$433+ Cheap flights from Cologne (CGN) to Seattle (SEA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/28. Fares are subject to change and may not be available on all flights or dates of travel.
CGN — SEA
Oct 15 — Oct 221
Round-trip
1 adult, Economy
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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
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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
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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 September 15, 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 September 15, 2026.
This Expedia deal was found by Cheapflights users on 9/14. 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.
Thu 10/11:05 pm -
1 stop12h 54m
Tue 10/66:50 pm -
1 stop15h 40m
Deal found 9/14![Lufthansa logo]()
$672
This Expedia deal was found by Cheapflights users on 9/11. 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.
Thu 10/11:05 pm -
1 stop12h 54m
Tue 10/68:25 am -
2 stops39h 25m
Deal found 9/11![Multiple Airlines logo]()
$677
This Expedia deal was found by Cheapflights users on 9/14. 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.
Thu 9/248:30 am -
1 stop17h 29m
Tue 9/296:50 pm -
1 stop15h 40m
Deal found 9/14![Lufthansa logo]()
$688
This Expedia deal was found by Cheapflights users on 9/11. 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 10/261:10 pm -
2 stops37h 53m
Mon 11/28:09 am -
2 stops19h 41m
Deal found 9/11![Lufthansa logo]()
$695
This Expedia deal was found by Cheapflights users on 9/11. 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.
Thu 10/18:40 pm -
2 stops32h 57m
Tue 10/68:25 am -
2 stops39h 25m
Deal found 9/11![Austrian Airlines logo]()
$696
This Trip.com deal was found by Cheapflights users on 9/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:55 am -
2 stops18h 45m
Tue 9/297:00 pm -
2 stops18h 20m
Deal found 9/14![Multiple Airlines logo]()
$717
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 September 15, 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 September 15, 2026.
This Expedia deal was found by Cheapflights users on 9/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:40 pm -
2 stops32h 57m
Tue 10/66:50 pm -
1 stop15h 40m
Deal found 9/13![Multiple Airlines logo]()
$691
This Expedia deal was found by Cheapflights users on 9/11. 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.
Thu 10/18:40 pm -
2 stops32h 57m
Tue 10/68:25 am -
2 stops39h 25m
Deal found 9/11![Austrian Airlines logo]()
$696
This Expedia deal was found by Cheapflights users on 9/14. 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.
Sat 3/135:40 pm -
1 stop28h 20m
Sat 4/36:50 pm -
1 stop15h 40m
Deal found 9/14![Lufthansa logo]()
$788
This Air Canada deal was found by Cheapflights users on 9/13. 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.
Tue 11/249:20 am -
2 stops21h 37m
Wed 12/27:45 am -
2 stops20h 05m
Deal found 9/13![Air Canada logo]()
$800
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Tue 11/246:50 am -
2 stops25h 17m
Wed 12/22:50 pm -
1 stop17h 05m
Deal found 9/13![United Airlines logo]()
$804
This Turkish Airlines deal was found by Cheapflights users on 9/14. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/611:30 am -
1 stop39h 40m
Mon 11/97:05 pm -
1 stop37h 05m
Deal found 9/14![Turkish Airlines logo]()
$1,011
This Sembo deal was found by Cheapflights users on 9/14. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/135:40 pm -
1 stop28h 20m
Sat 4/33:15 pm -
2 stops19h 15m
Deal found 9/14![Multiple Airlines logo]()
$741
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/69:20 am -
2 stops18h 43m
Mon 11/92:30 pm -
2 stops17h 25m
Deal found 9/14![United Airlines logo]()
$841
This Turkish Airlines deal was found by Cheapflights users on 9/11. 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.
Mon 10/266:10 pm -
1 stop32h 00m
Mon 11/210:56 pm -
2 stops26h 34m
Deal found 9/11![Multiple Airlines logo]()
$940
This United Airlines deal was found by Cheapflights users on 9/14. 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 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
Tue 10/61:56 pm -
2 stops18h 24m
Deal found 9/14![United Airlines logo]()
$1,002
Last-minute flights from Cologne to SeattleDiscover last-minute flight deals from Cologne to Seattle. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from Cologne to Seattle. Data last updated September 15, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 9/14. 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.
Thu 9/248:30 am -
1 stop17h 29m
Tue 9/296:50 pm -
1 stop15h 40m
Deal found 9/14![Lufthansa logo]()
$688
This Trip.com deal was found by Cheapflights users on 9/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:55 am -
2 stops18h 45m
Tue 9/297:00 pm -
2 stops18h 20m
Deal found 9/14![Multiple Airlines logo]()
$717
This Expedia deal was found by Cheapflights users on 9/14. 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.
