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Cheap flights from Chicago to Adelaide from $2,008

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — ADL
6 Jul — 13 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Chicago to Adelaide

Enter your travel dates to find the best prices.

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 6 June 2026.

Mon 10/815:40
ORD
-
ADL
2 stops36h 00m
Air Canada
Wed 19/818:55
ADL
-
ORD
2 stops34h 11m
Air Canada
Deal found 2/6$2,008
Mon 19/1008:49
ORD
-
ADL
2 stops43h 06m
Air Canada
Tue 10/1106:10
ADL
-
ORD
2 stops25h 01m
Air Canada
Deal found 3/6$2,039

Find 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 6 June 2026.

Round-trip from

$2,008

Popular in

June

Cheapest in

February

Average price

$2,577
Air Canada
  • Air Canada
  • 10/8-19/8
  • 4 total stops
  • 70h 11m total
  • Chicago to Adelaide
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($182 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($62 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 6 June 2026.
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

Cheapest return flight

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 10/8

15:40-18:10

2 stops36h 00m

Adelaide

Wed 19/8

18:55-14:36

2 stops34h 11m

$2,008

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 19/10

15:40-13:55

2 stops30h 45m

Adelaide

Tue 10/11

06:10-16:38

2 stops26h 58m

$2,040

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sun 1/11

15:40-16:20

2 stops32h 10m

Adelaide

Thu 5/11

06:10-14:41

2 stops25h 01m

$2,376

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 10/8

19:20-08:05

2 stops46h 15m

Adelaide

Wed 19/8

22:00-15:05

1 stop31h 35m

$2,587
Fastest return journey

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Wed 1/7

14:30-11:05

2 stops30h 05m

Adelaide

Wed 8/7

06:05-14:35

2 stops23h 00m

$2,734

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Thu 25/6

15:26-11:05

2 stops29h 09m

Adelaide

Sat 11/7

06:05-16:38

2 stops25h 03m

$2,944

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Wed 17/6

14:30-11:05

2 stops30h 05m

Adelaide

Sat 20/6

06:05-04:58

2 stops37h 23m

$3,464

Flights are sorted by cheapest return flights first.

Deals found on 2/6

Sorted by cheapest first

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

What is the cheapest month to book a flight from Chicago to Adelaide?

Currently, October is the cheapest month in which you can book a flight from Chicago to Adelaide (average of $915). Flying from Chicago to Adelaide in March is currently the most expensive (average of $4,171). 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.

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 $2,008, Air Canada can have you in Adelaide from Chicago in 36h. 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, October is the cheapest month in which you can book a flight from Chicago to Adelaide (average of $915). Flying from Chicago to Adelaide in March is currently the most expensive (average of $4,171). 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

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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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