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$473+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
CGN — SEA
Aug 1 — Aug 81
Sat 8/1
Sat 8/8
1 adult, Economy
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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 July 2, 2026.

This Expedia deal was found by Cheapflights users on 7/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/211:05 pm
CGN
-
SEA
1 stop12h 54m
Lufthansa
Mon 10/57:00 am
SEA
-
CGN
2 stops20h 25m
Lufthansa
Deal found 7/2$693
This Expedia deal was found by Cheapflights users on 7/1. 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.
Fri 9/41:05 pm
CGN
-
SEA
1 stop12h 54m
Lufthansa
Thu 9/246:50 pm
SEA
-
CGN
1 stop13h 50m
Lufthansa
Deal found 7/1$704
This Booking.com deal was found by Cheapflights users on 7/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/61:05 pm
CGN
-
SEA
1 stop12h 54m
Lufthansa
Fri 9/256:50 pm
SEA
-
CGN
1 stop13h 50m
Lufthansa
Deal found 7/2$708
This flugladen.de deal was found by Cheapflights users on 6/29. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/96:20 am
CGN
-
SEA
2 stops23h 47m
Multiple Airlines
Wed 7/156:50 pm
SEA
-
CGN
1 stop15h 40m
Multiple Airlines
Deal found 6/29$709
This Expedia deal was found by Cheapflights users on 7/1. 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.
Fri 9/48:40 pm
CGN
-
SEA
2 stops31h 27m
Multiple Airlines
Thu 9/246:50 pm
SEA
-
CGN
1 stop13h 50m
Multiple Airlines
Deal found 7/1$714
This United Airlines deal was found by Cheapflights users on 7/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/211:05 pm
CGN
-
SEA
2 stops18h 59m
United Airlines
Mon 10/58:46 am
SEA
-
CGN
2 stops18h 39m
United Airlines
Deal found 7/2$716
This Air Canada deal was found by Cheapflights users on 6/28. 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.
Thu 7/96:20 am
CGN
-
SEA
2 stops23h 47m
Air Canada
Wed 7/158:00 am
SEA
-
CGN
2 stops24h 05m
Air Canada
Deal found 6/28$718
This United Airlines deal was found by Cheapflights users on 6/29. 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.
Thu 7/91:05 pm
CGN
-
SEA
1 stop12h 54m
United Airlines
Wed 7/156:50 pm
SEA
-
CGN
1 stop13h 30m
United Airlines
Deal found 6/29$755
This Expedia deal was found by Cheapflights users on 7/1. 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.
Fri 9/48:40 pm
CGN
-
SEA
2 stops31h 27m
Austrian Airlines
Thu 9/247:00 am
SEA
-
CGN
2 stops27h 55m
Austrian Airlines
Deal found 7/1$764
This Flysmarter deal was found by Cheapflights users on 7/2. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/68:30 am
CGN
-
SEA
2 stops21h 37m
Air Canada
Fri 9/258:46 am
SEA
-
CGN
2 stops18h 39m
Air Canada
Deal found 7/2$773
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Wed 7/151:05 pm
CGN
-
SEA
2 stops41h 02m
United Airlines
Thu 7/305:00 am
SEA
-
CGN
2 stops27h 40m
United Airlines
Deal found 7/1$775

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 July 2, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$704
(Expedia)

One-way from

$473
(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 July 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
Quickest round-trip

CologneSeattle

CGN - SEA

CGNSEA

Cologne Köln/Bonn

Fri 9/4

1:05 pm-4:59 pm

1 stop12h 54m

Seattle/Tacoma Intl

Sat 9/19

6:50 pm-5:20 pm

1 stop13h 30m

$710

CologneSeattle

CGN - SEA

CGNSEA

Cologne Köln/Bonn

Fri 9/4

8:40 pm-7:07 pm

2 stops31h 27m

Seattle/Tacoma Intl

Thu 9/24

6:50 pm-5:40 pm

1 stop13h 50m

$714

CologneSeattle

CGN - SEA

CGNSEA

Cologne Köln/Bonn

Fri 8/21

1:05 pm-11:04 pm

2 stops18h 59m

Seattle/Tacoma Intl

Mon 10/5

8:46 am-12:25 pm

2 stops18h 39m

$716

CologneSeattle

CGN - SEA

CGNSEA

Cologne Köln/Bonn

Fri 9/4

8:40 pm-7:07 pm

2 stops31h 27m

Seattle/Tacoma Intl

Thu 9/24

7:00 am-7:55 pm

2 stops27h 55m

$764

CologneSeattle

CGN - SEA

CGNSEA

Cologne Köln/Bonn

Fri 7/31

1:05 pm-9:03 pm

2 stops40h 58m

Seattle/Tacoma Intl

Fri 8/7

11:20 pm-5:20 pm

2 stops33h 00m

$927

CologneSeattle

CGN - SEA

CGNSEA

Cologne Köln/Bonn

Fri 7/24

8:30 am-4:59 pm

1 stop17h 29m

Seattle/Tacoma Intl

Tue 8/25

1:57 pm-7:30 pm

2 stops20h 33m

$928

CologneSeattle

CGN - SEA

CGNSEA

Cologne Köln/Bonn

Sat 10/17

7:10 pm-10:56 pm

2 stops36h 46m

Seattle/Tacoma Intl

Sun 10/25

11:03 pm-10:30 am

2 stops27h 27m

$1,083

CologneSeattle

CGN - SEA

CGNSEA

Cologne Köln/Bonn

Fri 7/31

1:05 pm-10:42 pm

2 stops18h 37m

Seattle/Tacoma Intl

Fri 8/7

10:40 am-6:55 pm

2 stops23h 15m

$1,207
Cheapest one-way

CologneSeattle

CGN - SEA

CGNSEA

Cologne Köln/Bonn

Wed 9/2

10:20 pm-4:00 pm

3 stops50h 40m

$473
Quickest one-way

CologneSeattle

CGN - SEA

CGNSEA

Cologne Köln/Bonn

Tue 8/4

11:15 pm-9:40 am

3 stops43h 25m

$637

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 11 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Cologne-Seattle flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Cologne-Seattle flight deals on Cheapflights vs. Expedia <90% 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 Expedia the most. Expedia 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.

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.

See more FAQs

Traveling to a place near Seattle?

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

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