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$359+ Cheap flights from Denmark to Washington

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 5/22. Fares are subject to change and may not be available on all flights or dates of travel.
CPH — SEA
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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Cheap flight deals from Denmark to Washington

Keep the following information in mind while searching for Denmark to Washington flight deals. Data was last updated April 24, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$471
(Finnair)

One-way from

$359
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$614

Good one-way deal

$809 or less
Provider with most accurate pricing for Kastrup Copenhagen-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Kastrup Copenhagen-Seattle/Tacoma Intl flights.
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From Denmark to Washington
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One-way flight from Denmark to Washington
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Highest demand for flights based on searches. 18% potential increase in price ($138 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a one-way flight from Denmark to Washington.
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Find flight deals from Denmark to Washington

Cheapest flights from Denmark to Washington
Explore the most affordable flight options available from Denmark to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

This Finnair deal was found by Cheapflights users on 4/22. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/247:25 amBLL - SEA
1 stop17h 35mFinnair
Thu 5/291:30 pmSEA - BLL
2 stops32h 15mFinnair
Deal found 4/22$471
This Sembo deal was found by Cheapflights users on 4/22. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/247:25 amBLL - SEA
1 stop17h 35mMultiple Airlines
Thu 5/291:30 pmSEA - BLL
1 stop17h 45mMultiple Airlines
Deal found 4/22$473
This British Airways deal was found by Cheapflights users on 4/23. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/102:00 pmCPH - SEA
1 stop16h 38mBritish Airways
Wed 10/151:30 pmSEA - CPH
1 stop12h 40mBritish Airways
Deal found 4/23$496
This American Airlines deal was found by Cheapflights users on 4/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/287:45 amCPH - SEA
2 stops19h 35mAmerican Airlines
Sun 6/11:30 pmSEA - CPH
2 stops21h 05mAmerican Airlines
Deal found 4/23$502
This Flybillet deal was found by Cheapflights users on 4/23. 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 Flybillet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/95:00 pmCPH - SEA
2 stops27h 35mFinnair
Tue 5/131:30 pmSEA - CPH
2 stops17h 45mFinnair
Deal found 4/23$529
This oojo deal was found by Cheapflights users on 4/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2310:35 pmCPH - SEA
1 stop21h 50mIcelandair
Fri 6/611:30 pmSEA - CPH
1 stop21h 50mIcelandair
Deal found 4/22$548
This Billigflug deal was found by Cheapflights users on 4/22. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/238:50 amCPH - SEA
2 stops23h 19mMultiple Airlines
Fri 6/68:20 pmSEA - CPH
1 stop18h 15mMultiple Airlines
Deal found 4/22$558
This United Airlines deal was found by Cheapflights users on 4/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/66:10 amCPH - SEA
2 stops23h 27mUnited Airlines
Mon 6/95:14 pmSEA - CPH
3 stops28h 56mUnited Airlines
Deal found 4/23$570
This Flightsearch deal was found by Cheapflights users on 4/22. 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 Flightsearch is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2312:50 pmCPH - SEA
2 stops18h 23mAir Canada
Fri 6/67:20 amSEA - CPH
2 stops18h 45mAir Canada
Deal found 4/22$574
This Flightsearch deal was found by Cheapflights users on 4/23. 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 Flightsearch is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/810:50 amCPH - PDX
1 stop15h 45mBritish Airways
Fri 5/237:25 pmPDX - CPH
1 stop19h 10mBritish Airways
Deal found 4/23$582
This Flightsearch deal was found by Cheapflights users on 4/23. 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 Flightsearch is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/85:00 pmCPH - PDX
2 stops33h 35mFinnair
Fri 5/237:25 pmPDX - CPH
2 stops27h 40mFinnair
Deal found 4/23$597
This Lufthansa deal was found by Cheapflights users on 4/23. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2312:50 pmCPH - SEA
1 stop13h 09mLufthansa
Fri 6/62:15 pmSEA - CPH
1 stop19h 10mLufthansa
Deal found 4/23$601

Cheapflights Fare Finder

Customize your flight search to find flights from Denmark to Washington 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 April 24, 2025.
Use the filters below to find and compare flights from Denmark to Washington that are best for you.

