What airlines fly to State of Washington?

Icelandair, Scandinavian Airlines and Delta are the top three most popular airlines that fly to State of Washington from Copenhagen according to our data. Icelandair is the first choice among our users, with 39% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 4 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

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

Scandinavian Airlines, 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 are refreshed on a daily basis.

How many operators does momondo search for flights from Kastrup Copenhagen Airport to Washington?

As of September 2026, there are 5 operators available to choose from for flights from Kastrup Copenhagen Airport to Washington.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 necessary travel and health documents for your Washington trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$418 Cheap Flights from Copenhagen to Washington in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Copenhagen to Washington

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:35 pm - 8:40 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

31h 05m1 stop Reykjavik Keflavik Intl

7:10 pm - 2:55 pmSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

11h 45m1 stop Reykjavik Keflavik Intl

$556Icelandair

Wed, Oct 21 - Sun, Oct 25

10:35 pm - 8:40 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

31h 05m1 stop Reykjavik Keflavik Intl

7:10 pm - 2:55 pmSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

11h 45m1 stop Reykjavik Keflavik Intl

$558Icelandair

Wed, Oct 21 - Sun, Oct 25

7:05 am - 11:35 amCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

13h 30m1 stop London Heathrow

8:20 pm - 8:30 pmSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

15h 10m1 stop London Heathrow

$575British Airways

Thu, Oct 15 - Thu, Oct 22

12:25 pm - 12:36 amCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

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

2:40 pm - 2:35 pmSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

15h 55m1 stop London Heathrow

$577Multiple Airlines

Thu, Oct 15 - Thu, Oct 29

11:50 am - 4:35 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

13h 45m1 stop Amsterdam Schiphol

9:50 pm - 9:35 pmSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

14h 45m1 stop London Heathrow

$633Delta

Thu, Oct 1 - Mon, Oct 5

11:50 am - 4:35 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

13h 45m1 stop Amsterdam Schiphol

9:50 pm - 9:35 pmSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

14h 45m1 stop London Heathrow

$634Delta

Thu, Oct 1 - Mon, Oct 5

1:05 pm - 1:45 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

9h 40mnonstop

3:55 pm - 10:10 amSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

9h 15mnonstop

$737Scandinavian Airlines

Fri, Sep 18 - Fri, Oct 2

6:20 am - 7:11 pmCPH Kastrup Copenhagen-PDX Portland

21h 51m2 stops Frankfurt am Main Vancouver Intl

11:30 pm - 3:10 pmPDX Portland-CPH Kastrup Copenhagen

30h 40m2 stops Chicago O'Hare Intl Zurich

$738United Airlines

Tue, Oct 6 - Fri, Oct 23

1:05 pm - 1:45 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

9h 40mnonstop

3:55 pm - 10:10 amSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

9h 15mnonstop

$739Scandinavian Airlines

Fri, Sep 18 - Fri, Oct 2

6:20 am - 2:46 pmCPH Kastrup Copenhagen-PDX Portland

17h 26m2 stops Frankfurt am Main Vancouver Intl

11:30 pm - 2:10 pmPDX Portland-CPH Kastrup Copenhagen

29h 40m2 stops Chicago O'Hare Intl Zurich

$739United Airlines

Tue, Sep 22 - Sun, Sep 27

Cheap last minute flights

Enter your travel dates to find the best prices.

