HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Denmark

$246+ Cheap flights from Washington to Denmark

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CPH
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington to Denmark with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Washington to Denmark

Keep the following information in mind while searching for Washington to Denmark flight deals. Data was last updated April 24, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$568
(oojo)

One-way from

$246
(Cheapflightsfares)

Popular in

June

Cheapest in

February

Average price

$599

Good round-trip deal

$573 or less

Good one-way deal

$371 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Kastrup Copenhagen flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Kastrup Copenhagen flights.
Search Deals
From Washington to Denmark
Search Deals
One-way flight from Washington to Denmark
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($101 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals
Price to beat on a round-trip flight from Washington to Denmark.
Search Deals
Price to beat on a one-way flight from Washington to Denmark.
Search Deals

Find flight deals from Washington to Denmark

Cheapest flights from Washington to Denmark
Explore the most affordable flight options available from Washington to Denmark. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

This CrystalTravel deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/274:00 pmSEA - CPH
Nonstop9h 30mScandinavian Airlines
Sun 9/71:05 pmCPH - SEA
Nonstop9h 45mScandinavian Airlines
Deal found 4/23$549
This Air Canada deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2711:35 amSEA - CPH
1 stop13h 30mAir Canada
Fri 12/512:15 pmCPH - SEA
1 stop31h 25mAir Canada
Deal found 4/22$557
This CrystalTravel deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/297:00 pmSEA - CPH
1 stop11h 45mIcelandair
Sun 9/77:20 amCPH - SEA
1 stop22h 20mIcelandair
Deal found 4/22$561
This Air Canada deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/137:00 amSEA - CPH
2 stops18h 50mMultiple Airlines
Wed 8/2012:25 pmCPH - SEA
1 stop17h 16mMultiple Airlines
Deal found 4/24$571
This United Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/135:23 pmSEA - CPH
2 stops28h 47mUnited Airlines
Wed 8/203:00 pmCPH - SEA
2 stops38h 41mUnited Airlines
Deal found 4/24$580
This FlightHub deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/84:20 pmSEA - BLL
1 stop13h 45mScandinavian Airlines
Sat 10/183:30 pmBLL - SEA
1 stop31h 30mScandinavian Airlines
Deal found 4/24$598
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/410:59 pmSEA - CPH
1 stop22h 31mDelta
Wed 5/149:00 amCPH - SEA
1 stop20h 23mDelta
Deal found 4/23$625
This American Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/48:20 pmSEA - CPH
1 stop15h 35mAmerican Airlines
Sun 8/242:00 pmCPH - SEA
2 stops18h 50mAmerican Airlines
Deal found 4/24$628
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/293:00 pmSEA - BLL
1 stop15h 00mDelta
Sat 11/86:30 amBLL - SEA
1 stop13h 50mDelta
Deal found 4/23$629
This oojo deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2910:46 amSEA - BLL
2 stops17h 24mBritish Airways
Sat 11/81:05 pmBLL - SEA
2 stops19h 10mBritish Airways
Deal found 4/24$641
This United Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/297:03 amSEA - BLL
3 stops22h 22mUnited Airlines
Sat 11/86:30 amBLL - SEA
2 stops22h 40mUnited Airlines
Deal found 4/24$647
This FlightHub deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/127:15 pmSEA - CPH
2 stops50h 55mLufthansa
Sat 9/207:30 pmCPH - SEA
1 stop30h 29mLufthansa
Deal found 4/23$667

Cheapflights Fare Finder

Customize your flight search to find flights from Washington to Denmark that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 24, 2025.
Use the filters below to find and compare flights from Washington to Denmark that are best for you.

