$482+ 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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
CGN — SEA
Sep 17 — Sep 241
Round-trip
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
Cheapest
Best
Last-minute
One-way
Cheapest flights from Cologne to SeattleExplore 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 August 18, 2026.
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 August 18, 2026.
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:10 pm -
1 stop29h 49m
Mon 10/58:25 am -
2 stops19h 00m
Deal found 8/14![Lufthansa logo]()
$667
This Expedia deal was found by Cheapflights users on 8/17. 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 9/57:35 pm -
1 stop30h 24m
Sat 9/126:50 pm -
1 stop15h 40m
Deal found 8/17![Lufthansa logo]()
$677
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:05 pm -
1 stop12h 54m
Mon 10/510:42 am -
2 stops16h 43m
Deal found 8/13![United Airlines logo]()
$684
This Lufthansa deal was found by Cheapflights users on 8/15. 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 9/68:30 am -
1 stop17h 29m
Sun 9/136:50 pm -
1 stop13h 30m
Deal found 8/15![Lufthansa logo]()
$686
This United Airlines deal was found by Cheapflights users on 8/15. 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 9/68:30 am -
1 stop17h 29m
Sun 9/136:50 pm -
1 stop13h 30m
Deal found 8/15![United Airlines logo]()
$687
This Gotogate deal was found by Cheapflights users on 8/17. 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.
Thu 9/171:05 pm -
2 stops18h 42m
Tue 9/226:50 pm -
1 stop13h 30m
Deal found 8/17![Multiple Airlines logo]()
$690
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:10 pm -
1 stop29h 49m
Sun 8/306:50 pm -
1 stop13h 30m
Deal found 8/14![Lufthansa logo]()
$719
This Expedia deal was found by Cheapflights users on 8/16. 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 8/288:10 pm -
1 stop29h 49m
Fri 9/186:50 pm -
1 stop15h 05m
Deal found 8/16![Lufthansa logo]()
$726
Best flights from Cologne to SeattleDiscover carefully curated flight deals from Cologne to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2026.
Discover carefully curated flight deals from Cologne to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2026.
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:10 pm -
1 stop29h 49m
Mon 10/58:25 am -
2 stops19h 00m
Deal found 8/14![Lufthansa logo]()
$667
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:05 pm -
1 stop12h 54m
Mon 10/510:42 am -
2 stops16h 43m
Deal found 8/13![United Airlines logo]()
$684
This Air Canada deal was found by Cheapflights users on 8/17. 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 10/151:05 pm -
2 stops34h 17m
Mon 10/197:15 pm -
2 stops37h 05m
Deal found 8/17![Air Canada logo]()
$780
This Turkish Airlines deal was found by Cheapflights users on 8/15. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:15 pm -
2 stops29h 50m
Sat 10/1011:13 pm -
2 stops25h 12m
Deal found 8/15![Multiple Airlines logo]()
$914
This Lufthansa deal was found by Cheapflights users on 8/15. 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 9/68:30 am -
1 stop17h 29m
Sun 9/136:50 pm -
1 stop13h 30m
Deal found 8/15![Lufthansa logo]()
$686
This United Airlines deal was found by Cheapflights users on 8/17. 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 9/171:05 pm -
1 stop12h 54m
Tue 9/226:50 pm -
1 stop13h 30m
Deal found 8/17![United Airlines logo]()
$687
This United Airlines deal was found by Cheapflights users on 8/15. 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 9/68:30 am -
1 stop17h 29m
Sun 9/136:50 pm -
1 stop13h 30m
Deal found 8/15![United Airlines logo]()
$687
This Lufthansa deal was found by Cheapflights users on 8/16. 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.
Sat 8/291:05 pm -
1 stop12h 54m
Fri 9/186:50 pm -
1 stop13h 50m
Deal found 8/16![Lufthansa logo]()
$916
This United Airlines deal was found by Cheapflights users on 8/15. 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 10/31:05 pm -
1 stop12h 54m
Sat 10/106:50 pm -
1 stop13h 30m
Deal found 8/15![United Airlines logo]()
$878
This United Airlines deal was found by Cheapflights users on 8/16. 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 10/151:05 pm -
1 stop12h 54m
Mon 10/192:27 pm -
2 stops17h 53m
Deal found 8/16![United Airlines logo]()
$925
Last-minute flights from Cologne to SeattleDiscover last-minute flight deals from Cologne to Seattle. Data last updated August 18, 2026 and is based on user searches.
Discover last-minute flight deals from Cologne to Seattle. Data last updated August 18, 2026 and is based on user searches.
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:10 pm -
1 stop29h 49m
Sun 8/306:50 pm -
1 stop13h 30m
Deal found 8/14![Lufthansa logo]()
$719
This Expedia deal was found by Cheapflights users on 8/16. 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 8/288:10 pm -
1 stop29h 49m
Fri 9/186:50 pm -
1 stop15h 05m
Deal found 8/16![Lufthansa logo]()
$726
This Expedia deal was found by Cheapflights users on 8/17. 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 9/57:35 pm -
1 stop30h 24m
Sat 9/126:50 pm -
1 stop15h 40m
Deal found 8/17![Lufthansa logo]()
$677
This Lufthansa deal was found by Cheapflights users on 8/15. 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 9/68:30 am -
1 stop17h 29m
Sun 9/136:50 pm -
1 stop13h 30m
Deal found 8/15![Lufthansa logo]()
$686
This United Airlines deal was found by Cheapflights users on 8/15. 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 9/68:30 am -
1 stop17h 29m
Sun 9/136:50 pm -
1 stop13h 30m
Deal found 8/15![United Airlines logo]()
$687
This Gotogate deal was found by Cheapflights users on 8/17. 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.
