What is the cheapest airline that flies from Kastrup Copenhagen to Washington?

Finnair and Turkish Airlines are the most popular carriers operating from Kastrup Copenhagen to Washington

When did momondo last update prices for flights from Kastrup Copenhagen Airport to Washington?

Prices for flights from Kastrup Copenhagen Airport to Washington were last updated today.

How old do you have to be to fly from Kastrup Copenhagen Airport to Washington?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kastrup Copenhagen Airport to Washington.

What documentation or ID do you need to fly to Washington?

The travel and health documents you'll need for your trip to Washington 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 Washington. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£327 Cheap Flights from Copenhagen to Washington in 2026

Find the cheapest flights from Copenhagen to Washington

Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

22:35 - 11:45CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

22h 10m1 stop Reykjavik Keflavik Intl

15:40 - 15:55SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

15h 15m1 stop Reykjavik Keflavik Intl

£416Icelandair

Tue, 8 Sep - Sun, 11 Oct

07:20 - 11:45CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

13h 25m1 stop Reykjavik Keflavik Intl

19:00 - 12:55SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

32h 55m1 stop Reykjavik Keflavik Intl

£435Icelandair

Fri, 4 Sep - Sat, 17 Oct

08:50 - 16:00CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

16h 10m1 stop Helsinki-Vantaa

13:30 - 23:25SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

24h 55m1 stop London Heathrow

£438British Airways

Sat, 26 Sep - Fri, 9 Oct

08:15 - 17:00CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

17h 45m1 stop Reykjavik Keflavik Intl

14:35 - 20:35SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

21h 00m1 stop Reykjavik Keflavik Intl

£439Icelandair

Tue, 24 Nov - Wed, 23 Dec

17:05 - 17:00CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

32h 55m1 stop Reykjavik Keflavik Intl

14:35 - 20:35SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

21h 00m1 stop Reykjavik Keflavik Intl

£441Icelandair

Mon, 30 Nov - Wed, 23 Dec

15:20 - 22:56CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

16h 36m1 stop Philadelphia

08:24 - 20:50SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

27h 26m2 stops Philadelphia London Heathrow

£444British Airways

Sun, 6 Sep - Sun, 11 Oct

08:50 - 19:48CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

19h 58m2 stops Helsinki-Vantaa Dallas/Fort Worth

15:14 - 16:50SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

16h 36m2 stops Chicago O'Hare Intl London Heathrow

£447British Airways

Thu, 1 Oct - Mon, 5 Oct

08:50 - 19:48CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

19h 58m2 stops Helsinki-Vantaa Dallas/Fort Worth

20:20 - 19:55SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

14h 35m1 stop London Heathrow

£449British Airways

Thu, 1 Oct - Mon, 5 Oct

07:20 - 18:25CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

20h 05m1 stop London Heathrow

15:14 - 17:50SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

18h 36m2 stops Chicago O'Hare Intl London Heathrow

£449British Airways

Wed, 21 Oct - Sun, 25 Oct

20:05 - 16:50CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

29h 45m1 stop London Heathrow

18:45 - 17:05SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

13h 20m1 stop London Heathrow

£450British Airways

Wed, 25 Nov - Tue, 22 Dec

Cheap last-minute flights

Enter your travel dates to find the best prices.

