Question 1

What is the cheapest flight from Cologne to Washington, D.C. Dulles Intl Airport?

Accepted Answer

In the last 3 days, the lowest price for a flight from Cologne to Washington, D.C. Dulles Intl Airport was $493 for a one-way ticket and $704 for a round-trip. <a href='/flight-routes/Cologne-Koeln-Bonn-CGN/Washington-Dulles-Intl-IAD'>Visit our flight page for the latest deals!>/a>

Question 2

Do I need a passport to fly between Cologne and Washington, D.C.?

Accepted Answer

Yes, you’ll need a passport to travel to Washington, D.C. from Cologne. <a href='/flight-routes/Cologne-Koeln-Bonn-CGN/Washington-Dulles-Intl-IAD'>Visit our flight page for the latest deals!>/a>

Question 3

Which airports will I be using when flying from Cologne to Washington, D.C.?

Accepted Answer

When flying out of Cologne you will be using Cologne Köln/Bonn. You will be landing at Washington, D.C., also known as Washington, D.C. Dulles Intl. <a href='/flight-routes/Cologne-Koeln-Bonn-CGN/Washington-Dulles-Intl-IAD'>Visit our flight page for the latest deals!>/a>

Question 4

Which aircraft models fly most regularly from Cologne to Washington, D.C.?

Accepted Answer

We unfortunately don’t have that data for this specific route.

Question 5

What is the cheapest month to fly from Cologne to Washington, D.C. Dulles Intl Airport?

Accepted Answer

The cheapest month for flights from Cologne to Washington, D.C. Dulles Intl Airport is January, where tickets cost $0 (return) on average. On the other hand, the most expensive months are July and March, where the average cost of round-trip tickets is $1,122 and $917 respectively.

Question 6

What is the cheapest month to fly from Cologne to Washington, D.C. Dulles Intl Airport?

Accepted Answer

The cheapest month for flights from Cologne to Washington, D.C. Dulles Intl Airport is January, where tickets cost $0 (return) on average. On the other hand, the most expensive months are July and March, where the average cost of round-trip tickets is $1,122 and $917 respectively.

Question 7

How does KAYAK find such low prices on flights from Cologne to Washington, D.C.?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Cologne to Washington, D.C.. <a href='/flight-routes/Cologne-Koeln-Bonn-CGN/Washington-Dulles-Intl-IAD'>Visit our flight page for the latest deals!>/a>

Question 8

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Cologne to Washington, D.C.?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from Cologne is likely to change within 7 days, so travelers know whether to wait or book now. <a href='/flight-routes/Cologne-Koeln-Bonn-CGN/Washington-Dulles-Intl-IAD'>Visit our flight page for the latest deals!>/a>

Question 9

What is the Hacker Fare option on flights from Cologne to Washington, D.C.?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington, D.C. with an airline and back to Cologne with another airline. Booking your flights between Cologne and IAD can sometimes prove cheaper using this method. <a href='/flight-routes/Cologne-Koeln-Bonn-CGN/Washington-Dulles-Intl-IAD'>Visit our flight page for the latest deals!>/a>

Question 10

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Cologne to Washington, D.C.?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington, D.C. from Cologne up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/Cologne-Koeln-Bonn-CGN/Washington-Dulles-Intl-IAD'>Visit our flight page for the latest deals!>/a>

Question 11

Which airlines provide the cheapest flights from Cologne to Washington, D.C.?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from Cologne to Washington, D.C. were found on Lufthansa ($707) and Air Canada ($783).

Question 12

Which airlines provide the cheapest flights from Cologne to Washington, D.C.?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from Cologne to Washington, D.C. were found on Lufthansa ($707) and Air Canada ($783).

Question 13

What are the most popular airlines flying to Dulles Intl?

Accepted Answer

The most popular airline among KAYAK users flying to Dulles Intl is Lufthansa, followed by United Airlines and Delta.

Low season	September
High season	August
Cheapest flight	$493

CGN - IAD

$493 Find Cheap Flights from Cologne to Washington, D.C.

KAYAK searches hundreds of travel sites at once for deals on flights to Washington, D.C. Dulles Intl Airport

Everything you should know

Cheap Flights from Cologne to Dulles Intl (CGN-IAD)

Recent round-trip flight deals from Cologne to Dulles Intl

Recent one-way flight deals from Cologne to Dulles Intl

Recent last minute flight deals from Cologne to Dulles Intl

KAYAK's insights & trends for Cologne to Dulles Intl flights

Get data-powered insights and trends into flights from Cologne to Dulles Intl to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Cologne to Washington, D.C. Dulles Intl Airport?

The cheapest month for flights from Cologne to Washington, D.C. Dulles Intl Airport is January, where tickets cost $0 (return) on average. On the other hand, the most expensive months are July and March, where the average cost of round-trip tickets is $1,122 and $917 respectively.

Which airlines provide the cheapest flights from Cologne to Washington, D.C.?

In the past 3 days, the cheapest round-trip tickets from Cologne to Washington, D.C. were found on Lufthansa ($707) and Air Canada ($783).

Good to know

When to book flights from Cologne to Dulles Intl

FAQs for booking Cologne to Washington, D.C. flights

What is the cheapest flight from Cologne to Washington, D.C. Dulles Intl Airport?

In the last 3 days, the lowest price for a flight from Cologne to Washington, D.C. Dulles Intl Airport was $493 for a one-way ticket and $704 for a round-trip.

Do I need a passport to fly between Cologne and Washington, D.C.?

Yes, you’ll need a passport to travel to Washington, D.C. from Cologne.

Which airports will I be using when flying from Cologne to Washington, D.C.?

When flying out of Cologne you will be using Cologne Köln/Bonn. You will be landing at Washington, D.C., also known as Washington, D.C. Dulles Intl.

Which aircraft models fly most regularly from Cologne to Washington, D.C.?

We unfortunately don’t have that data for this specific route.

How does KAYAK find such low prices on flights from Cologne to Washington, D.C.?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Cologne to Washington, D.C..

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Cologne to Washington, D.C.?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from Cologne is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Cologne to Washington, D.C.?

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Cologne to Washington, D.C.?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington, D.C. from Cologne up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Cologne to Dulles Intl

Information on your arrival and departure airports

Cabin class types available on flights to Dulles Intl

Complete your trip to Washington, D.C. with a hotel stay or car rental

Find direct flights to and from Cologne and Dulles Intl

Flights to other popular destinations

Flights from domestic origins to Dulles Intl

Choose which airport to fly into in Washington, D.C.

Find deals for your return flight