Which layover airport offers the lowest fares from Boston to Copenhagen?

Flights via Montreal (YUL) offer the lowest average round-trip price of $426.

How often are flights from Boston to Copenhagen delayed?

Historically, on average around 6% of flights between Boston and Copenhagen have experienced a delay on any given week. The average delay length over the past 12 months has been 106 minutes.

Which airport is the most popular layover for flights between Boston and Copenhagen?

Reykjavik (KEF) was the most common stop: 68% of momondo users choosing 1-stop flights on this route connected there.

What day of the week experiences the fewest flight delays on this route?

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which layover airport has the shortest travel time from Boston to Copenhagen?

Flights connecting via Montreal (YUL) have the shortest average one-way travel time: 9h 50m.

What is the cheapest airline that flies from Boston Logan Intl to Kastrup Copenhagen?

Icelandair is the most popular carrier operating from Boston Logan Intl to Kastrup Copenhagen

What airlines fly to Copenhagen?

Scandinavian Airlines, Icelandair and PLAY are the top three most popular airlines that fly to Copenhagen from Boston according to our data. Scandinavian Airlines is the first choice among our users, with 65% of people opting to fly with this airline when traveling to Copenhagen. Keep in mind that there are 13 different airlines that fly to Copenhagen on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest connection time from Boston to Copenhagen?

Lisbon (LIS) has the shortest average layover time for this route: 1h 23m.

Which airline has the best punctuality record on Boston to Copenhagen flights?

According to our data, Scandinavian Airlines have had the least number of delays on this route over the last 12 months; with about 6% of their flights experiencing any sort of delay.

What is the most punctual flight time for Boston to Copenhagen flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

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?

There are 13 operators available for flights from Boston Logan Intl Airport to Kastrup Copenhagen Airport as of January 2026.

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.

$224 Cheap Flights from Boston to Copenhagen in 2026

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Find the cheapest flights from Boston to Copenhagen

