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

British Airways, Finnair, and American Airlines are the most popular carriers operating from Kastrup Copenhagen to Washington

What airlines fly to State of Washington?

Scandinavian Airlines, Icelandair and United Airlines 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 46% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 5 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 April 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.

$373 Cheap Flights from Copenhagen to Washington in 2026

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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.

8:50 am - 6:49 pm

CPH

SEA

18h 59m

2 stops

1:30 pm - 1:55 pm

SEA

CPH

15h 25m

1 stop

$553British Airways

mar., sept. 22 - mar., oct. 6

7:20 am - 11:45 am

CPH

SEA

13h 25m

1 stop

7:00 pm - 12:55 pm

SEA

CPH

32h 55m

1 stop

$557Icelandair

jeu., sept. 10 - jeu., sept. 24

6:45 am - 4:00 pm

CPH

SEA

18h 15m

1 stop

1:24 pm - 6:40 pm

SEA

CPH

20h 16m

2 stops

$559Finnair

ven., sept. 11 - ven., sept. 25

7:20 am - 8:40 pm

CPH

SEA

22h 20m

1 stop

11:25 pm - 9:45 pm

SEA

CPH

13h 20m

1 stop

$562Icelandair

ven., mai 22 - ven., juin 5

4:55 pm - 8:40 pm

CPH

SEA

12h 45m

1 stop

7:00 pm - 9:45 pm

SEA

CPH

17h 45m

1 stop

$563Icelandair

mer., oct. 7 - dim., oct. 11

4:55 pm - 8:40 pm

CPH

SEA

12h 45m

1 stop

7:00 pm - 9:45 pm

SEA

CPH

17h 45m

1 stop

$564Icelandair

mer., oct. 7 - dim., oct. 11

7:15 am - 11:35 am

CPH

SEA

13h 20m

1 stop

8:20 pm - 8:50 pm

SEA

CPH

15h 30m

1 stop

$566British Airways

mar., sept. 8 - dim., oct. 4

2:45 pm - 11:10 am

CPH

PDX

29h 25m

1 stop

9:20 am - 11:25 am

PDX

CPH

17h 05m

2 stops

$629Delta

dim., mai 10 - mar., mai 26

2:45 pm - 11:10 am

CPH

PDX

29h 25m

1 stop

3:30 pm - 6:45 pm

PDX

CPH

18h 15m

2 stops

$630Delta

dim., mai 10 - mar., mai 26

6:00 am - 11:10 am

CPH

PDX

14h 10m

1 stop

1:05 pm - 10:30 pm

PDX

CPH

24h 25m

1 stop

$636KLM

jeu., mai 7 - lun., mai 11

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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

