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$337+ Cheap flights from Seattle (SEA) 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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CPH
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Seattle to Denmark

Keep the following information in mind while searching for Seattle to Denmark flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$470
(Booking.com)

One-way from

$337
(oojo)

Popular in

June

Cheapest in

November

Average price

$657

Good round-trip deal

$714 or less

Good one-way deal

$462 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 Seattle/Tacoma Intl to Denmark
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One-way flight from Seattle/Tacoma Intl to Denmark
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Highest demand for flights based on searches. 16% potential increase in price ($132 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Denmark.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Denmark.
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Find flight deals from Seattle to Denmark

Cheapest flights from Seattle to Denmark
Explore the most affordable flight options available from Seattle to Denmark. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Booking.com deal was found by Cheapflights users on 2/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/243:35 pmSEA - CPH
1 stop20h 15mIcelandair
Sun 4/610:35 pmCPH - SEA
1 stop28h 15mIcelandair
Deal found 2/20$470
This Ticket deal was found by Cheapflights users on 2/20. 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.
Sun 3/97:50 pmSEA - CPH
1 stop15h 40mBritish Airways
Tue 3/253:40 pmCPH - SEA
1 stop34h 15mBritish Airways
Deal found 2/20$511
This StudentUniverse deal was found by Cheapflights users on 2/19. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/97:50 pmSEA - CPH
2 stops20h 05mFinnair
Tue 4/112:25 pmCPH - SEA
2 stops19h 42mFinnair
Deal found 2/19$540
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Sun 3/97:50 pmSEA - CPH
1 stop17h 50mAmerican Airlines
Tue 3/258:40 amCPH - SEA
2 stops22h 29mAmerican Airlines
Deal found 2/20$544
This Delta deal was found by Cheapflights users on 2/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/127:15 amSEA - CPH
2 stops18h 05mDelta
Wed 3/266:00 amCPH - SEA
1 stop14h 40mDelta
Deal found 2/20$565
This KLM deal was found by Cheapflights users on 2/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/123:15 pmSEA - CPH
1 stop17h 00mKLM
Wed 3/263:20 pmCPH - SEA
1 stop29h 20mKLM
Deal found 2/20$566
This United Airlines deal was found by Cheapflights users on 2/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1312:20 pmSEA - CPH
1 stop13h 30mUnited Airlines
Wed 10/2911:15 amCPH - SEA
2 stops37h 23mUnited Airlines
Deal found 2/20$591
This Expedia deal was found by Cheapflights users on 2/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/231:30 pmSEA - BLL
1 stop16h 55mBritish Airways
Wed 4/305:05 pmBLL - SEA
1 stop27h 30mBritish Airways
Deal found 2/19$610
This KLM deal was found by Cheapflights users on 2/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/22:10 pmSEA - BLL
1 stop14h 20mKLM
Wed 4/92:15 pmBLL - SEA
1 stop30h 30mKLM
Deal found 2/19$618
This Air Canada deal was found by Cheapflights users on 2/20. 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.
Thu 3/205:55 amSEA - CPH
2 stops19h 10mAir Canada
Wed 3/266:50 amCPH - SEA
2 stops22h 40mAir Canada
Deal found 2/20$624
This Gotogate deal was found by Cheapflights users on 2/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/25:45 amSEA - BLL
2 stops23h 20mMultiple Airlines
Wed 4/910:50 amBLL - SEA
1 stop34h 35mMultiple Airlines
Deal found 2/19$628
This Air France deal was found by Cheapflights users on 2/20. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/212:35 pmSEA - CPH
1 stop15h 25mAir France
Tue 3/186:45 amCPH - SEA
2 stops18h 12mAir France
Deal found 2/20$630

Find flights from Seattle to Denmark within your budget

Customize your flight search to find flights from Seattle 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 February 20, 2025.

