$549 Cheap Flights from Chicago (ORD) to Cagliari (CAG)

View $549 flight on Fri, Nov 7, 2025Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Elmas Airport (CAG)

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Cheap Flights from Chicago to Cagliari (ORD-CAG)

Prices were available within the past 7 days and start at $549 for one-way flights and $842 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Mon, May 4 - Mon, May 11
ORD
Chicago
CAG
Cagliari
$842 Roundtrip, found 4 days ago
$842
Roundtrip
found 4 days ago
Select Air Canada flight, departing Mon, May 4 from Chicago to Cagliari, returning Mon, May 11, priced at $842 found 4 days ago
Air Canada
Mon, May 4 - Mon, May 11
ORD
Chicago
CAG
Cagliari
$848 Roundtrip, found 4 days ago
$848
Roundtrip
found 4 days ago
Select Air Canada flight, departing Mon, May 4 from Chicago to Cagliari, returning Mon, May 11, priced at $848 found 4 days ago
Air Canada
Mon, May 4 - Mon, May 11
ORD
Chicago
CAG
Cagliari
$850 Roundtrip, found 4 days ago
$850
Roundtrip
found 4 days ago
Select Air Canada flight, departing Mon, May 4 from Chicago to Cagliari, returning Mon, May 11, priced at $850 found 4 days ago
Air Canada
Tue, Apr 14 - Mon, Apr 27
ORD
Chicago
CAG
Cagliari
$851 Roundtrip, found 2 days ago
$851
Roundtrip
found 2 days ago
Select Air Canada flight, departing Tue, Apr 14 from Chicago to Cagliari, returning Mon, Apr 27, priced at $851 found 2 days ago
Air Canada
Mon, Apr 6 - Tue, Apr 21
ORD
Chicago
CAG
Cagliari
$856 Roundtrip, found 2 days ago
$856
Roundtrip
found 2 days ago
Select Air Canada flight, departing Mon, Apr 6 from Chicago to Cagliari, returning Tue, Apr 21, priced at $856 found 2 days ago
Air Canada
Wed, Apr 1 - Mon, Apr 20
ORD
Chicago
CAG
Cagliari
$857 Roundtrip, found 2 days ago
$857
Roundtrip
found 2 days ago
Select Air Canada flight, departing Wed, Apr 1 from Chicago to Cagliari, returning Mon, Apr 20, priced at $857 found 2 days ago
Swiss International Air Lines
Fri, Nov 7 - Sat, Nov 15
ORD
Chicago
CAG
Cagliari
$858 Roundtrip, found 5 days ago
$858
Roundtrip
found 5 days ago
Select Swiss International Air Lines flight, departing Fri, Nov 7 from Chicago to Cagliari, returning Sat, Nov 15, priced at $858 found 5 days ago
Lufthansa
Mon, May 4 - Mon, May 11
ORD
Chicago
CAG
Cagliari
$935 Roundtrip, found 4 days ago
$935
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Mon, May 4 from Chicago to Cagliari, returning Mon, May 11, priced at $935 found 4 days ago
Iberia
Wed, Aug 5 - Thu, Aug 13
ORD
Chicago
CAG
Cagliari
$952 Roundtrip, found 3 days ago
$952
Roundtrip
found 3 days ago
Select Iberia flight, departing Wed, Aug 5 from Chicago to Cagliari, returning Thu, Aug 13, priced at $952 found 3 days ago
British Airways
Tue, Jun 2 - Wed, Jun 17
ORD
Chicago
CAG
Cagliari
$991 Roundtrip, found 2 days ago
$991
Roundtrip
found 2 days ago
Select British Airways flight, departing Tue, Jun 2 from Chicago to Cagliari, returning Wed, Jun 17, priced at $991 found 2 days ago

Alternative airports near Cagliari

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Elmas CAG. Cheapest and Closest option available. Average driving time to city center is 9 minutes. Flights from $1,206
CAG
Elmas
CheapestClosest
Average driving time to city center9 min
Flights from $1,206

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Elmas Airport (CAG) cost?
Secure a cheap one-way flight from $549 or cheap return flight from $842 from O'Hare Intl. Airport (ORD) to Elmas Airport (CAG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from O'Hare Intl. Airport (ORD) to Elmas Airport (CAG)?
May is the least expensive month to fly from ORD to CAG. Traveling outside of peak seasons is often the key to finding better fares.
How many flights per day from O'Hare Intl. Airport (ORD) to Elmas Airport (CAG)?
There are no daily direct flights departing from O'Hare Intl. Airport (ORD) to Elmas Airport (CAG). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from ORD to CAG?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary depending on a number of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Elmas Airport (CAG)?
To arrive at Elmas Airport (CAG) without delays, select a flight that takes off from O'Hare Intl. Airport (ORD) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from O'Hare Intl. Airport (ORD) to Elmas Airport (CAG) last-minute?
Booking your plane ticket from ORD to CAG shortly before your journey is generally more expensive. But if you're flexible with your travel dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book an ORD to CAG flight and hotel package?
Compared with arranging hotels and flights separately, booking an ORD to CAG flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place will take the stress out of travel planning. Simply pick your flights and choose from our wide range of hotels, then customize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Elmas Airport (CAG)?
It's usually possible to cancel or reschedule your ORD to CAG flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
O'Hare Intl.
Destination airport
Elmas
Airlines serving
Air Canada, Austrian Airlines, British Airways, Lufthansa, Swiss International Air Lines
Roundtrip price
$841
Distance
4788 mi

Book with confidence

Chicago to Cagliari Flights

The cheapest times to fly from Chicago to Cagliari

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

 

The best time to book a flight from Chicago to Cagliari

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

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 Chicago to Cagliari in 2025. You can also book with separate airlines for your outbound and return journeys, from $549 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 Chicago to Cagliari 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 Chicago to Cagliari 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.

 

Chicago to Cagliari Flights

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*Available to One Key members.