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Cheap flights from Adelaide to Chicago O'Hare Intl Airport from $1,446

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 23/9. Fares are subject to change and may not be available on all flights or dates of travel.
ADL — ORD
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheap 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 18 September 2025.

Round-trip from

$1,838

One-way from

$1,446

Popular in

December

Cheapest in

May

Average price

$2,223
Qantas Airways
  • Qantas Airways
  • 1/3-13/3
  • 4 total stops
  • 51h 40m total
  • Adelaide to Chicago
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23/9
  • 23/9
  • 2 total stops
  • 23h 20m total
  • Adelaide to Chicago
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($409 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease ($129 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Find flight deals from Adelaide to O'Hare Intl

Best flights from Adelaide to O'Hare Intl
Discover carefully curated flight deals from Adelaide to O'Hare Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2025.

Sun 1/307:50ADL - ORD
2 stops24h 30mQantas Airways
Fri 13/317:10ORD - ADL
2 stops27h 10mQantas Airways
Deal found 15/9$1,838
Sun 1/312:00ADL - ORD
1 stop41h 25mCathay Pacific
Fri 13/315:35ORD - ADL
1 stop27h 25mCathay Pacific
Deal found 15/9$1,916
Sun 8/306:00ADL - ORD
3 stops29h 00mAir Canada
Wed 11/315:40ORD - ADL
2 stops39h 20mAir Canada
Deal found 15/9$2,437
Sun 1/318:35ADL - ORD
3 stops43h 28mSingapore Airlines
Fri 13/307:00ORD - ADL
3 stops42h 50mSingapore Airlines
Deal found 15/9$2,604
Sun 8/306:10ADL - ORD
2 stops26h 00mVirgin Australia
Wed 11/318:00ORD - ADL
2 stops27h 30mVirgin Australia
Deal found 15/9$2,926
Sun 8/319:00ADL - ORD
2 stops34h 25mCathay Pacific
Wed 11/315:35ORD - ADL
1 stop27h 25mCathay Pacific
Deal found 15/9$2,223

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 18 September 2025.
Use the filters below to find and compare flights from Adelaide to Chicago O'Hare Intl Airport that are best for you.

Fly from

Adelaide

Fly to

O'Hare Intl

Route

Depart

Return

Price

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Sun 1/3

07:50-15:50

2 stops24h 30m

Chicago O'Hare Intl

Fri 13/3

17:10-11:50

2 stops27h 10m

$1,838

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Sun 1/3

12:00-12:55

1 stop41h 25m

Chicago O'Hare Intl

Fri 13/3

15:35-10:30

1 stop27h 25m

$1,916

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Sun 8/3

19:00-13:55

2 stops34h 25m

Chicago O'Hare Intl

Wed 11/3

15:35-10:30

1 stop27h 25m

$2,223

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Sun 8/3

06:00-18:30

3 stops29h 00m

Chicago O'Hare Intl

Wed 11/3

15:40-22:30

2 stops39h 20m

$2,437

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Sun 1/3

18:35-21:33

3 stops43h 28m

Chicago O'Hare Intl

Fri 13/3

07:00-17:20

3 stops42h 50m

$2,604

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Sun 8/3

06:10-15:40

2 stops26h 00m

Chicago O'Hare Intl

Wed 11/3

18:00-13:00

2 stops27h 30m

$2,926

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Tue 23/9

06:10-15:00

2 stops23h 20m

$1,446

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Tue 23/9

06:00-14:25

2 stops46h 55m

$1,551

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Tue 23/9

21:40-14:50

1 stop31h 40m

$2,090

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Tue 23/9

20:00-19:29

3 stops37h 59m

$2,094

Flights are sorted by cheapest return flights first.

Deals found on 16/9

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

What is the cheapest time of day to fly from ADL to ORD?

Find hourly flight availability from Adelaide to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Adelaide to Chicago O'Hare Intl Airport as you normally would.

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 18 September 2025.
Check out reviews from past customers who have flown with Qantas Airways 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
907 reviews
Check prices

Overall

7.5

Comfort

7.5

Crew

8.2

Food

7.0

Boarding

7.7

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me
Qantas Airways
7.5
Good
907 reviews
Qantas Airways
7.5
Good
907 reviews
Check prices

Overall

7.5

Comfort

7.5

Crew

8.2

Food

7.0

Boarding

7.7

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me

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 1 airline has 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 24h 30m. Qantas Airways provides one of the quickest options available for as low as $1,838. 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.

  • What is the cheapest airline to fly from Adelaide to Chicago O'Hare Intl Airport round-trip?

    Qantas Airways, at $1,173, was found to be the cheapest airline from Adelaide to Chicago O'Hare Intl Airport.. Qantas Airways is priced at 40% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Adelaide to Chicago O'Hare Intl Airport one-way?

    For one-way options, check prices for Cathay Pacific. According to our data, you can fly for as low as $1,551. Users have also found prices from $2,090 and $2,094 on Qatar Airways and Air Canada, respectively.

  • 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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Top airline flying from Adelaide to O'Hare Intl

Discover the top airline 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 18 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,173Average$1,579FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

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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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