Statistics on Chicago-Cork 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 Cork (from: Chicago)
The average price to go to Cork from Chicago airport is $ 802 (round trip). However, there are variations depending on the departure month. Thus, it is possible to pay for your plane ticket on average between $ 641 (in february) and $ 1101 (in july), which is a saving of $ 161 or a surplus of $ 299 (compared to the average price) depending on the period you leave.
The analysis of all prices reveals that the most frequent price is between $605 to $660 and it is generally more economical to leave on a wednesday and return on a monday on a flight with 1 or more layovers.
Be careful, the cheapest months may correspond to unfavorable weather periods . Check out our page best time to go to Cork before booking your flight.
If you want to know when to book your flight at the best price, go straight to the second part of this page: When to buy your Chicago-Cork plane ticket.
How are these data calculated?
We have studied a sample of 4359 airfare prices from previous years for flights to Cork from Chicago and can thus establish precise and credible price variation trends based on different parameters. Of course, prices can vary from year to year, but the seasonal aspect of this data (recurrence of school holidays, events... from year to year) makes these statistics quite reliable.
Average price depending on the departure month
Data analysis:
By leaving in february, the price of the plane ticket will statistically be the cheapest ($ 641, saving $ 161 compared to the average price over the year which is $ 802). Conversely, july will be the most expensive ($ 1101).
Flight Chicago-Cork: when is the best time to go for the best price?
| Month | Good price* | Average price | Our opinion |
|---|---|---|---|
| January | $ 582 | $ 701 | good price |
| February | $ 602 | $ 641 the cheapest | very good price |
| March | $ 655 | $ 760 | good price |
| April | $ 663 | $ 740 | good price |
| May | $ 718 | $ 810 | fair price |
| June | $ 912 | $ 1070 | high price |
| July | $ 990 | $ 1101 the most expensive | very high price |
| August | $ 768 | $ 897 | fair price |
| September | $ 649 | $ 705 | good price |
| October | $ 592 | $ 663 | good price |
| November | $ 591 | $ 659 | good price |
| December | $ 653 | $ 863 | fair 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 Cork
Data analysis:
The prices for flights from Chicago to Cork range from $440 to $1264. 1% of tickets were purchased at the minimum price (from $440 to $495), 2% at the maximum price (from $1209 to $1264). The majority of plane tickets were purchased in the range of $605 to $660 (14% of tickets).
Cheapest airlines for the Chicago->Cork flight
There are 17 companies that serve Chicago from Cork airport: Spirit Airlines, KLM, American Airlines, Delta, Icelandair, United, Air France, Frontier Airlines, Finnair, TAP, Aer Lingus, British Airways, Air Canada, Lufthansa, Porter Airlines, SAS and Iberia.
Data analysis:
Of the 4359 flights analyzed in previous years, Spirit Airlines was the airline that offered the best fare most often in the flight ticket search results (15% of the time) on the Chicago->Cork route.
Which day of the week to leave?
Data analysis:
Statistically, Chicago-Cork 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 $52. On the other hand, departing on a friday may cost you an additional $36.
Which day of the week to come back?
Data analysis:
Statistically, return flights from Cork to Chicago departing on a monday are cheaper than on other days of the week. By choosing a monday for your return date, you will save an average of $65. Conversely, departing from Cork on a friday may cost you an additional $113.
Top prices Chicago-Cork
| Round trip | Dates | Price | |
|---|---|---|---|
| Chicago → Cork | 13-04 to 21-04-2025 | $ 732 | layover flight with Frontier Airlines |
| Chicago → Cork | 05-05 to 12-05-2025 | $ 621 | layover flight with KLM |
| Chicago → Cork | 12-05 to 19-05-2025 | $ 613 | layover flight with American Airlines |
| Chicago → Cork | 13-05 to 20-05-2025 | $ 650 | layover flight with Spirit Airlines |
| Chicago → Cork | 15-05 to 22-05-2025 | $ 730 | layover flight with Spirit Airlines |
| Chicago → Cork | 12-09 to 19-09-2025 | $ 663 | layover flight with American Airlines |
| Chicago → Cork | 10-10 to 28-10-2025 | $ 758 | layover flight with American Airlines |
| Chicago → Cork | 13-10 to 28-10-2025 | $ 715 | layover flight with KLM |
| Chicago → Cork | 14-10 to 21-10-2025 | $ 546 | layover flight with American Airlines |
| Chicago → Cork | 01-12 to 08-12-2025 | $ 628 | layover flight with American Airlines |
When to book your flight Chicago - Cork to get the cheapest price?
Statistically, you will make the biggest savings by buying your plane ticket between 2 to 3 months in advance. However, you may end up paying a high price if you book between 9 to 10 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-Cork flight, it is recommended to book your ticket on a saturday.
How far in advance should I buy my flight?
Data analysis:
To get the cheapest flight ticket from Chicago to Cork, it is recommended to buy it 2 to 3 months before departure (it is then on average 758 $, which is a saving of 44 $ compared to the overall average price). On the other hand, if you buy your ticket 9 to 10 months in advance, you will pay the full price (51 $ more than the average price).
Depending on the departure month
The best time to buy your Chicago to Cork 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: 676 $) |
| February | Best time: 1 to 2 months before departure (average price: 630 $) |
| March | - |
| April | Best time: 1 to 2 months before departure (average price: 725 $) |
| May | Best time: 3 to 4 months before departure (average price: 740 $) Other interesting period(s): 1 to 2 months ($ 796) |
| June | - |
| July | Best time: 1 to 2 months before departure (average price: 1059 $) |
| August | Best time: 1 to 2 months before departure (average price: 820 $) |
| September | Best time: 4 to 5 months before departure (average price: 652 $) Other interesting period(s): 0 to 1 month ($ 704), 1 to 2 months ($ 705) |
| October | Best time: 1 to 2 months before departure (average price: 647 $) |
| November | Best time: 2 to 3 months before departure (average price: 577 $) Other interesting period(s): 1 to 2 months ($ 654) |
| December | - |
What day of the week should I book my flight ticket?
Data analysis:
Statistically, saturday is the day when plane tickets for Chicago->Cork are the cheapest. So, by buying your plane ticket on a saturday, you will save $8. Conversely, by buying it on a monday, you may end up paying $15 more.
Chicago to Cork: 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 | $ 738 $618 to $892 | fair price | Find a flight |
| May 2025 | $ 760 $613 to $972 | very good price | Find a flight |
| June 2025 | $ 871 $871 to $871 | very good price | Find a flight |
| July 2025 | $ 764 $764 to $764 | very good price | Find a flight |
| September 2025 | $ 663 $663 to $663 | very good price | Find a flight |
| October 2025 | $ 673 $546 to $758 | high price | Find a flight |
| December 2025 | $ 628 $628 to $628 | very good price | Find a flight |
Data analysis:
Compared to the average price, may, june, july, september and december are cheaper to travel to Cork. So it may be interesting to book now to leave during these months!