Thu 10/11:05 pm -
1 stop12h 54m
Tue 10/66:50 pm -
1 stop15h 40m
Deal found 9/14![Lufthansa logo]()
$672
This Expedia deal was found by Cheapflights users on 9/11. 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.
Thu 10/11:05 pm -
1 stop12h 54m
Tue 10/68:25 am -
2 stops39h 25m
Deal found 9/11![Multiple Airlines logo]()
$677
This Expedia deal was found by Cheapflights users on 9/11. 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.
Thu 10/18:40 pm -
2 stops32h 57m
Tue 10/68:25 am -
2 stops39h 25m
Deal found 9/11![Austrian Airlines logo]()
$696
This Expedia deal was found by Cheapflights users on 9/11. 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 10/261:10 pm -
2 stops37h 53m
Mon 11/28:09 am -
2 stops19h 41m
Deal found 9/11![Lufthansa logo]()
$695
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 September 15, 2026.
Search for one-way flight options from Cologne to Seattle. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This British Airways deal was found by Cheapflights users on 9/13. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/289:00 pm -
1 stop23h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![British Airways logo]()
$433
This flugladen.de deal was found by Cheapflights users on 9/13. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/273:55 pm -
1 stop33h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![British Airways logo]()
$436
This British Airways deal was found by Cheapflights users on 9/13. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/265:35 pm -
1 stop32h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![British Airways logo]()
$498
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sun 12/2710:35 pm -
3 stops51h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$571
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Mon 12/288:45 pm -
2 stops29h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$577
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sat 12/269:25 pm -
2 stops52h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$605
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 September 15, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $672 (Expedia) |
One-way from | $433 (British Airways) |
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 7,457,451 searches. Data last updated September 15, 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
Sat 12/26
5:35 pm-4:50 pm
1 stop32h 15m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$498
CologneSeattle
CGN Cologne Köln/Bonn - SEA Seattle/Tacoma Intl
CGNSEA
Cologne Köln/Bonn
Sun 12/27
10:35 pm-5:00 pm
3 stops51h 25m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$571
Quickest round-trip
CologneSeattle
CGN Cologne Köln/Bonn - SEA Seattle/Tacoma Intl
CGNSEA
Cologne Köln/Bonn
Mon 12/28
8:45 pm-5:00 pm
2 stops29h 15m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$577
CologneSeattle
CGN Cologne Köln/Bonn - SEA Seattle/Tacoma Intl
CGNSEA
Cologne Köln/Bonn
Sat 12/26
9:25 pm-5:00 pm
2 stops52h 35m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$605
CologneSeattle
CGN Cologne Köln/Bonn - SEA Seattle/Tacoma Intl
CGNSEA
Cologne Köln/Bonn
Thu 10/1
8:40 pm-8:37 pm
2 stops32h 57m
Seattle/Tacoma Intl
Tue 10/6
6:50 pm-7:30 pm
1 stop15h 40m
$691
CologneSeattle
CGN Cologne Köln/Bonn - SEA Seattle/Tacoma Intl
CGNSEA
Cologne Köln/Bonn
Thu 10/1
8:40 pm-8:37 pm
2 stops32h 57m
Seattle/Tacoma Intl
Tue 10/6
8:25 am-8:50 am
2 stops39h 25m
$696
CologneSeattle
CGN Cologne Köln/Bonn - SEA Seattle/Tacoma Intl
CGNSEA
Cologne Köln/Bonn
Sat 3/13
5:40 pm-1:00 pm
1 stop28h 20m
Seattle/Tacoma Intl
Sat 4/3
3:15 pm-7:30 pm
2 stops19h 15m
$741
CologneSeattle
CGN Cologne Köln/Bonn - SEA Seattle/Tacoma Intl
CGNSEA
Cologne Köln/Bonn
Sat 3/13
5:40 pm-1:00 pm
1 stop28h 20m
Seattle/Tacoma Intl
Sat 4/3
6:50 pm-7:30 pm
1 stop15h 40m
$788
CologneSeattle
CGN Cologne Köln/Bonn - SEA Seattle/Tacoma Intl
CGNSEA
Cologne Köln/Bonn
Tue 11/24
9:20 am-9:57 pm
2 stops21h 37m
Seattle/Tacoma Intl
Wed 12/2
7:45 am-12:50 pm
2 stops20h 05m
$800
CologneSeattle
CGN Cologne Köln/Bonn - SEA Seattle/Tacoma Intl
CGNSEA
Cologne Köln/Bonn
Tue 11/24
6:50 am-11:07 pm
2 stops25h 17m
Seattle/Tacoma Intl
Wed 12/2
2:50 pm-4:55 pm
1 stop17h 05m
$804
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
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Tacoma
Lacey
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Olympia
Tukwila
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Lynnwood
Centralia
Kent
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Ellensburg
Issaquah
Marysville
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Fife
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