What is the cheapest airline that flies from Washington, D.C. to Cologne Köln/Bonn?

British Airways, Air Canada, and United Airlines are the most popular carriers operating from Washington, D.C. to Cologne Köln/Bonn

How long does it take to fly to Cologne?

Flight times vary depending on what airport in Washington, D.C. you fly out of and what airport in Cologne you fly into. For example, flying from Washington, D.C. to Cologne takes 13h 45m on average. On the other hand, flying from Baltimore to Cologne takes 13h 45m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

Which layover airport offers the lowest fares from Washington, D.C. to Cologne?

Flights via Frankfurt am Main (FRA) offer the lowest average round-trip price of $688.

Which airport is the most popular layover for flights between Washington, D.C. and Cologne?

Frankfurt am Main (FRA) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to Cologne?

Lufthansa, United Airlines and Icelandair are the top three most popular airlines that fly to Cologne from Washington, D.C. according to our data. Lufthansa is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Cologne. Keep in mind that there are 13 different airlines that fly to Cologne on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest travel time from Washington, D.C. to Cologne?

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 9h 43m.

Which layover airport has the shortest connection time from Washington, D.C. to Cologne?

Frankfurt am Main (FRA) has the shortest average layover time for this route: 1h 22m.

When did momondo last update prices for flights from Washington, D.C. to Cologne Köln/Bonn Airport?

Prices for flights from Washington, D.C. to Cologne Köln/Bonn Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Washington, D.C. to Cologne Köln/Bonn Airport?

There are 3 operators available for flights from Washington, D.C. to Cologne Köln/Bonn Airport as of September 2025.

How old do you have to be to fly from Washington, D.C. to Cologne Köln/Bonn Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Cologne Köln/Bonn Airport.

What documentation or ID do you need to fly to Cologne Köln/Bonn Airport?

The travel and health documents you'll need for your trip to Cologne Köln/Bonn Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Cologne Köln/Bonn Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$330 Cheap Flights from Washington, D.C. to Cologne in 2025/26

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Find the cheapest flights from Washington, D.C. to Cologne

