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Cheap flights from Chicago O'Hare Intl Airport to Adelaide from $2,091

This is the cheapest return 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 19/10. 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
1 adult, Economy, 0 bags

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

Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
15:40 - 19:25
ORD
-
ADL
36h 15m
2 stops
Air Canada Logo
06:10 - 20:01
ADL
-
ORD
30h 21m
2 stops
$2,091Air Canada
Mon, 19 Oct - Tue, 10 Nov
Air Canada Logo
15:40 - 13:55
ORD
-
ADL
31h 45m
2 stops
Air Canada Logo
18:55 - 14:36
ADL
-
ORD
34h 11m
2 stops
$2,101Air Canada
Tue, 4 Aug - Tue, 18 Aug
Air Canada Logo
09:50 - 13:55
ORD
-
ADL
36h 35m
3 stops
Air Canada Logo
06:10 - 20:01
ADL
-
ORD
30h 21m
2 stops
$2,103Air Canada
Mon, 19 Oct - Tue, 10 Nov
Air Canada Logo
12:55 - 13:55
ORD
-
ADL
34h 30m
3 stops
Air Canada Logo
18:55 - 14:36
ADL
-
ORD
34h 11m
2 stops
$2,113Air Canada
Tue, 4 Aug - Tue, 18 Aug
Multiple Airlines Logo
19:45 - 13:30
ORD
-
ADL
26h 15m
2 stops
Multiple Airlines Logo
06:10 - 14:41
ADL
-
ORD
24h 01m
2 stops
$2,137Multiple Airlines
Fri, 16 Oct - Sun, 25 Oct
Multiple Airlines Logo
15:40 - 11:10
ORD
-
ADL
29h 00m
2 stops
Multiple Airlines Logo
17:15 - 14:36
ADL
-
ORD
35h 51m
2 stops
$2,151Multiple Airlines
Sat, 8 Aug - Sat, 15 Aug
Air Canada Logo
19:40 - 18:10
ORD
-
ADL
32h 00m
2 stops
Air Canada Logo
20:00 - 14:36
ADL
-
ORD
33h 06m
2 stops
$2,153Air Canada
Mon, 10 Aug - Wed, 19 Aug
Air Canada Logo
15:40 - 13:55
ORD
-
ADL
31h 45m
2 stops
Air Canada Logo
18:55 - 14:36
ADL
-
ORD
34h 11m
2 stops
$2,155Air Canada
Mon, 10 Aug - Wed, 19 Aug
Air Canada Logo
15:40 - 13:55
ORD
-
ADL
31h 45m
2 stops
Air Canada Logo
20:00 - 22:05
ADL
-
ORD
40h 35m
3 stops
$2,162Air Canada
Mon, 10 Aug - Wed, 19 Aug
Air Canada Logo
15:40 - 11:10
ORD
-
ADL
29h 00m
2 stops
Air Canada Logo
20:00 - 22:05
ADL
-
ORD
40h 35m
3 stops
$2,165Air Canada
Mon, 10 Aug - Wed, 19 Aug

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United Airlines flights from Chicago O'Hare Intl Airport to Adelaide

Our best United Airlines deals on Chicago O'Hare Intl Airport to Adelaide flight tickets
United Airlines
16 Aug
ORD22:00Chicago O'Hare Intl
46h 35m
2 stops
ADL11:05Adelaide
1 Sept
ADL06:05Adelaide
39h 21m
2 stops
ORD06:56Chicago O'Hare Intl
$2,572
United Airlines
13 July
ORD18:10Chicago O'Hare Intl
25h 25m
2 stops
ADL10:05Adelaide
20 July
ADL07:15Adelaide
23h 53m
2 stops
ORD16:38Chicago O'Hare Intl
$3,530

Cathay Pacific flights from Chicago O'Hare Intl Airport to Adelaide

Our best Cathay Pacific deals on Chicago O'Hare Intl Airport to Adelaide flight tickets
Cathay Pacific
11 Nov
ORD14:35Chicago O'Hare Intl
27h 25m
1 stop
ADL10:30Adelaide
15 Nov
ADL12:00Adelaide
41h 25m
1 stop
ORD12:55Chicago O'Hare Intl
$3,301
Cathay Pacific
11 Nov
ORD14:35Chicago O'Hare Intl
27h 25m
1 stop
ADL10:30Adelaide
15 Nov
ADL19:00Adelaide
34h 25m
2 stops
ORD12:55Chicago O'Hare Intl
$3,394

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 25 June 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

Cheapest return flight

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 19/10

15:40-19:25

2 stops36h 15m

Adelaide

Tue 10/11

06:10-20:01

2 stops30h 21m

$2,091

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Tue 4/8

15:40-13:55

2 stops31h 45m

Adelaide

Tue 18/8

18:55-14:36

2 stops34h 11m

$2,101

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 19/10

09:50-13:55

3 stops36h 35m

Adelaide

Tue 10/11

06:10-20:01

2 stops30h 21m

$2,103

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Tue 4/8

12:55-13:55

3 stops34h 30m

Adelaide

Tue 18/8

18:55-14:36

2 stops34h 11m

$2,113
Fastest return journey

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Fri 16/10

19:45-13:30

2 stops26h 15m

Adelaide

Sun 25/10

06:10-14:41

2 stops24h 01m

$2,137

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sat 8/8

15:40-11:10

2 stops29h 00m

Adelaide

Sat 15/8

17:15-14:36

2 stops35h 51m

$2,151

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 10/8

19:40-18:10

2 stops32h 00m

Adelaide

Wed 19/8

20:00-14:36

2 stops33h 06m

$2,153

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 10/8

15:40-13:55

2 stops31h 45m

Adelaide

Wed 19/8

18:55-14:36

2 stops34h 11m

$2,155

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 10/8

15:40-13:55

2 stops31h 45m

Adelaide

Wed 19/8

20:00-22:05

3 stops40h 35m

$2,162

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 10/8

15:40-11:10

2 stops29h 00m

Adelaide

Wed 19/8

20:00-22:05

3 stops40h 35m

$2,165

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Adelaide from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Adelaide

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Adelaide?

The month of September is, on average, the cheapest month to fly to Adelaide from Chicago O'Hare Intl Airport, with most prices found around $0. If you aren’t able to travel during the month of September, then book flights to Adelaide from Chicago O'Hare Intl Airport during April instead. Flights to Adelaide in April, while not as cheap as those in September, still average around $0.

Can stopping save me money on Chicago O'Hare Intl Airport to Adelaide flights?

You could potentially save up to 2% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Adelaide flight.

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

28h 38m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Adelaide takes 28h 38m
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

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Adelaide

  • 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 28h 38m, 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.

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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