$484 Cheap Flights from Chicago (ORD) to Adelaide (ADL)

View $484 flight on Thu, May 7, 2026Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Adelaide, SA Airport (ADL)

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Cheap Flights from Chicago to Adelaide (ORD-ADL)

Prices were available within the past 7 days and start at $484 for one-way flights and $793 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sun, Nov 30 - Sat, Jan 31
ORD
Chicago
ADL
Adelaide
$793 Roundtrip, found 5 hours ago
$793
Roundtrip
found 5 hours ago
Select Air Canada flight, departing Sun, Nov 30 from Chicago to Adelaide, returning Sat, Jan 31, priced at $793 found 5 hours ago
Air Canada
Sun, Nov 30 - Sat, Jan 31
ORD
Chicago
ADL
Adelaide
$795 Roundtrip, found 5 hours ago
$795
Roundtrip
found 5 hours ago
Select Air Canada flight, departing Sun, Nov 30 from Chicago to Adelaide, returning Sat, Jan 31, priced at $795 found 5 hours ago
Air Canada
Sat, Feb 21 - Sat, Mar 7
ORD
Chicago
ADL
Adelaide
$795 Roundtrip, found 10 hours ago
$795
Roundtrip
found 10 hours ago
Select Air Canada flight, departing Sat, Feb 21 from Chicago to Adelaide, returning Sat, Mar 7, priced at $795 found 10 hours ago
Air Canada
Sun, Nov 30 - Sat, Jan 31
ORD
Chicago
ADL
Adelaide
$797 Roundtrip, found 5 hours ago
$797
Roundtrip
found 5 hours ago
Select Air Canada flight, departing Sun, Nov 30 from Chicago to Adelaide, returning Sat, Jan 31, priced at $797 found 5 hours ago
Air Canada
Sun, Nov 30 - Sat, Jan 31
ORD
Chicago
ADL
Adelaide
$798 Roundtrip, found 5 hours ago
$798
Roundtrip
found 5 hours ago
Select Air Canada flight, departing Sun, Nov 30 from Chicago to Adelaide, returning Sat, Jan 31, priced at $798 found 5 hours ago
Air Canada
Sun, Nov 30 - Sat, Jan 31
ORD
Chicago
ADL
Adelaide
$800 Roundtrip, found 5 hours ago
$800
Roundtrip
found 5 hours ago
Select Air Canada flight, departing Sun, Nov 30 from Chicago to Adelaide, returning Sat, Jan 31, priced at $800 found 5 hours ago
United
Mon, Mar 2 - Mon, Mar 16
ORD
Chicago
ADL
Adelaide
$861 Roundtrip, found 4 days ago
$861
Roundtrip
found 4 days ago
Select United flight, departing Mon, Mar 2 from Chicago to Adelaide, returning Mon, Mar 16, priced at $861 found 4 days ago
Qantas Airways
Wed, Mar 11 - Tue, Mar 24
ORD
Chicago
ADL
Adelaide
$1,541 Roundtrip, found 3 days ago
$1,541
Roundtrip
found 3 days ago
Select Qantas Airways flight, departing Wed, Mar 11 from Chicago to Adelaide, returning Tue, Mar 24, priced at $1,541 found 3 days ago
Air New Zealand
Mon, Feb 2 - Wed, Feb 11
ORD
Chicago
ADL
Adelaide
$1,542 Roundtrip, found 5 days ago
$1,542
Roundtrip
found 5 days ago
Select Air New Zealand flight, departing Mon, Feb 2 from Chicago to Adelaide, returning Wed, Feb 11, priced at $1,542 found 5 days ago
American Airlines
Wed, May 6 - Sat, May 23
ORD
Chicago
ADL
Adelaide
$1,661 Roundtrip, found 13 hours ago
$1,661
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Wed, May 6 from Chicago to Adelaide, returning Sat, May 23, priced at $1,661 found 13 hours ago

Alternative airports near Adelaide

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

Select flight to Adelaide, SA Airport ADL. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $1,153
ADL
Adelaide, SA Airport
CheapestClosest
Average driving time to city center11 min
Flights from $1,153

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Adelaide Airport (ADL) cost?
Get a cheap one-way flight from $484 or cheap return flight from $793 from O'Hare Intl. Airport (ORD) to Adelaide Airport (ADL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from O'Hare Intl. Airport (ORD) to Adelaide Airport (ADL)?
November is the least expensive month to fly from ORD to ADL. Traveling during quieter months is often the key to finding better deals on flights.
What is the cheapest airline that flies from O'Hare Intl. Airport (ORD) to Adelaide Airport (ADL)?
To find the cheapest airline that'll fly you from ORD to ADL, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from O'Hare Intl. Airport (ORD) to Adelaide Airport (ADL)?
You'll need to take a flight with a layover when traveling from O'Hare Intl. Airport (ORD) to Adelaide Airport (ADL). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from ORD to ADL?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* However, this can vary depending on the season, carrier and other factors.*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 Adelaide Airport (ADL)?
Opt for a flight from O'Hare Intl. Airport (ORD) to Adelaide Airport (ADL) that takes off before 3 PM to reduce the likelihood of delays. Departures later than this are on average 22% more likely to be canceled.**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 Adelaide Airport (ADL) last-minute?
Last-minute fares from ORD to ADL are generally more expensive. To lock in the lowest rates, start looking for flights ahead of time. That being said, if you're flexible with your travel dates, you may score a cheap ticket just before your departure.
Is it cheaper to book an ORD to ADL flight and hotel package?
You can save money by securing an ORD to ADL flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've selected your ideal accommodations and flights, you can add extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Adelaide Airport (ADL)?
Generally, it's possible to cancel or reschedule your ORD to ADL flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
O'Hare Intl.
Destination airport
Adelaide
Airlines serving
Air Canada, Air New Zealand, All Nippon Airways, American Airlines, Cathay Pacific, Emirates, JetBlue Airways, Lufthansa, Qantas Airways, Qatar Airways, United
Roundtrip price
$792
Distance
9908 mi

Book with confidence

Chicago to Adelaide Flights

The cheapest times to fly from Chicago to Adelaide

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

 

The best time to book a flight from Chicago to Adelaide

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

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 Adelaide in 2025. You can also book with separate airlines for your outbound and return journeys, from $484 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 Adelaide 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 Adelaide 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 Adelaide Flights

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*Available to One Key members.