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:40 pm - 12:25 pm

BOS

CPH

12h 45m

2 stops

12:45 pm - 9:27 pm

CPH

BOS

14h 42m

2 stops

$418Multiple Airlines

Sun, Mar 22 - Tue, Mar 31

11:10 pm - 2:00 pm

BOS

CPH

9h 50m

1 stop

7:00 am - 3:05 pm

CPH

BOS

13h 05m

1 stop

$419Multiple Airlines

Mon, Mar 16 - Fri, Mar 20

10:00 am - 6:45 am

BOS

CPH

14h 45m

1 stop

9:00 am - 4:23 pm

CPH

BOS

13h 23m

1 stop

$420Delta

Wed, Apr 15 - Thu, Apr 23

8:40 pm - 12:25 pm

BOS

CPH

9h 45m

1 stop

6:50 am - 1:35 pm

CPH

BOS

12h 45m

1 stop

$421Lufthansa

Mon, Feb 9 - Fri, Feb 20

7:50 pm - 11:45 am

BOS

CPH

9h 55m

1 stop

8:50 pm - 10:35 am

CPH

BOS

19h 45m

1 stop

$422Icelandair

Mon, Mar 2 - Fri, Mar 6

10:35 am - 5:20 pm

BOS

CPH

24h 45m

2 stops

12:45 pm - 10:39 pm

CPH

BOS

15h 54m

1 stop

$423Multiple Airlines

Thu, May 7 - Tue, May 12

12:35 pm - 7:50 pm

BOS

CPH

26h 15m

1 stop

12:55 pm - 6:50 pm

CPH

BOS

10h 55m

1 stop

$424Icelandair

Thu, Mar 12 - Thu, Mar 19

7:50 pm - 11:45 am

BOS

CPH

9h 55m

1 stop

12:55 pm - 5:50 pm

CPH

BOS

10h 55m

1 stop

$425Icelandair

Sun, Feb 8 - Thu, Feb 19

10:45 am - 10:50 am

BOS

CPH

18h 05m

1 stop

12:45 pm - 9:27 pm

CPH

BOS

14h 42m

2 stops

$426Air Canada

Thu, Apr 16 - Wed, Apr 22

10:10 pm - 2:00 pm

BOS

CPH

9h 50m

1 stop

2:55 pm - 8:20 pm

CPH

BOS

11h 25m

1 stop

$427SWISS

Mon, Feb 9 - Thu, Feb 12

Air Canada flights from Boston to Copenhagen

Our best Air Canada deals on Boston to Copenhagen flight tickets

Air Canada

Apr 16

BOS10:45 amBoston Logan Intl

18h 05m

1 stop

CPH10:50 amKastrup Copenhagen

Apr 22

CPH12:45 pmKastrup Copenhagen

14h 42m

2 stops

BOS9:27 pmBoston Logan Intl

$426

Air Canada

Apr 16

BOS10:40 amBoston Logan Intl

18h 10m

2 stops

CPH10:50 amKastrup Copenhagen

Apr 26

CPH12:45 pmKastrup Copenhagen

32h 07m

2 stops

BOS2:52 pmBoston Logan Intl

$429

Air Canada

Apr 24

BOS6:45 pmBoston Logan Intl

56h 10m

2 stops

CPH8:55 amKastrup Copenhagen

May 5

CPH12:45 pmKastrup Copenhagen

15h 54m

1 stop

BOS10:39 pmBoston Logan Intl

$443

United Airlines flights from Boston to Copenhagen

Our best United Airlines deals on Boston to Copenhagen flight tickets

United Airlines

Apr 19

BOS8:05 pmBoston Logan Intl

14h 20m

1 stop

CPH4:25 pmKastrup Copenhagen

Apr 24

CPH12:45 pmKastrup Copenhagen

11h 16m

1 stop

BOS6:01 pmBoston Logan Intl

$438

United Airlines

May 4

BOS10:00 amBoston Logan Intl

18h 50m

2 stops

CPH10:50 amKastrup Copenhagen

May 8

CPH9:40 amKastrup Copenhagen

21h 19m

2 stops

BOS12:59 amBoston Logan Intl

$449

United Airlines

Feb 16

BOS1:55 pmBoston Logan Intl

18h 05m

2 stops

CPH2:00 pmKastrup Copenhagen

Feb 25

CPH9:50 amKastrup Copenhagen

16h 30m

1 stop

BOS8:20 pmBoston Logan Intl

$451

Fly from

Fly to

Route

Depart

Return

Price

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Sun 3/22

6:40 pm-12:25 pm

2 stops12h 45m

Kastrup Copenhagen

Tue 3/31

12:45 pm-9:27 pm

2 stops14h 42m

$418

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Mon 3/16

11:10 pm-2:00 pm

1 stop9h 50m

Kastrup Copenhagen

Fri 3/20

7:00 am-3:05 pm

1 stop13h 05m

$419

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Wed 4/15

10:00 am-6:45 am

1 stop14h 45m

Kastrup Copenhagen

Thu 4/23

9:00 am-4:23 pm

1 stop13h 23m

$420

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Mon 2/9

8:40 pm-12:25 pm

1 stop9h 45m

Kastrup Copenhagen

Fri 2/20

6:50 am-1:35 pm

1 stop12h 45m

$421

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Mon 3/2

7:50 pm-11:45 am

1 stop9h 55m

Kastrup Copenhagen

Fri 3/6

8:50 pm-10:35 am

1 stop19h 45m

$422

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Thu 5/7

10:35 am-5:20 pm

2 stops24h 45m

Kastrup Copenhagen

Tue 5/12

12:45 pm-10:39 pm

1 stop15h 54m

$423

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Thu 3/12

12:35 pm-7:50 pm

1 stop26h 15m

Kastrup Copenhagen

Thu 3/19

12:55 pm-6:50 pm

1 stop10h 55m

$424

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Sun 2/8

7:50 pm-11:45 am

1 stop9h 55m

Kastrup Copenhagen

Thu 2/19

12:55 pm-5:50 pm

1 stop10h 55m

$425

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Thu 4/16

10:45 am-10:50 am

1 stop18h 05m

Kastrup Copenhagen

Wed 4/22

12:45 pm-9:27 pm

2 stops14h 42m

$426

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Mon 2/9

10:10 pm-2:00 pm

1 stop9h 50m

Kastrup Copenhagen

Thu 2/12

2:55 pm-8:20 pm

1 stop11h 25m

$427

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Delays

Layovers

What is the cheapest month to fly to Copenhagen?

The cheapest month to fly to Copenhagen from Boston is in October. Flight prices, which tend to average around $495, 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 October, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $495.

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

The cheapest day to depart from Boston to Copenhagen is on a Monday when prices can be found for as low as $610. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Boston to Copenhagen for around $721.

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 $554 when looking at flights departing in the evening. Try not to purchase tickets in the afternoon because they tend to be around $670. 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 $606 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 $532 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 January 2026, prices for Boston to Copenhagen flights are approximately 74% more expensive 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	$388
Fastest flight time	7h 20m
Direct flights	Every day
Airports in Copenhagen	1 airport

The best one-way flight to Copenhagen from Boston in the past 72 hours is $388. The best round-trip flight deal from Boston to Copenhagen found on momondo in the last 72 hours is $492.

The fastest flight from Boston to Copenhagen takes 7h 20m

Direct flights go from Boston to Copenhagen every day.

