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

Finnair and British Airways 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.

£308 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.

11:50 - 20:50

CPH

SEA

18h 00m

2 stops

15:30 - 17:00

SEA

CPH

16h 30m

1 stop

£495Delta

Thu, 15 Oct - Sun, 14 Feb

11:50 - 20:50

CPH

SEA

18h 00m

2 stops

06:05 - 09:00

SEA

CPH

17h 55m

2 stops

£499Delta

Thu, 15 Oct - Sun, 14 Feb

06:00 - 22:05

CPH

SEA

25h 05m

2 stops

21:50 - 21:35

SEA

CPH

14h 45m

1 stop

£502Delta

Sat, 12 Sep - Tue, 29 Sep

09:25 - 16:35

CPH

SEA

16h 10m

1 stop

10:35 - 11:45

SEA

CPH

16h 10m

2 stops

£504Delta

Fri, 11 Sep - Wed, 23 Sep

15:00 - 20:10

CPH

SEA

14h 10m

1 stop

21:50 - 21:35

SEA

CPH

14h 45m

1 stop

£505Delta

Sat, 12 Sep - Tue, 29 Sep

06:00 - 22:05

CPH

SEA

25h 05m

2 stops

18:45 - 17:05

SEA

CPH

13h 20m

1 stop

£506Delta

Sat, 12 Sep - Wed, 23 Sep

06:00 - 22:05

CPH

SEA

25h 05m

2 stops

22:40 - 06:45

SEA

CPH

23h 05m

1 stop

£508Delta

Sat, 12 Sep - Sat, 26 Sep

15:00 - 20:10

CPH

SEA

14h 10m

1 stop

18:45 - 17:05

SEA

CPH

13h 20m

1 stop

£510Delta

Sat, 12 Sep - Wed, 23 Sep

06:00 - 11:47

CPH

SEA

14h 47m

1 stop

13:50 - 11:05

SEA

CPH

12h 15m

1 stop

£513Delta

Mon, 14 Sep - Sun, 27 Sep

13:55 - 20:36

CPH

SEA

15h 41m

1 stop

23:59 - 11:45

SEA

CPH

26h 46m

1 stop

£516Delta

Mon, 14 Sep - Sat, 26 Sep

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British Airways flights from Copenhagen to State of Washington

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

British Airways

13 Sept

CPH21:25Kastrup Copenhagen

30h 00m

1 stop

SEA18:25Seattle/Tacoma Intl

26 Sept

SEA20:20Seattle/Tacoma Intl

18h 05m

1 stop

CPH23:25Kastrup Copenhagen

£571

British Airways

12 Dec

CPH10:35Kastrup Copenhagen

21h 26m

2 stops

SEA23:01Seattle/Tacoma Intl

26 Dec

SEA13:52Seattle/Tacoma Intl

18h 48m

2 stops

CPH17:40Kastrup Copenhagen

£587

Cathay Pacific flights from Copenhagen to State of Washington

Our best Cathay Pacific deals on Copenhagen to State of Washington flight tickets

Cathay Pacific

12 Aug

CPH16:20Kastrup Copenhagen

38h 38m

3 stops

SEA21:58Seattle/Tacoma Intl

20 Aug

SEA12:25Seattle/Tacoma Intl

37h 40m

2 stops

CPH11:05Kastrup Copenhagen

£11,921

Cathay Pacific

12 Aug

CPH16:20Kastrup Copenhagen

38h 38m

3 stops

SEA21:58Seattle/Tacoma Intl

20 Aug

SEA08:40Seattle/Tacoma Intl

41h 25m

3 stops

CPH11:05Kastrup Copenhagen

£11,928

Cathay Pacific

12 Aug

CPH16:20Kastrup Copenhagen

38h 38m

3 stops

SEA21:58Seattle/Tacoma Intl

20 Aug

SEA08:40Seattle/Tacoma Intl

41h 25m

3 stops

CPH11:05Kastrup Copenhagen

£11,933

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Thu 15/10

11:50-20:50

2 stops18h 00m

Seattle/Tacoma Intl

Sun 14/2

15:30-17:00

1 stop16h 30m

£495

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Thu 15/10

11:50-20:50

2 stops18h 00m

Seattle/Tacoma Intl

Sun 14/2

06:05-09:00

2 stops17h 55m

£499

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Sat 12/9

06:00-22:05

2 stops25h 05m

Seattle/Tacoma Intl

Tue 29/9

21:50-21:35

1 stop14h 45m

£502

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Fri 11/9

09:25-16:35

1 stop16h 10m

Seattle/Tacoma Intl

Wed 23/9

10:35-11:45

2 stops16h 10m

£504

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Sat 12/9

15:00-20:10

1 stop14h 10m

Seattle/Tacoma Intl

Tue 29/9

21:50-21:35

1 stop14h 45m

£505

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Sat 12/9

06:00-22:05

2 stops25h 05m

Seattle/Tacoma Intl

Wed 23/9

18:45-17:05

1 stop13h 20m

£506

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Sat 12/9

06:00-22:05

2 stops25h 05m

Seattle/Tacoma Intl

Sat 26/9

22:40-06:45

1 stop23h 05m

£508

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Sat 12/9

15:00-20:10

1 stop14h 10m

Seattle/Tacoma Intl

Wed 23/9

18:45-17:05

1 stop13h 20m

£510

Fastest return journey

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Mon 14/9

06:00-11:47

1 stop14h 47m

Seattle/Tacoma Intl

Sun 27/9

13:50-11:05

1 stop12h 15m

£513

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Mon 14/9

13:55-20:36

1 stop15h 41m

Seattle/Tacoma Intl

Sat 26/9

23:59-11:45

1 stop26h 46m

£516

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 £521 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 99.26% of the total bookings. Other popular models include Airbus A330-300 with 0.74%.

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.