Fly from

Seattle

Fly to

Denmark

Route

Depart

Return

Price

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Mon 3/24

3:35 pm-7:50 pm

1 stop20h 15m

Kastrup Copenhagen

Sun 4/6

10:35 pm-5:50 pm

1 stop28h 15m

$470

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sun 3/9

7:50 pm-7:30 pm

1 stop15h 40m

Kastrup Copenhagen

Tue 3/25

3:40 pm-5:55 pm

1 stop34h 15m

$511

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sun 3/9

7:50 pm-11:55 pm

2 stops20h 05m

Kastrup Copenhagen

Tue 4/1

12:25 pm-11:07 pm

2 stops19h 42m

$540

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sun 3/9

7:50 pm-9:40 pm

1 stop17h 50m

Kastrup Copenhagen

Tue 3/25

8:40 am-11:09 pm

2 stops22h 29m

$544

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 3/12

7:15 am-9:20 am

2 stops18h 05m

Kastrup Copenhagen

Wed 3/26

6:00 am-12:40 pm

1 stop14h 40m

$565

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 3/12

3:15 pm-4:15 pm

1 stop17h 00m

Kastrup Copenhagen

Wed 3/26

3:20 pm-12:40 pm

1 stop29h 20m

$566

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Wed 4/23

1:30 pm-3:25 pm

1 stop16h 55m

Billund

Wed 4/30

5:05 pm-11:35 am

1 stop27h 30m

$610

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Wed 4/2

2:10 pm-1:30 pm

1 stop14h 20m

Billund

Wed 4/9

2:15 pm-11:45 am

1 stop30h 30m

$618

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 3/26

3:00 pm-6:05 pm

1 stop19h 05m

Kastrup Copenhagen

Sun 4/6

12:45 pm-10:43 pm

2 stops42h 58m

$619

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Thu 3/20

5:55 am-9:05 am

2 stops19h 10m

Kastrup Copenhagen

Wed 3/26

6:50 am-9:30 pm

2 stops22h 40m

$624

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 39 results
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Best time to book a flight from Seattle to Denmark

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

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

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

Currently, November is the cheapest month in which you can book a flight from Seattle to Denmark (average of $523). Flying from Seattle to Denmark in June is currently the most expensive (average of $989). 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 SEA to DK?

Find hourly flight availability from Seattle 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 February 20, 2025.

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

What is the cheapest day to fly from Seattle to Denmark?

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

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

Rainfall in Denmark by month

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

In terms of precipitation, rainfall in Denmark ranges from 0.8 - 2.8 inches per month. August is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Denmark when rainfall is around 0.8 in.

Temperature in Denmark by month

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

If weather is an important factor for your trip to Denmark, 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 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Denmark

Get insights into the airlines that provide service to Denmark. 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 Denmark. Reviews last updated February 20, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Finnair from Seattle to Denmark to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.6
Good
1,273 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS
7.5
Good
1,568 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France
7.4
Good
1,449 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Denmark. 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 from for flights from Seattle to Denmark?

    Seattle/Tacoma Intl (SEA) is the airport you will fly out of if you book a flight from Seattle to Denmark. It is only a 11.4 mi journey to Seattle/Tacoma Intl (SEA) from Seattle’s city center.

  • How popular is this Seattle to Denmark flight route?

    This flight path from Seattle/Tacoma Intl to Denmark was viewed by 2 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    One-way options have recently been found by users for as low as $337 on Icelandair. Other airlines that offer cheap prices include TAP AIR PORTUGAL from $416 and KLM from $499 one-way.

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

    When deciding which route to take from Seattle to Denmark consider Seattle/Tacoma Intl - Kastrup Copenhagen, Seattle/Tacoma Intl - Billund or Seattle/Tacoma Intl - Aarhus as they are the most popular.

  • What are the cheapest flights from Seattle to Denmark?

    On average you can expect to pay $1,678 for a flight from Seattle to Denmark. The cheapest flight overall is $328 while the most popular route, (Seattle/Tacoma Intl - Kastrup Copenhagen) is currently priced at $527.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Seattle to Denmark (average of $523). Flying from Seattle to Denmark in June is currently the most expensive (average of $989). 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.

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Top 10 airlines flying from Seattle to Denmark

Discover the top 10 airlines that operate flights from Seattle 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$417Average$733FlexibilityNo cancel feeOn-time76%
DeltaCheapest$429Average$853FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$448Average$889FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$492Average$720FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$502Average$702FlexibilityNo cancel feeOn-time70%
FinnairCheapest$504Average$825FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$520Average$713FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$521Average$743FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$532Average$750FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$553Average$739FlexibilityNo cancel feeOn-time76%
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