Sep 10

CPH7:20 amKastrup Copenhagen

13h 25m

1 stop

SEA11:45 amSeattle/Tacoma Intl

Sep 24

SEA7:00 pmSeattle/Tacoma Intl

32h 55m

1 stop

CPH12:55 pmKastrup Copenhagen

$557

Icelandair

May 22

CPH7:20 amKastrup Copenhagen

22h 20m

1 stop

SEA8:40 pmSeattle/Tacoma Intl

Jun 5

SEA11:25 pmSeattle/Tacoma Intl

13h 20m

1 stop

CPH9:45 pmKastrup Copenhagen

$562

Icelandair

Oct 7

CPH4:55 pmKastrup Copenhagen

12h 45m

1 stop

SEA8:40 pmSeattle/Tacoma Intl

Oct 11

SEA7:00 pmSeattle/Tacoma Intl

17h 45m

1 stop

CPH9:45 pmKastrup Copenhagen

$563

Lufthansa flights from Copenhagen to State of Washington

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

Lufthansa

May 10

CPH10:00 amKastrup Copenhagen

20h 09m

2 stops

PDX9:09 pmPortland

May 26

PDX3:30 pmPortland

16h 05m

2 stops

CPH4:35 pmKastrup Copenhagen

$700

Lufthansa

May 10

CPH2:40 pmKastrup Copenhagen

18h 53m

2 stops

PDX12:33 amPortland

May 26

PDX3:30 pmPortland

16h 05m

2 stops

CPH4:35 pmKastrup Copenhagen

$704

Lufthansa

May 7

CPH10:10 amKastrup Copenhagen

17h 35m

2 stops

PDX6:45 pmPortland

May 11

PDX3:30 pmPortland

15h 55m

2 stops

CPH4:25 pmKastrup Copenhagen

$728

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 - SEA

CPHSEA

Kastrup Copenhagen

mar. 9/22

8:50 am-6:49 pm

2 stops18h 59m

Seattle/Tacoma Intl

mar. 10/6

1:30 pm-1:55 pm

1 stop15h 25m

$553

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

jeu. 9/10

7:20 am-11:45 am

1 stop13h 25m

Seattle/Tacoma Intl

jeu. 9/24

7:00 pm-12:55 pm

1 stop32h 55m

$557

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

ven. 9/11

6:45 am-4:00 pm

1 stop18h 15m

Seattle/Tacoma Intl

ven. 9/25

1:24 pm-6:40 pm

2 stops20h 16m

$559

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

ven. 5/22

7:20 am-8:40 pm

1 stop22h 20m

Seattle/Tacoma Intl

ven. 6/5

11:25 pm-9:45 pm

1 stop13h 20m

$562

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

mer. 10/7

4:55 pm-8:40 pm

1 stop12h 45m

Seattle/Tacoma Intl

dim. 10/11

7:00 pm-9:45 pm

1 stop17h 45m

$563

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

mer. 10/7

4:55 pm-8:40 pm

1 stop12h 45m

Seattle/Tacoma Intl

dim. 10/11

7:00 pm-9:45 pm

1 stop17h 45m

$564

Quickest round-trip

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

mar. 9/8

7:15 am-11:35 am

1 stop13h 20m

Seattle/Tacoma Intl

dim. 10/4

8:20 pm-8:50 pm

1 stop15h 30m

$566

CopenhagenPortland

CPH - PDX

CPHPDX

Kastrup Copenhagen

dim. 5/10

2:45 pm-11:10 am

1 stop29h 25m

Portland

mar. 5/26

9:20 am-11:25 am

2 stops17h 05m

$629

CopenhagenPortland

CPH - PDX

CPHPDX

Kastrup Copenhagen

dim. 5/10

2:45 pm-11:10 am

1 stop29h 25m

Portland

mar. 5/26

3:30 pm-6:45 pm

2 stops18h 15m

$630

CopenhagenPortland

CPH - PDX

CPHPDX

Kastrup Copenhagen

jeu. 5/7

6:00 am-11:10 am

1 stop14h 10m

Portland

lun. 5/11

1:05 pm-10:30 pm

1 stop24h 25m

$636

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 $541. 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 $582.

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 Saturday. Travelers who choose to depart for State of Washington on a Saturday will often find tickets for as low as $647. 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 $1,141.

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 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 $676 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 $660 on momondo.

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

There are 3 cabin classes available to choose from on Kastrup Copenhagen to 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 40% 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	$1,502
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 $1,502. The best round-trip flight deal from Copenhagen to State of Washington found on momondo in the last 72 hours is $738.

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 April 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 99.04% of all bookings. The subsequent popular model is Airbus A330-300 at 0.96%.

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 $430	Free Cancellation	Rating 7.0 639 reviews	Search Icelandair flights
Delta	PriceFrom $498	Free Cancellation	Rating 7.9 8,433 reviews	Search Delta flights
British Airways	PriceFrom $519	Free Cancellation	Rating 6.7 7,905 reviews	Search British Airways flights
United Airlines	PriceFrom $579	Free Cancellation	Rating 7.4 9,616 reviews	Search United Airlines flights
Scandinavian Airlines	PriceFrom $618	Free Cancellation	Rating 7.3 1,751 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.