Round-trip

One-way

Last minute

Cheap round-trip flights

5:00 pm - 8:35 pmIAD-CGN

21h 35m2 stops

12:55 pm - 3:20 pmCGN-IAD

32h 25m2 stops

$489Multiple Airlines

Find Deal

Tue, Oct 14 - Tue, Oct 21

5:00 pm - 11:10 pmIAD-CGN

24h 10m3 stops

12:55 pm - 3:20 pmCGN-IAD

32h 25m2 stops

$560Multiple Airlines

Find Deal

Tue, Oct 14 - Tue, Oct 21

9:40 pm - 1:50 pmIAD-CGN

34h 10m1 stop

7:10 pm - 7:45 pmCGN-IAD

30h 35m1 stop

$599Turkish Airlines

Find Deal

Tue, Oct 14 - Tue, Oct 21

2:30 pm - 10:35 amIAD-CGN

15h 05m1 stop

11:35 am - 7:15 pmCGN-IAD

37h 40m1 stop

$608Turkish Airlines

Find Deal

Wed, Oct 29 - Wed, Nov 12

9:35 pm - 2:20 pmBWI-CGN

10h 45m1 stop

5:15 pm - 6:45 pmCGN-BWI

31h 30m1 stop

$673British Airways

Find Deal

Mon, Oct 20 - Mon, Nov 3

9:35 pm - 4:10 pmBWI-CGN

13h 35m1 stop

5:15 pm - 6:45 pmCGN-BWI

31h 30m1 stop

$678British Airways

Find Deal

Wed, Oct 29 - Wed, Nov 12

11:55 pm - 5:10 pmIAD-CGN

12h 15m1 stop

9:10 am - 8:05 pmCGN-IAD

16h 55m1 stop

$714United Airlines

Find Deal

Fri, Oct 31 - Fri, Nov 7

11:55 pm - 5:15 pmIAD-CGN

12h 20m1 stop

1:35 pm - 11:59 pmCGN-IAD

16h 24m2 stops

$723United Airlines

Find Deal

Thu, Oct 30 - Thu, Nov 6

6:25 pm - 12:50 pmIAD-CGN

13h 25m2 stops

1:20 pm - 8:05 pmCGN-IAD

12h 45m1 stop

$744Lufthansa

Find Deal

Wed, Oct 29 - Wed, Nov 12

10:23 pm - 12:35 pmIAD-CGN

33h 12m2 stops

1:20 pm - 8:05 pmCGN-IAD

12h 45m1 stop

$746Lufthansa

Find Deal

Wed, Oct 29 - Wed, Nov 12

Air Canada flights from Washington, D.C. to Cologne

Our best Air Canada deals on Washington, D.C. to Cologne flight tickets

Air Canada

Oct 29

DCA4:40 pmWashington, D.C. Reagan-National

14h 30m

2 stops

CGN12:10 pmCologne Köln/Bonn

Nov 12

CGN8:40 amCologne Köln/Bonn

15h 25m

2 stops

DCA6:05 pmWashington, D.C. Reagan-National

$706

Find similar

Air Canada

Oct 29

DCA4:40 pmWashington, D.C. Reagan-National

14h 30m

2 stops

CGN12:10 pmCologne Köln/Bonn

Nov 12

CGN8:40 amCologne Köln/Bonn

15h 25m

2 stops

DCA6:05 pmWashington, D.C. Reagan-National

$707

Find similar

Air Canada

Oct 30

DCA6:59 amWashington, D.C. Reagan-National

33h 16m

2 stops

CGN9:15 pmCologne Köln/Bonn

Nov 6

CGN8:40 amCologne Köln/Bonn

19h 16m

2 stops

DCA9:56 pmWashington, D.C. Reagan-National

$721

Find similar

Lufthansa flights from Washington, D.C. to Cologne

Our best Lufthansa deals on Washington, D.C. to Cologne flight tickets

Lufthansa

Oct 29

IAD6:25 pmWashington, D.C. Dulles Intl

13h 25m

2 stops

CGN12:50 pmCologne Köln/Bonn

Nov 12

CGN1:20 pmCologne Köln/Bonn

12h 45m

1 stop

IAD8:05 pmWashington, D.C. Dulles Intl

$744

Find similar

Lufthansa

Oct 29

IAD10:23 pmWashington, D.C. Dulles Intl

33h 12m

2 stops

CGN12:35 pmCologne Köln/Bonn

Nov 12

CGN1:20 pmCologne Köln/Bonn

12h 45m

1 stop

IAD8:05 pmWashington, D.C. Dulles Intl

$746

Find similar

Lufthansa

Oct 13

IAD10:20 pmWashington, D.C. Dulles Intl

11h 30m

1 stop

CGN3:50 pmCologne Köln/Bonn

Oct 20

CGN8:35 amCologne Köln/Bonn

18h 40m

2 stops

IAD9:15 pmWashington, D.C. Dulles Intl

$762

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Tue 10/14

5:00 pm-8:35 pm

2 stops21h 35m

Cologne Köln/Bonn

Tue 10/21

12:55 pm-3:20 pm

2 stops32h 25m

$489

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Tue 10/14

5:00 pm-11:10 pm

3 stops24h 10m

Cologne Köln/Bonn

Tue 10/21

12:55 pm-3:20 pm

2 stops32h 25m

$560

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Tue 10/14

9:40 pm-1:50 pm

1 stop34h 10m

Cologne Köln/Bonn

Tue 10/21

7:10 pm-7:45 pm

1 stop30h 35m

$599

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Wed 10/29

2:30 pm-10:35 am

1 stop15h 05m

Cologne Köln/Bonn

Wed 11/12

11:35 am-7:15 pm

1 stop37h 40m

$608

BaltimoreCologne

BWI - CGN

BWICGN

Baltimore/Washington

Mon 10/20

9:35 pm-2:20 pm

1 stop10h 45m

Cologne Köln/Bonn

Mon 11/3

5:15 pm-6:45 pm

1 stop31h 30m

$673

BaltimoreCologne

BWI - CGN

BWICGN

Baltimore/Washington

Wed 10/29

9:35 pm-4:10 pm

