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$323+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CPH
Aug 30 — Sep 61
Sun 8/30
Sun 9/6
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 31, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/26. 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 12/247:50 pm
BOS
-
CPH
1 stop9h 55m
Icelandair
Tue 12/2912:55 pm
CPH
-
BOS
1 stop10h 55m
Icelandair
Deal found 7/26$679
This Icelandair deal was found by Cheapflights users on 7/26. 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 12/247:50 pm
BOS
-
CPH
1 stop9h 55m
Icelandair
Wed 12/306:25 am
CPH
-
BOS
1 stop17h 25m
Icelandair
Deal found 7/26$680
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.
Wed 9/166:18 pm
BOS
-
CPH
1 stop30h 47m
Scandinavian Airlines
Mon 9/217:00 am
CPH
-
BOS
2 stops15h 20m
Scandinavian Airlines
Deal found 7/27$681
This Justfly.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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:05 pm
BOS
-
CPH
1 stop11h 50m
TAP AIR PORTUGAL
Mon 9/146:00 am
CPH
-
BOS
2 stops20h 20m
TAP AIR PORTUGAL
Deal found 7/27$683
This Gotogate 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 Gotogate 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
Mon 8/3110:50 pm
BLL
-
BOS
1 stop26h 00m
Icelandair
Deal found 7/28$683
This deal was found by Cheapflights users on 7/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:50 pm
BOS
-
CPH
1 stop10h 05m
Icelandair
Wed 10/142:00 pm
CPH
-
BOS
1 stop13h 45m
Icelandair
Deal found 7/31$684
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/26. 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 11/226:00 pm
BOS
-
CPH
1 stop11h 50m
TAP AIR PORTUGAL
Wed 12/96:00 am
CPH
-
BOS
1 stop14h 40m
TAP AIR PORTUGAL
Deal found 7/26$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 Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Mon 11/237:50 pm
BOS
-
CPH
2 stops19h 45m
Multiple Airlines
Thu 12/106:00 am
CPH
-
BOS
1 stop14h 40m
Multiple Airlines
Deal found 7/26$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 9/28:50 pm
BOS
-
CPH
1 stop18h 55m
Icelandair
Fri 9/117:20 am
CPH
-
BOS
1 stop17h 30m
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

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 31, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$679
(Kiwi.com)

One-way from

$323
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$801

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 Denmark
Search Deals
One-way flight from Boston Logan Intl to Denmark
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 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 31, 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

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

BostonBillund

BOS - BLL

BOSBLL

Boston Logan Intl

Thu 10/22

5:50 pm-10:25 am

1 stop10h 35m

Billund

Sun 10/25

9:15 pm-4:40 pm

1 stop24h 25m

$731

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Tue 9/8

8:31 pm-10:50 am

2 stops32h 19m

Kastrup Copenhagen

Thu 9/17

12:45 pm-5:42 pm

2 stops34h 57m

$736

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Thu 12/24

3:10 pm-10:20 am

1 stop13h 10m

Kastrup Copenhagen

Thu 12/31

9:50 am-8:20 pm

1 stop16h 30m

$748

BostonBillund

BOS - BLL

BOSBLL

Boston Logan Intl

Wed 8/12

6:50 pm-10:00 am

2 stops33h 10m

Billund

Wed 8/26

10:45 am-3:40 pm

1 stop10h 55m

$756

BostonBillund

BOS - BLL

BOSBLL

Boston Logan Intl

Sun 12/6

9:50 am-9:55 am

2 stops18h 05m

Billund

Thu 12/10

6:35 am-1:45 pm

1 stop13h 10m

$757

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Sun 9/20

11:00 pm-2:05 am

2 stops45h 05m

Kastrup Copenhagen

Tue 10/6

5:40 pm-8:20 pm

2 stops32h 40m

$762

BostonAalborg

BOS - AAL

BOSAAL

Boston Logan Intl

Tue 10/13

5:40 pm-9:20 am

1 stop9h 40m

Aalborg

Sun 10/18

9:10 pm-3:35 pm

1 stop24h 25m

$773

BostonAarhus

BOS - AAR

BOSAAR

Boston Logan Intl

Tue 12/8

5:35 pm-1:30 pm

1 stop13h 55m

Aarhus

Sat 12/12

9:45 am-3:40 pm

1 stop11h 55m

$774

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Showing 1-10 of 40 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, February is the cheapest month in which you can book a flight from Boston to Denmark (average of $495). Flying from Boston to Denmark in June is currently the most expensive (average of $894). 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 31, 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 31, 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 44 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 31, 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
8,494 reviews

Food

7.2

Comfort

7.8

Overall

7.8

Crew

8.5

Entertainment

7.8

Boarding

8.1

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
8,494 reviews
Delta
7.8
Good
8,494 reviews

Food

7.2

Comfort

7.8

Overall

7.8

Crew

8.5

Entertainment

7.8

Boarding

8.1

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
1,910 reviews
Delta
7.8
Good
8,494 reviews

Food

7.2

Comfort

7.8

Overall

7.8

Crew

8.5

Entertainment

7.8

Boarding

8.1

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
10,056 reviews
Delta
7.8
Good
8,494 reviews

Food

7.2

Comfort

7.8

Overall

7.8

Crew

8.5

Entertainment

7.8

Boarding

8.1

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
716 reviews
Delta
7.8
Good
8,494 reviews

Food

7.2

Comfort

7.8

Overall

7.8

Crew

8.5

Entertainment

7.8

Boarding

8.1

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
8,167 reviews
Delta
7.8
Good
8,494 reviews

Food

7.2

Comfort

7.8

Overall

7.8

Crew

8.5

Entertainment

7.8

Boarding

8.1

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 $731, TAP AIR PORTUGAL can have you in Denmark from Boston in 10h 35m. The distance between Boston and Denmark is about 3528 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 $221. SWISS flights start at $246 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 (88%), Scandinavian Airlines (88%), Delta( 88%).

  • What are the cheapest flights from Boston to Denmark?

    While on average a flight from Boston to Denmark is generally $1,970, our data shows the cheapest flight currently is $438. When looking at the most popular route, (Boston Logan Intl - Kastrup Copenhagen), you can expect to pay $531 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, February is the cheapest month in which you can book a flight from Boston to Denmark (average of $495). Flying from Boston to Denmark in June is currently the most expensive (average of $894). 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 July 31, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$317Average$763FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$364Average$401FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$385Average$568FlexibilityNo cancel feeOn-time79%
IcelandairCheapest$411Average$542FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$414Average$755FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$416Average$830FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$425Average$545FlexibilityNo cancel feeOn-time67%
DeltaCheapest$447Average$907FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$448Average$664FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$454Average$1,125FlexibilityNo cancel feeOn-time77%

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