15:20 - 22:56CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

16h 36m1 stop Philadelphia

13:30 - 20:50SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

22h 20m1 stop London Heathrow

£589Multiple Airlines

Sun, 30 Aug - Sun, 13 Sep

06:00 - 11:37CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

14h 37m1 stop Amsterdam Schiphol

08:59 - 11:25SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

17h 26m2 stops Minneapolis St Paul Paris Charles de Gaulle

£676Delta

Wed, 26 Aug - Mon, 7 Sep

09:25 - 16:27CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

16h 02m1 stop Amsterdam Schiphol

09:35 - 11:05SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

16h 30m2 stops Portland Amsterdam Schiphol

£680Delta

Wed, 26 Aug - Wed, 2 Sep

06:00 - 19:03CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

22h 03m2 stops Amsterdam Schiphol Vancouver Intl

10:40 - 11:05SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

15h 25m2 stops Portland Amsterdam Schiphol

£681Delta

Wed, 26 Aug - Wed, 2 Sep

10:10 - 20:45CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

19h 35m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

07:00 - 08:55SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

16h 55m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

£695United Airlines

Sat, 29 Aug - Tue, 1 Sep

06:10 - 11:55CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

14h 45m1 stop Frankfurt am Main

08:00 - 10:50SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

17h 50m1 stop Toronto Pearson Intl

£696United Airlines

Thu, 27 Aug - Thu, 3 Sep

07:20 - 11:45CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

13h 25m1 stop Reykjavik Keflavik Intl

19:00 - 15:55SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

11h 55m1 stop Reykjavik Keflavik Intl

£698Icelandair

Sun, 30 Aug - Fri, 4 Sep

12:45 - 21:57CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

18h 12m1 stop Toronto Pearson Intl

07:00 - 08:55SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

16h 55m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

£703United Airlines

Sat, 29 Aug - Tue, 1 Sep

12:15 - 14:52CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

35h 37m3 stops Montreal Pierre Elliott Trudeau Intl Washington, D.C. Dulles Intl Houston George Bush Intcntl

07:11 - 18:15SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

26h 04m2 stops San Francisco Frankfurt am Main

£704United Airlines

Wed, 26 Aug - Wed, 2 Sep

06:00 - 11:37CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

14h 37m1 stop Amsterdam Schiphol

15:55 - 10:10SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

9h 15mdirect

£964Multiple Airlines

Wed, 26 Aug - Tue, 1 Sep

Cheap direct flights

Enter your travel dates to find the best prices.

13:05 - 13:45CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

9h 40mdirect

15:55 - 10:10SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

9h 15mdirect

£558Scandinavian Airlines

Sat, 26 Sep - Fri, 9 Oct

13:05 - 13:45CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

9h 40mdirect

15:55 - 10:10SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

9h 15mdirect

£591Scandinavian Airlines

Sat, 5 Sep - Sun, 11 Oct

13:05 - 13:45CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

9h 40mdirect

15:55 - 10:10SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

9h 15mdirect

£612Scandinavian Airlines

Fri, 4 Sep - Sun, 11 Oct

13:05 - 13:45CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

9h 40mdirect

15:55 - 10:10SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

9h 15mdirect

£659Scandinavian Airlines

Sat, 12 Sep - Sat, 26 Sep

13:05 - 13:45CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

9h 40mdirect

15:55 - 10:10SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

9h 15mdirect

£749Scandinavian Airlines

Sun, 11 Oct - Sun, 11 Oct

13:05 - 13:45CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

9h 40mdirect

15:55 - 10:10SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

9h 15mdirect

£953Delta

Fri, 18 Sep - Fri, 2 Oct

13:05 - 13:45CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

9h 40mdirect

15:55 - 10:10SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

9h 15mdirect

£955Delta

Sat, 26 Sep - Fri, 9 Oct

13:05 - 13:45CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

9h 40mdirect

15:55 - 10:10SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

9h 15mdirect

£961Delta

Sun, 27 Sep - Sat, 10 Oct

13:05 - 13:45CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

9h 40mdirect

15:55 - 10:10SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

9h 15mdirect

£985Delta

Tue, 22 Sep - Tue, 29 Sep

13:05 - 13:45CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

9h 40mdirect

15:55 - 10:10SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

9h 15mdirect

£1,467Scandinavian Airlines

Sun, 13 Sep - Fri, 25 Sep

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Icelandair flights from Copenhagen to State of Washington

Our best Icelandair deals on Copenhagen to State of Washington flight tickets

Icelandair

8 Sept

CPH22:35Kastrup Copenhagen

22h 10m

1 stop

SEA11:45Seattle/Tacoma Intl

12 Oct

SEA15:40Seattle/Tacoma Intl

12h 15m

1 stop

CPH12:55Kastrup Copenhagen

£416

Icelandair

4 Sept

CPH07:20Kastrup Copenhagen

13h 25m

1 stop

SEA11:45Seattle/Tacoma Intl

17 Oct

SEA19:00Seattle/Tacoma Intl

32h 55m

1 stop

CPH12:55Kastrup Copenhagen

£435

Icelandair

24 Nov

CPH08:15Kastrup Copenhagen

17h 45m

1 stop

SEA17:00Seattle/Tacoma Intl

23 Dec

SEA14:35Seattle/Tacoma Intl

21h 00m

1 stop

CPH20:35Kastrup Copenhagen

£439

British Airways flights from Copenhagen to State of Washington

Our best British Airways deals on Copenhagen to State of Washington flight tickets

