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Cheap flights from Copenhagen to Seattle from £290

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 19/9. Fares are subject to change and may not be available on all flights or dates of travel.
CPH — SEA
21 Jun — 28 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Copenhagen to Seattle

Enter your travel dates to find the best prices.

Cheapest flights from Copenhagen to Seattle
Explore the most affordable flight options available from Copenhagen to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 May 2026.

Fri 14/807:20
CPH
-
SEA
1 stop13h 25m
Icelandair
Fri 28/823:25
SEA
-
CPH
1 stop21h 55m
Icelandair
Deal found 18/5£468
Sat 12/908:50
CPH
-
SEA
2 stops18h 59m
Multiple Airlines
Thu 17/913:24
SEA
-
CPH
2 stops17h 51m
Multiple Airlines
Deal found 19/5£494
Wed 3/614:45
CPH
-
SEA
2 stops18h 25m
Delta
Sun 7/618:50
SEA
-
CPH
1 stop13h 15m
Delta
Deal found 20/5£495
Tue 16/606:00
CPH
-
SEA
1 stop19h 24m
Delta
Tue 23/622:05
SEA
-
CPH
1 stop14h 30m
Delta
Deal found 21/5£503
Wed 17/606:00
CPH
-
SEA
1 stop14h 37m
Delta
Wed 24/618:50
SEA
-
CPH
1 stop13h 15m
Delta
Deal found 21/5£507
Fri 5/606:00
CPH
-
SEA
1 stop14h 37m
Delta
Fri 19/613:55
SEA
-
CPH
1 stop19h 20m
Delta
Deal found 18/5£512
Fri 2/1013:05
CPH
-
SEA
Nonstop9h 40m
Scandinavian Airlines
Sun 4/1015:55
SEA
-
CPH
Nonstop9h 15m
Scandinavian Airlines
Deal found 19/5£515
Fri 14/815:20
CPH
-
SEA
1 stop16h 39m
British Airways
Fri 28/815:47
SEA
-
CPH
2 stops18h 08m
British Airways
Deal found 18/5£522
Fri 5/608:50
CPH
-
SEA
1 stop16h 10m
Finnair
Fri 19/613:30
SEA
-
CPH
2 stops20h 35m
Finnair
Deal found 17/5£536

Find flight deals from Copenhagen to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Copenhagen (CPH) to Seattle (SEA). 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 22 May 2026.

Round-trip from

£468

One-way from

£290

Popular in

July

Cheapest in

November

Average price

£492

Good round-trip deal

£751 or less
Icelandair
  • Icelandair
  • 14/8-28/8
  • 2 total stops
  • 35h 20m total
  • Copenhagen to Seattle
Search Deals
British Airways
  • British Airways
  • 19/9
  • 1 total stop
  • 16h 10m total
  • Copenhagen to Seattle
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£79 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Kastrup Copenhagen to Seattle/Tacoma Intl.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Copenhagen 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 858,174 searches. Data last updated 22 May 2026.
Use the filters below to find and compare flights from Copenhagen to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Wed 3/6

14:45-00:10

2 stops18h 25m

Seattle/Tacoma Intl

Sun 7/6

18:50-17:05

1 stop13h 15m

£495

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Tue 16/6

06:00-16:24

1 stop19h 24m

Seattle/Tacoma Intl

Tue 23/6

22:05-21:35

1 stop14h 30m

£503

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Fri 5/6

06:00-16:24

1 stop19h 24m

Seattle/Tacoma Intl

Fri 19/6

13:55-18:15

1 stop19h 20m

£512
Fastest return journey

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Fri 2/10

13:05-13:45

Nonstop9h 40m

Seattle/Tacoma Intl

Sun 4/10

15:55-10:10

Nonstop9h 15m

£515

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Fri 5/6

08:50-16:00

1 stop16h 10m

Seattle/Tacoma Intl

Fri 19/6

13:30-19:05

2 stops20h 35m

£536

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Fri 19/6

06:00-16:59

1 stop19h 59m

Seattle/Tacoma Intl

Wed 8/7

08:00-10:50

1 stop17h 50m

£553

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Wed 24/6

12:15-01:13

2 stops21h 58m

Seattle/Tacoma Intl

Wed 1/7

17:15-08:55

2 stops30h 40m

£553

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Sat 27/6

12:45-21:07

1 stop17h 22m

Seattle/Tacoma Intl

Tue 7/7

10:52-17:20

2 stops21h 28m

£593

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Mon 29/6

12:35-21:07

1 stop17h 32m

Seattle/Tacoma Intl

Tue 7/7

07:00-17:20

2 stops25h 20m

£593
Cheapest one-way

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Tue 15/9

07:40-18:49

2 stops20h 09m

£295

Flights are sorted by cheapest return flights first.

Deals found on 18/5

Showing 1-10 of 18 resultsSorted by cheapest first
1
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Best time to book a flight from Copenhagen to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Copenhagen with our price prediction graph.
Estimated return 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 Copenhagen to Seattle

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

The price you pay for your flight from Copenhagen to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 63 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 Copenhagen to Seattle?

Currently, November is the cheapest month in which you can book a flight from Copenhagen to Seattle (average of £403). Flying from Copenhagen to Seattle in July is currently the most expensive (average of £693). 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.

How much does it cost for a return flight from Copenhagen to Seattle?

Related info for your journey

Find useful and relevant information for your journey from Copenhagen to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Copenhagen to Seattle flight route?

    The Kastrup Copenhagen to Seattle/Tacoma Intl flight path was viewed by 1 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 Copenhagen to Seattle?

    For as low as £515, Delta can have you in Seattle from Copenhagen in 9h 40m. Airlines will cover a distance of 4850 mi. This flight may include one or multiple stops.

  • What are the cheapest flights from Copenhagen to Seattle?

    The cheapest flight price from Copenhagen to Seattle is £732. On average you can expect to pay £777. The most popular route, (Kastrup Copenhagen - Seattle/Tacoma Intl), can usually be booked for £731.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Copenhagen to Seattle (average of £403). Flying from Copenhagen to Seattle in July is currently the most expensive (average of £693). 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

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Federal Way
SeaTac

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Can Cheapflights find flights from Copenhagen to Seattle with no change fees?

Need flexible booking options for your flight to Seattle from Copenhagen? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Copenhagen to Seattle become cheaper?

Yes! Start tracking prices for Copenhagen to Seattle flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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