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Cheap flights from Copenhagen to Seattle from £417

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/9. Fares are subject to change and may not be available on all flights or dates of travel.
CPH — SEA
26 Feb — 5 Mar1
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 February 2025.

Round-trip from

£421

Popular in

July

Cheapest in

February

Average price

£364
United Airlines
  • United Airlines
  • 28/3-3/4
  • 3 total stops
  • 58h 40m total
  • Copenhagen to Seattle
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£77 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 February 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 21 February 2025.

Wed 17/906:10CPH - SEA
2 stops22h 21mUnited Airlines
Sun 28/907:20SEA - CPH
1 stop14h 50mUnited Airlines
Deal found 20/2£417
Sun 14/916:45CPH - SEA
1 stop12h 55mIcelandair
Wed 1/1019:00SEA - CPH
1 stop17h 45mIcelandair
Deal found 20/2£417
Fri 19/912:20CPH - SEA
2 stops20h 48mLufthansa
Sun 28/918:50SEA - CPH
1 stop12h 30mLufthansa
Deal found 20/2£442
Sat 20/919:45CPH - SEA
1 stop24h 45mBritish Airways
Sat 27/906:26SEA - CPH
2 stops24h 09mBritish Airways
Deal found 20/2£456
Tue 16/909:00CPH - SEA
2 stops22h 22mDelta
Wed 24/900:40SEA - CPH
1 stop24h 25mDelta
Deal found 20/2£509
Wed 17/912:25CPH - SEA
1 stop18h 15mMultiple Airlines
Sun 28/916:20SEA - CPH
Nonstop9h 40mMultiple Airlines
Deal found 20/2£703
Sat 19/713:05CPH - SEA
Nonstop9h 45mScandinavian Airlines
Sat 9/816:00SEA - CPH
Nonstop9h 30mScandinavian Airlines
Deal found 21/2£810
Sat 8/310:00CPH - SEA
3 stops33h 19mTAP AIR PORTUGAL
Mon 24/323:48SEA - CPH
2 stops28h 02mTAP AIR PORTUGAL
Deal found 21/2£1,189

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 February 2025.

Fly from

Copenhagen

Fly to

Seattle

Route

Depart

Return

Price

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Fri 28/3

11:15-18:45

2 stops39h 30m

Seattle/Tacoma Intl

Thu 3/4

14:15-18:25

1 stop19h 10m

£421

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Sat 8/3

09:00-18:45

2 stops18h 45m

Seattle/Tacoma Intl

Mon 24/3

15:00-17:30

2 stops18h 30m

£459

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Fri 4/7

07:25-11:35

1 stop13h 10m

Seattle/Tacoma Intl

Tue 16/12

13:44-21:40

2 stops22h 56m

£587

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Wed 9/7

07:20-17:50

1 stop19h 30m

Seattle/Tacoma Intl

Tue 16/12

14:35-11:45

1 stop12h 10m

£597

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Sat 19/7

13:05-13:50

Nonstop9h 45m

Seattle/Tacoma Intl

Sat 9/8

16:00-10:30

Nonstop9h 30m

£810

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Sat 8/3

10:00-10:19

3 stops33h 19m

Seattle/Tacoma Intl

Mon 24/3

23:48-11:50

2 stops28h 02m

£1,189

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Sun 13/7

06:00-15:45

1 stop18h 45m

£679

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Mon 14/7

06:00-15:45

2 stops18h 45m

£708

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Fri 11/7

12:20-17:50

3 stops38h 30m

£1,073

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Mon 4/8

19:25-15:38

4 stops53h 13m

£1,415

Flights are sorted by cheapest return flights first.

Deals found on 21/2

Showing 1-10 of 11 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 14 February 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 February 2025.

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.

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 February 2025.
Delta
8.0
Very Good
8,213 reviews
Check prices

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

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
8,213 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

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

KLM
7.8
Good
1,331 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

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
8,759 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

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
1,325 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

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

Ethiopian Air
7.2
Good
775 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

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 United Airlines. Our recent data shows that you can find tickets from as low as £421 on this airline. Additional options worth looking into are Lufthansa and British Airways, starting at £459 and £587 round-trip. United Airlines is 9% 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 KLM, which is currently one of the cheapest options available, starting at £679. Delta flights start at £708 while deals on United Airlines start at £1,073 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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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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