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$409+ Cheap flights from Denmark to Seattle (SEA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/13. Fares are subject to change and may not be available on all flights or dates of travel.
CPH — SEA
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Denmark to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Denmark (DK0) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$409
(Ticket)
From Denmark to Seattle/Tacoma Intl
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Find flight deals from Denmark to Seattle

Cheapest flights from Denmark to Seattle
Explore the most affordable flight options available from Denmark to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Ticket deal was found by Cheapflights users on 1/20. 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.
Thu 2/134:05 pmBLL - SEA
1 stop33h 50mBritish Airways
Tue 2/181:35 pmSEA - BLL
1 stop16h 50mBritish Airways
Deal found 1/20$409
This Ticket deal was found by Cheapflights users on 1/20. 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.
Thu 2/2010:30 amCPH - SEA
1 stop15h 25mBritish Airways
Fri 3/76:50 pmSEA - CPH
1 stop31h 00mBritish Airways
Deal found 1/20$423
This Flysmarter deal was found by Cheapflights users on 1/20. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1412:25 pmCPH - SEA
2 stops19h 40mMultiple Airlines
Sun 4/272:55 pmSEA - CPH
2 stops21h 00mMultiple Airlines
Deal found 1/20$438
This Finnair deal was found by Cheapflights users on 1/20. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/188:40 amCPH - SEA
2 stops20h 30mFinnair
Tue 3/257:50 pmSEA - CPH
1 stop13h 00mFinnair
Deal found 1/20$441
This Flightnetwork deal was found by Cheapflights users on 1/20. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/612:55 pmCPH - SEA
1 stop13h 05mIcelandair
Thu 3/133:35 pmSEA - CPH
1 stop12h 10mIcelandair
Deal found 1/20$445
This ResecentrumGruppen deal was found by Cheapflights users on 1/20. 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 ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/219:00 amCPH - SEA
1 stop13h 20mLufthansa
Thu 3/273:00 pmSEA - CPH
1 stop14h 30mLufthansa
Deal found 1/20$452
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Fri 5/234:15 pmCPH - SEA
1 stop28h 20mAmerican Airlines
Fri 6/61:30 pmSEA - CPH
1 stop25h 05mAmerican Airlines
Deal found 1/20$458
This Ticket deal was found by Cheapflights users on 1/20. 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.
Thu 2/136:30 amBLL - SEA
2 stops20h 57mAir Canada
Tue 2/185:45 amSEA - BLL
2 stops22h 40mAir Canada
Deal found 1/20$460
This Air Canada deal was found by Cheapflights users on 1/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/310:45 amBLL - SEA
3 stops20h 15mMultiple Airlines
Mon 2/103:05 pmSEA - BLL
2 stops37h 20mMultiple Airlines
Deal found 1/20$478
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Thu 2/201:05 pmCPH - SEA
2 stops41h 25mUnited Airlines
Wed 2/264:58 pmSEA - CPH
3 stops36h 02mUnited Airlines
Deal found 1/19$483
This Lufthansa deal was found by Cheapflights users on 1/20. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/36:00 amBLL - SEA
1 stop15h 10mLufthansa
Mon 2/108:00 amSEA - BLL
2 stops19h 30mLufthansa
Deal found 1/20$488
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Thu 3/66:30 amBLL - SEA
1 stop14h 40mUnited Airlines
Thu 3/137:00 amSEA - BLL
2 stops22h 25mUnited Airlines
Deal found 1/19$490

Find flights from Denmark to Seattle within your budget

Customize your flight search to find flights from Denmark to Seattle 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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BillundSeattle

