HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Bonn

$231+ 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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — FRA
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Bonn with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 January 29, 2026.

This oojo deal was found by Cheapflights users on 1/26. 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 4/138:20 pm
IAD
-
DUS
1 stop16h 20m
Scandinavian Airlines
Thu 4/236:10 am
DUS
-
IAD
1 stop16h 40m
Scandinavian Airlines
Deal found 1/26$520
This oojo deal was found by Cheapflights users on 1/27. 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.
Fri 4/178:20 pm
IAD
-
DUS
1 stop17h 20m
Scandinavian Airlines
Thu 4/236:10 am
DUS
-
IAD
1 stop16h 40m
Scandinavian Airlines
Deal found 1/27$532
This oojo deal was found by Cheapflights users on 1/27. 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 5/278:20 pm
IAD
-
DUS
1 stop20h 25m
Scandinavian Airlines
Wed 6/31:35 pm
DUS
-
IAD
2 stops33h 15m
Scandinavian Airlines
Deal found 1/27$539
This FlightHub deal was found by Cheapflights users on 1/27. 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 35m
Scandinavian Airlines
Sat 10/178:20 pm
DUS
-
IAD
1 stop26h 30m
Scandinavian Airlines
Deal found 1/27$540
This FlightHub deal was found by Cheapflights users on 1/27. 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.
Wed 3/48:30 pm
IAD
-
DUS
2 stops32h 40m
Scandinavian Airlines
Mon 3/911:50 am
DUS
-
IAD
2 stops59h 25m
Scandinavian Airlines
Deal found 1/27$548
This Flighttix deal was found by Cheapflights users on 1/28. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/28:30 pm
IAD
-
DUS
1 stop12h 15m
Scandinavian Airlines
Tue 3/1711:50 am
DUS
-
IAD
2 stops35h 25m
Scandinavian Airlines
Deal found 1/28$556
This oojo deal was found by Cheapflights users on 1/28. 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.
Thu 2/198:30 pm
IAD
-
DUS
1 stop12h 15m
Scandinavian Airlines
Wed 3/47:25 pm
DUS
-
IAD
1 stop27h 50m
Scandinavian Airlines
Deal found 1/28$572

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 January 29, 2026.

Round-trip from

$520
(oojo)

One-way from

$231
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$764
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. 8% potential increase in price ($68 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 29, 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

