HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Cologne

$619+ Cheap flights from Seattle (SEA) to Cologne (CGN)

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CGN
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Cologne 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 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 15, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$619
(American Airlines)

Popular in

December

Cheapest in

March

Average price

$707
Provider with most accurate pricing for Seattle/Tacoma Intl-Cologne Köln/Bonn flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Cologne Köln/Bonn flights.
Search Deals
From Seattle/Tacoma Intl to Cologne Köln/Bonn
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($353 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($105 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 15, 2025.

This American Airlines deal was found by Cheapflights users on 4/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/51:30 pmSEA - CGN
1 stop22h 00mAmerican Airlines
Tue 5/133:30 pmCGN - SEA
1 stop29h 05mAmerican Airlines
Deal found 4/13$619
This British Airways deal was found by Cheapflights users on 4/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/128:20 pmSEA - CGN
1 stop15h 10mBritish Airways
Wed 5/2810:15 pmCGN - SEA
1 stop22h 20mBritish Airways
Deal found 4/14$622
This Gotogate deal was found by Cheapflights users on 4/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/511:30 amSEA - CGN
2 stops20h 35mAir Canada
Tue 5/136:50 amCGN - SEA
2 stops21h 47mAir Canada
Deal found 4/15$627
This FlightHub deal was found by Cheapflights users on 4/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/122:55 pmSEA - CGN
2 stops17h 10mMultiple Airlines
Wed 5/288:35 amCGN - SEA
1 stop17h 24mMultiple Airlines
Deal found 4/14$658
This United Airlines deal was found by Cheapflights users on 4/14. 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.
Mon 5/129:10 amSEA - CGN
2 stops18h 05mUnited Airlines
Wed 5/2812:55 pmCGN - SEA
1 stop13h 04mUnited Airlines
Deal found 4/14$679
This FlightHub deal was found by Cheapflights users on 4/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/26:50 pmSEA - CGN
1 stop12h 00mLufthansa
Fri 5/96:05 amCGN - SEA
2 stops15h 20mLufthansa
Deal found 4/14$726
This Austrian Airlines deal was found by Cheapflights users on 4/14. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/127:00 amSEA - CGN
2 stops27h 40mAustrian Airlines
Wed 5/288:25 pmCGN - SEA
2 stops33h 16mAustrian Airlines
Deal found 4/14$1,020
This oojo deal was found by Cheapflights users on 4/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/127:10 pmSEA - CGN
1 stop33h 40mTurkish Airlines
Mon 6/162:50 pmCGN - SEA
1 stop28h 45mTurkish Airlines
Deal found 4/14$4,367

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 15, 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

Mon 5/5

1:30 pm-8:30 pm

1 stop22h 00m

Cologne Köln/Bonn

Tue 5/13

3:30 pm-11:35 am

1 stop29h 05m

$619

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Mon 5/12

8:20 pm-8:30 pm

1 stop15h 10m

Cologne Köln/Bonn

Wed 5/28

10:15 pm-11:35 am

1 stop22h 20m

$622

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Mon 5/5

11:30 am-5:05 pm

2 stops20h 35m

Cologne Köln/Bonn

Tue 5/13

6:50 am-7:37 pm

2 stops21h 47m

$627

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Mon 5/12

2:55 pm-5:05 pm

2 stops17h 10m

Cologne Köln/Bonn

Wed 5/28

8:35 am-4:59 pm

1 stop17h 24m

$658

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Mon 5/12

9:10 am-12:15 pm

2 stops18h 05m

Cologne Köln/Bonn

Wed 5/28

12:55 pm-4:59 pm

1 stop13h 04m

$679

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 5/2

6:50 pm-3:50 pm

1 stop12h 00m

Cologne Köln/Bonn

Fri 5/9

6:05 am-12:25 pm

2 stops15h 20m

$726

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Mon 5/12

7:00 am-7:40 pm

2 stops27h 40m

Cologne Köln/Bonn

Wed 5/28

8:25 pm-8:41 pm

2 stops33h 16m

$1,020

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Thu 6/12

7:10 pm-1:50 pm

1 stop33h 40m

Cologne Köln/Bonn

Mon 6/16

2:50 pm-10:35 am

1 stop28h 45m

$4,367

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Thu 5/29

1:30 pm-1:35 pm

1 stop15h 05m

$653

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Fri 6/13

8:20 pm-9:15 am

1 stop27h 55m

$714

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 12 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
AranGrantPrice 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Seattle-Cologne flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 15, 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 15, 2025.
Austrian Airlines
7.6
Good
775 reviews

Overall

7.6

Boarding

7.6

Entertainment

6.8

Crew

8.1

Comfort

7.3

Food

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
775 reviews
Austrian Airlines
7.6
Good
775 reviews

Overall

7.6

Boarding

7.6

Entertainment

6.8

Crew

8.1

Comfort

7.3

Food

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
8,658 reviews
Austrian Airlines
7.6
Good
775 reviews

Overall

7.6

Boarding

7.6

Entertainment

6.8

Crew

8.1

Comfort

7.3

Food

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
3,760 reviews
Austrian Airlines
7.6
Good
775 reviews

Overall

7.6

Boarding

7.6

Entertainment

6.8

Crew

8.1

Comfort

7.3

Food

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
775 reviews

Overall

7.6

Boarding

7.6

Entertainment

6.8

Crew

8.1

Comfort

7.3

Food

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
9,127 reviews
Austrian Airlines
7.6
Good
775 reviews

Overall

7.6

Boarding

7.6

Entertainment

6.8

Crew

8.1

Comfort

7.3

Food

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 $619 on this airline. Additional options worth looking into are British Airways and Air Canada, starting at $622 and $627 round-trip. American Airlines 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 $653. Users have also found prices from $720 and $750 on American Airlines and United 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 $1,478). 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.

See more FAQs

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 for Seattle to Cologne

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Frankfurt flights
Seattle to Berlin flights
Seattle to Munich flights
Portland to Berlin flights
Seattle to Hamburg flights
Portland to Frankfurt flights
Seattle to Duesseldorf Intl flights
Portland to Munich flights
Seattle to Frankfurt-Hahn flights
Seattle to Bremen flights
Spokane to Frankfurt flights
Seattle to Stuttgart flights
Portland to Hamburg flights
Seattle to Nuremberg flights
Seattle to Hannover flights
Spokane to Berlin flights
Spokane to Munich flights
Portland to Stuttgart flights
Portland to Cologne flights
Seattle to Dresden flights
Seattle to Leipzig flights
Portland to Bremen flights
Pasco to Frankfurt flights
Seattle to Memmingen flights
Portland to Dresden flights
Pasco to Berlin flights
Portland to Duesseldorf Intl flights
Spokane to Stuttgart flights
Seattle to Friedrichshafen flights
Portland to Nuremberg flights
Seattle to Dortmund flights
Spokane to Duesseldorf Intl flights
Portland to Dortmund flights
Pullman to Frankfurt flights
Pasco to Stuttgart flights
Pasco to Nuremberg flights
Pasco to Hannover flights
Spokane to Hannover flights
Bellingham to Frankfurt flights

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 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$612Average$841FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$616Average$867FlexibilityNo cancel feeOn-time70%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.