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$1,158+ Cheap flights from O'Hare Intl (ORD) to Adelaide (ADL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ADL
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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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 August 14, 2025.

Round-trip from

$1,158
(Trip.com)

Popular in

December

Cheapest in

May

Average price

$1,572
From Chicago O'Hare Intl to Adelaide
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Highest demand for flights based on searches. 14% potential increase in price ($251 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($87 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 14, 2025.

This Trip.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/277:00 amORD - ADL
2 stops38h 05mMultiple Airlines
Sat 10/412:35 pmADL - ORD
2 stops25h 08mMultiple Airlines
Deal found 8/13$1,158
This oojo deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/42:30 pmORD - ADL
2 stops27h 55mAir New Zealand
Fri 11/1411:55 amADL - ORD
2 stops24h 05mAir New Zealand
Deal found 8/14$1,260
This Air Canada deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/63:45 pmORD - ADL
2 stops29h 35mAir Canada
Tue 9/166:10 amADL - ORD
2 stops28h 24mAir Canada
Deal found 8/12$1,409
This FlightHub deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/67:20 pmORD - ADL
1 stop30h 00mQatar Airways
Tue 9/166:20 pmADL - ORD
2 stops35h 00mQatar Airways
Deal found 8/13$1,547
This KAYAK deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/46:50 pmORD - ADL
2 stops35h 05mQatar Airways
Fri 11/1410:00 pmADL - ORD
1 stop33h 00mQatar Airways
Deal found 8/14$1,593
This Air Canada deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/43:40 pmORD - ADL
2 stops34h 00mAir Canada
Fri 11/147:55 pmADL - ORD
3 stops40h 05mAir Canada
Deal found 8/14$1,688
This Air Canada deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/173:40 pmORD - ADL
2 stops31h 45mAir Canada
Tue 9/167:00 pmADL - ORD
2 stops34h 30mAir Canada
Deal found 8/13$1,736

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated August 14, 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

Sat 9/27

7:00 am-11:35 am

2 stops38h 05m

Adelaide

Sat 10/4

12:35 pm-11:13 pm

2 stops25h 08m

$1,158

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Tue 11/4

2:30 pm-10:55 am

2 stops27h 55m

Adelaide

Fri 11/14

11:55 am-7:30 pm

2 stops24h 05m

$1,260

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sun 9/28

6:30 am-12:05 pm

2 stops39h 05m

Adelaide

Sun 10/5

6:00 am-10:43 pm

2 stops32h 13m

$1,526

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sat 9/6

7:20 pm-3:50 pm

1 stop30h 00m

Adelaide

Tue 9/16

6:20 pm-2:50 pm

2 stops35h 00m

$1,547

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Tue 11/4

6:50 pm-10:25 pm

2 stops35h 05m

Adelaide

Fri 11/14

10:00 pm-2:30 pm

1 stop33h 00m

$1,593

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Tue 11/4

3:40 pm-6:10 pm

2 stops34h 00m

Adelaide

Fri 11/14

7:55 pm-7:30 pm

3 stops40h 05m

$1,688

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sun 8/17

3:40 pm-1:55 pm

2 stops31h 45m

Adelaide

Tue 9/16

7:00 pm-3:00 pm

2 stops34h 30m

$1,736

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Fri 12/19

9:23 pm-9:30 am

2 stops43h 37m

$1,492

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Fri 12/19

7:20 pm-12:15 pm

2 stops48h 25m

$1,832

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

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 round-trip 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

What is the cheapest time of day to fly from ORD to ADL?

Find hourly flight availability from O'Hare Intl to Adelaide. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

One of the essential ways to save on airfare from Chicago O'Hare Intl Airport to Adelaide is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 46% on airfare.

Reviews of airlines servicing Adelaide

Get insights into the airlines that provide service to Adelaide. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Adelaide. Reviews last updated August 14, 2025.
Read through reviews of airlines operating flights from Chicago O'Hare Intl Airport to Adelaide, such as Qantas Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
895 reviews

Boarding

7.7

Overall

7.5

Entertainment

7.2

Comfort

7.4

Crew

8.2

Food

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.
Qantas Airways
7.5
Good
895 reviews
Qantas Airways
7.5
Good
895 reviews

Boarding

7.7

Overall

7.5

Entertainment

7.2

Comfort

7.4

Crew

8.2

Food

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

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?

    Adelaide (ADL) is the airport you will fly into if you book a flight from Chicago O'Hare Intl to Adelaide. You should not have trouble finding flights to Adelaide from Chicago O'Hare Intl; the airport handles an average of 0 inbound flights from Chicago O'Hare Intl per day. You should also have plenty of airline options to choose from since 1 airline has flights to the Adelaide airport from Chicago O'Hare Intl. It is only a 4.1 mi journey from Adelaide (ADL) to Adelaide’s city center.

  • What is the cheapest airline to fly from Chicago O'Hare Intl Airport to Adelaide round-trip?

    Currently priced at $987, Qantas Airways will fly you from Chicago O'Hare Intl Airport to Adelaide and back. In addition to Qantas Airways, many other airlines offer competitively priced options for your trip. You may be able to fly from Chicago O'Hare Intl Airport to Adelaide for 32% less than the average price by searching for this airline.

  • 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 vacation 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, August is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Adelaide (average of $1,214). Flying from Chicago O'Hare Intl Airport to Adelaide in December is currently the most expensive (average of $2,057). 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

Traveling to a place near Adelaide?

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

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Top airline flying from O'Hare Intl to Adelaide

Discover the top airline that operate flights from O'Hare Intl to Adelaide. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$987Average$1,190FlexibilityNo cancel feeOn-time74%

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