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Bonn

$327+ 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 4/17. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — FRA
Apr 20 — Apr 271
Mon 4/20
Mon 4/27
1 adult, Economy
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Cheap 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 March 21, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/198:20 pm
IAD
-
DUS
1 stop16h 20m
Scandinavian Airlines
Tue 5/57:20 pm
DUS
-
IAD
1 stop27h 40m
Scandinavian Airlines
Deal found 3/17$537
This oojo deal was found by Cheapflights users on 3/17. 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.
Sat 4/188:20 pm
IAD
-
DUS
1 stop12h 20m
Scandinavian Airlines
Wed 4/291:45 pm
DUS
-
IAD
2 stops33h 15m
Scandinavian Airlines
Deal found 3/17$548
This AirNGo deal was found by Cheapflights users on 3/21. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/208:20 pm
IAD
-
DUS
1 stop19h 50m
Scandinavian Airlines
Tue 5/57:20 pm
DUS
-
IAD
1 stop27h 40m
Scandinavian Airlines
Deal found 3/21$593
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/38:20 pm
IAD
-
DUS
1 stop19h 50m
Scandinavian Airlines
Thu 5/76:10 am
DUS
-
IAD
1 stop16h 50m
Scandinavian Airlines
Deal found 3/20$597
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/38:20 pm
IAD
-
DUS
1 stop19h 50m
Scandinavian Airlines
Sun 5/103:20 pm
DUS
-
IAD
1 stop31h 40m
Scandinavian Airlines
Deal found 3/19$599
This FlightHub deal was found by Cheapflights users on 3/19. 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.
Sun 10/118:20 pm
IAD
-
DUS
2 stops34h 45m
Scandinavian Airlines
Sat 10/178:20 pm
DUS
-
IAD
1 stop26h 40m
Scandinavian Airlines
Deal found 3/19$620

Find 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 March 21, 2026.

Round-trip from

$537
(Kiwi.com)

One-way from

$294
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$654
From Washington, D.C. Dulles Intl to Bonn
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Bonn
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($83 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in March 2026
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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 March 21, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Düsseldorf

IAD - DUS

IADDUS

Washington, D.C. Dulles Intl

Wed 4/15

12:45 pm-1:05 pm

2 stops18h 20m

Duesseldorf Intl

Wed 4/29

10:10 am-5:00 pm

1 stop12h 50m

$716

Washington, D.C.Düsseldorf

IAD - DUS

IADDUS

Washington, D.C. Dulles Intl

Sun 5/3

8:20 pm-1:05 pm

2 stops34h 45m

Duesseldorf Intl

Thu 5/7

1:45 pm-5:00 pm

2 stops33h 15m

$792
Quickest round-trip

Washington, D.C.Düsseldorf

IAD - DUS

IADDUS

Washington, D.C. Dulles Intl

Wed 4/1

10:20 pm-4:30 pm

1 stop12h 10m

Duesseldorf Intl

Tue 5/19

9:20 am-3:05 pm

1 stop11h 45m

$807

Washington, D.C.Düsseldorf

IAD - DUS

IADDUS

Washington, D.C. Dulles Intl

Tue 3/31

5:25 pm-12:40 pm

1 stop13h 15m

Duesseldorf Intl

Sun 4/5

9:50 am-3:15 pm

1 stop11h 25m

$810

Washington, D.C.Düsseldorf

IAD - DUS

IADDUS

Washington, D.C. Dulles Intl

Thu 4/2

5:25 pm-12:40 pm

1 stop13h 15m

Duesseldorf Intl

Sun 4/5

8:30 am-7:23 pm

2 stops16h 53m

$820

Washington, D.C.Düsseldorf

IAD - DUS

IADDUS

Washington, D.C. Dulles Intl

Tue 3/31

12:14 pm-1:50 pm

2 stops19h 36m

Duesseldorf Intl

Fri 5/15

8:15 am-3:35 pm

1 stop13h 20m

$829

Washington, D.C.Düsseldorf

IAD - DUS

IADDUS

Washington, D.C. Dulles Intl

Sat 9/5

1:20 pm-10:00 am

2 stops14h 40m

Duesseldorf Intl

Sat 9/19

3:20 pm-12:44 am

2 stops15h 24m

$884

Washington, D.C.Düsseldorf

IAD - DUS

IADDUS

Washington, D.C. Dulles Intl

Tue 6/9

8:20 pm-6:20 pm

1 stop16h 00m

Duesseldorf Intl

Tue 7/21

9:50 am-4:45 pm

1 stop12h 55m

$974
Cheapest one-way

Washington, D.C.Düsseldorf

IAD - DUS

IADDUS

Washington, D.C. Dulles Intl

Fri 4/17

8:30 pm-9:30 am

3 stops31h 00m

$384

Washington, D.C.Düsseldorf

IAD - DUS

IADDUS

Washington, D.C. Dulles Intl

Sat 5/2

8:30 pm-7:45 am

2 stops29h 15m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/18

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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 March 13, 2026.

Booking 72 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, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Bonn (average of $469). Flying from Washington, D.C. Dulles Intl Airport to Bonn in June is currently the most expensive (average of $622). 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 March 21, 2026.

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.

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 March 21, 2026.

The most flights from IAD to BN9 are scheduled on a Monday (11 on average). You will have fewer flight options on Monday, 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 March 21, 2026.
Read reviews from past customers who have flown United Airlines,Turkish Airlines, andScandinavian 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.
United Airlines
7.4
Good
9,452 reviews

Overall

7.4

Boarding

7.7

Food

6.6

Crew

8.1

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,452 reviews
United Airlines
7.4
Good
9,452 reviews

Overall

7.4

Boarding

7.7

Food

6.6

Crew

8.1

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Turkish Airlines
7.3
Good
4,266 reviews
United Airlines
7.4
Good
9,452 reviews

Overall

7.4

Boarding

7.7

Food

6.6

Crew

8.1

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Scandinavian Airlines
7.3
Good
1,720 reviews
United Airlines
7.4
Good
9,452 reviews

Overall

7.4

Boarding

7.7

Food

6.6

Crew

8.1

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Lufthansa
6.8
Okay
7,859 reviews
United Airlines
7.4
Good
9,452 reviews

Overall

7.4

Boarding

7.7

Food

6.6

Crew

8.1

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
British Airways
6.7
Okay
7,805 reviews
United Airlines
7.4
Good
9,452 reviews

Overall

7.4

Boarding

7.7

Food

6.6

Crew

8.1

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 12h 10m. Scandinavian Airlines provides one of the quickest options available for as low as $807. Washington, D.C. Dulles Intl Airport and Bonn are separated by a distance of 3960 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Bonn one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Bonn are Scandinavian Airlines ($229), Aer Lingus ($334), and Turkish Airlines ($499).

  • 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 (73%), United Airlines (73%), Lufthansa (73%).

  • 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 $2,439, our data shows the cheapest flight currently is $366. When looking at the most popular route, (Washington, D.C. Dulles Intl - Duesseldorf Intl), you can expect to pay $597 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, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Bonn (average of $469). Flying from Washington, D.C. Dulles Intl Airport to Bonn in June is currently the most expensive (average of $622). 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

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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 March 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$163Average$770FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$416Average$734FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$440Average$909FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$483Average$713FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$510Average$848FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$529Average$660FlexibilityNo cancel feeOn-time77%
KLMCheapest$556Average$819FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$561Average$755FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$622Average$1,027FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$655Average$1,003FlexibilityNo cancel feeOn-time76%

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