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$338+ 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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CPH
ene. 29 — feb. 51
jue. 1/29
jue. 2/5
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 diciembre 30, 2025.

This United Airlines deal was found by Cheapflights users on 12/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/309:50 pmBOS - CPH
1 stop10h 20mUnited Airlines
mar. 1/610:10 amCPH - BOS
2 stops42h 27mUnited Airlines
Deal found 12/28$610
This oojo deal was found by Cheapflights users on 12/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/309:35 pmBOS - CPH
1 stop10h 45mBritish Airways
mar. 1/66:00 pmCPH - BOS
1 stop28h 15mBritish Airways
Deal found 12/28$888
This Expedia deal was found by Cheapflights users on 12/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/309:50 pmBOS - AAL
2 stops34h 10mMultiple Airlines
mié. 1/76:50 pmAAL - BOS
2 stops49h 15mMultiple Airlines
Deal found 12/29$897
This United Airlines deal was found by Cheapflights users on 12/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/287:44 pmBOS - CPH
2 stops34h 16mUnited Airlines
mié. 1/72:20 pmCPH - BOS
2 stops27h 52mUnited Airlines
Deal found 12/28$947
This Kiwi.com deal was found by Cheapflights users on 12/29. 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.
lun. 12/298:40 pmBOS - CPH
1 stop20h 25mMultiple Airlines
dom. 1/46:30 pmCPH - BOS
2 stops55h 25mMultiple Airlines
Deal found 12/29$1,040
This KLM deal was found by Cheapflights users on 12/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/307:10 pmBOS - AAL
1 stop21h 20mKLM
mié. 1/72:20 pmAAL - BOS
1 stop29h 10mKLM
Deal found 12/29$1,055
This United Airlines deal was found by Cheapflights users on 12/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/317:44 pmBOS - BLL
2 stops32h 01mUnited Airlines
dom. 1/42:05 pmBLL - BOS
2 stops27h 03mUnited Airlines
Deal found 12/29$1,163
This Iberia deal was found by Cheapflights users on 12/28. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/2810:40 pmBOS - CPH
1 stop15h 05mMultiple Airlines
mié. 1/710:30 amCPH - BOS
1 stop11h 45mMultiple Airlines
Deal found 12/28$1,201
This United Airlines deal was found by Cheapflights users on 12/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/294:15 pmBOS - CPH
2 stops37h 10mUnited Airlines
vie. 1/28:55 amCPH - BOS
2 stops33h 58mUnited Airlines
Deal found 12/27$1,215
This Flightnetwork deal was found by Cheapflights users on 12/29. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/299:25 pmBOS - CPH
2 stops44h 20mAzores Airlines
dom. 1/46:30 pmCPH - BOS
2 stops55h 25mAzores Airlines
Deal found 12/29$1,280
This United Airlines deal was found by Cheapflights users on 12/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/2810:10 pmBOS - CPH
2 stops32h 15mUnited Airlines
jue. 1/19:50 amCPH - BOS
2 stops17h 54mUnited Airlines
Deal found 12/28$1,333
This United Airlines deal was found by Cheapflights users on 12/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/293:40 pmBOS - CPH
2 stops20h 35mUnited Airlines
sáb. 1/38:55 amCPH - BOS
1 stop15h 40mUnited Airlines
Deal found 12/27$1,367

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 diciembre 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$427
(Kiwi.com)

One-way from

$338
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$783

Good round-trip deal

$516 or less

Good one-way deal

$399 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. 12% potential increase in price ($87 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 December 2025
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 diciembre 30, 2025.
Use the filters below to find and compare flights from Boston to Denmark that are best for you.