Dulles Intl

Fly to

Bonn

Route

Depart

Return

Price

Washington, D.C.Düsseldorf

IAD - DUS

IADDUS

Washington, D.C. Dulles Intl

Mon 4/13

8:20 pm-6:40 pm

1 stop16h 20m

Duesseldorf Intl

Thu 4/23

6:10 am-4:50 pm

1 stop16h 40m

$520

Washington, D.C.Düsseldorf

IAD - DUS

IADDUS

Washington, D.C. Dulles Intl

Wed 3/4

8:30 pm-6:45 pm

1 stop16h 15m

Duesseldorf Intl

Mon 3/9

10:10 am-6:15 pm

1 stop13h 05m

$572

Washington, D.C.Düsseldorf

IAD - DUS

IADDUS

Washington, D.C. Dulles Intl

Fri 5/8

8:20 pm-7:40 pm

1 stop17h 20m

Duesseldorf Intl

Sat 5/23

6:10 am-4:50 pm

1 stop16h 40m

$573

Washington, D.C.Düsseldorf

IAD - DUS

IADDUS

Washington, D.C. Dulles Intl

Mon 3/23

9:30 pm-11:10 am

2 stops32h 40m

Duesseldorf Intl

Sun 3/29

3:20 pm-4:50 pm

1 stop31h 30m

$580

Washington, D.C.Düsseldorf

IAD - DUS

IADDUS

Washington, D.C. Dulles Intl

Sun 3/1

9:45 pm-10:00 pm

1 stop18h 15m

Duesseldorf Intl

Mon 3/9

7:05 am-4:35 pm

1 stop14h 30m

$581

Washington, D.C.Düsseldorf

IAD - DUS

IADDUS

Washington, D.C. Dulles Intl

Wed 3/4

9:45 pm-3:20 pm

1 stop11h 35m

Duesseldorf Intl

Mon 3/16

8:40 pm-4:35 pm

1 stop24h 55m

$581

Washington, D.C.Düsseldorf

IAD - DUS

IADDUS

Washington, D.C. Dulles Intl

Wed 3/4

9:45 pm-3:20 pm

1 stop11h 35m

Duesseldorf Intl

Fri 3/13

7:05 am-4:35 pm

1 stop14h 30m

$581

Washington, D.C.Düsseldorf

IAD - DUS

IADDUS

Washington, D.C. Dulles Intl

Tue 3/3

9:45 pm-3:10 pm

1 stop11h 25m

Duesseldorf Intl

Wed 3/11

7:05 am-4:35 pm

1 stop14h 30m

$581

Washington, D.C.Düsseldorf

IAD - DUS

IADDUS

Washington, D.C. Dulles Intl

Sat 2/28

9:45 pm-9:25 am

1 stop29h 40m

Duesseldorf Intl

Tue 3/10

6:15 am-4:35 pm

1 stop15h 20m

$581

Washington, D.C.Düsseldorf

IAD - DUS

IADDUS

Washington, D.C. Dulles Intl

Wed 2/25

6:20 pm-12:55 pm

1 stop12h 35m

Duesseldorf Intl

Sun 3/8

10:35 am-8:55 pm

1 stop15h 20m

$581

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 17 results
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 January 23, 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, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Bonn (average of $472). Flying from Washington, D.C. Dulles Intl Airport to Bonn in June is currently the most expensive (average of $620). 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 January 29, 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 January 29, 2026.

The most flights from IAD to BN9 are scheduled on a Wednesday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 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 January 29, 2026.
Read reviews from past customers who have flown Delta, United Airlines, and Scandinavian 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.
Delta
7.9
Good
8,127 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,127 reviews
Delta
7.9
Good
8,127 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,215 reviews
Delta
7.9
Good
8,127 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Scandinavian Airlines
7.3
Good
1,674 reviews
Delta
7.9
Good
8,127 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Lufthansa
6.8
Okay
7,754 reviews
Delta
7.9
Good
8,127 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,705 reviews
Delta
7.9
Good
8,127 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 16h 20m. Scandinavian Airlines provides one of the quickest options available for as low as $520. Washington, D.C. Dulles Intl Airport and Bonn are separated by a distance of 3960 mi.

  • 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: Thai Airways (58%), Air India (58%), Air Canada (49%).

  • 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 $2,586, our data shows the cheapest flight currently is $313. When looking at the most popular route, (Washington, D.C. Dulles Intl - Duesseldorf Intl), you can expect to pay $406 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, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Bonn (average of $472). Flying from Washington, D.C. Dulles Intl Airport to Bonn in June is currently the most expensive (average of $620). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Bonn

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Frankfurt flights
Dulles Intl to Munich flights
Baltimore to Frankfurt flights
Reagan-National to Frankfurt flights
Reagan-National to Munich flights
Baltimore to Munich flights
Dulles Intl to Berlin flights
Reagan-National to Berlin flights
Baltimore to Berlin flights
Dulles Intl to Duesseldorf Intl flights
Dulles Intl to Stuttgart flights
Baltimore to Duesseldorf Intl flights
Dulles Intl to Cologne flights
Reagan-National to Duesseldorf Intl flights
Reagan-National to Stuttgart flights
Baltimore to Stuttgart flights
Dulles Intl to Hamburg flights
Baltimore to Hamburg flights
Reagan-National to Hamburg flights
Baltimore to Frankfurt-Hahn flights
Reagan-National to Nuremberg flights
Reagan-National to Cologne flights
Dulles Intl to Nuremberg flights
Baltimore to Nuremberg flights
Baltimore to Cologne flights
Baltimore to Bremen flights
Dulles Intl to Hannover flights
Reagan-National to Hannover flights
Baltimore to Dresden flights
Baltimore to Hannover flights
Dulles Intl to Bremen flights
Dulles Intl to Weeze flights
Dulles Intl to Dresden flights
Dulles Intl to Leipzig flights
Baltimore to Leipzig flights
Baltimore to Münster flights
Reagan-National to Dresden flights
Dulles Intl to Friedrichshafen flights
Dulles Intl to Dortmund flights
Baltimore to Paderborn flights
Dulles Intl to Karlsruhe flights
Baltimore to Memmingen flights
Baltimore to Friedrichshafen flights

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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$254Average$766FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$416Average$740FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$481Average$715FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$510Average$823FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$521Average$646FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$535Average$849FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$556Average$910FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$561Average$756FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$627Average$948FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$634Average$1,058FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.