$423 Cheap Flights from Chicago (ORD) to Cologne (CGN)

View $423 flight on Mon, Jan 26, 2026Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Cologne - Bonn Airport (CGN)

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Cheap Flights from Chicago to Cologne (ORD-CGN)

Prices were available within the past 7 days and start at $423 for one-way flights and $526 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Mon, Feb 23 - Mon, Mar 2
ORD
Chicago
CGN
Cologne
$526 Roundtrip, found 13 hours ago
$526
Roundtrip
found 13 hours ago
Select British Airways flight, departing Mon, Feb 23 from Chicago to Cologne, returning Mon, Mar 2, priced at $526 found 13 hours ago
British Airways
Sun, Feb 1 - Wed, Feb 11
ORD
Chicago
CGN
Cologne
$526 Roundtrip, found 2 days ago
$526
Roundtrip
found 2 days ago
Select British Airways flight, departing Sun, Feb 1 from Chicago to Cologne, returning Wed, Feb 11, priced at $526 found 2 days ago
American Airlines
Wed, Feb 25 - Mon, Mar 2
ORD
Chicago
CGN
Cologne
$530 Roundtrip, found 13 hours ago
$530
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Wed, Feb 25 from Chicago to Cologne, returning Mon, Mar 2, priced at $530 found 13 hours ago
British Airways
Tue, Feb 10 - Tue, Feb 17
ORD
Chicago
CGN
Cologne
$536 Roundtrip, found 17 hours ago
$536
Roundtrip
found 17 hours ago
Select British Airways flight, departing Tue, Feb 10 from Chicago to Cologne, returning Tue, Feb 17, priced at $536 found 17 hours ago
British Airways
Wed, Feb 11 - Wed, Feb 18
ORD
Chicago
CGN
Cologne
$538 Roundtrip, found 5 days ago
$538
Roundtrip
found 5 days ago
Select British Airways flight, departing Wed, Feb 11 from Chicago to Cologne, returning Wed, Feb 18, priced at $538 found 5 days ago
British Airways
Tue, Feb 10 - Tue, Feb 17
ORD
Chicago
CGN
Cologne
$541 Roundtrip, found 17 hours ago
$541
Roundtrip
found 17 hours ago
Select British Airways flight, departing Tue, Feb 10 from Chicago to Cologne, returning Tue, Feb 17, priced at $541 found 17 hours ago
British Airways
Mon, Mar 9 - Mon, Mar 23
ORD
Chicago
CGN
Cologne
$551 Roundtrip, found 3 days ago
$551
Roundtrip
found 3 days ago
Select British Airways flight, departing Mon, Mar 9 from Chicago to Cologne, returning Mon, Mar 23, priced at $551 found 3 days ago
Turkish Airlines
Thu, Apr 16 - Sat, Apr 18
ORD
Chicago
CGN
Cologne
$657 Roundtrip, found 4 hours ago
$657
Roundtrip
found 4 hours ago
Select Turkish Airlines flight, departing Thu, Apr 16 from Chicago to Cologne, returning Sat, Apr 18, priced at $657 found 4 hours ago
Air Canada
Tue, Feb 10 - Tue, Feb 17
ORD
Chicago
CGN
Cologne
$823 Roundtrip, found 17 hours ago
$823
Roundtrip
found 17 hours ago
Select Air Canada flight, departing Tue, Feb 10 from Chicago to Cologne, returning Tue, Feb 17, priced at $823 found 17 hours ago
United
Tue, Jan 6 - Fri, Jan 16
ORD
Chicago
CGN
Cologne
$831 Roundtrip, found 4 hours ago
$831
Roundtrip
found 4 hours ago
Select United flight, departing Tue, Jan 6 from Chicago to Cologne, returning Fri, Jan 16, priced at $831 found 4 hours ago

Alternative airports near Cologne

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Cologne - Bonn CGN. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $770
CGN
Cologne - Bonn
CheapestClosest
Average driving time to city center14 min
Flights from $770

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Cologne - Bonn Airport (CGN) cost?
Grab a cheap one-way flight from $423 or cheap return flight from $526 from O'Hare Intl. Airport (ORD) to Cologne - Bonn Airport (CGN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from O'Hare Intl. Airport (ORD) to Cologne - Bonn Airport (CGN)?
Flying in February is a good way to save, as it's the cheapest month for flights between ORD and CGN. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from O'Hare Intl. Airport (ORD) to Cologne - Bonn Airport (CGN)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest ORD to CGN flight.
How many flights per day from O'Hare Intl. Airport (ORD) to Cologne - Bonn Airport (CGN)?
Direct flights from O'Hare Intl. Airport (ORD) to Cologne - Bonn Airport (CGN) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ORD to CGN?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* But this can vary based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Cologne - Bonn Airport (CGN)?
To touch down at Cologne - Bonn Airport (CGN) without delays, book a flight that takes off from O'Hare Intl. Airport (ORD) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from O'Hare Intl. Airport (ORD) to Cologne - Bonn Airport (CGN) last-minute?
Holding off until just before your departure to book your flight from ORD to CGN generally means paying more. While you may find some last-minute offers, they aren't always guaranteed. Keep your travel plans flexible to maximize your chances of getting a bargain.
Is it cheaper to book an ORD to CGN flight and hotel package?
Securing an ORD to CGN flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Pick from our impressive range of stays and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Cologne - Bonn Airport (CGN)?
If you reserved your ORD to CGN flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

Travel information

Origin airport
O'Hare Intl.
Destination airport
Cologne - Bonn
Airlines serving
Air Canada, American Airlines, Austrian Airlines, British Airways, Lufthansa, Swiss International Air Lines, Turkish Airlines, United
Roundtrip price
$525
Distance
4245 mi

Book with confidence

Chicago to Cologne Flights

The cheapest times to fly from Chicago to Cologne

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chicago to Cologne are during the month of February. You can find some of the cheapest flights from Chicago to Cologne with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chicago to Cologne

Sunday is one of the best days to book for cheap flights from Chicago to Cologne: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Chicago to Cologne

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chicago to Cologne in 2025. You can also book with separate airlines for your outbound and return journeys, from $423 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chicago to Cologne flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Chicago to Cologne airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Chicago to Cologne Flights

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*Available to One Key members.