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Cologne

$422+ Cheap flights from Washington 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 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CGN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Washington to Cologne

Keep the following information in mind while searching for Washington to Cologne flight deals. Data was last updated June 12, 2025.

Round-trip from

$609
(Priceline)

One-way from

$422
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$986
From Washington to Cologne Köln/Bonn
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One-way flight from Washington to Cologne Köln/Bonn
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Highest demand for flights based on searches. 25% potential increase in price ($394 potential increase over avg. RT price).
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Cheapest flight prices on average. 11% potential price decrease ($120 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Washington to Cologne

Cheapest flights from Washington to Cologne
Explore the most affordable flight options available from Washington to Cologne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Priceline deal was found by Cheapflights users on 6/11. 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.
Sun 8/246:50 pmSEA - CGN
1 stop15h 30mLufthansa
Sat 9/66:05 amCGN - SEA
2 stops14h 50mLufthansa
Deal found 6/11$609
This Booking.com deal was found by Cheapflights users on 6/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1912:05 pmSEA - CGN
2 stops38h 05mMultiple Airlines
Sat 8/164:30 pmCGN - SEA
1 stop33h 29mMultiple Airlines
Deal found 6/10$690
This Ovago deal was found by Cheapflights users on 6/12. 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.
Mon 8/113:09 pmSEA - CGN
2 stops20h 21mBritish Airways
Mon 8/189:15 pmCGN - SEA
1 stop22h 55mBritish Airways
Deal found 6/12$706
This Air Canada deal was found by Cheapflights users on 6/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/223:10 pmSEA - CGN
2 stops36h 25mAir Canada
Fri 1/29:00 amCGN - SEA
2 stops33h 16mAir Canada
Deal found 6/10$741
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/207:25 pmPDX - CGN
1 stop16h 05mMultiple Airlines
Thu 10/3011:35 amCGN - PDX
2 stops19h 59mMultiple Airlines
Deal found 6/11$777
This Ovago deal was found by Cheapflights users on 6/12. 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.
Mon 10/207:25 pmPDX - CGN
1 stop16h 05mBritish Airways
Thu 10/306:40 pmCGN - PDX
1 stop30h 55mBritish Airways
Deal found 6/12$787
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/241:55 pmSEA - CGN
2 stops18h 40mUnited Airlines
Thu 7/318:35 amCGN - SEA
2 stops32h 26mUnited Airlines
Deal found 6/10$812
This Air Canada deal was found by Cheapflights users on 6/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/206:15 amPDX - CGN
2 stops25h 50mAir Canada
Thu 10/308:35 amCGN - PDX
3 stops21h 58mAir Canada
Deal found 6/10$1,138
This FlightHub deal was found by Cheapflights users on 6/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/137:10 pmSEA - CGN
1 stop29h 20mTurkish Airlines
Fri 10/177:10 pmCGN - SEA
1 stop24h 25mTurkish Airlines
Deal found 6/9$1,351

Cheapflights Fare Finder

Customize your flight search to find flights from Washington 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 June 12, 2025.
Use the filters below to find and compare flights from Washington to Cologne that are best for you.

Fly from

Washington

Fly to

Cologne

Route

Depart

Return

Price

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sun 8/24

6:50 pm-7:20 pm

1 stop15h 30m

Cologne Köln/Bonn

Sat 9/6

6:05 am-11:55 am

2 stops14h 50m

$609

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Sat 7/19

12:05 pm-11:10 am

2 stops38h 05m

Cologne Köln/Bonn

Sat 8/16

4:30 pm-4:59 pm

1 stop33h 29m

$690

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Mon 8/11

3:09 pm-8:30 pm

2 stops20h 21m

Cologne Köln/Bonn

Mon 8/18

9:15 pm-11:10 am

1 stop22h 55m

$706

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Wed 8/20

12:05 pm-5:05 pm

2 stops20h 00m

Cologne Köln/Bonn

Sun 8/24

1:35 pm-11:00 am

2 stops30h 25m

$750

PortlandCologne

PDX - CGN

PDXCGN

Portland

Mon 10/20

7:25 pm-8:30 pm

1 stop16h 05m

Cologne Köln/Bonn

Thu 10/30

11:35 am-11:34 pm

2 stops19h 59m

$777

PortlandCologne

PDX - CGN

PDXCGN

Portland

Mon 10/20

7:25 pm-8:30 pm

1 stop16h 05m

Cologne Köln/Bonn

Thu 10/30

6:40 pm-5:35 pm

1 stop30h 55m

$787

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Thu 7/24

1:55 pm-5:35 pm

2 stops18h 40m

Cologne Köln/Bonn

Thu 7/31

8:35 am-8:01 am

2 stops32h 26m

$812

PortlandCologne

PDX - CGN

PDXCGN

Portland

Mon 10/20

6:15 am-5:05 pm

2 stops25h 50m

Cologne Köln/Bonn

Thu 10/30

8:35 am-10:33 pm

3 stops21h 58m

$1,138

SeattleCologne

SEA - CGN

SEACGN

Seattle/Tacoma Intl

Wed 7/2

11:30 pm-12:45 am

2 stops40h 15m

$422

PortlandCologne

PDX - CGN

PDXCGN

Portland

Tue 9/23

7:25 pm-9:25 pm

1 stop17h 00m

$709

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 14 results
1
2

Best time to book a flight from Washington to Cologne

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

What is the cheapest month to book a flight from State of Washington to Cologne?

Currently, October is the cheapest month in which you can book a flight from State of Washington to Cologne (average of $649). Flying from State of Washington to Cologne in June is currently the most expensive (average of $1,307). 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 WA to CGN?

Find hourly flight availability from Washington 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 June 12, 2025.

When flying from State of Washington to Cologne, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 June 12, 2025.
Peruse reviews from past customers who have flown with United Airlines, Turkish Airlines and American Airlines from Washington to Cologne to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,790 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.0

Crew

8.1

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
8,790 reviews
United Airlines
7.4
Good
8,790 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.0

Crew

8.1

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??
Turkish Airlines
7.3
Good
3,848 reviews
United Airlines
7.4
Good
8,790 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.0

Crew

8.1

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??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,790 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.0

Crew

8.1

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
7.1
Good
9,537 reviews
United Airlines
7.4
Good
8,790 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.0

Crew

8.1

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
6.8
Okay
7,139 reviews
United Airlines
7.4
Good
8,790 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.0

Crew

8.1

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 Washington to Cologne. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Cologne from Washington?

    For a flight from Washington to Cologne, you will be flying into Köln/Bonn. Cologne Köln/Bonn (CGN) is just 9.5 mi from the center of the city.

  • What are the cheapest airlines to fly from State of Washington to Cologne one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $728. However, be on the lookout for offers from Turkish Airlines and British Airways, as they are both options that can get you from State of Washington to Cologne for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington 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 State of Washington to Cologne?

    Currently, October is the cheapest month in which you can book a flight from State of Washington to Cologne (average of $649). Flying from State of Washington to Cologne in June is currently the most expensive (average of $1,307). 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

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Top airline flying from Washington to Cologne

Discover the top airline that operate flights from Washington 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$578Average$841FlexibilityNo cancel feeOn-time76%

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