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Denmark

$268+ 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
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
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 septiembre 11, 2025.

Round-trip from

$457
(CrystalTravel)

One-way from

$268
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$632

Good round-trip deal

$521 or less

Good one-way deal

$397 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 ($65 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 September 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 septiembre 11, 2025.

This CrystalTravel deal was found by Cheapflights users on 9/10. 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.
jue. 10/1612:45 pmSEA - CPH
1 stop17h 25mScandinavian Airlines
mié. 10/221:10 pmCPH - SEA
Nonstop9h 50mScandinavian Airlines
Deal found 9/10$457
This Flightnetwork deal was found by Cheapflights users on 9/10. 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.
dom. 10/57:00 pmSEA - CPH
1 stop32h 55mIcelandair
dom. 10/1910:35 pmCPH - SEA
1 stop31h 05mIcelandair
Deal found 9/10$459
This Ticket deal was found by Cheapflights users on 9/10. 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.
dom. 10/57:10 amSEA - CPH
1 stop18h 35mScandinavian Airlines
dom. 10/191:10 pmCPH - SEA
Nonstop9h 50mScandinavian Airlines
Deal found 9/10$462
This Icelandair deal was found by Cheapflights users on 9/10. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/242:35 pmSEA - CPH
1 stop21h 00mIcelandair
mar. 12/212:55 pmCPH - SEA
1 stop13h 05mIcelandair
Deal found 9/10$465
This Gurufare deal was found by Cheapflights users on 9/8. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/262:35 pmSEA - CPH
1 stop12h 10mIcelandair
lun. 4/132:00 pmCPH - SEA
1 stop12h 50mIcelandair
Deal found 9/8$466
This Icelandair deal was found by Cheapflights users on 9/10. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/122:35 pmSEA - CPH
1 stop21h 00mIcelandair
lun. 11/179:30 pmCPH - SEA
1 stop28h 30mIcelandair
Deal found 9/10$467
This FlightHub deal was found by Cheapflights users on 9/9. 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.
dom. 10/127:25 amSEA - CPH
1 stop18h 20mScandinavian Airlines
vie. 10/241:10 pmCPH - SEA
Nonstop9h 50mScandinavian Airlines
Deal found 9/9$468
This oojo deal was found by Cheapflights users on 9/10. 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.
mar. 9/303:45 pmSEA - CPH
1 stop15h 00mIcelandair
mar. 10/74:45 pmCPH - SEA
1 stop12h 55mIcelandair
Deal found 9/10$471
This Scandinavian Airlines deal was found by Cheapflights users on 9/10. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/112:11 pmSEA - CPH
1 stop16h 14mScandinavian Airlines
mié. 11/1912:50 pmCPH - SEA
2 stops42h 35mScandinavian Airlines
Deal found 9/10$472
This Icelandair deal was found by Cheapflights users on 9/8. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/232:35 pmSEA - CPH
1 stop12h 10mIcelandair
lun. 4/132:00 pmCPH - SEA
1 stop12h 50mIcelandair
Deal found 9/8$473
This FlightHub deal was found by Cheapflights users on 9/10. 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.
mar. 9/307:00 pmSEA - CPH
1 stop11h 45mIcelandair
vie. 10/174:45 pmCPH - SEA
1 stop12h 55mIcelandair
Deal found 9/10$474
This KLM deal was found by Cheapflights users on 9/9. 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.
mié. 10/82:10 pmSEA - BLL
1 stop12h 00mMultiple Airlines
mié. 10/156:45 amBLL - SEA
1 stop13h 30mMultiple Airlines
Deal found 9/9$529

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 septiembre 11, 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

lun. 11/17

2:35 pm-11:45 am

1 stop12h 10m

Kastrup Copenhagen

vie. 11/21

12:55 pm-5:00 pm

1 stop13h 05m

$465

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

mar. 11/11

2:11 pm-3:25 pm

1 stop16h 14m

Kastrup Copenhagen

mié. 11/19

12:50 pm-10:25 pm

2 stops42h 35m

$472

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

mié. 11/26

2:35 pm-11:45 am

1 stop12h 10m

Kastrup Copenhagen

sáb. 4/18

5:15 pm-9:10 pm

1 stop12h 55m

$473

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

dom. 10/12

7:19 am-6:30 am

1 stop14h 11m

Kastrup Copenhagen

mié. 10/22

9:00 am-11:54 pm

2 stops23h 54m

$499

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

sáb. 10/11

9:59 pm-6:30 am

1 stop23h 31m

Kastrup Copenhagen

mar. 10/21

9:00 am-8:45 pm

2 stops20h 45m

$499

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

lun. 11/24

10:40 am-12:00 pm

1 stop16h 20m

Kastrup Copenhagen

lun. 4/13

4:10 pm-10:16 pm

2 stops39h 06m

$504

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

dom. 10/5

4:20 pm-10:50 am

Nonstop9h 30m

Kastrup Copenhagen

dom. 10/19

1:10 pm-2:00 pm

Nonstop9h 50m

$520

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

sáb. 10/11

9:59 pm-6:30 am

1 stop23h 31m

Kastrup Copenhagen

vie. 10/24

9:00 am-11:54 pm

2 stops23h 54m

$521

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

dom. 10/5

9:58 pm-6:30 am

1 stop23h 32m

Kastrup Copenhagen

dom. 10/19

9:20 am-11:50 am

1 stop35h 30m

$521

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

sáb. 11/29

2:35 pm-11:45 am

1 stop12h 10m

Kastrup Copenhagen

lun. 4/13

2:00 pm-5:50 pm

1 stop12h 50m

$523

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 23 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 $910). 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 septiembre 11, 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.

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 septiembre 11, 2025.
See what other customers who have flown with Delta, Scandinavian Airlines, and Icelandair 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
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

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
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

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!
Scandinavian Airlines
7.4
Good
1,484 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

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!
Icelandair
7.0
Good
546 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

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!
Lufthansa
6.8
Okay
7,409 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

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!
British Airways
6.7
Okay
7,361 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

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.

  • How long is the flight from Seattle to Denmark?

    Airlines like Icelandair, Scandinavian Airlines, and Delta fly from Seattle to Denmark in about 12h 10m. The time it takes to get you to your destination can typically vary by up to 4h 04m. There are 4850 mi between Seattle and Denmark. This flight may include one or multiple stops.

  • 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 most reliable airlines from Seattle to Denmark?

    The top 3 most reliable airlines when flying from Seattle to Denmark are Air France (100%), Scandinavian Airlines (93%) and Delta (93%).

  • What are the cheapest flights from Seattle to Denmark?

    On average you can expect to pay $1,639 for a flight from Seattle to Denmark. The cheapest flight overall is $373 while the most popular route, (Seattle/Tacoma Intl - Kastrup Copenhagen) is currently priced at $419.

  • 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 $910). 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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$418Average$657FlexibilityNo cancel feeOn-time77%
DeltaCheapest$421Average$775FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$422Average$587FlexibilityNo cancel feeOn-time76%
FinnairCheapest$476Average$715FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$486Average$599FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$493Average$686FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$502Average$728FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$536Average$683FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$553Average$739FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$553Average$719FlexibilityNo cancel feeOn-time76%

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