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Cheap flights from Chicago O'Hare Intl Airport to Adelaide from $721

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Adelaide departing on 4/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Chicago O'Hare Intl Airport to Adelaide

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
15:35 - 14:05
ORD
-
ADL
30h 00m
2 stops
Multiple Airlines Logo
19:35 - 14:43
ADL
-
ORD
33h 38m
2 stops
$1,998Multiple Airlines
Sat, 21 Feb - Sat, 25 Apr
Multiple Airlines Logo
15:35 - 14:05
ORD
-
ADL
30h 00m
2 stops
Multiple Airlines Logo
17:15 - 19:25
ADL
-
ORD
40h 40m
3 stops
$2,010Multiple Airlines
Sat, 21 Feb - Sat, 25 Apr
United Airlines Logo
21:15 - 09:30
ORD
-
ADL
43h 45m
2 stops
United Airlines Logo
14:15 - 21:29
ADL
-
ORD
22h 44m
2 stops
$2,037United Airlines
Wed, 4 Mar - Wed, 11 Mar
Air Canada Logo
15:35 - 20:45
ORD
-
ADL
36h 40m
2 stops
Air Canada Logo
06:00 - 08:50
ADL
-
ORD
43h 20m
3 stops
$2,064Air Canada
Wed, 4 Mar - Sun, 8 Mar
United Airlines Logo
16:20 - 09:30
ORD
-
ADL
24h 40m
1 stop
United Airlines Logo
19:00 - 14:54
ADL
-
ORD
34h 24m
2 stops
$2,088United Airlines
Sat, 21 Feb - Sat, 25 Apr
Air Canada Logo
20:40 - 13:55
ORD
-
ADL
48h 45m
3 stops
Air Canada Logo
16:30 - 17:50
ADL
-
ORD
63h 50m
3 stops
$2,089Air Canada
Sat, 21 Feb - Sat, 25 Apr
Air Canada Logo
15:35 - 20:45
ORD
-
ADL
36h 40m
2 stops
Air Canada Logo
06:00 - 19:45
ADL
-
ORD
29h 15m
3 stops
$2,159Air Canada
Wed, 4 Mar - Wed, 11 Mar
Air Canada Logo
15:35 - 18:10
ORD
-
ADL
35h 05m
2 stops
Air Canada Logo
06:10 - 14:43
ADL
-
ORD
24h 03m
2 stops
$2,455Air Canada
Wed, 25 Mar - Wed, 1 Apr
Cathay Pacific Logo
14:35 - 10:30
ORD
-
ADL
27h 25m
1 stop
Cathay Pacific Logo
12:00 - 13:55
ADL
-
ORD
41h 25m
1 stop
$2,587Cathay Pacific
Wed, 4 Mar - Wed, 11 Mar
Air Canada Logo
13:55 - 13:55
ORD
-
ADL
32h 30m
3 stops
Air Canada Logo
06:10 - 14:43
ADL
-
ORD
24h 03m
2 stops
$2,822Air Canada
Wed, 25 Mar - Wed, 1 Apr

Air New Zealand flights from Chicago O'Hare Intl Airport to Adelaide

Our best Air New Zealand deals on Chicago O'Hare Intl Airport to Adelaide flight tickets
Air New Zealand
24 Feb
ORD12:55Chicago O'Hare Intl
29h 30m
2 stops
ADL10:55Adelaide
27 Feb
ADL11:55Adelaide
25h 03m
2 stops
ORD20:28Chicago O'Hare Intl
$2,561
Air New Zealand
12 Feb
ORD14:33Chicago O'Hare Intl
32h 42m
2 stops
ADL15:45Adelaide
14 Feb
ADL19:00Adelaide
44h 29m
3 stops
ORD22:59Chicago O'Hare Intl
$3,271
Air New Zealand
12 Feb
ORD16:00Chicago O'Hare Intl
31h 15m
3 stops
ADL15:45Adelaide
14 Feb
ADL19:00Adelaide
44h 29m
3 stops
ORD22:59Chicago O'Hare Intl
$3,321