Fly from

Washington

Fly to

Denmark

Route

Depart

Return

Price

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Mon 5/5

7:00 pm-3:45 pm

1 stop11h 45m

Kastrup Copenhagen

Mon 6/2

10:35 pm-11:25 am

1 stop21h 50m

$568

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Wed 10/8

4:20 pm-3:05 pm

1 stop13h 45m

Billund

Sat 10/18

3:30 pm-2:00 pm

1 stop31h 30m

$598

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Mon 5/5

7:00 pm-3:45 pm

1 stop11h 45m

Kastrup Copenhagen

Wed 5/14

3:35 pm-8:42 pm

2 stops38h 07m

$614

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 5/7

11:30 am-10:50 am

1 stop14h 20m

Kastrup Copenhagen

Thu 5/15

12:45 pm-10:45 am

1 stop31h 00m

$617

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sun 5/4

10:59 pm-6:30 am

1 stop22h 31m

Kastrup Copenhagen

Wed 5/14

9:00 am-8:23 pm

1 stop20h 23m

$625

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 5/21

11:30 am-10:50 am

1 stop14h 20m

Kastrup Copenhagen

Tue 5/27

12:45 pm-8:41 pm

2 stops40h 56m

$631

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 6/4

4:00 pm-10:30 am

Nonstop9h 30m

Kastrup Copenhagen

Wed 6/18

1:05 pm-1:50 pm

Nonstop9h 45m

$650

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Tue 7/22

8:20 pm-11:20 pm

1 stop18h 00m

Kastrup Copenhagen

Tue 7/29

8:50 am-7:11 pm

2 stops19h 21m

$652

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Tue 10/7

1:30 pm-10:25 pm

1 stop23h 55m

Billund

Sat 10/18

6:00 am-11:50 am

1 stop14h 50m

$673

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Tue 7/15

10:55 pm-6:30 am

1 stop22h 35m

Kastrup Copenhagen

Thu 7/24

9:00 am-7:39 pm

1 stop19h 39m

$674

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 51 results
1
2
3
...
6

Best time to book a flight from Washington to Denmark

Have a flexible travel schedule? Discover the best time to fly to Denmark from Washington with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington to Denmark

What is the cheapest month to book a flight from State of Washington to Denmark?

Currently, November is the cheapest month in which you can book a flight from State of Washington to Denmark (average of $523). Flying from State of Washington to Denmark in June is currently the most expensive (average of $953). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WA to DK?

Find hourly flight availability from Washington to Denmark. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 24, 2025.

When flying from State of Washington to Denmark, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Denmark by month

Plan your trip to Denmark by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Denmark ranges from 0.8 - 2.8 inches per month. August is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Denmark when rainfall is around 0.8 in.

Temperature in Denmark by month

Plan your trip to Denmark by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Denmark, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Denmark

Get insights into the airlines that provide service to Denmark. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denmark. Reviews last updated April 24, 2025.
See what other customers who have flown with Delta, KLM and Finnair from Washington to Denmark have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,272 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,582 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Washington to Denmark. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this State of Washington to Denmark flight route?

    The Washington to Denmark flight path was viewed by 2 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from State of Washington to Denmark one-way?

    To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $246. United Airlines flights start at $479 while deals on Air Canada start at $496 one-way.

  • Can I find deals for flights from Washington to Denmark that include hotel bookings?

    Yes. In addition to deals on Washington to Denmark flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Denmark?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Denmark.

  • Can I find deals for business class flights from Washington to Denmark?

    Yes. Cheapflights offers flight deals from Washington to Denmark by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from State of Washington to Denmark?

    Currently, November is the cheapest month in which you can book a flight from State of Washington to Denmark (average of $523). Flying from State of Washington to Denmark in June is currently the most expensive (average of $953). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington to Denmark

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
John F Kennedy Intl to Charles de Gaulle flights
Newark to Heathrow flights
John F Kennedy Intl to Leonardo da Vinci/Fiumicino flights
Newark to Charles de Gaulle flights
John F Kennedy Intl to Gatwick flights
Newark to Leonardo da Vinci/Fiumicino flights
Newark to Athens flights
John F Kennedy Intl to Lisbon flights
LaGuardia to Heathrow flights
Dulles Intl to Heathrow flights
John F Kennedy Intl to Istanbul flights
John F Kennedy Intl to Orly flights
John F Kennedy Intl to London City flights
Newark to Lisbon flights
Newark to Orly flights
Boston to Heathrow flights
John F Kennedy Intl to Barcelona-El Prat flights
Newark to Gatwick flights
John F Kennedy Intl to Athens flights
Newark to Barcelona-El Prat flights
San Francisco to Heathrow flights
LaGuardia to Charles de Gaulle flights
Miami to Madrid flights
Los Angeles to Heathrow flights
O'Hare Intl to Heathrow flights
O'Hare Intl to Leonardo da Vinci/Fiumicino flights
Baltimore to Heathrow flights
John F Kennedy Intl to Madrid flights
John F Kennedy Intl to Malpensa flights
Seattle to Heathrow flights
LaGuardia to Leonardo da Vinci/Fiumicino flights
Newark to Madrid flights
Dulles Intl to Charles de Gaulle flights
O'Hare Intl to Charles de Gaulle flights
Newark to Dublin flights
Newark to Malpensa flights
Dallas/Fort Worth to Heathrow flights
John F Kennedy Intl to Dublin flights
O'Hare Intl to Athens flights
Dulles Intl to Leonardo da Vinci/Fiumicino flights
Boston to Leonardo da Vinci/Fiumicino flights
Boston to Charles de Gaulle flights
Dallas/Fort Worth to Charles de Gaulle flights
Los Angeles to Leonardo da Vinci/Fiumicino flights
Boston to Athens flights
Atlanta to Heathrow flights
LaGuardia to Gatwick flights
LaGuardia to Athens flights
Newark to London City flights

Top 10 airlines flying from Washington to Denmark

Discover the top 10 airlines that operate flights from Washington to Denmark. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$415Average$727FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$492Average$682FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$492Average$688FlexibilityNo cancel feeOn-time71%
Scandinavian AirlinesCheapest$496Average$837FlexibilityNo cancel feeOn-time77%
FinnairCheapest$513Average$770FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$520Average$671FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$521Average$728FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$532Average$753FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$553Average$750FlexibilityNo cancel feeOn-time76%
DeltaCheapest$560Average$952FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.