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Cheap flights from Chicago O'Hare Intl Airport to Adelaide from $780

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 11/15. 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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Find the cheapest flights from Chicago O'Hare Intl Airport to Adelaide

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
1:05 pm - 4:20 pmORD-ADL
34h 45m2 stops
Air Canada Logo
6:10 am - 7:53 pmADL-ORD
29h 13m2 stops
$809Air Canada
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Tue, Feb 17 - Mon, Mar 23
Air Canada Logo
3:40 pm - 10:30 pmORD-ADL
38h 20m2 stops
Air Canada Logo
6:10 am - 4:38 pmADL-ORD
26h 58m2 stops
$811Air Canada
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Tue, Feb 17 - Fri, Feb 27
Multiple Airlines Logo
3:40 pm - 4:25 pmORD-ADL
32h 15m2 stops
Multiple Airlines Logo
6:10 am - 2:41 pmADL-ORD
25h 01m2 stops
$1,321Multiple Airlines
Find Deal
Tue, Feb 10 - Tue, Mar 3
Multiple Airlines Logo
2:00 pm - 4:25 pmORD-ADL
33h 55m3 stops
Multiple Airlines Logo
6:10 am - 4:38 pmADL-ORD
26h 58m2 stops
$1,327Multiple Airlines
Find Deal
Tue, Feb 10 - Tue, Mar 3
United Airlines Logo
9:05 pm - 9:30 amORD-ADL
67h 55m2 stops
United Airlines Logo
1:55 pm - 7:55 pmADL-ORD
21h 30m1 stop
$1,332United Airlines
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Tue, Feb 17 - Mon, Mar 23
United Airlines Logo
9:00 am - 9:30 amORD-ADL
32h 00m1 stop
United Airlines Logo
2:55 pm - 7:51 pmADL-ORD
21h 26m1 stop
$1,488United Airlines
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Thu, Jan 15 - Mon, Jan 26
Air New Zealand Logo
7:58 pm - 10:55 amORD-ADL
46h 27m2 stops
Air New Zealand Logo
2:25 pm - 2:50 pmADL-ORD
40h 55m2 stops
$1,827Air New Zealand
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Fri, Jan 9 - Sat, Jan 24
Qantas Airways Logo
11:55 am - 9:25 amORD-ADL
29h 00m2 stops
Qantas Airways Logo
6:00 am - 3:33 pmADL-ORD
26h 03m2 stops
$2,059Qantas Airways
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Fri, Dec 12 - Fri, Dec 19
Qantas Airways Logo
5:18 pm - 6:50 pmORD-ADL
33h 02m2 stops
Qantas Airways Logo
8:45 am - 1:36 pmADL-ORD
45h 21m2 stops
$2,169Qantas Airways
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Sat, Dec 13 - Sat, Dec 20
Air New Zealand Logo
2:35 pm - 3:45 pmORD-ADL
32h 40m3 stops
Air New Zealand Logo
8:00 pm - 6:50 pmADL-ORD
39h 20m2 stops
$2,200Air New Zealand
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Thu, Nov 13 - Mon, Nov 17

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
Feb 17
ORD9:05 pmChicago O'Hare Intl
67h 55m
2 stops
ADL9:30 amAdelaide
Mar 23
ADL1:55 pmAdelaide
21h 30m
1 stop
ORD7:55 pmChicago O'Hare Intl
$1,332
Find similar
United Airlines
Jan 15
ORD9:00 amChicago O'Hare Intl
32h 00m
1 stop
ADL9:30 amAdelaide
Jan 26
ADL2:55 pmAdelaide
21h 26m
1 stop
ORD7:51 pmChicago O'Hare Intl
$1,488
Find similar
United Airlines
Jan 15
ORD10:35 amChicago O'Hare Intl
30h 25m
2 stops
ADL9:30 amAdelaide
Jan 26
ADL2:55 pmAdelaide
35h 19m
2 stops
ORD9:44 amChicago O'Hare Intl
$1,493
Find similar

