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 45h 35m. Cathay Pacific provides one of the quickest options available for as low as $2,007. The distance from Adelaide to Chicago O'Hare Intl Airport is about 15937 km.

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

Qantas Airways, at $1,874, was found to be the cheapest airline from Adelaide to Chicago O'Hare Intl Airport.. Qantas Airways is priced at 19% lower than the current average price of a flight leaving 3 months from now.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 43.0 mm.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

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

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.

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.

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.

$701+ Cheap Flights from Adelaide to Chicago O'Hare Intl Airport

Cheap flight deals from Adelaide to O'Hare Intl

Enter your travel dates to find the best prices.

Cheapest

Best

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One-way

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 5 September 2026.

Thu 5/1107:50 -

2 stops45h 35m

Mon 9/1114:10 -

1 stop27h 50m

Deal found 1/9$2,007

Thu 5/1118:30 -

2 stops35h 31m

Mon 9/1121:06 -

2 stops48h 44m

Deal found 1/9$2,205

Wed 14/1012:05 -

2 stops28h 20m

Tue 27/1014:40 -

2 stops28h 45m

Deal found 31/8$2,254

Wed 14/1022:00 -

2 stops39h 40m

Tue 27/1019:50 -

1 stop28h 35m

Deal found 31/8$2,283

Wed 7/1012:40 -

2 stops64h 45m

Wed 31/316:15 -

2 stops53h 50m

Deal found 2/9$2,351

Find flight deals from Adelaide to O'Hare Intl

Round-trip from	$2,007
One-way from	$701
Popular in	May
Cheapest in	January
Average price	$1,889

Cathay Pacific
5/11-9/11
3 total stops
73h 25m total
Adelaide to Chicago

Search Deals

21/10-31/12
3 total stops
52h 49m total
Adelaide to Chicago

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($553 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 11% potential price decrease ($333 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

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 Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Thu 5/11

07:50-12:55

2 stops45h 35m

Chicago O'Hare Intl

Mon 9/11

14:10-10:30

1 stop27h 50m

$2,007

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Thu 5/11

18:30-13:31

2 stops35h 31m

Chicago O'Hare Intl

Mon 9/11

21:06-14:20

2 stops48h 44m

$2,208

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Wed 14/10

12:05-00:55

2 stops28h 20m

Chicago O'Hare Intl

Tue 27/10

14:40-10:55

2 stops28h 45m

$2,254

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Wed 14/10

22:00-22:10

2 stops39h 40m

Chicago O'Hare Intl

Tue 27/10

19:50-15:55

1 stop28h 35m

$2,283

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Sun 4/10

06:00-13:55

2 stops47h 25m

Chicago O'Hare Intl

Wed 31/3

16:15-13:35

2 stops53h 50m

$2,436

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Sun 4/10

06:00-13:55

2 stops47h 25m

Chicago O'Hare Intl

Sun 28/3

16:15-17:45

2 stops34h 00m

$2,436

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Fri 9/10

22:35-15:45

1 stop32h 40m

Chicago O'Hare Intl

Wed 31/12

00:00-15:30

Nonstop0h 00m

$2,552

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Sun 11/10

22:35-16:00

1 stop32h 55m

Chicago O'Hare Intl

Wed 31/12

00:00-15:30

Nonstop0h 00m

$2,552

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Mon 19/10

22:35-16:00

1 stop32h 55m

Chicago O'Hare Intl

Wed 31/12

00:00-15:30

Nonstop0h 00m

$2,552

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Mon 5/10

22:35-15:45

1 stop32h 40m

Chicago O'Hare Intl

Wed 31/12

00:00-15:30

Nonstop0h 00m

$2,552

Flights are sorted by cheapest return flights first.

Deals found on 2/9

Showing 1-10 of 18 resultsSorted 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.

ADL-ORD

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.

Reviews of airlines servicing O'Hare Intl

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

1,089 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Tania,May 2026

SYD - DFW

The trip was great and the flight attendants were lovely. It was my honeymoon and ai thought I lost my gold brecelet. They searched until they found it and gave us a bottle of champaign to celebrate our honeymoon. They were lovely!

Qantas Airways

7.5

Good

1,089 reviews

Qantas Airways

7.5

Good

1,089 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Tania,May 2026

SYD - DFW

Related info for your journey

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 45h 35m. Cathay Pacific provides one of the quickest options available for as low as $2,007. The distance from Adelaide to Chicago O'Hare Intl Airport is about 15937 km.
What is the cheapest airline to fly from Adelaide to Chicago O'Hare Intl Airport round-trip?
Qantas Airways, at $1,874, was found to be the cheapest airline from Adelaide to Chicago O'Hare Intl Airport.. Qantas Airways is priced at 19% 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

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Top airline flying from Adelaide to O'Hare Intl

Airline	Cheapest	Average	Flexibility	On-time
Qantas Airways	Cheapest$1,874	Average$2,357	FlexibilityNo cancel fee	On-time74%	Search Qantas Airways flights

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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.

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Cheap flights from Adelaide to Chicago O'Hare Intl Airport from $701

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Adelaide to O'Hare Intl

Cheapest flights from Adelaide to O'Hare IntlExplore 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 5 September 2026.

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 5 September 2026.

Best flights from Adelaide to O'Hare IntlDiscover 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 5 September 2026.

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 5 September 2026.

Last-minute flights from Adelaide to O'Hare IntlDiscover last-minute flight deals from Adelaide to O'Hare Intl. Data last updated 5 September 2026 and is based on user searches.

Discover last-minute flight deals from Adelaide to O'Hare Intl. Data last updated 5 September 2026 and is based on user searches.

One-way flights from Adelaide to O'Hare IntlSearch for one-way flight options from Adelaide to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 5 September 2026.

Search for one-way flight options from Adelaide to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 5 September 2026.

Find flight deals from Adelaide to O'Hare Intl

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

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.

Reviews of airlines servicing O'Hare Intl

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.

Related info for your journey

What airport do you fly from for flights from Adelaide to Chicago O'Hare Intl?

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

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

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

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

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

Travelling to a place near Chicago O'Hare Intl Airport?

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Other flights to O'Hare Intl

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Adelaide and O'Hare Intl flights

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

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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 5 September 2026.

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 5 September 2026.

Last-minute flights from Adelaide to O'Hare Intl
Discover last-minute flight deals from Adelaide to O'Hare Intl. Data last updated 5 September 2026 and is based on user searches.

One-way flights from Adelaide to O'Hare Intl
Search for one-way flight options from Adelaide to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 5 September 2026.