The cheapest times to fly from ORD to CAG are

  • January 1st to April 1st (except the week of March 19th)
  • August 6th to September 23rd
  • October 22nd to December 9th (except the week of November 19th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from ORD to CAG is late January. Prices can be as high as $1697 for Saturday flights during mid December, or as low as $781 for Monday flights around late January.


When to Fly to Cagliari

Flying from Chicago, IL (ORD) to Cagliari (CAG) will usually cost between $861 to $1424 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January with an average ticket price of $863. Due to high demand the most expensive time to fly is mid December, with an average price of $1440. Planning your trip to low-cost times can easily save you $577 on economy flights and even more on first-class flights. Generally, any price below $1093 can be considered a good price for a round-trip ORD to CAG flight.

See below for a graph of average weekly prices for the ORD to CAG route. All prices are for round-trip tickets in USD.

ORD to CAG Flight Prices

Compared to other flights, the ORD to CAG flight is priced close to the average and costs about as much as the average flight leaving from Chicago. The average price per mile (for a direct flight) is $0.14, which is far below average.


Flight Prices by Day of the Week

Monday is usually the cheapest day to fly to CAG, and Wednesday the cheapest day to fly back into ORD. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $132 (11%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Monday and returning a week later will cost an average of $1051. Return trip prices are from the CAG to ORD flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from ORD to CAG can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 9 hour 36 minutes may not be realistic.


Flight Hacking ORD to CAG

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from ORD to CAG — but Champion Traveler does!

Hack #1: Barcelona (ORD > BCN > CAG)

  • Price for both tickets: $567
  • Average savings: $527 (48.17%)

See ORD to BCN flights

Hack #2: Madrid (ORD > MAD > CAG)

  • Price for both tickets: $698
  • Average savings: $396 (36.18%)

See ORD to MAD flights

Hack #3: Valencia (ORD > VLC > CAG)

  • Price for both tickets: $784
  • Average savings: $309 (28.27%)

See ORD to VLC flights


Flight Questions Answered

Still have questions about flying from ORD to CAG? We’ve got answers.

Which airlines fly this route?

You can find 14 major airlines flying this route most often: Air France, Alitalia, American, Austrian, British Airways, Brussels Airlines, Delta, Finnair, Iberia, KLM, Lufthansa, SWISS, Tap Air Portugal, United, and potentially more during busy seasons.

How far away is it from Elmas Airport to Chicago O’Hare International Airport?

The distance between the two airports is roughly 4788 miles or 7706 kilometers.

How long does it take to fly from ORD to CAG?

The real-world flight time for a nonstop ORD to CAG flight is about 9 hour 36 minutes.

How many flights go between Chicago, IL and Cagliari?

It depends on the day of the week and the date, but a typical day might have around 13 available flights from ORD to CAG.


Airport Location Info


Departing Airport

Origination code ORD
Origination airport name Chicago O’Hare International Airport
City Chicago, IL
Country the United States
Latitude 42
Longitude -87.9

Return Airport

Destination code CAG
Destination airport name Elmas Airport
City Cagliari
Country Italy
Latitude 39.3
Longitude 9.1


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.