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Cheap flights from Copenhagen to Seattle from £360

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
CPH — SEA
26 Jan — 2 Feb1
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 21 January 2025.

Round-trip from

£360

Popular in

July

Cheapest in

February

Average price

£403
Finnair
  • Finnair
  • 18/3-25/3
  • 3 total stops
  • 33h 30m total
  • Copenhagen to Seattle
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High demand for flights, 16% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in January 2025
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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 21 January 2025.

Tue 18/308:40CPH - SEA
2 stops20h 30mFinnair
Tue 25/319:50SEA - CPH
1 stop13h 00mFinnair
Deal found 20/1£360
Thu 6/312:55CPH - SEA
1 stop13h 05mIcelandair
Thu 13/315:35SEA - CPH
1 stop12h 10mIcelandair
Deal found 20/1£363
Thu 20/219:45CPH - SEA
1 stop24h 35mMultiple Airlines
Fri 7/318:50SEA - CPH
1 stop15h 20mMultiple Airlines
Deal found 20/1£365
Mon 3/310:50CPH - SEA
2 stops21h 16mBritish Airways
Mon 17/313:25SEA - CPH
2 stops17h 25mBritish Airways
Deal found 21/1£381
Thu 6/315:15CPH - SEA
1 stop29h 05mAmerican Airlines
Thu 13/310:41SEA - CPH
2 stops17h 34mAmerican Airlines
Deal found 20/1£384
Thu 20/213:05CPH - SEA
2 stops41h 25mUnited Airlines
Wed 26/216:58SEA - CPH
3 stops36h 02mUnited Airlines
Deal found 19/1£394
Fri 23/506:00CPH - SEA
2 stops14h 55mLufthansa
Fri 6/614:20SEA - CPH
2 stops32h 45mLufthansa
Deal found 20/1£465
Thu 17/708:15CPH - SEA
1 stop20h 20mDelta
Fri 25/700:40SEA - CPH
1 stop24h 25mDelta
Deal found 20/1£768
Fri 18/713:05CPH - SEA
Nonstop9h 45mScandinavian Airlines
Sun 3/816:00SEA - CPH
Nonstop9h 30mScandinavian Airlines
Deal found 20/1£1,249

Find flights from Copenhagen to Seattle within your budget

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 21 January 2025.

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Fly to

Any airport

Route

Depart

Return

Price

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Tue 18/3

08:40-21:10

2 stops20h 30m

Seattle/Tacoma Intl

Tue 25/3

19:50-16:50

1 stop13h 00m

£360

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Thu 6/3

12:55-17:00

1 stop13h 05m

Seattle/Tacoma Intl

Thu 13/3

15:35-11:45

1 stop12h 10m

£363

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Thu 20/2

19:45-11:20

1 stop24h 35m

Seattle/Tacoma Intl

Fri 7/3

18:50-19:10

1 stop15h 20m

£365

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Mon 3/3

10:50-23:06

2 stops21h 16m

Seattle/Tacoma Intl

Mon 17/3

13:25-14:50

2 stops17h 25m

£381

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Thu 6/3

15:15-11:20

1 stop29h 05m

Seattle/Tacoma Intl

Thu 13/3

10:41-12:15

2 stops17h 34m

£384

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Thu 20/2

13:05-21:30

2 stops41h 25m

Seattle/Tacoma Intl

Wed 26/2

16:58-14:00

3 stops36h 02m

£394

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Fri 23/5

06:00-11:55

2 stops14h 55m

Seattle/Tacoma Intl

Fri 6/6

14:20-08:05

2 stops32h 45m

£465

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Thu 17/7

08:15-19:35

1 stop20h 20m

Seattle/Tacoma Intl

Fri 25/7

00:40-10:05

1 stop24h 25m

£768

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Fri 18/7

13:05-13:50

Nonstop9h 45m

Seattle/Tacoma Intl

Sun 3/8

16:00-10:30

Nonstop9h 30m

£1,249

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Sun 22/6

07:20-20:40

1 stop22h 20m

£611

Flights are sorted by cheapest return flights first.

Deals found on 20/1

Showing 1-10 of 14 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.

Travel insights for flights from Copenhagen to Seattle

Get recent, data-driven insights about flights from Copenhagen to Seattle including ideal travel times, pricing trends, and more.

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 17 January 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.

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 21 January 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 18% on flights from Copenhagen to Seattle by exploring options for tickets at midday.

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 21 January 2025.
Delta
8.0
Very Good
8,521 reviews
Check prices

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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

Delta
8.0
Very Good
8,521 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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

Finnair
7.6
Good
1,286 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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

United Airlines
7.4
Good
8,984 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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

Scandinavian Airlines
7.3
Good
1,320 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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 Finnair. Our recent data shows that you can find tickets from as low as £360 on this airline. Additional options worth looking into are Icelandair and British Airways, starting at £363 and £381 round-trip. Finnair is 24% 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 Icelandair, which is currently one of the cheapest options available, starting at £611. Delta flights start at £688 while deals on United Airlines start at £1,089 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

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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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