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

Finnair is the most popular carrier 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.

£315 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.

09:25 - 20:35CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

20h 10m2 stops Amsterdam Schiphol Chicago O'Hare Intl

21:50 - 21:35SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

14h 45m1 stop London Heathrow

£472Delta

Wed, 26 Aug - Mon, 7 Sep

09:25 - 20:35CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

20h 10m2 stops Amsterdam Schiphol Chicago O'Hare Intl

21:50 - 21:35SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

14h 45m1 stop London Heathrow

£473Delta

Wed, 26 Aug - Mon, 7 Sep

09:25 - 20:35CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

20h 10m2 stops Amsterdam Schiphol Chicago O'Hare Intl

21:50 - 21:35SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

14h 45m1 stop London Heathrow

£474Delta

Wed, 26 Aug - Mon, 7 Sep

11:50 - 16:35CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

13h 45m1 stop Amsterdam Schiphol

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

13h 20m1 stop Paris Charles de Gaulle

£482Delta

Tue, 15 Sep - Thu, 24 Sep

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

16h 10m1 stop Helsinki-Vantaa

13:30 - 19:55SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

21h 25m1 stop London Heathrow

£487Multiple Airlines

Mon, 7 Sep - Mon, 14 Sep

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

14h 37m1 stop Amsterdam Schiphol

13:50 - 11:05SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

12h 15m1 stop Amsterdam Schiphol

£493KLM

Sun, 30 Aug - Thu, 10 Sep

11:50 - 16:35CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

13h 45m1 stop Amsterdam Schiphol

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

15h 00m1 stop Paris Charles de Gaulle

£494Delta

Wed, 2 Sep - Thu, 17 Sep

10:30 - 16:50CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

15h 20m1 stop London Heathrow

13:57 - 17:40SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

18h 43m2 stops Dallas/Fort Worth London Heathrow

£498British Airways

Tue, 2 Feb - Sat, 27 Feb

09:25 - 20:35CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

20h 10m2 stops Amsterdam Schiphol Chicago O'Hare Intl

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

15h 00m1 stop Paris Charles de Gaulle

£498Delta

Wed, 2 Sep - Thu, 17 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

£499Icelandair

Tue, 1 Sep - Thu, 24 Sep

Cheap last-minute flights

Enter your travel dates to find the best prices.

