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$350+ Cheap flights from Washington to Copenhagen (CPH)

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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CPH
nov. 22 — nov. 291
sáb. 11/22
sáb. 11/29
1 adult, Economy
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Cheap flight deals from Washington to Copenhagen

Keep the following information in mind while searching for Washington to Copenhagen flight deals. Data was last updated octubre 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$420
(Gotogate)

One-way from

$350
(SmartFares)

Popular in

June

Cheapest in

February

Average price

$603

Good round-trip deal

$533 or less

Good one-way deal

$402 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 Kastrup Copenhagen
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One-way flight from Washington to Kastrup Copenhagen
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Highest demand for flights based on searches. 10% potential increase in price ($76 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Washington to Kastrup Copenhagen.
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Price to beat on a one-way flight from Washington to Kastrup Copenhagen.
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Find flight deals from Washington to Copenhagen

Cheapest flights from Washington to Copenhagen
Explore the most affordable flight options available from Washington to Copenhagen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 23, 2025.

This FlightHub deal was found by Cheapflights users on 10/23. 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.
mié. 11/262:35 pmSEA - CPH
1 stop12h 55mIcelandair
mié. 4/152:00 pmCPH - SEA
1 stop12h 50mIcelandair
Deal found 10/23$424
This oojo deal was found by Cheapflights users on 10/21. 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.
jue. 12/42:35 pmSEA - CPH
1 stop21h 00mIcelandair
jue. 12/1112:55 pmCPH - SEA
1 stop13h 05mIcelandair
Deal found 10/21$436
This oojo deal was found by Cheapflights users on 10/21. 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.
vie. 12/52:35 pmSEA - CPH
1 stop12h 55mIcelandair
vie. 12/1212:55 pmCPH - SEA
1 stop13h 05mIcelandair
Deal found 10/21$450
This Trip.com deal was found by Cheapflights users on 10/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/32:35 pmSEA - CPH
1 stop29h 40mIcelandair
mar. 11/1112:55 pmCPH - SEA
1 stop13h 05mIcelandair
Deal found 10/22$473
This FlightHub deal was found by Cheapflights users on 10/21. 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.
dom. 11/22:35 pmSEA - CPH
1 stop21h 00mIcelandair
jue. 11/612:55 pmCPH - SEA
1 stop13h 05mIcelandair
Deal found 10/21$477
This Flightnetwork deal was found by Cheapflights users on 10/22. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/42:35 pmSEA - CPH
1 stop12h 10mIcelandair
jue. 11/201:25 pmCPH - SEA
1 stop12h 35mIcelandair
Deal found 10/22$494
This FlightHub deal was found by Cheapflights users on 10/23. 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.
jue. 12/252:35 pmSEA - CPH
1 stop21h 00mIcelandair
dom. 1/1112:55 pmCPH - SEA
1 stop13h 05mIcelandair
Deal found 10/23$497
This FlightHub deal was found by Cheapflights users on 10/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/137:10 amSEA - CPH
1 stop19h 50mScandinavian Airlines
vie. 11/212:20 pmCPH - SEA
1 stop18h 36mScandinavian Airlines
Deal found 10/22$507
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
vie. 12/510:05 amSEA - CPH
2 stops16h 55mLufthansa
vie. 12/126:50 amCPH - SEA
1 stop14h 20mLufthansa
Deal found 10/21$512
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/293:40 pmSEA - CPH
2 stops35h 05mLufthansa
dom. 12/148:55 amCPH - SEA
1 stop13h 25mLufthansa
Deal found 10/22$514
This FlightHub deal was found by Cheapflights users on 10/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/152:35 pmSEA - CPH
1 stop12h 55mIcelandair
sáb. 11/221:25 pmCPH - SEA
1 stop12h 35mIcelandair
Deal found 10/22$527
This SmartFares deal was found by Cheapflights users on 10/21. 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.
lun. 11/172:45 pmPDX - CPH
1 stop12h 00mIcelandair
vie. 11/2112:55 pmCPH - PDX
1 stop13h 05mIcelandair
Deal found 10/21$553

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Copenhagen 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 octubre 23, 2025.
Use the filters below to find and compare flights from Washington to Copenhagen that are best for you.

