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Denmark

$234+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CPH
May 5 — May 121
Mon 5/5
Mon 5/12
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 April 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$566
(Air Canada)

One-way from

$241
(oojo)

Popular in

June

Cheapest in

February

Average price

$599

Good round-trip deal

$581 or less

Good one-way deal

$374 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. 13% potential increase in price ($100 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 April 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 April 30, 2025.

This FlightHub deal was found by Cheapflights users on 4/28. 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.
Mon 8/254:00 pmSEA - CPH
Nonstop9h 30mScandinavian Airlines
Wed 9/101:05 pmCPH - SEA
Nonstop9h 45mScandinavian Airlines
Deal found 4/28$564
This Air Canada deal was found by Cheapflights users on 4/29. 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 8/112:55 pmSEA - CPH
2 stops31h 15mAir Canada
Thu 8/2112:45 pmCPH - SEA
1 stop31h 25mAir Canada
Deal found 4/29$566
This Mytrip deal was found by Cheapflights users on 4/29. 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 5/57:00 pmSEA - CPH
1 stop32h 55mIcelandair
Mon 5/1210:35 pmCPH - SEA
1 stop31h 05mIcelandair
Deal found 4/29$567
This Mytrip deal was found by Cheapflights users on 4/28. 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 9/35:30 amSEA - CPH
2 stops20h 20mMultiple Airlines
Tue 9/309:40 amCPH - SEA
2 stops17h 56mMultiple Airlines
Deal found 4/28$570
This Delta deal was found by Cheapflights users on 4/29. 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 8/133:20 pmSEA - CPH
2 stops19h 35mDelta
Tue 8/199:00 amCPH - SEA
1 stop22h 53mDelta
Deal found 4/29$577
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Wed 8/1311:45 pmSEA - CPH
2 stops22h 25mUnited Airlines
Wed 8/2012:20 pmCPH - SEA
2 stops42h 56mUnited Airlines
Deal found 4/28$579
This Lufthansa deal was found by Cheapflights users on 4/29. 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 8/1110:00 amSEA - CPH
2 stops36h 10mLufthansa
Mon 8/187:20 pmCPH - SEA
2 stops32h 16mLufthansa
Deal found 4/29$590
This SWISS deal was found by Cheapflights users on 4/29. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/122:50 pmSEA - CPH
2 stops18h 20mSWISS
Mon 8/188:10 pmCPH - SEA
2 stops31h 39mSWISS
Deal found 4/29$613
This Air France deal was found by Cheapflights users on 4/29. 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.
Mon 8/186:40 pmSEA - BLL
1 stop18h 45mAir France
Wed 9/176:45 amBLL - SEA
1 stop13h 30mAir France
Deal found 4/29$619
This FlightHub deal was found by Cheapflights users on 4/29. 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 10/297:00 amSEA - BLL
2 stops19h 00mMultiple Airlines
Sat 11/86:30 amBLL - SEA
2 stops20h 56mMultiple Airlines
Deal found 4/29$621
This Delta deal was found by Cheapflights users on 4/29. 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.
Mon 8/187:20 amSEA - BLL
2 stops17h 15mDelta
Wed 9/176:45 amBLL - SEA
1 stop19h 55mDelta
Deal found 4/29$629
This Austrian Airlines deal was found by Cheapflights users on 4/28. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/267:00 amSEA - CPH
2 stops27h 10mAustrian Airlines
Fri 9/127:00 amCPH - SEA
2 stops20h 49mAustrian Airlines
Deal found 4/28$659

Cheapflights Fare Finder

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 April 30, 2025.
Use the filters below to find and compare flights from Seattle to Denmark that are best for you.

Fly from

Seattle

Fly to

Denmark

Route

Depart

Return

Price

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Mon 8/25

4:00 pm-10:30 am

Nonstop9h 30m

Kastrup Copenhagen

Wed 9/10

1:05 pm-1:50 pm

Nonstop9h 45m

$564

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Mon 8/11

2:55 pm-7:10 am

2 stops31h 15m

Kastrup Copenhagen

Thu 8/21

12:45 pm-11:10 am

1 stop31h 25m

$566

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sat 8/9

11:30 pm-9:45 pm

1 stop13h 15m

Kastrup Copenhagen

Sun 8/17

10:35 pm-11:25 am

1 stop21h 50m

$568

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Mon 8/4

12:10 pm-7:10 am

2 stops34h 00m

Kastrup Copenhagen

Sun 8/24

8:10 pm-2:55 pm

1 stop27h 45m

$569

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 8/13

3:20 pm-7:55 pm

2 stops19h 35m

Kastrup Copenhagen

Tue 8/19

9:00 am-10:53 pm

1 stop22h 53m

$577

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 8/13

11:45 pm-7:10 am

2 stops22h 25m

Kastrup Copenhagen

Wed 8/20

12:20 pm-10:16 pm

2 stops42h 56m

$579

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Mon 8/11

10:00 am-7:10 am

2 stops36h 10m

Kastrup Copenhagen

Mon 8/18

7:20 pm-6:36 pm

2 stops32h 16m

$590

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Tue 8/12

2:50 pm-6:10 pm

2 stops18h 20m

Kastrup Copenhagen

Mon 8/18

8:10 pm-6:49 pm

2 stops31h 39m

$613

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Mon 8/18

6:40 pm-10:25 pm

1 stop18h 45m

Billund

Wed 9/17

6:45 am-11:15 am

1 stop13h 30m

$619

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Mon 8/18

7:20 am-9:35 am

2 stops17h 15m

Billund

Wed 9/17

6:45 am-5:40 pm

1 stop19h 55m

$629

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 37 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.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Denmark

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 $903). 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 April 30, 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 April 30, 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
7,929 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

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
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

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
1,334 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

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
1,275 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

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
1,588 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

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
1,446 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

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 $241 on Icelandair. Other airlines that offer cheap prices include Scandinavian Airlines from $453 and Air Canada 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 $1,216 for a flight from Seattle to Denmark. The cheapest flight overall is $227 while the most popular route, (Seattle/Tacoma Intl - Kastrup Copenhagen) is currently priced at $477.

  • 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 $903). 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$413Average$726FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$486Average$696FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$491Average$682FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$496Average$832FlexibilityNo cancel feeOn-time77%
FinnairCheapest$513Average$761FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$520Average$709FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$521Average$728FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$532Average$751FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$553Average$742FlexibilityNo cancel feeOn-time76%
DeltaCheapest$560Average$871FlexibilityNo cancel feeOn-timeN/A

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