British Airways

26 Sept

CPH08:50Kastrup Copenhagen

16h 10m

1 stop

SEA16:00Seattle/Tacoma Intl

9 Oct

SEA13:30Seattle/Tacoma Intl

24h 55m

1 stop

CPH23:25Kastrup Copenhagen

£438

British Airways

6 Sept

CPH15:20Kastrup Copenhagen

16h 36m

1 stop

SEA22:56Seattle/Tacoma Intl

13 Oct

SEA20:20Seattle/Tacoma Intl

17h 50m

1 stop

CPH23:10Kastrup Copenhagen

£444

British Airways

1 Oct

CPH08:50Kastrup Copenhagen

19h 58m

2 stops

SEA19:48Seattle/Tacoma Intl

5 Oct

SEA15:14Seattle/Tacoma Intl

16h 36m

2 stops

CPH16:50Kastrup Copenhagen

£447

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Tue 8/9

22:35-11:45

1 stop22h 10m

Seattle/Tacoma Intl

Sun 11/10

15:40-15:55

1 stop15h 15m

£416

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Fri 4/9

07:20-11:45

1 stop13h 25m

Seattle/Tacoma Intl

Sat 17/10

19:00-12:55

1 stop32h 55m

£435

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Sat 26/9

08:50-16:00

1 stop16h 10m

Seattle/Tacoma Intl

Fri 9/10

13:30-23:25

1 stop24h 55m

£438

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Tue 24/11

08:15-17:00

1 stop17h 45m

Seattle/Tacoma Intl

Wed 23/12

14:35-20:35

1 stop21h 00m

£439

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Mon 30/11

17:05-17:00

1 stop32h 55m

Seattle/Tacoma Intl

Wed 23/12

14:35-20:35

1 stop21h 00m

£441

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Sun 6/9

15:20-22:56

1 stop16h 36m

Seattle/Tacoma Intl

Sun 11/10

08:24-20:50

2 stops27h 26m

£444

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Thu 1/10

08:50-19:48

2 stops19h 58m

Seattle/Tacoma Intl

Mon 5/10

15:14-16:50

2 stops16h 36m

£447

Fastest return journey

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Thu 1/10

08:50-19:48

2 stops19h 58m

Seattle/Tacoma Intl

Mon 5/10

20:20-19:55

1 stop14h 35m

£449

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Wed 21/10

07:20-18:25

1 stop20h 05m

Seattle/Tacoma Intl

Sun 25/10

15:14-17:50

2 stops18h 36m

£449

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Wed 25/11

20:05-16:50

1 stop29h 45m

Seattle/Tacoma Intl

Tue 22/12

18:45-17:05

1 stop13h 20m

£450

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Copenhagen to State of Washington

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

What is the cheapest month to fly to State of Washington?

If you aren’t able to travel to State of Washington during the month of November, then flying in January is also cheap. Prices for this month can be found on momondo for an average of £430.

What is the cheapest Kastrup Copenhagen to Washington flight route?

Fly from Kastrup Copenhagen to Seattle/Tacoma Intl for the best Kastrup Copenhagen - Washington flight prices

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

You are more likely to see cheaper flights to State of Washington from Copenhagen when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around £520 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Copenhagen for as low as £478 on momondo.

What cabin class options are available on Copenhagen to State of Washington flights?

There are 2 cabin classes available to choose from on Copenhagen to State of Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Copenhagen to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Copenhagen to State of Washington

Best price found	£327
Fastest flight time	9h 40m
Direct flights	Mon, Wed, Sat and Sun
Airports in State of Washington	96 airports

The best one-way flight to State of Washington from Copenhagen in the past 72 hours is £327. The best return flight deal from Copenhagen to State of Washington found on momondo in the last 72 hours is £416.

The fastest flight from Copenhagen to State of Washington takes 9h 40m

Direct flights go from Copenhagen to State of Washington on Monday, Wednesday, Saturday and Sunday. There are no airlines offering direct flights..

There are 96 airports in State of Washington. From Copenhagen there are direct flights to Seattle/Tacoma Intl (SEA).

Search flight deals

Frequently asked questions about flying from Copenhagen to Washington

When did momondo last update prices for flights from Kastrup Copenhagen Airport to Washington?
Prices for flights from Kastrup Copenhagen Airport to Washington were last updated today.
How old do you have to be to fly from Kastrup Copenhagen Airport to Washington?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kastrup Copenhagen Airport to Washington.
What documentation or ID do you need to fly to Washington?
The travel and health documents you'll need for your trip to Washington 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 Washington. 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 Copenhagen to State of Washington?
Based on momondo bookings for flights between Copenhagen and State of Washington, the leading plane model is Airbus A350-900, making up 98.84% of the total bookings. Other popular models include Airbus A330-300 with 1.16%.

Why use momondo?

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

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 Copenhagen to Washington for you.

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

momondo does allow users to show only those flights to Washington from Copenhagen which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Washington from Copenhagen. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Washington from Copenhagen are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.