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Cheap flights from Adelaide to Chicago O'Hare Intl Airport from $2,544

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
ADL — ORD
23 May — 30 May1
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 23 April 2026.

Sat 6/606:00
ADL
-
ORD
3 stops31h 31m
Multiple Airlines
Sat 13/607:12
ORD
-
ADL
3 stops37h 33m
Multiple Airlines
Deal found 22/4$2,544
Wed 3/611:50
ADL
-
ORD
2 stops26h 39m
Qantas Airways
Wed 10/618:59
ORD
-
ADL
2 stops25h 36m
Qantas Airways
Deal found 19/4$2,720
Tue 21/706:25
ADL
-
ORD
3 stops36h 56m
Multiple Airlines
Tue 22/917:45
ORD
-
ADL
2 stops34h 40m
Multiple Airlines
Deal found 18/4$2,738
Tue 21/706:00
ADL
-
ORD
2 stops25h 13m
Qantas Airways
Tue 22/917:43
ORD
-
ADL
2 stops25h 12m
Qantas Airways
Deal found 19/4$2,742
Fri 5/612:40
ADL
-
ORD
2 stops25h 48m
Qantas Airways
Fri 12/618:59
ORD
-
ADL
2 stops26h 26m
Qantas Airways
Deal found 22/4$2,789
Sat 6/606:00
ADL
-
ORD
2 stops24h 19m
Qantas Airways
Sat 13/615:50
ORD
-
ADL
2 stops27h 05m
Qantas Airways
Deal found 22/4$2,860
Wed 3/611:50
ADL
-
ORD
3 stops27h 10m
Multiple Airlines
Wed 10/618:59
ORD
-
ADL
2 stops26h 26m
Multiple Airlines
Deal found 19/4$2,970
Fri 5/617:15
ADL
-
ORD
3 stops40h 40m
Multiple Airlines
Fri 12/615:40
ORD
-
ADL
2 stops33h 45m
Multiple Airlines
Deal found 22/4$3,146

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 23 April 2026.

Round-trip from

$2,544

Popular in

December

Cheapest in

January

Average price

$1,652
6/6-13/6
  • 6/6-13/6
  • 6 total stops
  • 69h 04m total
  • Adelaide to Chicago
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($92 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($125 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
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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 23 April 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

Sat 6/6

06:00-23:01

3 stops31h 31m

Chicago O'Hare Intl

Sat 13/6

07:12-11:15

3 stops37h 33m

$2,544
Fastest return journey

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Wed 3/6

11:50-23:59

2 stops26h 39m

Chicago O'Hare Intl

Wed 10/6

18:59-11:05

2 stops25h 36m

$2,720

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Tue 21/7

06:25-04:51

3 stops36h 56m

Chicago O'Hare Intl

Tue 22/9

17:45-22:00

2 stops37h 45m

$2,720

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Fri 5/6

06:00-18:05

2 stops26h 35m

Chicago O'Hare Intl

Fri 12/6

18:59-11:55

2 stops26h 26m

$2,790

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Wed 3/6

11:50-00:30

3 stops27h 10m

Chicago O'Hare Intl

Wed 10/6

18:59-11:55

2 stops26h 26m

$2,970

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Fri 5/6

20:00-19:25

3 stops37h 55m

Chicago O'Hare Intl

Fri 12/6

09:55-15:55

3 stops39h 30m

$3,492

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Tue 21/7

22:00-15:45

1 stop32h 15m

Chicago O'Hare Intl

Tue 22/9

20:35-20:05

1 stop33h 00m

$3,537

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Wed 3/6

22:00-15:45

1 stop32h 15m

Chicago O'Hare Intl

Wed 10/6

20:35-20:05

1 stop33h 00m

$3,561

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Fri 5/6

22:00-15:45

1 stop32h 15m

Chicago O'Hare Intl

Fri 12/6

20:35-20:05

1 stop33h 00m

$3,656

Flights are sorted by cheapest return flights first.

Deals found on 22/4

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.

Cheapflights Insights

Everything you need to know about your flight from Adelaide to Chicago O'Hare Intl Airport

How much does it cost for a return flight from Adelaide to Chicago O'Hare Intl Airport?

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated 23 April 2026.
Check out reviews from past customers who have flown with Qantas Airways and Air Canada from Adelaide to Chicago O'Hare Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
1,024 reviews
Check prices

Comfort

7.4

Entertainment

7.2

Food

7.0

Overall

7.5

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.
Qantas Airways
7.5
Good
1,024 reviews
Qantas Airways
7.5
Good
1,024 reviews
Check prices

Comfort

7.4

Entertainment

7.2

Food

7.0

Overall

7.5

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.
Air Canada
7.1
Good
10,955 reviews
Qantas Airways
7.5
Good
1,024 reviews
Check prices

Comfort

7.4

Entertainment

7.2

Food

7.0

Overall

7.5

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.

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 2 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 39m. Qantas Airways provides one of the quickest options available for as low as $2,720. The distance from Adelaide to Chicago O'Hare Intl Airport is about 15937 km.

  • What are the cheapest airlines flying from Adelaide to Chicago O'Hare Intl Airport round-trip?

    Qantas Airways, at $1,352, was found to be the cheapest airline from Adelaide to Chicago O'Hare Intl Airport. An alternate airline flying to your destination would be Air Canada. Qantas Airways is priced at 26% lower than the current average price of a flight leaving 3 months from now.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Adelaide to O'Hare Intl

Discover the top 2 airlines that operate flights from Adelaide to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 23 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,352Average$1,781FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air CanadaCheapest$1,390Average$1,652FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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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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