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Cheap flights from Copenhagen to Seattle from £280

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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
CPH — SEA
3 May — 10 May1
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 3 April 2026.

Tue 1/915:20
CPH
-
SEA
1 stop16h 38m
British Airways
Sun 13/913:24
SEA
-
CPH
2 stops22h 26m
British Airways
Deal found 30/3£414
Fri 2/1016:55
CPH
-
SEA
1 stop12h 45m
Icelandair
Tue 6/1019:00
SEA
-
CPH
1 stop11h 55m
Icelandair
Deal found 30/3£417
Tue 1/915:20
CPH
-
SEA
1 stop16h 38m
British Airways
Thu 10/914:05
SEA
-
CPH
2 stops21h 25m
British Airways
Deal found 30/3£418
Thu 10/907:05
CPH
-
SEA
1 stop20h 20m
British Airways
Sun 27/920:20
SEA
-
CPH
1 stop28h 35m
British Airways
Deal found 29/3£420
Tue 1/908:50
CPH
-
SEA
2 stops19h 59m
British Airways
Sat 5/917:40
SEA
-
CPH
1 stop13h 35m
British Airways
Deal found 1/4£423
Sat 5/919:50
CPH
-
SEA
2 stops33h 12m
British Airways
Sun 13/920:20
SEA
-
CPH
1 stop15h 30m
British Airways
Deal found 30/3£424
Sun 8/1119:20
CPH
-
SEA
2 stops30h 35m
Multiple Airlines
Sun 15/1118:50
SEA
-
CPH
1 stop15h 40m
Multiple Airlines
Deal found 30/3£425
Wed 2/910:20
CPH
-
SEA
2 stops18h 42m
British Airways
Thu 10/915:42
SEA
-
CPH
2 stops19h 48m
British Airways
Deal found 30/3£427
Sat 29/807:20
CPH
-
SEA
1 stop13h 25m
Icelandair
Wed 9/923:25
SEA
-
CPH
1 stop21h 55m
Icelandair
Deal found 1/4£428
Mon 31/822:35
CPH
-
SEA
1 stop22h 10m
Icelandair
Wed 9/923:25
SEA
-
CPH
1 stop21h 55m
Icelandair
Deal found 30/3£429

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 3 April 2026.

Round-trip from

£414

One-way from

£280

Popular in

July

Cheapest in

November

Average price

£519
British Airways
  • British Airways
  • 1/9-13/9
  • 3 total stops
  • 39h 04m total
  • Copenhagen to Seattle
Search Deals
British Airways
  • British Airways
  • 2/6
  • 1 total stop
  • 16h 10m total
  • Copenhagen to Seattle
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£69 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
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 3 April 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

Thu 7/5

16:55-20:40

1 stop12h 45m

Seattle/Tacoma Intl

Mon 11/5

19:00-15:55

1 stop11h 55m

£464

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Sun 17/5

06:00-16:37

2 stops19h 37m

Seattle/Tacoma Intl

Sun 24/5

17:40-15:45

1 stop13h 05m

£516

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Thu 18/6

07:05-11:35

1 stop13h 30m

Seattle/Tacoma Intl

Wed 1/7

20:20-23:20

1 stop18h 00m

£554

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Thu 18/6

06:00-21:59

2 stops24h 59m

Seattle/Tacoma Intl

Thu 25/6

23:00-08:55

2 stops24h 55m

£562

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Fri 3/7

21:15-11:35

1 stop23h 20m

Seattle/Tacoma Intl

Fri 24/7

13:30-23:25

1 stop24h 55m

£717
Fastest return journey

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Sun 24/5

13:05-13:45

Nonstop9h 40m

Seattle/Tacoma Intl

Sat 6/6

15:55-10:10

Nonstop9h 15m

£1,164

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Mon 24/8

17:00-23:50

2 stops39h 50m

Seattle/Tacoma Intl

Wed 23/9

20:20-15:25

1 stop34h 05m

£1,201

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Fri 21/8

07:25-16:00

2 stops17h 35m

Seattle/Tacoma Intl

Tue 22/9

13:10-23:10

2 stops25h 00m

£1,201

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Thu 14/5

08:50-21:22

2 stops21h 32m

Seattle/Tacoma Intl

Mon 18/5

14:25-23:15

2 stops23h 50m

£1,222

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Mon 25/5

19:25-19:09

2 stops32h 44m

Seattle/Tacoma Intl

Sun 7/6

20:20-08:05

2 stops26h 45m

£1,230

Flights are sorted by cheapest return flights first.

Deals found on 31/3

Showing 1-10 of 20 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?

Use this chart to determine the optimal time to book a return flight from Copenhagen to Seattle. Price data was last updated on 2 April 2026.

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 66 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, September is the cheapest month in which you can book a flight from Copenhagen to Seattle (average of £342). Flying from Copenhagen to Seattle in July is currently the most expensive (average of £472). 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 £464, Icelandair can have you in Seattle from Copenhagen in 12h 45m. Airlines will cover a distance of 4850 mi. This flight may include one or multiple stops.

  • 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, September is the cheapest month in which you can book a flight from Copenhagen to Seattle (average of £342). Flying from Copenhagen to Seattle in July is currently the most expensive (average of £472). 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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By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Seattle from Copenhagen.

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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