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Cheap flights from Boston to Copenhagen from C$ 521

BOS — CPH
25 Oct — 1 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Boston to Copenhagen

Enter your travel dates to find the best prices.

Cheapest flights from Boston to Copenhagen

Wed 21/105:28 p.m. -
2 stops16h 47m
Wed 18/111:00 p.m. -
2 stops16h 44m
Deal found 22/9C$ 799
Sun 8/1112:45 p.m. -
2 stops15h 35m
Tue 17/113:45 p.m. -
2 stops13h 59m
Deal found 21/9C$ 801
Sun 25/108:50 p.m. -
1 stop9h 55m
Fri 6/111:05 p.m. -
1 stop10h 45m
Deal found 25/9C$ 803
Mon 23/115:35 p.m. -
Nonstop7h 20m
Tue 1/121:20 p.m. -
Nonstop8h 25m
Deal found 22/9C$ 805
Sat 24/108:50 p.m. -
1 stop18h 45m
Sat 31/105:05 p.m. -
1 stop30h 45m
Deal found 25/9C$ 806
Tue 29/96:05 a.m. -
1 stop18h 40m
Tue 6/109:00 a.m. -
1 stop16h 06m
Deal found 25/9C$ 816
Sun 27/92:54 p.m. -
1 stop14h 51m
Wed 7/109:00 a.m. -
1 stop20h 08m
Deal found 25/9C$ 819
Wed 14/104:55 p.m. -
1 stop11h 55m
Fri 23/1012:45 p.m. -
1 stop15h 55m
Deal found 22/9C$ 822
Wed 25/119:30 p.m. -
1 stop18h 20m
Mon 30/118:30 p.m. -
1 stop23h 50m
Deal found 23/9C$ 823
Fri 27/113:10 p.m. -
1 stop13h 10m
Fri 4/1211:35 a.m. -
2 stops30h 52m
Deal found 23/9C$ 830
Wed 21/1010:50 a.m. -
1 stop18h 00m
Wed 28/1010:35 a.m. -
2 stops16h 24m
Deal found 23/9C$ 836
Wed 25/117:30 a.m. -
1 stop20h 10m
Tue 1/123:45 p.m. -
2 stops14h 02m
Deal found 23/9C$ 837

Find flight deals from Boston to Copenhagen

Round-trip from

C$ 799

One-way from

C$ 521

Popular in

June

Cheapest in

February

Average price

C$ 1,011

Good round-trip deal

C$ 1,002 or less
Finnair
  • Finnair
  • 21/10-18/11
  • 4 total stops
  • 33h 31m total
  • Boston to Copenhagen
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LEVEL
  • LEVEL
  • 30/9-31/12
  • 1 total stop
  • 29h 55m total
  • Boston to Copenhagen
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 234 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 37 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Price to beat on a round-trip flight from Boston Logan Intl to Kastrup Copenhagen.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Boston to Copenhagen that are best for you.

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Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonCopenhagen

BOS Boston Logan Intl - CPH Kastrup Copenhagen

BOSCPH

Boston Logan Intl

Wed 30/9

10:55 p.m.-10:50 a.m.

1 stop29h 55m

Kastrup Copenhagen

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 521

BostonCopenhagen

BOS Boston Logan Intl - CPH Kastrup Copenhagen

BOSCPH

Boston Logan Intl

Sat 6/3

7:40 p.m.-11:10 p.m.

2 stops45h 30m

Kastrup Copenhagen

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 569

BostonCopenhagen

BOS Boston Logan Intl - CPH Kastrup Copenhagen

BOSCPH

Boston Logan Intl

Mon 12/10

10:45 p.m.-2:05 a.m.

1 stop21h 20m

Kastrup Copenhagen

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 607

BostonCopenhagen

BOS Boston Logan Intl - CPH Kastrup Copenhagen

BOSCPH

Boston Logan Intl

Sun 18/10

11:00 p.m.-2:05 a.m.

2 stops45h 05m

Kastrup Copenhagen

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 633

BostonCopenhagen

BOS Boston Logan Intl - CPH Kastrup Copenhagen

BOSCPH

Boston Logan Intl

Tue 13/10

10:51 a.m.-11:55 a.m.

2 stops19h 04m

Kastrup Copenhagen

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 754

BostonCopenhagen

BOS Boston Logan Intl - CPH Kastrup Copenhagen

BOSCPH

Boston Logan Intl

Sat 3/10

11:15 p.m.-4:50 p.m.

2 stops35h 35m

Kastrup Copenhagen

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 784

BostonCopenhagen

BOS Boston Logan Intl - CPH Kastrup Copenhagen

BOSCPH

Boston Logan Intl

Sun 8/11

12:45 p.m.-10:20 a.m.

2 stops15h 35m

Kastrup Copenhagen

Tue 17/11

3:45 p.m.-11:44 p.m.

2 stops13h 59m

C$ 801

BostonCopenhagen

BOS Boston Logan Intl - CPH Kastrup Copenhagen

BOSCPH

Boston Logan Intl

Thu 3/12

9:25 p.m.-10:45 p.m.

1 stop19h 20m

Kastrup Copenhagen

Tue 8/12

3:45 p.m.-11:44 p.m.

2 stops13h 59m

C$ 866

BostonCopenhagen

BOS Boston Logan Intl - CPH Kastrup Copenhagen

BOSCPH

Boston Logan Intl

Mon 30/11

10:11 p.m.-7:50 p.m.

1 stop15h 39m

Kastrup Copenhagen

Mon 7/12

12:05 p.m.-11:58 p.m.

2 stops17h 53m

C$ 881

BostonCopenhagen

BOS Boston Logan Intl - CPH Kastrup Copenhagen

BOSCPH

Boston Logan Intl

Sat 24/10

7:13 p.m.-6:30 p.m.

2 stops41h 17m

Kastrup Copenhagen

Sun 1/11

11:35 a.m.-5:42 p.m.

2 stops36h 07m

C$ 898

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/9

Showing 1-10 of 23 resultsSorted by cheapest first
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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

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?

To ensure you get the cheapest price possible for a flight from Boston to Copenhagen, you should look to book at least 33 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 C$ 719). Flying from Boston to Copenhagen in June is currently the most expensive (average of C$ 1,277). 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?

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 C$ 752 and C$ 1,154 in October.
The cheapest round-trip price found within the last 5 days was C$ 799 on Finnair (21 Oct-18 Nov).

Related info for your journey

  • How popular is this Boston to Copenhagen flight route?

    Flights from Boston Logan Intl to Kastrup Copenhagen have been viewed 1 times in the past calendar month.

  • How long is the flight from Boston to Copenhagen?

    Departing from Boston to Copenhagen will take you 15h 35m. Boston and Copenhagen are separated by a distance of 5887 km. This flight may include one or multiple stops.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Boston to Copenhagen on time: Air France (85%), Scandinavian Airlines (85%), Delta (85%).

  • 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 C$ 719). Flying from Boston to Copenhagen in June is currently the most expensive (average of C$ 1,277). 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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