1 stop13h 35m

Cologne Köln/Bonn

Wed 11/12

5:15 pm-6:45 pm

1 stop31h 30m

$678

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Fri 10/31

11:55 pm-5:10 pm

1 stop12h 15m

Cologne Köln/Bonn

Fri 11/7

9:10 am-8:05 pm

1 stop16h 55m

$714

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Thu 10/30

11:55 pm-5:15 pm

1 stop12h 20m

Cologne Köln/Bonn

Thu 11/6

1:35 pm-11:59 pm

2 stops16h 24m

$723

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Wed 10/29

6:25 pm-12:50 pm

2 stops13h 25m

Cologne Köln/Bonn

Wed 11/12

1:20 pm-8:05 pm

1 stop12h 45m

$744

Washington, D.C.Cologne

IAD - CGN

IADCGN

Washington, D.C. Dulles Intl

Wed 10/29

10:23 pm-12:35 pm

2 stops33h 12m

Cologne Köln/Bonn

Wed 11/12

1:20 pm-8:05 pm

1 stop12h 45m

$746

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How to get the cheapest flight ticket from Washington, D.C. to Cologne

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

Other information

What is the typical price of a round-trip flight between Washington, D.C. and Cologne?

What is the cheapest month to fly to Cologne?

The cheapest month to fly to Cologne from Washington, D.C. is in February. Flight prices, which tend to average around $639, are often lower during this time because this is during the off-season. If you are unable to visit Cologne during the month of February, then departing from Washington, D.C. during the month January is also very affordable. Most momondo users find prices during this month for around $721.

What is the cheapest day to depart on your flight to Cologne?

The cheapest day to depart from Washington, D.C. to Cologne is on a Saturday when prices can be found for as low as $773. On the other hand, Thursday is the most expensive day to depart from Washington, D.C. because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,064.

What is the cheapest time of day to depart on your flight to Cologne?

The cheapest time of day to fly to Cologne is in the evening when flights can be purchased for as low as $912. In the afternoon is when there is more demand to fly to Cologne, so prices are often more expensive at around $967 per ticket.

Can stopping save me money on Washington, D.C. to Cologne flights?

You could potentially save up to 43% on your flight if you consider stops on a Washington, D.C. to Cologne flight.

When to book flights from Washington, D.C. to Cologne

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Cologne according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. to Cologne (WAS to CGN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Cologne

Direct flights	None

There are no direct flights from Washington, D.C. to Cologne. There are no popular flight routes from Washington, D.C. to Cologne.

Search flight deals

How far is Washington, D.C. to Cologne Köln/Bonn by plane?
Washington, D.C. and Cologne Köln/Bonn are 3962.0 mi apart from one another. 10h 00m is a normal flight duration for this route.
When did momondo last update prices for flights from Washington, D.C. to Cologne Köln/Bonn Airport?
Prices for flights from Washington, D.C. to Cologne Köln/Bonn Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. to Cologne Köln/Bonn Airport?
There are 3 operators available for flights from Washington, D.C. to Cologne Köln/Bonn Airport as of September 2025.
How old do you have to be to fly from Washington, D.C. to Cologne Köln/Bonn Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Cologne Köln/Bonn Airport.
What documentation or ID do you need to fly to Cologne Köln/Bonn Airport?
The travel and health documents you'll need for your trip to Cologne Köln/Bonn Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Cologne Köln/Bonn Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Washington, D.C. to Cologne?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. to Cologne is British Airways (45% of total bookings). The next most popular airlines are Lufthansa (33%) and United Airlines (21%).

