How long is the flight from State of Washington to Denmark?

Average flight duration from State of Washington to Denmark depends on which airport you fly into and out of. Flying from Seattle to Copenhagen is 9h 15m on average, while flying from Spokane to Copenhagen is 15h 35m on average. Copenhagen is the most popular airport in Denmark.

What is the cheapest airline that flies from Washington to Denmark?

Delta, Virgin Atlantic, and KLM are the most popular carriers operating from Washington to Denmark

What airlines fly to Denmark?

Scandinavian Airlines, Icelandair and Delta are the top three most popular airlines that fly to Denmark from State of Washington according to our data. Scandinavian Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Denmark. Keep in mind that there are 10 different airlines that fly to Denmark on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Washington to Denmark?

Prices for flights from Washington to Denmark refresh daily.

How many operators does momondo search for flights from Washington to Denmark?

As of May 2026, there are 10 operators available to choose from for flights from Washington to Denmark.

How old do you have to be to fly from Washington to Denmark?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to Denmark.

What documentation or ID do you need to fly to Denmark?

The necessary travel and health documents for your Denmark 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.

$195 Cheap Flights from Washington to Denmark in 2026

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Find the cheapest flights from Washington to Denmark

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:34 pm - 10:50 am

SEA

CPH

57h 16m

2 stops

12:15 pm - 3:39 pm

CPH

SEA

36h 24m

2 stops

$470United Airlines

Sat, Aug 15 - Mon, Aug 24

11:40 pm - 8:55 am

PDX

CPH

24h 15m

2 stops

12:45 pm - 3:30 pm

CPH

PDX

35h 45m

2 stops

$470United Airlines

Mon, Aug 10 - Fri, Aug 21

7:10 pm - 10:20 am

PDX

CPH

54h 10m

2 stops

11:35 am - 10:18 pm

CPH

PDX

43h 43m

2 stops

$471Air Canada

Sun, Nov 1 - Wed, Nov 18

2:35 pm - 11:45 am

SEA

CPH

12h 10m

1 stop

12:55 pm - 5:00 pm

CPH

SEA

13h 05m

1 stop

$473Icelandair

Sat, Nov 7 - Sat, Nov 14

5:45 am - 8:55 am

SEA

CPH

42h 10m

2 stops

12:15 pm - 10:07 am

CPH

SEA

30h 52m

2 stops

$474Air Canada

Sat, Aug 15 - Mon, Aug 24

6:50 pm - 4:25 pm

SEA

CPH

12h 35m

1 stop

11:35 am - 10:16 pm

CPH

SEA

19h 41m

1 stop

$478Multiple Airlines

Sun, Oct 11 - Wed, Nov 25

5:45 am - 8:55 am

SEA

CPH

42h 10m

2 stops

6:00 am - 4:59 pm

CPH

SEA

19h 59m

1 stop

$496Multiple Airlines

Sat, Aug 15 - Sat, Aug 22

2:45 pm - 4:00 pm

PDX

CPH

16h 15m

1 stop

1:05 pm - 5:00 pm

CPH

PDX

12h 55m

1 stop

$501Icelandair

Thu, Nov 5 - Fri, Nov 13

3:30 pm - 8:55 am

PDX

CPH

32h 25m

2 stops

12:15 pm - 12:47 am

CPH

PDX

21h 32m

1 stop

$520Lufthansa

Mon, Aug 10 - Fri, Aug 21

12:37 pm - 11:30 pm

GEG

CPH

25h 53m

2 stops

3:10 pm - 11:51 pm

CPH

GEG

41h 41m

2 stops

$1,108Lufthansa

Sun, May 24 - Mon, Jun 8

United Airlines flights from State of Washington to Denmark

Our best United Airlines deals on State of Washington to Denmark flight tickets

United Airlines

Aug 15

SEA4:34 pmSeattle/Tacoma Intl

57h 16m

2 stops

CPH10:50 amKastrup Copenhagen

Aug 24

CPH12:15 pmKastrup Copenhagen

36h 24m

2 stops

SEA3:39 pmSeattle/Tacoma Intl

$470

United Airlines

Aug 11

PDX11:02 pmPortland

26h 48m

2 stops

CPH10:50 amKastrup Copenhagen

Aug 21

CPH12:45 pmKastrup Copenhagen

36h 11m

2 stops

PDX3:56 pmPortland

$475

United Airlines

