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$384+ 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
CPH — SEA
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Find cheap flights from Copenhagen to Seattle with Cheapflights

1. Tell us where you want to go
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The best prices from Kastrup Copenhagen to Seattle/Tacoma Intl are usually found in February or January, booked 49 days in advance, depart on a Wednesday or Monday 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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$443
(Ticket)

One-way from

$384
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$459

Good round-trip deal

$909 or less

Good one-way deal

$789 or less
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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Highest demand for flights based on searches. 17% potential increase in price ($122 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Kastrup Copenhagen to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Kastrup Copenhagen to Seattle/Tacoma Intl.
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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 February 20, 2025.

This Ticket deal was found by Cheapflights users on 2/20. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/86:10 amCPH - SEA
1 stop14h 10mBritish Airways
Mon 3/247:50 pmSEA - CPH
1 stop34h 30mBritish Airways
Deal found 2/20$443
This Expedia deal was found by Cheapflights users on 2/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/86:10 amCPH - SEA
1 stop14h 10mMultiple Airlines
Mon 3/247:50 pmSEA - CPH
1 stop13h 35mMultiple Airlines
Deal found 2/20$470
This Ticket deal was found by Cheapflights users on 2/20. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/172:00 pmCPH - SEA
1 stop15h 40mIcelandair
Sun 9/287:00 pmSEA - CPH
1 stop17h 45mIcelandair
Deal found 2/20$486
This ResecentrumGruppen deal was found by Cheapflights users on 2/20. 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 ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2111:15 amCPH - SEA
1 stop18h 15mAir Canada
Thu 3/276:05 amSEA - CPH
1 stop19h 00mAir Canada
Deal found 2/20$495
This Ovago deal was found by Cheapflights users on 2/20. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/276:05 amCPH - SEA
2 stops19h 50mFinnair
Sun 4/278:20 pmSEA - CPH
1 stop29h 30mFinnair
Deal found 2/20$501
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Sun 9/1412:20 pmCPH - SEA
1 stop16h 11mUnited Airlines
Sat 9/275:00 pmSEA - CPH
2 stops29h 10mUnited Airlines
Deal found 2/20$531
This American Airlines deal was found by Cheapflights users on 2/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/141:30 pmCPH - SEA
1 stop13h 50mAmerican Airlines
Wed 10/16:26 amSEA - CPH
2 stops21h 39mAmerican Airlines
Deal found 2/20$542
This Lufthansa deal was found by Cheapflights users on 2/20. 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.
Fri 9/1912:20 pmCPH - SEA
2 stops20h 48mLufthansa
Sun 9/286:50 pmSEA - CPH
1 stop12h 30mLufthansa
Deal found 2/20$558
This Delta deal was found by Cheapflights users on 2/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/169:00 amCPH - SEA
2 stops22h 22mDelta
Wed 9/2412:40 amSEA - CPH
1 stop24h 25mDelta
Deal found 2/20$643
This Cheapflightsfares deal was found by Cheapflights users on 2/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/232:20 pmCPH - SEA
1 stop17h 05mScandinavian Airlines
Fri 6/64:00 pmSEA - CPH
Nonstop9h 30mScandinavian Airlines
Deal found 2/20$727
This TAP AIR PORTUGAL deal was found by Cheapflights users on 2/20. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/810:00 amCPH - SEA
3 stops33h 19mTAP AIR PORTUGAL
Mon 3/2411:48 pmSEA - CPH
2 stops28h 02mTAP AIR PORTUGAL
Deal found 2/20$1,939

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 February 20, 2025.

