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Cheap flights from Chicago to Adelaide from $665

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 to Adelaide departing on 2/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
3:16 pm - 9:50 amORD-ADL
27h 04m2 stops
American Airlines Logo
4:10 pm - 5:04 amADL-ORD
28h 24m2 stops
$895American Airlines
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Mon, Mar 9 - Sat, Mar 21
Qantas Airways Logo
7:10 pm - 1:45 pmORD-ADL
26h 05m2 stops
Qantas Airways Logo
6:25 am - 3:55 pmADL-ORD
25h 00m2 stops
$1,102Qantas Airways
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Mon, Feb 23 - Mon, Mar 9
Multiple Airlines Logo
3:40 pm - 1:55 pmORD-ADL
29h 45m2 stops
Multiple Airlines Logo
7:55 pm - 2:41 pmADL-ORD
34h 16m2 stops
$1,156Multiple Airlines
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Mon, Feb 23 - Mon, Mar 9
Qantas Airways Logo
2:13 pm - 10:55 amORD-ADL
28h 12m2 stops
Qantas Airways Logo
7:10 pm - 3:55 pmADL-ORD
36h 15m2 stops
$1,161Qantas Airways
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Sun, Feb 22 - Sun, Mar 8
Air Canada Logo
3:40 pm - 10:30 pmORD-ADL
38h 20m2 stops
Air Canada Logo
7:55 pm - 7:30 pmADL-ORD
39h 05m3 stops
$1,172Air Canada
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Mon, Feb 23 - Mon, Mar 9
Air Canada Logo
2:00 pm - 1:55 pmORD-ADL
31h 25m3 stops
Air Canada Logo
7:55 pm - 7:30 pmADL-ORD
39h 05m3 stops
$1,179Air Canada
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Mon, Feb 23 - Mon, Mar 9
United Airlines Logo
6:15 pm - 9:30 amORD-ADL
22h 45m1 stop
United Airlines Logo
1:55 pm - 12:59 amADL-ORD
26h 34m1 stop
$1,261United Airlines
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Mon, Feb 23 - Wed, Mar 11
United Airlines Logo
6:15 pm - 9:30 amORD-ADL
22h 45m1 stop
United Airlines Logo
1:55 pm - 7:55 pmADL-ORD
21h 30m1 stop
$1,264United Airlines
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Sat, Feb 21 - Wed, Mar 11
Air New Zealand Logo
12:55 pm - 1:45 pmORD-ADL
32h 20m2 stops
Air New Zealand Logo
11:55 am - 8:23 pmADL-ORD
23h 58m2 stops
$1,557Air New Zealand
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Mon, Feb 23 - Mon, Mar 9
Air New Zealand Logo
2:33 pm - 10:55 amORD-ADL
27h 52m2 stops
Air New Zealand Logo
11:55 am - 9:54 pmADL-ORD
26h 29m2 stops
$1,678Air New Zealand
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Sat, Feb 21 - Sun, Mar 8

Air New Zealand flights from Chicago to Adelaide

Our best Air New Zealand deals on Chicago to Adelaide flight tickets
Air New Zealand
Feb 23
ORD12:55 pmChicago O'Hare Intl
32h 20m
2 stops
ADL1:45 pmAdelaide
Mar 9
ADL11:55 amAdelaide
23h 58m
2 stops
ORD8:23 pmChicago O'Hare Intl
$1,557
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Air New Zealand
Feb 21
ORD2:33 pmChicago O'Hare Intl
27h 52m
2 stops
ADL10:55 amAdelaide
Mar 8
ADL11:55 amAdelaide
26h 29m
2 stops
ORD9:54 pmChicago O'Hare Intl
$1,678
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Air New Zealand
Nov 29
ORD7:10 amChicago O'Hare Intl
35h 15m
2 stops
ADL10:55 amAdelaide
Dec 6
ADL7:00 pmAdelaide
38h 10m
2 stops
ORD4:40 pmChicago O'Hare Intl
$1,708
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Air Canada flights from Chicago to Adelaide

