$532+ Cheap flights from Chicago (CHI) to Adelaide (ADL)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — ADL
Apr 16 — Apr 231
Round-trip
1 adult, Economy
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Find cheap flights from Chicago to Adelaide with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Chicago to Adelaide
Cheapest
Best
Last-minute
One-way
Cheapest flights from Chicago to AdelaideExplore the most affordable flight options available from Chicago to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.
Explore the most affordable flight options available from Chicago to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.
This Priceline deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/123:40 pm
ORD
- ADL
2 stops31h 45m
Air Canada
Sun 4/198:00 pm
ADL
- ORD
2 stops38h 45m
Air Canada
Deal found 3/15![Air Canada logo]()
$1,031
This Priceline deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/303:40 pm
ORD
- ADL
2 stops33h 45m
Air Canada
Thu 5/79:20 pm
ADL
- ORD
2 stops37h 25m
Air Canada
Deal found 3/17![Air Canada logo]()
$1,043
This Air Canada deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/273:40 pm
ORD
- ADL
2 stops29h 40m
Air Canada
Mon 5/49:20 pm
ADL
- ORD
2 stops31h 55m
Air Canada
Deal found 3/17![Air Canada logo]()
$1,130
This Air Canada deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/278:50 am
ORD
- ADL
2 stops36h 30m
Air Canada
Tue 5/58:00 pm
ADL
- ORD
2 stops33h 15m
Air Canada
Deal found 3/17![Air Canada logo]()
$1,135
This Gurufare deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/302:15 pm
ORD
- ADL
2 stops31h 05m
Multiple Airlines
Fri 8/78:00 pm
ADL
- ORD
2 stops38h 22m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$1,167
Best flights from Chicago to AdelaideDiscover carefully curated flight deals from Chicago to Adelaide that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 17, 2026.
Discover carefully curated flight deals from Chicago to Adelaide that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 17, 2026.
This Priceline deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1210:52 am
ORD
- ADL
3 stops34h 28m
Air Canada
Sun 4/198:00 pm
ADL
- ORD
2 stops38h 45m
Air Canada
Deal found 3/15![Air Canada logo]()
$1,040
This oojo deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/94:30 pm
ORD
- ADL
2 stops26h 25m
Qantas Airways
Sat 5/1612:40 pm
ADL
- ORD
2 stops42h 45m
Qantas Airways
Deal found 3/14![Qantas Airways logo]()
$1,245
This Air Canada deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/93:40 pm
ORD
- ADL
2 stops29h 00m
Multiple Airlines
Sat 5/165:15 pm
ADL
- ORD
3 stops40h 40m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$1,320
This United Airlines deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/232:40 pm
ORD
- ADL
2 stops29h 45m
United Airlines
Mon 4/279:20 pm
ADL
- ORD
2 stops32h 04m
United Airlines
Deal found 3/15![United Airlines logo]()
$1,587
This Air Canada deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/233:40 pm
ORD
- ADL
2 stops33h 45m
Air Canada
Mon 4/278:00 pm
ADL
- ORD
2 stops38h 45m
Air Canada
Deal found 3/14![Air Canada logo]()
$1,187
This Qantas Airways deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/24:30 pm
ORD
- ADL
2 stops26h 25m
Qantas Airways
Sat 5/97:45 pm
ADL
- ORD
2 stops35h 40m
Qantas Airways
Deal found 3/17![Qantas Airways logo]()
$1,358
This Qantas Airways deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/234:30 pm
ORD
- ADL
2 stops26h 25m
Qantas Airways
Mon 4/276:30 pm
ADL
- ORD
2 stops37h 41m
Qantas Airways
Deal found 3/12![Qantas Airways logo]()
$1,916
Last-minute flights from Chicago to AdelaideDiscover last-minute flight deals from Chicago to Adelaide. Data last updated March 17, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Adelaide. Data last updated March 17, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/123:40 pm
ORD
- ADL
2 stops31h 45m
Air Canada
Sun 4/198:00 pm
ADL
- ORD
2 stops38h 45m
Air Canada
Deal found 3/15![Air Canada logo]()
$1,031
This Air Canada deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/273:40 pm
ORD
- ADL
2 stops29h 40m
Air Canada
Mon 5/49:20 pm
ADL
- ORD
2 stops31h 55m
Air Canada
Deal found 3/17![Air Canada logo]()
$1,130
This Air Canada deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/278:50 am
ORD
- ADL
2 stops36h 30m
Air Canada
Tue 5/58:00 pm
ADL
- ORD
2 stops33h 15m
Air Canada
Deal found 3/17![Air Canada logo]()
$1,135
This Gotogate deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/273:40 pm
ORD
- ADL
2 stops29h 05m
Multiple Airlines
Thu 5/79:20 pm
ADL
- ORD
2 stops31h 55m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$1,173
This Priceline deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/303:40 pm
ORD
- ADL
2 stops33h 45m
Air Canada
Thu 5/79:20 pm
ADL
- ORD
2 stops37h 25m
Air Canada
Deal found 3/17![Air Canada logo]()
$1,043
One-way flights from Chicago to AdelaideSearch for one-way flight options from Chicago to Adelaide. Find affordable one-way fares based on user searches. Data last updated March 17, 2026.
