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Denmark

$286+ 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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CPH
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
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 September 16, 2025.

Round-trip from

$440
(Gurufare)

One-way from

$286
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$614

Good round-trip deal

$524 or less

Good one-way deal

$397 or less
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. 10% potential increase in price ($72 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 16, 2025.

This Gurufare deal was found by Cheapflights users on 9/16. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/242:35 pmSEA - CPH
1 stop12h 10mIcelandair
Tue 4/145:15 pmCPH - SEA
1 stop12h 55mIcelandair
Deal found 9/16$440
This KAYAK deal was found by Cheapflights users on 9/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/242:35 pmSEA - CPH
1 stop12h 10mIcelandair
Mon 4/135:15 pmCPH - SEA
1 stop12h 55mIcelandair
Deal found 9/15$442
This deal was found by Cheapflights users on 9/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/42:35 pmSEA - CPH
1 stop12h 10mIcelandair
Tue 11/1812:55 pmCPH - SEA
1 stop13h 05mIcelandair
Deal found 9/15$445
This Icelandair deal was found by Cheapflights users on 9/16. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/232:35 pmSEA - CPH
1 stop12h 10mIcelandair
Thu 4/162:00 pmCPH - SEA
1 stop12h 50mIcelandair
Deal found 9/16$447
This Icelandair deal was found by Cheapflights users on 9/14. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/113:45 pmSEA - CPH
1 stop12h 10mIcelandair
Tue 10/212:00 pmCPH - SEA
1 stop12h 50mIcelandair
Deal found 9/14$454
This Icelandair deal was found by Cheapflights users on 9/14. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/113:45 pmSEA - CPH
1 stop12h 10mIcelandair
Mon 10/2010:35 pmCPH - SEA
1 stop28h 15mIcelandair
Deal found 9/14$456
This Gurufare deal was found by Cheapflights users on 9/14. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/262:35 pmSEA - CPH
1 stop21h 00mIcelandair
Fri 12/512:55 pmCPH - SEA
1 stop13h 05mIcelandair
Deal found 9/14$458
This KAYAK deal was found by Cheapflights users on 9/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/262:35 pmSEA - CPH
1 stop21h 00mIcelandair
Thu 12/412:55 pmCPH - SEA
1 stop13h 05mIcelandair
Deal found 9/14$460
This Ticket deal was found by Cheapflights users on 9/16. 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.
Mon 10/203:20 pmPDX - CPH
1 stop21h 25mIcelandair
Sun 11/212:55 pmCPH - PDX
1 stop13h 05mIcelandair
Deal found 9/16$460
This SmartFares deal was found by Cheapflights users on 9/14. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2111:15 amSEA - CPH
1 stop14h 30mScandinavian Airlines
Fri 10/241:10 pmCPH - SEA
Nonstop9h 50mScandinavian Airlines
Deal found 9/14$462
This CrystalTravel deal was found by Cheapflights users on 9/15. 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 10/1510:25 amSEA - CPH
1 stop19h 55mScandinavian Airlines
Wed 10/221:25 pmCPH - SEA
1 stop19h 29mScandinavian Airlines
Deal found 9/15$464
This Icelandair deal was found by Cheapflights users on 9/14. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/262:35 pmSEA - CPH
1 stop21h 00mIcelandair
Sat 12/612:55 pmCPH - SEA
1 stop13h 05mIcelandair
Deal found 9/14$465

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 September 16, 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

Tue 11/25

2:35 pm-11:45 am

1 stop12h 10m

Kastrup Copenhagen

Sun 4/12

5:15 pm-9:10 pm

1 stop12h 55m

$447

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 11/12

2:35 pm-12:00 pm

1 stop12h 25m

Kastrup Copenhagen

Sun 11/16

9:30 pm-5:00 pm

1 stop28h 30m

$447

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Mon 11/24

2:35 pm-11:45 am

1 stop12h 10m

Kastrup Copenhagen

Sun 4/12

5:15 pm-9:10 pm

1 stop12h 55m

$447

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sat 11/29

2:35 pm-8:35 pm

1 stop21h 00m

Kastrup Copenhagen

Thu 4/16

2:00 pm-9:10 pm

1 stop16h 10m

$447

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sat 11/29

2:35 pm-8:35 pm

1 stop21h 00m

Kastrup Copenhagen

Fri 4/17

5:15 pm-9:10 pm

1 stop12h 55m

$447

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sun 11/23

2:35 pm-11:45 am

1 stop12h 10m

Kastrup Copenhagen

Wed 4/15

5:15 pm-9:10 pm

1 stop12h 55m

$447

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sat 10/11

3:45 pm-12:55 pm

1 stop12h 10m

Kastrup Copenhagen

Tue 10/21

2:00 pm-5:50 pm

1 stop12h 50m

$454

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 11/26

2:35 pm-8:35 pm

1 stop21h 00m

Kastrup Copenhagen

Sat 4/18

2:00 pm-9:10 pm

1 stop16h 10m

$467

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Thu 11/27

7:30 am-7:00 am

1 stop14h 30m

Kastrup Copenhagen

Sat 12/6

12:45 pm-10:00 pm

1 stop18h 15m

$500

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Tue 10/14

12:45 pm-3:10 pm

1 stop17h 25m

Kastrup Copenhagen

Tue 10/21

6:05 pm-10:22 pm

2 stops37h 17m

$503

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 49 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 $911). 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 September 16, 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.

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 8 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Airlines like Icelandair, Scandinavian Airlines, and United Airlines fly from State of Washington to Denmark in about 12h 10m. The time it takes to get you to your destination can typically vary by up to 21h 54m. The distance between State of Washington and Denmark is about 4850 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $911). 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$418Average$657FlexibilityNo cancel feeOn-time77%
DeltaCheapest$421Average$924FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$422Average$586FlexibilityNo cancel feeOn-time76%
FinnairCheapest$476Average$715FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$486Average$599FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$493Average$686FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$497Average$697FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$536Average$683FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$553Average$748FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$553Average$719FlexibilityNo cancel feeOn-time76%

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