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Denmark

$300+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CPH
Jul 26 — Aug 21
Sun 7/26
Sun 8/2
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 June 26, 2026.

This Mytrip deal was found by Cheapflights users on 6/25. 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 10/195:50 pm
BOS
-
BLL
3 stops35h 15m
Multiple Airlines
Thu 10/224:35 pm
BLL
-
BOS
2 stops29h 00m
Multiple Airlines
Deal found 6/25$651
This Gotogate deal was found by Cheapflights users on 6/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2310:40 pm
BOS
-
CPH
1 stop12h 10m
TAP AIR PORTUGAL
Mon 8/316:00 am
CPH
-
BOS
2 stops20h 20m
TAP AIR PORTUGAL
Deal found 6/22$665
This Gotogate deal was found by Cheapflights users on 6/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:00 pm
BOS
-
CPH
1 stop23h 50m
TAP AIR PORTUGAL
Mon 11/912:40 pm
CPH
-
BOS
2 stops38h 05m
TAP AIR PORTUGAL
Deal found 6/22$666
This FlightHub deal was found by Cheapflights users on 6/21. 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 8/148:05 pm
BOS
-
CPH
1 stop16h 35m
Multiple Airlines
Wed 8/1912:15 pm
CPH
-
BOS
1 stop27h 35m
Multiple Airlines
Deal found 6/21$667
This Mytrip deal was found by Cheapflights users on 6/25. 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.
Sun 9/65:40 pm
BOS
-
BLL
2 stops19h 20m
Multiple Airlines
Sun 9/132:10 pm
BLL
-
BOS
2 stops31h 25m
Multiple Airlines
Deal found 6/25$667
This Kiwi.com deal was found by Cheapflights users on 6/25. 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
Wed 8/264:55 pm
CPH
-
BOS
1 stop10h 50m
Icelandair
Deal found 6/25$668
This Icelandair deal was found by Cheapflights users on 6/25. 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.
Sat 8/228:50 pm
BOS
-
CPH
1 stop10h 05m
Icelandair
Wed 8/262:00 pm
CPH
-
BOS
1 stop10h 50m
Icelandair
Deal found 6/25$669
This TAP AIR PORTUGAL deal was found by Cheapflights users on 6/22. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:45 pm
BOS
-
CPH
1 stop18h 15m
TAP AIR PORTUGAL
Tue 9/15:40 pm
CPH
-
BOS
2 stops32h 40m
TAP AIR PORTUGAL
Deal found 6/22$670
This United Airlines deal was found by Cheapflights users on 6/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:50 pm
BOS
-
CPH
1 stop32h 05m
United Airlines
Wed 8/1912:15 pm
CPH
-
BOS
1 stop15h 12m
United Airlines
Deal found 6/22$671
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Fri 8/213:35 pm
BOS
-
CPH
1 stop11h 20m
United Airlines
Wed 8/2612:15 pm
CPH
-
BOS
1 stop11h 52m
United Airlines
Deal found 6/23$672
This Icelandair deal was found by Cheapflights users on 6/24. 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.
Fri 8/2111:00 pm
BOS
-
CPH
1 stop25h 20m
Icelandair
Sun 8/3010:35 pm
CPH
-
BOS
1 stop26h 15m
Icelandair
Deal found 6/24$673
This Gotogate deal was found by Cheapflights users on 6/21. 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.
Mon 8/246:05 pm
BOS
-
CPH
1 stop16h 45m
TAP AIR PORTUGAL
Sun 9/66:00 am
CPH
-
BOS
2 stops20h 20m
TAP AIR PORTUGAL
Deal found 6/21$674

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 June 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$651
(Mytrip)

One-way from

$300
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$907

Good round-trip deal

$679 or less

Good one-way deal

$488 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. 20% potential increase in price ($164 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 26, 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