6:00 am - 11:47 amCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

14h 47m1 stop Amsterdam Schiphol

5:45 pm - 6:15 pmSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

15h 30m1 stop Amsterdam Schiphol

$717KLM

Wed, Sep 9 - Wed, Sep 16

6:00 am - 11:47 amCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

14h 47m1 stop Amsterdam Schiphol

9:40 am - 2:00 pmSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

19h 20m2 stops Salt Lake City Amsterdam Schiphol

$726Delta

Wed, Sep 9 - Wed, Sep 16

6:00 am - 4:50 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

19h 50m2 stops Amsterdam Schiphol Salt Lake City

9:40 am - 2:00 pmSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

19h 20m2 stops Salt Lake City Amsterdam Schiphol

$732Delta

Wed, Sep 9 - Wed, Sep 16

1:55 pm - 8:50 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

15h 55m1 stop Minneapolis St Paul

5:45 pm - 6:15 pmSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

15h 30m1 stop Amsterdam Schiphol

$902KLM

Mon, Sep 7 - Mon, Sep 14

6:40 am - 8:43 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

23h 03m2 stops Frankfurt am Main San Francisco

5:20 pm - 11:30 pmSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

21h 10m2 stops San Francisco Munich Franz Josef Strauss

$943United Airlines

Sat, Sep 5 - Sun, Sep 6

10:10 am - 8:43 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

19h 33m2 stops Frankfurt am Main San Francisco

7:00 am - 9:30 amSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

17h 30m2 stops Chicago O'Hare Intl Frankfurt am Main

$944United Airlines

Sat, Sep 5 - Mon, Sep 7

4:55 pm - 11:45 amCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

27h 50m1 stop Reykjavik Keflavik Intl

3:40 pm - 3:55 pmSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

15h 15m1 stop Reykjavik Keflavik Intl

$990Icelandair

Sun, Sep 6 - Tue, Sep 8

4:55 pm - 11:45 amCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

27h 50m1 stop Reykjavik Keflavik Intl

3:40 pm - 12:55 pmSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

12h 15m1 stop Reykjavik Keflavik Intl

$990Icelandair

Sun, Sep 6 - Mon, Sep 7

1:05 pm - 1:45 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

9h 40mnonstop

3:55 pm - 10:10 amSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

9h 15mnonstop

$1,071Scandinavian Airlines

Sat, Sep 5 - Sun, Sep 6

1:05 pm - 1:45 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

9h 40mnonstop

3:55 pm - 10:10 amSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

9h 15mnonstop

$1,194Scandinavian Airlines

Sat, Sep 5 - Tue, Sep 8

Cheap direct flights

Enter your travel dates to find the best prices.

1:05 pm - 1:45 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

9h 40mnonstop

3:55 pm - 10:10 amSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

9h 15mnonstop

$737Scandinavian Airlines

Fri, Sep 18 - Fri, Oct 2

1:05 pm - 1:45 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

9h 40mnonstop

3:55 pm - 10:10 amSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

9h 15mnonstop

$739Scandinavian Airlines

Fri, Sep 18 - Fri, Oct 2

1:05 pm - 1:45 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

9h 40mnonstop

3:55 pm - 10:10 amSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

9h 15mnonstop

$744Scandinavian Airlines

Fri, Sep 18 - Fri, Oct 2

1:05 pm - 1:45 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

9h 40mnonstop

3:55 pm - 10:10 amSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

9h 15mnonstop

$756Scandinavian Airlines

Fri, Sep 18 - Fri, Oct 2

1:05 pm - 1:45 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

9h 40mnonstop

3:55 pm - 10:10 amSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

9h 15mnonstop

$1,239Air France

Fri, Sep 18 - Fri, Oct 2

1:05 pm - 1:45 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

9h 40mnonstop

3:55 pm - 10:10 amSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

9h 15mnonstop

$1,243Air France

Fri, Sep 18 - Fri, Oct 2

1:05 pm - 1:45 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

9h 40mnonstop

3:55 pm - 10:10 amSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

9h 15mnonstop

$1,255Air France

Fri, Sep 18 - Fri, Oct 2

1:05 pm - 1:45 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

9h 40mnonstop

3:55 pm - 10:10 amSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

9h 15mnonstop

$1,292Delta

Fri, Sep 18 - Fri, Oct 2

1:05 pm - 1:45 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

9h 40mnonstop

3:55 pm - 10:10 amSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

9h 15mnonstop

$1,293Delta

Fri, Sep 18 - Fri, Oct 2

1:05 pm - 1:45 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

9h 40mnonstop

3:55 pm - 10:10 amSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

9h 15mnonstop

$1,294Delta

Fri, Sep 18 - Fri, Oct 2

Save money when you book flights with momondo

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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

