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Cheap flights from Copenhagen to Seattle from £292

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 26/8. Fares are subject to change and may not be available on all flights or dates of travel.
CPH — SEA
3 Aug — 10 Aug1
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 4 July 2026.

Wed 5/806:20
CPH
-
SEA
1 stop14h 35m
United Airlines
Sat 15/807:00
SEA
-
CPH
2 stops17h 15m
United Airlines
Deal found 29/6£572
Wed 5/806:20
CPH
-
SEA
1 stop14h 35m
United Airlines
Mon 17/808:00
SEA
-
CPH
1 stop17h 50m
United Airlines
Deal found 29/6£573
Wed 5/806:20
CPH
-
SEA
2 stops17h 02m
United Airlines
Tue 18/807:30
SEA
-
CPH
2 stops21h 25m
United Airlines
Deal found 29/6£574
Tue 4/810:10
CPH
-
SEA
2 stops17h 56m
United Airlines
Sat 15/807:00
SEA
-
CPH
2 stops17h 15m
United Airlines
Deal found 29/6£576
Sun 16/806:20
CPH
-
SEA
1 stop14h 35m
Lufthansa
Fri 21/818:50
SEA
-
CPH
1 stop14h 50m
Lufthansa
Deal found 2/7£577
Fri 21/809:00
CPH
-
SEA
2 stops23h 57m
Virgin Atlantic
Fri 4/922:40
SEA
-
CPH
1 stop23h 05m
Virgin Atlantic
Deal found 30/6£580
Sun 9/812:45
CPH
-
SEA
1 stop17h 22m
United Airlines
Fri 14/818:50
SEA
-
CPH
1 stop19h 40m
United Airlines
Deal found 29/6£582
Sun 9/812:45
CPH
-
SEA
1 stop17h 22m
United Airlines
Mon 17/807:00
SEA
-
CPH
2 stops17h 30m
United Airlines
Deal found 29/6£584
Sun 9/812:45
CPH
-
SEA
1 stop17h 22m
United Airlines
Tue 18/807:30
SEA
-
CPH
2 stops26h 05m
United Airlines
Deal found 29/6£585
Tue 28/712:45
CPH
-
SEA
2 stops28h 11m
United Airlines
Tue 4/814:33
SEA
-
CPH
2 stops23h 57m
United Airlines
Deal found 29/6£588

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 4 July 2026.

Round-trip from

£572

One-way from

£292

Popular in

July

Cheapest in

November

Average price

£709

Good round-trip deal

£755 or less
United Airlines
  • United Airlines
  • 5/8-15/8
  • 3 total stops
  • 31h 50m total
  • Copenhagen to Seattle
Search Deals
British Airways
  • British Airways
  • 26/8
  • 1 total stop
  • 16h 36m total
  • Copenhagen to Seattle
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£87 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 4 July 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 5/8

06:20-11:55

1 stop14h 35m

Seattle/Tacoma Intl

Sat 15/8

07:00-09:15

2 stops17h 15m

£572

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Wed 5/8

06:20-14:22

2 stops17h 02m

Seattle/Tacoma Intl

Tue 18/8

07:30-13:55

2 stops21h 25m

£574

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Thu 30/7

09:00-20:28

1 stop20h 28m

Seattle/Tacoma Intl

Thu 6/8

18:40-18:45

1 stop15h 05m

£599

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Wed 29/7

08:40-16:59

1 stop17h 19m

Seattle/Tacoma Intl

Wed 23/6

18:50-16:25

1 stop12h 35m

£638

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Sun 2/8

07:20-11:45

1 stop13h 25m

Seattle/Tacoma Intl

Sun 20/6

23:25-06:20

1 stop21h 55m

£723

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Fri 21/8

08:50-18:47

2 stops18h 57m

Seattle/Tacoma Intl

Fri 4/9

13:24-18:40

2 stops20h 16m

£727

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Tue 21/7

06:20-17:59

2 stops20h 39m

Seattle/Tacoma Intl

Tue 21/7

23:11-11:35

2 stops27h 24m

£743

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Fri 25/9

15:00-20:10

1 stop14h 10m

Seattle/Tacoma Intl

Sun 27/9

15:55-10:10

Nonstop9h 15m

£784
Fastest return journey

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Tue 18/8

13:05-13:45

Nonstop9h 40m

Seattle/Tacoma Intl

Sun 30/8

15:55-10:10

Nonstop9h 15m

£912

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Wed 29/7

12:45-23:17

1 stop19h 32m

Seattle/Tacoma Intl

Fri 25/6

15:55-10:10

Nonstop9h 15m

£939

Flights are sorted by cheapest return flights first.

Deals found on 28/6

Showing 1-10 of 21 resultsSorted by cheapest first
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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 84 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 £406). Flying from Copenhagen to Seattle in July is currently the most expensive (average of £709). 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 CPH to SEA?

Find hourly flight availability from Copenhagen 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 4 July 2026.

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

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 £572, United Airlines can have you in Seattle from Copenhagen in 14h 35m. Airlines will cover a distance of 4850 mi. This flight may include one or multiple stops.

  • What are the most reliable airlines from Copenhagen to Seattle?

    The top 3 most reliable airlines when flying from Copenhagen to Seattle are Air France (79%), Scandinavian Airlines (79%) and Delta (79%).

  • What are the cheapest flights from Copenhagen to Seattle?

    The cheapest flight price from Copenhagen to Seattle is £736. On average you can expect to pay £781. The most popular route, (Kastrup Copenhagen - Seattle/Tacoma Intl), can usually be booked for £457.

  • 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 £406). Flying from Copenhagen to Seattle in July is currently the most expensive (average of £709). 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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Cheapflights makes it easy to find Copenhagen to Seattle flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Copenhagen to Seattle?

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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