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$200+ Cheap flights from Seattle (SEA) to Copenhagen (CPH)

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
ago. 2 — ago. 91
sáb. 8/2
sáb. 8/9
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Kastrup Copenhagen are usually found in February or November, booked 90 days in advance, depart on a Monday or Thursday and return on a Thursday

Cheap flight deals from Seattle to Copenhagen

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Copenhagen (CPH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated julio 28, 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 Kastrup Copenhagen
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One-way flight from Seattle/Tacoma Intl to Kastrup Copenhagen
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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 Kastrup Copenhagen.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Kastrup Copenhagen.
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Find flight deals from Seattle to Copenhagen

Cheapest flights from Seattle to Copenhagen
Explore the most affordable flight options available from Seattle to Copenhagen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 28, 2025.

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.
dom. 9/213:45 pmSEA - CPH
1 stop12h 10mIcelandair
dom. 10/52:05 pmCPH - SEA
1 stop15h 35mIcelandair
Deal found 7/27$477
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.
mié. 9/1010:00 amSEA - CPH
2 stops15h 50mMultiple Airlines
mié. 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.
mar. 9/97:15 amSEA - CPH
1 stop15h 15mUnited Airlines
mié. 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.
mié. 10/14:20 pmSEA - CPH
Nonstop9h 40mScandinavian Airlines
mié. 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.
mar. 8/196:40 pmSEA - CPH
1 stop15h 05mDelta
mar. 8/266:10 amCPH - SEA
2 stops19h 28mDelta
Deal found 7/28$494
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/1012:00 pmSEA - CPH
1 stop13h 50mAir Canada
mié. 9/2412:45 pmCPH - SEA
2 stops29h 37mAir Canada
Deal found 7/27$509
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.
lun. 7/284:25 pmSEA - CPH
1 stop12h 50mSWISS
lun. 8/256:40 amCPH - SEA
1 stop17h 15mSWISS
Deal found 7/27$512

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Copenhagen 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 julio 28, 2025.
Use the filters below to find and compare flights from Seattle to Copenhagen that are best for you.

Fly from

Seattle

Fly to

Copenhagen

Route

Depart

Return

Price

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

dom. 9/21

3:45 pm-12:55 pm

1 stop12h 10m

Kastrup Copenhagen

dom. 10/5

2:05 pm-8:40 pm

1 stop15h 35m

$477

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

mié. 9/10

10:00 am-10:50 am

2 stops15h 50m

Kastrup Copenhagen

mié. 9/17

12:45 pm-7:31 pm

1 stop15h 46m

$488

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

mar. 9/9

7:15 am-7:30 am

1 stop15h 15m

Kastrup Copenhagen

mié. 9/17

12:45 pm-6:49 pm

2 stops39h 04m

$489

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

mié. 10/1

4:20 pm-11:00 am

Nonstop9h 40m

Kastrup Copenhagen

mié. 10/15

1:05 pm-2:00 pm

Nonstop9h 55m

$490

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

mar. 8/19

6:40 pm-6:45 pm

1 stop15h 05m

Kastrup Copenhagen

mar. 8/26

6:10 am-4:38 pm

2 stops19h 28m

$494

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

mié. 9/10

12:00 pm-10:50 am

1 stop13h 50m

Kastrup Copenhagen

mié. 9/24

12:45 pm-9:22 am

2 stops29h 37m

$509

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

lun. 8/11

1:45 pm-11:25 pm

2 stops24h 40m

Kastrup Copenhagen

lun. 8/25

6:40 am-2:55 pm

1 stop17h 15m

$536

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

lun. 10/20

3:45 pm-9:45 pm

1 stop21h 00m

$200

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

sáb. 10/11

11:30 am-12:30 am

2 stops28h 00m

$275

SeattleCopenhagen

SEA - CPH

SEACPH

Seattle/Tacoma Intl

mar. 10/21

11:24 am-11:05 pm

2 stops26h 41m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 15 results
1
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Best time to book a flight from Seattle to Copenhagen

Have a flexible travel schedule? Discover the best time to fly to Copenhagen 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 Copenhagen

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Copenhagen. Price data was last updated on July 25, 2025.

