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$414+ Cheap flights from Cologne (CGN) 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
CGN — SEA
May 2 — May 91
Sat 5/2
Sat 5/9
1 adult, Economy
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1. Tell us where you want to go

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Cheap flight deals from Cologne to Seattle

Cheapest flights from Cologne to Seattle
Explore the most affordable flight options available from Cologne to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/128:30 am
CGN
-
SEA
1 stop17h 29m
Lufthansa
Sun 4/196:50 pm
SEA
-
CGN
1 stop13h 30m
Lufthansa
Deal found 4/1$703
This Expedia deal was found by Cheapflights users on 3/29. 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.
Fri 4/101:05 pm
CGN
-
SEA
1 stop12h 54m
Lufthansa
Fri 4/176:50 pm
SEA
-
CGN
1 stop13h 50m
Lufthansa
Deal found 3/29$705
This Expedia deal was found by Cheapflights users on 4/1. 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 5/167:35 pm
CGN
-
SEA
1 stop30h 24m
Lufthansa
Sat 5/237:40 am
SEA
-
CGN
2 stops26h 50m
Lufthansa
Deal found 4/1$721
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Fri 4/101:05 pm
CGN
-
SEA
1 stop12h 54m
United Airlines
Fri 4/176:50 pm
SEA
-
CGN
1 stop13h 50m
United Airlines
Deal found 3/31$728
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Fri 5/221:05 pm
CGN
-
SEA
1 stop12h 54m
United Airlines
Tue 6/26:50 pm
SEA
-
CGN
1 stop13h 30m
United Airlines
Deal found 3/30$730
This Booking.com deal was found by Cheapflights users on 4/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/128:30 am
CGN
-
SEA
1 stop17h 29m
Multiple Airlines
Sun 4/198:00 am
SEA
-
CGN
2 stops24h 05m
Multiple Airlines
Deal found 4/1$739
This United Airlines deal was found by Cheapflights users on 3/29. 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.
Fri 9/111:05 pm
CGN
-
SEA
1 stop12h 54m
United Airlines
Sat 9/266:50 pm
SEA
-
CGN
1 stop32h 35m
United Airlines
Deal found 3/29$757
This Expedia deal was found by Cheapflights users on 3/30. 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.
Fri 5/296:25 pm
CGN
-
SEA
2 stops26h 55m
Lufthansa
Sat 6/66:50 pm
SEA
-
CGN
1 stop15h 40m
Lufthansa
Deal found 3/30$762

Find flight deals from Cologne to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Cologne (CGN) 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 April 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$703
(Kiwi.com)

One-way from

$414
(Kiwi.com)
Provider with most accurate pricing for Cologne Köln/Bonn-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Cologne Köln/Bonn-Seattle/Tacoma Intl flights.
Search Deals
From Cologne Köln/Bonn to Seattle/Tacoma Intl
Search Deals
One-way flight from Cologne Köln/Bonn to Seattle/Tacoma Intl
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Cologne 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 April 2, 2026.
Use the filters below to find and compare flights from Cologne to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CologneSeattle

CGN - SEA

CGNSEA

Cologne Köln/Bonn

Sat 5/16

7:35 pm-4:59 pm

1 stop30h 24m

Seattle/Tacoma Intl

Sat 5/23

7:40 am-7:30 pm

2 stops26h 50m

$721
Quickest round-trip

CologneSeattle

CGN - SEA

CGNSEA

Cologne Köln/Bonn

Thu 9/10

1:05 pm-4:59 pm

1 stop12h 54m

Seattle/Tacoma Intl

Thu 9/24

6:50 pm-5:40 pm

1 stop13h 50m

$730

CologneSeattle

CGN - SEA

CGNSEA

Cologne Köln/Bonn

Fri 9/11

1:05 pm-4:59 pm

1 stop12h 54m

Seattle/Tacoma Intl

Sat 9/26

6:50 pm-12:25 pm

1 stop32h 35m

$757

CologneSeattle

CGN - SEA

CGNSEA

Cologne Köln/Bonn

Sun 4/12

8:30 am-9:53 pm

2 stops22h 23m

Seattle/Tacoma Intl

Sun 4/19

8:00 am-5:05 pm

2 stops24h 05m

$875

CologneSeattle

CGN - SEA

CGNSEA

Cologne Köln/Bonn

Thu 7/16

1:05 pm-4:59 pm

1 stop12h 54m

Seattle/Tacoma Intl

Thu 7/30

8:45 am-12:25 pm

2 stops18h 40m

$942

CologneSeattle

CGN - SEA

CGNSEA

Cologne Köln/Bonn

Sat 5/16

7:10 pm-5:15 pm

1 stop31h 05m

Seattle/Tacoma Intl

Sat 5/23

7:10 pm-1:50 pm

1 stop33h 40m

$1,204

CologneSeattle

CGN - SEA

CGNSEA

Cologne Köln/Bonn

Sun 8/23

1:05 pm-4:59 pm

1 stop12h 54m

Seattle/Tacoma Intl

Thu 9/24

8:00 am-7:30 pm

2 stops26h 30m

$1,892

CologneSeattle

CGN - SEA

CGNSEA

Cologne Köln/Bonn

Mon 7/20

7:10 pm-5:15 pm

1 stop31h 05m

Seattle/Tacoma Intl

Tue 8/25

7:10 pm-9:25 am

1 stop29h 15m

$4,011

CologneSeattle

CGN - SEA

CGNSEA

Cologne Köln/Bonn

Mon 7/20

6:20 am-6:32 pm

2 stops21h 12m

Seattle/Tacoma Intl

Tue 8/25

6:50 pm-7:30 pm

1 stop15h 40m

$4,218

CologneSeattle

CGN - SEA

CGNSEA

Cologne Köln/Bonn

Sun 8/23

8:30 am-4:59 pm

1 stop17h 29m

Seattle/Tacoma Intl

Wed 9/23

6:50 pm-5:20 pm

1 stop13h 30m

$4,296

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Compare providers for flights from Cologne 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 Cologne to Seattle in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust 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 Cologne-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Cologne-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Cologne-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Cologne-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 Cologne-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 Cologne to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Cologne 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.

Cheapflights Insights

Everything you need to know about your flight from Cologne to Seattle

What is the cheapest month to book a flight from Cologne to Seattle?

Currently, March is the cheapest month in which you can book a flight from Cologne to Seattle (average of $436). Flying from Cologne to Seattle in July is currently the most expensive (average of $597). 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.

Related info for your journey

Find useful and relevant information for your journey from Cologne to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Cologne to Seattle?

    Departing from Cologne to Seattle will take you 12h 54m. The distance between Cologne and Seattle is about 5007 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Cologne to Seattle that include hotel bookings?

    Yes. In addition to deals on Cologne to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Cologne to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cologne to Seattle.

  • Can I find deals for business class flights from Cologne to Seattle?

    Yes. Cheapflights offers flight deals from Cologne 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 Cologne to Seattle?

    Currently, March is the cheapest month in which you can book a flight from Cologne to Seattle (average of $436). Flying from Cologne to Seattle in July is currently the most expensive (average of $597). 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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tacoma
Ocean Shores
Olympia
Kent
Lynnwood
Lacey
Edmonds
Leavenworth
Snoqualmie
Tukwila
Renton
Puyallup
Kirkland
Ellensburg
Fife
Lakewood
Issaquah
Shoreline
Aberdeen

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