How long does it take to fly to Copenhagen?

On average, it takes 9h 30m to fly from State of Washington to Copenhagen if you fly out of Seattle (the most popular airport in State of Washington) and into Copenhagen (the most popular airport in Copenhagen). If you’re flying out of Spokane and into Copenhagen, then the flight time is around 18h 45m.

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

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

What airlines fly to Copenhagen?

Icelandair, Scandinavian Airlines and Delta are the top three most popular airlines that fly to Copenhagen from State of Washington according to our data. Icelandair is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Copenhagen. Keep in mind that there are 11 different airlines that fly to Copenhagen on a routine basis, so you have a few additional options to choose from.

How many flights depart from State of Washington to Copenhagen on average per week?

10 flights are operational weekly from State of Washington to Copenhagen as of August 2025. The most popular departure day for this route is Mon, with 20% of flights per week taking off on this day.

How many flights depart from State of Washington to Copenhagen on average per day?

1 flights are operational daily from State of Washington to Copenhagen as of August 2025. The most popular departure time for this route is 4:00PM, with 100% of flights per day taking off in the afternoon.

When did momondo last update prices for flights from Washington to Kastrup Copenhagen Airport?

Prices for flights from Washington to Kastrup Copenhagen Airport refresh daily.

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

As of August 2025, there are 11 operators available to choose from for flights from Washington to Kastrup Copenhagen Airport.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Kastrup Copenhagen Airport.

What documentation or ID do you need to fly to Kastrup Copenhagen Airport?

The necessary travel and health documents for your Kastrup Copenhagen Airport 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.

$240 Cheap Flights from Washington to Copenhagen in 2025

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Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

