Statistics on Chicago-Cologne flights: what is the right price and when to buy your plane ticket?
Best time to go: what is the RIGHT price for a round-trip flight to Cologne (from: Chicago)
The average price to go to Cologne from Chicago airport is $ 1118 (round trip). However, there are variations depending on the departure month. Thus, it is possible to pay for your plane ticket on average between $ 874 (in february) and $ 1468 (in july), which is a saving of $ 244 or a surplus of $ 351 (compared to the average price) depending on the period you leave.
The analysis of all prices reveals that the most frequent price is between $864 to $918 and it is generally more economical to leave on a wednesday and return on a tuesday on a flight with 1 or more layovers.
Be careful, the cheapest months may correspond to unfavorable weather periods . Check out our page best time to go to Cologne before booking your flight.
If you want to know when to book your flight at the best price, go straight to the second part of this page: When to buy your Chicago-Cologne plane ticket.
How are these data calculated?
We have studied a sample of 17452 airfare prices from previous years for flights to Cologne from Chicago and can thus establish precise and credible price variation trends based on different parameters. Of course, prices can vary from year to year, but the seasonal aspect of this data (recurrence of school holidays, events... from year to year) makes these statistics quite reliable.
Average price depending on the departure month
Data analysis:
By leaving in february, the price of the plane ticket will statistically be the cheapest ($ 874, saving $ 244 compared to the average price over the year which is $ 1118). Conversely, july will be the most expensive ($ 1468).
Flight Chicago-Cologne: when is the best time to go for the best price?
| Month | Good price* | Average price | Our opinion |
|---|---|---|---|
| January | $ 787 | $ 915 | good price |
| February | $ 775 | $ 874 the cheapest | very good price |
| March | $ 801 | $ 943 | good price |
| April | $ 781 | $ 898 | good price |
| May | $ 828 | $ 1054 | good price |
| June | $ 1202 | $ 1462 | high price |
| July | $ 1229 | $ 1468 the most expensive | very high price |
| August | $ 1091 | $ 1402 | high price |
| September | $ 840 | $ 977 | good price |
| October | $ 852 | $ 980 | good price |
| November | $ 859 | $ 1057 | fair price |
| December | $ 1001 | $ 1379 | high price |
*great price to buy your plane ticket: if you see this price or cheaper during your flight search, go for it and buy it!
Price breakdown to travel from Chicago to Cologne
Data analysis:
The prices for flights from Chicago to Cologne range from $540 to $1889. 2% of tickets were purchased at the minimum price (from $540 to $594), 1% at the maximum price (from $1835 to $1889). The majority of plane tickets were purchased in the range of $864 to $918 (12% of tickets).
Cheapest airlines for the Chicago->Cologne flight
There are 8 companies that serve Chicago from Cologne airport: Turkish Airlines, TAP, Spirit Airlines, British Airways, United, Frontier Airlines, Icelandair and Lufthansa.
Data analysis:
Of the 17452 flights analyzed in previous years, Turkish Airlines was the airline that offered the best fare most often in the flight ticket search results (77% of the time) on the Chicago->Cologne route.
Which day of the week to leave?
Data analysis:
Statistically, Chicago-Cologne flights departing on a wednesday are cheaper than on other days of the week. By choosing a wednesday as your departure date, you can save an average of $59. On the other hand, departing on a friday may cost you an additional $39.
Which day of the week to come back?
Data analysis:
Statistically, return flights from Cologne to Chicago departing on a tuesday are cheaper than on other days of the week. By choosing a tuesday for your return date, you will save an average of $79. Conversely, departing from Cologne on a friday may cost you an additional $93.
Top prices Chicago-Cologne
| Round trip | Dates | Price | |
|---|---|---|---|
| Chicago → Cologne | 08-05 to 15-05-2025 | $ 753 | layover flight with British Airways |
| Chicago → Cologne | 11-05 to 18-05-2025 | $ 620 | layover flight with Spirit Airlines |
| Chicago → Cologne | 12-05 to 19-05-2025 | $ 631 | layover flight with Spirit Airlines |
| Chicago → Cologne | 13-05 to 20-05-2025 | $ 650 | layover flight with Spirit Airlines |
| Chicago → Cologne | 14-05 to 21-05-2025 | $ 689 | layover flight with British Airways |
| Chicago → Cologne | 15-05 to 22-05-2025 | $ 732 | layover flight with Spirit Airlines |
| Chicago → Cologne | 18-05 to 23-05-2025 | $ 791 | layover flight with Spirit Airlines |
| Chicago → Cologne | 12-06 to 24-06-2025 | $ 784 | layover flight with British Airways |
| Chicago → Cologne | 18-08 to 24-08-2025 | $ 778 | layover flight with British Airways |
| Chicago → Cologne | 01-11 to 08-11-2025 | $ 652 | layover flight with British Airways |
When to book your flight Chicago - Cologne to get the cheapest price?