Fly from

Washington

Fly to

Copenhagen

Route

Depart

Return

Price

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

mié. 11/26

2:35 pm-11:45 am

1 stop12h 10m

Kastrup Copenhagen

mié. 4/15

7:20 am-8:45 pm

1 stop22h 25m

$447

PortlandCopenhagen

PDX - CPH

PDXCPH

Portland

lun. 3/30

3:45 pm-12:55 pm

1 stop12h 10m

Kastrup Copenhagen

vie. 4/10

2:00 pm-6:00 pm

1 stop13h 00m

$475

PortlandCopenhagen

PDX - CPH

PDXCPH

Portland

sáb. 4/4

3:45 pm-9:45 pm

1 stop21h 00m

Kastrup Copenhagen

sáb. 4/18

5:15 pm-6:00 pm

1 stop33h 45m

$476

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

mar. 11/11

1:40 pm-2:40 pm

1 stop16h 00m

Kastrup Copenhagen

dom. 11/16

7:25 pm-11:45 am

1 stop25h 20m

$538

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

mié. 1/14

8:40 am-5:35 pm

3 stops23h 55m

Kastrup Copenhagen

mié. 1/21

10:05 am-9:12 pm

2 stops20h 07m

$551

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

mié. 12/3

1:05 pm-7:05 pm

2 stops21h 00m

Kastrup Copenhagen

sáb. 12/13

2:55 pm-11:15 pm

2 stops41h 20m

$559

PortlandCopenhagen

PDX - CPH

PDXCPH

Portland

dom. 12/7

7:05 am-7:10 am

1 stop15h 05m

Kastrup Copenhagen

dom. 12/14

2:20 pm-10:56 pm

1 stop17h 36m

$560

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

mar. 12/30

11:59 pm-5:30 pm

2 stops32h 31m

Kastrup Copenhagen

mié. 1/7

8:55 am-10:16 pm

2 stops22h 21m

$580

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

jue. 1/1

6:50 pm-10:45 pm

1 stop18h 55m

Kastrup Copenhagen

jue. 1/8

10:30 am-10:07 pm

2 stops20h 37m

$581

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

mié. 12/3

3:10 pm-11:05 pm

1 stop22h 55m

Kastrup Copenhagen

sáb. 12/13

6:40 am-9:00 pm

2 stops23h 20m

$585

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

Showing 1-10 of 52 results
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Best time to book a flight from Washington to Copenhagen

Have a flexible travel schedule? Discover the best time to fly to Copenhagen 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 Copenhagen

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

Currently, November is the cheapest month in which you can book a flight from State of Washington to Copenhagen (average of $317). Flying from State of Washington to Copenhagen in June is currently the most expensive (average of $545). 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 CPH?

Find hourly flight availability from Washington to Copenhagen. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 23, 2025.

One of the essential ways to save on airfare from State of Washington to Copenhagen is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 25% on airfare.

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

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

Travelers seeking maximum savings on their State of Washington to Copenhagen flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday at noon 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 Copenhagen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Copenhagen from Washington?

    Kastrup Copenhagen (CPH) is the airport you will fly into if you book a flight from Washington to Copenhagen. It is only a 5.0 mi journey from Kastrup Copenhagen (CPH) to Copenhagen’s city center.

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

    This flight path from Washington to Kastrup Copenhagen 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 Copenhagen?

    Airlines like Icelandair, United Airlines, and SWISS fly from State of Washington to Copenhagen in about 12h 10m. The time it takes to get you to your destination can typically vary by up to 11h 45m. Airlines will cover a distance of 4850 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from State of Washington to Copenhagen?

    Most travelers choose Seattle/Tacoma Intl - Kastrup Copenhagen, Portland - Kastrup Copenhagen or Spokane - Kastrup Copenhagen when deciding on the best route from State of Washington to Copenhagen.

  • What are the most reliable airlines from State of Washington to Copenhagen?

    No one likes to see their flight delayed. When booking a flight from State of Washington to Copenhagen consider choosing Air France (89%), Scandinavian Airlines (70%) or Delta (70%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from State of Washington to Copenhagen?

    While on average a flight from State of Washington to Copenhagen is generally $1,646, our data shows the cheapest flight currently is $377. When looking at the most popular route, (Seattle/Tacoma Intl - Kastrup Copenhagen), you can expect to pay $407 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington to Copenhagen 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 Copenhagen?

    Currently, November is the cheapest month in which you can book a flight from State of Washington to Copenhagen (average of $317). Flying from State of Washington to Copenhagen in June is currently the most expensive (average of $545). 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

Traveling to a place near Copenhagen?

Book flights to Copenhagen if you plan to visit one of these locations
Kastrup

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Alternative routes for Washington to Copenhagen

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Top 10 airlines flying from Washington to Copenhagen

Discover the top 10 airlines that operate flights from Washington to Copenhagen. 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 octubre 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$418Average$648FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$423Average$585FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$492Average$601FlexibilityNo cancel feeOn-time71%
Scandinavian AirlinesCheapest$496Average$714FlexibilityNo cancel feeOn-time77%
FinnairCheapest$504Average$715FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$528Average$713FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$536Average$683FlexibilityNo cancel feeOn-time67%
DeltaCheapest$558Average$823FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$560Average$804FlexibilityNo cancel feeOn-time69%
KLMCheapest$584Average$774FlexibilityNo cancel feeOn-time75%

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