Statistics on Chicago-Cagliari 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 Cagliari (from: Chicago)
The average price to go to Cagliari from Chicago airport is $ 904 (round trip). However, there are variations depending on the departure month. Thus, it is possible to pay for your plane ticket on average between $ 739 (in february) and $ 1151 (in june), which is a saving of $ 166 or a surplus of $ 248 (compared to the average price) depending on the period you leave.
The analysis of all prices reveals that the most frequent price is between $705 to $759 and it is generally more economical to leave on a wednesday and return on a wednesday on a flight with 1 or more layovers.
Be careful, the cheapest months may correspond to unfavorable weather periods . Check out our page best time to go to Cagliari before booking your flight.
If you want to know when to book your flight at the best price, go straight to the second part of this page: When to buy your Chicago-Cagliari plane ticket.
How are these data calculated?
We have studied a sample of 7286 airfare prices from previous years for flights to Cagliari from Chicago and can thus establish precise and credible price variation trends based on different parameters. Of course, prices can vary from year to year, but the seasonal aspect of this data (recurrence of school holidays, events... from year to year) makes these statistics quite reliable.
Average price depending on the departure month
Data analysis:
By leaving in february, the price of the plane ticket will statistically be the cheapest ($ 739, saving $ 166 compared to the average price over the year which is $ 904). Conversely, june will be the most expensive ($ 1151).
Flight Chicago-Cagliari: when is the best time to go for the best price?
| Month | Good price* | Average price | Our opinion |
|---|---|---|---|
| January | $ 682 | $ 812 | good price |
| February | $ 678 | $ 739 the cheapest | very good price |
| March | $ 720 | $ 801 | good price |
| April | $ 728 | $ 789 | good price |
| May | $ 788 | $ 867 | fair price |
| June | $ 1048 | $ 1151 the most expensive | very high price |
| July | $ 1059 | $ 1149 | high price |
| August | $ 952 | $ 1043 | high price |
| September | $ 760 | $ 848 | good price |
| October | $ 696 | $ 759 | good price |
| November | $ 741 | $ 850 | fair price |
| December | $ 836 | $ 1035 | 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 Cagliari
Data analysis:
The prices for flights from Chicago to Cagliari range from $542 to $1355. 2% of tickets were purchased at the minimum price (from $542 to $597), 1% at the maximum price (from $1301 to $1355). The majority of plane tickets were purchased in the range of $705 to $759 (12% of tickets).
Cheapest airlines for the Chicago->Cagliari flight
There are 14 companies that serve Chicago from Cagliari airport: Turkish Airlines, Spirit Airlines, Icelandair, TAP, jetBlue, SAS, United, Swiss, Frontier Airlines, WestJet, Lufthansa, Ita Airways, Aer Lingus and Air Canada.
Data analysis:
Of the 7286 flights analyzed in previous years, Turkish Airlines was the airline that offered the best fare most often in the flight ticket search results (22% of the time) on the Chicago->Cagliari route.
Which day of the week to leave?
Data analysis:
Statistically, Chicago-Cagliari 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 $44. On the other hand, departing on a friday may cost you an additional $55.
Which day of the week to come back?
Data analysis:
Statistically, return flights from Cagliari to Chicago departing on a wednesday are cheaper than on other days of the week. By choosing a wednesday for your return date, you will save an average of $55. Conversely, departing from Cagliari on a friday may cost you an additional $71.
Top prices Chicago-Cagliari
| Round trip | Dates | Price | |
|---|---|---|---|
| Chicago → Cagliari | 02-05 to 09-05-2025 | $ 668 | layover flight with Spirit Airlines |
| Chicago → Cagliari | 03-05 to 10-05-2025 | $ 631 | layover flight with Spirit Airlines |
| Chicago → Cagliari | 04-05 to 17-05-2025 | $ 659 | layover flight with Spirit Airlines |
| Chicago → Cagliari | 07-05 to 14-05-2025 | $ 649 | layover flight with Spirit Airlines |
| Chicago → Cagliari | 08-05 to 15-05-2025 | $ 680 | layover flight with Spirit Airlines |
| Chicago → Cagliari | 13-05 to 20-05-2025 | $ 697 | layover flight with Spirit Airlines |
| Chicago → Cagliari | 14-05 to 21-05-2025 | $ 671 | layover flight with Spirit Airlines |
| Chicago → Cagliari | 13-09 to 20-09-2025 | $ 690 | layover flight with SAS |
| Chicago → Cagliari | 13-10 to 20-10-2025 | $ 600 | layover flight with SAS |
| Chicago → Cagliari | 15-10 to 22-10-2025 | $ 675 | layover flight with TAP |
When to book your flight Chicago - Cagliari to get the cheapest price?