Nov 7

SEA8:10 amSeattle/Tacoma Intl

17h 10m

1 stop

CPH10:20 amKastrup Copenhagen

Nov 15

CPH11:35 amKastrup Copenhagen

19h 41m

1 stop

SEA10:16 pmSeattle/Tacoma Intl

$484

Air Canada flights from State of Washington to Denmark

Our best Air Canada deals on State of Washington to Denmark flight tickets

Air Canada

Nov 1

PDX7:10 pmPortland

54h 10m

2 stops

CPH10:20 amKastrup Copenhagen

Nov 18

CPH11:35 amKastrup Copenhagen

43h 43m

2 stops

PDX10:18 pmPortland

$471

Air Canada

Aug 15

SEA5:45 amSeattle/Tacoma Intl

42h 10m

2 stops

CPH8:55 amKastrup Copenhagen

Aug 24

CPH12:15 pmKastrup Copenhagen

30h 52m

2 stops

SEA10:07 amSeattle/Tacoma Intl

$474

Air Canada

Aug 11

PDX7:45 pmPortland

30h 05m

2 stops

CPH10:50 amKastrup Copenhagen

Aug 21

CPH12:15 pmKastrup Copenhagen

30h 16m

2 stops

PDX9:31 amPortland

$479

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sat 8/15

4:34 pm-10:50 am

2 stops57h 16m

Kastrup Copenhagen

Mon 8/24

12:15 pm-3:39 pm

2 stops36h 24m

$470

PortlandCopenhagen

PDX - CPH

PDXCPH

Portland

Mon 8/10

11:40 pm-8:55 am

2 stops24h 15m

Kastrup Copenhagen

Fri 8/21

12:45 pm-3:30 pm

2 stops35h 45m

$470

PortlandCopenhagen

PDX - CPH

PDXCPH

Portland

Sun 11/1

7:10 pm-10:20 am

2 stops54h 10m

Kastrup Copenhagen

Wed 11/18

11:35 am-10:18 pm

2 stops43h 43m

$471

Quickest round-trip

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sat 11/7

2:35 pm-11:45 am

1 stop12h 10m

Kastrup Copenhagen

Sat 11/14

12:55 pm-5:00 pm

1 stop13h 05m

$473

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sat 8/15

5:45 am-8:55 am

2 stops42h 10m

Kastrup Copenhagen

Mon 8/24

12:15 pm-10:07 am

2 stops30h 52m

$474

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sun 10/11

6:50 pm-4:25 pm

1 stop12h 35m

Kastrup Copenhagen

Wed 11/25

11:35 am-10:16 pm

1 stop19h 41m

$478

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sat 8/15

5:45 am-8:55 am

2 stops42h 10m

Kastrup Copenhagen

Sat 8/22

6:00 am-4:59 pm

1 stop19h 59m

$496

PortlandCopenhagen

PDX - CPH

PDXCPH

Portland

Thu 11/5

2:45 pm-4:00 pm

1 stop16h 15m

Kastrup Copenhagen

Fri 11/13

1:05 pm-5:00 pm

1 stop12h 55m

$501

PortlandCopenhagen

PDX - CPH

PDXCPH

Portland

Mon 8/10

3:30 pm-8:55 am

2 stops32h 25m

Kastrup Copenhagen

Fri 8/21

12:15 pm-12:47 am

1 stop21h 32m

$520

SpokaneCopenhagen

GEG - CPH

GEGCPH

Spokane

Sun 5/24

12:37 pm-11:30 pm

2 stops25h 53m

Kastrup Copenhagen

Mon 6/8

3:10 pm-11:51 pm

2 stops41h 41m

$1,108

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 State of Washington to Denmark

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

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What is the cheapest month to fly to Denmark?

In general, November is the cheapest month to fly from State of Washington to Denmark. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $212. If you aren’t able to travel to Denmark during the month of November, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $332.

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

The cheapest day to depart from State of Washington to Denmark is on a Monday. Travelers who choose to depart for Denmark on a Monday will often find tickets for as low as $644. On the other hand, Tuesday is the most expensive day to depart from State of Washington because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $753.

What is the cheapest Washington to Denmark flight route?

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

How far in advance should I book a flight from Washington to Denmark?

