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Cheap flights from the United States to Copenhagen from $138

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Copenhagen departing on 10/21. 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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Find the cheapest flights from the United States to Copenhagen

Recent round-trip flight deals from the United States to Copenhagen

Icelandair Logo
11:35 pm - 9:45 pmBOS-CPH
16h 10m1 stop
Icelandair Logo
2:05 pm - 6:50 pmCPH-BOS
10h 45m1 stop
$427Icelandair
Find Deal
Tue, Sep 23 - Fri, Oct 3
Scandinavian Airlines Logo
5:35 pm - 7:00 amBOS-CPH
7h 25mnonstop
Scandinavian Airlines Logo
1:15 pm - 3:50 pmCPH-BOS
8h 35mnonstop
$428Scandinavian Airlines
Find Deal
Thu, Nov 6 - Fri, Nov 14
Icelandair Logo
12:35 pm - 10:15 pmBOS-CPH
27h 40m1 stop
Icelandair Logo
11:05 pm - 10:00 pmCPH-BOS
28h 55m1 stop
$432Icelandair
Find Deal
Sun, Sep 21 - Mon, Sep 29
Scandinavian Airlines Logo
9:59 am - 8:40 amBOS-CPH
16h 41m1 stop
Scandinavian Airlines Logo
1:25 pm - 3:35 pmCPH-BOS
8h 10mnonstop
$433Scandinavian Airlines
Find Deal
Wed, Oct 15 - Thu, Oct 23
United Airlines Logo
6:30 pm - 7:10 amBOS-CPH
30h 40m1 stop
United Airlines Logo
12:45 pm - 2:15 pmCPH-BOS
31h 30m2 stops
$439United Airlines
Find Deal
Sat, Sep 20 - Wed, Sep 24
United Airlines Logo
9:50 pm - 2:05 pmBOS-CPH
10h 15m1 stop
United Airlines Logo
9:50 am - 8:20 pmCPH-BOS
16h 30m1 stop
$442United Airlines
Find Deal
Wed, Nov 5 - Tue, Nov 11
Delta Logo
7:19 am - 6:30 amSEA-CPH
14h 11m1 stop
Delta Logo
9:00 am - 10:22 pmCPH-SEA
22h 22m1 stop
$494Delta
Find Deal
Wed, Oct 15 - Thu, Oct 23
British Airways Logo
3:30 pm - 2:50 pmLAX-CPH
14h 20m1 stop
British Airways Logo
6:45 am - 6:30 pmCPH-LAX
20h 45m1 stop
$506British Airways
Find Deal
Mon, Feb 16 - Thu, Feb 26
Delta Logo
9:59 pm - 6:30 amSEA-CPH
23h 31m1 stop
Delta Logo
9:00 am - 11:54 pmCPH-SEA
23h 54m2 stops
$507Delta
Find Deal
Sat, Oct 11 - Wed, Oct 22
British Airways Logo
2:19 pm - 5:20 pmSEA-CPH
18h 01m2 stops
British Airways Logo
12:15 pm - 11:01 pmCPH-SEA
19h 46m2 stops
$519British Airways
Find Deal
Wed, Dec 3 - Thu, Dec 11

Scandinavian Airlines flights from United States to Copenhagen

Our best Scandinavian Airlines deals on United States to Copenhagen flight tickets
Scandinavian Airlines
Nov 6
BOS5:35 pmBoston Logan Intl
7h 25m
CPH7:00 amKastrup Copenhagen
Nov 14
CPH1:15 pmKastrup Copenhagen
8h 35m
BOS3:50 pmBoston Logan Intl
$428
Find similar
Scandinavian Airlines
Oct 15
BOS9:59 amBoston Logan Intl
16h 41m
1 stop
CPH8:40 amKastrup Copenhagen
Oct 23
CPH1:25 pmKastrup Copenhagen
8h 10m
BOS3:35 pmBoston Logan Intl
$433
Find similar
Scandinavian Airlines
Nov 23
BOS6:30 pmBoston Logan Intl
30h 40m
1 stop
CPH7:10 amKastrup Copenhagen
Nov 28
CPH1:15 pmKastrup Copenhagen
8h 35m
BOS3:50 pmBoston Logan Intl
$434
Find similar

Austrian Airlines flights from United States to Copenhagen

Our best Austrian Airlines deals on United States to Copenhagen flight tickets
Austrian Airlines
Nov 4
BOS6:25 pmBoston Logan Intl
16h 25m
1 stop
CPH4:50 pmKastrup Copenhagen
Nov 11
CPH7:00 amKastrup Copenhagen
13h 05m
1 stop
BOS2:05 pmBoston Logan Intl
$431
Find similar
Austrian Airlines
Nov 4
BOS1:30 pmBoston Logan Intl
21h 20m
2 stops
CPH4:50 pmKastrup Copenhagen
Nov 17
CPH9:50 amKastrup Copenhagen
34h 15m
1 stop
BOS2:05 pmBoston Logan Intl
$463
Find similar
Austrian Airlines
Nov 9
BOS6:25 pmBoston Logan Intl
16h 25m
1 stop
CPH4:50 pmKastrup Copenhagen
Nov 11
CPH8:05 pmKastrup Copenhagen
27h 10m
2 stops
BOS5:15 pmBoston Logan Intl
$468
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from United States 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 September 15, 2025.
Use the filters below to find and compare flights from the United States to Copenhagen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Tue 9/23

