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Cheap flights from Adelaide to Illinois from $1,793

ADL — ORD
20 Nov — 27 Nov1
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

Thu 5/1106:25 -
2 stops39h 07m
Mon 9/1121:06 -
2 stops48h 44m
Deal found 18/10$1,793
Mon 16/1106:05 -
2 stops46h 55m
Mon 23/1114:10 -
1 stop27h 50m
Deal found 18/10$1,838
Mon 30/1119:10 -
2 stops38h 02m
Mon 7/1215:25 -
2 stops29h 50m
Deal found 16/10$2,003
Tue 1/1219:55 -
2 stops38h 55m
Tue 8/1216:00 -
2 stops31h 50m
Deal found 17/10$2,006
Thu 5/1107:50 -
2 stops45h 10m
Mon 9/1114:10 -
2 stops52h 35m
Deal found 16/10$2,037
Sat 14/1117:20 -
2 stops39h 15m
Sat 21/1118:45 -
2 stops31h 10m
Deal found 17/10$2,086
Thu 3/1206:10 -
2 stops29h 25m
Thu 10/1216:30 -
2 stops29h 10m
Deal found 19/10$2,220

Find flight deals from Adelaide to Illinois

Round-trip from

$1,793
American Airlines
  • American Airlines
  • 5/11-9/11
  • 4 total stops
  • 87h 51m 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

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Thu 5/11

06:25-05:02

2 stops39h 07m

Chicago O'Hare Intl

Mon 9/11

21:06-14:20

2 stops48h 44m

$1,793
Fastest return journey

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Mon 30/11

19:10-16:42

2 stops38h 02m

Chicago O'Hare Intl

Mon 7/12

15:25-13:45

2 stops29h 50m

$2,003

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Tue 1/12

19:55-18:20

2 stops38h 55m

Chicago O'Hare Intl

Tue 8/12

16:00-16:20

2 stops31h 50m

$2,006

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Thu 5/11

07:50-12:30

2 stops45h 10m

Chicago O'Hare Intl

Mon 9/11

14:10-11:15

2 stops52h 35m

$2,037

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Fri 20/11

06:05-06:14

3 stops40h 39m

Chicago O'Hare Intl

Wed 25/11

12:05-14:35

3 stops34h 00m

$2,393

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Mon 30/11

07:50-12:30

2 stops45h 10m

Chicago O'Hare Intl

Mon 7/12

14:10-10:30

1 stop27h 50m

$2,469

Flights are sorted by cheapest return flights first.

Deals found on 17/10

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

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

Airfare is below average for this route at the moment.
Adelaide to Illinois flights typically cost between $2,107 and $2,430 in November.
The cheapest return price found within the last 5 days was $1,793 on American Airlines (5 Nov–9 Nov).

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
1,115 reviews
Check prices

Entertainment

7.2

Boarding

7.7

Overall

7.5

Comfort

7.4

Crew

8.1

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
1,115 reviews
Qantas Airways
7.5
Good
1,115 reviews
Check prices

Entertainment

7.2

Boarding

7.7

Overall

7.5

Comfort

7.4

Crew

8.1

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 $2,003, American Airlines can have you in Illinois from Adelaide in 38h 02m. There are 15937 km between Adelaide and Illinois. Both multi-stop and direct flights can be found to your destination and back.

  • 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$1,930Average$2,428FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

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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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