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$345+ Cheap flights from Copenhagen (CPH) to Seattle (SEA)

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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
CPH — SEA
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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The best prices from Kastrup Copenhagen to Seattle/Tacoma Intl are usually found in January or February, booked 68 days in advance, depart on a Monday or Thursday and return on a Tuesday

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 December 18, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$460
(Travelis)

One-way from

$345
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$657
Provider with most accurate pricing for Kastrup Copenhagen-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Kastrup Copenhagen-Seattle/Tacoma Intl flights.
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From Kastrup Copenhagen to Seattle/Tacoma Intl
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One-way flight from Kastrup Copenhagen to Seattle/Tacoma Intl
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High demand for flights, 14% 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 December 2024
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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 December 18, 2024.

This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/316:55 amCPH - SEA
2 stops37h 37mUnited Airlines
Tue 1/75:00 amSEA - CPH
2 stops20h 05mUnited Airlines
Deal found 12/17$1,443
This Lufthansa deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/319:00 amCPH - SEA
1 stop13h 20mMultiple Airlines
Tue 1/76:05 amSEA - CPH
1 stop19h 00mMultiple Airlines
Deal found 12/17$1,954
This oojo deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3112:55 pmCPH - SEA
1 stop13h 05mIcelandair
Tue 1/72:35 pmSEA - CPH
1 stop12h 10mIcelandair
Deal found 12/17$2,832
This oojo deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3110:50 amCPH - SEA
2 stops37h 35mTurkish Airlines
Tue 1/711:05 amSEA - CPH
2 stops37h 50mTurkish Airlines
Deal found 12/17$3,031

Find flights from Copenhagen to Seattle within your budget

Customize 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 2,558,603 searches. Data last updated December 18, 2024.

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Route

Depart

Return

Price

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Thu 1/16

6:10 pm-5:05 pm

1 stop31h 55m

Seattle/Tacoma Intl

Wed 1/29

7:00 pm-1:15 pm

1 stop33h 15m

$730

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Thu 1/16

9:15 am-5:00 pm

2 stops16h 45m

Seattle/Tacoma Intl

Wed 1/29

2:35 pm-9:40 pm

3 stops22h 05m

$836

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Tue 12/31

6:55 am-11:32 am

2 stops37h 37m

Seattle/Tacoma Intl

Tue 1/7

5:00 am-10:05 am

2 stops20h 05m

$1,443

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Tue 5/27

2:00 pm-8:35 pm

2 stops15h 35m

Seattle/Tacoma Intl

Wed 6/4

7:00 pm-3:45 pm

1 stop11h 45m

$2,590

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Sat 2/1

7:50 pm-8:31 pm

4 stops57h 41m

Seattle/Tacoma Intl

Sat 2/8

8:00 am-8:40 am

4 stops39h 40m

$2,859

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Thu 5/29

6:20 am-6:23 pm

2 stops21h 03m

Seattle/Tacoma Intl

Tue 6/3

1:30 pm-3:45 pm

2 stops17h 15m

$3,302

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Wed 5/28

1:05 pm-1:50 pm

Nonstop9h 45m

Seattle/Tacoma Intl

Mon 6/2

4:00 pm-10:30 am

Nonstop9h 30m

$3,386

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Fri 5/30

12:25 pm-12:58 pm

2 stops33h 33m

Seattle/Tacoma Intl

Sun 6/1

10:00 am-2:15 pm

2 stops19h 15m

$3,578

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Mon 5/26

1:55 pm-9:57 pm

3 stops41h 02m

Seattle/Tacoma Intl

Wed 6/4

8:05 am-10:10 am

3 stops41h 05m

$36,945

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Fri 1/31

8:30 pm-2:21 pm

2 stops50h 51m

$345

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 18 results
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Compare providers for flights from Copenhagen to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Copenhagen to Seattle in December.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*2 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Copenhagen-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Copenhagen-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Copenhagen-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Copenhagen-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Copenhagen-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 round-trip flight from Copenhagen to Seattle. Price data was last updated on December 13, 2024.

Booking 68 days in advance of your planned departure date is, on average, the best time to get cheap flights from Copenhagen to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 $238). Flying from Copenhagen to Seattle in July is currently the most expensive (average of $411). 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 December 18, 2024.

It’s typically best to fly out from Copenhagen to Seattle in the evening. Doing so could potentially save you 13% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Copenhagen to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Copenhagen to Seattle. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Copenhagen to Seattle flight should consider departing on Thursday afternoons when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 December 18, 2024.
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

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
8,604 reviews
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

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

KLM
7.8
Good
1,349 reviews
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

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

Finnair
7.7
Good
1,285 reviews
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

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

Cathay Pacific
7.5
Good
841 reviews
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

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
9,059 reviews
Delta
8.0
Very good
8,604 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

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.

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

    According to our current data, Finnair ($460), Lufthansa ($470), and British Airways ($472) offers the cheapest pricing from Copenhagen to Seattle. You may be able to fly from Copenhagen to Seattle for 20% less than the average price by searching for these airlines.

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

    For one-way options, check prices for Icelandair. According to our data, you can fly for as low as $363. Users have also found prices from $603 and $630 on Finnair and British Airways, respectively.

  • What are the cheapest flights from Copenhagen to Seattle?

    While on average a flight from Copenhagen to Seattle is generally $1,254, our data shows the cheapest flight currently is $481. When looking at the most popular route, (Kastrup Copenhagen - Seattle/Tacoma Intl), you can expect to pay $424 for that flight.

  • 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 vacation 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 $238). Flying from Copenhagen to Seattle in July is currently the most expensive (average of $411). 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

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Alternative routes for Copenhagen to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Copenhagen to Portland flights
Billund to Seattle flights

Top 8 airlines flying from Copenhagen to Seattle

Discover the top 8 airlines 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 2,558,603 searches. Data last updated December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$423Average$640FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$426Average$535FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$426Average$599FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$456Average$603FlexibilityNo cancel feeOn-time71%
KLMCheapest$469Average$600FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$483Average$724FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$499Average$601FlexibilityNo cancel feeOn-time69%
DeltaCheapest$502Average$632FlexibilityNo cancel feeOn-timeN/A
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