What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Cologne?

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Cologne (average of $649). Flying from Washington, D.C. Reagan-National Airport 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 month to fly from Washington, D.C. Reagan-National Airport to Cologne?

The best pricing can be found in the month of February. Prices to Cologne from Washington, D.C. Reagan-National Airport average $892. You can even find prices in February for less than $892, as users have found deals to Cologne from as low as $491. The month of December appears to be one of the more expensive times to travel to Cologne from Washington, D.C. Reagan-National Airport. Flying in the targeted month can save you up to 53%.

What is the cheapest time of day to fly from DCA to CGN?

When flying from Washington, D.C. Reagan-National Airport 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.

Most accurate provider : When it comes to deals on Washington, D.C. Reagan-National Airport-Cologne flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C. Reagan-National Airport-Cologne flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Cologne flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C. Reagan-National Airport-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 Washington, D.C. Reagan-National Airport-Cologne flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to Cologne from Washington, D.C. Reagan-National?

Most people fly into Cologne Köln/Bonn (CGN) if they book a flight to Cologne from Washington, D.C. Reagan-National. On average, Köln/Bonn has 0 inbound flights from Washington, D.C. Reagan-National per day from 1 airline. Cologne Köln/Bonn is conveniently located just 9.5 mi from Cologne’s city center.

Can I find deals for flights from Reagan-National to Cologne that include hotel bookings?

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

How can I find direct flights from Reagan-National to Cologne?

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

Can I find deals for business class flights from Reagan-National to Cologne?

Yes. Cheapflights offers flight deals from Reagan-National 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.

$337+ Flights from Washington, D.C. Reagan-National Airport to Cologne

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Cheap flight deals from Reagan-National to Cologne

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 1 star
Round-trip from	$656 (British Airways)
One-way from	$337 (Mytrip)
Popular in	December
Cheapest in	February
Average price	$805

Provider with most accurate pricing for Washington, D.C. Reagan-National-Cologne Köln/Bonn flight deals.

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Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Cologne Köln/Bonn flights.

Search Deals

From Washington, D.C. Reagan-National to Cologne Köln/Bonn

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One-way flight from Washington, D.C. Reagan-National to Cologne Köln/Bonn

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Highest demand for flights based on searches. 5% potential increase in price ($50 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($44 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 Reagan-National to Cologne

Cheapest flights from Reagan-National to Cologne
Explore the most affordable flight options available from Reagan-National to Cologne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.

Sun 10/267:45 pmDCA - CGN

2 stops17h 40mBritish Airways

Sun 11/212:25 pmCGN - DCA

2 stops16h 08mBritish Airways

Deal found 3/25

$636

Tue 9/99:40 amDCA - CGN

2 stops19h 30mAir Canada

Wed 9/176:20 amCGN - DCA

2 stops19h 34mAir Canada

Deal found 3/25

$689

Wed 4/167:55 pmDCA - CGN

2 stops19h 05mAmerican Airlines

Tue 4/223:30 pmCGN - DCA

2 stops24h 37mAmerican Airlines

Deal found 3/25

$704

Thu 4/171:12 pmDCA - CGN

2 stops17h 03mUnited Airlines

Fri 5/26:05 amCGN - DCA

2 stops17h 50mUnited Airlines

Deal found 3/25

$822

Thu 4/179:40 amDCA - CGN

2 stops20h 35mMultiple Airlines

Thu 5/112:55 pmCGN - DCA

2 stops14h 58mMultiple Airlines

Deal found 3/25

$972

Best flights from Reagan-National to Cologne
Discover carefully curated flight deals from Reagan-National to Cologne that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 26, 2025.

Fri 5/96:35 amDCA - CGN

2 stops20h 55mBritish Airways

Fri 5/162:20 pmCGN - DCA

2 stops14h 16mBritish Airways

Deal found 3/24

$656

Tue 9/99:40 amDCA - CGN

2 stops19h 30mAir Canada

Wed 9/176:20 amCGN - DCA

2 stops19h 34mAir Canada

Deal found 3/25

$689

Wed 4/167:55 pmDCA - CGN

2 stops19h 05mAmerican Airlines

Tue 4/223:30 pmCGN - DCA

2 stops24h 37mAmerican Airlines

Deal found 3/25

$704

Thu 4/171:12 pmDCA - CGN

2 stops17h 03mUnited Airlines

Fri 5/26:05 amCGN - DCA

2 stops17h 50mUnited Airlines

Deal found 3/25

$822

Thu 4/179:40 amDCA - CGN

2 stops20h 35mMultiple Airlines

Thu 5/112:55 pmCGN - DCA

2 stops14h 58mMultiple Airlines

Deal found 3/25

$972

Last-minute flights from Reagan-National to Cologne
Discover last-minute flight deals from Reagan-National to Cologne. Data last updated March 26, 2025 and is based on user searches.