There is 1 airport in Copenhagen. From Boston there are direct flights to Kastrup Copenhagen (CPH).

Search flight deals

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 20m.
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?
There are 13 operators available for flights from Boston Logan Intl Airport to Kastrup Copenhagen Airport as of January 2026.
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?
Based on momondo bookings for flights between Boston and Copenhagen, the leading plane model is Airbus A330-300, making up 25.34% of the total bookings. Other popular models include Airbus A321neo with 25.16%, Airbus A330-900neo with 16.23%, and Airbus A350-900 with 6.94%.
What is the most popular airline from Boston to Copenhagen?
momondo data reveals that the most frequently booked airline on the route from Boston to Copenhagen is Scandinavian Airlines, representing 55% of all bookings. The subsequent popular airlines are Icelandair at 15%, PLAY at 10%, and Delta at 4%.

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
PLAY	PriceFrom $298	Free Cancellation	Rating 7.0 103 reviews	Search PLAY flights
SWISS	PriceFrom $318	Free Cancellation	Rating 7.6 1,864 reviews	Search SWISS flights
TAP AIR PORTUGAL	PriceFrom $364	Free Cancellation	Rating 7.1 2,130 reviews	Search TAP AIR PORTUGAL flights
Icelandair	PriceFrom $409	Free Cancellation	Rating 7.1 606 reviews	Search Icelandair flights
Scandinavian Airlines	PriceFrom $414	Free Cancellation	Rating 7.3 1,674 reviews	Search Scandinavian Airlines flights
American Airlines	PriceFrom $416	Free Cancellation	Rating 7.2 11,206 reviews	Search American Airlines flights
Air Canada	PriceFrom $425	Free Cancellation	Rating 7.1 10,667 reviews	Search Air Canada flights
United Airlines	PriceFrom $448	Free Cancellation	Rating 7.4 9,215 reviews	Search United Airlines flights
Air France	PriceFrom $449	Free Cancellation	Rating 7.4 1,528 reviews	Search Air France flights
Lufthansa	PriceFrom $457	Free Cancellation	Rating 6.8 7,756 reviews	Search Lufthansa flights

Delta Flights From Boston to Copenhagen
Delta flight deals from Boston to Copenhagen start from $474 round-trip. Over the 4 Delta flights for this route in a normal week, average airfare is usually $799 round-trip - but some users have found much cheaper deals with momondo.
Air France Flights From Boston to Copenhagen
Air France (7.4/10 from 1,528 reviews) operates around 4 flights from Boston to Copenhagen in any given week. The average Air France airfare for this route is around $561, with deals from around $449 rare but found on momondo. Referenced prices are for round-trip Boston to Copenhagen flight searches in the last 72 hours.

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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Cheap flights from Boston to Copenhagen from $224

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 3/10. 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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How to get the cheapest flight ticket from Boston to Copenhagen

What is the cheapest month to fly to Copenhagen?

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

The cheapest day to depart from Boston to Copenhagen is on a Monday when prices can be found for as low as $610. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Boston to Copenhagen for around $721.

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

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?

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 January 2026, prices for Boston to Copenhagen flights are approximately 74% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Boston Logan Intl to Kastrup Copenhagen?

Icelandair is the most popular carrier operating from Boston Logan Intl to Kastrup Copenhagen

What airlines fly to Copenhagen?

How often are flights from Boston to Copenhagen delayed?

Historically, on average around 6% of flights between Boston and Copenhagen have experienced a delay on any given week. The average delay length over the past 12 months has been 106 minutes.

What is the most punctual flight time for Boston to Copenhagen flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Boston to Copenhagen flights?

According to our data, Scandinavian Airlines have had the least number of delays on this route over the last 12 months; with about 6% of their flights experiencing any sort of delay.

Which airport is the most popular layover for flights between Boston and Copenhagen?

Reykjavik (KEF) was the most common stop: 68% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Boston to Copenhagen?

Flights via Montreal (YUL) offer the lowest average round-trip price of $426.

Which layover airport has the shortest travel time from Boston to Copenhagen?

Flights connecting via Montreal (YUL) have the shortest average one-way travel time: 9h 50m.

Which layover airport has the shortest connection time from Boston to Copenhagen?

Lisbon (LIS) has the shortest average layover time for this route: 1h 23m.

When to book flights from Boston to Copenhagen

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

Fastest flight time

Direct flights

Airports in Copenhagen

How far is Boston Logan Intl to Kastrup Copenhagen by plane?

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

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?

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

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

Delta Flights From Boston to Copenhagen

Air France Flights From Boston to Copenhagen

Traveling to a place near Copenhagen?

Why use momondo?

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

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

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

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

An easier way to manage your Copenhagen trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down