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$503+ Cheap flights from Denmark to Seattle (SEA)

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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
CPH — SEA
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheap flight deals from Denmark to Seattle

Keep the following information in mind while searching for Denmark to Seattle flight deals. Data was last updated junio 12, 2025.

Round-trip from

$578
(lastminute.com)

One-way from

$503
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$737

Good round-trip deal

$777 or less

Good one-way deal

$866 or less
From Denmark to Seattle/Tacoma Intl
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One-way flight from Denmark to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 19% potential increase in price ($142 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Denmark to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Denmark to Seattle/Tacoma Intl.
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Find flight deals from Denmark to Seattle

Cheapest flights from Denmark to Seattle
Explore the most affordable flight options available from Denmark to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

This lastminute.com deal was found by Cheapflights users on 6/11. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 7/136:00 amCPH - SEA
1 stop14h 35mMultiple Airlines
sáb. 7/266:30 pmSEA - CPH
1 stop29h 30mMultiple Airlines
Deal found 6/11$578
This Travelis deal was found by Cheapflights users on 6/11. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/277:35 pmCPH - SEA
1 stop25h 05mKLM
mar. 7/15:35 pmSEA - CPH
1 stop15h 45mKLM
Deal found 6/11$581
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/227:00 amCPH - SEA
1 stop14h 10mUnited Airlines
jue. 1/111:05 amSEA - CPH
2 stops17h 55mUnited Airlines
Deal found 6/10$582
This Lufthansa deal was found by Cheapflights users on 6/10. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/157:00 amCPH - SEA
1 stop14h 10mLufthansa
vie. 1/23:10 pmSEA - CPH
1 stop22h 45mLufthansa
Deal found 6/10$583
This Air Canada deal was found by Cheapflights users on 6/11. 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.
jue. 12/189:50 amCPH - SEA
2 stops21h 06mAir Canada
mié. 12/315:50 amSEA - CPH
2 stops20h 55mAir Canada
Deal found 6/11$602
This Icelandair deal was found by Cheapflights users on 6/11. 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.
mar. 12/1612:55 pmCPH - SEA
1 stop13h 05mIcelandair
jue. 1/82:35 pmSEA - CPH
1 stop12h 10mIcelandair
Deal found 6/11$667
This Flightsearch deal was found by Cheapflights users on 6/10. 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 Flightsearch is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/11:15 pmCPH - SEA
2 stops31h 20mBritish Airways
dom. 8/178:20 pmSEA - CPH
1 stop15h 35mBritish Airways
Deal found 6/10$703
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/182:00 pmCPH - SEA
2 stops28h 19mAmerican Airlines
lun. 8/411:49 pmSEA - CPH
2 stops26h 26mAmerican Airlines
Deal found 6/11$704
This Delta deal was found by Cheapflights users on 6/11. 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.
jue. 7/179:25 amCPH - SEA
1 stop15h 25mDelta
sáb. 8/24:00 pmSEA - CPH
Nonstop9h 30mDelta
Deal found 6/11$709
This SWISS deal was found by Cheapflights users on 6/10. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/309:40 amCPH - SEA
1 stop14h 15mSWISS
lun. 7/71:45 pmSEA - CPH
2 stops34h 10mSWISS
Deal found 6/10$714
This Ticket deal was found by Cheapflights users on 6/10. 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.
vie. 8/11:05 pmCPH - SEA
Nonstop9h 45mScandinavian Airlines
dom. 8/174:00 pmSEA - CPH
Nonstop9h 30mScandinavian Airlines
Deal found 6/10$731
This ResecentrumGruppen deal was found by Cheapflights users on 6/11. 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 ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/268:50 amCPH - SEA
1 stop16h 10mFinnair
sáb. 8/25:40 pmSEA - CPH
1 stop20h 30mFinnair
Deal found 6/11$749

Cheapflights Fare Finder

Customize your flight search to find flights from Denmark to Seattle 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 junio 12, 2025.
Use the filters below to find and compare flights from Denmark to Seattle that are best for you.

