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

WestJet, Finnair, and British Airways are the most popular carriers operating from Denmark to Washington

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

If you’re flying from a popular airport in Denmark, such as Copenhagen or Billund, and flying into State of Washington, then you can expect flight times to average 9h 40m and 12h 55m, respectively.

What airlines fly to State of Washington?

Icelandair, Scandinavian Airlines and Delta are the top three most popular airlines that fly to State of Washington from Denmark according to our data. Icelandair is the first choice among our users, with 40% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 4 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 Denmark to Washington?

Prices for flights from Denmark to Washington are refreshed on a daily basis.

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

As of August 2026, there are 5 operators available to choose from for flights from Denmark to Washington.

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

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 Denmark to Washington.

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

The travel and health documents required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$402 Cheap Flights from Denmark to Washington in 2026

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Find the cheapest flights from Denmark to Washington

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One-way

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Direct

Recent round-trip flight deals from Denmark to Washington

Enter your travel dates to find the best prices.

9:30 pm - 12:11 amBLL Billund-SEA Seattle/Tacoma Intl

35h 41m2 stops London Heathrow Chicago O'Hare Intl

10:31 am - 2:30 pmSEA Seattle/Tacoma Intl-BLL Billund

18h 59m2 stops Chicago O'Hare Intl London Heathrow

$490Multiple Airlines

Mon, Sep 28 - Mon, Oct 5

12:55 pm - 5:50 pmBLL Billund-SEA Seattle/Tacoma Intl

12h 55m1 stop London Heathrow

1:40 pm - 8:00 pmSEA Seattle/Tacoma Intl-BLL Billund

21h 20m1 stop London Heathrow

$524British Airways

Thu, Oct 29 - Thu, Nov 5

10:35 pm - 5:55 pmCPH Kastrup Copenhagen-PDX Portland

28h 20m1 stop Reykjavik Keflavik Intl

3:30 pm - 9:45 pmPDX Portland-CPH Kastrup Copenhagen

21h 15m1 stop Reykjavik Keflavik Intl

$561Icelandair

Mon, Oct 5 - Mon, Oct 19

10:35 pm - 5:55 pmCPH Kastrup Copenhagen-PDX Portland

28h 20m1 stop Reykjavik Keflavik Intl

3:30 pm - 9:45 pmPDX Portland-CPH Kastrup Copenhagen

21h 15m1 stop Reykjavik Keflavik Intl

$585Icelandair

Mon, Oct 5 - Mon, Oct 19

7:10 pm - 11:10 amCPH Kastrup Copenhagen-PDX Portland

25h 00m1 stop Amsterdam Schiphol

7:00 am - 6:45 amPDX Portland-CPH Kastrup Copenhagen

14h 45m1 stop New York John F Kennedy Intl

$619KLM

Mon, Oct 5 - Mon, Oct 19

11:30 am - 4:27 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

13h 57m1 stop Amsterdam Schiphol

6:00 am - 11:45 amSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

20h 45m1 stop Minneapolis St Paul

$642Delta

Fri, Aug 28 - Sun, Sep 13

11:50 am - 4:35 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

13h 45m1 stop Amsterdam Schiphol

7:15 am - 11:05 amSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

18h 50m2 stops Chicago O'Hare Intl Amsterdam Schiphol

$642Delta

Wed, Sep 2 - Wed, Sep 16

1:05 pm - 1:45 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

9h 40mnonstop

3:55 pm - 10:10 amSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

9h 15mnonstop

$710Scandinavian Airlines

Fri, Sep 18 - Fri, Oct 2

1:05 pm - 1:45 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

9h 40mnonstop

3:55 pm - 10:10 amSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

9h 15mnonstop

$712Scandinavian Airlines

Sun, Sep 27 - Sun, Oct 4

6:20 am - 2:51 pmCPH Kastrup Copenhagen-PDX Portland

17h 31m2 stops Frankfurt am Main Vancouver Intl

8:40 am - 2:30 pmPDX Portland-CPH Kastrup Copenhagen

20h 50m2 stops Denver Intl Frankfurt am Main

$739United Airlines

Tue, Oct 20 - Sat, Oct 24

Recent last minute flight deals from Denmark to Washington

Enter your travel dates to find the best prices.