11:35 pm-9:45 pm

1 stop16h 10m

Kastrup Copenhagen

Fri 10/3

2:05 pm-6:50 pm

1 stop10h 45m

$427

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Thu 11/6

5:35 pm-7:00 am

Nonstop7h 25m

Kastrup Copenhagen

Fri 11/14

1:15 pm-3:50 pm

Nonstop8h 35m

$428

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Sun 9/21

12:35 pm-10:15 pm

1 stop27h 40m

Kastrup Copenhagen

Mon 9/29

11:05 pm-10:00 pm

1 stop28h 55m

$432

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Wed 10/15

9:59 am-8:40 am

1 stop16h 41m

Kastrup Copenhagen

Thu 10/23

1:25 pm-3:35 pm

Nonstop8h 10m

$433

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Sat 9/20

6:30 pm-7:10 am

1 stop30h 40m

Kastrup Copenhagen

Wed 9/24

12:45 pm-2:15 pm

2 stops31h 30m

$439

BostonCopenhagen

BOS - CPH

BOSCPH

Boston Logan Intl

Wed 11/5

9:50 pm-2:05 pm

1 stop10h 15m

Kastrup Copenhagen

Tue 11/11

9:50 am-8:20 pm

1 stop16h 30m

$442

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 10/15

7:19 am-6:30 am

1 stop14h 11m

Kastrup Copenhagen

Thu 10/23

9:00 am-10:22 pm

1 stop22h 22m

$494

Los AngelesCopenhagen

LAX - CPH

LAXCPH

Los Angeles

Mon 2/16

3:30 pm-2:50 pm

1 stop14h 20m

Kastrup Copenhagen

Thu 2/26

6:45 am-6:30 pm

1 stop20h 45m

$506

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sat 10/11

9:59 pm-6:30 am

1 stop23h 31m

Kastrup Copenhagen

Wed 10/22

9:00 am-11:54 pm

2 stops23h 54m

$507

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 12/3

2:19 pm-5:20 pm

2 stops18h 01m

Kastrup Copenhagen

Thu 12/11

12:15 pm-11:01 pm

2 stops19h 46m

$519

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 United States 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 United States is in March. Flight prices, which tend to average around $510, 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 January is also cheap. Prices for this month can be found on momondo for an average of $513.

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

The cheapest day to depart from United States to Copenhagen is on a Monday when prices can be found for as low as $581. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from United States to Copenhagen for around $667.

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

Flying to Copenhagen from United States in the morning is the least expensive time of day to depart. momondo users have found prices as low as $546 when looking at flights departing in the morning. Try not to purchase tickets in the afternoon because they tend to be around $619. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest United States to Kastrup Copenhagen flight route?

Fly from Miami to Kastrup Copenhagen for the best United States - 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 United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Copenhagen for around $616 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Copenhagen from United States for as low as $558 on momondo.

What cabin class options are available on United States to Kastrup Copenhagen flights?

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

Can stopping save me money on United States to Copenhagen flights?

You could potentially save up to 42% on your flight if you consider stops on a United States to Copenhagen flight.

Cheap United States to Copenhagen flight deals and tips

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

Best Price Found

$361

Fastest flight time

7h 25m

Direct flights

Every day

Airports in Copenhagen

1 airport
The best one-way flight to Copenhagen from United States in the past 72 hours is $361. The best round-trip flight deal from United States to Copenhagen found on momondo in the last 72 hours is $439.
The fastest flight from United States to Copenhagen takes 7h 25m
Direct flights go from United States to Copenhagen every day.
There is 1 airport near Copenhagen: Kastrup Copenhagen (CPH)
Search flight deals

  • When did momondo last update prices for flights from United States to Kastrup Copenhagen Airport?

    Prices for flights from United States to Kastrup Copenhagen Airport refresh daily.

  • How many operators does momondo search for flights from United States to Kastrup Copenhagen Airport?

  • How old do you have to be to fly from United States 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 United States to Kastrup Copenhagen Airport.

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

    The travel and health documents required for your trip to Kastrup Copenhagen Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Kastrup Copenhagen Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from United States to Copenhagen

Compare and see reviews for airlines that fly from United States to Copenhagen with momondo
Airline
Rating
Free Cancellation
Price
PLAYPriceFrom $291Free CancellationRating
7.0
103 reviews
Search PLAY flights
IcelandairPriceFrom $365Free CancellationRating
7.0
544 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $373Free CancellationRating
7.1
1,975 reviews
Search TAP AIR PORTUGAL flights
American AirlinesPriceFrom $416Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Scandinavian AirlinesPriceFrom $417Free CancellationRating
7.4
1,484 reviews
Search Scandinavian Airlines flights
Air CanadaPriceFrom $425Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
United AirlinesPriceFrom $433Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $434Free CancellationRating
7.3
3,968 reviews
Search Turkish Airlines flights
FinnairPriceFrom $436Free CancellationRating
7.6
1,323 reviews
Search Finnair flights
LufthansaPriceFrom $446Free CancellationRating
6.8
7,407 reviews
Search Lufthansa flights

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 United States to Copenhagen?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from United States to Copenhagen for you.

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

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

How can momondo help me find flights from United States to Copenhagen?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Copenhagen from United States.

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

Yes momondo offers price alerts on flights to Copenhagen from United States. 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.

An easier way to manage your Copenhagen trip

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