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$397+ 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 12/27. Fares are subject to change and may not be available on all flights or dates of travel.
CGN — SEA
Nov 1 — Nov 81
Sat 11/1
Sat 11/8
1 adult, Economy
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Cheap 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 October 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$585
(Mytrip)

One-way from

$397
(American Airlines)

Popular in

July

Cheapest in

November

Average price

$668
Provider with most accurate pricing for Cologne Köln/Bonn-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Cologne Köln/Bonn-Seattle/Tacoma Intl flights.
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From Cologne Köln/Bonn to Seattle/Tacoma Intl
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One-way flight from Cologne Köln/Bonn to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 7% potential increase in price ($52 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 2, 2025.

This Mytrip deal was found by Cheapflights users on 10/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/79:10 amCGN - SEA
1 stop13h 10mLufthansa
Fri 11/143:10 pmSEA - CGN
1 stop17h 00mLufthansa
Deal found 10/2$585
This Mytrip deal was found by Cheapflights users on 10/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2412:55 pmCGN - SEA
1 stop13h 04mLufthansa
Fri 10/314:10 pmSEA - CGN
1 stop17h 00mLufthansa
Deal found 10/2$588
This United Airlines deal was found by Cheapflights users on 10/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/159:10 amCGN - SEA
2 stops34h 25mUnited Airlines
Sat 11/2211:30 pmSEA - CGN
2 stops32h 40mUnited Airlines
Deal found 10/1$599
This Gotogate deal was found by Cheapflights users on 10/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/79:10 amCGN - SEA
2 stops19h 06mMultiple Airlines
Fri 11/145:50 amSEA - CGN
2 stops21h 40mMultiple Airlines
Deal found 10/2$613
This Lufthansa deal was found by Cheapflights users on 10/1. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/196:05 amCGN - SEA
1 stop19h 54mLufthansa
Sun 10/264:10 pmSEA - CGN
1 stop19h 25mLufthansa
Deal found 10/1$634
This Sembo deal was found by Cheapflights users on 10/1. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/196:05 amCGN - SEA
2 stops14h 50mMultiple Airlines
Sun 10/2610:05 amSEA - CGN
2 stops28h 20mMultiple Airlines
Deal found 10/1$636
This Gotogate deal was found by Cheapflights users on 10/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/247:40 amCGN - SEA
2 stops34h 41mMultiple Airlines
Fri 10/314:10 pmSEA - CGN
1 stop18h 50mMultiple Airlines
Deal found 10/2$643

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 October 2, 2025.
Use the filters below to find and compare flights from Cologne to Seattle that are best for you.

Fly from

Cologne

Fly to

Seattle

Route

Depart

Return

Price

CologneSeattle

CGN - SEA

CGNSEA

Cologne Köln/Bonn

Fri 11/7

9:10 am-1:20 pm

1 stop13h 10m

Seattle/Tacoma Intl

Fri 11/14

3:10 pm-5:10 pm

1 stop17h 00m

$585

CologneSeattle

CGN - SEA

CGNSEA

Cologne Köln/Bonn

Fri 10/24

12:55 pm-4:59 pm

1 stop13h 04m

Seattle/Tacoma Intl

Fri 10/31

4:10 pm-12:30 pm

1 stop12h 20m

$592

CologneSeattle

CGN - SEA

CGNSEA

Cologne Köln/Bonn

Sat 11/15

9:10 am-10:35 am

2 stops34h 25m

Seattle/Tacoma Intl

Sat 11/22

11:30 pm-5:10 pm

2 stops32h 40m

$599

CologneSeattle

CGN - SEA

CGNSEA

Cologne Köln/Bonn

Thu 3/26

5:05 pm-5:55 pm

1 stop32h 50m

Seattle/Tacoma Intl

Mon 3/30

1:30 pm-8:30 pm

1 stop22h 00m

$604

CologneSeattle

CGN - SEA

CGNSEA

Cologne Köln/Bonn

Fri 11/7

9:10 am-7:16 pm

2 stops19h 06m

Seattle/Tacoma Intl

Fri 11/14

5:50 am-12:30 pm

2 stops21h 40m

$613

CologneSeattle

CGN - SEA

CGNSEA

Cologne Köln/Bonn

Sun 10/19

6:05 am-4:59 pm

1 stop19h 54m

Seattle/Tacoma Intl

Sun 10/26

4:10 pm-7:35 pm

1 stop19h 25m

$634

CologneSeattle

CGN - SEA

CGNSEA

Cologne Köln/Bonn

Sun 10/19

6:05 am-11:55 am

2 stops14h 50m

Seattle/Tacoma Intl

Sun 10/26

10:05 am-10:25 pm

2 stops28h 20m

$636

CologneSeattle

CGN - SEA

CGNSEA

Cologne Köln/Bonn

Fri 10/24

7:40 am-9:21 am

2 stops34h 41m

Seattle/Tacoma Intl

Fri 10/31

4:10 pm-7:00 pm

1 stop18h 50m

$643

CologneSeattle

CGN - SEA

CGNSEA

Cologne Köln/Bonn

Sat 12/27

12:40 pm-4:55 pm

1 stop13h 15m

$457

CologneSeattle

CGN - SEA

CGNSEA

Cologne Köln/Bonn

Sun 12/28

4:35 pm-10:31 am

2 stops50h 56m

$575

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/30

Showing 1-10 of 18 results
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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 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 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, January is the cheapest month in which you can book a flight from Cologne to Seattle (average of $238). Flying from Cologne to Seattle in June is currently the most expensive (average of $388). 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 13h 10m. 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.

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

    One-way options have recently been found by users for as low as $457 on American Airlines. Other airlines that offer cheap prices include British Airways from $575 and Lufthansa from $677 one-way.

  • 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, January is the cheapest month in which you can book a flight from Cologne to Seattle (average of $238). Flying from Cologne to Seattle in June is currently the most expensive (average of $388). 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
Tukwila
Tacoma
Lakewood
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Lacey
Olympia
Kent
Federal Way
Cle Elum
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline

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