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

Icelandair, KLM, and Delta are the most popular carriers operating from Kastrup Copenhagen to Washington

What airlines fly to State of Washington?

Scandinavian Airlines, Icelandair and Delta are the top three most popular airlines that fly to State of Washington from Copenhagen according to our data. Scandinavian Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 6 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

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 October 2026, there are 6 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.

$403 Cheap Flights from Copenhagen to Washington in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Copenhagen to Washington

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:55 pm - 5:00 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

13h 05m1 stop Reykjavik Keflavik Intl

2:35 pm - 7:45 pmSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

20h 10m1 stop Reykjavik Keflavik Intl

$601Icelandair

Wed, Dec 2 - Mon, Dec 7

5:05 pm - 5:00 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

32h 55m1 stop Reykjavik Keflavik Intl

2:35 pm - 7:45 pmSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

20h 10m1 stop Reykjavik Keflavik Intl

$601Icelandair

Wed, Dec 2 - Wed, Dec 9

8:55 am - 8:02 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

20h 07m2 stops Helsinki-Vantaa Dallas/Fort Worth

10:27 am - 4:30 pmSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

21h 03m2 stops Dallas/Fort Worth Helsinki-Vantaa

$601Finnair

Mon, Feb 8 - Wed, Feb 17

8:55 am - 8:02 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

20h 07m2 stops Helsinki-Vantaa Dallas/Fort Worth

6:45 pm - 9:50 pmSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

18h 05m1 stop London Heathrow

$606Multiple Airlines

Mon, Feb 8 - Wed, Feb 17

8:55 am - 8:02 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

20h 07m2 stops Helsinki-Vantaa Dallas/Fort Worth

10:38 am - 2:15 pmSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

18h 37m2 stops Chicago O'Hare Intl London Heathrow

$613British Airways

Mon, Feb 8 - Wed, Feb 17

8:55 am - 8:02 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

20h 07m2 stops Helsinki-Vantaa Dallas/Fort Worth

2:07 pm - 5:25 pmSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

18h 18m2 stops Dallas/Fort Worth London Heathrow

$614British Airways

Mon, Feb 8 - Wed, Feb 17

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

14h 47m1 stop Amsterdam Schiphol

3:25 pm - 5:00 pmSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

16h 35m1 stop Paris Charles de Gaulle

$627Delta

Thu, Nov 12 - Wed, Nov 25

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

14h 47m1 stop Amsterdam Schiphol

3:25 pm - 2:40 pmSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

14h 15m1 stop Paris Charles de Gaulle

$627Delta

Fri, Nov 6 - Wed, Nov 25

7:15 am - 9:02 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

46h 47m3 stops Frankfurt am Main Chicago O'Hare Intl Washington, D.C. Dulles Intl

11:00 am - 2:10 pmSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

18h 10m2 stops Chicago O'Hare Intl Zurich

$747United Airlines

Mon, Feb 8 - Wed, Feb 17

2:15 pm - 9:40 amCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

28h 25m2 stops Frankfurt am Main San Francisco

10:56 pm - 5:35 pmSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

33h 39m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

$750United Airlines

Sat, Nov 14 - Sat, Nov 21

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Icelandair flights from Copenhagen to State of Washington

