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 52% of people opting to fly with this airline when traveling to Denmark. Keep in mind that there are 11 different airlines that fly to Denmark on a routine basis, so you have a few additional options to choose from.

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 20m on average. Copenhagen is the most popular airport in Denmark.

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

Delta, KLM, and American Airlines are the most popular carriers operating 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 March 2026, there are 11 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.

$97 Cheap Flights from Washington to Denmark in 2026

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Find the cheapest flights from Washington to Denmark

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 pm - 3:55 pm

SEA

CPH

11h 55m

1 stop

7:20 am - 8:40 pm

CPH

SEA

22h 20m

1 stop

$447Icelandair

Thu, Apr 16 - Sun, Apr 26

3:40 pm - 12:55 pm

SEA

CPH

12h 15m

1 stop

4:55 pm - 8:40 pm

CPH

SEA

12h 45m

1 stop

$448Icelandair

Mon, Apr 13 - Tue, Apr 21

7:00 pm - 3:55 pm

SEA

CPH

11h 55m

1 stop

7:20 am - 8:40 pm

CPH

SEA

22h 20m

1 stop

$449Icelandair

Tue, Apr 14 - Sun, Apr 26

7:00 am - 6:45 am

PDX

CPH

14h 45m

1 stop

9:00 am - 11:56 pm

CPH

PDX

23h 56m

2 stops

$543Virgin Atlantic

Mon, Apr 13 - Tue, Apr 28

6:40 pm - 11:20 am

SEA

BLL

31h 40m

1 stop

6:00 am - 11:45 am

BLL

SEA

14h 45m

1 stop

$596Multiple Airlines

Sun, Apr 19 - Sun, Apr 26

7:15 am - 11:20 am

SEA

BLL

19h 05m

2 stops

6:00 am - 11:45 am

BLL

SEA

14h 45m

1 stop

$599Delta

Sun, Apr 19 - Sun, Apr 26

1:45 pm - 1:30 pm

SEA

BLL

14h 45m

1 stop

11:45 am - 11:42 am

BLL

SEA

32h 57m

1 stop

$609Delta

Thu, May 7 - Mon, May 11

7:20 pm - 5:50 pm

SEA

BLL

37h 30m

2 stops

6:05 am - 12:20 pm

BLL

SEA

15h 15m

1 stop

$708United Airlines

Tue, May 5 - Tue, May 12

5:05 am - 2:10 pm

SEA

BLL

24h 05m

2 stops

6:00 am - 12:20 pm

BLL

SEA

15h 20m

1 stop

$712United Airlines

Mon, May 4 - Mon, May 11

1:19 pm - 4:15 pm

GEG

CPH

17h 56m

2 stops

8:50 am - 8:47 pm

CPH

GEG

20h 57m

2 stops

$794Multiple Airlines

Tue, Sep 1 - Tue, Sep 15

Icelandair flights from State of Washington to Denmark

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

Icelandair

Apr 16

SEA7:00 pmSeattle/Tacoma Intl

11h 55m

1 stop

CPH3:55 pmKastrup Copenhagen

Apr 26

CPH7:20 amKastrup Copenhagen

22h 20m

1 stop

SEA8:40 pmSeattle/Tacoma Intl

$447

Icelandair

Apr 13

SEA7:00 pmSeattle/Tacoma Intl

11h 55m

1 stop

CPH3:55 pmKastrup Copenhagen

Apr 23

CPH2:00 pmKastrup Copenhagen

12h 55m

1 stop

SEA5:55 pmSeattle/Tacoma Intl

$448

Icelandair

Apr 14

SEA7:00 pmSeattle/Tacoma Intl

11h 55m

1 stop

CPH3:55 pmKastrup Copenhagen

Apr 26

CPH7:20 amKastrup Copenhagen

22h 20m

1 stop

SEA8:40 pmSeattle/Tacoma Intl

$449

Air Canada flights from State of Washington to Denmark

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

Air Canada

Apr 13

SEA8:00 pmSeattle/Tacoma Intl

29h 50m

2 stops

CPH10:50 amKastrup Copenhagen

Apr 24

CPH12:45 pmKastrup Copenhagen

18h 08m

1 stop

SEA9:53 pmSeattle/Tacoma Intl

$508

Air Canada

Apr 13

SEA8:00 pmSeattle/Tacoma Intl

29h 50m

2 stops

CPH10:50 amKastrup Copenhagen

Apr 22

CPH12:45 pmKastrup Copenhagen

18h 08m

1 stop

SEA9:53 pmSeattle/Tacoma Intl

$509

Air Canada

Mar 30

SEA5:40 amSeattle/Tacoma Intl

20h 10m

2 stops

CPH10:50 amKastrup Copenhagen

Apr 5

CPH12:45 pmKastrup Copenhagen

18h 08m

1 stop

SEA9:53 pmSeattle/Tacoma Intl

$610

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Thu 4/16

7:00 pm-3:55 pm

1 stop11h 55m

Kastrup Copenhagen

Sun 4/26

7:20 am-8:40 pm

1 stop22h 20m

$447

Quickest round-trip

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Mon 4/13

3:40 pm-12:55 pm

1 stop12h 15m

Kastrup Copenhagen

Tue 4/21

4:55 pm-8:40 pm

1 stop12h 45m

$448

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Tue 4/14

7:00 pm-3:55 pm

1 stop11h 55m

Kastrup Copenhagen

Sun 4/26

7:20 am-8:40 pm

1 stop22h 20m

$449

PortlandCopenhagen

PDX - CPH

PDXCPH

Portland

Mon 4/13

7:00 am-6:45 am

1 stop14h 45m

Kastrup Copenhagen

Tue 4/28

9:00 am-11:56 pm

2 stops23h 56m

$543

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sun 4/19

6:40 pm-11:20 am

1 stop31h 40m

Billund

Sun 4/26

6:00 am-11:45 am

1 stop14h 45m

$596

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sun 4/19