JetBlue flights from Chicago O'Hare Intl Airport to Adelaide

Our best JetBlue deals on Chicago O'Hare Intl Airport to Adelaide flight tickets
JetBlue
Dec 13
ORD6:50 pmChicago O'Hare Intl
29h 45m
1 stop
ADL5:05 pmAdelaide
Dec 20
ADL10:00 pmAdelaide
33h 00m
1 stop
ORD2:30 pmChicago O'Hare Intl
$3,570
Find similar
JetBlue
Jan 9
ORD6:50 pmChicago O'Hare Intl
29h 45m
1 stop
ADL5:05 pmAdelaide
Jan 24
ADL10:00 pmAdelaide
33h 00m
1 stop
ORD2:30 pmChicago O'Hare Intl
$3,622
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momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated October 30, 2025.
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

Tue 2/17

1:05 pm-4:20 pm

2 stops34h 45m

Adelaide

Mon 3/23

6:10 am-7:53 pm

2 stops29h 13m

$809

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Tue 2/17

3:40 pm-10:30 pm

2 stops38h 20m

Adelaide

Fri 2/27

6:10 am-4:38 pm

2 stops26h 58m

$811

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Tue 2/10

3:40 pm-4:25 pm

2 stops32h 15m

Adelaide

Tue 3/3

6:10 am-2:41 pm

2 stops25h 01m

$1,321

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Tue 2/10

2:00 pm-4:25 pm

3 stops33h 55m

Adelaide

Tue 3/3

6:10 am-4:38 pm

2 stops26h 58m

$1,327

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Tue 2/17

9:05 pm-9:30 am

2 stops67h 55m

Adelaide

Mon 3/23

1:55 pm-7:55 pm

1 stop21h 30m

$1,332

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Thu 1/15

9:00 am-9:30 am

1 stop32h 00m

Adelaide

Mon 1/26

2:55 pm-7:51 pm

1 stop21h 26m

$1,488

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Fri 1/9

7:58 pm-10:55 am

2 stops46h 27m

Adelaide

Sat 1/24

2:25 pm-2:50 pm

2 stops40h 55m

$1,827

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Fri 12/12

11:55 am-9:25 am

2 stops29h 00m

Adelaide

Fri 12/19

6:00 am-3:33 pm

2 stops26h 03m

$2,059

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sat 12/13

5:18 pm-6:50 pm

2 stops33h 02m

Adelaide

Sat 12/20

8:45 am-1:36 pm

2 stops45h 21m

$2,169

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Thu 11/13

2:35 pm-3:45 pm

3 stops32h 40m

Adelaide

Mon 11/17

8:00 pm-6:50 pm

2 stops39h 20m

$2,200

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 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 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 O'Hare Intl Airport 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 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 round-trip 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

Direct flights

None
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.
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  • How far is Chicago O'Hare Intl to Adelaide by plane?

    A flight from Chicago O'Hare Intl to Adelaide will travel around 9898.7 mi. In terms of flight time, this usually takes a little over 26h 56m.

  • 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 were last updated today.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Adelaide Airport?

  • 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers 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 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 license 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.

  • What is the most popular airline from Chicago O'Hare Intl Airport to Adelaide?

Best airlines flying from Chicago O'Hare Intl Airport to Adelaide

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Adelaide with momondo
Airline
Rating
Free Cancellation
Price
Qantas AirwaysPriceFrom $987Free CancellationRating
7.5
925 reviews
Search Qantas Airways flights
Air New ZealandPriceFrom $1,303Free CancellationRating
8.0
520 reviews
Search Air New Zealand flights
Fiji AirwaysPriceFrom $1,351Free CancellationRating
8.0
208 reviews
Search Fiji Airways flights
United AirlinesPriceFrom $1,885Free CancellationRating
7.4
8,998 reviews
Search United Airlines 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 enables you to select and highlight flights to Adelaide from Chicago with this policy.

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

momondo provides multiple filters to help you find the best flight to Adelaide from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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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