Fly from

Copenhagen

Fly to

Seattle

Route

Depart

Return

Price

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Sat 3/8

6:10 am-11:20 am

1 stop14h 10m

Seattle/Tacoma Intl

Mon 3/24

7:50 pm-2:20 pm

1 stop34h 30m

$443

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Sat 3/8

6:10 am-11:20 am

1 stop14h 10m

Seattle/Tacoma Intl

Mon 3/24

7:50 pm-5:25 pm

1 stop13h 35m

$470

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Fri 3/21

11:15 am-9:30 pm

1 stop18h 15m

Seattle/Tacoma Intl

Thu 3/27

6:05 am-9:05 am

1 stop19h 00m

$495

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Thu 3/27

6:05 am-5:55 pm

2 stops19h 50m

Seattle/Tacoma Intl

Sun 4/27

8:20 pm-10:50 am

1 stop29h 30m

$501

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Fri 5/23

2:00 pm-8:40 pm

1 stop15h 40m

Seattle/Tacoma Intl

Fri 6/6

7:00 pm-9:45 pm

1 stop17h 45m

$518

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Fri 3/28

11:15 am-6:45 pm

2 stops39h 30m

Seattle/Tacoma Intl

Thu 4/3

2:15 pm-6:25 pm

1 stop19h 10m

$531

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Fri 3/21

6:50 am-1:10 pm

1 stop14h 20m

Seattle/Tacoma Intl

Thu 3/27

3:00 pm-1:30 pm

1 stop14h 30m

$533

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Fri 5/23

2:20 pm-10:25 pm

1 stop17h 05m

Seattle/Tacoma Intl

Fri 6/6

4:00 pm-10:30 am

Nonstop9h 30m

$727

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Fri 3/21

2:55 pm-12:20 pm

1 stop29h 25m

Seattle/Tacoma Intl

Wed 3/26

12:59 am-11:15 am

2 stops26h 16m

$756

CopenhagenSeattle

CPH - SEA

CPHSEA

Kastrup Copenhagen

Sat 3/8

10:00 am-10:19 am

3 stops33h 19m

Seattle/Tacoma Intl

Mon 3/24

11:48 pm-11:50 am

2 stops28h 02m

$1,939

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 19 results
1
2

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 February.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*1 star
FlightHubPrice 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 February 14, 2025.

Booking 49 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 February 20, 2025.

It’s typically best to fly out from Copenhagen to Seattle in the evening. Doing so could potentially save you 39% 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. Sunday 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 February 20, 2025.
Finnair
7.6
Good
1,274 reviews

Crew

8.1

Overall

7.6

Boarding

7.7

Entertainment

6.9

Food

6.7

Comfort

7.4

Reviews

1 / 20

4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Finnair
7.6
Good
1,274 reviews
Finnair
7.6
Good
1,274 reviews

Crew

8.1

Overall

7.6

Boarding

7.7

Entertainment

6.9

Food

6.7

Comfort

7.4

Reviews

1 / 20

4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

United Airlines
7.4
Good
8,765 reviews
Finnair
7.6
Good
1,274 reviews

Crew

8.1

Overall

7.6

Boarding

7.7

Entertainment

6.9

Food

6.7

Comfort

7.4

Reviews

1 / 20

4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Scandinavian Airlines
7.3
Good
1,325 reviews
Finnair
7.6
Good
1,274 reviews

Crew

8.1

Overall

7.6

Boarding

7.7

Entertainment

6.9

Food

6.7

Comfort

7.4

Reviews

1 / 20

4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

American Airlines
7.2
Good
10,000 reviews
Finnair
7.6
Good
1,274 reviews

Crew

8.1

Overall

7.6

Boarding

7.7

Entertainment

6.9

Food

6.7

Comfort

7.4

Reviews

1 / 20

4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Ethiopian Air
7.2
Good
775 reviews
Finnair
7.6
Good
1,274 reviews

Crew

8.1

Overall

7.6

Boarding

7.7

Entertainment

6.9

Food

6.7

Comfort

7.4

Reviews

1 / 20

4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

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, British Airways ($443), Air Canada ($495), and Finnair ($501) offers the cheapest pricing from Copenhagen to Seattle. You may be able to fly from Copenhagen to Seattle for 24% 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 $500. Users have also found prices from $523 and $527 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 $967, our data shows the cheapest flight currently is $704. When looking at the most popular route, (Kastrup Copenhagen - Seattle/Tacoma Intl), you can expect to pay $431 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

Traveling to a place near Copenhagen?

Book flights to Copenhagen if you plan to visit one of these locations
SeaTac
Tukwila
Renton
Tacoma
Lacey
Ocean Shores
Leavenworth
Olympia
Federal Way
Centralia
Marysville
Cle Elum
Mukilteo
Aberdeen
Lakewood
Issaquah
Shoreline
Lynnwood
Shelton
Silverdale

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 9 airlines flying from Copenhagen to Seattle

Discover the top 9 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$423Average$641FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$426Average$535FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$426Average$581FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$456Average$603FlexibilityNo cancel feeOn-time71%
KLMCheapest$468Average$552FlexibilityNo cancel feeOn-time75%
DeltaCheapest$472Average$632FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$483Average$679FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$499Average$611FlexibilityNo cancel feeOn-time69%
Scandinavian AirlinesCheapest$594Average$909FlexibilityNo cancel feeOn-time77%
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