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

Icelandair

Dec 2

CPH12:55 pmKastrup Copenhagen

13h 05m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

Dec 7

SEA2:35 pmSeattle/Tacoma Intl

20h 10m

1 stop

CPH7:45 pmKastrup Copenhagen

$601

Icelandair

Nov 5

CPH12:55 pmKastrup Copenhagen

13h 05m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

Nov 10

SEA2:35 pmSeattle/Tacoma Intl

12h 10m

1 stop

CPH11:45 amKastrup Copenhagen

$618

Icelandair

Mar 4

CPH5:05 pmKastrup Copenhagen

32h 55m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

Mar 24

SEA7:00 pmSeattle/Tacoma Intl

11h 55m

1 stop

CPH2:55 pmKastrup Copenhagen

$619

American Airlines flights from Copenhagen to State of Washington

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

American Airlines

Nov 2

CPH6:45 amKastrup Copenhagen

22h 35m

2 stops

SEA8:20 pmSeattle/Tacoma Intl

Nov 9

SEA6:14 amSeattle/Tacoma Intl

30h 26m

2 stops

CPH9:40 pmKastrup Copenhagen

$634

American Airlines

Dec 4

CPH6:55 amKastrup Copenhagen

18h 55m

1 stop

SEA4:50 pmSeattle/Tacoma Intl

Dec 11

SEA9:15 amSeattle/Tacoma Intl

17h 05m

2 stops

CPH11:20 amKastrup Copenhagen

$663

American Airlines

Nov 7

CPH8:55 amKastrup Copenhagen

20h 02m

2 stops

SEA7:57 pmSeattle/Tacoma Intl

Nov 23

SEA9:31 amSeattle/Tacoma Intl

17h 04m

2 stops

CPH11:35 amKastrup Copenhagen

$664

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 12/2

12:55 pm-5:00 pm

1 stop13h 05m

Seattle/Tacoma Intl

Mon 12/7

2:35 pm-7:45 pm

1 stop20h 10m

$601

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Wed 12/2

5:05 pm-5:00 pm

1 stop32h 55m

Seattle/Tacoma Intl

Wed 12/9

2:35 pm-7:45 pm

1 stop20h 10m

$601

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Mon 2/8

8:55 am-8:02 pm

2 stops20h 07m

Seattle/Tacoma Intl

Wed 2/17

10:27 am-4:30 pm

2 stops21h 03m

$601

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Mon 2/8

8:55 am-8:02 pm

2 stops20h 07m

Seattle/Tacoma Intl

Wed 2/17

6:45 pm-9:50 pm

1 stop18h 05m

$606

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Mon 2/8

8:55 am-8:02 pm

2 stops20h 07m

Seattle/Tacoma Intl

Wed 2/17

10:38 am-2:15 pm

2 stops18h 37m

$613

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Mon 2/8

8:55 am-8:02 pm

2 stops20h 07m

Seattle/Tacoma Intl

Wed 2/17

2:07 pm-5:25 pm

2 stops18h 18m

$614

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Thu 11/12

6:00 am-11:47 am

1 stop14h 47m

Seattle/Tacoma Intl

Wed 11/25

3:25 pm-5:00 pm

1 stop16h 35m

$627

Quickest round-trip

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Fri 11/6

6:00 am-11:47 am

1 stop14h 47m

Seattle/Tacoma Intl

Wed 11/25

3:25 pm-2:40 pm

1 stop14h 15m

$627

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Mon 2/8

7:15 am-9:02 pm

3 stops46h 47m

Seattle/Tacoma Intl

Wed 2/17

11:00 am-2:10 pm

2 stops18h 10m

$747

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Sat 11/14

2:15 pm-9:40 am

2 stops28h 25m

Seattle/Tacoma Intl

Sat 11/21

10:56 pm-5:35 pm

2 stops33h 39m

$750

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 $606. 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 $634.

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 Tuesday. Travelers who choose to depart for State of Washington on a Tuesday will often find tickets for as low as $1,025. 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 $1,597.

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 $735 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 $705 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 35% 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	$403
Fastest flight time	13h 05m
Direct flights	None

The best one-way flight to State of Washington from Copenhagen in the past 72 hours is $403. The best round-trip flight deal from Copenhagen to State of Washington found on momondo in the last 72 hours is $601.

The fastest flight from Copenhagen to State of Washington takes 13h 05m

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

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 October 2026, there are 6 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 88.54% of all bookings. The subsequent popular model is Airbus A330-300 at 11.46%.

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 $502	Free Cancellation	Rating 7.0 762 reviews	Search Icelandair flights
British Airways	PriceFrom $519	Free Cancellation	Rating 6.7 8,268 reviews	Search British Airways flights
Delta	PriceFrom $545	Free Cancellation	Rating 7.8 8,661 reviews	Search Delta flights
United Airlines	PriceFrom $592	Free Cancellation	Rating 7.3 10,404 reviews	Search United Airlines flights
KLM	PriceFrom $646	Free Cancellation	Rating 7.8 1,592 reviews	Search KLM flights
Scandinavian Airlines	PriceFrom $738	Free Cancellation	Rating 7.4 2,022 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.