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Bonn

$288+ Cheap flights from Dulles Intl (IAD) to Bonn, Germany

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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — FRA
Aug 26 — Sep 21
Tue 8/26
Tue 9/2
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Bonn are usually found in February or January, booked 46 days in advance, depart on a Friday or Monday and return on a Friday

Cheap flight deals from Dulles Intl to Bonn

Keep the following information in mind while searching for Dulles Intl to Bonn flight deals. Data was last updated August 21, 2025.

Round-trip from

$550
(oojo)

One-way from

$315
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$777
From Washington, D.C. Dulles Intl to Bonn
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One-way flight from Washington, D.C. Dulles Intl to Bonn
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Highest demand for flights based on searches. 3% potential increase in price ($30 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Dulles Intl to Bonn

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

This oojo deal was found by Cheapflights users on 8/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1510:05 pmIAD - DUS
1 stop10h 45mScandinavian Airlines
Tue 11/113:25 pmDUS - IAD
1 stop31h 50mScandinavian Airlines
Deal found 8/21$550
This FlightHub deal was found by Cheapflights users on 8/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2510:05 pmIAD - DUS
1 stop30h 25mScandinavian Airlines
Wed 10/2911:50 amDUS - IAD
2 stops35h 25mScandinavian Airlines
Deal found 8/20$557
This oojo deal was found by Cheapflights users on 8/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1010:05 pmIAD - DUS
1 stop10h 45mScandinavian Airlines
Fri 12/1211:50 amDUS - IAD
2 stops37h 00mScandinavian Airlines
Deal found 8/21$572
This Cheapflightsfares deal was found by Cheapflights users on 8/21. 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 9/1110:05 pmIAD - DUS
1 stop10h 45mScandinavian Airlines
Tue 9/166:10 amDUS - IAD
1 stop19h 49mScandinavian Airlines
Deal found 8/21$580
This Booking.com deal was found by Cheapflights users on 8/21. 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.
Mon 11/105:05 pmIAD - DUS
1 stop10h 45mAer Lingus
Thu 11/2010:30 amDUS - IAD
1 stop15h 00mAer Lingus
Deal found 8/21$583
This oojo deal was found by Cheapflights users on 8/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/810:05 pmIAD - DUS
1 stop14h 40mScandinavian Airlines
Fri 9/126:10 amDUS - IAD
1 stop19h 49mScandinavian Airlines
Deal found 8/21$585
This FlightHub deal was found by Cheapflights users on 8/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/108:30 pmIAD - DUS
2 stops32h 40mScandinavian Airlines
Thu 11/2010:10 amDUS - IAD
1 stop13h 05mScandinavian Airlines
Deal found 8/20$587
This Mytrip deal was found by Cheapflights users on 8/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1310:05 pmIAD - DUS
3 stops29h 20mMultiple Airlines
Tue 10/288:45 pmDUS - IAD
2 stops26h 30mMultiple Airlines
Deal found 8/21$589
This Cheapflightsfares deal was found by Cheapflights users on 8/21. 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.
Wed 11/196:20 pmIAD - DUS
1 stop19h 25mBritish Airways
Mon 11/2410:20 amDUS - IAD
1 stop11h 15mBritish Airways
Deal found 8/21$592

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Bonn 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 August 21, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Bonn that are best for you.

