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Cheap flights from Copenhagen to Seattle from £382

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/5. Fares are subject to change and may not be available on all flights or dates of travel.
CPH — SEA
5 Apr — 12 Apr1
1 adult

Cheap 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 31 March 2025.

Round-trip from

£382

Popular in

July

Cheapest in

February

Average price

£446
Delta
  • Delta
  • 21/5-25/5
  • 4 total stops
  • 38h 11m total
  • Copenhagen to Seattle
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£81 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

Find flight deals from Copenhagen to Seattle

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 31 March 2025.

Wed 21/511:50CPH - SEA
2 stops19h 31mDelta
Sun 25/507:25SEA - CPH
2 stops18h 40mDelta
Deal found 31/3£382
Wed 6/816:15CPH - SEA
1 stop28h 20mBritish Airways
Wed 20/815:13SEA - CPH
2 stops23h 17mBritish Airways
Deal found 30/3£388
Wed 21/506:10CPH - SEA
2 stops22h 27mUnited Airlines
Sun 25/517:14SEA - CPH
3 stops32h 36mUnited Airlines
Deal found 31/3£424
Fri 23/506:05CPH - SEA
2 stops15h 20mLufthansa
Fri 6/614:15SEA - CPH
1 stop19h 10mLufthansa
Deal found 31/3£460
Wed 6/819:25CPH - SEA
1 stop29h 35mFinnair
Thu 21/817:40SEA - CPH
1 stop33h 00mFinnair
Deal found 30/3£525
Mon 4/806:40CPH - SEA
1 stop17h 15mSWISS
Wed 20/815:19SEA - CPH
2 stops23h 06mSWISS
Deal found 30/3£525
Fri 23/521:00CPH - SEA
2 stops34h 43mScandinavian Airlines
Fri 6/616:00SEA - CPH
Nonstop9h 30mScandinavian Airlines
Deal found 30/3£531
Mon 4/807:20CPH - SEA
1 stop13h 05mIcelandair
Thu 21/819:00SEA - CPH
1 stop11h 45mIcelandair
Deal found 30/3£606
Wed 21/519:25CPH - SEA
4 stops58h 16mEthiopian Air
Sun 25/522:15SEA - CPH
4 stops49h 25mEthiopian Air
Deal found 31/3£2,077

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 31 March 2025.
Use the filters below to find and compare flights from Copenhagen to Seattle that are best for you.

Fly from

Copenhagen

Fly to

Seattle

Route

Depart

Return

Price

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Wed 21/5

11:50-22:21

2 stops19h 31m

Seattle/Tacoma Intl

Sun 25/5

07:25-11:05

2 stops18h 40m

£382

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Wed 6/8

16:15-11:35

1 stop28h 20m

Seattle/Tacoma Intl

Wed 20/8

15:13-23:30

2 stops23h 17m

£388

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Wed 21/5

06:10-19:37

2 stops22h 27m

Seattle/Tacoma Intl

Sun 25/5

17:14-10:50

3 stops32h 36m

£424

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Fri 23/5

06:05-12:25

2 stops15h 20m

Seattle/Tacoma Intl

Fri 6/6

14:15-18:25

1 stop19h 10m

£460

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Wed 6/8

19:25-16:00

1 stop29h 35m

Seattle/Tacoma Intl

Thu 21/8

17:40-11:40

1 stop33h 00m

£525

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Mon 4/8

06:40-14:55

1 stop17h 15m

Seattle/Tacoma Intl

Wed 20/8

15:19-23:25

2 stops23h 06m

£525

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Fri 23/5

21:00-22:43

2 stops34h 43m

Seattle/Tacoma Intl

Fri 6/6

16:00-10:30

Nonstop9h 30m

£531

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Mon 4/8

07:20-11:25

1 stop13h 05m

Seattle/Tacoma Intl

Thu 21/8

19:00-15:45

1 stop11h 45m

£606

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Wed 21/5

19:25-20:41

4 stops58h 16m

Seattle/Tacoma Intl

Sun 25/5

22:15-08:40

4 stops49h 25m

£2,077

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Mon 18/8

12:25-12:32

3 stops33h 07m

£1,085

Flights are sorted by cheapest return flights first.

Deals found on 31/3

Showing 1-10 of 12 results
1
2

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 28 March 2025.

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 49 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, January is the cheapest month in which you can book a flight from Copenhagen to Seattle (average of £622). Flying from Copenhagen to Seattle in July is currently the most expensive (average of £946). 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.

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 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

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 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

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 31 March 2025.
Delta
8.0
Very Good
7,899 reviews
Check prices

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,899 reviews
Delta
8.0
Very Good
7,899 reviews
Check prices

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very Good
7,899 reviews
Check prices

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,570 reviews
Delta
8.0
Very Good
7,899 reviews
Check prices

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,614 reviews
Delta
8.0
Very Good
7,899 reviews
Check prices

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Scandinavian Airlines
7.3
Good
1,326 reviews
Delta
8.0
Very Good
7,899 reviews
Check prices

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

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

    Our cheapest airline available from Copenhagen to Seattle is Delta. Our recent data shows that you can find tickets from as low as £382 on this airline. Additional options worth looking into are British Airways and United Airlines, starting at £388 and £424 round-trip. Delta is 16% cheaper than the average price of flights available within the next 90 days to this destination.

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

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at £1,085. Ethiopian Air flights start at £1,303 while deals on Scandinavian Airlines start at £2,156 one-way.

  • 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, January is the cheapest month in which you can book a flight from Copenhagen to Seattle (average of £622). Flying from Copenhagen to Seattle in July is currently the most expensive (average of £946). 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 Copenhagen?

Book flights to Copenhagen if you plan to visit one of these locations
Tacoma
Leavenworth
Bothell

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Copenhagen to Seattle

Discover the top airline that operate flights from Copenhagen 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 858,174 searches. Data last updated 31 March 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£379Average£546FlexibilityNo cancel feeOn-time76%
Search Icelandair flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Copenhagen to Seattle?

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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