Thu 9/171:05 pm -
2 stops18h 42m
Tue 9/226:50 pm -
1 stop13h 30m
Deal found 8/17![Multiple Airlines logo]()
$690
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:10 pm -
1 stop29h 49m
Mon 10/58:25 am -
2 stops19h 00m
Deal found 8/14![Lufthansa logo]()
$667
One-way flights from Cologne to SeattleSearch for one-way flight options from Cologne to Seattle. Find affordable one-way fares based on user searches. Data last updated August 18, 2026.
Search for one-way flight options from Cologne to Seattle. Find affordable one-way fares based on user searches. Data last updated August 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Mon 10/128:15 pm -
3 stops53h 55m
Deal found 8/17![Multiple Airlines logo]()
$482
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Mon 10/1210:25 am -
1 stop39h 55m
Deal found 8/17![Turkish Airlines logo]()
$906
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Thu 9/106:20 am -
2 stops18h 40m
Deal found 8/17![Multiple Airlines logo]()
$1,017
This Cheapflightsfares deal was found by Cheapflights users on 8/17. 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.
Thu 9/107:00 am -
1 stop18h 59m
Deal found 8/17![Lufthansa logo]()
$3,120
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 August 18, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $667 (Expedia) |
One-way from | $482 (Kiwi.com) |
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 August 18, 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
Cheapest round-trip
CologneSeattle
CGN Cologne Köln/Bonn - SEA Seattle/Tacoma Intl
CGNSEA
Cologne Köln/Bonn
Mon 9/28
8:10 pm-4:59 pm
1 stop29h 49m
Seattle/Tacoma Intl
Mon 10/5
8:25 am-12:25 pm
2 stops19h 00m
$667
CologneSeattle
CGN Cologne Köln/Bonn - SEA Seattle/Tacoma Intl
CGNSEA
Cologne Köln/Bonn
Thu 10/1
1:05 pm-4:59 pm
1 stop12h 54m
Seattle/Tacoma Intl
Mon 10/5
10:42 am-12:25 pm
2 stops16h 43m
$684
CologneSeattle
CGN Cologne Köln/Bonn - SEA Seattle/Tacoma Intl
CGNSEA
Cologne Köln/Bonn
Sun 9/6
8:30 am-4:59 pm
1 stop17h 29m
Seattle/Tacoma Intl
Sun 9/13
6:50 pm-5:20 pm
1 stop13h 30m
$686
Quickest round-trip
CologneSeattle
CGN Cologne Köln/Bonn - SEA Seattle/Tacoma Intl
CGNSEA
Cologne Köln/Bonn
Thu 9/17
1:05 pm-4:59 pm
1 stop12h 54m
Seattle/Tacoma Intl
Tue 9/22
6:50 pm-5:20 pm
1 stop13h 30m
$687
CologneSeattle
CGN Cologne Köln/Bonn - SEA Seattle/Tacoma Intl
CGNSEA
Cologne Köln/Bonn
Sun 9/6
8:30 am-4:59 pm
1 stop17h 29m
Seattle/Tacoma Intl
Sun 9/13
6:50 pm-5:20 pm
1 stop13h 30m
$687
CologneSeattle
CGN Cologne Köln/Bonn - SEA Seattle/Tacoma Intl
CGNSEA
Cologne Köln/Bonn
Thu 10/15
1:05 pm-2:22 pm
2 stops34h 17m
Seattle/Tacoma Intl
Mon 10/19
7:15 pm-5:20 pm
2 stops37h 05m
$780
CologneSeattle
CGN Cologne Köln/Bonn - SEA Seattle/Tacoma Intl
CGNSEA
Cologne Köln/Bonn
Sat 10/3
1:05 pm-4:59 pm
1 stop12h 54m
Seattle/Tacoma Intl
Sat 10/10
6:50 pm-5:20 pm
1 stop13h 30m
$878
CologneSeattle
CGN Cologne Köln/Bonn - SEA Seattle/Tacoma Intl
CGNSEA
Cologne Köln/Bonn
Sat 10/3
7:15 pm-4:05 pm
2 stops29h 50m
Seattle/Tacoma Intl
Sat 10/10
11:13 pm-9:25 am
2 stops25h 12m
$914
CologneSeattle
CGN Cologne Köln/Bonn - SEA Seattle/Tacoma Intl
CGNSEA
Cologne Köln/Bonn
Sat 8/29
1:05 pm-4:59 pm
1 stop12h 54m
Seattle/Tacoma Intl
Fri 9/18
6:50 pm-5:40 pm
1 stop13h 50m
$916
CologneSeattle
CGN Cologne Köln/Bonn - SEA Seattle/Tacoma Intl
CGNSEA
Cologne Köln/Bonn
Thu 10/15
1:05 pm-4:59 pm
1 stop12h 54m
Seattle/Tacoma Intl
Mon 10/19
2:27 pm-5:20 pm
2 stops17h 53m
$925
Showing 1-10 of 14 resultsSorted by cheapest first
- 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.
CGN-SEA
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.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
Edmonds
Snoqualmie
Lynnwood
Tumwater
Centralia
Puyallup
Marysville
Kent
Ellensburg
Fife
Ocean Shores
Lakewood
Poulsbo
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
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Seattle flight routes