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Denmark

$262+ 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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CPH
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$467
(Flybillet)

One-way from

$262
(Trip.com)

Popular in

June

Cheapest in

February

Average price

$602

Good round-trip deal

$767 or less

Good one-way deal

$450 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Kastrup Copenhagen flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Kastrup Copenhagen flights.
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From Washington to Denmark
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One-way flight from Washington to Denmark
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Highest demand for flights based on searches. 15% potential increase in price ($117 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Washington to Denmark.
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Price to beat on a one-way flight from Washington to Denmark.
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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 March 31, 2025.

This Flybillet deal was found by Cheapflights users on 3/30. 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 Flybillet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/247:00 pmSEA - BLL
1 stop17h 35mIcelandair
Mon 4/2810:35 pmBLL - SEA
1 stop31h 05mIcelandair
Deal found 3/30$467
This oojo deal was found by Cheapflights users on 3/31. 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.
Sun 10/123:45 pmSEA - CPH
1 stop21h 00mIcelandair
Thu 10/232:00 pmCPH - SEA
1 stop12h 50mIcelandair
Deal found 3/31$534
This FlightHub deal was found by Cheapflights users on 3/30. 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 10/14:20 pmSEA - CPH
Nonstop9h 40mScandinavian Airlines
Wed 10/151:05 pmCPH - SEA
Nonstop9h 55mScandinavian Airlines
Deal found 3/30$538
This Air France deal was found by Cheapflights users on 3/30. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/316:40 pmSEA - CPH
1 stop18h 25mAir France
Mon 4/76:10 amCPH - SEA
1 stop20h 30mAir France
Deal found 3/30$568
This Delta deal was found by Cheapflights users on 3/30. 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.
Mon 3/316:20 amSEA - CPH
2 stops19h 20mDelta
Mon 4/76:10 amCPH - SEA
1 stop20h 30mDelta
Deal found 3/30$573
This United deal was found by Cheapflights users on 3/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1210:50 pmSEA - CPH
2 stops27h 00mUnited Airlines
Thu 10/2312:25 pmCPH - SEA
2 stops39h 34mUnited Airlines
Deal found 3/31$595
This Ticket deal was found by Cheapflights users on 3/30. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1411:30 amSEA - CPH
1 stop14h 20mAir Canada
Wed 5/216:10 amCPH - SEA
2 stops22h 27mAir Canada
Deal found 3/30$596
This FlightHub deal was found by Cheapflights users on 3/30. 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.
Sat 11/227:05 pmSEA - CPH
2 stops31h 50mMultiple Airlines
Mon 12/16:15 pmCPH - SEA
1 stop28h 05mMultiple Airlines
Deal found 3/30$609
This Air France deal was found by Cheapflights users on 3/31. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/291:30 pmSEA - BLL
1 stop16h 30mAir France
Sat 11/86:30 amBLL - SEA
1 stop13h 50mAir France
Deal found 3/31$623
This Delta deal was found by Cheapflights users on 3/31. 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 10/2911:25 amSEA - BLL
2 stops18h 35mDelta
Sat 11/86:30 amBLL - SEA
1 stop13h 50mDelta
Deal found 3/31$628
This Priceline deal was found by Cheapflights users on 3/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/141:40 pmSEA - AAL
2 stops39h 15mScandinavian Airlines
Wed 5/219:45 amAAL - SEA
1 stop13h 05mScandinavian Airlines
Deal found 3/30$630
This KLM deal was found by Cheapflights users on 3/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/216:10 pmSEA - AAL
1 stop34h 35mKLM
Mon 4/2810:20 amAAL - SEA
1 stop34h 25mKLM
Deal found 3/29$646

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 March 31, 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

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Thu 4/24

7:00 pm-9:35 pm

1 stop17h 35m

Billund

Mon 4/28

10:35 pm-8:40 pm

1 stop31h 05m

$467

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Mon 6/16

4:00 pm-10:30 am

Nonstop9h 30m

Kastrup Copenhagen

Sat 6/28

1:05 pm-1:50 pm

Nonstop9h 45m

$539

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 5/14

7:00 pm-9:45 pm

1 stop17h 45m

Kastrup Copenhagen

Wed 5/21

10:35 pm-8:40 pm

1 stop31h 05m

$559

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 5/14

11:30 am-10:50 am

1 stop14h 20m

Kastrup Copenhagen

Wed 5/21

6:10 am-7:37 pm

2 stops22h 27m

$596

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 9/17

12:20 pm-10:50 am

1 stop13h 30m

Kastrup Copenhagen

Wed 9/24

12:20 pm-10:29 pm

2 stops43h 09m

$619

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Mon 5/26

6:00 am-3:10 pm

1 stop24h 10m

Kastrup Copenhagen

Mon 6/9

1:05 pm-1:50 pm

Nonstop9h 45m

$629

SeattleAalborg

SEA - AAL

SEAAAL

Seattle/Tacoma Intl

Wed 5/14

1:40 pm-1:55 pm

2 stops39h 15m

Aalborg

Wed 5/21

9:45 am-1:50 pm

1 stop13h 05m

$630

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Tue 4/29

1:30 pm-1:10 pm

1 stop14h 40m

Kastrup Copenhagen

Mon 5/5

9:00 am-8:03 pm

1 stop20h 03m

$633

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Tue 4/15

6:20 am-10:40 am

2 stops19h 20m

Kastrup Copenhagen

Tue 5/13

9:00 am-10:43 pm

1 stop22h 43m

$638

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Tue 4/29

1:30 pm-10:25 pm

1 stop23h 55m

Billund

Mon 5/5

11:45 am-5:25 pm

1 stop14h 40m

$640

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 51 results
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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 March 31, 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 March 31, 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
7,899 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

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
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

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
1,321 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

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
1,267 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

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
1,570 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

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.
Air France
7.4
Good
1,425 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

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 $273. Air Canada flights start at $499 while deals on Scandinavian Airlines start at $538 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

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Alternative routes for Washington to Denmark

See prices for flight routes from nearby airports that may be better suited for you.
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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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$416Average$726FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$492Average$697FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$493Average$682FlexibilityNo cancel feeOn-time70%
FinnairCheapest$513Average$788FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$520Average$692FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$521Average$728FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$532Average$765FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$553Average$827FlexibilityNo cancel feeOn-time76%
DeltaCheapest$560Average$972FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$571Average$881FlexibilityNo cancel feeOn-time77%
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