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Cheap flights from Adelaide to Illinois from $1,695

ADL — ORD
9 Dec — 16 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Adelaide to Illinois

Enter your travel dates to find the best prices.

Cheapest flights from Adelaide to Illinois

Sat 5/1213:15 -
3 stops28h 09m
Sat 12/1208:30 -
3 stops35h 15m
Deal found 7/11$2,913
Wed 23/1212:00 -
1 stop41h 00m
Wed 30/1214:10 -
1 stop27h 50m
Deal found 8/11$3,113
Wed 23/1214:55 -
2 stops24h 17m
Wed 30/1222:00 -
2 stops43h 00m
Deal found 8/11$3,144
Fri 4/1219:45 -
2 stops52h 15m
Fri 11/1210:25 -
2 stops30h 30m
Deal found 6/11$3,299
Wed 23/1217:20 -
2 stops28h 10m
Wed 30/1216:53 -
2 stops25h 37m
Deal found 8/11$3,349
Wed 23/1218:30 -
3 stops27h 22m
Wed 30/1216:53 -
2 stops25h 37m
Deal found 8/11$3,420
Sat 5/1208:40 -
2 stops26h 55m
Sat 12/1220:15 -
2 stops49h 25m
Deal found 7/11$3,484
Sat 5/1222:00 -
1 stop33h 00m
Sat 12/1214:34 -
2 stops34h 01m
Deal found 7/11$3,771
Fri 4/1206:25 -
3 stops28h 00m
Fri 11/1217:15 -
2 stops28h 00m
Deal found 6/11$3,807
Fri 4/1208:55 -
2 stops44h 05m
Fri 11/1214:10 -
1 stop27h 50m
Deal found 6/11$3,942

Find flight deals from Adelaide to Illinois

Round-trip from

$1,918

One-way from

$1,695
Air New Zealand
  • Air New Zealand
  • 27/1-17/2
  • 4 total stops
  • 62h 45m total
  • Adelaide to Illinois
Search Deals
12/12-31/12
  • 12/12-31/12
  • 3 total stops
  • 32h 39m total
  • Adelaide to Illinois
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Adelaide to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Sat 12/12

08:45-00:54

3 stops32h 39m

Chicago O'Hare Intl

Wed 31/12

00:00-15:30

Nonstop0h 00m

$1,695

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Sat 12/12

14:15-12:30

2 stops62h 45m

Chicago O'Hare Intl

Wed 31/12

00:00-15:30

Nonstop0h 00m

$1,733

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Wed 27/1

12:00-12:30

1 stop41h 00m

Chicago O'Hare Intl

Thu 18/2

14:10-10:30

1 stop27h 50m

$2,237

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Tue 26/1

12:00-12:30

1 stop41h 00m

Chicago O'Hare Intl

Sat 13/2

14:10-11:15

2 stops52h 35m

$2,340

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Fri 29/1

08:55-12:30

2 stops68h 05m

Chicago O'Hare Intl

Wed 10/2

14:10-10:30

1 stop27h 50m

$2,382

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Mon 25/1

08:55-12:30

2 stops44h 05m

Chicago O'Hare Intl

Sat 13/2

14:10-15:45

2 stops33h 05m

$2,434

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Sun 31/1

12:00-12:30

1 stop41h 00m

Chicago O'Hare Intl

Wed 3/2

14:10-10:30

1 stop27h 50m

$2,450

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Sun 31/1

19:55-12:58

2 stops33h 33m

Chicago O'Hare Intl

Mon 8/2

15:35-09:30

2 stops25h 25m

$2,832

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Sun 31/1

06:00-05:02

2 stops39h 32m

Chicago O'Hare Intl

Wed 3/2

15:52-11:00

2 stops26h 38m

$3,106

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Wed 23/12

14:55-21:33

1 stop23h 08m

Chicago O'Hare Intl

Wed 30/12

21:51-09:30

1 stop43h 09m

$3,144

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Sorted by cheapest first

Best time to book a flight from Adelaide to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Adelaide with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Adelaide to Illinois

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Illinois

Get a feel of what it's like to fly with Qantas Airways from Adelaide to Illinois by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
1,123 reviews
Check prices

Entertainment

7.2

Comfort

7.5

Crew

8.1

Overall

7.5

Boarding

7.7

Food

7.0

Reviews

1 / 20
10.0
Excellent

Tania,May 2026

SYD - DFW

The trip was great and the flight attendants were lovely. It was my honeymoon and ai thought I lost my gold brecelet. They searched until they found it and gave us a bottle of champaign to celebrate our honeymoon. They were lovely!
Qantas Airways
7.5
Good
1,123 reviews
Qantas Airways
7.5
Good
1,123 reviews
Check prices

Entertainment

7.2

Comfort

7.5

Crew

8.1

Overall

7.5

Boarding

7.7

Food

7.0

Reviews

1 / 20
10.0
Excellent

Tania,May 2026

SYD - DFW

The trip was great and the flight attendants were lovely. It was my honeymoon and ai thought I lost my gold brecelet. They searched until they found it and gave us a bottle of champaign to celebrate our honeymoon. They were lovely!

Related info for your journey

  • What airport do you fly from for flights from Adelaide to Illinois?

    If you book a flight to Illinois from Adelaide, you will be flying from Adelaide, which is the city’s only airport. Adelaide (ADL) is located 6.6 km from the centre of Adelaide.

  • How long is the flight from Adelaide to Illinois?

    For as low as $2,237, Cathay Pacific can have you in Illinois from Adelaide in 41h. There are 15937 km between Adelaide and Illinois.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Adelaide to Illinois 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

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Adelaide to Illinois

AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,956Average$2,460FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

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

Need flexible booking options for your flight to Illinois from Adelaide? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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Not ready to book yet? You can track prices for flights from Adelaide to Illinois on Cheapflights with our Price Alert feature and get notified when better prices are available.

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