Our best Air Canada deals on Chicago to Adelaide flight tickets
Air Canada
Feb 23
ORD3:40 pmChicago O'Hare Intl
38h 20m
2 stops
ADL10:30 pmAdelaide
Mar 9
ADL7:55 pmAdelaide
39h 05m
3 stops
ORD7:30 pmChicago O'Hare Intl
$1,172
Find similar
Air Canada
Feb 23
ORD2:00 pmChicago O'Hare Intl
31h 25m
3 stops
ADL1:55 pmAdelaide
Mar 9
ADL7:55 pmAdelaide
39h 05m
3 stops
ORD7:30 pmChicago O'Hare Intl
$1,179
Find similar
Air Canada
Feb 20
ORD3:40 pmChicago O'Hare Intl
38h 20m
2 stops
ADL10:30 pmAdelaide
Mar 8
ADL6:55 pmAdelaide
40h 28m
2 stops
ORD7:53 pmChicago O'Hare Intl
$1,286
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momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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 832,500 searches. Data last updated October 16, 2025.
Use the filters below to find and compare flights from Chicago to Adelaide that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 3/9

3:16 pm-9:50 am

2 stops27h 04m

Adelaide

Sat 3/21

4:10 pm-5:04 am

2 stops28h 24m

$895

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 2/23

7:10 pm-1:45 pm

2 stops26h 05m

Adelaide

Mon 3/9

6:25 am-3:55 pm

2 stops25h 00m

$1,102

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 2/23

3:40 pm-1:55 pm

2 stops29h 45m

Adelaide

Mon 3/9

7:55 pm-2:41 pm

2 stops34h 16m

$1,156

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sun 2/22

2:13 pm-10:55 am

2 stops28h 12m

Adelaide

Sun 3/8

7:10 pm-3:55 pm

2 stops36h 15m

$1,161

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 2/23

3:40 pm-10:30 pm

2 stops38h 20m

Adelaide

Mon 3/9

7:55 pm-7:30 pm

3 stops39h 05m

$1,172

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 2/23

2:00 pm-1:55 pm

3 stops31h 25m

Adelaide

Mon 3/9

7:55 pm-7:30 pm

3 stops39h 05m

$1,179

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 2/23

6:15 pm-9:30 am

1 stop22h 45m

Adelaide

Wed 3/11

1:55 pm-12:59 am

1 stop26h 34m

$1,261

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sat 2/21

6:15 pm-9:30 am

1 stop22h 45m

Adelaide

Wed 3/11

1:55 pm-7:55 pm

1 stop21h 30m

$1,264

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 2/23

12:55 pm-1:45 pm

2 stops32h 20m

Adelaide

Mon 3/9

11:55 am-8:23 pm

2 stops23h 58m

$1,557

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sat 2/21

2:33 pm-10:55 am

2 stops27h 52m

Adelaide

Sun 3/8

11:55 am-9:54 pm

2 stops26h 29m

$1,678

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Chicago 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 typical price of a round-trip flight between Chicago and Adelaide?

What is the cheapest day to depart on your flight to Adelaide?

The cheapest day to depart on your flight to Adelaide is on a Tuesday when prices can be found for as low as $1,440. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Adelaide is Saturday, with ticket prices averaging around $2,298.

What is the cheapest time of day to depart on your flight to Adelaide?

According to our data, the cheapest time of day to fly to Adelaide is at noon. momondo users have found flights departing from Chicago to Adelaide at noon for as low as $1,201. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Adelaide are more costly in the morning, with an average ticket price of $2,194. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Chicago to Adelaide

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Adelaide according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Adelaide (CHI to ADL) flight deals and tips

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

Direct flights

None
There are no direct flights from Chicago to Adelaide. There are no popular flight routes from Chicago to Adelaide.
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  • How far is Chicago to Adelaide by plane?

    The straight-line distance from Chicago to Adelaide is 9912.3 mi. 22h 45m is a normal flight duration for this route.

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

    Prices for flights from Chicago to Adelaide Airport are updated daily.

  • How many operators does momondo search for flights from Chicago to Adelaide Airport?

  • How old do you have to be to fly from Chicago 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 layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago 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 license, 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.

  • What is the most popular airline from Chicago to Adelaide?

Best airlines flying from Chicago to Adelaide

Compare and see reviews for airlines that fly from Chicago to Adelaide with momondo
Airline
Rating
Free Cancellation
Price
Qantas AirwaysPriceFrom $987Free CancellationRating
7.5
918 reviews
Search Qantas Airways flights
Air New ZealandPriceFrom $1,303Free CancellationRating
8.0
515 reviews
Search Air New Zealand flights
Fiji AirwaysPriceFrom $1,351Free CancellationRating
8.0
205 reviews
Search Fiji Airways flights

Traveling 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?

momondo helps you find the best flight between Chicago and Adelaide by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Adelaide, momondo offers a useful price alert feature which will track prices for flights to Adelaide from Chicago and alert you when they change.

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