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Cologne

$440+ Cheap flights from Seattle (SEA) to Cologne (CGN)

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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CGN
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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Cheap flight deals from Seattle to Cologne

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Cologne (CGN). 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 septiembre 11, 2025.

Round-trip from

$638
(Air Canada)

One-way from

$440
(American Airlines)

Popular in

December

Cheapest in

April

Average price

$901
From Seattle/Tacoma Intl to Cologne Köln/Bonn
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One-way flight from Seattle/Tacoma Intl to Cologne Köln/Bonn
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Highest demand for flights based on searches. 27% potential increase in price ($410 potential increase over avg. RT price).
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Cheapest flight prices on average. 12% potential price decrease ($123 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Seattle to Cologne

Cheapest flights from Seattle to Cologne
Explore the most affordable flight options available from Seattle to Cologne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.

This Gotogate deal was found by Cheapflights users on 9/9. 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.
vie. 10/242:55 pmSEA - CGN
2 stops15h 55mAir Canada
vie. 10/3112:45 pmCGN - SEA
2 stops17h 21mAir Canada
Deal found 9/9$632
This Orbitz deal was found by Cheapflights users on 9/9. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/91:30 pmSEA - CGN
1 stop15h 05mBritish Airways
jue. 10/1610:15 amCGN - SEA
2 stops19h 31mBritish Airways
Deal found 9/9$633
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/303:40 pmSEA - CGN
2 stops16h 40mAir Canada
vie. 11/79:10 amCGN - SEA
2 stops21h 56mAir Canada
Deal found 9/11$638
This Priceline deal was found by Cheapflights users on 9/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/92:55 pmSEA - CGN
2 stops17h 10mAir Canada
jue. 10/166:20 amCGN - SEA
2 stops21h 16mAir Canada
Deal found 9/9$640
This Gotogate deal was found by Cheapflights users on 9/9. 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.
vie. 10/242:55 pmSEA - CGN
2 stops15h 55mMultiple Airlines
vie. 10/319:10 amCGN - SEA
1 stop13h 10mMultiple Airlines
Deal found 9/9$644
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/91:30 pmSEA - CGN
1 stop22h 40mBritish Airways
jue. 10/2310:15 amCGN - SEA
2 stops23h 12mBritish Airways
Deal found 9/11$649
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/92:55 pmSEA - CGN
2 stops17h 10mAir Canada
jue. 10/236:20 amCGN - SEA
2 stops21h 16mAir Canada
Deal found 9/11$664
This Travelocity deal was found by Cheapflights users on 9/10. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/303:40 pmSEA - CGN
2 stops20h 40mBritish Airways
jue. 10/1610:15 amCGN - SEA
2 stops19h 31mBritish Airways
Deal found 9/10$693
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/118:20 pmSEA - CGN
1 stop15h 30mBritish Airways
vie. 10/242:20 pmCGN - SEA
1 stop13h 00mBritish Airways
Deal found 9/11$698
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/106:50 pmSEA - CGN
1 stop19h 20mLufthansa
mié. 10/2212:55 pmCGN - SEA
1 stop13h 04mLufthansa
Deal found 9/11$699

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Cologne 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 septiembre 11, 2025.
Use the filters below to find and compare flights from Seattle to Cologne that are best for you.

