Bonn

$309+ Cheap flights from O'Hare Intl (ORD) 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FRA
Apr 5 — Apr 121
We work with more than 300 partners to bring you better travel deals

Find cheap flights from O'Hare 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.

Cheapflights Tip: The best prices from Chicago O'Hare Intl to Bonn are usually found in January or October, booked 42 days in advance, depart on a Monday or Sunday and return on a Friday

Cheap flight deals from O'Hare Intl to Bonn

Keep the following information in mind while searching for O'Hare Intl to Bonn flight deals. Data was last updated March 31, 2025.

Round-trip from

$665
(Finnair)

One-way from

$314
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$687
From Chicago O'Hare Intl to Bonn
One-way flight from Chicago O'Hare Intl to Bonn
Highest demand for flights based on searches. 20% potential increase in price ($212 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
Average for round-trip flights in March 2025

Find flight deals from O'Hare Intl to Bonn

Cheapest flights from O'Hare Intl to Bonn
Explore the most affordable flight options available from O'Hare Intl to Bonn. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

This United deal was found by Cheapflights users on 3/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/311:28 pmORD - DUS
2 stops21h 32mUnited Airlines
Mon 4/79:10 amDUS - ORD
1 stop32h 45mUnited Airlines
Deal found 3/30$663
This Finnair deal was found by Cheapflights users on 3/30. 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.
Wed 5/1410:25 pmORD - DUS
1 stop15h 40mMultiple Airlines
Wed 5/2111:55 amDUS - ORD
1 stop12h 55mMultiple Airlines
Deal found 3/30$665
This Scandinavian Airlines deal was found by Cheapflights users on 3/31. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/137:00 amORD - DUS
2 stops19h 30mScandinavian Airlines
Wed 8/201:40 pmDUS - ORD
2 stops33h 30mScandinavian Airlines
Deal found 3/31$667
This British Airways deal was found by Cheapflights users on 3/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/58:30 pmORD - DUS
1 stop14h 30mBritish Airways
Mon 5/196:20 pmDUS - ORD
1 stop24h 25mBritish Airways
Deal found 3/30$695
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Wed 5/1410:25 pmORD - DUS
1 stop12h 15mAmerican Airlines
Wed 5/217:15 amDUS - ORD
2 stops17h 14mAmerican Airlines
Deal found 3/30$703
This oojo deal was found by Cheapflights users on 3/31. 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 8/17:50 pmORD - DUS
1 stop16h 20mTurkish Airlines
Fri 8/157:20 amDUS - ORD
1 stop33h 20mTurkish Airlines
Deal found 3/31$795
This AirNGo deal was found by Cheapflights users on 3/30. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/123:35 pmORD - DUS
2 stops15h 55mAir Canada
Tue 5/2710:55 amDUS - ORD
2 stops16h 17mAir Canada
Deal found 3/30$886
This Mytrip deal was found by Cheapflights users on 3/30. 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.
Wed 5/1410:15 pmORD - DUS
2 stops13h 30mIcelandair
Wed 5/2110:10 amDUS - ORD
2 stops18h 05mIcelandair
Deal found 3/30$890
This oojo deal was found by Cheapflights users on 3/31. 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 5/1210:00 pmORD - DUS
2 stops39h 20mAer Lingus
Wed 5/2110:25 amDUS - ORD
2 stops29h 09mAer Lingus
Deal found 3/31$912
This oojo deal was found by Cheapflights users on 3/30. 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.
Sun 9/216:00 pmORD - DUS
1 stop15h 50mTAP AIR PORTUGAL
Fri 9/265:45 pmDUS - ORD
1 stop29h 45mTAP AIR PORTUGAL
Deal found 3/30$914
This Iberia deal was found by Cheapflights users on 3/29. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/204:30 pmORD - DUS
1 stop19h 40mIberia
Sat 7/267:55 pmDUS - ORD
1 stop25h 20mIberia
Deal found 3/29$1,096
This Austrian Airlines deal was found by Cheapflights users on 3/29. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/203:55 pmORD - DUS
2 stops33h 55mAustrian Airlines
Sat 7/268:00 pmDUS - ORD
1 stop24h 20mAustrian Airlines
Deal found 3/29$1,415

Cheapflights Fare Finder

Customize your flight search to find flights from O'Hare 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 31, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Bonn that are best for you.

