$742+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — ADL
Oct 1 — Oct 81
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
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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
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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 September 1, 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 September 1, 2026.
This lol.travel deal was found by Cheapflights users on 8/27. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/113:40 pm -
2 stops29h 00m
Sun 10/186:10 am -
2 stops29h 26m
Deal found 8/27![Air Canada logo]()
$1,234
This Air Canada deal was found by Cheapflights users on 8/28. 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 10/123:40 pm -
2 stops29h 00m
Mon 10/196:10 am -
2 stops24h 03m
Deal found 8/28![Air Canada logo]()
$1,316
This Air Canada deal was found by Cheapflights users on 8/28. 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 10/193:40 pm -
2 stops36h 15m
Mon 11/96:10 am -
2 stops24h 57m
Deal found 8/28![Air Canada logo]()
$1,322
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 September 1, 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 September 1, 2026.
This Priceline deal was found by Cheapflights users on 8/30. 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.
Mon 10/193:40 pm -
2 stops36h 15m
Mon 11/96:10 am -
2 stops24h 57m
Deal found 8/30![Air Canada logo]()
$1,322
This Travelocity deal was found by Cheapflights users on 8/30. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/192:15 pm -
3 stops30h 10m
Tue 11/106:00 am -
3 stops29h 35m
Deal found 8/30![Multiple Airlines logo]()
$1,353
This SmartFares deal was found by Cheapflights users on 8/26. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:20 pm -
1 stop29h 10m
Mon 10/267:15 am -
2 stops47h 45m
Deal found 8/26![Qatar Airways logo]()
$1,589
This oojo deal was found by Cheapflights users on 8/29. 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.
Tue 9/297:00 pm -
2 stops25h 35m
Thu 10/297:50 am -
2 stops26h 15m
Deal found 8/29![Qantas Airways logo]()
$1,910
This Justfly.com deal was found by Cheapflights users on 8/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:40 pm -
2 stops36h 15m
Tue 11/106:10 am -
2 stops24h 57m
Deal found 8/30![Air Canada logo]()
$1,322
This Priceline deal was found by Cheapflights users on 8/26. 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 10/113:40 pm -
2 stops29h 00m
Mon 10/266:10 am -
2 stops29h 21m
Deal found 8/26![Air Canada logo]()
$1,323
This Qatar Airways deal was found by Cheapflights users on 8/27. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:20 pm -
2 stops35h 40m
Sun 10/1810:00 pm -
1 stop32h 35m
Deal found 8/27![Qatar Airways logo]()
$1,796
This Qatar Airways deal was found by Cheapflights users on 8/28. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/107:20 pm -
2 stops34h 20m
Sat 10/1710:00 pm -
1 stop32h 35m
Deal found 8/28![Qatar Airways logo]()
$1,943
Last-minute flights from Chicago to AdelaideDiscover last-minute flight deals from Chicago to Adelaide. Data last updated September 1, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Adelaide. Data last updated September 1, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 8/27. 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.
Tue 9/153:40 pm -
2 stops31h 45m
Tue 9/298:00 pm -
2 stops33h 13m
Deal found 8/27![Air Canada logo]()
$1,370
This Qatar Airways deal was found by Cheapflights users on 8/27. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:20 pm -
1 stop29h 10m
Tue 9/296:50 pm -
2 stops34h 45m
Deal found 8/27![Qatar Airways logo]()
$1,660
This oojo deal was found by Cheapflights users on 8/29. 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.
Tue 9/297:00 pm -
2 stops25h 35m
Thu 10/297:50 am -
2 stops26h 15m
Deal found 8/29![Qantas Airways logo]()
$1,910
This Justfly.com deal was found by Cheapflights users on 8/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/292:15 pm -
3 stops31h 05m
Thu 10/296:10 am -
2 stops29h 21m
Deal found 8/29![Air Canada logo]()
$2,016
This Trip.com deal was found by Cheapflights users on 8/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:20 pm -
1 stop29h 10m
Thu 10/2910:00 pm -
1 stop33h 00m
Deal found 8/29![Qatar Airways logo]()
$2,029
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 September 1, 2026.
