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Cologne

$420+ 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 5/8. 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 Washington to Cologne

Keep the following information in mind while searching for Washington to Cologne flight deals. Data was 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

$420
(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 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. 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 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 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 American Airlines deal was found by Cheapflights users on 4/28. 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 05mAmerican Airlines
Thu 10/3011:35 amCGN - PDX
2 stops19h 38mAmerican Airlines
Deal found 4/28$920
This Gurufare deal was found by Cheapflights users on 4/28. 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 Gurufare 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 4/28$935
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.
Thu 8/287:25 pmPDX - CGN
1 stop16h 45mMultiple Airlines
Wed 9/1010:15 pmCGN - PDX
1 stop28h 20mMultiple Airlines
Deal found 4/29$957
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
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Sat 5/1010:51 amPDX - CGN
3 stops21h 14mUnited Airlines
Fri 5/1612:55 pmCGN - PDX
2 stops18h 41mUnited Airlines
Deal found 4/28$2,327

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 April 30, 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

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

PortlandCologne

PDX - CGN

PDXCGN

Portland

Sat 5/3

7:25 pm-11:10 am

1 stop30h 45m

Cologne Köln/Bonn

Fri 5/9

6:00 pm-12:15 pm

2 stops51h 15m

$1,296

PortlandCologne

PDX - CGN

PDXCGN

Portland

Thu 6/12

10:29 am-1:35 pm

2 stops18h 06m

Cologne Köln/Bonn

Thu 6/19

10:15 am-5:35 pm

1 stop16h 20m

$1,342

PortlandCologne

PDX - CGN

PDXCGN

Portland

Sat 5/10

10:51 am-5:05 pm

3 stops21h 14m

Cologne Köln/Bonn

Fri 5/16

12:55 pm-10:36 pm

2 stops18h 41m

$2,327

PortlandCologne

PDX - CGN

PDXCGN

Portland

Thu 5/8

3:20 pm-12:45 am

2 stops24h 25m

$420

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 18 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 $1,478). 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 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 April 30, 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 April 30, 2025.
Peruse reviews from past customers who have flown with Austrian Airlines, United Airlines and Turkish 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.
Austrian Airlines
7.6
Good
780 reviews

Overall

7.6

Crew

8.1

Food

6.7

Boarding

7.6

Comfort

7.3

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

Overall

7.6

Crew

8.1

Food

6.7

Boarding

7.6

Comfort

7.3

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

Overall

7.6

Crew

8.1

Food

6.7

Boarding

7.6

Comfort

7.3

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

Overall

7.6

Crew

8.1

Food

6.7

Boarding

7.6

Comfort

7.3

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

Overall

7.6

Crew

8.1

Food

6.7

Boarding

7.6

Comfort

7.3

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

Overall

7.6

Crew

8.1

Food

6.7

Boarding

7.6

Comfort

7.3

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 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 British Airways, with whom users have recently found tickets for as low as $686. However, be on the lookout for offers from Air Canada and Lufthansa, 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 $1,478). 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

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Top 2 airlines flying from Washington to Cologne

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

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