 8/15
Sat 8/22
1 adult, Economy
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Cheap flight deals from Boston to Denmark

Cheapest flights from Boston to Denmark
Explore the most affordable flight options available from Boston to Denmark. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 16, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 7/14. 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.
Mon 9/1410:45 pm
BOS
-
CPH
1 stop21h 20m
TAP AIR PORTUGAL
Mon 9/286:00 am
CPH
-
BOS
2 stops20h 20m
TAP AIR PORTUGAL
Deal found 7/14$666
This Mytrip deal was found by Cheapflights users on 7/14. 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.
Fri 8/288:50 pm
BOS
-
CPH
1 stop18h 55m
Multiple Airlines
Fri 9/48:35 am
CPH
-
BOS
2 stops17h 45m
Multiple Airlines
Deal found 7/14$667
This United Airlines deal was found by Cheapflights users on 7/13. 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.
Sat 8/88:27 pm
BOS
-
CPH
2 stops32h 08m
United Airlines
Wed 8/2612:15 pm
CPH
-
BOS
2 stops27h 33m
United Airlines
Deal found 7/13$668
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 8/168:50 pm
BOS
-
CPH
1 stop10h 05m
Icelandair
Fri 8/284:55 pm
CPH
-
BOS
1 stop10h 50m
Icelandair
Deal found 7/12$669
This FlightHub deal was found by Cheapflights users on 7/11. 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.
Thu 9/248:50 pm
BOS
-
CPH
1 stop13h 05m
Icelandair
Tue 10/62:00 pm
CPH
-
BOS
1 stop10h 50m
Icelandair
Deal found 7/11$670
This United Airlines deal was found by Cheapflights users on 7/13. 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.
Mon 8/176:50 pm
BOS
-
CPH
1 stop32h 05m
United Airlines
Wed 8/2612:15 pm
CPH
-
BOS
1 stop27h 30m
United Airlines
Deal found 7/13$671
This United deal was found by Cheapflights users on 7/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:50 pm
BOS
-
CPH
1 stop32h 05m
Multiple Airlines
Fri 8/2112:15 pm
CPH
-
BOS
1 stop11h 52m
Multiple Airlines
Deal found 7/13$672
This FlightHub deal was found by Cheapflights users on 7/13. 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 8/1410:45 pm
BOS
-
CPH
1 stop31h 10m
TAP AIR PORTUGAL
Fri 12/1112:40 pm
CPH
-
BOS
1 stop13h 15m
TAP AIR PORTUGAL
Deal found 7/13$674
This United Airlines deal was found by Cheapflights users on 7/12. 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
1 stop21h 10m
United Airlines
Tue 8/2512:45 pm
CPH
-
BOS
1 stop15h 53m
United Airlines
Deal found 7/12$676
This Gotogate deal was found by Cheapflights users on 7/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/194:55 pm
BOS
-
CPH
1 stop11h 55m
Multiple Airlines
Sat 8/226:50 am
CPH
-
BOS
2 stops13h 51m
Multiple Airlines
Deal found 7/12$677
This KAYAK deal was found by Cheapflights users on 7/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/168:50 pm
BOS
-
BLL
1 stop18h 45m
Icelandair
Wed 8/2610:35 pm
BLL
-
BOS
1 stop26h 15m
Icelandair
Deal found 7/15$694
This KAYAK deal was found by Cheapflights users on 7/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1611:00 pm
BOS
-
BLL
1 stop16h 35m
Icelandair
Fri 8/2810:35 pm
BLL
-
BOS
1 stop26h 15m
Icelandair
Deal found 7/15$707

Find flight deals from Boston to Denmark

Keep the following information in mind while searching for Boston to Denmark flight deals. Data was last updated July 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$666
(Cheapflightsfares)

One-way from

$316
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$795

Good round-trip deal

$669 or less

Good one-way deal

$602 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 Denmark
Search Deals
One-way flight from Boston Logan Intl to Denmark
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($158 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 July 2026
Search Deals
Price to beat on a round-trip flight from Boston Logan Intl to Denmark.
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to Denmark.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Denmark 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 July 16, 2026.
Use the filters below to find and compare flights from Boston to Denmark that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Thu 8/13