You are more likely to see cheaper flights to Denmark from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Denmark for around $602 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denmark from State of Washington for as low as $560 on momondo.

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

You could potentially save up to 53% on your flight if you consider stops on a State of Washington to Denmark flight.

Cheap State of Washington to Denmark flight deals and tips

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

Best Price Found	$579
Fastest flight time	9h 15m
Direct flights	Mon, Wed, Sat and Sun
Airports in Denmark	19 airports

The best one-way flight to Denmark from State of Washington in the past 72 hours is $579. The best round-trip flight deal from State of Washington to Denmark found on momondo in the last 72 hours is $748.

The fastest flight from State of Washington to Denmark takes 9h 15m

Direct flights go from State of Washington to Denmark on Monday, Wednesday, Saturday and Sunday. There are no airlines offering direct flights.

There are 19 airports in Denmark. From State of Washington there are direct flights to Kastrup Copenhagen (CPH).

Search flight deals

Frequently asked questions about flying from Washington to Denmark

When did momondo last update prices for flights from Washington to Denmark?
Prices for flights from Washington to Denmark refresh daily.
How many operators does momondo search for flights from Washington to Denmark?
As of May 2026, there are 10 operators available to choose from for flights from Washington to Denmark.
How old do you have to be to fly from Washington to Denmark?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to Denmark.
What documentation or ID do you need to fly to Denmark?
The necessary travel and health documents for your Denmark 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 Denmark?
Based on momondo bookings for flights between State of Washington and Denmark, the leading plane model is Airbus A350-900, making up 46.96% of the total bookings. Other popular models include Airbus A330-900neo with 16.48%, Boeing 787-10 Dreamliner with 9.58%, and Boeing 777-300ER with 8.20%.

Best airlines flying from State of Washington to Denmark

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

Airline	Rating	Free Cancellation	Price
Air France	PriceFrom $332	Free Cancellation	Rating 7.4 1,585 reviews	Search Air France flights
SWISS	PriceFrom $371	Free Cancellation	Rating 7.6 1,942 reviews	Search SWISS flights
Icelandair	PriceFrom $419	Free Cancellation	Rating 7.0 652 reviews	Search Icelandair flights
Delta	PriceFrom $421	Free Cancellation	Rating 7.9 8,451 reviews	Search Delta flights
Scandinavian Airlines	PriceFrom $504	Free Cancellation	Rating 7.4 1,772 reviews	Search Scandinavian Airlines flights
British Airways	PriceFrom $506	Free Cancellation	Rating 6.7 7,969 reviews	Search British Airways flights
Lufthansa	PriceFrom $509	Free Cancellation	Rating 6.8 7,988 reviews	Search Lufthansa flights
Air Canada	PriceFrom $515	Free Cancellation	Rating 7.1 11,017 reviews	Search Air Canada flights
KLM	PriceFrom $528	Free Cancellation	Rating 7.8 1,513 reviews	Search KLM flights
United Airlines	PriceFrom $535	Free Cancellation	Rating 7.4 9,699 reviews	Search United Airlines flights

Why use momondo?

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

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 Washington to Denmark for you.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Denmark from Washington.

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

If you are not ready to book a flight from Washington to Denmark now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Denmark and let you know when they change.

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Popular cities in Denmark

Flights to Copenhagenfrom $425

Flights to Billundfrom $511

Flights to Aalborgfrom $573

Flights to Aarhusfrom $618

Flights to Sønderborgfrom $981

Flights to Karupfrom $1,271

Flights to Esbjergfrom $1,557

Cheap flights from Washington to Denmark from $195

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 Denmark departing on 11/3. 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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How to get the cheapest flight ticket from State of Washington to Denmark

What is the cheapest month to fly to Denmark?

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

What is the cheapest Washington to Denmark flight route?

How far in advance should I book a flight from Washington to Denmark?

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

What is the cheapest airline that flies from Washington to Denmark?

What airlines fly to Denmark?

How long is the flight from State of Washington to Denmark?

Cheap State of Washington to Denmark flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Denmark

Frequently asked questions about flying from Washington to Denmark

Best airlines flying from State of Washington to Denmark

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

Why use momondo?

An easier way to manage your Denmark 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

Popular cities in Denmark

Popular flights according to clicks in the last 7 days on momondo

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List of cabin classes available on flights landing in Denmark. Availability may vary depending on flight origin and airline.

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