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Denmark

$197+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CPH
May 30 — Jun 61
Sat 5/30
Sat 6/6
1 adult, Economy
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Cheap 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, 2026.

This Super.com deal was found by Cheapflights users on 4/26. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/172:35 pm
SEA
-
CPH
1 stop20h 10m
Icelandair
Tue 11/248:15 am
CPH
-
SEA
1 stop17h 45m
Icelandair
Deal found 4/26$467
This Mytrip deal was found by Cheapflights users on 4/25. 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.
Fri 5/16:50 pm
SEA
-
CPH
1 stop19h 40m
Multiple Airlines
Tue 5/512:45 pm
CPH
-
SEA
1 stop17h 23m
Multiple Airlines
Deal found 4/25$469
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.
Sat 8/157:35 pm
SEA
-
CPH
2 stops30h 00m
United Airlines
Mon 8/2412:15 pm
CPH
-
SEA
2 stops44h 30m
United Airlines
Deal found 4/28$470
This Mytrip deal was found by Cheapflights users on 4/27. 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.
Sun 11/83:10 pm
SEA
-
CPH
1 stop22h 55m
Multiple Airlines
Wed 11/1111:45 am
CPH
-
SEA
1 stop19h 31m
Multiple Airlines
Deal found 4/27$472
This FlightHub deal was found by Cheapflights users on 4/26. 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 8/177:20 pm
SEA
-
CPH
2 stops28h 35m
Air Canada
Mon 8/2412:15 pm
CPH
-
SEA
2 stops30h 52m
Air Canada
Deal found 4/26$474
This United Airlines deal was found by Cheapflights users on 4/25. 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 4/277:00 am
SEA
-
CPH
2 stops18h 50m
United Airlines
Tue 5/512:45 pm
CPH
-
SEA
2 stops36h 03m
United Airlines
Deal found 4/25$475
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/112:35 pm
SEA
-
CPH
1 stop20h 10m
Icelandair
Wed 11/185:05 pm
CPH
-
SEA
1 stop32h 55m
Icelandair
Deal found 4/29$476
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 5/610:45 am
SEA
-
CPH
2 stops20h 40m
Lufthansa
Sun 5/1012:40 pm
CPH
-
SEA
1 stop13h 19m
Lufthansa
Deal found 4/27$478
This Air Canada deal was found by Cheapflights users on 4/27. 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 8/138:00 am
SEA
-
CPH
1 stop17h 50m
Air Canada
Fri 8/2112:15 pm
CPH
-
SEA
2 stops19h 33m
Air Canada
Deal found 4/27$479
This Justfly.com deal was found by Cheapflights users on 4/26. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:00 am
SEA
-
CPH
2 stops15h 55m
Air Canada
Wed 8/2612:15 pm
CPH
-
SEA
2 stops30h 52m
Air Canada
Deal found 4/26$482
This FlightHub deal was found by Cheapflights users on 4/30. 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 11/117:05 pm
SEA
-
CPH
2 stops30h 15m
Air Canada
Wed 11/1811:35 am
CPH
-
SEA
1 stop19h 41m
Air Canada
Deal found 4/30$484
This United Airlines deal was found by Cheapflights users on 4/26. 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 5/16:50 pm
SEA
-
CPH
1 stop19h 40m
United Airlines
Tue 5/512:45 pm
CPH
-
SEA
2 stops41h 21m
United Airlines
Deal found 4/26$486

Find 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, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$470
(United Airlines)

One-way from

$197
(Super.com)

Popular in

December

Cheapest in

February

Average price

$526

Good round-trip deal

$735 or less

Good one-way deal

$589 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Kastrup Copenhagen flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Kastrup Copenhagen flights.
Search Deals
From Seattle/Tacoma Intl to Denmark
Search Deals
One-way flight from Seattle/Tacoma Intl to Denmark
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Denmark.
Search Deals
Price to beat on a one-way flight from Seattle/Tacoma Intl to Denmark.
Search Deals

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, 2026.
Use the filters below to find and compare flights from Seattle to Denmark that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Mon 6/29

