Dulles Intl

$341+ Cheap flights from Cologne (CGN) to Dulles Intl (IAD)

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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
CGN — IAD
Jan 26 — Feb 21
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Cheap flight deals from Cologne to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Cologne (CGN) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$497
(Flightnetwork)

One-way from

$341
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$716
Provider with most accurate pricing for Cologne Köln/Bonn-Washington, D.C. Dulles Intl flight deals.
Provider most trusted by Cheapflights users for Cologne Köln/Bonn-Washington, D.C. Dulles Intl flights.
From Cologne Köln/Bonn to Washington, D.C. Dulles Intl
One-way flight from Cologne Köln/Bonn to Washington, D.C. Dulles Intl
High demand for flights, 16% potential price rise
Best time to find cheap flights, 7% potential price drop
Average for round-trip flights in January 2025

Find flight deals from Cologne to Dulles Intl

Cheapest flights from Cologne to Dulles Intl
Explore the most affordable flight options available from Cologne to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Flightnetwork deal was found by Cheapflights users on 1/21. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/1612:25 pmCGN - IAD
1 stop13h 20mBritish Airways
Sat 6/77:25 pmIAD - CGN
1 stop32h 20mBritish Airways
Deal found 1/21$497
This American Airlines deal was found by Cheapflights users on 1/20. 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 3/611:35 amCGN - IAD
1 stop34h 00mAmerican Airlines
Thu 3/1310:55 pmIAD - CGN
1 stop31h 40mAmerican Airlines
Deal found 1/20$510
This Booking.com deal was found by Cheapflights users on 1/21. 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.
Thu 1/3011:35 amCGN - IAD
1 stop14h 10mMultiple Airlines
Mon 2/36:00 pmIAD - CGN
1 stop11h 05mMultiple Airlines
Deal found 1/21$529
This Lufthansa deal was found by Cheapflights users on 1/20. 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.
Fri 2/219:10 amCGN - IAD
1 stop12h 20mLufthansa
Sat 3/110:20 pmIAD - CGN
1 stop12h 50mLufthansa
Deal found 1/20$562
This United Airlines deal was found by Cheapflights users on 1/21. 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 5/2412:55 pmCGN - IAD
2 stops33h 20mUnited Airlines
Sat 6/710:20 pmIAD - CGN
1 stop12h 50mUnited Airlines
Deal found 1/21$585
This Flysmarter deal was found by Cheapflights users on 1/20. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/276:45 amCGN - IAD
2 stops20h 36mAir Canada
Sun 2/23:55 pmIAD - CGN
2 stops14h 10mAir Canada
Deal found 1/20$662
This TAP AIR PORTUGAL deal was found by Cheapflights users on 1/20. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/69:10 amCGN - IAD
3 stops28h 07mTAP AIR PORTUGAL
Thu 3/136:30 pmIAD - CGN
2 stops19h 55mTAP AIR PORTUGAL
Deal found 1/20$1,373
This Cheapflightsfares deal was found by Cheapflights users on 1/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/206:45 amCGN - IAD
2 stops13h 50mSWISS
Mon 4/76:00 pmIAD - CGN
2 stops33h 10mSWISS
Deal found 1/21$1,471
This Gotogate deal was found by Cheapflights users on 1/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/153:10 amCGN - IAD
2 stops55h 00mEgyptair
Sat 6/712:00 pmIAD - CGN
1 stop21h 30mEgyptair
Deal found 1/21$1,765
This oojo deal was found by Cheapflights users on 1/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/2211:45 amCGN - IAD
1 stop37h 45mTurkish Airlines
Wed 1/291:30 pmIAD - CGN
1 stop15h 15mTurkish Airlines
Deal found 1/20$3,606

Find flights from Cologne to Dulles Intl within your budget

Customize your flight search to find flights from Cologne to Dulles Intl 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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Sun 3/16