7:15 am-11:20 am

2 stops19h 05m

Billund

Sun 4/26

6:00 am-11:45 am

1 stop14h 45m

$599

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Thu 5/7

1:45 pm-1:30 pm

1 stop14h 45m

Billund

Mon 5/11

11:45 am-11:42 am

1 stop32h 57m

$609

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Tue 5/5

7:20 pm-5:50 pm

2 stops37h 30m

Billund

Tue 5/12

6:05 am-12:20 pm

1 stop15h 15m

$708

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Mon 5/4

5:05 am-2:10 pm

2 stops24h 05m

Billund

Mon 5/11

6:00 am-12:20 pm

1 stop15h 20m

$712

SpokaneCopenhagen

GEG - CPH

GEGCPH

Spokane

Tue 9/1

1:19 pm-4:15 pm

2 stops17h 56m

Kastrup Copenhagen

Tue 9/15

8:50 am-8:47 pm

2 stops20h 57m

$794

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

Prices

Airlines

Other information

What is the cheapest month to fly to Denmark?

In general, February 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 $447. If you aren’t able to travel to Denmark during the month of February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $523.

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 $646. On the other hand, Saturday 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 $724.

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 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 $605 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 $603 on momondo.

What cabin class options are available on Washington to Denmark flights?

There are 3 cabin classes available to choose from on Washington to Denmark 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 Denmark flights?

You could potentially save up to 62% 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	$389
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 $389. The best round-trip flight deal from State of Washington to Denmark found on momondo in the last 72 hours is $600.

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

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 March 2026, there are 11 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 39.90% of the total bookings. Other popular models include Airbus A330-900neo with 18.03%, Boeing 787-9 Dreamliner with 10.18%, and Boeing 787-10 Dreamliner with 7.85%.

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
SWISS	PriceFrom $371	Free Cancellation	Rating 7.5 1,904 reviews	Search SWISS flights
Finnair	PriceFrom $385	Free Cancellation	Rating 7.7 1,374 reviews	Search Finnair flights
Icelandair	PriceFrom $419	Free Cancellation	Rating 7.0 625 reviews	Search Icelandair flights
Delta	PriceFrom $421	Free Cancellation	Rating 7.9 8,330 reviews	Search Delta flights
Air France	PriceFrom $469	Free Cancellation	Rating 7.4 1,553 reviews	Search Air France flights
Scandinavian Airlines	PriceFrom $498	Free Cancellation	Rating 7.3 1,724 reviews	Search Scandinavian Airlines flights
British Airways	PriceFrom $506	Free Cancellation	Rating 6.7 7,821 reviews	Search British Airways flights
KLM	PriceFrom $528	Free Cancellation	Rating 7.8 1,478 reviews	Search KLM flights
Lufthansa	PriceFrom $530	Free Cancellation	Rating 6.8 7,870 reviews	Search Lufthansa flights
United Airlines	PriceFrom $535	Free Cancellation	Rating 7.4 9,483 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 $358

Flights to Billundfrom $437

Flights to Aalborgfrom $418

Flights to Aarhusfrom $466

Flights to Sønderborgfrom $1,020

Flights to Karupfrom $760

Flights to Esbjergfrom $1,311

Cheap flights from Washington to Denmark from $97

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 5/29. 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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Icelandair flights from State of Washington to Denmark

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

Air Canada flights from State of Washington to Denmark

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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 to Denmark?

What cabin class options are available on Washington to Denmark flights?

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

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

State of Washington flight routes

According to popular flight searches on momondo this year

Denmark flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Denmark

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Denmark

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

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According to popular flight searches on momondo this year