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Cologne

$396+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CGN
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
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 March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$642
(Expedia)

One-way from

$396
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$677
Provider with most accurate pricing for Seattle/Tacoma Intl-Cologne Köln/Bonn flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Cologne Köln/Bonn flights.
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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. 20% potential increase in price ($305 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($100 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 26, 2025.

This Expedia deal was found by Cheapflights users on 3/25. 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.
Wed 5/71:30 pmSEA - CGN
1 stop22h 30mBritish Airways
Wed 5/1410:15 pmCGN - SEA
1 stop22h 20mBritish Airways
Deal found 3/25$642
This American Airlines deal was found by Cheapflights users on 3/25. 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.
Wed 5/72:20 pmSEA - CGN
2 stops21h 40mMultiple Airlines
Wed 5/1410:15 pmCGN - SEA
1 stop22h 20mMultiple Airlines
Deal found 3/25$645
This Air Canada deal was found by Cheapflights users on 3/25. 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.
Fri 5/97:20 amSEA - CGN
2 stops18h 50mAir Canada
Fri 5/1612:55 pmCGN - SEA
2 stops18h 18mAir Canada
Deal found 3/25$746
This Lufthansa deal was found by Cheapflights users on 3/25. 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.
Fri 5/96:50 pmSEA - CGN
1 stop13h 45mLufthansa
Fri 5/168:35 amCGN - SEA
1 stop17h 24mLufthansa
Deal found 3/25$762
This United Airlines deal was found by Cheapflights users on 3/25. 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 5/95:15 amSEA - CGN
2 stops27h 20mUnited Airlines
Fri 5/166:05 amCGN - SEA
1 stop19h 54mUnited Airlines
Deal found 3/25$767
This Turkish Airlines deal was found by Cheapflights users on 3/25. 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 3/298:00 pmSEA - CGN
1 stop37h 15mTurkish Airlines
Sun 4/67:10 pmCGN - SEA
1 stop31h 05mTurkish Airlines
Deal found 3/25$1,640

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 March 26, 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

Wed 5/7

1:30 pm-9:00 pm

1 stop22h 30m

Cologne Köln/Bonn

Wed 5/14

10:15 pm-11:35 am

1 stop22h 20m

$642

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Wed 5/7

2:20 pm-9:00 pm

2 stops21h 40m

Cologne Köln/Bonn

Wed 5/14

10:15 pm-11:35 am

1 stop22h 20m

$645

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 5/9

7:20 am-11:10 am

2 stops18h 50m

Cologne Köln/Bonn

Fri 5/16

12:55 pm-10:13 pm

2 stops18h 18m

$746

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 5/9

6:50 pm-5:35 pm

1 stop13h 45m

Cologne Köln/Bonn

Fri 5/16

8:35 am-4:59 pm

1 stop17h 24m

$762

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 5/9

5:15 am-5:35 pm

2 stops27h 20m

Cologne Köln/Bonn

Fri 5/16

6:05 am-4:59 pm

1 stop19h 54m

$767

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sun 6/1

7:05 am-8:50 am

3 stops40h 45m

$396

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sat 9/20

7:15 pm-3:35 pm

2 stops35h 20m

$492

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sun 9/21

6:50 pm-11:10 pm

1 stop19h 20m

$494

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Mon 9/22

8:20 pm-8:30 pm

1 stop15h 10m

$528

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 6/13

6:25 am-3:50 pm

3 stops24h 25m

$817

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Compare providers for flights from Seattle to Cologne

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Cologne in March.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*1 star
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Cologne flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Cologne flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Cologne flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Cologne flights, Cheapflights users trust FlightHub the most. FlightHub 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 Seattle-Cologne 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 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 $1,466). 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 March 26, 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.

Rainfall in Cologne by month

Plan your trip to Cologne by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Cologne ranges from 2.0 - 3.5 inches per month. June is typically the wettest month, when rainfall can reach 3.5 in. February is typically the driest time to visit Cologne when rainfall is around 2.0 in.

Temperature in Cologne by month

Plan your trip to Cologne by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Cologne, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 March 26, 2025.
United Airlines
7.4
Good
8,608 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.0

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,608 reviews
United Airlines
7.4
Good
8,608 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.0

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.0
Good
8,960 reviews
United Airlines
7.4
Good
8,608 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.0

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Lufthansa
6.7
Okay
6,950 reviews
United Airlines
7.4
Good
8,608 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.0

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
British Airways
6.6
Okay
6,712 reviews
United Airlines
7.4
Good
8,608 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.0

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • What are the cheapest airlines flying from Seattle to Cologne round-trip?

    Our cheapest airline available from Seattle to Cologne is British Airways. Our recent data shows that you can find tickets from as low as $642 on this airline. Additional options worth looking into are Air Canada and Lufthansa, starting at $746 and $762 round-trip. British Airways 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 Air Canada. According to our data, you can fly for as low as $492. Users have also found prices from $494 and $528 on Lufthansa and British Airways, 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 $1,466). 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 March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$612Average$841FlexibilityNo cancel feeOn-time76%
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