HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$408+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
CGN — SEA
ago. 19 — ago. 261
mar. 8/19
mar. 8/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Cologne to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 agosto 14, 2025.

Round-trip from

$538
(Kiwi.com)

One-way from

$408
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$681
From Cologne Köln/Bonn to Seattle/Tacoma Intl
Search Deals
One-way flight from Cologne Köln/Bonn to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

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 agosto 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
vie. 9/266:05 amCGN - SEA
1 stop19h 54mMultiple Airlines
mar. 9/307:00 amSEA - CGN
2 stops27h 40mMultiple Airlines
Deal found 8/13$538
This American Airlines deal was found by Cheapflights users on 8/13. 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.
vie. 9/262:20 pmCGN - SEA
1 stop30h 15mAmerican Airlines
mar. 9/308:20 pmSEA - CGN
1 stop16h 05mAmerican Airlines
Deal found 8/13$743
This Justfly.com deal was found by Cheapflights users on 8/14. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/237:05 amCGN - SEA
1 stop16h 45mSWISS
sáb. 9/134:20 pmSEA - CGN
1 stop20h 15mSWISS
Deal found 8/14$1,334
This Air Canada deal was found by Cheapflights users on 8/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/237:05 amCGN - SEA
2 stops20h 31mAir Canada
sáb. 9/132:55 pmSEA - CGN
2 stops15h 55mAir Canada
Deal found 8/13$1,690
This oojo deal was found by Cheapflights users on 8/13. 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.
sáb. 8/237:10 pmCGN - SEA
1 stop31h 05mTurkish Airlines
sáb. 9/132:29 pmSEA - CGN
2 stops34h 01mTurkish Airlines
Deal found 8/13$1,925

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 agosto 14, 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

vie. 9/26

6:05 am-4:59 pm

1 stop19h 54m

Seattle/Tacoma Intl

mar. 9/30

7:00 am-7:40 pm

2 stops27h 40m

$538

CologneSeattle

CGN - SEA

CGNSEA

Cologne Köln/Bonn

vie. 9/26

2:20 pm-11:35 am

1 stop30h 15m

Seattle/Tacoma Intl

mar. 9/30

8:20 pm-9:25 pm

1 stop16h 05m

$743

CologneSeattle

CGN - SEA

CGNSEA

Cologne Köln/Bonn

mar. 9/9

2:20 pm-8:25 am

3 stops51h 05m

$408

CologneSeattle

CGN - SEA

CGNSEA

Cologne Köln/Bonn

jue. 9/11

3:10 pm-7:36 pm

2 stops37h 26m

$416

CologneSeattle

CGN - SEA

CGNSEA

Cologne Köln/Bonn

mié. 9/10

6:10 pm-7:36 pm

2 stops34h 26m

$420

CologneSeattle

CGN - SEA

CGNSEA

Cologne Köln/Bonn

lun. 9/15

6:05 pm-8:35 pm

3 stops35h 30m

$453

CologneSeattle

CGN - SEA

CGNSEA

Cologne Köln/Bonn

sáb. 9/13

12:00 pm-10:20 am

3 stops31h 20m

$516

CologneSeattle

CGN - SEA

CGNSEA

Cologne Köln/Bonn

vie. 9/12

6:00 pm-9:51 pm

2 stops36h 51m

$518

CologneSeattle

CGN - SEA

CGNSEA

Cologne Köln/Bonn

dom. 9/14

10:10 pm-10:26 pm

2 stops33h 16m

$534

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

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 $389). 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.

How much does it cost to fly round-trip from Cologne to Seattle?

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.

  • 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 $389). 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
Ocean Shores
Lakewood
Lynnwood
Lacey
Leavenworth
Renton
Olympia
Puyallup
Kent
Cle Elum
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline
Federal Way
Shelton

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 Cologne to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Frankfurt to Seattle flights
Munich to Seattle flights
Frankfurt to Portland flights
Frankfurt-Hahn to Seattle flights
Berlin to Seattle flights
Munich to Portland flights
Hamburg to Seattle flights
Frankfurt to Spokane flights
Bremen to Seattle flights
Duesseldorf Intl to Seattle flights
Nuremberg to Seattle flights
Berlin to Portland flights
Stuttgart to Portland flights
Hamburg to Portland flights
Duesseldorf Intl to Portland flights
Leipzig to Seattle flights
Stuttgart to Seattle flights
Hannover to Portland flights
Bremen to Portland flights
Munich to Bellingham flights
Dresden to Seattle flights
Nuremberg to Portland flights
Leipzig to Portland flights
Frankfurt to Pullman flights
Dresden to Portland flights
Munich to Spokane flights
Hannover to Seattle flights
Duesseldorf Intl to Spokane flights
Paderborn to Seattle flights
Dortmund to Seattle flights
Münster to Portland flights
Cologne to Portland flights
Hamburg to Spokane flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.