Qatar Airways flights from Chicago O'Hare Intl Airport to Adelaide

Our best Qatar Airways deals on Chicago O'Hare Intl Airport to Adelaide flight tickets
Qatar Airways
25 Mar
ORD20:05Chicago O'Hare Intl
29h 30m
1 stop
ADL17:05Adelaide
1 Apr
ADL19:20Adelaide
35h 00m
2 stops
ORD14:50Chicago O'Hare Intl
$3,091
Qatar Airways
24 Feb
ORD18:50Chicago O'Hare Intl
35h 05m
2 stops
ADL22:25Adelaide
27 Feb
ADL22:00Adelaide
33h 00m
1 stop
ORD14:30Chicago O'Hare Intl
$3,332
Qatar Airways
25 Mar
ORD20:05Chicago O'Hare Intl
29h 30m
1 stop
ADL17:05Adelaide
1 Apr
ADL22:00Adelaide
32h 20m
1 stop
ORD14:50Chicago O'Hare Intl
$3,842

momondo Fare Finder

 
Customise your flight search to find flights from Chicago O'Hare Intl Airport to Adelaide 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, momondo users made 78,305 searches. Data last updated 10 February 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Adelaide that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sat 21/2

15:35-14:05

2 stops30h 00m

Adelaide

Sat 25/4

19:35-14:43

2 stops33h 38m

$1,998

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sat 21/2

15:35-14:05

2 stops30h 00m

Adelaide

Sat 25/4

17:15-19:25

3 stops40h 40m

$2,010

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Wed 4/3

21:15-09:30

2 stops43h 45m

Adelaide

Wed 11/3

14:15-21:29

2 stops22h 44m

$2,037

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Wed 4/3

15:35-20:45

2 stops36h 40m

Adelaide

Sun 8/3

06:00-08:50

3 stops43h 20m

$2,064

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sat 21/2

16:20-09:30

1 stop24h 40m

Adelaide

Sat 25/4

19:00-14:54

2 stops34h 24m

$2,088

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sat 21/2

20:40-13:55

3 stops48h 45m

Adelaide

Sat 25/4

16:30-17:50

3 stops63h 50m

$2,089

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Wed 4/3

15:35-20:45

2 stops36h 40m

Adelaide

Wed 11/3

06:00-19:45

3 stops29h 15m

$2,159

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Wed 25/3

15:35-18:10

2 stops35h 05m

Adelaide

Wed 1/4

06:10-14:43

2 stops24h 03m

$2,455

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Wed 4/3

14:35-10:30

1 stop27h 25m

Adelaide

Wed 11/3

12:00-13:55

1 stop41h 25m

$2,587

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Wed 25/3

13:55-13:55

3 stops32h 30m

Adelaide

Wed 1/4

06:10-14:43

2 stops24h 03m

$2,822

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

When to book flights from Chicago O'Hare Intl Airport to Adelaide

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Adelaide according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Chicago O'Hare Intl Airport to Adelaide (ORD to ADL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Adelaide

Fastest flight time

26h 20m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Adelaide takes 26h 20m
There are no direct flights from Chicago O'Hare Intl Airport to Adelaide. There are no popular flight routes from Chicago O'Hare Intl Airport to Adelaide.
Search flight deals

  • How far is Chicago O'Hare Intl to Adelaide by plane?

    The straight-line distance from Chicago O'Hare Intl to Adelaide is 15930.4 km. Flights usually cover this in 26h 20m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Adelaide Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Adelaide Airport are updated daily.

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Adelaide Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Adelaide Airport.

  • What documentation or ID do you need to fly to Adelaide Airport?

    The travel and health documents you'll need for your trip to Adelaide Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Adelaide Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Chicago O'Hare Intl Airport to Adelaide?

    Search flight deals from Chicago O'Hare Intl Airport to Adelaide. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Chicago O'Hare Intl Airport to Adelaide with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Travelling to a place near Adelaide?

Book flights to Adelaide if you plan to visit one of these locations
Glenelg

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Adelaide?

Finding the right flight to Adelaide from Chicago is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Adelaide quick and easy, saving you time and money.

Can I find flights from Chicago to Adelaide with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Chicago to Adelaide flights to just show those with flexible booking policies.

How can momondo help me find flights from Chicago to Adelaide?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Adelaide from Chicago.

I’m not ready to book a flight from Chicago to Adelaide right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Chicago to Adelaide flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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