Fly from

Dulles Intl

Fly to

Bonn

Route

Depart

Return

Price

Washington, D.C.Düsseldorf

IAD - DUS

IADDUS

Washington, D.C. Dulles Intl

Wed 10/15

10:05 pm-2:50 pm

1 stop10h 45m

Duesseldorf Intl

Tue 11/11

3:25 pm-5:15 pm

1 stop31h 50m

$550

Washington, D.C.Düsseldorf

IAD - DUS

IADDUS

Washington, D.C. Dulles Intl

Sat 10/25

10:05 pm-9:30 am

1 stop30h 25m

Duesseldorf Intl

Wed 10/29

11:50 am-6:15 pm

2 stops35h 25m

$557

Washington, D.C.Düsseldorf

IAD - DUS

IADDUS

Washington, D.C. Dulles Intl

Sat 10/25

10:05 pm-9:30 am

1 stop30h 25m

Duesseldorf Intl

Tue 10/28

7:25 pm-6:15 pm

1 stop27h 50m

$559

Washington, D.C.Düsseldorf

IAD - DUS

IADDUS

Washington, D.C. Dulles Intl

Wed 9/10

10:05 pm-2:50 pm

1 stop10h 45m

Duesseldorf Intl

Fri 12/12

11:50 am-6:50 pm

2 stops37h 00m

$572

Washington, D.C.Düsseldorf

IAD - DUS

IADDUS

Washington, D.C. Dulles Intl

Thu 9/18

10:05 pm-2:50 pm

1 stop10h 45m

Duesseldorf Intl

Thu 9/25

3:25 pm-7:59 pm

1 stop10h 34m

$580

Washington, D.C.Düsseldorf

IAD - DUS

IADDUS

Washington, D.C. Dulles Intl

Thu 9/11

10:05 pm-2:50 pm

1 stop10h 45m

Duesseldorf Intl

Tue 9/16

3:25 pm-7:59 pm

1 stop10h 34m

$580

Washington, D.C.Düsseldorf

IAD - DUS

IADDUS

Washington, D.C. Dulles Intl

Mon 9/15

10:20 pm-8:25 pm

2 stops16h 05m

$288

Washington, D.C.Düsseldorf

IAD - DUS

IADDUS

Washington, D.C. Dulles Intl

Sat 11/1

8:36 pm-4:40 pm

3 stops39h 04m

$315

Washington, D.C.Düsseldorf

IAD - DUS

IADDUS

Washington, D.C. Dulles Intl

Wed 9/3

10:05 pm-10:10 pm

1 stop18h 05m

$402

Washington, D.C.Düsseldorf

IAD - DUS

IADDUS

Washington, D.C. Dulles Intl

Mon 9/15

10:05 pm-10:10 pm

1 stop18h 05m

$402

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Showing 1-10 of 11 results
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Best time to book a flight from Dulles Intl to Bonn

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

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Bonn?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Bonn. Price data was last updated on August 8, 2025.

Booking 46 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to Bonn. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Bonn (average of $729). Flying from Washington, D.C. Dulles Intl Airport to Bonn in June is currently the most expensive (average of $1,089). 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 IAD to BN9?

Find hourly flight availability from Dulles Intl to Bonn. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 21, 2025.

When flying from Washington, D.C. Dulles Intl Airport to Bonn, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Bonn. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Bonn flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Bonn

Explore weekly flight availability from Dulles Intl to Bonn. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 21, 2025.

The most flights from IAD to BN9 are scheduled on a Monday (14 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (11 on average).

Reviews of airlines servicing Bonn

Get insights into the airlines that provide service to Bonn. 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 Bonn. Reviews last updated August 21, 2025.
Read reviews from past customers who have flown Scandinavian Airlines, United Airlines, and Turkish Airlines from Washington, D.C. Dulles Intl Airport to Bonn. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Scandinavian Airlines
7.4
Good
1,471 reviews

Overall

7.4

Boarding

7.6

Crew

8.0

Food

6.6

Entertainment

6.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu
Scandinavian Airlines
7.4
Good
1,471 reviews
Scandinavian Airlines
7.4
Good
1,471 reviews

Overall

7.4

Boarding

7.6

Crew

8.0

Food

6.6

Entertainment

6.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu
United Airlines
7.4
Good
8,930 reviews
Scandinavian Airlines
7.4
Good
1,471 reviews

Overall

7.4

Boarding

7.6

Crew

8.0

Food

6.6

Entertainment

6.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu
Turkish Airlines
7.3
Good
3,950 reviews
Scandinavian Airlines
7.4
Good
1,471 reviews

Overall

7.4

Boarding

7.6

Crew

8.0

Food

6.6

Entertainment

6.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu
Lufthansa
6.8
Okay
7,344 reviews
Scandinavian Airlines
7.4
Good
1,471 reviews

Overall

7.4

Boarding

7.6

Crew

8.0

Food

6.6

Entertainment

6.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu
British Airways
6.7
Okay
7,291 reviews
Scandinavian Airlines
7.4
Good
1,471 reviews

Overall

7.4

Boarding

7.6

Crew

8.0

Food

6.6

Entertainment

6.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Kent,Aug 2025

CPH - SEA

When I got to Copenhagen, my two suitcases were missing from Monday 1030. I got them back Friday after five in the afternoon. My flight from Copenhagen to Seattle did not make the connection from Seattle to Honolulu

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Bonn. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Bonn?

    A quick flight from Washington, D.C. Dulles Intl Airport to Bonn can take about 10h 45m. Scandinavian Airlines provides one of the quickest options available for as low as $550. Washington, D.C. Dulles Intl Airport and Bonn are separated by a distance of 3960 mi.

  • What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Bonn?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Dulles Intl Airport to Bonn on time: Air Canada (50%), United Airlines (50%), Lufthansa (50%).

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Bonn?

    While on average a flight from Washington, D.C. Dulles Intl Airport to Bonn is generally $2,601, our data shows the cheapest flight currently is $376. When looking at the most popular route, (Washington, D.C. Dulles Intl - Duesseldorf Intl), you can expect to pay $511 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Bonn 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. Dulles Intl Airport to Bonn?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Bonn (average of $729). Flying from Washington, D.C. Dulles Intl Airport to Bonn in June is currently the most expensive (average of $1,089). 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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Alternative routes for Dulles Intl to Bonn

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Dulles Intl to Bonn

Discover the top 10 airlines that operate flights from Dulles Intl to Bonn. 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 August 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$254Average$844FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$485Average$749FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$530Average$820FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$541Average$696FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$551Average$1,781FlexibilityNo cancel feeOn-time77%
KLMCheapest$553Average$901FlexibilityNo cancel feeOn-time75%
TAP AIR PORTUGALCheapest$557Average$880FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$564Average$899FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$600Average$759FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$646Average$916FlexibilityNo cancel feeOn-time76%

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