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Cheap flights from Chicago O'Hare Intl Airport to Adelaide from $1,540

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ADL
28 Aug — 4 Sep1
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 29 July 2026.

Tue 8/915:40
ORD
-
ADL
2 stops29h 40m
Air Canada
Tue 15/920:00
ADL
-
ORD
2 stops33h 13m
Air Canada
Deal found 25/7$1,716
Tue 8/915:40
ORD
-
ADL
2 stops31h 45m
Multiple Airlines
Tue 15/920:00
ADL
-
ORD
3 stops38h 18m
Multiple Airlines
Deal found 25/7$1,747
Wed 9/919:03
ORD
-
ADL
2 stops28h 07m
Qantas Airways
Wed 16/906:00
ADL
-
ORD
2 stops24h 23m
Qantas Airways
Deal found 26/7$1,765
Mon 10/815:54
ORD
-
ADL
2 stops27h 01m
Qantas Airways
Wed 19/806:00
ADL
-
ORD
2 stops25h 21m
Qantas Airways
Deal found 27/7$1,778
Mon 17/819:00
ORD
-
ADL
2 stops26h 25m
Qantas Airways
Mon 24/806:00
ADL
-
ORD
2 stops25h 21m
Qantas Airways
Deal found 26/7$1,793

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 29 July 2026.

Round-trip from

$1,716

One-way from

$1,540

Popular in

January

Cheapest in

June

Average price

$1,286
Air Canada
  • Air Canada
  • 8/9-15/9
  • 4 total stops
  • 62h 53m total
  • Chicago to Adelaide
Search Deals
Air New Zealand
  • Air New Zealand
  • 7/9
  • 2 total stops
  • 36h 55m total
  • Chicago to Adelaide
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($1,151 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 15% potential price decrease ($493 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
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 29 July 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Adelaide that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Tue 8/9

15:40-13:55

2 stops31h 45m

Adelaide

Tue 15/9

20:00-19:48

3 stops38h 18m

$1,755

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 10/8

15:54-09:25

2 stops27h 01m

Adelaide

Wed 19/8

06:00-16:51

2 stops25h 21m

$1,778
Fastest return journey

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Wed 9/9

19:03-11:05

2 stops25h 32m

Adelaide

Wed 16/9

06:00-15:53

2 stops24h 23m

$1,845

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Thu 1/10

15:40-15:55

2 stops33h 45m

Adelaide

Sat 17/10

06:00-16:45

2 stops26h 15m

$1,964

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 10/8

19:00-11:55

2 stops26h 25m

Adelaide

Wed 19/8

13:25-00:28

3 stops25h 33m

$1,978

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Tue 8/9

19:20-15:00

1 stop29h 10m

Adelaide

Tue 15/9

18:50-15:05

2 stops34h 45m

$2,048

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 7/9

19:20-15:00

1 stop29h 10m

Adelaide

Mon 14/9

17:50-15:05

2 stops35h 45m

$2,050
Cheapest one-way
Fastest single journey

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Fri 11/9

15:20-09:25

2 stops27h 35m

$1,594

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 7/9

19:20-15:00

1 stop29h 10m

$1,770

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Fri 11/9

09:55-13:55

3 stops37h 30m

$2,205

Flights are sorted by cheapest return flights first.

Deals found on 28/7

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

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.

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 $1,778, Air Canada can have you in Adelaide from Chicago O'Hare Intl Airport in 27h 01m. 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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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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