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$484 Cheap Flights from Cologne (CGN) to Chicago (ORD)

View $484 flight on Mon, Nov 23, 2026Opens in a new window

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

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Cheap Flights from Cologne to Chicago (CGN-ORD)

Prices were available within the past 7 days and start at $484 for one-way flights and $702 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Austrian Airlines
Mon, Sep 28 - Sun, Oct 4
CGN
Cologne
ORD
Chicago
$702 Roundtrip, found 5 days ago
$702
Roundtrip
found 5 days ago
Select Austrian Airlines flight, departing Mon, Sep 28 from Cologne to Chicago, returning Sun, Oct 4, priced at $702 found 5 days ago
Austrian Airlines
Mon, Sep 21 - Sun, Sep 27
CGN
Cologne
ORD
Chicago
$707 Roundtrip, found 3 days ago
$707
Roundtrip
found 3 days ago
Select Austrian Airlines flight, departing Mon, Sep 21 from Cologne to Chicago, returning Sun, Sep 27, priced at $707 found 3 days ago
Austrian Airlines
Tue, Sep 22 - Wed, Sep 30
CGN
Cologne
ORD
Chicago
$716 Roundtrip, found 14 hours ago
$716
Roundtrip
found 14 hours ago
Select Austrian Airlines flight, departing Tue, Sep 22 from Cologne to Chicago, returning Wed, Sep 30, priced at $716 found 14 hours ago
Lufthansa
Tue, Sep 22 - Wed, Sep 30
CGN
Cologne
ORD
Chicago
$725 Roundtrip, found 14 hours ago
$725
Roundtrip
found 14 hours ago
Select Lufthansa flight, departing Tue, Sep 22 from Cologne to Chicago, returning Wed, Sep 30, priced at $725 found 14 hours ago
Austrian Airlines
Mon, Sep 28 - Sun, Oct 4
CGN
Cologne
ORD
Chicago
$726 Roundtrip, found 5 days ago
$726
Roundtrip
found 5 days ago
Select Austrian Airlines flight, departing Mon, Sep 28 from Cologne to Chicago, returning Sun, Oct 4, priced at $726 found 5 days ago
Austrian Airlines
Mon, Sep 21 - Sun, Sep 27
CGN
Cologne
ORD
Chicago
$728 Roundtrip, found 3 days ago
$728
Roundtrip
found 3 days ago
Select Austrian Airlines flight, departing Mon, Sep 21 from Cologne to Chicago, returning Sun, Sep 27, priced at $728 found 3 days ago
Lufthansa
Tue, Sep 8 - Wed, Sep 23
CGN
Cologne
ORD
Chicago
$730 Roundtrip, found 6 days ago
$730
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Tue, Sep 8 from Cologne to Chicago, returning Wed, Sep 23, priced at $730 found 6 days ago
Turkish Airlines
Mon, Sep 21 - Sun, Sep 27
CGN
Cologne
ORD
Chicago
$868 Roundtrip, found 3 days ago
$868
Roundtrip
found 3 days ago
Select Turkish Airlines flight, departing Mon, Sep 21 from Cologne to Chicago, returning Sun, Sep 27, priced at $868 found 3 days ago
Air Canada
Tue, Sep 22 - Wed, Sep 30
CGN
Cologne
ORD
Chicago
$897 Roundtrip, found 14 hours ago
$897
Roundtrip
found 14 hours ago
Select Air Canada flight, departing Tue, Sep 22 from Cologne to Chicago, returning Wed, Sep 30, priced at $897 found 14 hours ago
Swiss International Air Lines
Tue, Sep 22 - Wed, Sep 30
CGN
Cologne
ORD
Chicago
$1,045 Roundtrip, found 14 hours ago
$1,045
Roundtrip
found 14 hours ago
Select Swiss International Air Lines flight, departing Tue, Sep 22 from Cologne to Chicago, returning Wed, Sep 30, priced at $1,045 found 14 hours ago

