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Cheap flights from Copenhagen to Washington from £259

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Copenhagen to Washington departing on 23/3. 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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0 bags
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Cheap return flights

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Multiple Airlines Logo
06:05 - 19:18
CPH
-
SEA
22h 13m2 stops
Multiple Airlines Logo
18:50 - 21:45
SEA
-
CPH
17h 55m1 stop
£427Multiple Airlines
Sun, 25 Jan - Sun, 1 Feb
Delta Logo
09:55 - 23:15
CPH
-
SEA
22h 20m2 stops
Delta Logo
20:25 - 19:55
SEA
-
CPH
14h 30m1 stop
£428Delta
Mon, 9 Feb - Thu, 30 Apr
Finnair Logo
08:40 - 19:18
CPH
-
SEA
19h 38m2 stops
Finnair Logo
18:50 - 23:55
SEA
-
CPH
20h 05m2 stops
£432Finnair
Sun, 25 Jan - Sun, 1 Feb
Delta Logo
09:55 - 22:25
CPH
-
SEA
21h 30m2 stops
Delta Logo
09:30 - 14:00
SEA
-
CPH
19h 30m2 stops
£436Delta
Mon, 9 Feb - Thu, 30 Apr
Delta Logo
14:15 - 11:50
CPH
-
SEA
30h 35m1 stop
Delta Logo
12:25 - 14:40
SEA
-
CPH
17h 15m2 stops
£441Delta
Mon, 12 Jan - Sun, 25 Jan
Delta Logo
10:15 - 22:25
CPH
-
SEA
21h 10m2 stops
Delta Logo
12:25 - 14:40
SEA
-
CPH
17h 15m2 stops
£450Delta
Mon, 12 Jan - Sun, 25 Jan
Delta Logo
14:15 - 11:50
CPH
-
SEA
30h 35m1 stop
Delta Logo
16:45 - 13:10
SEA
-
CPH
35h 25m1 stop
£450Delta
Mon, 12 Jan - Sun, 25 Jan
United Airlines Logo
10:10 - 20:57
CPH
-
SEA
19h 47m2 stops
United Airlines Logo
08:40 - 14:05
SEA
-
CPH
20h 25m3 stops
£465United Airlines
Thu, 15 Jan - Wed, 28 Jan
United Airlines Logo
06:50 - 22:59
CPH
-
SEA
25h 09m2 stops
United Airlines Logo
08:10 - 12:25
SEA
-
CPH
19h 15m2 stops
£467United Airlines
Tue, 20 Jan - Sat, 24 Jan
United Airlines Logo
06:50 - 22:59
CPH
-
SEA
25h 09m2 stops
United Airlines Logo
14:00 - 13:45
SEA
-
CPH
14h 45m1 stop
£468United Airlines
Tue, 20 Jan - Sat, 24 Jan

United Airlines flights from Copenhagen to State of Washington

Our best United Airlines deals on Copenhagen to State of Washington flight tickets
United Airlines
15 Jan
CPH10:10Kastrup Copenhagen
19h 47m
2 stops
SEA20:57Seattle/Tacoma Intl
28 Jan
SEA08:40Seattle/Tacoma Intl
20h 25m
3 stops
CPH14:05Kastrup Copenhagen
£465
Find similar
United Airlines
20 Jan
CPH06:50Kastrup Copenhagen
25h 09m
2 stops
SEA22:59Seattle/Tacoma Intl
24 Jan
SEA08:10Seattle/Tacoma Intl
19h 15m
2 stops
CPH12:25Kastrup Copenhagen
£467
Find similar
United Airlines
20 Jan
CPH06:50Kastrup Copenhagen
25h 09m
2 stops
SEA22:59Seattle/Tacoma Intl
24 Jan
SEA14:00Seattle/Tacoma Intl
14h 45m
1 stop
CPH13:45Kastrup Copenhagen
£468
Find similar

Ethiopian Air flights from Copenhagen to State of Washington

Our best Ethiopian Air deals on Copenhagen to State of Washington flight tickets
Ethiopian Air
9 Feb
CPH19:50Kastrup Copenhagen
58h 07m
4 stops
SEA20:57Seattle/Tacoma Intl
30 Apr
SEA08:00Seattle/Tacoma Intl
39h 40m
4 stops
CPH08:40Kastrup Copenhagen
£2,318
Find similar
Ethiopian Air
7 Feb
CPH19:50Kastrup Copenhagen
58h 07m
4 stops
SEA20:57Seattle/Tacoma Intl
14 Feb
SEA08:17Seattle/Tacoma Intl
39h 33m
4 stops
CPH08:50Kastrup Copenhagen
£2,321
Find similar
Ethiopian Air
17 Dec
CPH19:50Kastrup Copenhagen
58h 07m
4 stops
SEA20:57Seattle/Tacoma Intl
24 Dec
SEA23:15Seattle/Tacoma Intl
48h 35m
3 stops
CPH08:50Kastrup Copenhagen
£4,158
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Copenhagen to State of Washington 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 279,928 searches. Data last updated 12 December 2025.
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

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Sun 25/1

06:05-19:18

2 stops22h 13m

Seattle/Tacoma Intl

Sun 1/2

18:50-21:45

1 stop17h 55m

£427

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Mon 9/2

09:55-23:15

2 stops22h 20m

Seattle/Tacoma Intl

Thu 30/4

20:25-19:55

1 stop14h 30m

£428

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Sun 25/1

08:40-19:18

2 stops19h 38m

Seattle/Tacoma Intl

Sun 1/2

18:50-23:55

2 stops20h 05m

£432

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Mon 9/2

09:55-22:25

2 stops21h 30m

Seattle/Tacoma Intl

Thu 30/4

09:30-14:00

2 stops19h 30m

£436

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Mon 12/1

14:15-11:50

1 stop30h 35m

Seattle/Tacoma Intl

Sun 25/1

12:25-14:40

2 stops17h 15m

£441

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Mon 12/1

10:15-22:25

2 stops21h 10m

Seattle/Tacoma Intl

Sun 25/1

12:25-14:40

2 stops17h 15m

£450

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Mon 12/1

14:15-11:50

1 stop30h 35m

Seattle/Tacoma Intl

Sun 25/1

16:45-13:10

1 stop35h 25m

£450

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Thu 15/1

10:10-20:57

2 stops19h 47m

Seattle/Tacoma Intl

Wed 28/1

08:40-14:05

3 stops20h 25m

£465

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Tue 20/1

06:50-22:59

2 stops25h 09m

Seattle/Tacoma Intl

Sat 24/1

08:10-12:25

2 stops19h 15m

£467

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Tue 20/1

06:50-22:59

2 stops25h 09m

Seattle/Tacoma Intl

Sat 24/1

14:00-13:45

1 stop14h 45m

£468

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to Washington from

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

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 February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of £404.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Copenhagen to State of Washington is on a Friday. Travellers who choose to depart for State of Washington on a Friday will often find tickets for as low as £409. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to State of Washington on Monday is £755.

How far in advance should I book a flight to State of 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 £477 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 £428 on momondo.

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

Fastest flight time

44h 06m

Direct flights

None
The fastest flight from Copenhagen to State of Washington takes 44h 06m
There are no direct flights from Copenhagen to State of Washington. There are no popular flight routes from Copenhagen to State of Washington.
Search flight deals

  • 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?

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.

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