Cheap flights from Boston to Copenhagen from $248

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Copenhagen departing on 1/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Icelandair Logo
12:35 pm - 5:20 amBOS-CPH
11h 45m1 stop
Icelandair Logo
6:15 am - 5:50 pmCPH-BOS
17h 35m1 stop
$418Icelandair
Find Deal
Sat, Nov 1 - Sun, Nov 9
Scandinavian Airlines Logo
1:21 pm - 5:15 pmBOS-CPH
21h 54m2 stops
Scandinavian Airlines Logo
1:15 pm - 3:50 pmCPH-BOS
8h 35mnonstop
$419Scandinavian Airlines
Find Deal
Wed, Dec 3 - Tue, Dec 9
Icelandair Logo
11:35 am - 8:35 pmBOS-CPH
27h 00m1 stop
Icelandair Logo
6:15 am - 10:35 amCPH-BOS
10h 20m1 stop
$420Icelandair
Find Deal
Thu, Nov 6 - Sun, Nov 16
SWISS Logo
10:10 pm - 2:00 pmBOS-CPH
9h 50m1 stop
SWISS Logo
7:55 pm - 8:00 pmCPH-BOS
30h 05m1 stop
$421SWISS
Find Deal
Mon, Dec 1 - Fri, Dec 5
Scandinavian Airlines Logo
1:10 pm - 7:10 amBOS-CPH
12h 00m1 stop
Scandinavian Airlines Logo
1:15 pm - 3:50 pmCPH-BOS
8h 35mnonstop
$428Scandinavian Airlines
Find Deal
Tue, Feb 17 - Tue, Feb 24
SWISS Logo
10:50 pm - 3:20 pmBOS-CPH
35h 30m2 stops
SWISS Logo
7:55 pm - 9:00 pmCPH-BOS
30h 05m1 stop
$436SWISS
Find Deal
Wed, Mar 18 - Sun, Mar 22
United Airlines Logo
1:30 pm - 5:35 pmBOS-CPH
22h 05m2 stops
United Airlines Logo
9:50 am - 8:20 pmCPH-BOS
16h 30m1 stop
$448United Airlines
Find Deal
Thu, Nov 6 - Sat, Nov 15
United Airlines Logo
9:50 pm - 2:05 pmBOS-CPH
10h 15m1 stop
United Airlines Logo
7:05 am - 9:27 pmCPH-BOS
20h 22m2 stops
$452United Airlines
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Fri, Nov 14 - Thu, Nov 20
Delta Logo
9:59 am - 9:20 amBOS-CPH
17h 21m2 stops
Delta Logo
6:45 am - 1:35 pmCPH-BOS
12h 50m1 stop
$454Delta
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Tue, Dec 2 - Tue, Dec 9
Delta Logo
5:00 pm - 1:00 pmBOS-CPH
14h 00m2 stops
Delta Logo
12:05 pm - 6:55 pmCPH-BOS
12h 50m1 stop
$455Delta
Find Deal
Sun, Dec 7 - Wed, Dec 10

Delta flights from Boston to Copenhagen

Our best Delta deals on Boston to Copenhagen flight tickets
Delta
Oct 21
BOS9:59 amBoston Logan Intl
14h 31m
1 stop
CPH6:30 amKastrup Copenhagen
Oct 24
CPH12:30 pmKastrup Copenhagen
15h 34m
1 stop
BOS10:04 pmBoston Logan Intl
Delta
Dec 2
BOS9:59 amBoston Logan Intl
17h 21m
2 stops
CPH9:20 amKastrup Copenhagen
Dec 9
CPH6:45 amKastrup Copenhagen
12h 50m
1 stop
BOS1:35 pmBoston Logan Intl
Delta
Dec 7
BOS5:00 pmBoston Logan Intl
14h 00m
2 stops
CPH1:00 pmKastrup Copenhagen
Dec 10
CPH12:05 pmKastrup Copenhagen
12h 50m
1 stop
BOS6:55 pmBoston Logan Intl