The price you pay for your flight from Seattle to Copenhagen may vary depending on when you book. For the best chance of a lower fare, look to book 90 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, November is the cheapest month in which you can book a flight from Seattle to Copenhagen (average of $523). Flying from Seattle to Copenhagen in June is currently the most expensive (average of $911). 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 CPH?

Find hourly flight availability from Seattle to Copenhagen. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 28, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 20% on flights from Seattle to Copenhagen by exploring options for tickets in the evening.

What is the cheapest day to fly from Seattle to Copenhagen?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Copenhagen. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seattle to Copenhagen flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Seattle to Copenhagen?

Reviews of airlines servicing Copenhagen

Get insights into the airlines that provide service to Copenhagen. 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 Copenhagen. Reviews last updated julio 28, 2025.
Read through reviews of airlines operating flights from Seattle to Copenhagen, such as Delta, SWISS, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,971 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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
7,971 reviews
Delta
8.0
Very good
7,971 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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
7.6
Good
1,679 reviews
Delta
8.0
Very good
7,971 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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
8,893 reviews
Delta
8.0
Very good
7,971 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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!
Scandinavian Airlines
7.3
Good
1,446 reviews
Delta
8.0
Very good
7,971 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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 Canada
7.1
Good
9,813 reviews
Delta
8.0
Very good
7,971 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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 Copenhagen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Seattle to Copenhagen?

    If you book a flight from Seattle to Copenhagen, you will be flying from Seattle/Tacoma Intl to Kastrup Copenhagen. Flights to Kastrup Copenhagen (CPH) from Seattle/Tacoma Intl (SEA) take 9h 30m for a nonstop flight. There is 1 flight from Seattle/Tacoma Intl to Copenhagen per day from 11 airlines.

  • How popular is this Seattle to Copenhagen flight route?

    Within the past month, 8 users have taken a look at flights from Seattle/Tacoma Intl to Kastrup Copenhagen.

  • What are the cheapest airlines flying from Seattle to Copenhagen round-trip?

    Icelandair, at $477, was found to be the cheapest airline from Seattle to Copenhagen.Alternate airlines to your destination round-trip include United Airlines and Scandinavian Airlines. Icelandair is 25% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Seattle to Copenhagen 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 cheapest flights from Seattle to Copenhagen?

    On average you can expect to pay $1,670 for a flight from Seattle to Copenhagen. The cheapest flight overall is $329 while the most popular route, (Seattle/Tacoma Intl - Kastrup Copenhagen) is currently priced at $403.

  • Where are the most common layover locations when flying from Seattle to Copenhagen?

    The most popular layover on flights from Seattle to Copenhagen is Reykjavik.

  • What are some popular things to do or see while on a layover in Reykjavik?

    If you're on a layover in Reykjavik and looking for things to do, consider visiting Harpa, Hallgrímskirkja, or Laugardalslaug Geothermal Pool. Harpa, Hallgrímskirkja, and Laugardalslaug Geothermal Pool are located about 23.3 mi, 23.2 mi, and 24.6 mi, respectively from Reykjavik Keflavik Intl. Those landing in Reykjavik looking to spend some time exploring during their layover can rent a car for about $78 per day.

  • Where are the least popular layover locations for Seattle to Copenhagen flights?

    Seattle to Copenhagen flights have a layover in London the least frequently.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Seattle to Copenhagen (average of $523). Flying from Seattle to Copenhagen in June is currently the most expensive (average of $911). 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 Copenhagen?

Book flights to Copenhagen if you plan to visit one of these locations
Kastrup

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Seattle to Copenhagen

Discover the top 10 airlines that operate flights from Seattle to Copenhagen. 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 julio 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
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%
KLMCheapest$572Average$762FlexibilityNo cancel feeOn-time75%

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