2:35 pm - 8:35 pmSEA-CPH

21h 00m1 stop

6:25 am - 5:00 pmCPH-SEA

19h 35m1 stop

$414Icelandair

Find Deal

lun., nov. 17 - mié., nov. 26

2:35 pm - 11:45 amSEA-CPH

12h 10m1 stop

1:05 pm - 5:00 pmCPH-SEA

12h 55m1 stop

$418Icelandair

Find Deal

lun., nov. 3 - jue., nov. 13

4:20 pm - 11:00 amSEA-CPH

9h 40mnonstop

1:05 pm - 2:00 pmCPH-SEA

9h 55mnonstop

$471Scandinavian Airlines

Find Deal

dom., sep. 21 - dom., oct. 5

4:20 pm - 11:00 amSEA-CPH

9h 40mnonstop

1:05 pm - 2:00 pmCPH-SEA

9h 55mnonstop

$479Scandinavian Airlines

Find Deal

dom., oct. 12 - mié., oct. 22

1:55 pm - 2:40 pmSEA-CPH

15h 45m1 stop

9:55 am - 8:50 pmCPH-SEA

19h 55m2 stops

$492Delta

Find Deal

lun., nov. 17 - mié., nov. 26

1:40 pm - 4:05 pmSEA-CPH

17h 25m1 stop

6:00 am - 2:45 pmCPH-SEA

17h 45m2 stops

$493

Find Deal

mar., nov. 4 - sáb., nov. 15

9:25 am - 1:10 pmSEA-CPH

18h 45m2 stops

10:15 am - 10:23 pmCPH-SEA

21h 08m2 stops

$497Delta

Find Deal

jue., nov. 6 - lun., nov. 10

2:46 pm - 4:10 pmSEA-CPH

16h 24m2 stops

3:10 pm - 4:55 pmCPH-SEA

34h 45m1 stop

$502British Airways

Find Deal

lun., nov. 17 - mié., nov. 26

6:45 pm - 5:20 pmPDX-CPH

14h 35m1 stop

8:05 pm - 3:55 pmCPH-PDX

28h 50m1 stop

$647British Airways

Find Deal

mié., oct. 29 - mar., nov. 4

7:00 am - 2:00 pmPDX-CPH

23h 00m2 stops

6:45 am - 9:15 amCPH-PDX

35h 30m2 stops

$656

Find Deal

mié., oct. 29 - mié., nov. 5

Icelandair flights from State of Washington to Copenhagen

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

Icelandair

Nov 17

SEA2:35 pmSeattle/Tacoma Intl

21h 00m

1 stop

CPH8:35 pmKastrup Copenhagen

Nov 26

CPH6:25 amKastrup Copenhagen

19h 35m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

$414

Find similar

Icelandair

Nov 3

SEA2:35 pmSeattle/Tacoma Intl

12h 10m

1 stop

CPH11:45 amKastrup Copenhagen

Nov 13

CPH1:05 pmKastrup Copenhagen

12h 55m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

$418

Find similar

Icelandair

Nov 17

SEA2:35 pmSeattle/Tacoma Intl

21h 00m

1 stop

CPH8:35 pmKastrup Copenhagen

Nov 26

CPH12:55 pmKastrup Copenhagen

13h 05m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

$419

Find similar

KLM flights from State of Washington to Copenhagen

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

KLM

Aug 13

SEA5:40 pmSeattle/Tacoma Intl

13h 30m

1 stop

CPH4:10 pmKastrup Copenhagen

Aug 19

CPH9:25 amKastrup Copenhagen

15h 30m

1 stop

SEA3:55 pmSeattle/Tacoma Intl

$495

Find similar

KLM

Aug 21

PDX1:46 pmPortland

17h 24m

2 stops

CPH4:10 pmKastrup Copenhagen

Sep 4

CPH9:00 amKastrup Copenhagen

21h 31m

1 stop

PDX9:31 pmPortland

$751

Find similar

KLM

Aug 14

GEG6:50 amSpokane

18h 15m

1 stop

CPH10:05 amKastrup Copenhagen

Aug 22

CPH12:20 pmKastrup Copenhagen

20h 28m

1 stop

GEG11:48 pmSpokane

$775

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Washington to Copenhagen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

lun. 11/17

2:35 pm-8:35 pm

1 stop21h 00m

Kastrup Copenhagen

mié. 11/26

6:25 am-5:00 pm

1 stop19h 35m

$414

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

lun. 11/3

2:35 pm-11:45 am

1 stop12h 10m

Kastrup Copenhagen

jue. 11/13

1:05 pm-5:00 pm

1 stop12h 55m

$418

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

dom. 9/21

4:20 pm-11:00 am

Nonstop9h 40m

Kastrup Copenhagen

dom. 10/5

1:05 pm-2:00 pm

Nonstop9h 55m

$471

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

dom. 10/12

4:20 pm-11:00 am

Nonstop9h 40m

Kastrup Copenhagen

mié. 10/22

1:05 pm-2:00 pm

Nonstop9h 55m

$479

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

lun. 11/17

1:55 pm-2:40 pm

1 stop15h 45m

Kastrup Copenhagen

mié. 11/26

9:55 am-8:50 pm

2 stops19h 55m

$492

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

mar. 11/4

1:40 pm-4:05 pm

1 stop17h 25m

Kastrup Copenhagen

sáb. 11/15

6:00 am-2:45 pm

2 stops17h 45m

$493

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

jue. 11/6

9:25 am-1:10 pm

2 stops18h 45m

Kastrup Copenhagen

lun. 11/10

10:15 am-10:23 pm

2 stops21h 08m

$497

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

lun. 11/17

2:46 pm-4:10 pm

2 stops16h 24m

Kastrup Copenhagen

mié. 11/26

3:10 pm-4:55 pm

1 stop34h 45m

$502

PortlandCopenhagen

PDX - CPH

PDXCPH

Portland

mié. 10/29

6:45 pm-5:20 pm

1 stop14h 35m

Kastrup Copenhagen

mar. 11/4

8:05 pm-3:55 pm

1 stop28h 50m

$647

PortlandCopenhagen

PDX - CPH

PDXCPH

Portland

mié. 10/29

7:00 am-2:00 pm

2 stops23h 00m

Kastrup Copenhagen

mié. 11/5

6:45 am-9:15 am

2 stops35h 30m

$656

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How to get the cheapest flight ticket from State of Washington to Copenhagen

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

Other information

What is the cheapest month to fly to Copenhagen?

The cheapest month to fly to Copenhagen from State of Washington is in February. Flight prices, which tend to average around $570, are often lower during this time because this is during the off-season. If you aren’t able to travel to Copenhagen during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $579.

What is the cheapest day to depart on your flight to Copenhagen?

The cheapest day to depart from State of Washington to Copenhagen is on a Monday when prices can be found for as low as $663. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from State of Washington to Copenhagen for around $754.

What is the cheapest time of day to depart on your flight to Copenhagen?

Flying to Copenhagen from State of Washington in the evening is the least expensive time of day to depart. momondo users have found prices as low as $632 when looking at flights departing in the evening. Try not to purchase tickets in the morning because they tend to be around $782. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Washington to Kastrup Copenhagen flight route?

Fly from Seattle/Tacoma Intl to Kastrup Copenhagen for the best Washington - Kastrup Copenhagen flight prices

How far in advance should I book a flight to Copenhagen?

You are more likely to see cheaper flights to Copenhagen from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Copenhagen for around $635 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Copenhagen from State of Washington for as low as $584 on momondo.

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

There are 3 cabin classes available to choose from on Washington to Kastrup Copenhagen 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 State of Washington to Copenhagen flights?

You could potentially save up to 64% on your flight if you consider stops on a State of Washington to Copenhagen flight.

Cheap State of Washington to Copenhagen flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Copenhagen

Best Price Found	$240
Fastest flight time	9h 40m
Direct flights	Mon, Tue, Thu, Sat and Sun
Airports in Copenhagen	1 airport

The best one-way flight to Copenhagen from State of Washington in the past 72 hours is $240. The best round-trip flight deal from State of Washington to Copenhagen found on momondo in the last 72 hours is $414.

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

Direct flights go from State of Washington to Copenhagen on Monday, Tuesday, Thursday, Saturday and Sunday. The only airline offering direct flights is Scandinavian Airlines.

