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Cheap flights from Chicago O'Hare Intl Airport to Adelaide from $1,688

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ADL
15 Jan — 22 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from O'Hare Intl to Adelaide

Enter your travel dates to find the best prices.

Cheapest flights from O'Hare Intl to Adelaide
Explore the most affordable flight options available from O'Hare Intl to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 December 2025.

Tue 16/1218:17ORD - ADL
2 stops26h 53mQantas Airways
Tue 30/1212:35ADL - ORD
2 stops25h 04mQantas Airways
Deal found 14/12$3,763
Tue 16/1218:50ORD - ADL
1 stop29h 45mQatar Airways
Tue 30/1222:00ADL - ORD
1 stop33h 00mQatar Airways
Deal found 15/12$5,084
Tue 16/1214:00ORD - ADL
3 stops35h 40mAir Canada
Tue 30/1218:55ADL - ORD
2 stops41h 29mAir Canada
Deal found 15/12$7,298

Find flight deals from O'Hare Intl to Adelaide

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Adelaide (ADL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 16 December 2025.

Round-trip from

$1,628

Popular in

December

Cheapest in

June

Average price

$2,987
Air Canada
  • Air Canada
  • 5/2-4/3
  • 4 total stops
  • 68h 31m total
  • Chicago to Adelaide
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($516 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($151 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from O'Hare Intl to Adelaide 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, Cheapflights users made 647,157 searches. Data last updated 16 December 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Adelaide that are best for you.

Fly from

O'Hare Intl

Fly to

Adelaide

Route

Depart

Return

Price

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Thu 5/2

18:40-13:40

2 stops26h 30m

Adelaide

Wed 4/3

16:10-23:40

2 stops24h 00m

$1,688

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Thu 5/2

14:00-16:10

3 stops33h 40m

Adelaide

Wed 4/3

18:55-14:41

2 stops36h 16m

$1,732

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Thu 5/2

09:00-09:30

1 stop32h 00m

Adelaide

Wed 4/3

14:55-19:55

1 stop21h 30m

$1,825

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Wed 25/2

15:35-22:30

2 stops38h 25m

Adelaide

Sun 1/3

06:10-14:41

2 stops25h 01m

$2,161

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Wed 25/2

14:35-10:30

1 stop27h 25m

Adelaide

Sun 1/3

12:00-12:55

1 stop41h 25m

$2,806

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sat 20/12

21:04-10:55

2 stops45h 21m

$2,418

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sat 20/12

16:20-09:30

1 stop24h 40m

$2,430

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sat 20/12

20:30-13:55

3 stops48h 55m

$4,633

Flights are sorted by cheapest return flights first.

Deals found on 13/12

Best time to book a flight from O'Hare Intl to Adelaide

Have a flexible travel schedule? Discover the best time to fly to Adelaide from O'Hare Intl with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Adelaide

How much does it cost for a return flight from Chicago O'Hare Intl Airport to Adelaide?

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Adelaide. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Adelaide from Chicago O'Hare Intl?

    If you book a flight to Adelaide from Chicago O'Hare Intl, you will be flying to Adelaide, which is the city’s only airport. Adelaide (ADL) is located 6.6 km from the centre of Adelaide. There are 0 flights from Chicago O'Hare Intl to Adelaide per day from 0 different airlines.

  • How long is the flight from Chicago O'Hare Intl Airport to Adelaide?

    For as low as $1,688, Qantas Airways can have you in Adelaide from Chicago O'Hare Intl Airport in 26h 30m. Chicago O'Hare Intl Airport and Adelaide are separated by a distance of 15937 km. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from O'Hare Intl to Adelaide that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Adelaide flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Adelaide?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Adelaide.

  • Can I find deals for business class flights from O'Hare Intl to Adelaide?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Adelaide by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Adelaide?

Book flights to Adelaide if you plan to visit one of these locations
Glenelg

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Fly with Cheapflights

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How does Cheapflights help users find flights from O'Hare Intl to Adelaide?

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Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to Adelaide?

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Can Cheapflights find flights from O'Hare Intl to Adelaide with no change fees?

Need flexible booking options for your flight to Adelaide from O'Hare Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from O'Hare Intl to Adelaide become cheaper?

Yes! Start tracking prices for O'Hare Intl to Adelaide flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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