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Cheap flights from Chicago O'Hare Intl Airport to Adelaide from $995

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 17/11. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ADL
16 Oct — 23 Oct1
1 adult
1 adult, Economy

Cheap 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 September 2025.

Round-trip from

$1,747

One-way from

$995

Popular in

December

Cheapest in

May

Average price

$2,532
26/10-14/11
  • 26/10-14/11
  • 4 total stops
  • 63h 35m total
  • Chicago to Adelaide
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17/11
  • 17/11
  • 3 total stops
  • 49h 55m total
  • Chicago to Adelaide
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($611 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease ($205 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Find flight deals from O'Hare Intl to Adelaide

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 September 2025.

Sun 26/1007:25ORD - ADL
2 stops36h 00mMultiple Airlines
Fri 14/1111:55ADL - ORD
2 stops27h 35mMultiple Airlines
Deal found 14/9$1,747
Sat 29/1118:23ORD - ADL
2 stops32h 22mQantas Airways
Sun 14/1206:05ADL - ORD
2 stops26h 32mQantas Airways
Deal found 15/9$2,523
Sat 29/1113:10ORD - ADL
2 stops29h 15mAir Canada
Sun 14/1206:00ADL - ORD
3 stops32h 35mAir Canada
Deal found 15/9$2,902
Sun 26/1015:40ORD - ADL
2 stops30h 45mAir Canada
Fri 14/1106:00ADL - ORD
3 stops30h 00mAir Canada
Deal found 14/9$2,905
Sat 29/1118:50ORD - ADL
1 stop29h 45mQatar Airways
Sun 14/1218:20ADL - ORD
2 stops36h 40mQatar Airways
Deal found 15/9$3,288
Tue 16/1212:45ORD - ADL
2 stops29h 40mAir New Zealand
Tue 30/1207:50ADL - ORD
2 stops25h 15mAir New Zealand
Deal found 14/9$3,482

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 September 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

Sun 26/10

07:25-10:55

2 stops36h 00m

Adelaide

Fri 14/11

11:55-23:00

2 stops27h 35m

$1,747

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sat 29/11

18:23-19:15

2 stops32h 22m

Adelaide

Sun 14/12

06:05-16:07

2 stops26h 32m

$2,523

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sun 26/10

15:40-13:55

2 stops30h 45m

Adelaide

Fri 14/11

06:00-19:30

3 stops30h 00m

$2,905

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sat 29/11

18:50-17:05

1 stop29h 45m

Adelaide

Sun 14/12

18:20-14:30

2 stops36h 40m

$3,288

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Tue 16/12

12:45-10:55

2 stops29h 40m

Adelaide

Tue 30/12

07:50-16:35

2 stops25h 15m

$3,482

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sat 29/11

21:20-13:55

3 stops48h 05m

Adelaide

Sun 14/12

06:00-08:05

3 stops42h 35m

$3,705

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 17/11

11:50-06:15

3 stops49h 55m

$995

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sat 17/1

16:45-12:15

2 stops27h 00m

$1,141

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sat 17/1

07:45-19:00

3 stops42h 45m

$1,358

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sat 17/1

09:00-09:30

1 stop32h 00m

$1,388

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 14 results
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 $2,905, Qantas Airways can have you in Adelaide from Chicago O'Hare Intl Airport in 30h 45m. 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.

  • What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Adelaide?

    Currently, June is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Adelaide (average of $168). Flying from Chicago O'Hare Intl Airport to Adelaide in October is currently the most expensive (average of $241). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Adelaide?

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

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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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