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Cheap flights from Adelaide to Chicago O'Hare Intl Airport from $1,756

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
ADL — ORD
26 Aug — 2 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Adelaide to O'Hare Intl

Enter your travel dates to find the best prices.

Cheapest flights from Adelaide to O'Hare Intl
Explore the most affordable flight options available from Adelaide to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 July 2026.

Thu 6/812:35
ADL
-
ORD
2 stops32h 12m
Multiple Airlines
Thu 10/911:15
ORD
-
ADL
3 stops33h 50m
Multiple Airlines
Deal found 24/7$1,756
Wed 16/912:05
ADL
-
ORD
2 stops27h 24m
Air New Zealand
Mon 21/915:00
ORD
-
ADL
2 stops29h 25m
Air New Zealand
Deal found 24/7$2,056
Sat 5/910:10
ADL
-
ORD
2 stops42h 40m
Cathay Pacific
Sat 10/1016:15
ORD
-
ADL
2 stops58h 00m
Cathay Pacific
Deal found 25/7$2,308
Tue 13/1014:20
ADL
-
ORD
2 stops39h 05m
Cathay Pacific
Mon 9/1114:35
ORD
-
ADL
1 stop27h 25m
Cathay Pacific
Deal found 26/7$2,311
Fri 16/1019:45
ADL
-
ORD
2 stops57h 40m
Cathay Pacific
Sun 8/1114:35
ORD
-
ADL
2 stops48h 00m
Cathay Pacific
Deal found 26/7$2,337
Fri 16/1012:00
ADL
-
ORD
2 stops41h 25m
Cathay Pacific
Wed 11/1114:35
ORD
-
ADL
1 stop27h 25m
Cathay Pacific
Deal found 26/7$2,376
Wed 14/1019:45
ADL
-
ORD
2 stops33h 40m
Cathay Pacific
Mon 9/1114:35
ORD
-
ADL
2 stops30h 40m
Cathay Pacific
Deal found 26/7$2,404
Fri 16/1019:45
ADL
-
ORD
2 stops33h 40m
Cathay Pacific
Mon 9/1114:35
ORD
-
ADL
2 stops32h 40m
Cathay Pacific
Deal found 26/7$2,457
Wed 7/1019:55
ADL
-
ORD
2 stops57h 30m
Multiple Airlines
Sun 11/1016:15
ORD
-
ADL
2 stops59h 15m
Multiple Airlines
Deal found 24/7$2,463
Sat 17/1019:45
ADL
-
ORD
2 stops33h 40m
Cathay Pacific
Sun 8/1114:35
ORD
-
ADL
2 stops30h 40m
Cathay Pacific
Deal found 26/7$2,470

Find flight deals from Adelaide to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Adelaide (ADL) to O'Hare Intl (ORD). 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 27 July 2026.

Round-trip from

$1,756

Popular in

May

Cheapest in

January

Average price

$1,865
6/8-10/9
  • 6/8-10/9
  • 5 total stops
  • 66h 02m total
  • Adelaide to Chicago
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($757 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease ($372 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Adelaide to O'Hare Intl 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 27 July 2026.
Use the filters below to find and compare flights from Adelaide to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Tue 13/10

12:00-13:55

2 stops41h 25m

Chicago O'Hare Intl

Thu 5/11

14:35-16:35

2 stops33h 30m

$2,404

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Sat 17/10

10:10-13:55

2 stops43h 15m

Chicago O'Hare Intl

Tue 10/11

14:35-15:45

2 stops32h 40m

$2,457

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Wed 7/10

06:00-19:48

3 stops29h 18m

Chicago O'Hare Intl

Sun 11/10

17:53-13:55

3 stops52h 32m

$2,712

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Wed 16/9

20:00-19:48

3 stops38h 18m

Chicago O'Hare Intl

Mon 21/9

21:18-11:50

3 stops48h 02m

$3,037

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Thu 27/8

22:00-08:52

2 stops73h 22m

Chicago O'Hare Intl

Mon 31/8

19:20-15:00

1 stop29h 10m

$3,136

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Sat 8/8

17:15-19:52

3 stops41h 07m

Chicago O'Hare Intl

Tue 11/8

14:15-11:50

3 stops31h 05m

$3,226

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Sat 5/9

06:00-20:29

3 stops28h 59m

Chicago O'Hare Intl

Sat 10/10

17:53-11:55

2 stops26h 32m

$3,246
Fastest return journey

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Thu 27/8

06:05-20:26

2 stops28h 51m

Chicago O'Hare Intl

Mon 31/8

18:20-11:05

2 stops26h 15m

$3,247

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Sun 18/10

22:35-15:45

1 stop32h 40m

Chicago O'Hare Intl

Mon 9/11

19:45-20:50

1 stop32h 35m

$3,868

Flights are sorted by cheapest return flights first.

Deals found on 26/7

Sorted by cheapest first

Best time to book a flight from Adelaide to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Adelaide 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.

Related info for your journey

Find useful and relevant information for your journey from Adelaide to O'Hare Intl. 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 from for flights from Adelaide to Chicago O'Hare Intl?

    Adelaide (ADL) is the airport you will fly out of if you book a flight from Adelaide to Chicago O'Hare Intl. You should not have trouble finding flights to Chicago O'Hare Intl from Adelaide; the airport handles an average of 0 outbound flights to Chicago O'Hare Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Adelaide airport to Chicago O'Hare Intl. It is only a 6.6 km journey to Adelaide (ADL) from Adelaide’s city centre.

  • How long is the flight from Adelaide to Chicago O'Hare Intl Airport?

    A quick flight from Adelaide to Chicago O'Hare Intl Airport can take about 29h 18m. Cathay Pacific provides one of the quickest options available for as low as $2,712. The distance from Adelaide to Chicago O'Hare Intl Airport is about 15937 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Adelaide to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Adelaide to O'Hare Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Adelaide to O'Hare Intl?

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

  • Can I find deals for business class flights from Adelaide to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Adelaide to O'Hare Intl 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

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How does Cheapflights help users find flights from Adelaide to O'Hare Intl?

When you search for this flight from Adelaide to O'Hare Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Adelaide to O'Hare Intl?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Adelaide to O'Hare Intl.

Can Cheapflights find flights from Adelaide to O'Hare Intl with no change fees?

Yes! Cheapflights helps users easily find flights from Adelaide to O'Hare Intl with no change fees.

Can Cheapflights notify me if prices for flights from Adelaide to O'Hare Intl become cheaper?

Yes, Cheapflights offers price alerts on Adelaide to O'Hare Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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