Bonn

$279+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — FRA
Feb 25 — Mar 41
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The best prices from Chicago to Bonn are usually found in January or April, 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 February 20, 2025.

Round-trip from

$575
(AirNGo)

One-way from

$279
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$667
From Chicago (CHI) to Bonn
One-way flight from Chicago (CHI) to Bonn
Highest demand for flights based on searches. 26% potential increase in price ($288 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($45 potential savings vs. average RT price).
Average for round-trip flights in February 2025

Find flight deals from Chicago to Bonn

Cheapest flights from Chicago to Bonn
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 February 20, 2025.

This AirNGo deal was found by Cheapflights users on 2/20. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1010:45 pmORD - DUS
1 stop10h 25mBritish Airways
Tue 3/258:45 pmDUS - ORD
1 stop29h 00mBritish Airways
Deal found 2/20$575
This Flighttix deal was found by Cheapflights users on 2/20. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/16:05 pmORD - DUS
2 stops13h 25mAir Canada
Tue 4/87:00 amDUS - ORD
2 stops14h 50mAir Canada
Deal found 2/20$577
This Finnair deal was found by Cheapflights users on 2/20. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/110:30 pmORD - DUS
1 stop15h 35mMultiple Airlines
Tue 4/810:50 amDUS - ORD
1 stop13h 10mMultiple Airlines
Deal found 2/20$579
This American Airlines deal was found by Cheapflights users on 2/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1010:45 pmORD - DUS
1 stop15h 00mAmerican Airlines
Tue 3/2510:30 amDUS - ORD
2 stops18h 17mAmerican Airlines
Deal found 2/20$586
This Mytrip deal was found by Cheapflights users on 2/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/67:15 pmORD - DUS
2 stops34h 45mScandinavian Airlines
Sun 4/131:30 pmDUS - ORD
2 stops33h 40mScandinavian Airlines
Deal found 2/20$611
This United Airlines deal was found by Cheapflights users on 2/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/105:10 pmORD - DUS
1 stop14h 45mUnited Airlines
Tue 3/258:35 amDUS - ORD
2 stops15h 52mUnited Airlines
Deal found 2/20$635
This FlightHub deal was found by Cheapflights users on 2/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1811:45 pmORD - DUS
1 stop26h 20mTurkish Airlines
Mon 10/272:15 pmDUS - ORD
1 stop26h 55mTurkish Airlines
Deal found 2/20$665
This Kiwi.com deal was found by Cheapflights users on 2/20. 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.
Mon 3/37:05 pmORD - DUS
1 stop30h 35mSWISS
Sun 3/98:10 pmDUS - ORD
1 stop27h 05mSWISS
Deal found 2/20$673
This FlightHub deal was found by Cheapflights users on 2/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1910:25 pmORD - DUS
1 stop10h 45mLufthansa
Wed 3/268:35 amDUS - ORD
1 stop11h 50mLufthansa
Deal found 2/20$751
This Expedia deal was found by Cheapflights users on 2/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/105:11 pmORD - DUS
2 stops15h 59mIberia
Tue 3/253:55 pmDUS - ORD
1 stop29h 35mIberia
Deal found 2/20$842
This oojo deal was found by Cheapflights users on 2/20. 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 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 2/20$908
This Delta deal was found by Cheapflights users on 2/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/312:55 pmMDW - DUS
2 stops14h 20mDelta
Mon 4/78:15 amDUS - MDW
2 stops16h 47mDelta
Deal found 2/20$1,004

Find flights from Chicago to Bonn within your budget

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 February 20, 2025.

