Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Chicago O'Hare Intl Airport to Cagliari from $650

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Cagliari departing on 10/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Chicago O'Hare Intl Airport to Cagliari (ORD-CAG)

Cheap round-trip flights

Logo
7:05 pm - 8:50 pmORD-CAG
18h 45m2 stops
Logo
1:20 pm - 5:20 pmCAG-ORD
34h 00m2 stops
$650
Find Deal
Wed, Oct 22 - Mon, Oct 27
Logo
7:50 pm - 9:30 pmORD-CAG
18h 40m2 stops
Logo
8:30 pm - 10:00 pmCAG-ORD
56h 30m2 stops
$695
Find Deal
Thu, Sep 11 - Sat, Sep 20
Logo
7:50 pm - 11:40 pmORD-CAG
20h 50m2 stops
Logo
8:30 pm - 9:40 amCAG-ORD
44h 10m2 stops
$766
Find Deal
Mon, Sep 8 - Sat, Sep 20
Logo
11:25 am - 9:10 pmORD-CAG
26h 45m2 stops
Logo
1:30 pm - 9:40 amCAG-ORD
27h 10m2 stops
$808
Find Deal
Sat, Sep 6 - Tue, Sep 16
Logo
6:15 pm - 10:45 pmORD-CAG
21h 30m2 stops
Logo
9:35 pm - 4:10 pmCAG-ORD
25h 35m2 stops
$923
Find Deal
Sat, Aug 30 - Thu, Sep 11
Logo
3:00 pm - 7:40 pmORD-CAG
21h 40m1 stop
Logo
9:35 pm - 4:10 pmCAG-ORD
25h 35m2 stops
$951
Find Deal
Sat, Aug 30 - Thu, Sep 11
Delta Logo
5:15 pm - 6:00 pmORD-CAG
17h 45m2 stops
Delta Logo
5:05 pm - 2:40 pmCAG-ORD
28h 35m1 stop
$979Delta
Find Deal
Fri, Sep 26 - Sun, Oct 5
Delta Logo
2:05 pm - 6:00 pmORD-CAG
20h 55m2 stops
Delta Logo
5:05 pm - 6:14 pmCAG-ORD
32h 09m2 stops
$989Delta
Find Deal
Fri, Sep 26 - Sun, Oct 5
Iberia Logo
1:59 pm - 9:50 amORD-CAG
36h 51m2 stops
Iberia Logo
11:40 pm - 1:30 pmCAG-ORD
20h 50m1 stop
$1,074Iberia
Find Deal
Sat, Sep 27 - Wed, Oct 8
SWISS Logo
7:05 pm - 8:25 pmORD-CAG
18h 20m1 stop
SWISS Logo
8:55 am - 3:55 pmCAG-ORD
14h 00m1 stop
$1,161SWISS
Find Deal
Thu, Sep 11 - Sat, Sep 20

Delta flights from Chicago O'Hare Intl Airport to Cagliari

Our best Delta deals on Chicago O'Hare Intl Airport to Cagliari flight tickets
Delta
Sep 26
ORD5:15 pmChicago O'Hare Intl
17h 45m
2 stops
CAG6:00 pmCagliari Elmas
Oct 5
CAG5:05 pmCagliari Elmas
28h 35m
1 stop
ORD2:40 pmChicago O'Hare Intl
$979
Find similar
Delta
Sep 26
ORD2:05 pmChicago O'Hare Intl
20h 55m
2 stops
CAG6:00 pmCagliari Elmas
Oct 5
CAG5:05 pmCagliari Elmas
32h 09m
2 stops
ORD6:14 pmChicago O'Hare Intl
$989
Find similar
Delta
Sep 11
ORD6:59 pmChicago O'Hare Intl
40h 01m
2 stops
CAG6:00 pmCagliari Elmas
Sep 20
CAG5:05 pmCagliari Elmas
28h 05m
1 stop
ORD2:10 pmChicago O'Hare Intl
$1,016
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Cagliari that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 18, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Cagliari that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Wed 10/22