9:50 pm - 11:35 amBLL Billund-SEA Seattle/Tacoma Intl

22h 45m1 stop London Heathrow

1:30 pm - 7:50 pmSEA Seattle/Tacoma Intl-BLL Billund

21h 20m1 stop London Heathrow

$736British Airways

Wed, Aug 19 - Tue, Aug 25

9:50 pm - 11:35 amBLL Billund-SEA Seattle/Tacoma Intl

22h 45m1 stop London Heathrow

3:47 pm - 7:50 pmSEA Seattle/Tacoma Intl-BLL Billund

19h 03m2 stops Dallas/Fort Worth London Heathrow

$747British Airways

Wed, Aug 19 - Tue, Aug 25

9:50 pm - 6:47 pmBLL Billund-SEA Seattle/Tacoma Intl

29h 57m2 stops London Heathrow Dallas/Fort Worth

3:47 pm - 7:50 pmSEA Seattle/Tacoma Intl-BLL Billund

19h 03m2 stops Dallas/Fort Worth London Heathrow

$764British Airways

Wed, Aug 19 - Tue, Aug 25

7:20 am - 11:45 amCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

13h 25m1 stop Reykjavik Keflavik Intl

11:25 pm - 6:20 amSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

21h 55m1 stop Reykjavik Keflavik Intl

$844Icelandair

Wed, Aug 19 - Wed, Sep 2

4:55 pm - 8:40 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

12h 45m1 stop Reykjavik Keflavik Intl

11:25 pm - 6:20 amSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

21h 55m1 stop Reykjavik Keflavik Intl

$844Icelandair

Wed, Aug 19 - Wed, Sep 2

6:20 am - 9:31 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

24h 11m2 stops Frankfurt am Main Denver Intl

12:10 pm - 5:20 pmSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

44h 10m3 stops Houston George Bush Intcntl Chicago O'Hare Intl Brussels Bruxelles-National

$942United Airlines

Tue, Aug 18 - Wed, Sep 2

6:20 am - 6:41 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

21h 21m2 stops Frankfurt am Main Newark

12:10 pm - 5:20 pmSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

44h 10m3 stops Houston George Bush Intcntl Chicago O'Hare Intl Brussels Bruxelles-National

$942United Airlines

Wed, Aug 19 - Wed, Sep 2

6:00 am - 4:27 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

19h 27m1 stop Amsterdam Schiphol

1:30 pm - 9:15 amSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

34h 45m1 stop Paris Charles de Gaulle

$1,066Delta

Sat, Aug 15 - Sat, Aug 29

1:05 pm - 1:45 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

9h 40mnonstop

7:15 am - 8:40 amSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

16h 25m1 stop New York John F Kennedy Intl

$1,292Scandinavian Airlines

Tue, Aug 18 - Wed, Sep 2

6:00 am - 4:27 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

19h 27m1 stop Amsterdam Schiphol

3:55 pm - 10:10 amSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

9h 15mnonstop

$1,453Delta

Sat, Aug 15 - Sat, Aug 29

Recent direct flight deals from Denmark to Washington

Enter your travel dates to find the best prices.