Lufthansa flights from Boston to Copenhagen

Our best Lufthansa deals on Boston to Copenhagen flight tickets
Lufthansa
Nov 6
BOS4:20 pmBoston Logan Intl
11h 00m
1 stop
CPH9:20 amKastrup Copenhagen
Nov 15
CPH6:00 amKastrup Copenhagen
18h 35m
1 stop
BOS6:35 pmBoston Logan Intl
Lufthansa
Nov 28
BOS8:40 pmBoston Logan Intl
9h 45m
1 stop
CPH12:25 pmKastrup Copenhagen
Dec 2
CPH6:20 pmKastrup Copenhagen
30h 15m
1 stop
BOS6:35 pmBoston Logan Intl
Lufthansa
Oct 19
BOS10:00 pmBoston Logan Intl
18h 15m
1 stop
CPH10:15 pmKastrup Copenhagen
Nov 10
CPH6:55 amKastrup Copenhagen
12h 30m
1 stop
BOS1:25 pmBoston Logan Intl

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Copenhagen 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, momondo users made 832,500 searches. Data last updated October 16, 2025.
Use the filters below to find and compare flights from Boston to Copenhagen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Sat 11/1

12:35 pm-5:20 am

1 stop11h 45m

Kastrup Copenhagen

Sun 11/9

6:15 am-5:50 pm

1 stop17h 35m

$418

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Wed 12/3

1:21 pm-5:15 pm

2 stops21h 54m

Kastrup Copenhagen

Tue 12/9

1:15 pm-3:50 pm

Nonstop8h 35m

$419

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Thu 11/6

11:35 am-8:35 pm

1 stop27h 00m

Kastrup Copenhagen

Sun 11/16

6:15 am-10:35 am

1 stop10h 20m

$420

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Mon 12/1

10:10 pm-2:00 pm

1 stop9h 50m

Kastrup Copenhagen

Fri 12/5

7:55 pm-8:00 pm

1 stop30h 05m

$421

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Tue 2/17

1:10 pm-7:10 am

1 stop12h 00m

Kastrup Copenhagen

Tue 2/24

1:15 pm-3:50 pm

Nonstop8h 35m

$428

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Wed 3/18

10:50 pm-3:20 pm

2 stops35h 30m

Kastrup Copenhagen

Sun 3/22

7:55 pm-9:00 pm

1 stop30h 05m

$436

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Thu 11/6

1:30 pm-5:35 pm

2 stops22h 05m

Kastrup Copenhagen

Sat 11/15

9:50 am-8:20 pm

1 stop16h 30m

$448

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Fri 11/14

9:50 pm-2:05 pm

1 stop10h 15m

Kastrup Copenhagen

Thu 11/20

7:05 am-9:27 pm

2 stops20h 22m

$452

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Tue 12/2

9:59 am-9:20 am

2 stops17h 21m

Kastrup Copenhagen

Tue 12/9

6:45 am-1:35 pm

1 stop12h 50m

$454

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Sun 12/7

5:00 pm-1:00 pm

2 stops14h 00m

Kastrup Copenhagen

Wed 12/10

12:05 pm-6:55 pm

1 stop12h 50m

$455

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Copenhagen from

How to get the cheapest flight ticket from Boston to Copenhagen

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Copenhagen?

The cheapest month to fly to Copenhagen from Boston is in March. Flight prices, which tend to average around $491, are often lower during this time because this is during the off-season. If you aren’t able to travel to Copenhagen during the month of March, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $496.

What is the cheapest day to depart on your flight to Copenhagen?

The cheapest day to depart from Boston to Copenhagen is on a Sunday when prices can be found for as low as $588. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Boston to Copenhagen for around $719.

What is the cheapest time of day to depart on your flight to Copenhagen?

Flying to Copenhagen from Boston in the evening is the least expensive time of day to depart. momondo users have found prices as low as $504 when looking at flights departing in the evening. Try not to purchase tickets in the afternoon because they tend to be around $653. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Boston Logan Intl to Kastrup Copenhagen flight route?

Fly from Boston Logan Intl to Kastrup Copenhagen for the best Boston Logan Intl - Kastrup Copenhagen flight prices

How far in advance should I book a flight to Copenhagen?

You are more likely to see cheaper flights to Copenhagen from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Copenhagen for around $584 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Copenhagen from Boston for as low as $525 on momondo.

