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Cheap flights from Chicago to Adelaide from $1,607

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — ADL
25 Dec — 1 Jan1
1 adult
1 adult, Economy, 0 bags

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 25 November 2025.

Round-trip from

$1,607

Popular in

December

Cheapest in

February

Average price

$2,426
6/2-21/2
  • 6/2-21/2
  • 5 total stops
  • 70h 10m total
  • Chicago to Adelaide
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($416 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($175 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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Find 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 25 November 2025.

Mon 29/1218:25ORD - ADL
1 stop22h 35mUnited Airlines
Wed 7/114:55ADL - ORD
1 stop24h 49mUnited Airlines
Deal found 23/11$2,493
Wed 24/1222:00ORD - ADL
2 stops43h 00mUnited Airlines
Sat 17/114:55ADL - ORD
1 stop23h 07mUnited Airlines
Deal found 21/11$2,655
Wed 24/1207:30ORD - ADL
3 stops34h 55mMultiple Airlines
Sat 17/110:55ADL - ORD
3 stops40h 57mMultiple Airlines
Deal found 21/11$2,810
Tue 30/1212:45ORD - ADL
2 stops32h 55mUnited Airlines
Wed 7/114:55ADL - ORD
1 stop24h 49mUnited Airlines
Deal found 23/11$2,895
Sun 28/1221:05ORD - ADL
1 stop43h 55mUnited Airlines
Mon 5/114:55ADL - ORD
1 stop31h 02mUnited Airlines
Deal found 23/11$2,901
Thu 25/1212:45ORD - ADL
1 stop28h 15mUnited Airlines
Sun 18/108:30ADL - ORD
2 stops26h 55mUnited Airlines
Deal found 22/11$2,952
Fri 26/1222:10ORD - ADL
1 stop42h 50mUnited Airlines
Sat 3/114:55ADL - ORD
2 stops35h 19mUnited Airlines
Deal found 23/11$3,065
Tue 23/1221:40ORD - ADL
2 stops67h 20mUnited Airlines
Sat 3/114:55ADL - ORD
2 stops35h 19mUnited Airlines
Deal found 23/11$3,073

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 25 November 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

Fri 6/2

15:35-13:55

2 stops29h 50m

Adelaide

Sat 21/2

19:40-19:30

3 stops40h 20m

$1,607

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Fri 27/2

15:35-16:20

2 stops32h 15m

Adelaide

Tue 3/3

06:10-14:41

2 stops25h 01m

$1,751

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Wed 25/2

15:35-22:30

2 stops38h 25m

Adelaide

Tue 31/3

18:55-14:43

2 stops35h 18m

$1,796

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Tue 3/3

21:14-13:55

3 stops48h 11m

Adelaide

Tue 10/3

19:55-19:45

3 stops39h 20m

$1,816

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Fri 6/2

20:10-09:30

2 stops44h 50m

Adelaide

Sat 21/2

14:55-05:12

1 stop30h 47m

$1,958

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 29/12

08:54-09:30

2 stops32h 06m

Adelaide

Wed 7/1

14:55-23:14

1 stop24h 49m

$2,500

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Wed 24/12

22:00-09:30

2 stops43h 00m

Adelaide

Sat 17/1

14:55-21:32

1 stop23h 07m

$2,655

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sat 20/12

10:35-09:30

2 stops30h 25m

$2,350

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Tue 16/12

18:17-13:40

2 stops26h 53m

$2,486

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Fri 19/12

21:40-09:30

2 stops43h 20m

$2,508

Flights are sorted by cheapest return flights first.

Deals found on 21/11

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 $1,751, Air Canada can have you in Adelaide from Chicago in 32h 15m. 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.

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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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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