Search for one-way flight options from Chicago to Adelaide. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 9/108:25 pm -
3 stops47h 25m
Deal found 8/29![Multiple Airlines logo]()
$742
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 9/158:25 pm -
3 stops47h 25m
Deal found 8/27![Multiple Airlines logo]()
$779
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 12/307:34 pm -
2 stops55h 06m
Deal found 8/30![Multiple Airlines logo]()
$854
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 12/287:34 pm -
2 stops50h 01m
Deal found 8/30![Multiple Airlines logo]()
$875
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 12/294:10 pm -
3 stops52h 40m
Deal found 8/30![Multiple Airlines logo]()
$884
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 12/257:34 pm -
3 stops58h 06m
Deal found 8/30![Multiple Airlines logo]()
$991
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Fri 12/259:12 pm -
2 stops43h 48m
Deal found 8/26![United Airlines logo]()
$997
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 September 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,234 (lol.travel) |
One-way from | $742 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $1,696 |
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 7,457,451 searches. Data last updated September 1, 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 Chicago O'Hare Intl - ADL Adelaide
ORDADL
Chicago O'Hare Intl
Mon 10/19
3:40 pm-7:25 pm
2 stops36h 15m
Adelaide
Mon 11/9
6:10 am-2:37 pm
2 stops24h 57m
$1,322
ChicagoAdelaide
ORD Chicago O'Hare Intl - ADL Adelaide
ORDADL
Chicago O'Hare Intl
Mon 10/19
3:40 pm-7:25 pm
2 stops36h 15m
Adelaide
Tue 11/10
6:10 am-2:37 pm
2 stops24h 57m
$1,322
ChicagoAdelaide
ORD Chicago O'Hare Intl - ADL Adelaide
ORDADL
Chicago O'Hare Intl
Sun 10/11
3:40 pm-12:10 pm
2 stops29h 00m
Adelaide
Mon 10/26
6:10 am-8:01 pm
2 stops29h 21m
$1,323
ChicagoAdelaide
ORD Chicago O'Hare Intl - ADL Adelaide
ORDADL
Chicago O'Hare Intl
Mon 10/19
2:15 pm-11:55 am
3 stops30h 10m
Adelaide
Tue 11/10
6:00 am-7:05 pm
3 stops29h 35m
$1,353
ChicagoAdelaide
ORD Chicago O'Hare Intl - ADL Adelaide
ORDADL
Chicago O'Hare Intl
Sun 10/11
7:20 pm-4:00 pm
1 stop29h 10m
Adelaide
Mon 10/26
7:15 am-3:30 pm
2 stops47h 45m
$1,589
ChicagoAdelaide
ORD Chicago O'Hare Intl - ADL Adelaide
ORDADL
Chicago O'Hare Intl
Sun 10/11
7:20 pm-10:30 pm
2 stops35h 40m
Adelaide
Sun 10/18
10:00 pm-3:05 pm
1 stop32h 35m
$1,796
Quickest round-trip
ChicagoAdelaide
ORD Chicago O'Hare Intl - ADL Adelaide
ORDADL
Chicago O'Hare Intl
Tue 9/29
7:00 pm-11:05 am
2 stops25h 35m
Adelaide
Thu 10/29
7:50 am-6:35 pm
2 stops26h 15m
$1,910
ChicagoAdelaide
ORD Chicago O'Hare Intl - ADL Adelaide
ORDADL
Chicago O'Hare Intl
Sat 10/10
7:20 pm-9:10 pm
2 stops34h 20m
Adelaide
Sat 10/17
10:00 pm-3:05 pm
1 stop32h 35m
$1,943
Cheapest one-way
ChicagoAdelaide
ORD Chicago O'Hare Intl - ADL Adelaide
ORDADL
Chicago O'Hare Intl
Tue 9/15
8:25 pm-10:20 am
3 stops47h 25m
$779
ChicagoAdelaide
ORD Chicago O'Hare Intl - ADL Adelaide
ORDADL
Chicago O'Hare Intl
Thu 9/10
11:50 am-10:15 am
2 stops31h 55m
$956
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Chicago to Adelaide
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Adelaide in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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
What is the cheapest month to book a flight from Chicago to Adelaide?
Currently, June is the cheapest month in which you can book a flight from Chicago to Adelaide (average of $896). Flying from Chicago to Adelaide in January is currently the most expensive (average of $3,928). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
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 September 1, 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.
Boarding
8.2
Entertainment
7.4
Food
7.4
Comfort
7.9
Crew
8.5
Overall
8.0
Reviews
1 / 20
6.0
GoodAnonymous,Aug 2026
FLL - IAH
Boarding
8.2
Entertainment
7.4
Food
7.4
Comfort
7.9
Crew
8.5
Overall
8.0
Reviews
1 / 20
6.0
GoodAnonymous,Aug 2026
FLL - IAH
Boarding
8.2
Entertainment
7.4
Food
7.4
Comfort
7.9
Crew
8.5
Overall
8.0
Reviews
1 / 20
6.0
GoodAnonymous,Aug 2026
FLL - IAH
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Other flights to Adelaide
Explore flights to Adelaide departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 1, 2026.
Alternative routes for Chicago to Adelaide
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Adelaide by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Chicago to Adelaide by cabin class
Find flights from Chicago to Adelaide, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Chicago and Adelaide flights
Browse other Chicago and Adelaide flight options. Last updated on September 1, 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 September 1, 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 7,457,451 searches. Data last updated September 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$649 | Average$1,447 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$941 | Average$1,799 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,351 | Average$1,438 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,673 | Average$2,028 | FlexibilityNo cancel fee | On-time69% |