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Cheap flights from Chicago to Adelaide from $1,185

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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — ADL
7 Sep — 14 Sep1
1 adult

Cheap flight deals from Chicago to Adelaide

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) 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 2 September 2025.

Round-trip from

$1,777

One-way from

$1,185

Popular in

November

Cheapest in

February

Average price

$2,373
18/10-8/11
  • 18/10-8/11
  • 4 total stops
  • 63h 55m total
  • Chicago to Adelaide
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2/10
  • 2/10
  • 3 total stops
  • 59h 21m total
  • Chicago to Adelaide
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($1,274 potential increase over avg. return price).
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Cheapest flight prices on average. 7% potential price decrease ($245 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 Chicago to Adelaide

Cheapest flights from Chicago to Adelaide
Explore the most affordable flight options available from Chicago to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 September 2025.

Sat 18/1007:25ORD - ADL
2 stops37h 40mMultiple Airlines
Sat 8/1113:15ADL - ORD
2 stops26h 15mMultiple Airlines
Deal found 1/9$1,777
Sat 25/1019:01ORD - ADL
2 stops26h 04mFiji Airways
Sat 8/1113:15ADL - ORD
2 stops22h 55mFiji Airways
Deal found 2/9$1,984
Sat 18/1019:01ORD - ADL
2 stops26h 04mFiji Airways
Sat 8/1113:15ADL - ORD
2 stops22h 55mFiji Airways
Deal found 31/8$2,134
Fri 31/1014:21ORD - ADL
2 stops29h 04mAir New Zealand
Thu 6/1120:55ADL - ORD
2 stops39h 05mAir New Zealand
Deal found 1/9$2,411
Mon 17/1115:40ORD - ADL
2 stops29h 45mMultiple Airlines
Mon 1/1220:00ADL - ORD
2 stops35h 11mMultiple Airlines
Deal found 2/9$2,428
Sat 18/1015:40ORD - ADL
2 stops49h 05mAir New Zealand
Sun 9/1111:55ADL - ORD
2 stops29h 34mAir New Zealand
Deal found 2/9$2,508
Mon 17/1111:15ORD - ADL
3 stops34h 10mAir Canada
Mon 1/1218:55ADL - ORD
2 stops36h 16mAir Canada
Deal found 2/9$2,520
Sun 19/1015:45ORD - ADL
2 stops33h 25mMultiple Airlines
Mon 10/1106:00ADL - ORD
2 stops25h 11mMultiple Airlines
Deal found 1/9$2,537
Sat 25/1019:01ORD - ADL
2 stops26h 04mMultiple Airlines
Sat 8/1106:00ADL - ORD
3 stops30h 00mMultiple Airlines
Deal found 2/9$2,574

Cheapflights Fare Finder

 
Customise your flight search to find flights from Chicago 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 2 September 2025.
Use the filters below to find and compare flights from Chicago to Adelaide that are best for you.

Fly from

Chicago

Fly to

Adelaide

Route

Depart

Return

Price

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sat 18/10

07:25-12:35

2 stops37h 40m

Adelaide

Sat 8/11

13:15-23:00

2 stops26h 15m

$1,777

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 16/2

20:35-12:15

2 stops47h 10m

Adelaide

Sat 28/2

13:25-19:18

2 stops22h 23m

$1,974

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sat 18/10

19:01-12:35

2 stops26h 04m

Adelaide

Sat 8/11

13:15-19:40

2 stops22h 55m

$2,134

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 16/2

14:18-09:30

2 stops26h 42m

Adelaide

Sat 28/2

14:55-23:02

1 stop24h 37m

$2,279

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Fri 31/10

14:21-10:55

2 stops29h 04m

Adelaide

Thu 6/11

20:55-19:30

2 stops39h 05m

$2,411

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sat 18/10

15:47-08:15

2 stops48h 58m

Adelaide

Sun 9/11

11:55-13:10

2 stops41h 45m

$2,526

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sun 19/10

15:45-16:40

2 stops33h 25m

Adelaide

Mon 10/11

06:00-14:41

2 stops25h 11m

$2,537

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Thu 2/10

19:09-21:00

3 stops59h 21m

$1,185

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Fri 19/12

16:46-15:25

2 stops30h 09m

$2,390

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Thu 2/10

19:20-15:50

1 stop30h 00m

$2,453

Flights are sorted by cheapest return flights first.

Deals found on 31/8

Showing 1-10 of 13 results
1
2

Best time to book a flight from Chicago to Adelaide

Have a flexible travel schedule? Discover the best time to fly to Adelaide from Chicago 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 to Adelaide
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Chicago 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?

    If you book a flight to Adelaide from Chicago, 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 to Adelaide per day from 0 different airlines.

  • How long is the flight from Chicago to Adelaide?

    For as low as $2,134, Fiji Airways can have you in Adelaide from Chicago in 26h 04m. The distance between Chicago and Adelaide is about 15937 km.

  • Can I find deals for flights from Chicago to Adelaide that include hotel bookings?

    Yes. In addition to deals on Chicago to Adelaide flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Adelaide?

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

  • Can I find deals for business class flights from Chicago to Adelaide?

    Yes. Cheapflights offers flight deals from Chicago 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 to Adelaide?

    Currently, June is the cheapest month in which you can book a flight from Chicago to Adelaide (average of $168). Flying from Chicago 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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How does Cheapflights help users find flights from Chicago to Adelaide?

Deals for Chicago to Adelaide flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Chicago to Adelaide?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Chicago to Adelaide for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Chicago to Adelaide with no change fees?

Need flexible booking options for your flight to Adelaide from Chicago? 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 Chicago to Adelaide become cheaper?

Of course! You can now track prices for flights from Chicago to Adelaide and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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