Fly from

Denmark

Fly to

Seattle

Route

Depart

Return

Price

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

dom. 7/13

6:00 am-11:35 am

1 stop14h 35m

Seattle/Tacoma Intl

sáb. 7/26

6:30 pm-9:00 am

1 stop29h 30m

$578

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

vie. 6/27

7:35 pm-11:40 am

1 stop25h 05m

Seattle/Tacoma Intl

mar. 7/1

5:35 pm-6:20 pm

1 stop15h 45m

$581

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

mié. 7/16

6:10 am-12:59 am

2 stops27h 49m

Seattle/Tacoma Intl

vie. 8/1

7:00 am-2:10 pm

2 stops22h 10m

$592

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

vie. 8/1

9:35 am-6:36 pm

2 stops18h 01m

Seattle/Tacoma Intl

dom. 8/17

7:20 am-7:10 am

1 stop14h 50m

$649

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

mié. 8/6

4:15 pm-11:35 am

1 stop28h 20m

Seattle/Tacoma Intl

dom. 8/17

8:32 am-11:15 am

2 stops17h 43m

$653

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

dom. 8/3

7:00 am-6:20 pm

1 stop20h 20m

Seattle/Tacoma Intl

lun. 8/25

1:30 pm-8:55 pm

1 stop22h 25m

$676

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

vie. 7/4

6:40 am-6:36 pm

2 stops20h 56m

Seattle/Tacoma Intl

lun. 7/7

1:45 pm-11:25 pm

2 stops24h 40m

$702

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

jue. 7/17

9:25 am-3:50 pm

1 stop15h 25m

Seattle/Tacoma Intl

sáb. 8/2

4:00 pm-10:30 am

Nonstop9h 30m

$709

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

dom. 6/29

6:05 am-12:25 pm

1 stop15h 20m

Seattle/Tacoma Intl

mié. 7/9

6:50 pm-8:05 am

1 stop28h 15m

$715

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

vie. 8/1

1:05 pm-1:50 pm

Nonstop9h 45m

Seattle/Tacoma Intl

dom. 8/17

4:00 pm-10:30 am

Nonstop9h 30m

$731

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 25 results
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Best time to book a flight from Denmark to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Denmark 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 Denmark to Seattle

What is the cheapest month to book a flight from Denmark to Seattle?

Currently, January is the cheapest month in which you can book a flight from Denmark to Seattle (average of $238). Flying from Denmark to Seattle in July is currently the most expensive (average of $391). 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 DK to SEA?

Find hourly flight availability from Denmark to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Denmark to Seattle as you normally would.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated junio 12, 2025.
Get a feel of what it's like to fly with Delta, KLM and Austrian Airlines from Denmark to Seattle by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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!
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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
1,623 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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 Denmark to Seattle. 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 into for flights to Seattle from Denmark?

    For a flight from Denmark to Seattle, you will be flying into Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city.

  • What are the cheapest airlines to fly from Denmark to Seattle one-way?

    The cheapest airlines for a one-way flight from Denmark to Seattle are Scandinavian Airlines ($532), British Airways ($539), and Icelandair ($570).

  • What are the most popular routes from Denmark to Seattle?

    Most travelers choose Kastrup Copenhagen - Seattle/Tacoma Intl, Aalborg - Seattle/Tacoma Intl or Aarhus - Seattle/Tacoma Intl when deciding on the best route from Denmark to Seattle.

  • What are the cheapest flights from Denmark to Seattle?

    While on average a flight from Denmark to Seattle is generally $972, our data shows the cheapest flight currently is $632. When looking at the most popular route, (Kastrup Copenhagen - Seattle/Tacoma Intl), you can expect to pay $474 for that flight.

  • Can I find deals for flights from Denmark to Seattle that include hotel bookings?

    Yes. In addition to deals on Denmark to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denmark to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denmark to Seattle.

  • Can I find deals for business class flights from Denmark to Seattle?

    Yes. Cheapflights offers flight deals from Denmark to Seattle 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 Denmark to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Denmark to Seattle (average of $238). Flying from Denmark to Seattle in July is currently the most expensive (average of $391). 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

Traveling to a place near Denmark?

Book flights to Denmark if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lacey
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Kent
Cle Elum
Centralia
Kirkland
Aberdeen
Renton
Shelton
Silverdale
Issaquah

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Alternative routes for Denmark to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Denmark to Seattle

Discover the top 7 airlines that operate flights from Denmark to Seattle. 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$430Average$613FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$456Average$556FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$463Average$554FlexibilityNo cancel feeOn-time70%
KLMCheapest$469Average$607FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$483Average$690FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$516Average$658FlexibilityNo cancel feeOn-time69%
Scandinavian AirlinesCheapest$594Average$777FlexibilityNo cancel feeOn-time77%

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