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Cheap flights from Chicago to Adelaide from $1,045

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 16/8. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — ADL
8 Jul — 15 Jul1
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 3 July 2025.

Round-trip from

$1,774

One-way from

$1,045

Popular in

November

Cheapest in

February

Average price

$2,478
14/8-21/8
  • 14/8-21/8
  • 4 total stops
  • 69h 35m total
  • Chicago to Adelaide
Search Deals
16/8
  • 16/8
  • 2 total stops
  • 26h 45m total
  • Chicago to Adelaide
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($1,262 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($241 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 3 July 2025.

Thu 14/807:05ORD - ADL
2 stops38h 00mMultiple Airlines
Thu 21/812:35ADL - ORD
2 stops31h 35mMultiple Airlines
Deal found 1/7$1,774
Mon 4/815:40ORD - ADL
2 stops36h 00mAir Canada
Mon 11/819:00ADL - ORD
2 stops34h 24mAir Canada
Deal found 2/7$2,601
Fri 15/818:03ORD - ADL
2 stops25h 47mQantas Airways
Fri 22/820:10ADL - ORD
2 stops35h 08mQantas Airways
Deal found 2/7$2,845
Tue 16/1212:45ORD - ADL
2 stops29h 40mAir New Zealand
Tue 30/1206:35ADL - ORD
2 stops24h 32mAir New Zealand
Deal found 1/7$3,417
Fri 15/819:20ORD - ADL
1 stop30h 00mQatar Airways
Fri 22/818:20ADL - ORD
2 stops35h 15mQatar Airways
Deal found 1/7$3,493

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 3 July 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

Thu 14/8

07:05-11:35

2 stops38h 00m

Adelaide

Thu 21/8

12:35-05:40

2 stops31h 35m

$1,774

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 4/8

15:40-18:10

2 stops36h 00m

Adelaide

Mon 11/8

19:00-14:54

2 stops34h 24m

$2,601

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Fri 15/8

18:03-10:20

2 stops25h 47m

Adelaide

Fri 22/8

20:10-16:48

2 stops35h 08m

$2,845

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Tue 16/12

12:45-10:55

2 stops29h 40m

Adelaide

Tue 30/12

06:35-14:37

2 stops24h 32m

$3,417

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Fri 15/8

19:20-15:50

1 stop30h 00m

Adelaide

Fri 22/8

18:20-15:05

2 stops35h 15m

$3,493

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sat 16/8

18:20-11:35

2 stops26h 45m

$1,045

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sat 16/8

09:55-11:50

3 stops35h 25m

$2,114

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Fri 15/8

19:20-15:50

1 stop30h 00m

$2,335

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Fri 15/8

12:07-16:20

3 stops37h 43m

$2,382

Flights are sorted by cheapest return flights first.

Deals found on 2/7

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

How much does it cost for a return flight from Chicago to Adelaide?

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 3 July 2025.
Read through reviews of airlines operating flights from Chicago to Adelaide, such as Singapore Airlines, Air New Zealand, andQantas Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,320 reviews
Check prices

Crew

8.6

Comfort

7.9

Entertainment

8.0

Overall

8.1

Boarding

8.2

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.
Singapore Airlines
8.1
Very Good
1,320 reviews
Singapore Airlines
8.1
Very Good
1,320 reviews
Check prices

Crew

8.6

Comfort

7.9

Entertainment

8.0

Overall

8.1

Boarding

8.2

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.
Air New Zealand
8.0
Very Good
486 reviews
Singapore Airlines
8.1
Very Good
1,320 reviews
Check prices

Crew

8.6

Comfort

7.9

Entertainment

8.0

Overall

8.1

Boarding

8.2

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.
Qantas Airways
7.5
Good
872 reviews
Singapore Airlines
8.1
Very Good
1,320 reviews
Check prices

Crew

8.6

Comfort

7.9

Entertainment

8.0

Overall

8.1

Boarding

8.2

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.
Qatar Airways
7.4
Good
3,593 reviews
Singapore Airlines
8.1
Very Good
1,320 reviews
Check prices

Crew

8.6

Comfort

7.9

Entertainment

8.0

Overall

8.1

Boarding

8.2

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.
Air Canada
7.1
Good
9,678 reviews
Singapore Airlines
8.1
Very Good
1,320 reviews
Check prices

Crew

8.6

Comfort

7.9

Entertainment

8.0

Overall

8.1

Boarding

8.2

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.

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.

  • What are the cheapest airlines flying from Chicago to Adelaide round-trip?

    Cheapflights users have booked flights from Chicago to Adelaide round-trip from $2,601. Other airlines that can offer you cheap pricing are Qantas Airways, from $2,845, and Air New Zealand, from $3,417.

  • What are the cheapest airlines to fly from Chicago to Adelaide one-way?

    The cheapet airlines for a one-way flight from Chicago to Adelaide are Air Canada ($2,114), Qatar Airways ($2,335), and Singapore Airlines ($2,382).

  • 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

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