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

Delta and KLM 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.

£329 Cheap Flights from Copenhagen to Washington in 2026/27

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.

08:15 - 18:00CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

17h 45m1 stop Reykjavik Keflavik Intl

14:35 - 11:45SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

12h 10m1 stop Reykjavik Keflavik Intl

£454Icelandair

Thu, 29 Oct - Thu, 5 Nov

14:00 - 17:55CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

12h 55m1 stop Reykjavik Keflavik Intl

19:10 - 20:35SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

17h 25m1 stop Reykjavik Keflavik Intl

£469Icelandair

Wed, 21 Oct - Sun, 25 Oct

14:00 - 17:55CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

12h 55m1 stop Reykjavik Keflavik Intl

19:10 - 20:35SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

17h 25m1 stop Reykjavik Keflavik Intl

£470Icelandair

Wed, 21 Oct - Sun, 25 Oct

14:00 - 17:55CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

12h 55m1 stop Reykjavik Keflavik Intl

19:10 - 20:35SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

17h 25m1 stop Reykjavik Keflavik Intl

£471Icelandair

Wed, 21 Oct - Sun, 25 Oct

14:00 - 17:55CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

12h 55m1 stop Reykjavik Keflavik Intl

19:10 - 20:35SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

17h 25m1 stop Reykjavik Keflavik Intl

£472Icelandair

Wed, 21 Oct - Sun, 25 Oct

08:50 - 00:36CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

24h 46m2 stops Helsinki-Vantaa Chicago O'Hare Intl

18:45 - 21:40SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

17h 55m1 stop London Heathrow

£475Multiple Airlines

Mon, 19 Oct - Mon, 2 Nov

08:55 - 00:36CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

23h 41m2 stops Helsinki-Vantaa Chicago O'Hare Intl

18:45 - 22:45SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

19h 00m1 stop London Heathrow

£476Multiple Airlines

Thu, 29 Oct - Thu, 5 Nov

08:55 - 19:57CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

20h 02m2 stops Helsinki-Vantaa Dallas/Fort Worth

10:25 - 14:20SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

18h 55m2 stops Chicago O'Hare Intl London Heathrow

£478British Airways

Thu, 5 Nov - Sat, 30 Jan

08:55 - 21:57CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

21h 02m2 stops Helsinki-Vantaa Dallas/Fort Worth

14:07 - 17:20SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

18h 13m2 stops Dallas/Fort Worth London Heathrow

£478British Airways

Thu, 29 Oct - Thu, 5 Nov

12:25 - 00:36CPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

21h 11m2 stops Helsinki-Vantaa Chicago O'Hare Intl

18:45 - 23:55SEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

20h 10m2 stops London Heathrow Helsinki-Vantaa

£481Finnair

Mon, 19 Oct - Mon, 2 Nov

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Delta flights from Copenhagen to State of Washington

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

Delta

30 Sept

CPH06:00Kastrup Copenhagen

19h 35m

1 stop

SEA16:35Seattle/Tacoma Intl

5 Oct

SEA07:15Seattle/Tacoma Intl

18h 50m

2 stops

CPH11:05Kastrup Copenhagen

£523

Delta

30 Sept

CPH11:50Kastrup Copenhagen

17h 46m

2 stops

SEA20:36Seattle/Tacoma Intl

5 Oct

SEA07:15Seattle/Tacoma Intl

16h 15m

2 stops

CPH08:30Kastrup Copenhagen

£527

Delta

25 Sept

CPH09:00Kastrup Copenhagen

23h 20m

1 stop

SEA23:20Seattle/Tacoma Intl

9 Oct

SEA17:45Seattle/Tacoma Intl

13h 00m

1 stop

CPH15:45Kastrup Copenhagen

£535

United Airlines flights from Copenhagen to State of Washington

Our best United Airlines deals on Copenhagen to State of Washington flight tickets

United Airlines

16 Oct

CPH06:30Kastrup Copenhagen

36h 35m

2 stops

SEA10:05Seattle/Tacoma Intl

23 Oct

SEA07:00Seattle/Tacoma Intl

22h 10m

2 stops

CPH14:10Kastrup Copenhagen

£544

United Airlines

2 Oct

CPH06:30Kastrup Copenhagen

14h 50m

1 stop

SEA12:20Seattle/Tacoma Intl

9 Oct

SEA23:13Seattle/Tacoma Intl

25h 02m

2 stops

CPH09:15Kastrup Copenhagen

£550

United Airlines

2 Oct

CPH06:30Kastrup Copenhagen

14h 50m

1 stop

SEA12:20Seattle/Tacoma Intl

9 Oct

SEA23:13Seattle/Tacoma Intl

25h 02m

2 stops

CPH09:15Kastrup Copenhagen

£551

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

Fastest return journey

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Thu 29/10

08:15-18:00

1 stop17h 45m

Seattle/Tacoma Intl

Thu 5/11

14:35-11:45

1 stop12h 10m

£454

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Wed 21/10

14:00-17:55

1 stop12h 55m

Seattle/Tacoma Intl

Sun 25/10

19:10-20:35

1 stop17h 25m

£469

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Wed 21/10

14:00-17:55

1 stop12h 55m

Seattle/Tacoma Intl

Sun 25/10

19:10-20:35

1 stop17h 25m

£470

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Wed 21/10

14:00-17:55

1 stop12h 55m

Seattle/Tacoma Intl

Sun 25/10

19:10-20:35

1 stop17h 25m

£471

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Wed 21/10

14:00-17:55

1 stop12h 55m

Seattle/Tacoma Intl

Sun 25/10

19:10-20:35

1 stop17h 25m

£472

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Mon 19/10

08:50-00:36

2 stops24h 46m

Seattle/Tacoma Intl

Mon 2/11

18:45-21:40

1 stop17h 55m

£475

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Thu 29/10

08:55-00:36

2 stops23h 41m

Seattle/Tacoma Intl

Thu 5/11

18:45-22:45

1 stop19h 00m

£476

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Thu 5/11

08:55-19:57

2 stops20h 02m

Seattle/Tacoma Intl

Sat 30/1

10:25-14:20

2 stops18h 55m

£478

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Thu 29/10

08:55-21:57

2 stops21h 02m

Seattle/Tacoma Intl

Thu 5/11

14:07-17:20

2 stops18h 13m

£478

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Mon 19/10

12:25-00:36

2 stops21h 11m

Seattle/Tacoma Intl

Mon 2/11

18:45-23:55

2 stops20h 10m

£481

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 £435.

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 £534 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 £498 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	£329
Fastest flight time	9h 40m
Direct flights	Mon, Wed and Sat
Airports in State of Washington	96 airports

The best one-way flight to State of Washington from Copenhagen in the past 72 hours is £329. The best return flight deal from Copenhagen to State of Washington found on momondo in the last 72 hours is £454.

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

Direct flights go from Copenhagen to State of Washington on Monday, Wednesday and Saturday. 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 97.85% of the total bookings. Other popular models include Airbus A330-300 with 2.15%.

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.