Frequently asked questions

How much does a flight from Cologne (CGN-Cologne - Bonn) to Chicago, IL (ORD-O'Hare Intl.) cost?
You can find cheap one-way flights from $484 and cheap return flights from $702 Cologne (CGN-Cologne - Bonn) to Chicago, IL (ORD-O'Hare Intl.) with Expedia. Return flights typically cost between $595 and $7078. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Cologne (CGN-Cologne - Bonn) to Chicago, IL (ORD-O'Hare Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Cologne (CGN-Cologne - Bonn) to Chicago, IL (ORD-O'Hare Intl.)?
The cheapest month to fly from CGN to ORD is September when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Cologne (CGN-Cologne - Bonn) to Chicago, IL (ORD-O'Hare Intl.)?
Enter CGN to ORD and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Cologne (CGN-Cologne - Bonn) to Chicago, IL (ORD-O'Hare Intl.)?
Aer Lingus is one of the cheapest airlines offering connecting flights from Cologne - Bonn (CGN) to Chicago (ORD), with return tickets starting from around $614. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Cologne (CGN-Cologne - Bonn) to Chicago, IL (ORD-O'Hare Intl.)?
To find a cheap flight from Cologne (CGN-Cologne - Bonn) to Chicago, IL (ORD-O'Hare Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Cologne (CGN-Cologne - Bonn) to Chicago, IL (ORD-O'Hare Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Cologne (CGN-Cologne - Bonn) to Chicago, IL (ORD-O'Hare Intl.)?
The earliest flight from Cologne-Bonn Airport (CGN) to O'Hare International Airport (ORD) typically departs at 4:20 AM. This seasonal service is operated by Lufthansa and United, allowing you to start your journey to Chicago bright and early. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Cologne (CGN-Cologne - Bonn) to Chicago, IL (ORD-O'Hare Intl.)?
The busiest day for flights from Cologne - Bonn (CGN) to O'Hare Intl. (ORD) is a Monday, with around 30 flights. This gives you plenty of options for your travel plans. Major airlines on this route include Lufthansa, Eurowings, and British Airways.
What are the most popular departure times for flights from Cologne (CGN-Cologne - Bonn) to Chicago, IL (ORD-O'Hare Intl.)?
The most popular departure times for flights from Cologne (CGN) to Chicago (ORD) are in the morning, from 6am to 9am. About 57% of passengers prefer this time window. Many major carriers, including Lufthansa and Eurowings, offer flights during this window. This timing is favored as it allows you to arrive in Chicago with a full day ahead of you.
How long does it take to fly from Cologne (CGN-Cologne - Bonn) to Chicago, IL (ORD-O'Hare Intl.)?
A flight from CGN to ORD with a layover takes around 12 hours, with the route covering approximately 4,246 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Cologne (CGN-Cologne - Bonn) to Chicago, IL (ORD-O'Hare Intl.)?
Business class is available on flights from CGN to ORD. Airlines that offer business class service on this route include:

  • British Airways
  • Turkish Airlines
  • Eurowings
  • Lufthansa

How do I earn miles on a Cologne (CGN-Cologne - Bonn) to Chicago, IL (ORD-O'Hare Intl.) flight with Expedia?
It's easy to earn miles on a Cologne (CGN-Cologne - Bonn) to Chicago, IL (ORD-O'Hare Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Chicago from Cologne - Bonn (CGN)?
From Cologne - Bonn (CGN), you can fly into O'Hare Intl. (ORD) to reach Chicago. Some flights may connect through major hubs like Heathrow (LHR), Franz Josef Strauss Intl. (MUC), ZRH (ZRH) before reaching Chicago. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Cologne (CGN-Cologne - Bonn) to Chicago, IL (ORD-O'Hare Intl.) at the last minute?
Typically, booking a last minute flight from Cologne (CGN-Cologne - Bonn) to Chicago, IL (ORD-O'Hare Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Cologne (CGN-Cologne - Bonn) to Chicago, IL (ORD-O'Hare Intl.) flight and hotel package?
Securing a Cologne (CGN-Cologne - Bonn) to Chicago, IL (ORD-O'Hare Intl.) Chicago Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Cologne (CGN-Cologne - Bonn) to Chicago, IL (ORD-O'Hare Intl.)?
If you booked your Cologne (CGN-Cologne - Bonn) to Chicago, IL (ORD-O'Hare Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Cologne - Bonn
Destination airport
O'Hare Intl.
Airlines serving
Air Canada, Austrian Airlines, Lufthansa, Swiss International Air Lines, Turkish Airlines
Roundtrip price
$701
Distance
4245 mi

Book with confidence

Cologne to Chicago Flights

The cheapest times to fly from Cologne to Chicago

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 Cologne to Chicago are during the month of September. You can find some of the cheapest flights from Cologne to Chicago with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Cologne to Chicago

Sunday is one of the best days to book for cheap flights from Cologne to Chicago: 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 Cologne to Chicago

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 Cologne to Chicago in 2026. You can also book with separate airlines for your outbound and return journeys, from $484 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 Cologne to Chicago 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 Cologne to Chicago 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.

 

Cologne to Chicago Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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