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Cologne

$459+ 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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CGN
May 5 — May 121
Mon 5/5
Mon 5/12
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 April 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$646
(American Airlines)

One-way from

$459
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$707
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. 23% potential increase in price ($352 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($105 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 30, 2025.

This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/151:30 pmSEA - CGN
1 stop22h 00mAmerican Airlines
Tue 9/233:30 pmCGN - SEA
1 stop29h 05mAmerican Airlines
Deal found 4/29$646
This FlightHub deal was found by Cheapflights users on 4/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/146:50 pmSEA - CGN
1 stop15h 30mMultiple Airlines
Tue 9/2312:55 pmCGN - SEA
2 stops18h 21mMultiple Airlines
Deal found 4/29$674
This Priceline deal was found by Cheapflights users on 4/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1510:00 amSEA - CGN
2 stops22h 05mAir Canada
Tue 9/236:50 amCGN - SEA
2 stops24h 26mAir Canada
Deal found 4/29$690
This British Airways deal was found by Cheapflights users on 4/29. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/141:30 pmSEA - CGN
1 stop21h 55mBritish Airways
Mon 9/229:15 pmCGN - SEA
1 stop22h 55mBritish Airways
Deal found 4/29$691
This Lufthansa deal was found by Cheapflights users on 4/29. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/146:50 pmSEA - CGN
1 stop13h 20mLufthansa
Tue 9/236:05 amCGN - SEA
2 stops14h 50mLufthansa
Deal found 4/29$699
This Justfly.com deal was found by Cheapflights users on 4/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/168:00 amSEA - CGN
2 stops26h 40mAustrian Airlines
Mon 9/228:25 pmCGN - SEA
2 stops31h 24mAustrian Airlines
Deal found 4/29$749
This United Airlines deal was found by Cheapflights users on 4/27. 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 7/1112:20 amSEA - CGN
2 stops30h 30mUnited Airlines
Fri 7/2512:55 pmCGN - SEA
2 stops32h 00mUnited Airlines
Deal found 4/27$1,000
This FlightHub deal was found by Cheapflights users on 4/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1612:30 pmSEA - CGN
1 stop20h 40mTurkish Airlines
Mon 9/222:50 pmCGN - SEA
1 stop28h 45mTurkish Airlines
Deal found 4/29$1,229

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 April 30, 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

Sat 7/12

12:10 pm-11:10 am

2 stops38h 00m

Cologne Köln/Bonn

Fri 7/25

6:05 am-11:55 am

2 stops14h 50m

$837

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sun 6/1

6:50 pm-7:20 pm

1 stop15h 30m

Cologne Köln/Bonn

Sun 6/8

6:05 am-12:25 pm

2 stops15h 20m

$844

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sun 6/1

2:55 pm-11:10 am

2 stops35h 15m

Cologne Köln/Bonn

Sun 6/8

6:05 am-9:18 am

2 stops36h 13m

$866

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Tue 6/10

1:30 pm-9:25 pm

1 stop22h 55m

Cologne Köln/Bonn

Tue 6/17

3:30 pm-11:35 am

1 stop29h 05m

$922

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Wed 6/11

1:30 pm-9:00 pm

1 stop22h 30m

Cologne Köln/Bonn

Wed 6/18

10:15 pm-11:35 am

1 stop22h 20m

$924

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 7/11

12:20 am-3:50 pm

2 stops30h 30m

Cologne Köln/Bonn

Fri 7/25

12:55 pm-11:55 am

2 stops32h 00m

$1,000

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Tue 6/10

9:40 pm-2:25 pm

3 stops55h 45m

$459

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Tue 6/10

1:30 pm-9:25 pm

1 stop22h 55m

$686

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 6/13

7:15 pm-11:10 am

2 stops54h 55m

$734

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 6/13

6:50 pm-3:50 pm

1 stop12h 00m

$763

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 11 results
1
2

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 April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seattle-Cologne flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 $1,478). 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 April 30, 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 April 30, 2025.
Read through reviews of airlines operating flights from Seattle to Cologne, such as Austrian Airlines, United Airlines and Turkish Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
780 reviews

Food

6.7

Boarding

7.6

Overall

7.6

Comfort

7.3

Crew

8.1

Entertainment

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Austrian Airlines
7.6
Good
780 reviews
Austrian Airlines
7.6
Good
780 reviews

Food

6.7

Boarding

7.6

Overall

7.6

Comfort

7.3

Crew

8.1

Entertainment

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
United Airlines
7.4
Good
8,696 reviews
Austrian Airlines
7.6
Good
780 reviews

Food

6.7

Boarding

7.6

Overall

7.6

Comfort

7.3

Crew

8.1

Entertainment

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Turkish Airlines
7.3
Good
3,788 reviews
Austrian Airlines
7.6
Good
780 reviews

Food

6.7

Boarding

7.6

Overall

7.6

Comfort

7.3

Crew

8.1

Entertainment

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
American Airlines
7.2
Good
10,000 reviews
Austrian Airlines
7.6
Good
780 reviews

Food

6.7

Boarding

7.6

Overall

7.6

Comfort

7.3

Crew

8.1

Entertainment

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Air Canada
7.0
Good
9,242 reviews
Austrian Airlines
7.6
Good
780 reviews

Food

6.7

Boarding

7.6

Overall

7.6

Comfort

7.3

Crew

8.1

Entertainment

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

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 American Airlines. Our recent data shows that you can find tickets from as low as $646 on this airline. Additional options worth looking into are Air Canada and British Airways, starting at $690 and $691 round-trip. American Airlines is 44% 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 $686. Users have also found prices from $734 and $763 on Air Canada and Lufthansa, 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 $1,478). 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 2 airlines flying from Seattle to Cologne

Discover the top 2 airlines 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$612Average$841FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$616Average$867FlexibilityNo cancel feeOn-time70%

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