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Cheap flights from Illinois to Adelaide from $2,080

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Adelaide departing on 24/11. 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 Illinois to Adelaide

Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
15:40 - 18:10
ORD
-
ADL
34h 00m
2 stops
Air Canada Logo
06:10 - 16:38
ADL
-
ORD
26h 58m
2 stops
$2,080Air Canada
Tue, 24 Nov - Tue, 1 Dec
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
$2,088Air Canada
Tue, 4 Aug - Tue, 18 Aug
Air Canada Logo
15:40 - 11:10
ORD
-
ADL
29h 00m
2 stops
Air Canada Logo
18:55 - 14:36
ADL
-
ORD
34h 11m
2 stops
$2,091Air Canada
Mon, 3 Aug - Mon, 10 Aug
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
$2,100Air Canada
Tue, 4 Aug - Tue, 18 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
$2,101Air Canada
Mon, 3 Aug - Mon, 10 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
$2,124Multiple Airlines
Fri, 16 Oct - Sun, 25 Oct
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
$2,140Air 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
$2,142Air 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
$2,152Air Canada
Mon, 10 Aug - Wed, 19 Aug
Air Canada Logo
12:55 - 11:50
ORD
-
ADL
32h 25m
3 stops
Air Canada Logo
18:55 - 14:36
ADL
-
ORD
34h 11m
2 stops
$2,153Air Canada
Mon, 10 Aug - Wed, 19 Aug

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Qatar Airways flights from Illinois to Adelaide

Our best Qatar Airways deals on Illinois to Adelaide flight tickets
Qatar Airways
16 Oct
ORD19:20Chicago O'Hare Intl
29h 10m
1 stop
ADL16:00Adelaide
25 Oct
ADL17:05Adelaide
37h 55m
2 stops
ORD15:30Chicago O'Hare Intl
$2,611
Qatar Airways
16 Aug
ORD19:20Chicago O'Hare Intl
29h 10m
1 stop
ADL15:00Adelaide
1 Sept
ADL16:30Adelaide
37h 05m
2 stops
ORD15:05Chicago O'Hare Intl
$2,860
Qatar Airways
24 Nov
ORD18:50Chicago O'Hare Intl
29h 10m
1 stop
ADL16:30Adelaide
1 Dec
ADL22:00Adelaide
33h 00m
1 stop
ORD14:30Chicago O'Hare Intl
$3,248

Air Canada flights from Illinois to Adelaide

Our best Air Canada deals on Illinois to Adelaide flight tickets
Air Canada
24 Nov
ORD15:40Chicago O'Hare Intl
34h 00m
2 stops
ADL18:10Adelaide
1 Dec
ADL06:10Adelaide
26h 58m
2 stops
ORD16:38Chicago O'Hare Intl
$2,080
Air Canada
4 Aug
ORD15:40Chicago O'Hare Intl
31h 45m
2 stops
ADL13:55Adelaide
18 Aug
ADL18:55Adelaide
34h 11m
2 stops
ORD14:36Chicago O'Hare Intl
$2,088
Air Canada
3 Aug
ORD15:40Chicago O'Hare Intl
29h 00m
2 stops
ADL11:10Adelaide
10 Aug
ADL18:55Adelaide
34h 11m
2 stops
ORD14:36Chicago O'Hare Intl
$2,091

momondo Fare Finder

 
Customise your flight search to find flights from Illinois 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 24 June 2026.
Use the filters below to find and compare flights from Illinois 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

Tue 24/11

15:40-18:10

2 stops34h 00m

Adelaide

Tue 1/12

06:10-16:38

2 stops26h 58m

$2,080

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

$2,088

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 3/8

15:40-11:10

2 stops29h 00m

Adelaide

Mon 10/8

18:55-14:36

2 stops34h 11m

$2,091

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

$2,100

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 3/8

15:40-11:10

2 stops29h 00m

Adelaide

Mon 10/8

20:00-22:05

3 stops40h 35m

$2,101
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

$2,124

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

$2,140

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

$2,142

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

$2,152

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 10/8

12:55-11:50

3 stops32h 25m

Adelaide

Wed 19/8

18:55-14:36

2 stops34h 11m

$2,153

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 Illinois 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 Illinois, with most prices found around $0. If you aren’t able to travel during the month of September, then book flights to Adelaide from Illinois 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 Illinois to Adelaide flights?

You could potentially save up to 2% on your flight if you consider stops on a Illinois to Adelaide flight.

Cheap Illinois to Adelaide flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Adelaide

Fastest flight time

26h 15m

Direct flights

None
The fastest flight from Illinois to Adelaide takes 26h 15m
There are no direct flights from Illinois to Adelaide. There are no popular flight routes from Illinois to Adelaide.
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Frequently asked questions about flying from Illinois to Adelaide

  • When did momondo last update prices for flights from Illinois to Adelaide Airport?

    Prices for flights from Illinois to Adelaide Airport refresh daily.

  • How old do you have to be to fly from Illinois to Adelaide Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Adelaide Airport.

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

    The travel and health documents required for your trip to Adelaide Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Adelaide Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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 Illinois to Adelaide?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Illinois to Adelaide. momondo saves you time and could save you money on your trip.

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

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

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

Once you have performed a search for Illinois to Adelaide flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Adelaide from Illinois. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Adelaide trip

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