Tue 3/254:10 pmDCA - CGN

2 stops14h 55mAir Canada

Mon 3/311:35 pmCGN - DCA

2 stops14h 53mAir Canada

Deal found 3/25

$734

Wed 4/26:59 pmDCA - CGN

2 stops20h 01mBritish Airways

Sun 4/610:15 amCGN - DCA

2 stops19h 20mBritish Airways

Deal found 3/25

$659

Wed 4/167:55 pmDCA - CGN

2 stops19h 05mAmerican Airlines

Tue 4/223:30 pmCGN - DCA

2 stops24h 37mAmerican Airlines

Deal found 3/25

$704

Thu 4/171:12 pmDCA - CGN

2 stops17h 03mUnited Airlines

Fri 5/26:05 amCGN - DCA

2 stops17h 50mUnited Airlines

Deal found 3/25

$822

Thu 4/179:40 amDCA - CGN

2 stops20h 35mMultiple Airlines

Thu 5/112:55 pmCGN - DCA

2 stops14h 58mMultiple Airlines

Deal found 3/25

$972

One-way flights from Reagan-National to Cologne
Search for one-way flight options from Reagan-National to Cologne. Find affordable one-way fares based on user searches. Data last updated March 26, 2025.

Mon 5/266:00 amDCA - CGN

3 stops28h 45mMultiple Airlines

Deal found 3/25

$337

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Cologne that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Fri 5/9

6:35 am-9:30 am

2 stops20h 55m

Cologne Köln/Bonn

Fri 5/16

2:20 pm-10:36 pm

2 stops14h 16m

$656

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Wed 4/16

7:55 pm-9:00 pm

2 stops19h 05m

Cologne Köln/Bonn

Tue 4/22

3:30 pm-10:07 am

2 stops24h 37m

$704

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Thu 4/17

1:12 pm-12:15 pm

2 stops17h 03m

Cologne Köln/Bonn

Fri 5/2

6:05 am-5:55 pm

2 stops17h 50m

$822

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Thu 4/17

9:40 am-12:15 pm

2 stops20h 35m

Cologne Köln/Bonn

Thu 5/1

12:55 pm-9:53 pm

2 stops14h 58m

$972

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Sun 6/22

8:40 pm-5:05 pm

2 stops14h 25m

Cologne Köln/Bonn

Sat 6/28

7:40 am-3:48 pm

2 stops14h 08m

$2,914

Washington, D.C.Cologne

DCA - CGN

DCACGN

Washington, D.C. Reagan-National

Mon 5/26

6:00 am-4:45 pm

3 stops28h 45m

$337

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Cologne flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C. Reagan-National Airport-Cologne flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Cologne flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-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 Washington, D.C. Reagan-National Airport-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 Reagan-National to Cologne

Have a flexible travel schedule? Discover the best time to fly to Cologne from Reagan-National 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, D.C. Reagan-National Airport to Cologne

Rainfall in Cologne 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

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

United Airlines

7.4

Good

8,608 reviews

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

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

8,608 reviews

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

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

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

What airport do you fly into for flights to Cologne from Washington, D.C. Reagan-National?
Most people fly into Cologne Köln/Bonn (CGN) if they book a flight to Cologne from Washington, D.C. Reagan-National. On average, Köln/Bonn has 0 inbound flights from Washington, D.C. Reagan-National per day from 1 airline. Cologne Köln/Bonn is conveniently located just 9.5 mi from Cologne’s city center.
Can I find deals for flights from Reagan-National to Cologne that include hotel bookings?
Yes. In addition to deals on Reagan-National to Cologne flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Reagan-National to Cologne?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Cologne.
Can I find deals for business class flights from Reagan-National to Cologne?
Yes. Cheapflights offers flight deals from Reagan-National 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 Washington, D.C. Reagan-National Airport to Cologne?
Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Cologne (average of $649). Flying from Washington, D.C. Reagan-National Airport 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Reagan-National to Cologne

Airline	Cheapest	Average	Flexibility	On-time
Lufthansa	Cheapest$585	Average$688	FlexibilityNo cancel fee	On-time76%

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$337+ Cheap flights from Reagan-National (DCA) 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Reagan-National to Cologne with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Reagan-National to Cologne

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Reagan-National to Cologne

Cheapest flights from Reagan-National to CologneExplore the most affordable flight options available from Reagan-National to Cologne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.

Explore the most affordable flight options available from Reagan-National to Cologne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Cologne that are best for you.

Best time to book a flight from Reagan-National to Cologne

Have a flexible travel schedule? Discover the best time to fly to Cologne from Reagan-National with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Cologne

Rainfall in Cologne by month

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

Temperature in Cologne by month

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

Reviews of airlines servicing Cologne

Related info for your journey

Find useful and relevant information for your journey from Reagan-National 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, D.C. Reagan-National?

Can I find deals for flights from Reagan-National to Cologne that include hotel bookings?

How can I find direct flights from Reagan-National to Cologne?

Can I find deals for business class flights from Reagan-National to Cologne?

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Cologne?

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 Reagan-National to Cologne

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Reagan-National to Cologne

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Reagan-National to Cologne
Explore the most affordable flight options available from Reagan-National to Cologne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.