12:41 pm-8:55 am

2 stops14h 14m

Kastrup Copenhagen

Tue 8/25

12:45 pm-6:22 pm

1 stop11h 37m

$681

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Mon 8/17

9:30 am-2:10 pm

2 stops22h 40m

Kastrup Copenhagen

Wed 8/26

12:15 pm-2:41 pm

1 stop32h 26m

$690

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Wed 9/16

12:30 pm-10:50 am

1 stop16h 20m

Kastrup Copenhagen

Fri 9/25

12:45 pm-11:24 am

2 stops28h 39m

$728

BostonBillund

BOS - BLL

BOSBLL

Boston Logan Intl

Tue 8/11

2:28 pm-10:10 am

2 stops13h 42m

Billund

Tue 8/25

6:05 am-3:40 pm

1 stop15h 35m

$733

BostonBillund

BOS - BLL

BOSBLL

Boston Logan Intl

Sun 12/6

6:00 am-6:20 pm

2 stops30h 20m

Billund

Thu 12/10

6:35 am-1:45 pm

1 stop13h 10m

$733

BostonBillund

BOS - BLL

BOSBLL

Boston Logan Intl

Thu 8/13

5:45 am-10:00 am

2 stops22h 15m

Billund

Wed 8/19

6:00 am-6:22 pm

2 stops18h 22m

$740

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Sun 8/9

6:00 am-10:35 am

1 stop22h 35m

Kastrup Copenhagen

Mon 8/17

12:15 pm-5:52 pm

2 stops35h 37m

$743

BostonAalborg

BOS - AAL

BOSAAL

Boston Logan Intl

Mon 11/2

8:55 pm-9:50 am

1 stop30h 55m

Aalborg

Fri 11/20

6:00 am-1:25 pm

1 stop13h 25m

$755

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Mon 7/27

7:00 pm-10:40 am

1 stop9h 40m

Kastrup Copenhagen

Thu 8/20

9:00 am-4:13 pm

1 stop13h 13m

$756

BostonBillund

BOS - BLL

BOSBLL

Boston Logan Intl

Sat 8/15

10:00 pm-11:35 pm

1 stop19h 35m

Billund

Thu 8/27

6:00 am-3:40 pm

1 stop15h 40m

$758

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/13

Showing 1-10 of 41 resultsSorted by cheapest first
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5

Best time to book a flight from Boston to Denmark

Have a flexible travel schedule? Discover the best time to fly to Denmark 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 Denmark

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

Currently, September is the cheapest month in which you can book a flight from Boston to Denmark (average of $317). Flying from Boston to Denmark in August is currently the most expensive (average of $1,612). 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 DK?

Find hourly flight availability from Boston to Denmark. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 16, 2026.

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

Weekly flight availability from Boston to Denmark

Explore weekly flight availability from Boston to Denmark. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 16, 2026.

The most flights from BOS to DK0 are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

How often are flights from Boston to Denmark delayed?

About 8% of weekly flights between Boston and Denmark have experienced delays in the past year, with the average delay time being 111 minutes.

What is the most punctual flight time for Boston to Denmark flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Boston to Denmark flights?

Over the last year, Scandinavian Airlines have had the lowest number of delays on this route, with just 8% of flights being delayed.

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

The price you pay for your flight from Boston to Denmark may vary depending on when you book. For the best chance of a lower fare, look to book 89 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Denmark

Get insights into the airlines that provide service to Denmark. 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 Denmark. Reviews last updated July 16, 2026.
Get a feel of what it's like to fly with Delta,Scandinavian Airlines, andUnited Airlines from Boston to Denmark by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,472 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.8

Food

7.2

Crew

8.5

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
8,472 reviews
Delta
7.8
Good
8,472 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.8

Food

7.2

Crew

8.5

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
1,885 reviews
Delta
7.8
Good
8,472 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.8

Food

7.2

Crew

8.5

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
9,994 reviews
Delta
7.8
Good
8,472 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.8

Food

7.2

Crew

8.5

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
709 reviews
Delta
7.8
Good
8,472 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.8

Food

7.2

Crew

8.5

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
8,139 reviews
Delta
7.8
Good
8,472 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.8

Food

7.2

Crew

8.5

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 Denmark. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Boston to Denmark?

    Boston Logan Intl (BOS), located 2.6 mi from the city center, is the airport you fly out of when you book flights from Boston to Denmark.

  • How popular is this Boston to Denmark flight route?

    The Boston Logan Intl to Denmark flight path was viewed by 28 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Boston to Denmark?

    For as low as $774, United Airlines can have you in Denmark from Boston in 10h 35m. The distance between Boston and Denmark is about 3520 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $192. SWISS flights start at $241 while deals on British Airways start at $250 one-way.

  • What are the most popular routes from Boston to Denmark?

    The most popular route from Boston to Denmark is Boston Logan Intl - Kastrup Copenhagen. You may also consider Boston Logan Intl - Billund or Boston Logan Intl - Aalborg.

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

    Before booking your flight to Denmark from Boston, check out the most reliable airlines to get you to your destination on time: Air France (92%), Scandinavian Airlines (92%), Delta( 92%).

  • What are the cheapest flights from Boston to Denmark?

    While on average a flight from Boston to Denmark is generally $1,936, our data shows the cheapest flight currently is $479. When looking at the most popular route, (Boston Logan Intl - Kastrup Copenhagen), you can expect to pay $457 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boston to Denmark 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 Denmark?

    Currently, September is the cheapest month in which you can book a flight from Boston to Denmark (average of $317). Flying from Boston to Denmark in August is currently the most expensive (average of $1,612). 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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Top 10 airlines flying from Boston to Denmark

Discover the top 10 airlines that operate flights from Boston to Denmark. 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 July 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$317Average$760FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$364Average$401FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$385Average$568FlexibilityNo cancel feeOn-time79%
IcelandairCheapest$411Average$531FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$412Average$748FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$416Average$956FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$425Average$518FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$430Average$733FlexibilityNo cancel feeOn-time70%
DeltaCheapest$447Average$898FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$448Average$660FlexibilityNo cancel feeOn-time69%

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