Fly from

Denmark

Fly to

Washington

Route

Depart

Return

Price

BillundSeattle

BLL - SEA

BLLSEA

Billund

Sat 5/24

7:25 am-4:00 pm

1 stop17h 35m

Seattle/Tacoma Intl

Thu 5/29

1:30 pm-6:45 am

2 stops32h 15m

$471

BillundSeattle

BLL - SEA

BLLSEA

Billund

Sat 5/24

7:25 am-4:00 pm

1 stop17h 35m

Seattle/Tacoma Intl

Thu 5/29

1:30 pm-4:15 pm

1 stop17h 45m

$473

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Wed 9/10

2:00 pm-9:38 pm

1 stop16h 38m

Seattle/Tacoma Intl

Wed 10/15

1:30 pm-11:10 am

1 stop12h 40m

$496

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Wed 5/28

7:45 am-6:20 pm

2 stops19h 35m

Seattle/Tacoma Intl

Sun 6/1

1:30 pm-7:35 pm

2 stops21h 05m

$502

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Fri 5/9

5:00 pm-11:35 am

2 stops27h 35m

Seattle/Tacoma Intl

Tue 5/13

1:30 pm-4:15 pm

2 stops17h 45m

$529

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Fri 5/23

10:35 pm-11:25 am

1 stop21h 50m

Seattle/Tacoma Intl

Fri 6/6

11:30 pm-6:20 am

1 stop21h 50m

$548

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Fri 5/23

8:50 am-11:09 pm

2 stops23h 19m

Seattle/Tacoma Intl

Fri 6/6

8:20 pm-11:35 pm

1 stop18h 15m

$558

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Fri 6/6

6:10 am-8:37 pm

2 stops23h 27m

Seattle/Tacoma Intl

Mon 6/9

11:50 pm-7:10 am

2 stops22h 20m

$570

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Fri 5/23

12:50 pm-10:13 pm

2 stops18h 23m

Seattle/Tacoma Intl

Fri 6/6

7:20 am-11:05 am

2 stops18h 45m

$574

CopenhagenPortland

CPH - PDX

CPHPDX

Kastrup Copenhagen

Thu 5/8

10:50 am-5:35 pm

1 stop15h 45m

Portland

Fri 5/23

7:25 pm-11:35 pm

1 stop19h 10m

$582

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 41 results
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Best time to book a flight from Denmark to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Denmark 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 Denmark to Washington

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

Currently, January is the cheapest month in which you can book a flight from Denmark to State of Washington (average of $238). Flying from Denmark to State of Washington in July is currently the most expensive (average of $411). 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 DK to WA?

Find hourly flight availability from Denmark to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 24, 2025.

When flying from Denmark to State of Washington, 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 Washington by month

Plan your trip to Washington by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

Plan your trip to Washington by taking into account the average temperature totals by month.

If weather is an important factor for your trip to State of Washington, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated April 24, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Finnair from Denmark to Washington to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,920 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,272 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.4
Good
1,442 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,685 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Denmark to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Denmark to State of Washington one-way?

    The cheapest airline one-way is Finnair, with whom users have recently found tickets for as low as $490. However, be on the lookout for offers from British Airways and Lufthansa, as they are both options that can get you from Denmark to State of Washington for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Denmark to Washington 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 Denmark to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Denmark to State of Washington (average of $238). Flying from Denmark to State of Washington in July is currently the most expensive (average of $411). 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 Denmark to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Denmark to Washington

Discover the top 9 airlines that operate flights from Denmark to Washington. 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$423Average$617FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$426Average$535FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$456Average$556FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$468Average$614FlexibilityNo cancel feeOn-time70%
KLMCheapest$468Average$607FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$483Average$690FlexibilityNo cancel feeOn-time76%
DeltaCheapest$507Average$632FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$515Average$658FlexibilityNo cancel feeOn-time69%
Scandinavian AirlinesCheapest$579Average$909FlexibilityNo cancel feeOn-time77%

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