Fly from

Chicago

Fly to

Bonn

Route

Depart

Return

Price

ChicagoDüsseldorf

ORD - DUS

ORDDUS

Chicago O'Hare Intl

Mon 3/10

10:45 pm-3:10 pm

1 stop10h 25m

Duesseldorf Intl

Tue 3/25

8:45 pm-7:45 pm

1 stop29h 00m

$575

ChicagoDüsseldorf

ORD - DUS

ORDDUS

Chicago O'Hare Intl

Tue 4/1

6:05 pm-2:30 pm

2 stops13h 25m

Duesseldorf Intl

Tue 4/8

7:00 am-2:50 pm

2 stops14h 50m

$577

ChicagoDüsseldorf

ORD - DUS

ORDDUS

Chicago O'Hare Intl

Tue 4/1

10:30 pm-9:05 pm

1 stop15h 35m

Duesseldorf Intl

Tue 4/8

10:50 am-5:00 pm

1 stop13h 10m

$579

ChicagoDüsseldorf

ORD - DUS

ORDDUS

Chicago O'Hare Intl

Mon 3/10

10:45 pm-7:45 pm

1 stop15h 00m

Duesseldorf Intl

Tue 3/25

10:30 am-10:47 pm

2 stops18h 17m

$586

ChicagoDüsseldorf

ORD - DUS

ORDDUS

Chicago O'Hare Intl

Sun 4/6

7:15 pm-1:00 pm

2 stops34h 45m

Duesseldorf Intl

Sun 4/13

1:30 pm-4:10 pm

2 stops33h 40m

$611

ChicagoDüsseldorf

ORD - DUS

ORDDUS

Chicago O'Hare Intl

Mon 3/10

5:10 pm-1:55 pm

1 stop14h 45m

Duesseldorf Intl

Tue 3/25

8:35 am-6:27 pm

2 stops15h 52m

$635

ChicagoDüsseldorf

ORD - DUS

ORDDUS

Chicago O'Hare Intl

Mon 3/3

7:05 pm-8:40 am

1 stop30h 35m

Duesseldorf Intl

Sun 3/9

8:10 pm-5:15 pm

1 stop27h 05m

$673

ChicagoDüsseldorf

ORD - DUS

ORDDUS

Chicago O'Hare Intl

Mon 3/3

11:55 am-10:25 pm

1 stop27h 30m

Duesseldorf Intl

Sat 3/8

2:10 pm-10:10 am

1 stop27h 00m

$684

ChicagoDüsseldorf

ORD - DUS

ORDDUS

Chicago O'Hare Intl

Wed 3/19

10:25 pm-3:10 pm

1 stop10h 45m

Duesseldorf Intl

Wed 3/26

8:35 am-2:25 pm

1 stop11h 50m

$751

ChicagoDüsseldorf

ORD - DUS

ORDDUS

Chicago O'Hare Intl

Mon 3/10

5:11 pm-3:10 pm

2 stops15h 59m

Duesseldorf Intl

Tue 3/25

3:55 pm-3:30 pm

1 stop29h 35m

$842

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 20 results
1
2

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.
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.

Travel insights for flights from Chicago to Bonn

Get recent, data-driven insights about flights from Chicago to Bonn including ideal travel times, pricing trends, and more.

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 February 14, 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 $1,096). 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 February 20, 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 February 20, 2025.

The most flights from CHI to BN9 are scheduled on a Monday (10 on average). You will have fewer flight options on Monday, 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 February 20, 2025.
8.0
Very good

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very good
8.0
Very good

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very good

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very good

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very good

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very good

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.
  • What are the cheapest airlines to fly from Chicago to Bonn one-way?

    For one-way options, check prices for Scandinavian Airlines. According to our data, you can fly for as low as $449. Users have also found prices from $472 and $2,138 on British Airways and Turkish Airlines, respectively.

  • What are the most reliable airlines from Chicago to Bonn?

    No one likes to see their flight delayed. When booking a flight from Chicago to Bonn consider choosing Air Canada (58%), United Airlines (58%) or Thai Airways (47%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Chicago to Bonn?

    On average you can expect to pay $3,039 for a flight from Chicago to Bonn. The cheapest flight overall is $402 while the most popular route, (Chicago O'Hare Intl - Duesseldorf Intl) is currently priced at $422.

  • Can I find deals for flights from Chicago to Bonn that include hotel bookings?

    Yes. In addition to deals on Chicago to Bonn flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Bonn?

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

  • Can I find deals for business class flights from Chicago to Bonn?

    Yes. Cheapflights offers flight deals from Chicago 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 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 $1,096). 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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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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$333Average$654FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$453Average$688FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$498Average$927FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$535Average$854FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$560Average$757FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$573Average$1,151FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$608Average$854FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$609Average$769FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$665Average$1,162FlexibilityNo cancel feeOn-time69%
LOTCheapest$693Average$999FlexibilityNo cancel feeOn-time81%
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