7:05 pm-8:50 pm

2 stops18h 45m

Cagliari Elmas

Mon 10/27

1:20 pm-5:20 pm

2 stops34h 00m

$650

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Thu 9/11

7:50 pm-9:30 pm

2 stops18h 40m

Cagliari Elmas

Sat 9/20

8:30 pm-10:00 pm

2 stops56h 30m

$695

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Mon 9/8

7:50 pm-11:40 pm

2 stops20h 50m

Cagliari Elmas

Sat 9/20

8:30 pm-9:40 am

2 stops44h 10m

$766

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Sat 9/6

11:25 am-9:10 pm

2 stops26h 45m

Cagliari Elmas

Tue 9/16

1:30 pm-9:40 am

2 stops27h 10m

$808

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Sat 8/30

6:15 pm-10:45 pm

2 stops21h 30m

Cagliari Elmas

Thu 9/11

9:35 pm-4:10 pm

2 stops25h 35m

$923

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Sat 8/30

3:00 pm-7:40 pm

1 stop21h 40m

Cagliari Elmas

Thu 9/11

9:35 pm-4:10 pm

2 stops25h 35m

$951

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Fri 9/26

5:15 pm-6:00 pm

2 stops17h 45m

Cagliari Elmas

Sun 10/5

5:05 pm-2:40 pm

1 stop28h 35m

$979

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Fri 9/26

2:05 pm-6:00 pm

2 stops20h 55m

Cagliari Elmas

Sun 10/5

5:05 pm-6:14 pm

2 stops32h 09m

$989

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Sat 9/27

1:59 pm-9:50 am

2 stops36h 51m

Cagliari Elmas

Wed 10/8

11:40 pm-1:30 pm

1 stop20h 50m

$1,074

ChicagoCagliari

ORD - CAG

ORDCAG

Chicago O'Hare Intl

Thu 9/11

7:05 pm-8:25 pm

1 stop18h 20m

Cagliari Elmas

Sat 9/20

8:55 am-3:55 pm

1 stop14h 00m

$1,161

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Cagliari from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Cagliari

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Cagliari?

The cheapest day to depart from Chicago O'Hare Intl Airport to Cagliari is on a Sunday when prices can be found for as low as $957. On the other hand, Monday is the most expensive day to depart from Chicago O'Hare Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,345.

What is the cheapest time of day to depart on your flight to Cagliari?

Our most recent data shows that the best time of day to fly to Cagliari is in the evening. Flights from Chicago O'Hare Intl Airport to Cagliari during this time can be as low as $911. Try not to purchase tickets in the afternoon because they tend to be around $1,072. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Chicago O'Hare Intl Airport to Cagliari

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Cagliari according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Cagliari (ORD to CAG) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Cagliari

Best Price Found

$650

Fastest flight time

12h 55m

Direct flights

None

Airports in Cagliari

1 airport
The best flight deal from Chicago O'Hare Intl Airport to Cagliari found on momondo in the last 72 hours is $650
The fastest flight from Chicago O'Hare Intl Airport to Cagliari takes 12h 55m
There are no direct flights from Chicago O'Hare Intl Airport to Cagliari. Popular non-direct route for this connection is Chicago O'Hare Intl Airport - Cagliari Elmas Airport.
There is 1 airport near Cagliari: Cagliari Elmas (CAG)
Search flight deals

  • How far is Chicago O'Hare Intl to Cagliari Elmas by plane?

    Chicago O'Hare Intl and Cagliari Elmas are 4788.9 mi apart from one another. By plane, this route typically takes 12h 55m.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Cagliari Elmas Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Cagliari Elmas Airport are updated daily.

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Cagliari Elmas Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Cagliari Elmas Airport.

  • What documentation or ID do you need to fly to Cagliari Elmas Airport?

    The travel and health documents you'll need for your trip to Cagliari Elmas Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Cagliari Elmas Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Cagliari?

Book flights to Cagliari if you plan to visit one of these locations
Villasimius
Arbatax
Oristano
Pula

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Cagliari?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Cagliari. momondo saves you time and could save you money on your trip.

Can I find flights from Chicago to Cagliari with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Chicago to Cagliari flights to just show those with flexible booking policies.

How can momondo help me find flights from Chicago to Cagliari?

momondo provides multiple filters to help you find the best flight to Cagliari from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Chicago to Cagliari right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Cagliari, momondo offers a useful price alert feature which will track prices for flights to Cagliari from Chicago and alert you when they change.

An easier way to manage your Cagliari trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 8/23
Sat 8/30
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Italy