Fly from

O'Hare Intl

Fly to

Bonn

Route

Depart

Return

Price

ChicagoDüsseldorf

ORD - DUS

ORDDUS

Chicago O'Hare Intl

Wed 5/14

10:25 pm-9:05 pm

1 stop15h 40m

Duesseldorf Intl

Wed 5/21

11:55 am-5:50 pm

1 stop12h 55m

$665

ChicagoDüsseldorf

ORD - DUS

ORDDUS

Chicago O'Hare Intl

Mon 5/12

7:15 pm-2:50 pm

1 stop12h 35m

Duesseldorf Intl

Wed 5/21

10:10 am-10:14 pm

2 stops19h 04m

$682

ChicagoDüsseldorf

ORD - DUS

ORDDUS

Chicago O'Hare Intl

Mon 5/5

8:30 pm-6:00 pm

1 stop14h 30m

Duesseldorf Intl

Mon 5/19

6:20 pm-11:45 am

1 stop24h 25m

$695

ChicagoDüsseldorf

ORD - DUS

ORDDUS

Chicago O'Hare Intl

Wed 5/14

10:25 pm-5:40 pm

1 stop12h 15m

Duesseldorf Intl

Wed 5/21

7:15 am-5:29 pm

2 stops17h 14m

$703

ChicagoDüsseldorf

ORD - DUS

ORDDUS

Chicago O'Hare Intl

Mon 5/12

3:35 pm-2:30 pm

2 stops15h 55m

Duesseldorf Intl

Tue 5/27

10:55 am-8:12 pm

2 stops16h 17m

$886

ChicagoDüsseldorf

ORD - DUS

ORDDUS

Chicago O'Hare Intl

Wed 5/14

10:15 pm-6:45 pm

2 stops13h 30m

Duesseldorf Intl

Wed 5/21

10:10 am-9:15 pm

2 stops18h 05m

$890

ChicagoDüsseldorf

ORD - DUS

ORDDUS

Chicago O'Hare Intl

Mon 5/12

10:00 pm-8:20 pm

2 stops39h 20m

Duesseldorf Intl

Wed 5/21

10:25 am-8:34 am

2 stops29h 09m

$912

ChicagoDüsseldorf

ORD - DUS

ORDDUS

Chicago O'Hare Intl

Thu 5/15

5:50 pm-5:40 pm

1 stop16h 50m

Duesseldorf Intl

Thu 5/22

6:00 am-6:21 pm

2 stops19h 21m

$949

ChicagoDüsseldorf

ORD - DUS

ORDDUS

Chicago O'Hare Intl

Sun 6/8

11:25 am-9:05 am

1 stop14h 40m

Duesseldorf Intl

Fri 6/13

6:40 pm-9:40 am

1 stop22h 00m

$1,349

ChicagoDüsseldorf

ORD - DUS

ORDDUS

Chicago O'Hare Intl

Tue 4/29

5:55 am-8:25 pm

3 stops55h 30m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 18 results
1
2

Best time to book a flight from O'Hare Intl to Bonn

Have a flexible travel schedule? Discover the best time to fly to Bonn from O'Hare 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 Chicago O'Hare Intl Airport to Bonn

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Bonn?

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Bonn. Price data was last updated on March 28, 2025.

To ensure you get the cheapest price possible for a flight from Chicago O'Hare Intl Airport to Bonn, you should look to book at least 42 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Bonn?

Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Bonn (average of $729). Flying from Chicago O'Hare Intl Airport to Bonn in June is currently the most expensive (average of $1,079). 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 ORD to BN9?

Find hourly flight availability from O'Hare 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 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago O'Hare Intl Airport to Bonn as you normally would.

What is the cheapest day to fly from Chicago O'Hare Intl Airport to Bonn?

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

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Bonn flight should consider departing on Monday evenings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Chicago O'Hare Intl Airport to Bonn

Explore weekly flight availability from O'Hare 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 31, 2025.

The most flights from ORD to BN9 are scheduled on a Monday (13 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 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 March 31, 2025.
Read through reviews of airlines operating flights from Chicago to Bonn, such as Qatar Airways, United Airlines and Turkish Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

7.9

Boarding

7.5

Entertainment

7.4

Comfort

7.4

Food

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

JFK - DOH

Very good, first time travel with Qatar airlines, great, thank you

Crew

7.9

Boarding

7.5

Entertainment

7.4

Comfort

7.4

Food

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

JFK - DOH

Very good, first time travel with Qatar airlines, great, thank you

Crew

7.9

Boarding

7.5

Entertainment

7.4

Comfort

7.4

Food

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

JFK - DOH

Very good, first time travel with Qatar airlines, great, thank you

Crew

7.9

Boarding

7.5

Entertainment

7.4

Comfort

7.4

Food

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

JFK - DOH

Very good, first time travel with Qatar airlines, great, thank you

Crew

7.9

Boarding

7.5

Entertainment

7.4

Comfort

7.4

Food

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

JFK - DOH

Very good, first time travel with Qatar airlines, great, thank you

Crew

7.9

Boarding

7.5

Entertainment

7.4

Comfort

7.4

Food

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2025

JFK - DOH

Very good, first time travel with Qatar airlines, great, thank you

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Bonn. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Bonn one-way?

    To fly one-way, consider booking your trip with Aer Lingus, which is currently one of the cheapest options available, starting at $377. Scandinavian Airlines flights start at $432 while deals on British Airways start at $504 one-way.

  • What are the most reliable airlines from Chicago O'Hare Intl Airport to Bonn?

    Consider Lufthansa (81%), Air Canada (77%) or United Airlines (77%) when booking your flight. These represent the most reliable airlines when flying from Chicago O'Hare Intl Airport to Bonn.

  • What are the cheapest flights from Chicago O'Hare Intl Airport to Bonn?

    Looking for the cheapest flight from Chicago O'Hare Intl Airport to Bonn? While on average our users pay $4,250, our data indicates the cheapest price to be $457. The most popular route (Chicago O'Hare Intl - Duesseldorf Intl), is priced around $524.

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

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

  • How can I find direct flights from O'Hare Intl to Bonn?

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

  • Can I find deals for business class flights from O'Hare Intl to Bonn?

    Yes. Cheapflights offers flight deals from O'Hare 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 Chicago O'Hare Intl Airport to Bonn?

    Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Bonn (average of $729). Flying from Chicago O'Hare Intl Airport to Bonn in June is currently the most expensive (average of $1,079). 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.

Top 10 airlines flying from O'Hare Intl to Bonn

Discover the top 10 airlines that operate flights from O'Hare 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 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$264Average$637FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$453Average$678FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$492Average$715FlexibilityNo cancel feeOn-time71%
TAP AIR PORTUGALCheapest$498Average$863FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$560Average$762FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$591Average$823FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$609Average$767FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$631Average$1,137FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$640Average$1,119FlexibilityNo cancel feeOn-time69%
LOTCheapest$698Average$1,025FlexibilityNo cancel feeOn-time81%
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.