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Cheap flights from Adelaide to Chicago O'Hare Intl Airport from $1,254

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 16/8. Fares are subject to change and may not be available on all flights or dates of travel.
ADL — ORD
9 Jul — 16 Jul1
1 adult

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 4 July 2025.

Round-trip from

$1,654

One-way from

$1,254

Popular in

December

Cheapest in

May

Average price

$1,952
Air New Zealand
  • Air New Zealand
  • 20/10-18/11
  • 4 total stops
  • 55h 43m total
  • Adelaide to Chicago
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American Airlines
  • American Airlines
  • 16/8
  • 2 total stops
  • 41h 40m total
  • Adelaide to Chicago
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Highest demand for flights based on searches. 18% potential increase in price ($731 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease ($121 potential savings vs. average return price).
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Average for round-trip flights in July 2025
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Find flight deals from Adelaide to O'Hare Intl

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 4 July 2025.

Mon 20/1011:55ADL - ORD
2 stops24h 00mAir New Zealand
Tue 18/1110:42ORD - ADL
2 stops31h 43mAir New Zealand
Deal found 1/7$1,654
Mon 20/1006:00ADL - ORD
3 stops28h 59mAir Canada
Tue 18/1115:40ORD - ADL
2 stops34h 00mAir Canada
Deal found 1/7$2,206
Sat 16/806:00ADL - ORD
2 stops24h 25mQantas Airways
Sat 23/815:12ORD - ADL
2 stops27h 43mQantas Airways
Deal found 2/7$2,227
Sat 16/821:40ADL - ORD
2 stops38h 12mQatar Airways
Sat 23/819:20ORD - ADL
1 stop30h 00mQatar Airways
Deal found 2/7$3,048
Mon 20/1019:00ADL - ORD
2 stops34h 55mMultiple Airlines
Tue 18/1114:40ORD - ADL
2 stops32h 15mMultiple Airlines
Deal found 1/7$4,029
Mon 20/1018:35ADL - ORD
2 stops37h 58mSingapore Airlines
Tue 18/1106:45ORD - ADL
3 stops42h 05mSingapore Airlines
Deal found 1/7$4,356

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 4 July 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

Mon 20/10

11:55-20:25

2 stops24h 00m

Chicago O'Hare Intl

Tue 18/11

10:42-10:55

2 stops31h 43m

$1,654

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Mon 20/10

06:00-19:29

3 stops28h 59m

Chicago O'Hare Intl

Tue 18/11

15:40-18:10

2 stops34h 00m

$2,206

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Sat 16/8

06:00-15:55

2 stops24h 25m

Chicago O'Hare Intl

Sat 23/8

15:12-09:25

2 stops27h 43m

$2,227

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Sat 16/8

21:40-21:22

2 stops38h 12m

Chicago O'Hare Intl

Sat 23/8

19:20-15:50

1 stop30h 00m

$3,048

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Mon 20/10

19:00-14:25

2 stops34h 55m

Chicago O'Hare Intl

Tue 18/11

14:40-15:25

2 stops32h 15m

$4,029

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Mon 20/10

18:35-17:03

2 stops37h 58m

Chicago O'Hare Intl

Tue 18/11

06:45-17:20

3 stops42h 05m

$4,356

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Sat 16/8

12:45-15:55

2 stops41h 40m

$1,254

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Sat 16/8

06:00-19:12

3 stops27h 42m

$2,151

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Sat 16/8

11:40-15:05

1 stop41h 55m

$2,351

Flights are sorted by cheapest return flights first.

Deals found on 2/7

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 4 July 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 4 July 2025.
Check out reviews from past customers who have flown with Singapore Airlines, Air New Zealand, andQantas 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.
Singapore Airlines
8.1
Very Good
1,320 reviews
Check prices

Boarding

8.2

Food

7.7

Crew

8.6

Comfort

7.9

Entertainment

8.0

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Singapore Airlines
8.1
Very Good
1,320 reviews
Singapore Airlines
8.1
Very Good
1,320 reviews
Check prices

Boarding

8.2

Food

7.7

Crew

8.6

Comfort

7.9

Entertainment

8.0

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Air New Zealand
8.0
Very Good
484 reviews
Singapore Airlines
8.1
Very Good
1,320 reviews
Check prices

Boarding

8.2

Food

7.7

Crew

8.6

Comfort

7.9

Entertainment

8.0

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Qantas Airways
7.5
Good
868 reviews
Singapore Airlines
8.1
Very Good
1,320 reviews
Check prices

Boarding

8.2

Food

7.7

Crew

8.6

Comfort

7.9

Entertainment

8.0

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Qatar Airways
7.4
Good
3,588 reviews
Singapore Airlines
8.1
Very Good
1,320 reviews
Check prices

Boarding

8.2

Food

7.7

Crew

8.6

Comfort

7.9

Entertainment

8.0

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
American Airlines
7.2
Good
10,000 reviews
Singapore Airlines
8.1
Very Good
1,320 reviews
Check prices

Boarding

8.2

Food

7.7

Crew

8.6

Comfort

7.9

Entertainment

8.0

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

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.

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

    Air New Zealand, at $1,654, was found to be the cheapest airline from Adelaide to Chicago O'Hare Intl Airport.Alternate airlines to your destination round-trip include Air Canada and Qantas Airways. Air New Zealand is priced at 20% 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 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 4 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,191Average$1,603FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

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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.

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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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