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Bonn

$407+ 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 6/18. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FRA
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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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 April 24, 2025.

Round-trip from

$664
(AirNGo)

One-way from

$407
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$778
From Chicago O'Hare Intl to Bonn
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One-way flight from Chicago O'Hare Intl to Bonn
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Highest demand for flights based on searches. 21% potential increase in price ($224 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 24, 2025.

This SWISS deal was found by Cheapflights users on 4/23. 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.
Wed 11/267:05 pmORD - DUS
1 stop12h 00mSWISS
Mon 12/12:45 pmDUS - ORD
1 stop32h 30mSWISS
Deal found 4/23$642
This Justfly.com deal was found by Cheapflights users on 4/23. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/262:00 pmORD - DUS
2 stops13h 25mAir Canada
Mon 12/110:45 amDUS - ORD
2 stops35h 00mAir Canada
Deal found 4/23$643
This British Airways deal was found by Cheapflights users on 4/23. 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.
Wed 8/139:15 pmORD - DUS
1 stop16h 50mBritish Airways
Wed 8/207:15 amDUS - ORD
2 stops15h 37mBritish Airways
Deal found 4/23$644
This oojo deal was found by Cheapflights users on 4/23. 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 8/287:15 pmORD - DUS
1 stop12h 35mScandinavian Airlines
Mon 9/11:40 pmDUS - ORD
2 stops33h 30mScandinavian Airlines
Deal found 4/23$651
This Booking.com deal was found by Cheapflights users on 4/23. 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.
Thu 11/132:00 pmORD - DUS
2 stops13h 25mMultiple Airlines
Mon 11/176:35 pmDUS - ORD
1 stop28h 40mMultiple Airlines
Deal found 4/23$681
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Mon 5/1210:25 pmORD - DUS
1 stop15h 40mAmerican Airlines
Wed 5/216:20 amDUS - ORD
1 stop14h 55mAmerican Airlines
Deal found 4/23$758
This Air Serbia deal was found by Cheapflights users on 4/24. 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 Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/311:20 pmORD - DUS
1 stop26h 25mAir Serbia
Sat 5/249:30 amDUS - ORD
1 stop18h 30mAir Serbia
Deal found 4/24$805
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Wed 5/71:55 pmORD - DUS
2 stops17h 10mUnited Airlines
Sun 5/259:40 amDUS - ORD
1 stop13h 15mUnited Airlines
Deal found 4/24$807
This Austrian Airlines deal was found by Cheapflights users on 4/24. 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.
Mon 5/511:10 amORD - DUS
2 stops20h 05mAustrian Airlines
Sat 5/249:40 amDUS - ORD
1 stop34h 40mAustrian Airlines
Deal found 4/24$818
This oojo deal was found by Cheapflights users on 4/23. 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.
Tue 4/2911:25 amORD - DUS
1 stop14h 40mTurkish Airlines
Tue 5/202:50 pmDUS - ORD
1 stop25h 50mTurkish Airlines
Deal found 4/23$821

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 April 24, 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 8/13