Statistically, you will make the biggest savings by buying your plane ticket between 1 to 2 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-Cagliari flight, it is recommended to book your ticket on a friday.
How far in advance should I buy my flight?
Data analysis:
To get the cheapest flight ticket from Chicago to Cagliari, it is recommended to buy it 1 to 2 months before departure (it is then on average 813 $, which is a saving of 91 $ 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 (239 $ more than the average price).
Depending on the departure month
The best time to buy your Chicago to Cagliari 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: 2 to 3 months before departure (average price: 727 $) Other interesting period(s): 0 to 1 month ($ 781), 1 to 2 months ($ 749) |
| February | Best time: 3 to 4 months before departure (average price: 680 $) Other interesting period(s): 1 to 2 months ($ 720), 2 to 3 months ($ 704) |
| March | Best time: 4 to 5 months before departure (average price: 749 $) Other interesting period(s): 1 to 2 months ($ 800), 3 to 4 months ($ 796) |
| April | Best time: 5 to 6 months before departure (average price: 766 $) Other interesting period(s): 1 to 2 months ($ 770) |
| May | Best time: 1 to 2 months before departure (average price: 831 $) Other interesting period(s): 2 to 3 months ($ 836), 3 to 4 months ($ 859), 6 to 7 months ($ 840) |
| June | Best time: 3 to 4 months before departure (average price: 1072 $) Other interesting period(s): 7 to 8 months ($ 1121) |
| July | Best time: 1 to 2 months before departure (average price: 998 $) Other interesting period(s): 4 to 5 months ($ 1133), 8 to 9 months ($ 1143) |
| August | Best time: 5 to 6 months before departure (average price: 1006 $) Other interesting period(s): 1 to 2 months ($ 1031) |
| September | Best time: 1 to 2 months before departure (average price: 743 $) Other interesting period(s): 0 to 1 month ($ 841), 2 to 3 months ($ 830), 6 to 7 months ($ 834), 7 to 8 months ($ 830) |
| October | Best time: 1 to 2 months before departure (average price: 658 $) |
| November | Best time: 0 to 1 month before departure (average price: 747 $) |
| December | Best time: 1 to 2 months before departure (average price: 880 $) Other interesting period(s): 0 to 1 month ($ 1026) |
What day of the week should I book my flight ticket?
Data analysis:
Statistically, friday is the day when plane tickets for Chicago->Cagliari are the cheapest. So, by buying your plane ticket on a friday, you will save $18. Conversely, by buying it on a monday, you may end up paying $23 more.
Chicago to Cagliari: 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 | $ 856 $705 to $1009 | high price | Find a flight |
| May 2025 | $ 767 $631 to $1242 | very good price | Find a flight |
| June 2025 | $ 1037 $814 to $1180 | very good price | Find a flight |
| July 2025 | $ 1052 $1002 to $1109 | very good price | Find a flight |
| August 2025 | $ 942 $745 to $1105 | very good price | Find a flight |
| September 2025 | $ 759 $690 to $906 | very good price | Find a flight |
| October 2025 | $ 806 $600 to $985 | high price | Find a flight |
| November 2025 | $ 866 $710 to $1095 | high price | Find a flight |
| January 2026 | $ 1027 $890 to $1153 | very high price | Find a flight |
| February 2026 | $ 1053 $974 to $1199 | very high price | Find a flight |
Data analysis:
Compared to the average price, may, june, july, august and september are cheaper to travel to Cagliari. So it may be interesting to book now to leave during these months!