1:05 pm - 1:45 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

9h 40mnonstop

3:55 pm - 10:10 amSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

9h 15mnonstop

$710Scandinavian Airlines

Fri, Sep 18 - Fri, Oct 2

1:05 pm - 1:45 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

9h 40mnonstop

3:55 pm - 10:10 amSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

9h 15mnonstop

$712Scandinavian Airlines

Sun, Sep 27 - Sun, Oct 4

1:05 pm - 1:45 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

9h 40mnonstop

3:55 pm - 10:10 amSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

9h 15mnonstop

$715Scandinavian Airlines

Sat, Sep 12 - Fri, Sep 25

1:05 pm - 1:45 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

9h 40mnonstop

3:55 pm - 10:10 amSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

9h 15mnonstop

$718Scandinavian Airlines

Fri, Sep 18 - Fri, Oct 2

1:05 pm - 1:45 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

9h 40mnonstop

3:55 pm - 10:10 amSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

9h 15mnonstop

$1,210Air France

Sat, Sep 12 - Fri, Sep 25

1:05 pm - 1:45 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

9h 40mnonstop

3:55 pm - 10:10 amSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

9h 15mnonstop

$1,223Air France

Fri, Sep 11 - Fri, Sep 25

1:05 pm - 1:45 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

9h 40mnonstop

3:55 pm - 10:10 amSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

9h 15mnonstop

$1,224Air France

Sat, Sep 12 - Fri, Sep 25

1:05 pm - 1:45 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

9h 40mnonstop

3:55 pm - 10:10 amSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

9h 15mnonstop

$1,250Delta

Fri, Sep 18 - Sun, Sep 27

1:05 pm - 1:45 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

9h 40mnonstop

3:55 pm - 10:10 amSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

9h 15mnonstop

$1,261Delta

Fri, Sep 18 - Fri, Oct 2

1:05 pm - 1:45 pmCPH Kastrup Copenhagen-SEA Seattle/Tacoma Intl

9h 40mnonstop

3:55 pm - 10:10 amSEA Seattle/Tacoma Intl-CPH Kastrup Copenhagen

9h 15mnonstop

$1,262Delta

Fri, Sep 18 - Fri, Oct 2

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British Airways flights from Denmark to State of Washington