Fly from

Seattle

Fly to

Cologne

Route

Depart

Return

Price

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

vie. 10/24

2:55 pm-3:50 pm

2 stops15h 55m

Cologne Köln/Bonn

vie. 10/31

12:45 pm-10:06 pm

2 stops17h 21m

$632

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

jue. 10/9

2:55 pm-5:05 pm

2 stops17h 10m

Cologne Köln/Bonn

jue. 10/16

6:20 am-6:36 pm

2 stops21h 16m

$640

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

vie. 10/24

2:55 pm-3:50 pm

2 stops15h 55m

Cologne Köln/Bonn

vie. 10/31

9:10 am-2:20 pm

1 stop13h 10m

$644

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

mié. 10/8

6:50 pm-5:10 pm

1 stop13h 20m

Cologne Köln/Bonn

mié. 10/22

6:05 am-11:55 am

2 stops14h 50m

$711

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

mié. 10/1

6:50 pm-3:50 pm

1 stop12h 00m

Cologne Köln/Bonn

vie. 10/17

12:55 pm-4:59 pm

1 stop13h 04m

$714

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

mié. 10/1

6:50 pm-3:50 pm

1 stop12h 00m

Cologne Köln/Bonn

mié. 10/15

12:55 pm-4:59 pm

1 stop13h 04m

$714

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

jue. 9/25

8:00 am-3:50 pm

2 stops22h 50m

Cologne Köln/Bonn

mié. 10/8

6:05 am-4:59 pm

1 stop19h 54m

$743

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

mar. 9/30

1:30 pm-9:20 pm

1 stop22h 50m

Cologne Köln/Bonn

mié. 10/15

10:15 pm-11:35 am

1 stop22h 20m

$753

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

lun. 9/29

8:20 pm-8:30 pm

1 stop15h 10m

Cologne Köln/Bonn

mié. 10/15

10:15 pm-11:35 am

1 stop22h 20m

$753

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

dom. 9/28

8:20 pm-8:25 pm

1 stop15h 05m

Cologne Köln/Bonn

jue. 10/16

9:55 pm-11:35 am

1 stop22h 40m

$753

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 15 results
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Best time to book a flight from Seattle to Cologne

Have a flexible travel schedule? Discover the best time to fly to Cologne from Seattle 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 Seattle to Cologne

What is the cheapest month to book a flight from Seattle to Cologne?

Currently, October is the cheapest month in which you can book a flight from Seattle to Cologne (average of $649). Flying from Seattle to Cologne in June is currently the most expensive (average of $1,249). 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.

What is the cheapest time of day to fly from SEA to CGN?

Find hourly flight availability from Seattle to Cologne. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 11, 2025.

One of the essential ways to save on airfare from Seattle to Cologne is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 31% on airfare.

Reviews of airlines servicing Cologne

Get insights into the airlines that provide service to Cologne. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cologne. Reviews last updated septiembre 11, 2025.
See what other customers who have flown with Lufthansa from Seattle to Cologne have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Lufthansa
6.8
Okay
7,409 reviews

Crew

7.6

Overall

6.8

Entertainment

6.4

Comfort

6.8

Food

6.3

Boarding

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

SFO - FRA

Convenient flight to my destination. Good entertainment options on board. I was seated close to some people who had noisy children which made sleeping a bit challenging.
Lufthansa
6.8
Okay
7,409 reviews
Lufthansa
6.8
Okay
7,409 reviews

Crew

7.6

Overall

6.8

Entertainment

6.4

Comfort

6.8

Food

6.3

Boarding

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

SFO - FRA

Convenient flight to my destination. Good entertainment options on board. I was seated close to some people who had noisy children which made sleeping a bit challenging.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Cologne. 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 Seattle to Cologne?

    There are many flights that can get you from Seattle to Cologne in 13h 20m. Fly via Air Canada or Lufthansa to get the fastest option. The distance from Seattle to Cologne is about 5007 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Seattle to Cologne round-trip?

    Our cheapest airline available from Seattle to Cologne is Lufthansa. Our recent data shows that you can find tickets from as low as $578 on this airline. Lufthansa is 47% cheaper than the average price of flights available within the next 90 days to this destination.

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

    For one-way options, check prices for British Airways. According to our data, you can fly for as low as $508. Users have also found prices from $872 and $894 on Austrian Airlines and Turkish Airlines, respectively.

  • Can I find deals for flights from Seattle to Cologne that include hotel bookings?

    Yes. In addition to deals on Seattle to Cologne flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Cologne?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Cologne.

  • Can I find deals for business class flights from Seattle to Cologne?

    Yes. Cheapflights offers flight deals from Seattle to Cologne 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 Seattle to Cologne?

    Currently, October is the cheapest month in which you can book a flight from Seattle to Cologne (average of $649). Flying from Seattle to Cologne in June is currently the most expensive (average of $1,249). 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.

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Top airline flying from Seattle to Cologne

Discover the top airline that operate flights from Seattle to Cologne. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$578Average$841FlexibilityNo cancel feeOn-time76%

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