BLL - SEA

BLLSEA

Billund

Thu 2/13

4:05 pm-4:55 pm

1 stop33h 50m

Seattle/Tacoma Intl

Tue 2/18

1:35 pm-3:25 pm

1 stop16h 50m

$409

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Thu 2/20

10:30 am-4:55 pm

1 stop15h 25m

Seattle/Tacoma Intl

Fri 3/7

6:50 pm-10:50 am

1 stop31h 00m

$423

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Mon 4/14

12:25 pm-11:05 pm

2 stops19h 40m

Seattle/Tacoma Intl

Sun 4/27

2:55 pm-8:55 pm

2 stops21h 00m

$438

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Tue 3/18

8:40 am-9:10 pm

2 stops20h 30m

Seattle/Tacoma Intl

Tue 3/25

2:35 pm-2:20 pm

1 stop15h 45m

$442

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Thu 3/6

12:55 pm-5:00 pm

1 stop13h 05m

Seattle/Tacoma Intl

Thu 3/13

3:35 pm-11:45 am

1 stop12h 10m

$445

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Fri 3/21

9:00 am-2:20 pm

1 stop13h 20m

Seattle/Tacoma Intl

Thu 3/27

3:00 pm-1:30 pm

1 stop14h 30m

$452

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Fri 5/23

4:15 pm-11:35 am

1 stop28h 20m

Seattle/Tacoma Intl

Fri 6/6

1:30 pm-11:35 pm

1 stop25h 05m

$458

BillundSeattle

BLL - SEA

BLLSEA

Billund

Thu 2/13

6:30 am-6:27 pm

2 stops20h 57m

Seattle/Tacoma Intl

Tue 2/18

5:45 am-1:25 pm

2 stops22h 40m

$460

BillundSeattle

BLL - SEA

BLLSEA

Billund

Mon 2/3

10:45 am-10:00 pm

3 stops20h 15m

Seattle/Tacoma Intl

Mon 2/10

3:05 pm-1:25 pm

2 stops37h 20m

$478

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Thu 2/20

1:05 pm-9:30 pm

2 stops41h 25m

Seattle/Tacoma Intl

Wed 2/26

4:58 pm-2:00 pm

3 stops36h 02m

$483

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 22 results
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Best time to book a flight from Denmark to Seattle

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

Travel insights for flights from Denmark to Seattle

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

What is the cheapest month to book a flight from Denmark to Seattle?

Currently, January is the cheapest month in which you can book a flight from Denmark to Seattle (average of $238). Flying from Denmark to Seattle 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 SEA?

Find hourly flight availability from Denmark to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Denmark to Seattle as you normally would.

Rainfall in Seattle by month

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

In terms of precipitation, rainfall in Seattle 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 Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

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

If weather is an important factor for your trip to Seattle, 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 Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated January 21, 2025.
Get a feel of what it's like to fly with British Airways, Lufthansa and United Airlines from Denmark to Seattle by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Overall

8.0

Food

7.3

Reviews

1 / 10

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

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Overall

8.0

Food

7.3

Reviews

1 / 10

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

Finnair
7.6
Good
1,286 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Overall

8.0

Food

7.3

Reviews

1 / 10

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

United Airlines
7.4
Good
8,984 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Overall

8.0

Food

7.3

Reviews

1 / 10

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

Scandinavian Airlines
7.3
Good
1,320 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Overall

8.0

Food

7.3

Reviews

1 / 10

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

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.6

Overall

8.0

Food

7.3

Reviews

1 / 10

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 Seattle. 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 Seattle from Denmark?

    For a flight from Denmark to Seattle, you will be flying into Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city.

  • What are the cheapest airlines to fly from Denmark to Seattle one-way?

    The cheapest airlines for a one-way flight from Denmark to Seattle are Icelandair ($455), Lufthansa ($516), and Delta ($842).

  • What are the most popular routes from Denmark to Seattle?

    Most travelers choose Kastrup Copenhagen - Seattle/Tacoma Intl, Billund - Seattle/Tacoma Intl or Aalborg - Seattle/Tacoma Intl when deciding on the best route from Denmark to Seattle.

  • What are the cheapest flights from Denmark to Seattle?

    While on average a flight from Denmark to Seattle is generally $850, our data shows the cheapest flight currently is $514. When looking at the most popular route, (Kastrup Copenhagen - Seattle/Tacoma Intl), you can expect to pay $423 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Denmark to Seattle 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 Seattle?

    Currently, January is the cheapest month in which you can book a flight from Denmark to Seattle (average of $238). Flying from Denmark to Seattle 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

Traveling to a place near Denmark?

Book flights to Denmark if you plan to visit one of these locations
SeaTac
Tukwila
Renton
Tacoma
Lacey
Federal Way
Ocean Shores
Leavenworth
Olympia
Marysville
Centralia
Cle Elum
Mukilteo
Aberdeen
Lakewood
Issaquah
Shoreline
Lynnwood
Shelton
Silverdale

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Alternative routes for Denmark to Seattle

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Top 8 airlines flying from Denmark to Seattle

Discover the top 8 airlines that operate flights from Denmark to Seattle. 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$423Average$641FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$426Average$550FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$426Average$585FlexibilityNo cancel feeOn-time70%
KLMCheapest$430Average$776FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$456Average$603FlexibilityNo cancel feeOn-time71%
DeltaCheapest$472Average$632FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$483Average$690FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$499Average$595FlexibilityNo cancel feeOn-time69%
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