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Denmark

$326+ 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CPH
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
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 November 26, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$408
(CrystalTravel)

One-way from

$326
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$591

Good round-trip deal

$583 or less

Good one-way deal

$407 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. 10% potential increase in price ($74 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 26, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/263:40 pmSEA - CPH
2 stops41h 40mLufthansa
Wed 12/106:00 amCPH - SEA
1 stop16h 20mLufthansa
Deal found 11/24$490
This Kiwi.com deal was found by Cheapflights users on 11/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/22:00 pmSEA - CPH
1 stop14h 35mLufthansa
Wed 12/108:55 amCPH - SEA
1 stop13h 25mLufthansa
Deal found 11/24$494
This Mytrip deal was found by Cheapflights users on 11/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/268:10 amSEA - CPH
2 stops19h 15mMultiple Airlines
Wed 12/38:55 amCPH - SEA
1 stop13h 25mMultiple Airlines
Deal found 11/25$518
This Air France deal was found by Cheapflights users on 11/25. 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.
Tue 12/21:40 pmSEA - CPH
1 stop14h 20mAir France
Wed 12/106:45 amCPH - SEA
1 stop15h 40mAir France
Deal found 11/25$519
This Mytrip deal was found by Cheapflights users on 11/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/278:00 pmSEA - CPH
2 stops36h 35mMultiple Airlines
Wed 12/36:00 amCPH - SEA
1 stop16h 20mMultiple Airlines
Deal found 11/25$522
This Mytrip deal was found by Cheapflights users on 11/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/28:10 amSEA - CPH
2 stops19h 15mMultiple Airlines
Wed 12/106:00 amCPH - SEA
1 stop16h 20mMultiple Airlines
Deal found 11/24$523
This Delta deal was found by Cheapflights users on 11/25. 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.
Tue 12/211:26 amSEA - CPH
2 stops18h 14mDelta
Wed 12/106:45 amCPH - SEA
1 stop15h 40mDelta
Deal found 11/25$524
This Cheapflightsfares deal was found by Cheapflights users on 11/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/263:10 pmSEA - CPH
1 stop17h 25mLufthansa
Wed 12/38:55 amCPH - SEA
1 stop13h 25mLufthansa
Deal found 11/25$525
This Cheapflightsfares deal was found by Cheapflights users on 11/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/263:10 pmSEA - CPH
1 stop17h 25mLufthansa
Wed 4/156:40 amCPH - SEA
1 stop14h 40mLufthansa
Deal found 11/26$526
This FlightHub deal was found by Cheapflights users on 11/26. 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 11/263:10 pmSEA - CPH
1 stop17h 25mMultiple Airlines
Wed 4/156:40 amCPH - SEA
2 stops24h 28mMultiple Airlines
Deal found 11/26$531
This Delta deal was found by Cheapflights users on 11/25. 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.
Fri 12/53:05 pmSEA - AAL
1 stop17h 35mDelta
Tue 12/92:20 pmAAL - SEA
1 stop30h 30mDelta
Deal found 11/25$566
This Mytrip deal was found by Cheapflights users on 11/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2410:05 amSEA - BLL
2 stops18h 15mMultiple Airlines
Mon 12/12:15 pmBLL - SEA
2 stops41h 01mMultiple Airlines
Deal found 11/23$571

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 November 26, 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

PortlandCopenhagen

PDX - CPH

PDXCPH

Portland

Mon 3/16

3:45 pm-11:45 am

1 stop12h 00m

Kastrup Copenhagen

Fri 3/20

12:55 pm-6:00 pm

1 stop13h 05m

$441

SeattleAarhus

SEA - AAR

SEAAAR

Seattle/Tacoma Intl

Wed 4/15

7:20 am-9:05 am

2 stops16h 45m

Aarhus

Mon 5/4

5:50 pm-10:16 pm

2 stops37h 26m

$472

PortlandCopenhagen

PDX - CPH

PDXCPH

Portland

Mon 4/13

7:30 pm-11:25 pm

1 stop18h 55m

Kastrup Copenhagen

Tue 4/28

9:45 pm-5:40 pm

1 stop28h 55m

$488

PortlandCopenhagen

PDX - CPH

PDXCPH

Portland

Mon 3/30

7:30 pm-8:55 pm

1 stop16h 25m

Kastrup Copenhagen

Fri 4/10

8:50 am-8:54 pm

2 stops21h 04m

$488

PortlandCopenhagen

PDX - CPH

PDXCPH

Portland

Sun 1/11

5:45 pm-5:40 pm

1 stop14h 55m

Kastrup Copenhagen

Sat 1/24

6:30 pm-3:55 pm

1 stop30h 25m

$496

PortlandBillund

PDX - BLL

PDXBLL

Portland

Wed 2/11

5:45 pm-12:05 pm

1 stop33h 20m

Billund

Sun 2/15

1:15 pm-3:55 pm

1 stop35h 40m

$500

PortlandCopenhagen

PDX - CPH

PDXCPH

Portland

Tue 4/14

5:45 pm-6:30 am

2 stops27h 45m

Kastrup Copenhagen

Tue 4/28

2:45 pm-11:10 am

1 stop29h 25m

$512

PortlandCopenhagen

PDX - CPH

PDXCPH

Portland

Mon 4/13

7:00 am-6:30 am

1 stop14h 30m

Kastrup Copenhagen

Tue 4/28

11:50 am-8:49 pm

2 stops17h 59m

$517

SeattleAarhus

SEA - AAR

SEAAAR

Seattle/Tacoma Intl

Mon 2/23

11:17 am-11:50 pm

2 stops27h 33m

Aarhus

Fri 2/27

6:20 am-10:25 pm

2 stops25h 05m

$521

PortlandCopenhagen

PDX - CPH

PDXCPH

Portland

Tue 4/14

3:45 pm-12:55 pm

1 stop12h 10m

Kastrup Copenhagen

Mon 4/27

2:00 pm-6:00 pm

1 stop13h 00m

$521

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/25

Showing 1-10 of 60 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 $315). Flying from State of Washington to Denmark in June is currently the most expensive (average of $550). 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 November 26, 2025.

One of the essential ways to save on airfare from State of Washington to Denmark is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 23% on airfare.

What is the cheapest day to fly from State of Washington to Denmark?

Use this chart to determine the cheapest time to fly round-trip from Washington to Denmark. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their State of Washington to Denmark flight should consider departing on Monday afternoons when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 British Airways fly from State of Washington to Denmark in about 12h. The time it takes to get you to your destination can typically vary by up to 6h 55m. The distance between State of Washington and Denmark is about 4972 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $351. British Airways flights start at $357 while deals on Air Canada start at $381 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 $315). Flying from State of Washington to Denmark in June is currently the most expensive (average of $550). 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 November 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$418Average$619FlexibilityNo cancel feeOn-time77%
DeltaCheapest$421Average$780FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$424Average$578FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$492Average$601FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$493Average$664FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$497Average$717FlexibilityNo cancel feeOn-time77%
FinnairCheapest$504Average$744FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$536Average$683FlexibilityNo cancel feeOn-time67%
KLMCheapest$540Average$696FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$546Average$651FlexibilityNo cancel feeOn-time69%

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