Statistically, you will make the biggest savings by buying your plane ticket between 6 to 7 months in advance. However, you may end up paying a high price if you book between 10 to 11 months in advance.
Did you know: the price of plane tickets not only varies depending on how far in advance you book, but also on the day of the week you book! So, to maximize your chances of getting the best price for a Chicago-Cologne flight, it is recommended to book your ticket on a thursday.
How far in advance should I buy my flight?
Data analysis:
To get the cheapest flight ticket from Chicago to Cologne, it is recommended to buy it 6 to 7 months before departure (it is then on average 1048 $, which is a saving of 70 $ compared to the overall average price). On the other hand, if you buy your ticket 10 to 11 months in advance, you will pay the full price (332 $ more than the average price).
Depending on the departure month
The best time to buy your Chicago to Cologne flight ticket may vary depending on your departure month. Therefore, we offer you statistics on when to book your flight month by month.
| Departure on... | How far in advance should I book? |
|---|---|
| January | Best time: 1 to 2 months before departure (average price: 821 $) |
| February | Best time: 1 to 2 months before departure (average price: 761 $) Other interesting period(s): 2 to 3 months ($ 864) |
| March | Best time: 3 to 4 months before departure (average price: 889 $) Other interesting period(s): 1 to 2 months ($ 924), 2 to 3 months ($ 923) |
| April | Best time: 1 to 2 months before departure (average price: 803 $) Other interesting period(s): 0 to 1 month ($ 814) |
| May | Best time: 1 to 2 months before departure (average price: 944 $) Other interesting period(s): 2 to 3 months ($ 1020), 3 to 4 months ($ 1001) |
| June | Best time: 1 to 2 months before departure (average price: 1299 $) Other interesting period(s): 2 to 3 months ($ 1305), 3 to 4 months ($ 1309), 4 to 5 months ($ 1366), 6 to 7 months ($ 1435) |
| July | Best time: 3 to 4 months before departure (average price: 1230 $) Other interesting period(s): 1 to 2 months ($ 1450), 2 to 3 months ($ 1281), 4 to 5 months ($ 1312), 5 to 6 months ($ 1338) |
| August | Best time: 4 to 5 months before departure (average price: 1082 $) Other interesting period(s): 2 to 3 months ($ 1292), 3 to 4 months ($ 1145), 5 to 6 months ($ 1138), 6 to 7 months ($ 1220) |
| September | Best time: 5 to 6 months before departure (average price: 850 $) Other interesting period(s): 3 to 4 months ($ 874), 4 to 5 months ($ 854), 6 to 7 months ($ 887), 7 to 8 months ($ 887) |
| October | Best time: 6 to 7 months before departure (average price: 837 $) Other interesting period(s): 1 to 2 months ($ 963), 3 to 4 months ($ 968), 4 to 5 months ($ 910), 5 to 6 months ($ 862), 7 to 8 months ($ 859), 8 to 9 months ($ 866) |
| November | Best time: 6 to 7 months before departure (average price: 855 $) Other interesting period(s): 2 to 3 months ($ 983), 3 to 4 months ($ 954), 4 to 5 months ($ 970), 5 to 6 months ($ 909) |
| December | Best time: 1 to 2 months before departure (average price: 1177 $) Other interesting period(s): 0 to 1 month ($ 1272), 6 to 7 months ($ 1295) |
What day of the week should I book my flight ticket?
Data analysis:
Statistically, thursday is the day when plane tickets for Chicago->Cologne are the cheapest. So, by buying your plane ticket on a thursday, you will save $16. Conversely, by buying it on a sunday, you may end up paying $21 more.
Chicago to Cologne: flight price when booking today
Information: this data is not statistics but comes from real prices collected less than 7 days ago. Some months may not be available as we do not have enough data for them.
| Month | Current price | Our opinion | |
|---|---|---|---|
| April 2025 | $ 769 $745 to $795 | very good price | Find a flight |
| May 2025 | $ 746 $618 to $1300 | very good price | Find a flight |
| June 2025 | $ 813 $784 to $842 | very good price | Find a flight |
| August 2025 | $ 985 $778 to $1310 | very good price | Find a flight |
| November 2025 | $ 652 $652 to $652 | very good price | Find a flight |
Data analysis:
Compared to the average price, april, may, june, august and november are cheaper to travel to Cologne. So it may be interesting to book now to leave during these months!