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.
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 |
Find flight deals from Chicago to Adelaide
Cheapest flights from Chicago to AdelaideExplore 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.
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.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Chicago to Adelaide that are best for you.
Fly from
Fly to
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
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
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
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
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
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
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
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Thu 2/10
19:09-21:00
3 stops59h 21m
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Fri 19/12
16:46-15:25
2 stops30h 09m
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Thu 2/10
19:20-15:50
1 stop30h 00m
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.
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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.
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Other flights to Adelaide
Explore flights to Adelaide departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 2 September 2025.
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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.