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$337+ 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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CPH
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$470
(Booking.com)

One-way from

$337
(oojo)

Popular in

June

Cheapest in

November

Average price

$657

Good round-trip deal

$714 or less

Good one-way deal

$462 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. 16% potential increase in price ($132 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This Booking.com deal was found by Cheapflights users on 2/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/243:35 pmSEA - CPH
1 stop20h 15mIcelandair
Sun 4/610:35 pmCPH - SEA
1 stop28h 15mIcelandair
Deal found 2/20$470
This Ticket deal was found by Cheapflights users on 2/20. 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.
Sun 3/97:50 pmSEA - CPH
1 stop15h 40mBritish Airways
Tue 3/253:40 pmCPH - SEA
1 stop34h 15mBritish Airways
Deal found 2/20$511
This StudentUniverse deal was found by Cheapflights users on 2/19. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/97:50 pmSEA - CPH
2 stops20h 05mFinnair
Tue 4/112:25 pmCPH - SEA
2 stops19h 42mFinnair
Deal found 2/19$540
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Sun 3/97:50 pmSEA - CPH
1 stop17h 50mAmerican Airlines
Tue 3/258:40 amCPH - SEA
2 stops22h 29mAmerican Airlines
Deal found 2/20$544
This Delta deal was found by Cheapflights users on 2/20. 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 3/127:15 amSEA - CPH
2 stops18h 05mDelta
Wed 3/266:00 amCPH - SEA
1 stop14h 40mDelta
Deal found 2/20$565
This KLM deal was found by Cheapflights users on 2/20. 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.
Wed 3/123:15 pmSEA - CPH
1 stop17h 00mKLM
Wed 3/263:20 pmCPH - SEA
1 stop29h 20mKLM
Deal found 2/20$566
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Mon 10/1312:20 pmSEA - CPH
1 stop13h 30mUnited Airlines
Wed 10/2911:15 amCPH - SEA
2 stops37h 23mUnited Airlines
Deal found 2/20$591
This Delta deal was found by Cheapflights users on 2/19. 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 3/95:10 pmPDX - CPH
2 stops36h 05mDelta
Mon 3/2412:05 pmCPH - PDX
2 stops42h 27mDelta
Deal found 2/19$598
This KLM deal was found by Cheapflights users on 2/19. 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.
Sun 3/92:25 pmPDX - CPH
1 stop17h 50mKLM
Mon 3/245:40 pmCPH - PDX
1 stop26h 45mKLM
Deal found 2/19$605
This oojo deal was found by Cheapflights users on 2/19. 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.
Mon 3/107:35 amPDX - CPH
2 stops21h 35mBritish Airways
Wed 3/196:50 amCPH - PDX
1 stop18h 45mBritish Airways
Deal found 2/19$609
This Expedia deal was found by Cheapflights users on 2/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/231:30 pmSEA - BLL
1 stop16h 55mBritish Airways
Wed 4/305:05 pmBLL - SEA
1 stop27h 30mBritish Airways
Deal found 2/19$610
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Mon 3/107:21 pmPDX - CPH
2 stops29h 44mUnited Airlines
Wed 3/199:45 amCPH - PDX
2 stops23h 05mUnited Airlines
Deal found 2/19$610

Find flights from Washington to Denmark within your budget

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 February 20, 2025.

Fly from

Washington

Fly to

Denmark

Route

Depart

Return

Price

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Mon 3/24

3:35 pm-7:50 pm

1 stop20h 15m

Kastrup Copenhagen

Sun 4/6

10:35 pm-5:50 pm

1 stop28h 15m

$470

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sun 3/9

7:50 pm-7:30 pm

1 stop15h 40m

Kastrup Copenhagen

Tue 3/25

3:40 pm-5:55 pm

1 stop34h 15m

$511

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sun 3/9

7:50 pm-11:55 pm

2 stops20h 05m

Kastrup Copenhagen

Tue 4/1

12:25 pm-11:07 pm

2 stops19h 42m

$540

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sun 3/9

7:50 pm-9:40 pm

1 stop17h 50m

Kastrup Copenhagen

Tue 3/25

8:40 am-11:09 pm

2 stops22h 29m

$544

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 3/12

7:15 am-9:20 am

2 stops18h 05m

Kastrup Copenhagen

Wed 3/26

6:00 am-12:40 pm

1 stop14h 40m

$565

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 3/12

3:15 pm-4:15 pm

1 stop17h 00m

Kastrup Copenhagen

Wed 3/26

3:20 pm-12:40 pm

1 stop29h 20m

$566

PortlandCopenhagen

PDX - CPH

PDXCPH

Portland

Sun 3/9

5:10 pm-1:15 pm

2 stops36h 05m

Kastrup Copenhagen

Mon 3/24

12:05 pm-10:32 pm

2 stops42h 27m

$598

PortlandCopenhagen

PDX - CPH

PDXCPH

Portland

Sun 3/9

2:25 pm-4:15 pm

1 stop17h 50m

Kastrup Copenhagen

Mon 3/24

5:40 pm-12:25 pm

1 stop26h 45m

$605

PortlandCopenhagen

PDX - CPH

PDXCPH

Portland

Mon 3/10

7:35 am-1:10 pm

2 stops21h 35m

Kastrup Copenhagen

Wed 3/19

6:50 am-5:35 pm

1 stop18h 45m

$609

PortlandCopenhagen

PDX - CPH

PDXCPH

Portland

Mon 3/10

7:21 pm-9:05 am

2 stops29h 44m

Kastrup Copenhagen

Wed 3/19

9:45 am-12:50 am

2 stops23h 05m

$610

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 52 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.

Travel insights for flights from Washington to Denmark

Get recent, data-driven insights about flights from Washington to Denmark including ideal travel times, pricing trends, and more.

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 $989). 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 February 20, 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 February 20, 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
8,219 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

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
8,219 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

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
8,219 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

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
1,274 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

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
1,568 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

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
1,449 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

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 $337. TAP AIR PORTUGAL flights start at $416 while deals on Air Canada start at $488 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 $989). 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.

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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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$417Average$855FlexibilityNo cancel feeOn-time76%
DeltaCheapest$429Average$957FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$448Average$889FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$492Average$720FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$502Average$702FlexibilityNo cancel feeOn-time70%
FinnairCheapest$504Average$825FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$520Average$713FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$521Average$743FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$532Average$916FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$553Average$739FlexibilityNo cancel feeOn-time76%
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