11:30 - 22:05CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

19h 35m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

23:59 - 11:45SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

26h 46m1 stop Minneapolis St Paul

£599Delta

Wed, 12 Aug - Thu, 20 Aug

11:30 - 22:05CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

19h 35m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

18:40 - 18:45SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

15h 05m1 stop Paris Charles de Gaulle

£605Delta

Wed, 12 Aug - Thu, 20 Aug

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

£1,036Delta

Sat, 8 Aug - Sun, 23 Aug

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

9h 40mdirect

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

9h 15mdirect

£1,050Scandinavian Airlines

Sat, 8 Aug - Sat, 15 Aug

16:55 - 20:40CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

12h 45m1 stop Reykjavik Keflavik Intl

15:40 - 12:55SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

12h 15m1 stop Reykjavik Keflavik Intl

£1,079Icelandair

Sat, 8 Aug - Sat, 15 Aug

06:50 - 16:31CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

42h 41m3 stops Brussels Bruxelles-National Hong Kong Intl San Francisco

07:18 - 11:05SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

42h 47m3 stops San Francisco Hong Kong Intl Brussels Bruxelles-National

£12,176Cathay Pacific

Sat, 8 Aug - Sun, 23 Aug

16:20 - 21:58CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

38h 38m3 stops London Heathrow Hong Kong Intl Los Angeles Los Angeles

12:25 - 11:05SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

37h 40m2 stops Hong Kong Intl Brussels Bruxelles-National

£12,271Cathay Pacific

Wed, 12 Aug - Thu, 20 Aug

16:20 - 21:58CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

38h 38m3 stops London Heathrow Hong Kong Intl Los Angeles Los Angeles

21:25 - 23:25SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

41h 00m3 stops San Francisco Hong Kong Intl London Heathrow

£12,277Multiple Airlines

Wed, 12 Aug - Thu, 20 Aug

16:20 - 21:58CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

38h 38m3 stops London Heathrow Hong Kong Intl Los Angeles Los Angeles

21:25 - 23:25SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

41h 00m3 stops San Francisco Hong Kong Intl London Heathrow

£12,279Multiple Airlines

Wed, 12 Aug - Thu, 20 Aug

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

£510Scandinavian Airlines

Fri, 4 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

£521Scandinavian Airlines

Fri, 2 Oct - Sun, 4 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

£558Scandinavian Airlines

Sat, 5 Sep - Tue, 22 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

£581Scandinavian Airlines

Tue, 1 Sep - Fri, 25 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

£601Scandinavian Airlines

Sun, 30 Aug - Sun, 27 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

£738Scandinavian Airlines

Fri, 2 Oct - Sat, 3 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

£936Delta

Fri, 4 Sep - Sat, 19 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

£938Delta

Fri, 25 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

£938Delta

Fri, 25 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

£3,236Scandinavian Airlines

Fri, 11 Sep - Fri, 25 Sep

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

KLM flights from Copenhagen to State of Washington

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

KLM

30 Aug

CPH06:00Kastrup Copenhagen

14h 37m

1 stop

SEA11:37Seattle/Tacoma Intl

10 Sept

SEA13:50Seattle/Tacoma Intl

12h 15m

1 stop

CPH11:05Kastrup Copenhagen

£493

KLM

30 Aug

CPH06:00Kastrup Copenhagen

14h 37m

1 stop

SEA11:37Seattle/Tacoma Intl

11 Sept

SEA07:15Seattle/Tacoma Intl

14h 30m

1 stop

CPH06:45Kastrup Copenhagen

£507

Icelandair flights from Copenhagen to State of Washington

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

Icelandair

1 Sept

CPH07:20Kastrup Copenhagen

13h 25m

1 stop

SEA11:45Seattle/Tacoma Intl

24 Sept

SEA19:00Seattle/Tacoma Intl

11h 55m

1 stop

CPH15:55Kastrup Copenhagen

£499

Icelandair

31 Aug

CPH07:20Kastrup Copenhagen

13h 25m

1 stop

SEA11:45Seattle/Tacoma Intl

27 Sept

SEA19:00Seattle/Tacoma Intl

11h 55m

1 stop

CPH15:55Kastrup Copenhagen

£576

Icelandair

30 Aug

CPH07:20Kastrup Copenhagen

13h 25m

1 stop

SEA11:45Seattle/Tacoma Intl

25 Sept

SEA15:40Seattle/Tacoma Intl

15h 15m

1 stop

CPH15:55Kastrup Copenhagen

£622

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Wed 26/8

09:25-20:35

2 stops20h 10m

Seattle/Tacoma Intl

Mon 7/9

21:50-21:35

1 stop14h 45m

£472

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Wed 26/8

09:25-20:35

2 stops20h 10m

Seattle/Tacoma Intl

Mon 7/9

21:50-21:35

1 stop14h 45m

£473

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Wed 26/8

09:25-20:35

2 stops20h 10m

Seattle/Tacoma Intl

Mon 7/9

21:50-21:35

1 stop14h 45m

£474

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Tue 15/9

11:50-16:35

1 stop13h 45m

Seattle/Tacoma Intl

Thu 24/9

18:45-17:05

1 stop13h 20m

£482

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Mon 7/9

08:50-16:00

1 stop16h 10m

Seattle/Tacoma Intl

Mon 14/9

13:30-19:55

1 stop21h 25m

£487

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Sun 30/8

06:00-11:37

1 stop14h 37m

Seattle/Tacoma Intl

Thu 10/9

13:50-11:05

1 stop12h 15m

£493

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Wed 2/9

11:50-16:35

1 stop13h 45m

Seattle/Tacoma Intl

Thu 17/9

18:45-18:45

1 stop15h 00m

£494

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Tue 2/2

10:30-16:50

1 stop15h 20m

Seattle/Tacoma Intl

Sat 27/2

13:57-17:40

2 stops18h 43m

£498

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Wed 2/9

09:25-20:35

2 stops20h 10m

Seattle/Tacoma Intl

Thu 17/9

18:45-18:45

1 stop15h 00m

£498

Fastest return journey

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Tue 1/9

07:20-11:45

1 stop13h 25m

Seattle/Tacoma Intl

Thu 24/9

19:00-15:55

1 stop11h 55m

£499

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 £432.

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 £522 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 £489 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	£749
Fastest flight time	9h 40m
Direct flights	Mon, Wed, Sat and Sun
Airports in State of Washington	96 airports

The best flight deal from Copenhagen to State of Washington found on momondo in the last 72 hours is £749

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 99.20% of the total bookings. Other popular models include Airbus A330-300 with 0.80%.

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.