12:25 pm-8:45 pm

1 stop13h 20m

Washington, D.C. Dulles Intl

Sat 6/7

7:25 pm-9:45 am

1 stop32h 20m

$497

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Thu 3/6

11:35 am-3:35 pm

1 stop34h 00m

Washington, D.C. Dulles Intl

Thu 3/13

10:55 pm-11:35 am

1 stop31h 40m

$510

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Fri 2/21

9:10 am-3:30 pm

1 stop12h 20m

Washington, D.C. Dulles Intl

Sat 3/1

10:20 pm-5:10 pm

1 stop12h 50m

$562

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Sat 5/24

12:55 pm-4:15 pm

2 stops33h 20m

Washington, D.C. Dulles Intl

Sat 6/7

10:20 pm-5:10 pm

1 stop12h 50m

$585

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Thu 3/6

5:55 pm-3:40 pm

3 stops27h 45m

Washington, D.C. Dulles Intl

Thu 3/13

6:10 pm-11:25 pm

3 stops24h 15m

$769

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Thu 4/10

6:20 am-4:08 pm

2 stops15h 48m

Washington, D.C. Dulles Intl

Tue 4/15

4:07 pm-12:15 pm

2 stops14h 08m

$1,172

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Thu 3/6

9:10 am-7:17 am

3 stops28h 07m

Washington, D.C. Dulles Intl

Thu 3/13

6:30 pm-7:25 pm

2 stops19h 55m

$1,373

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Thu 3/20

6:45 am-3:35 pm

2 stops13h 50m

Washington, D.C. Dulles Intl

Mon 4/7

6:00 pm-9:10 am

2 stops33h 10m

$1,471

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Sat 3/15

3:10 am-5:10 am

2 stops55h 00m

Washington, D.C. Dulles Intl

Sat 6/7

12:00 pm-3:30 pm

1 stop21h 30m

$1,765

CologneWashington, D.C.

CGN - IAD

CGNIAD

Cologne Köln/Bonn

Sun 3/16

6:15 pm-1:15 pm

1 stop24h 00m

Washington, D.C. Dulles Intl

Fri 3/21

2:30 pm-10:45 am

1 stop15h 15m

$3,610

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 12 results
1
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Compare providers for flights from Cologne to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Cologne to Dulles Intl in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

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

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Cologne 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.

Travel insights for flights from Cologne to Dulles Intl

Get recent, data-driven insights about flights from Cologne to Dulles Intl including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Cologne to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Cologne to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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.

Rainfall in Dulles Intl by month

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

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

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

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 80.6 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 Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated January 21, 2025.
Peruse reviews from past customers who have flown with British Airways, American Airlines and Lufthansa from Cologne to Washington, D.C. to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
7.5
Good
1,600 reviews

Entertainment

6.8

Boarding

7.6

Crew

8.2

Comfort

7.4

Overall

7.5

Food

7.0

Reviews

1 / 10

Never got on the flight due to my first plane being so delayed

7.5
Good
1,600 reviews
7.5
Good
1,600 reviews

Entertainment

6.8

Boarding

7.6

Crew

8.2

Comfort

7.4

Overall

7.5

Food

7.0

Reviews

1 / 10

Never got on the flight due to my first plane being so delayed

7.4
Good
8,984 reviews
7.5
Good
1,600 reviews

Entertainment

6.8

Boarding

7.6

Crew

8.2

Comfort

7.4

Overall

7.5

Food

7.0

Reviews

1 / 10

Never got on the flight due to my first plane being so delayed

7.3
Good
3,931 reviews
7.5
Good
1,600 reviews

Entertainment

6.8

Boarding

7.6

Crew

8.2

Comfort

7.4

Overall

7.5

Food

7.0

Reviews

1 / 10

Never got on the flight due to my first plane being so delayed

7.2
Good
10,000 reviews
7.5
Good
1,600 reviews

Entertainment

6.8

Boarding

7.6

Crew

8.2

Comfort

7.4

Overall

7.5

Food

7.0

Reviews

1 / 10

Never got on the flight due to my first plane being so delayed

7.2
Good
1,869 reviews
7.5
Good
1,600 reviews

Entertainment

6.8

Boarding

7.6

Crew

8.2

Comfort

7.4

Overall

7.5

Food

7.0

Reviews

1 / 10

Never got on the flight due to my first plane being so delayed

Related info for your journey

Find useful and relevant information for your journey from Cologne to Dulles Intl. 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 from for flights from Cologne to Washington, D.C. Dulles Intl?

    Cologne Köln/Bonn (CGN) is the airport you will fly out of if you book a flight from Cologne to Washington, D.C. Dulles Intl. You should not have trouble finding flights to Washington, D.C. Dulles Intl from Köln/Bonn; the airport handles an average of 0 outbound flights to Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Cologne airport to Washington, D.C. Dulles Intl. It is only a 9.5 mi journey to Köln/Bonn (CGN) from Cologne’s city center.

  • What are the cheapest airlines flying from Cologne to Washington, D.C. Dulles Intl Airport round-trip?

    Cheapflights users have booked flights from Cologne to Washington, D.C. Dulles Intl Airport round-trip from $497. Other airlines that can offer you cheap pricing are American Airlines, from $510, and Lufthansa, from $562. You may be able to fly from Cologne to Washington, D.C. Dulles Intl Airport for 31% less than the average price by searching for these airlines.

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

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

  • How can I find direct flights from Cologne to Dulles Intl?

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

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

    Yes. Cheapflights offers flight deals from Cologne to Dulles Intl 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 Cologne to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Cologne to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Cologne to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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

Traveling to a place near Cologne?

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