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Denmark

$241+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CPH
Apr 21 — Apr 281
Mon 4/21
Mon 4/28
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 16, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$433
(Flightnetwork)

One-way from

$269
(Gurufare)

Popular in

June

Cheapest in

February

Average price

$599

Good round-trip deal

$579 or less

Good one-way deal

$364 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 ($15 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 16, 2025.

This Flightnetwork deal was found by Cheapflights users on 4/16. 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.
Sun 5/187:00 pmSEA - BLL
1 stop17h 35mIcelandair
Fri 5/2310:35 pmBLL - SEA
1 stop31h 05mIcelandair
Deal found 4/16$433
This CrystalTravel deal was found by Cheapflights users on 4/14. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/273:45 pmSEA - CPH
1 stop21h 00mIcelandair
Sun 9/74:45 pmCPH - SEA
1 stop12h 55mIcelandair
Deal found 4/14$535
This StudentUniverse deal was found by Cheapflights users on 4/15. 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.
Tue 11/46:50 pmSEA - CPH
1 stop15h 10mFinnair
Tue 11/118:40 amCPH - SEA
2 stops22h 49mFinnair
Deal found 4/15$538
This Flightnetwork deal was found by Cheapflights users on 4/15. 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.
Wed 5/75:30 amSEA - CPH
2 stops20h 20mAir Canada
Thu 5/2212:50 pmCPH - SEA
2 stops18h 23mAir Canada
Deal found 4/15$557
This Ticket deal was found by Cheapflights users on 4/15. 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.
Mon 5/264:00 pmSEA - CPH
Nonstop9h 30mScandinavian Airlines
Mon 6/91:05 pmCPH - SEA
Nonstop9h 45mScandinavian Airlines
Deal found 4/15$576
This FlightHub deal was found by Cheapflights users on 4/16. 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 9/107:15 pmSEA - CPH
2 stops26h 55mLufthansa
Wed 9/2412:20 pmCPH - SEA
2 stops33h 45mLufthansa
Deal found 4/16$577
This United Airlines deal was found by Cheapflights users on 4/16. 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 10/207:00 amSEA - CPH
2 stops18h 50mUnited Airlines
Fri 10/3111:15 amCPH - SEA
2 stops33h 36mUnited Airlines
Deal found 4/16$583
This Delta deal was found by Cheapflights users on 4/14. 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.
Tue 9/3011:59 amSEA - CPH
1 stop13h 06mDelta
Wed 10/812:20 pmCPH - SEA
1 stop17h 12mDelta
Deal found 4/14$598
This Air France deal was found by Cheapflights users on 4/16. 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.
Wed 10/293:00 pmSEA - BLL
1 stop15h 00mAir France
Sat 11/86:30 amBLL - SEA
1 stop13h 50mAir France
Deal found 4/16$613
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Wed 5/77:00 pmSEA - CPH
1 stop11h 45mMultiple Airlines
Wed 5/143:35 pmCPH - SEA
2 stops38h 07mMultiple Airlines
Deal found 4/16$615
This Delta deal was found by Cheapflights users on 4/16. 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 10/2911:25 amSEA - BLL
2 stops18h 35mDelta
Sat 11/86:30 amBLL - SEA
1 stop13h 50mDelta
Deal found 4/16$618
This British Airways deal was found by Cheapflights users on 4/15. 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 10/11:29 pmSEA - CPH
2 stops17h 21mBritish Airways
Wed 10/151:50 pmCPH - SEA
1 stop13h 30mBritish Airways
Deal found 4/15$618

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 16, 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

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Sun 5/18

7:00 pm-9:35 pm

1 stop17h 35m

Billund

Fri 5/23

10:35 pm-8:40 pm

1 stop31h 05m

$433

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 8/27

3:45 pm-9:45 pm

1 stop21h 00m

Kastrup Copenhagen

Sun 9/7

4:45 pm-8:40 pm

1 stop12h 55m

$535

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 5/7

5:30 am-10:50 am

2 stops20h 20m

Kastrup Copenhagen

Thu 5/22

12:50 pm-10:13 pm

2 stops18h 23m

$557

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 5/7

5:40 pm-6:40 pm

1 stop16h 00m

Kastrup Copenhagen

Wed 5/14

8:40 am-4:00 pm

1 stop16h 20m

$562

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Mon 5/26

4:00 pm-10:30 am

Nonstop9h 30m

Kastrup Copenhagen

Mon 6/9

1:05 pm-1:50 pm

Nonstop9h 45m

$576

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 9/10

7:15 pm-7:10 am

2 stops26h 55m

Kastrup Copenhagen

Wed 9/24

12:20 pm-1:05 pm

2 stops33h 45m

$577

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Tue 9/30

11:59 am-10:05 am

1 stop13h 06m

Kastrup Copenhagen

Wed 10/8

12:20 pm-8:32 pm

1 stop17h 12m

$598

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 5/7

5:15 am-10:50 am

2 stops20h 35m

Kastrup Copenhagen

Wed 5/14

6:10 am-6:33 pm

2 stops21h 23m

$602

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 5/7

7:00 pm-3:45 pm

1 stop11h 45m

Kastrup Copenhagen

Wed 5/14

3:35 pm-8:42 pm

2 stops38h 07m

$615

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 10/1

1:29 pm-3:50 pm

2 stops17h 21m

Kastrup Copenhagen

Wed 10/15

1:50 pm-6:20 pm

1 stop13h 30m

$618

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 42 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 $953). 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 16, 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 16, 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
7,916 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

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
7,916 reviews
Delta
8.0
Very good
7,916 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

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
1,326 reviews
Delta
8.0
Very good
7,916 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

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
1,269 reviews
Delta
8.0
Very good
7,916 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

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
7.5
Good
1,435 reviews
Delta
8.0
Very good
7,916 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

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.
United Airlines
7.4
Good
8,665 reviews
Delta
8.0
Very good
7,916 reviews

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

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 $269 on Icelandair. Other airlines that offer cheap prices include United Airlines from $416 and Air Canada from $457 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 - Aalborg as they are the most popular.

  • What are the cheapest flights from Seattle to Denmark?

    On average you can expect to pay $1,307 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 $490.

  • 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 $953). 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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Alternative routes for Seattle to Denmark

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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 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$415Average$725FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$492Average$696FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$492Average$682FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$496Average$849FlexibilityNo cancel feeOn-time77%
FinnairCheapest$513Average$776FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$520Average$667FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$521Average$728FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$532Average$759FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$553Average$827FlexibilityNo cancel feeOn-time76%
DeltaCheapest$560Average$873FlexibilityNo cancel feeOn-timeN/A

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