Search for one-way flight options from Chicago to Adelaide. Find affordable one-way fares based on user searches. Data last updated March 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:30 pm
ORD
- ADL
2 stops30h 35m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$532
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:50 am
ORD
- ADL
2 stops38h 15m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$552
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:30 am
ORD
- ADL
3 stops44h 10m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$569
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1912:30 pm
ORD
- ADL
3 stops53h 05m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$573
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:50 am
ORD
- ADL
3 stops48h 35m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$574
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/166:50 am
ORD
- ADL
3 stops57h 40m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$594
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1412:44 pm
ORD
- ADL
3 stops37h 56m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$682
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1712:30 am
ORD
- ADL
2 stops39h 25m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$829
Find flight deals from Chicago to Adelaide
Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Adelaide (ADL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,031 (Priceline) |
One-way from | $532 (Kiwi.com) |
Popular in | September |
Cheapest in | February |
Average price | $1,595 |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated March 17, 2026.
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
Cheapest round-trip
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Sun 4/12
10:52 am-11:50 am
3 stops34h 28m
Adelaide
Sun 4/19
8:00 pm-8:15 pm
2 stops38h 45m
$1,040
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Thu 4/23
3:40 pm-3:55 pm
2 stops33h 45m
Adelaide
Mon 4/27
8:00 pm-8:15 pm
2 stops38h 45m
$1,187
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Sat 5/9
4:30 pm-9:25 am
2 stops26h 25m
Adelaide
Sat 5/16
12:40 pm-4:55 pm
2 stops42h 45m
$1,245
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Sat 5/9
3:40 pm-11:10 am
2 stops29h 00m
Adelaide
Sat 5/16
5:15 pm-7:25 pm
3 stops40h 40m
$1,320
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Sat 5/2
4:30 pm-9:25 am
2 stops26h 25m
Adelaide
Sat 5/9
7:45 pm-4:55 pm
2 stops35h 40m
$1,358
Quickest round-trip
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Thu 4/23
2:40 pm-10:55 am
2 stops29h 45m
Adelaide
Mon 4/27
9:20 pm-2:54 pm
2 stops32h 04m
$1,587
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Thu 4/23
4:30 pm-9:25 am
2 stops26h 25m
Adelaide
Mon 4/27
6:30 pm-5:41 pm
2 stops37h 41m
$1,916
Cheapest one-way
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Tue 5/5
7:30 am-6:10 pm
3 stops44h 10m
$569
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Thu 8/20
2:30 pm-5:10 pm
3 stops36h 10m
$579
ChicagoAdelaide
ORD - ADL
ORDADL
Chicago O'Hare Intl
Mon 8/17
12:30 am-6:25 am
2 stops39h 25m
$829
Showing 1-10 of 15 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on Chicago-Adelaide flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Adelaide flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Adelaide flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago-Adelaide flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Adelaide flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Chicago to Adelaide
Have a flexible travel schedule? Discover the best time to fly to Adelaide from Chicago with our price prediction graph.
CHI-ADL
ORD-ADL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Chicago to Adelaide
CHI-ADL
ORD-ADL
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Adelaide
Get insights into the airlines that provide service to Adelaide. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Adelaide. Reviews last updated March 17, 2026.
Get a feel of what it's like to fly with Air New Zealand and Qantas Airways from Chicago to Adelaide by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Boarding
8.2
Entertainment
7.4
Comfort
8.0
Crew
8.5
Food
7.4
Reviews
1 / 20
10.0
ExcellentDebra,Mar 2026
HNL - AKL
Overall
8.0
Boarding
8.2
Entertainment
7.4
Comfort
8.0
Crew
8.5
Food
7.4
Reviews
1 / 20
10.0
ExcellentDebra,Mar 2026
HNL - AKL
Overall
8.0
Boarding
8.2
Entertainment
7.4
Comfort
8.0
Crew
8.5
Food
7.4
Reviews
1 / 20
10.0
ExcellentDebra,Mar 2026
HNL - AKL
Related info for your journey
Find useful and relevant information for your journey from Chicago to Adelaide. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Adelaide?
Book flights to Adelaide if you plan to visit one of these locationsGlenelg
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Complete your trip
Complete your trip to Adelaide by adding a car rental and/or hotel reservation to your travel itinerary.
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Chicago and Adelaide flights
Browse other Chicago and Adelaide flight options. Last updated on March 17, 2026.
Other flights from Chicago
Browse through other flights departing from Chicago. Flights are based on user searches made on Cheapflights and were last updated on March 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Chicago to Adelaide
Discover the top 4 airlines that operate flights from Chicago to Adelaide. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$941 | Average$1,948 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,303 | Average$1,534 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$1,351 | Average$1,438 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,673 | Average$2,028 | FlexibilityNo cancel fee | On-time69% |