9:15 pm-9:05 pm

1 stop16h 50m

Duesseldorf Intl

Wed 8/20

7:15 am-3:52 pm

2 stops15h 37m

$644

ChicagoDüsseldorf

ORD - DUS

ORDDUS

Chicago O'Hare Intl

Thu 8/28

7:15 pm-2:50 pm

1 stop12h 35m

Duesseldorf Intl

Mon 9/1

1:40 pm-4:10 pm

2 stops33h 30m

$651

ChicagoDüsseldorf

ORD - DUS

ORDDUS

Chicago O'Hare Intl

Fri 8/1

4:55 pm-9:05 pm

1 stop21h 10m

Duesseldorf Intl

Fri 8/15

11:55 am-6:15 pm

1 stop13h 20m

$709

ChicagoDüsseldorf

ORD - DUS

ORDDUS

Chicago O'Hare Intl

Mon 5/5

3:50 pm-2:30 pm

2 stops15h 40m

Duesseldorf Intl

Sun 5/18

3:10 pm-10:06 pm

2 stops13h 56m

$740

ChicagoDüsseldorf

ORD - DUS

ORDDUS

Chicago O'Hare Intl

Mon 5/12

10:25 pm-9:05 pm

1 stop15h 40m

Duesseldorf Intl

Wed 5/21

6:20 am-2:15 pm

1 stop14h 55m

$758

ChicagoDüsseldorf

ORD - DUS

ORDDUS

Chicago O'Hare Intl

Tue 5/6

6:35 pm-2:05 pm

1 stop12h 30m

Duesseldorf Intl

Tue 5/27

9:40 am-3:55 pm

1 stop13h 15m

$800

ChicagoDüsseldorf

ORD - DUS

ORDDUS

Chicago O'Hare Intl

Wed 5/7

1:55 pm-2:05 pm

2 stops17h 10m

Duesseldorf Intl

Tue 5/27

9:40 am-3:55 pm

1 stop13h 15m

$807

ChicagoDüsseldorf

ORD - DUS

ORDDUS

Chicago O'Hare Intl

Mon 5/5

11:10 am-2:15 pm

2 stops20h 05m

Duesseldorf Intl

Mon 5/26

8:00 pm-1:20 pm

1 stop24h 20m

$818

ChicagoDüsseldorf

ORD - DUS

ORDDUS

Chicago O'Hare Intl

Sun 5/4

7:50 pm-9:05 am

1 stop30h 15m

Duesseldorf Intl

Wed 5/28

10:30 am-9:40 am

1 stop30h 10m

$929

ChicagoDüsseldorf

ORD - DUS

ORDDUS

Chicago O'Hare Intl

Sat 7/12

6:15 pm-7:55 pm

1 stop18h 40m

Duesseldorf Intl

Thu 7/17

5:45 pm-4:10 pm

1 stop29h 25m

$1,073

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 16 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 April 18, 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 April 24, 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 April 24, 2025.

The most flights from ORD 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 April 24, 2025.
Read through reviews of airlines operating flights from Chicago to Bonn, such as Austrian Airlines, SWISS and Qatar Airways. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
780 reviews

Comfort

7.3

Food

6.7

Boarding

7.6

Crew

8.1

Overall

7.6

Entertainment

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Austrian Airlines
7.6
Good
780 reviews
Austrian Airlines
7.6
Good
780 reviews

Comfort

7.3

Food

6.7

Boarding

7.6

Crew

8.1

Overall

7.6

Entertainment

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
SWISS
7.5
Good
1,582 reviews
Austrian Airlines
7.6
Good
780 reviews

Comfort

7.3

Food

6.7

Boarding

7.6

Crew

8.1

Overall

7.6

Entertainment

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Qatar Airways
7.4
Good
3,561 reviews
Austrian Airlines
7.6
Good
780 reviews

Comfort

7.3

Food

6.7

Boarding

7.6

Crew

8.1

Overall

7.6

Entertainment

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
United Airlines
7.4
Good
8,685 reviews
Austrian Airlines
7.6
Good
780 reviews

Comfort

7.3

Food

6.7

Boarding

7.6

Crew

8.1

Overall

7.6

Entertainment

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Turkish Airlines
7.3
Good
3,775 reviews
Austrian Airlines
7.6
Good
780 reviews

Comfort

7.3

Food

6.7

Boarding

7.6

Crew

8.1

Overall

7.6

Entertainment

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

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 Scandinavian Airlines, which is currently one of the cheapest options available, starting at $605. British Airways flights start at $684 while deals on United Airlines start at $700 one-way.

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

    Consider Air Canada (73%), United Airlines (73%) or Lufthansa (73%) 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 $4,239, our data indicates the cheapest price to be $485. The most popular route (Chicago O'Hare Intl - Duesseldorf Intl), is priced around $539.

  • 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

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Alternative routes for O'Hare 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 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$264Average$630FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$453Average$673FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$492Average$748FlexibilityNo cancel feeOn-time71%
TAP AIR PORTUGALCheapest$495Average$868FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$560Average$741FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$590Average$786FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$609Average$707FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$610Average$1,104FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$631Average$1,128FlexibilityNo cancel feeOn-time76%
LOTCheapest$698Average$999FlexibilityNo cancel feeOn-time81%

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