$400+ Cheap flights from Chicago (CHI) 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Chicago 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.Cheapflights Tip: The best prices from Chicago to Bonn are usually found in January or March, booked 51 days in advance, depart on a Monday or Sunday and return on a Sunday
Cheap flight deals from Chicago to Bonn
Keep the following information in mind while searching for Chicago to Bonn flight deals. Data was last updated May 1, 2025.
Round-trip from | $641 (American Airlines) |
|---|---|
One-way from | $400 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $977 |
Find flight deals from Chicago to Bonn
Cheapest flights from Chicago to BonnExplore the most affordable flight options available from Chicago to Bonn. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.
Explore the most affordable flight options available from Chicago to Bonn. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.
This American Airlines deal was found by Cheapflights users on 4/30. 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.
This oojo deal was found by Cheapflights users on 4/30. 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.
This Finnair deal was found by Cheapflights users on 4/30. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Gotogate deal was found by Cheapflights users on 4/30. 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.
This Gotogate deal was found by Cheapflights users on 4/30. 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.
This KAYAK deal was found by Cheapflights users on 4/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 4/30. 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.
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This SWISS deal was found by Cheapflights users on 4/30. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This oojo deal was found by Cheapflights users on 4/30. 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.
This Mytrip deal was found by Cheapflights users on 4/30. 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.
This Icelandair deal was found by Cheapflights users on 4/30. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago 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 May 1, 2025.
Use the filters below to find and compare flights from Chicago to Bonn that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
ChicagoDüsseldorf
ORD - DUS
ORDDUS
Chicago O'Hare Intl
Mon 5/12
8:30 pm-9:05 pm
1 stop17h 35m
Duesseldorf Intl
Wed 5/21
6:20 am-2:15 pm
1 stop14h 55m
ChicagoDüsseldorf
ORD - DUS
ORDDUS
Chicago O'Hare Intl
Tue 8/26
7:15 pm-1:00 pm
2 stops34h 45m
Duesseldorf Intl
Mon 9/1
1:40 pm-4:10 pm
2 stops33h 30m
ChicagoDüsseldorf
ORD - DUS
ORDDUS
Chicago O'Hare Intl
Wed 7/9
10:30 pm-10:20 pm
1 stop16h 50m
Duesseldorf Intl
Wed 7/23
7:15 am-1:50 pm
1 stop13h 35m
ChicagoDüsseldorf
ORD - DUS
ORDDUS
Chicago O'Hare Intl
Tue 6/3
6:35 pm-5:45 pm
2 stops16h 10m
Duesseldorf Intl
Tue 6/10
7:10 am-1:50 pm
1 stop13h 40m
ChicagoDüsseldorf
ORD - DUS
ORDDUS
Chicago O'Hare Intl
Mon 5/12
3:50 pm-12:40 pm
2 stops13h 50m
Duesseldorf Intl
Wed 5/21
3:10 pm-10:06 pm
2 stops13h 56m
ChicagoDüsseldorf
MDW - DUS
MDWDUS
Chicago Midway
Wed 8/13
9:20 am-7:40 am
2 stops15h 20m
Duesseldorf Intl
Wed 8/20
8:15 am-6:03 pm
2 stops16h 48m
ChicagoDüsseldorf
ORD - DUS
ORDDUS
Chicago O'Hare Intl
Tue 7/8
7:05 pm-2:05 pm
1 stop12h 00m
Duesseldorf Intl
Tue 7/22
9:40 am-3:55 pm
1 stop13h 15m
ChicagoDüsseldorf
ORD - DUS
ORDDUS
Chicago O'Hare Intl
Fri 7/11
3:35 pm-2:35 pm
2 stops16h 00m
Duesseldorf Intl
Fri 8/8
6:00 am-11:00 am
1 stop12h 00m
ChicagoDüsseldorf
ORD - DUS
ORDDUS
Chicago O'Hare Intl
Tue 7/15
4:30 pm-7:10 pm
1 stop19h 40m
Duesseldorf Intl
Thu 8/7
7:55 pm-1:30 pm
2 stops24h 35m
ChicagoDüsseldorf
ORD - DUS
ORDDUS
Chicago O'Hare Intl
Thu 10/9
6:00 pm-4:55 pm
1 stop15h 55m
Duesseldorf Intl
Tue 10/14
5:40 pm-7:54 am
2 stops45h 14m
Best time to book a flight from Chicago to Bonn
Have a flexible travel schedule? Discover the best time to fly to Bonn from Chicago with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Chicago to Bonn
How far ahead should I book a flight from Chicago to Bonn?
Use this chart to determine the optimal time to book a round-trip flight from Chicago to Bonn. Price data was last updated on April 25, 2025.
Booking 51 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago 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 Chicago to Bonn?
Currently, January is the cheapest month in which you can book a flight from Chicago to Bonn (average of $729). Flying from Chicago to Bonn in June is currently the most expensive (average of $1,086). 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 CHI to BN9?
Find hourly flight availability from Chicago 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 May 1, 2025.
When flying from Chicago 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 Chicago to Bonn?
Use this chart to determine the cheapest time to fly round-trip from Chicago to Bonn. Price data was last updated on October 6, 2024.
Travelers seeking maximum savings on their Chicago to Bonn flight should consider departing on Monday evenings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Chicago to Bonn
Explore weekly flight availability from Chicago 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 May 1, 2025.
The most flights from CHI to BN9 are scheduled on a Monday (13 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (13 on average).
Rainfall in Bonn by month
Plan your trip to Bonn by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Bonn ranges from 1.2 - 3.1 inches per month. July is typically the wettest month, when rainfall can reach 3.1 in. March is typically the driest time to visit Bonn when rainfall is around 1.2 in.
Temperature in Bonn by month
Plan your trip to Bonn by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Bonn, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).
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 May 1, 2025.
To help decide which airline to fly from Chicago to Bonn, see what other customers have to say about Delta, KLM and Finnair. 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.
Overall
Boarding
Entertainment
Comfort
Food
Crew
Reviews
Aaron,Oct 2024
LAX - LHR
Overall
Boarding
Entertainment
Comfort
Food
Crew
Reviews
Aaron,Oct 2024
LAX - LHR
Overall
Boarding
Entertainment
Comfort
Food
Crew
Reviews
Aaron,Oct 2024
LAX - LHR
Overall
Boarding
Entertainment
Comfort
Food
Crew
Reviews
Aaron,Oct 2024
LAX - LHR
Overall
Boarding
Entertainment
Comfort
Food
Crew
Reviews
Aaron,Oct 2024
LAX - LHR
Overall
Boarding
Entertainment
Comfort
Food
Crew
Reviews
Aaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from Chicago to Bonn. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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 Chicago to Bonn
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from Chicago to Bonn
Discover the top 10 airlines that operate flights from Chicago 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 May 1, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$264 | Average$629 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$453 | Average$671 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$492 | Average$748 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$495 | Average$864 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$560 | Average$740 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$590 | Average$773 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$609 | Average$700 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$610 | Average$1,103 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$631 | Average$1,096 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$698 | Average$1,025 | FlexibilityNo cancel fee | On-time81% |