There is 1 airport near Copenhagen: Kastrup Copenhagen (CPH)

Search flight deals

When did momondo last update prices for flights from Washington to Kastrup Copenhagen Airport?
Prices for flights from Washington to Kastrup Copenhagen Airport refresh daily.
How many operators does momondo search for flights from Washington to Kastrup Copenhagen Airport?
As of August 2025, there are 11 operators available to choose from for flights from Washington to Kastrup Copenhagen Airport.
How old do you have to be to fly from Washington to Kastrup Copenhagen Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Kastrup Copenhagen Airport.
What documentation or ID do you need to fly to Kastrup Copenhagen Airport?
The necessary travel and health documents for your Kastrup Copenhagen Airport 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 State of Washington to Copenhagen?
momondo data reveals that the most frequently booked plane model on the route from State of Washington to Copenhagen is Airbus A350-900, representing 56.20% of all bookings. The subsequent popular models are Airbus A330-900neo at 15.16%, Boeing 787-10 Dreamliner at 8.38%, and Airbus A330-300 at 6.57%.

Best airlines flying from State of Washington to Copenhagen

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

Airline	Rating	Free Cancellation	Price
Air France	PriceFrom $418	Free Cancellation	Rating 7.4 1,465 reviews	Search Air France flights
Icelandair	PriceFrom $422	Free Cancellation	Rating 7.0 524 reviews	Search Icelandair flights
Finnair	PriceFrom $476	Free Cancellation	Rating 7.6 1,319 reviews	Search Finnair flights
American Airlines	PriceFrom $486	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
British Airways	PriceFrom $493	Free Cancellation	Rating 6.6 7,251 reviews	Search British Airways flights
Scandinavian Airlines	PriceFrom $502	Free Cancellation	Rating 7.4 1,465 reviews	Search Scandinavian Airlines flights
United Airlines	PriceFrom $543	Free Cancellation	Rating 7.4 8,917 reviews	Search United Airlines flights
Lufthansa	PriceFrom $553	Free Cancellation	Rating 6.8 7,289 reviews	Search Lufthansa flights
Air Canada	PriceFrom $569	Free Cancellation	Rating 7.1 9,893 reviews	Search Air Canada flights
Delta	PriceFrom $569	Free Cancellation	Rating 8.0 7,985 reviews	Search Delta flights

Kastrup

Roskilde

Why use momondo?

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

It is quick and easy to find Washington to Copenhagen flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Copenhagen that suits you.

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

Yes. momondo allows you to filter the results for Washington to Copenhagen flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Washington and Copenhagen by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington to Copenhagen right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Copenhagen, momondo offers a useful price alert feature which will track prices for flights to Copenhagen from Washington and alert you when they change.

An easier way to manage your Copenhagen trip

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Cheap flights from Washington to Copenhagen from $240

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Copenhagen departing on 11/19. 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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Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Washington to Copenhagen

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Icelandair flights from State of Washington to Copenhagen

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

KLM flights from State of Washington to Copenhagen

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

momondo Fare Finder

Use the filters below to find and compare flights from Washington to Copenhagen that are best for you.

See travel insights to Copenhagen from

How to get the cheapest flight ticket from State of Washington to Copenhagen

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 Copenhagen?

What is the cheapest day to depart on your flight to Copenhagen?

The cheapest day to depart from State of Washington to Copenhagen is on a Monday when prices can be found for as low as $663. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from State of Washington to Copenhagen for around $754.

What is the cheapest time of day to depart on your flight to Copenhagen?

What is the cheapest Washington to Kastrup Copenhagen flight route?

Fly from Seattle/Tacoma Intl to Kastrup Copenhagen for the best Washington - Kastrup Copenhagen flight prices

How far in advance should I book a flight to Copenhagen?

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

There are 3 cabin classes available to choose from on Washington to Kastrup Copenhagen 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 State of Washington to Copenhagen flights?

You could potentially save up to 64% on your flight if you consider stops on a State of Washington to Copenhagen flight.

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

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

What airlines fly to Copenhagen?

How many flights depart from State of Washington to Copenhagen on average per day?

1 flights are operational daily from State of Washington to Copenhagen as of August 2025. The most popular departure time for this route is 4:00PM, with 100% of flights per day taking off in the afternoon.

How many flights depart from State of Washington to Copenhagen on average per week?

10 flights are operational weekly from State of Washington to Copenhagen as of August 2025. The most popular departure day for this route is Mon, with 20% of flights per week taking off on this day.

How long does it take to fly to Copenhagen?

Cheap State of Washington to Copenhagen flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Copenhagen

Best Price Found

Fastest flight time

Direct flights

Airports in Copenhagen

When did momondo last update prices for flights from Washington to Kastrup Copenhagen Airport?

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

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

What documentation or ID do you need to fly to Kastrup Copenhagen Airport?

What is the most popular plane model from State of Washington to Copenhagen?

Best airlines flying from State of Washington to Copenhagen

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

Traveling to a place near Copenhagen?

Why use momondo?

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

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

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

I’m not ready to book a flight from Washington to Copenhagen right now. Can momondo alert me if prices change?

An easier way to manage your Copenhagen trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Denmark

Airports servicing Denmark