Our best British Airways deals on Denmark to State of Washington flight tickets

British Airways

Oct 29

BLL12:55 pmBillund

12h 55m

1 stop

SEA5:50 pmSeattle/Tacoma Intl

Nov 5

SEA1:40 pmSeattle/Tacoma Intl

21h 20m

1 stop

BLL8:00 pmBillund

$524

British Airways

Oct 29

BLL1:00 pmBillund

12h 50m

1 stop

SEA5:50 pmSeattle/Tacoma Intl

Nov 5

SEA1:40 pmSeattle/Tacoma Intl

21h 20m

1 stop

BLL8:00 pmBillund

$525

British Airways

Oct 29

BLL12:55 pmBillund

12h 55m

1 stop

SEA5:50 pmSeattle/Tacoma Intl

Nov 5

SEA6:12 amSeattle/Tacoma Intl

20h 28m

2 stops

BLL11:40 amBillund

$526

Virgin Atlantic flights from Denmark to State of Washington

Our best Virgin Atlantic deals on Denmark to State of Washington flight tickets

Virgin Atlantic

Sep 12

CPH9:00 amKastrup Copenhagen

23h 20m

1 stop

SEA11:20 pmSeattle/Tacoma Intl

Sep 25

SEA10:40 pmSeattle/Tacoma Intl

23h 05m

1 stop

CPH6:45 amKastrup Copenhagen

$643

Virgin Atlantic

Sep 12

CPH9:00 amKastrup Copenhagen

23h 20m

1 stop

SEA11:20 pmSeattle/Tacoma Intl

Sep 25

SEA4:01 pmSeattle/Tacoma Intl

29h 44m

1 stop

CPH6:45 amKastrup Copenhagen

$644

Virgin Atlantic

Sep 26

CPH9:00 amKastrup Copenhagen

22h 05m

2 stops

SEA10:05 pmSeattle/Tacoma Intl

Oct 3

SEA10:40 pmSeattle/Tacoma Intl

23h 05m

1 stop

CPH6:45 amKastrup Copenhagen

$646

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BillundSeattle

BLL Billund - SEA Seattle/Tacoma Intl

BLLSEA

Billund

Mon 9/28

9:30 pm-12:11 am

2 stops35h 41m

Seattle/Tacoma Intl

Mon 10/5

10:31 am-2:30 pm

2 stops18h 59m

$490

BillundSeattle

BLL Billund - SEA Seattle/Tacoma Intl

BLLSEA

Billund

Thu 10/29

12:55 pm-5:50 pm

1 stop12h 55m

Seattle/Tacoma Intl

Thu 11/5

1:40 pm-8:00 pm

1 stop21h 20m

$524

CopenhagenPortland

CPH Kastrup Copenhagen - PDX Portland

CPHPDX

Kastrup Copenhagen

Mon 10/5

10:35 pm-5:55 pm

1 stop28h 20m

Portland

Mon 10/19

3:30 pm-9:45 pm

1 stop21h 15m

$561

CopenhagenPortland

CPH Kastrup Copenhagen - PDX Portland

CPHPDX

Kastrup Copenhagen

Mon 10/5

10:35 pm-5:55 pm

1 stop28h 20m

Portland

Mon 10/19

3:30 pm-9:45 pm

1 stop21h 15m

$585

CopenhagenPortland

CPH Kastrup Copenhagen - PDX Portland

CPHPDX

Kastrup Copenhagen

Mon 10/5

7:10 pm-11:10 am

1 stop25h 00m

Portland

Mon 10/19

7:00 am-6:45 am

1 stop14h 45m

$619

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Fri 8/28

11:30 am-4:27 pm

1 stop13h 57m

Seattle/Tacoma Intl

Sun 9/13

6:00 am-11:45 am

1 stop20h 45m

$642

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Wed 9/2

11:50 am-4:35 pm

1 stop13h 45m

Seattle/Tacoma Intl

Wed 9/16

7:15 am-11:05 am

2 stops18h 50m

$642

Quickest round-trip

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Fri 9/18

1:05 pm-1:45 pm

Nonstop9h 40m

Seattle/Tacoma Intl

Fri 10/2

3:55 pm-10:10 am

Nonstop9h 15m

$710

CopenhagenSeattle

CPH Kastrup Copenhagen - SEA Seattle/Tacoma Intl

CPHSEA

Kastrup Copenhagen

Sun 9/27

1:05 pm-1:45 pm

Nonstop9h 40m

Seattle/Tacoma Intl

Sun 10/4

3:55 pm-10:10 am

Nonstop9h 15m

$712

CopenhagenPortland

CPH Kastrup Copenhagen - PDX Portland

CPHPDX

Kastrup Copenhagen

Tue 10/20

6:20 am-2:51 pm

2 stops17h 31m

Portland

Sat 10/24

8:40 am-2:30 pm

2 stops20h 50m

$739

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 Denmark 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

Other information

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 Denmark, with most prices found around $567. 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 $630.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Denmark to State of Washington is on a Friday. Travelers who choose to depart for State of Washington on a Friday will often find tickets for as low as $1,033. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Denmark to State of Washington for around $1,408.

What is the cheapest Denmark to Washington flight route?

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

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

You are more likely to see cheaper flights to State of Washington from Denmark when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $707 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 Denmark for as low as $658 on momondo.

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

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

You could potentially save up to 39% on your flight if you consider stops on a Denmark to State of Washington flight.

Cheap Denmark to State of Washington flight deals and tips

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

Best Price Found	$841
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 Denmark in the past 72 hours is $841. The best round-trip flight deal from Denmark to State of Washington found on momondo in the last 72 hours is $1,414.

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

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

There are 96 airports in State of Washington. From Denmark there are direct flights to Seattle/Tacoma Intl (SEA).

Search flight deals

Frequently asked questions about flying from Denmark to Washington

When did momondo last update prices for flights from Denmark to Washington?
Prices for flights from Denmark to Washington are refreshed on a daily basis.
How many operators does momondo search for flights from Denmark to Washington?
As of August 2026, there are 5 operators available to choose from for flights from Denmark to Washington.
How old do you have to be to fly from Denmark to Washington?
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 Denmark to Washington.
What documentation or ID do you need to fly to Washington?
The travel and health documents required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Denmark to State of Washington?
Based on momondo bookings for flights between Denmark and State of Washington, the leading plane model is Airbus A350-900, making up 99.17% of the total bookings. Other popular models include Airbus A330-300 with 0.83%.

Best airlines flying from Denmark to State of Washington

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

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $469	Free Cancellation	Rating 6.9 732 reviews	Search Icelandair flights
Delta	PriceFrom $545	Free Cancellation	Rating 7.8 8,507 reviews	Search Delta flights
United Airlines	PriceFrom $592	Free Cancellation	Rating 7.4 10,110 reviews	Search United Airlines flights
Scandinavian Airlines	PriceFrom $738	Free Cancellation	Rating 7.4 1,950 reviews	Search Scandinavian Airlines flights

Why use momondo?

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

Finding the right flight to Washington from Denmark is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington quick and easy, saving you time and money.

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

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

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

momondo provides multiple filters to help you find the best flight to Washington from Denmark. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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