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Cheap flights from Adelaide to Chicago O'Hare Intl Airport from $822

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
ADL — ORD
28 Jul — 4 Aug1
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 28 June 2026.

Mon 3/808:55
ADL
-
ORD
2 stops25h 19m
Multiple Airlines
Sun 23/810:30
ORD
-
ADL
2 stops33h 35m
Multiple Airlines
Deal found 27/6$1,638
Mon 3/807:50
ADL
-
ORD
2 stops26h 24m
Qantas Airways
Sun 23/821:06
ORD
-
ADL
2 stops45h 49m
Qantas Airways
Deal found 25/6$1,692
Mon 3/819:00
ADL
-
ORD
3 stops39h 22m
Air Canada
Sun 23/815:40
ORD
-
ADL
2 stops37h 15m
Air Canada
Deal found 25/6$2,946
Tue 25/812:40
ADL
-
ORD
2 stops25h 20m
Qantas Airways
Thu 1/1013:50
ORD
-
ADL
2 stops30h 45m
Qantas Airways
Deal found 27/6$3,064
Wed 24/613:25
ADL
-
ORD
2 stops25h 03m
American Airlines
Thu 25/617:10
ORD
-
ADL
2 stops25h 45m
American Airlines
Deal found 23/6$3,401
Mon 3/822:00
ADL
-
ORD
1 stop31h 35m
Qatar Airways
Sun 23/819:20
ORD
-
ADL
1 stop29h 10m
Qatar Airways
Deal found 25/6$3,495

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 28 June 2026.

Round-trip from

$1,638

One-way from

$822

Popular in

May

Cheapest in

January

Average price

$2,127
3/8-23/8
  • 3/8-23/8
  • 4 total stops
  • 58h 54m total
  • Adelaide to Chicago
Search Deals
5/9
  • 5/9
  • 2 total stops
  • 31h 54m total
  • Adelaide to Chicago
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($824 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 13% potential price decrease ($388 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 28 June 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

Mon 3/8

07:50-19:44

2 stops26h 24m

Chicago O'Hare Intl

Sun 23/8

21:06-09:25

2 stops45h 49m

$1,692

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Mon 3/8

20:00-22:05

3 stops40h 35m

Chicago O'Hare Intl

Sun 23/8

10:43-13:55

3 stops36h 42m

$3,047
Fastest return journey

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Mon 3/8

07:15-19:44

2 stops26h 59m

Chicago O'Hare Intl

Sun 23/8

19:20-15:00

1 stop29h 10m

$3,282

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Mon 3/8

22:00-15:05

1 stop31h 35m

Chicago O'Hare Intl

Sun 23/8

19:20-15:00

1 stop29h 10m

$3,495

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Wed 12/8

06:00-08:40

2 stops41h 10m

Chicago O'Hare Intl

Wed 19/8

17:45-13:55

2 stops53h 40m

$9,595

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Wed 12/8

22:00-15:05

1 stop31h 35m

Chicago O'Hare Intl

Wed 19/8

13:44-15:00

2 stops34h 46m

$10,660
Cheapest one-way

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Wed 2/9

10:50-05:59

3 stops57h 39m

$992
Fastest single journey

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Wed 2/9

12:05-23:26

2 stops25h 51m

$1,109

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Sun 6/9

06:05-05:59

2 stops38h 24m

$1,235

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Fri 4/9

06:15-06:17

3 stops38h 32m

$1,235

Flights are sorted by cheapest return flights first.

Deals found on 25/6

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

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 26h 24m. Qantas Airways provides one of the quickest options available for as low as $1,692. 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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