Fly from

Boston

Fly to

Denmark

Route

Depart

Return

Price

BostonBillund

BOS - BLL

BOSBLL

Boston Logan Intl

dom. 1/18

4:15 pm-10:00 am

1 stop11h 45m

Billund

vie. 1/23

6:30 am-1:35 pm

1 stop13h 05m

$427

BostonBillund

BOS - BLL

BOSBLL

Boston Logan Intl

lun. 1/19

6:30 pm-2:35 pm

1 stop14h 05m

Billund

mar. 2/3

6:30 am-1:40 pm

1 stop13h 10m

$440

BostonBillund

BOS - BLL

BOSBLL

Boston Logan Intl

dom. 1/18

5:30 am-10:00 am

2 stops22h 30m

Billund

vie. 1/23

6:30 am-1:35 pm

1 stop13h 05m

$454

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

lun. 2/23

10:45 am-5:35 pm

2 stops24h 50m

Kastrup Copenhagen

vie. 2/27

6:00 am-6:35 pm

1 stop18h 35m

$460

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

mar. 5/19

8:50 pm-4:15 pm

1 stop13h 25m

Kastrup Copenhagen

lun. 5/25

2:00 pm-10:10 pm

1 stop14h 10m

$463

BostonBillund

BOS - BLL

BOSBLL

Boston Logan Intl

mar. 5/12

4:35 pm-11:00 am

1 stop12h 25m

Billund

mar. 5/26

11:45 am-4:33 pm

1 stop10h 48m

$477

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

lun. 5/18

9:40 pm-2:10 pm

1 stop10h 30m

Kastrup Copenhagen

jue. 5/21

12:45 pm-10:39 pm

1 stop15h 54m

$481

BostonBillund

BOS - BLL

BOSBLL

Boston Logan Intl

vie. 4/24

8:05 pm-6:10 pm

2 stops16h 05m

Billund

lun. 5/4

6:55 pm-3:40 pm

1 stop26h 45m

$492

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

vie. 3/6

7:10 pm-1:10 pm

1 stop12h 00m

Kastrup Copenhagen

mar. 3/10

6:30 am-2:30 pm

1 stop13h 00m

$493

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

mié. 5/20

8:05 pm-6:40 pm

1 stop16h 35m

Kastrup Copenhagen

mar. 6/2

12:45 pm-11:54 pm

2 stops17h 09m

$495

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/28

Showing 1-10 of 29 results
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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 $285). Flying from Boston to Denmark in June is currently the most expensive (average of $480). 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 diciembre 30, 2025.

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.

How often are flights from Boston to Denmark delayed?

About 6% of weekly flights between Boston and Denmark have experienced delays in the past year, with the average delay time being 130 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?

Wednesday 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 6% of flights being delayed.

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 diciembre 30, 2025.
Get a feel of what it's like to fly with Delta, KLM, and Scandinavian 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
7.9
Good
8,013 reviews

Comfort

7.9

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Crew

8.5

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
8,013 reviews
Delta
7.9
Good
8,013 reviews

Comfort

7.9

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Crew

8.5

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
7.7
Good
1,435 reviews
Delta
7.9
Good
8,013 reviews

Comfort

7.9

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Crew

8.5

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
7.4
Good
1,630 reviews
Delta
7.9
Good
8,013 reviews

Comfort

7.9

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Crew

8.5

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
592 reviews
Delta
7.9
Good
8,013 reviews

Comfort

7.9

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Crew

8.5

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
8,013 reviews

Comfort

7.9

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Crew

8.5

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 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 35 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 $427, Lufthansa can have you in Denmark from Boston in 11h 45m. 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 $190. TAP AIR PORTUGAL flights start at $219 while deals on PLAY start at $239 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 (82%), Delta (81%), Scandinavian Airlines( 66%).

  • What are the cheapest flights from Boston to Denmark?

    While on average a flight from Boston to Denmark is generally $1,346, our data shows the cheapest flight currently is $367. When looking at the most popular route, (Boston Logan Intl - Kastrup Copenhagen), you can expect to pay $354 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 $285). Flying from Boston to Denmark in June is currently the most expensive (average of $480). 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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Alternative routes for Boston to Denmark

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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 diciembre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$290Average$400FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$317Average$670FlexibilityNo cancel feeOn-time76%
SWISSCheapest$318Average$573FlexibilityNo cancel feeOn-time79%
TAP AIR PORTUGALCheapest$364Average$400FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$409Average$549FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$416Average$705FlexibilityNo cancel feeOn-time71%
Scandinavian AirlinesCheapest$422Average$661FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$425Average$509FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$448Average$657FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$449Average$561FlexibilityNo cancel feeOn-time77%

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