Oct 15

CPH7:05 amKastrup Copenhagen

13h 30m

1 stop

SEA11:35 amSeattle/Tacoma Intl

Oct 22

SEA8:20 pmSeattle/Tacoma Intl

15h 10m

1 stop

CPH8:30 pmKastrup Copenhagen

$575

British Airways

Oct 15

CPH7:05 amKastrup Copenhagen

13h 30m

1 stop

SEA11:35 amSeattle/Tacoma Intl

Oct 22

SEA10:31 amSeattle/Tacoma Intl

24h 59m

2 stops

CPH8:30 pmKastrup Copenhagen

$580

British Airways

Oct 15

CPH7:05 amKastrup Copenhagen

26h 31m

2 stops

SEA12:36 amSeattle/Tacoma Intl

Oct 22

SEA10:31 amSeattle/Tacoma Intl

24h 59m

2 stops

CPH8:30 pmKastrup Copenhagen

$586

American Airlines flights from Copenhagen to State of Washington

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

American Airlines

Oct 23

CPH7:25 amKastrup Copenhagen

13h 10m

1 stop

SEA11:35 amSeattle/Tacoma Intl

Nov 5

SEA6:45 pmSeattle/Tacoma Intl

16h 25m

1 stop

CPH8:10 pmKastrup Copenhagen

$601

American Airlines

Oct 22

CPH12:25 pmKastrup Copenhagen

20h 34m

2 stops

PDX11:59 pmPortland

Nov 4

PDX1:22 pmPortland

19h 03m

2 stops

CPH5:25 pmKastrup Copenhagen

$701

American Airlines

Oct 22

CPH10:50 amKastrup Copenhagen

15h 50m

1 stop

PDX5:40 pmPortland

Nov 4

PDX5:45 pmPortland

14h 40m

1 stop

CPH5:25 pmKastrup Copenhagen

$710

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 round-trip

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Wed 10/21

10:35 pm-8:40 pm

1 stop31h 05m

Seattle/Tacoma Intl

Sun 10/25

7:10 pm-2:55 pm

1 stop11h 45m

$556

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Wed 10/21

10:35 pm-8:40 pm

1 stop31h 05m

Seattle/Tacoma Intl

Sun 10/25

7:10 pm-2:55 pm

1 stop11h 45m

$558

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Thu 10/15

7:05 am-11:35 am

1 stop13h 30m

Seattle/Tacoma Intl

Thu 10/22

8:20 pm-8:30 pm

1 stop15h 10m

$575

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Thu 10/15

12:25 pm-12:36 am

2 stops21h 11m

Seattle/Tacoma Intl

Thu 10/29

2:40 pm-2:35 pm

1 stop15h 55m

$577

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Thu 10/1

11:50 am-4:35 pm

1 stop13h 45m

Seattle/Tacoma Intl

Mon 10/5

9:50 pm-9:35 pm

1 stop14h 45m

$633

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Thu 10/1

11:50 am-4:35 pm

1 stop13h 45m

Seattle/Tacoma Intl

Mon 10/5

9:50 pm-9:35 pm

1 stop14h 45m

$634

Quickest round-trip

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Fri 9/18

1:05 pm-1:45 pm

Nonstop9h 40m

Seattle/Tacoma Intl

Fri 10/2

3:55 pm-10:10 am

Nonstop9h 15m

$737

CopenhagenPortland

CPH Kastrup Copenhagen - PDX Portland

CPHPDX

Kastrup Copenhagen

Tue 10/6

6:20 am-7:11 pm

2 stops21h 51m

Portland

Fri 10/23

11:30 pm-3:10 pm

2 stops30h 40m

$738

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Fri 9/18

1:05 pm-1:45 pm

Nonstop9h 40m

Seattle/Tacoma Intl

Fri 10/2

3:55 pm-10:10 am

Nonstop9h 15m

$739

CopenhagenPortland

CPH Kastrup Copenhagen - PDX Portland

CPHPDX

Kastrup Copenhagen

Tue 9/22

6:20 am-2:46 pm

2 stops17h 26m

Portland

Sun 9/27

11:30 pm-2:10 pm

2 stops29h 40m

$739

Flights are sorted by cheapest round-trip 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?

The month of November is, on average, the cheapest month to fly to State of Washington from Copenhagen, with most prices found around $566. 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 $586.

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. Travelers who choose to depart for State of Washington on a Friday will often find tickets for as low as $1,033. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Copenhagen to State of Washington for around $1,408.

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 $714 when searching weeks out. 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 $657 on momondo.

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

There are 3 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.

Can stopping save me money on Copenhagen to State of Washington flights?

You could potentially save up to 36% on your flight if you consider stops on a Copenhagen to State of Washington flight.

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	$418
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 $418. The best round-trip flight deal from Copenhagen to State of Washington found on momondo in the last 72 hours is $556.

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. The only airline offering direct flights is Scandinavian Airlines.

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 are refreshed on a daily basis.
How many operators does momondo search for flights from Kastrup Copenhagen Airport to Washington?
As of September 2026, there are 5 operators available to choose from for flights from Kastrup Copenhagen Airport to Washington.
How old do you have to be to fly from Kastrup Copenhagen Airport to Washington?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 necessary travel and health documents for your Washington trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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?
momondo data reveals that the most frequently booked plane model on the route from Copenhagen to State of Washington is Airbus A350-900, representing 98.23% of all bookings. The subsequent popular model is Airbus A330-300 at 1.77%.

Best airlines flying from Copenhagen to State of Washington

Compare and see reviews for airlines that fly from Copenhagen to State of Washington with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $469	Free Cancellation	Rating 6.9 740 reviews	Search Icelandair flights
Delta	PriceFrom $545	Free Cancellation	Rating 7.8 8,566 reviews	Search Delta flights
United Airlines	PriceFrom $592	Free Cancellation	Rating 7.4 10,170 reviews	Search United Airlines flights
Scandinavian Airlines	PriceFrom $738	Free Cancellation	Rating 7.4 1,979 reviews	Search Scandinavian Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington from Copenhagen.

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

All flight searches from Copenhagen to Washington on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Copenhagen to Washington.

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.