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Denmark

$200+ 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CPH
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
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 July 29, 2025.

Round-trip from

$477
(Gotogate)

One-way from

$200
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$713

Good round-trip deal

$541 or less

Good one-way deal

$406 or less
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. 9% potential increase in price ($69 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 29, 2025.

This KLM deal was found by Cheapflights users on 7/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/291:30 pmSEA - BLL
1 stop23h 55mMultiple Airlines
Mon 8/186:35 pmBLL - SEA
1 stop26h 00mMultiple Airlines
Deal found 7/28$473
This Gotogate deal was found by Cheapflights users on 7/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/213:45 pmSEA - CPH
1 stop12h 10mIcelandair
Sun 10/52:05 pmCPH - SEA
1 stop15h 35mIcelandair
Deal found 7/27$477
This KLM deal was found by Cheapflights users on 7/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/241:55 pmSEA - AAL
1 stop23h 35mKLM
Sun 11/210:20 amAAL - SEA
1 stop34h 30mKLM
Deal found 7/28$478
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/241:30 pmSEA - AAL
2 stops19h 10mDelta
Sun 11/25:00 amAAL - SEA
1 stop14h 50mDelta
Deal found 7/28$482
This Mytrip deal was found by Cheapflights users on 7/27. 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.
Wed 9/1010:00 amSEA - CPH
2 stops15h 50mMultiple Airlines
Wed 9/1712:45 pmCPH - SEA
1 stop15h 46mMultiple Airlines
Deal found 7/27$488
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/97:15 amSEA - CPH
1 stop15h 15mUnited Airlines
Wed 9/1712:45 pmCPH - SEA
2 stops39h 04mUnited Airlines
Deal found 7/27$489
This Expedia deal was found by Cheapflights users on 7/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/14:20 pmSEA - CPH
Nonstop9h 40mScandinavian Airlines
Wed 10/151:05 pmCPH - SEA
Nonstop9h 55mScandinavian Airlines
Deal found 7/27$490
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/196:40 pmSEA - CPH
1 stop15h 05mDelta
Tue 8/266:10 amCPH - SEA
2 stops19h 28mDelta
Deal found 7/28$494
This Air France deal was found by Cheapflights users on 7/28. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/291:30 pmSEA - BLL
1 stop23h 55mAir France
Thu 8/1411:45 amBLL - SEA
1 stop14h 50mAir France
Deal found 7/28$498
This Air Canada deal was found by Cheapflights users on 7/29. 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 9/810:00 amSEA - CPH
2 stops15h 50mAir Canada
Thu 12/49:50 amCPH - SEA
2 stops21h 06mAir Canada
Deal found 7/29$505
This SWISS deal was found by Cheapflights users on 7/27. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/284:25 pmSEA - CPH
1 stop12h 50mSWISS
Mon 8/256:40 amCPH - SEA
1 stop17h 15mSWISS
Deal found 7/27$512
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/27:10 amSEA - BLL
2 stops19h 00mDelta
Mon 10/276:30 amBLL - SEA
1 stop15h 45mDelta
Deal found 7/28$535

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 July 29, 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

Sun 9/21

3:45 pm-12:55 pm

1 stop12h 10m

Kastrup Copenhagen

Sun 10/5

2:05 pm-8:40 pm

1 stop15h 35m

$477

SeattleAalborg

SEA - AAL

SEAAAL

Seattle/Tacoma Intl

Fri 10/24

6:15 pm-5:40 pm

1 stop14h 25m

Aalborg

Sun 11/2

5:00 am-11:50 am

1 stop14h 50m

$478

SeattleAalborg

SEA - AAL

SEAAAL

Seattle/Tacoma Intl

Fri 10/24

1:30 pm-5:40 pm

2 stops19h 10m

Aalborg

Sun 11/2

5:00 am-11:50 am

1 stop14h 50m

$482

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 9/10

10:00 am-10:50 am

2 stops15h 50m

Kastrup Copenhagen

Wed 9/17

12:45 pm-7:31 pm

1 stop15h 46m

$488

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Tue 9/9

7:15 am-7:30 am

1 stop15h 15m

Kastrup Copenhagen

Wed 9/17

12:45 pm-6:49 pm

2 stops39h 04m

$489

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 10/1

4:20 pm-11:00 am

Nonstop9h 40m

Kastrup Copenhagen

Wed 10/15

1:05 pm-2:00 pm

Nonstop9h 55m

$490

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Tue 8/19

6:40 pm-6:45 pm

1 stop15h 05m

Kastrup Copenhagen

Tue 8/26

6:10 am-4:38 pm

2 stops19h 28m

$494

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

Wed 9/10

12:00 pm-10:50 am

1 stop13h 50m

Kastrup Copenhagen

Wed 9/24

12:45 pm-9:22 am

2 stops29h 37m

$509

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Wed 8/13

6:40 pm-10:25 pm

1 stop18h 45m

Billund

Sun 8/17

6:15 am-5:35 pm

1 stop20h 20m

$517

SeattleBillund

SEA - BLL

SEABLL

Seattle/Tacoma Intl

Tue 9/2

7:10 am-11:10 am

2 stops19h 00m

Billund

Mon 10/27

6:30 am-2:15 pm

1 stop15h 45m

$535

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 26 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 $912). 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 July 29, 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 Monday afternoons when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 July 29, 2025.
See what other customers who have flown with Delta, KLM, and Air France 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
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,465 reviews
Delta
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,683 reviews
Delta
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,979 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 8 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 $200 on Icelandair. Other airlines that offer cheap prices include TAP AIR PORTUGAL from $275 and Air Canada from $374 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 $1,670 for a flight from Seattle to Denmark. The cheapest flight overall is $329 while the most popular route, (Seattle/Tacoma Intl - Kastrup Copenhagen) is currently priced at $421.

  • 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 $912). 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

See prices for flight routes from nearby airports that may be better suited for you.
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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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$366Average$771FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$418Average$673FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$422Average$592FlexibilityNo cancel feeOn-time76%
FinnairCheapest$476Average$754FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$486Average$600FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$493Average$675FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$513Average$734FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$543Average$739FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$553Average$777FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$569Average$683FlexibilityNo cancel feeOn-time67%

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