1:30 pm-4:25 pm

1 stop17h 55m

Billund

Thu 7/9

6:00 am-11:33 am

1 stop14h 33m

$673

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Mon 6/29

7:15 am-9:25 am

2 stops17h 10m

Billund

Thu 7/9

6:40 am-11:15 am

1 stop13h 35m

$680

SeattleAalborg

SEA - AAL

SEAAAL

Seattle/Tacoma Intl

Sat 5/16

1:45 pm-10:00 am

1 stop35h 15m

Aalborg

Mon 5/25

6:20 am-4:30 pm

1 stop19h 10m

$683

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sun 5/31

7:15 am-6:45 am

1 stop14h 30m

Kastrup Copenhagen

Tue 7/28

6:00 am-11:08 pm

2 stops26h 08m

$683

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Thu 7/2

10:20 pm-6:45 am

1 stop23h 25m

Kastrup Copenhagen

Thu 7/16

6:00 am-2:00 pm

2 stops17h 00m

$715

SeattleAalborg

SEA - AAL

SEAAAL

Seattle/Tacoma Intl

Sun 6/28

9:30 am-5:45 pm

2 stops23h 15m

Aalborg

Mon 7/6

6:20 am-8:03 pm

2 stops22h 43m

$725

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Fri 6/5

11:00 pm-8:55 am

2 stops48h 55m

Kastrup Copenhagen

Sun 6/14

6:20 am-6:30 pm

2 stops21h 10m

$730

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sun 5/31

6:50 pm-11:30 pm

1 stop19h 40m

Kastrup Copenhagen

Sun 6/7

6:00 am-4:59 pm

1 stop19h 59m

$738

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Sat 5/30

10:29 am-10:50 am

3 stops63h 21m

Kastrup Copenhagen

Sat 6/6

8:40 am-4:59 pm

1 stop17h 19m

$746

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Fri 8/7

6:30 am-10:50 am

2 stops43h 20m

Kastrup Copenhagen

Mon 8/17

12:15 pm-9:21 pm

3 stops66h 06m

$754

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 36 resultsSorted by cheapest first
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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

How far ahead should I book a flight from Seattle to Denmark?

Booking 25 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Denmark. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 $212). Flying from Seattle to Denmark in June is currently the most expensive (average of $496). 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.

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, 2026.
See what other customers who have flown with Delta,Scandinavian Airlines, andIcelandair from Seattle to Denmark have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,465 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,465 reviews
Delta
7.9
Good
8,465 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Scandinavian Airlines
7.4
Good
1,767 reviews
Delta
7.9
Good
8,465 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Icelandair
7.0
Good
646 reviews
Delta
7.9
Good
8,465 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Lufthansa
6.8
Okay
7,964 reviews
Delta
7.9
Good
8,465 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,937 reviews
Delta
7.9
Good
8,465 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.8

Boarding

8.1

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 15 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Seattle to Denmark?

    Airlines like United Airlines, Air France, and Delta fly from Seattle to Denmark in about 17h 10m. The time it takes to get you to your destination can typically vary by up to 15h 40m. There are 4771 mi between Seattle and Denmark. This flight may include one or multiple stops.

  • 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 $185 on Icelandair. Other airlines that offer cheap prices include KLM from $196 and Air France from $248 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 $1,433 for a flight from Seattle to Denmark. The cheapest flight overall is $470 while the most popular route, (Seattle/Tacoma Intl - Kastrup Copenhagen) is currently priced at $470.

  • 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 $212). Flying from Seattle to Denmark in June is currently the most expensive (average of $496). 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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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, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$332Average$596FlexibilityNo cancel feeOn-time77%
SWISSCheapest$371Average$476FlexibilityNo cancel feeOn-time79%
IcelandairCheapest$420Average$544FlexibilityNo cancel feeOn-time76%
DeltaCheapest$421Average$748FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$506Average$721FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$513Average$728FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$515Average$683FlexibilityNo cancel feeOn-time67%
KLMCheapest$528Average$669FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$530Average$735FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$535Average$715FlexibilityNo cancel feeOn-time69%

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