What cabin class options are available on Boston Logan Intl to Kastrup Copenhagen flights?

There are 3 cabin classes available to choose from on Boston Logan Intl to Kastrup Copenhagen flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Boston to Copenhagen flight prices changed over time?

As of October 2025, prices for Boston to Copenhagen flights are approximately 6% cheaper when compared to flights at the same time last year.

When to book flights from Boston to Copenhagen

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Copenhagen according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Copenhagen (BOS to CPH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Copenhagen

Best Price Found

$384

Fastest flight time

7h 20m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in Copenhagen

1 airport
The best one-way flight to Copenhagen from Boston in the past 72 hours is $384. The best round-trip flight deal from Boston to Copenhagen found on momondo in the last 72 hours is $534.
The fastest flight from Boston to Copenhagen takes 7h 20m
Direct flights go from Boston to Copenhagen on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport near Copenhagen: Kastrup Copenhagen (CPH)
  • How far is Boston Logan Intl to Kastrup Copenhagen by plane?

    Boston Logan Intl and Kastrup Copenhagen are 3655.6 mi apart from one another. In terms of flight time, this usually takes a little over 7h 25m.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Kastrup Copenhagen Airport?

    Prices for flights from Boston Logan Intl Airport to Kastrup Copenhagen Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Kastrup Copenhagen Airport?

  • How old do you have to be to fly from Boston Logan Intl Airport to Kastrup Copenhagen Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boston Logan Intl Airport to Kastrup Copenhagen Airport.

  • What documentation or ID do you need to fly to Kastrup Copenhagen Airport?

    The travel and health documents you'll need for your trip to Kastrup Copenhagen Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Kastrup Copenhagen Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Boston to Copenhagen?

  • What is the most popular airline from Boston to Copenhagen?

Best airlines flying from Boston to Copenhagen

Compare and see reviews for airlines that fly from Boston to Copenhagen with momondo
Airline
Rating
Free Cancellation
Price
PLAYPriceFrom $291Free CancellationRating
7.0
103 reviews
Search PLAY flights
IcelandairPriceFrom $407Free CancellationRating
7.0
556 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $414Free CancellationRating
7.4
1,533 reviews
Search Scandinavian Airlines flights
American AirlinesPriceFrom $416Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
Air CanadaPriceFrom $425Free CancellationRating
7.1
10,307 reviews
Search Air Canada flights
United AirlinesPriceFrom $433Free CancellationRating
7.4
8,982 reviews
Search United Airlines flights
SWISSPriceFrom $444Free CancellationRating
7.5
1,772 reviews
Search SWISS flights
Air FrancePriceFrom $449Free CancellationRating
7.4
1,476 reviews
Search Air France flights
British AirwaysPriceFrom $462Free CancellationRating
6.7
7,457 reviews
Search British Airways flights
LufthansaPriceFrom $476Free CancellationRating
6.8
7,497 reviews
Search Lufthansa flights
  • Delta Flights From Boston to Copenhagen

    Delta flight deals from Boston to Copenhagen start from $477 round-trip. Over the 6 Delta flights for this route in a normal week, average airfare is usually $765 round-trip - but some users have found much cheaper deals with momondo.

  • Scandinavian Airlines Flights From Boston to Copenhagen

    Scandinavian Airlines (7.4/10 from 1,533 reviews) operates around 5 flights from Boston to Copenhagen in any given week. The average Scandinavian Airlines airfare for this route is around $674, with deals from around $414 rare but found on momondo. Referenced prices are for round-trip Boston to Copenhagen flight searches in the last 72 hours.

Traveling to a place near Copenhagen?

Book flights to Copenhagen if you plan to visit one of these locations
Kastrup
Roskilde

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Copenhagen?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Boston to Copenhagen. momondo saves you time and could save you money on your trip.

Can I find flights from Boston to Copenhagen with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Boston to Copenhagen flights to just show those with flexible booking policies.

How can momondo help me find flights from Boston to Copenhagen?

Once all potential Boston to Copenhagen flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Boston to Copenhagen right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Copenhagen from Boston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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1 adult
Sat 11/15
Sat 11/22

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