Best airlines flying from Washington, D.C. to Cologne

Compare and see reviews for airlines that fly from Washington, D.C. to Cologne with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $621	Free Cancellation	Rating 6.7 7,367 reviews	Search British Airways flights
Lufthansa	PriceFrom $678	Free Cancellation	Rating 6.8 7,409 reviews	Search Lufthansa flights
United Airlines	PriceFrom $757	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Cologne?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Cologne. momondo saves you time and could save you money on your trip.

Can I find flights from Washington, D.C. to Cologne with flexible booking policies on momondo?

Yes. All flights to Cologne from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington, D.C. to Cologne?

Once you have performed a search for Washington, D.C. to Cologne flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington, D.C. to Cologne right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. to Cologne flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Washington, D.C. to Cologne from $330

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Cologne departing on 9/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Find the cheapest flights from Washington, D.C. to Cologne

Cheap round-trip flights

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Air Canada flights from Washington, D.C. to Cologne

Our best Air Canada deals on Washington, D.C. to Cologne flight tickets

Lufthansa flights from Washington, D.C. to Cologne

Our best Lufthansa deals on Washington, D.C. to Cologne flight tickets

momondo Fare Finder

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

See travel insights to Cologne from

How to get the cheapest flight ticket from Washington, D.C. to Cologne

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Washington, D.C. and Cologne?

What is the cheapest month to fly to Cologne?

What is the cheapest day to depart on your flight to Cologne?

What is the cheapest time of day to depart on your flight to Cologne?

The cheapest time of day to fly to Cologne is in the evening when flights can be purchased for as low as $912. In the afternoon is when there is more demand to fly to Cologne, so prices are often more expensive at around $967 per ticket.

Can stopping save me money on Washington, D.C. to Cologne flights?

You could potentially save up to 43% on your flight if you consider stops on a Washington, D.C. to Cologne flight.

What is the cheapest airline that flies from Washington, D.C. to Cologne Köln/Bonn?

British Airways, Air Canada, and United Airlines are the most popular carriers operating from Washington, D.C. to Cologne Köln/Bonn

What airlines fly to Cologne?

Which airport is the most popular layover for flights between Washington, D.C. and Cologne?

Frankfurt am Main (FRA) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Washington, D.C. to Cologne?

Flights via Frankfurt am Main (FRA) offer the lowest average round-trip price of $688.

Which layover airport has the shortest travel time from Washington, D.C. to Cologne?

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 9h 43m.

Which layover airport has the shortest connection time from Washington, D.C. to Cologne?

Frankfurt am Main (FRA) has the shortest average layover time for this route: 1h 22m.

How long does it take to fly to Cologne?

When to book flights from Washington, D.C. to Cologne

Cheap Washington, D.C. to Cologne (WAS to CGN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Cologne

Direct flights

How far is Washington, D.C. to Cologne Köln/Bonn by plane?

When did momondo last update prices for flights from Washington, D.C. to Cologne Köln/Bonn Airport?

How many operators does momondo search for flights from Washington, D.C. to Cologne Köln/Bonn Airport?

How old do you have to be to fly from Washington, D.C. to Cologne Köln/Bonn Airport?

What documentation or ID do you need to fly to Cologne Köln/Bonn Airport?

What is the most popular airline from Washington, D.C. to Cologne?

Best airlines flying from Washington, D.C. to Cologne

Compare and see reviews for airlines that fly from Washington, D.C. to Cologne with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Cologne?

Can I find flights from Washington, D.C. to Cologne with flexible booking policies on momondo?

How can momondo help me find flights from Washington, D.C. to Cologne?

I’m not ready to book a flight from Washington, D.C. to Cologne right now. Can momondo alert me if prices change?

An easier way to manage your Cologne trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Germany

Airports servicing Germany