BostonBillund

BOS - BLL

BOSBLL

Boston Logan Intl

Sun 9/6

5:40 pm-7:00 pm

2 stops19h 20m

Billund

Sun 9/13

2:10 pm-3:35 pm

2 stops31h 25m

$667

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Mon 8/10

6:50 pm-8:55 am

1 stop32h 05m

Kastrup Copenhagen

Wed 8/19

12:15 pm-9:27 pm

1 stop15h 12m

$671

BostonBillund

BOS - BLL

BOSBLL

Boston Logan Intl

Mon 10/19

5:50 pm-6:40 pm

2 stops18h 50m

Billund

Thu 10/22

9:05 pm-3:35 pm

1 stop24h 30m

$697

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Fri 8/14

5:45 am-11:05 am

2 stops23h 20m

Kastrup Copenhagen

Fri 12/11

11:35 am-5:25 pm

2 stops35h 50m

$705
Quickest round-trip

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Fri 10/9

5:40 pm-7:00 am

Nonstop7h 20m

Kastrup Copenhagen

Fri 10/23

1:40 pm-3:35 pm

Nonstop7h 55m

$710

BostonBillund

BOS - BLL

BOSBLL

Boston Logan Intl

Mon 10/19

5:50 pm-11:05 am

3 stops35h 15m

Billund

Thu 10/22

10:15 am-3:35 pm

3 stops35h 20m

$715

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Sat 8/29

6:54 pm-8:55 am

2 stops32h 01m

Kastrup Copenhagen

Wed 9/2

12:15 pm-5:52 pm

2 stops35h 37m

$723

BostonBillund

BOS - BLL

BOSBLL

Boston Logan Intl

Mon 8/10

7:10 pm-11:20 am

1 stop10h 10m

Billund

Mon 8/17

6:40 am-1:39 pm

1 stop12h 59m

$730

BostonBillund

BOS - BLL

BOSBLL

Boston Logan Intl

Fri 9/11

5:45 pm-2:25 pm

1 stop14h 40m

Billund

Sun 12/6

6:35 am-1:45 pm

1 stop13h 10m

$730

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Sun 10/11

6:00 am-2:10 pm

2 stops26h 10m

Kastrup Copenhagen

Sat 10/31

1:10 pm-7:23 pm

2 stops35h 13m

$734

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/25

Showing 1-10 of 45 resultsSorted by cheapest first
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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 $1,481). 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 June 26, 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 June 26, 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 110 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 June 26, 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
8,452 reviews

Overall

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Comfort

7.8

Entertainment

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
8,452 reviews
Delta
7.8
Good
8,452 reviews

Overall

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Comfort

7.8

Entertainment

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
1,854 reviews
Delta
7.8
Good
8,452 reviews

Overall

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Comfort

7.8

Entertainment

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
9,895 reviews
Delta
7.8
Good
8,452 reviews

Overall

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Comfort

7.8

Entertainment

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
690 reviews
Delta
7.8
Good
8,452 reviews

Overall

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Comfort

7.8

Entertainment

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
8,100 reviews
Delta
7.8
Good
8,452 reviews

Overall

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Comfort

7.8

Entertainment

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 26 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 $668, TAP AIR PORTUGAL can have you in Denmark from Boston in 10h 05m. The distance between Boston and Denmark is about 3658 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 $189. 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 (85%), Scandinavian Airlines (85%), Delta( 85%).

  • What are the cheapest flights from Boston to Denmark?

    While on average a flight from Boston to Denmark is generally $1,069, our data shows the cheapest flight currently is $454. When looking at the most popular route, (Boston Logan Intl - Kastrup Copenhagen), you can expect to pay $210 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 $1,481). 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

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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 June 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$317Average$760FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$364Average$401FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$385Average$549FlexibilityNo cancel feeOn-time79%
IcelandairCheapest$410Average$527FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$411Average$746FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$416Average$956FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$425Average$518FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$430Average$717FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$448Average$658FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$449Average$853FlexibilityNo cancel feeOn-time77%

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