$733+ Cheap flights from O'Hare Intl (ORD) to Adelaide (ADL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ADL
Oct 15 — Oct 221
Round-trip
1 adult, Economy
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Find cheap flights from O'Hare Intl 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 O'Hare Intl to Adelaide
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Cheapest flights from O'Hare Intl to AdelaideExplore the most affordable flight options available from O'Hare Intl to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
Explore the most affordable flight options available from O'Hare Intl to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
This Air Canada deal was found by Cheapflights users on 9/14. 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 10/293:30 pm -
2 stops29h 35m
Thu 11/56:10 am -
2 stops30h 19m
Deal found 9/14![Multiple Airlines logo]()
$1,394
This Air Canada deal was found by Cheapflights users on 9/14. 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 10/2912:50 pm -
3 stops33h 35m
Thu 11/56:10 am -
2 stops30h 19m
Deal found 9/14![Air Canada logo]()
$1,406
This Qatar Airways deal was found by Cheapflights users on 9/12. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:20 pm -
2 stops36h 15m
Sun 10/410:00 pm -
1 stop32h 35m
Deal found 9/12![Qatar Airways logo]()
$1,564
This Priceline deal was found by Cheapflights users on 9/11. 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 9/177:20 pm -
2 stops36h 15m
Tue 9/2910:00 pm -
1 stop31h 35m
Deal found 9/11![Qatar Airways logo]()
$1,565
This oojo deal was found by Cheapflights users on 9/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:09 pm -
2 stops48h 16m
Sun 10/46:00 am -
2 stops30h 10m
Deal found 9/12![Air New Zealand logo]()
$1,596
This oojo deal was found by Cheapflights users on 9/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:09 pm -
2 stops48h 16m
Mon 10/127:10 pm -
2 stops37h 01m
Deal found 9/12![Air New Zealand logo]()
$1,599
This oojo deal was found by Cheapflights users on 9/14. 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.
Thu 10/297:50 pm -
2 stops44h 40m
Thu 11/510:00 pm -
1 stop33h 00m
Deal found 9/14![Qatar Airways logo]()
$1,631
This American Airlines deal was found by Cheapflights users on 9/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:50 pm -
2 stops25h 05m
Mon 9/281:25 pm -
2 stops24h 35m
Deal found 9/13![American Airlines logo]()
$1,852
This Trip.com deal was found by Cheapflights users on 9/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:30 am -
3 stops38h 55m
Sun 10/411:50 am -
3 stops37h 00m
Deal found 9/12![Multiple Airlines logo]()
$1,876
This Orbitz deal was found by Cheapflights users on 9/13. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:40 pm -
2 stops31h 45m
Mon 9/288:00 pm -
3 stops38h 18m
Deal found 9/13![Multiple Airlines logo]()
$1,936
Best flights from O'Hare Intl to AdelaideDiscover carefully curated flight deals from O'Hare Intl to Adelaide that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
Discover carefully curated flight deals from O'Hare Intl to Adelaide that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
This Air Canada deal was found by Cheapflights users on 9/14. 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 10/293:30 pm -
2 stops29h 35m
Thu 11/56:10 am -
2 stops30h 19m
Deal found 9/14![Multiple Airlines logo]()
$1,394
This Air Canada deal was found by Cheapflights users on 9/14. 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 10/2912:50 pm -
3 stops33h 35m
Thu 11/56:10 am -
2 stops30h 19m
Deal found 9/14![Air Canada logo]()
$1,406
This Qatar Airways deal was found by Cheapflights users on 9/12. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:20 pm -
2 stops36h 15m
Sun 10/410:00 pm -
1 stop32h 35m
Deal found 9/12![Qatar Airways logo]()
$1,564
This oojo deal was found by Cheapflights users on 9/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:09 pm -
2 stops48h 16m
Sun 10/46:00 am -
2 stops30h 10m
Deal found 9/12![Air New Zealand logo]()
$1,596
This oojo deal was found by Cheapflights users on 9/14. 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.
Thu 10/297:50 pm -
2 stops44h 40m
Thu 11/510:00 pm -
1 stop33h 00m
Deal found 9/14![Qatar Airways logo]()
$1,631
This Expedia deal was found by Cheapflights users on 9/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/199:18 pm -
3 stops48h 02m
Sun 10/46:00 am -
2 stops24h 13m
Deal found 9/12![Multiple Airlines logo]()
$2,046
This oojo deal was found by Cheapflights users on 9/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:20 pm -
1 stop29h 10m
Mon 10/125:50 pm -
2 stops36h 45m
Deal found 9/12![Multiple Airlines logo]()
$2,053
Last-minute flights from O'Hare Intl to AdelaideDiscover last-minute flight deals from O'Hare Intl to Adelaide. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Adelaide. Data last updated September 15, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 9/11. 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 9/177:20 pm -
2 stops36h 15m
Tue 9/2910:00 pm -
1 stop31h 35m
Deal found 9/11![Qatar Airways logo]()
$1,565
This American Airlines deal was found by Cheapflights users on 9/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:50 pm -
2 stops25h 05m
Mon 9/281:25 pm -
2 stops24h 35m
Deal found 9/13![American Airlines logo]()
$1,852
This Orbitz deal was found by Cheapflights users on 9/13. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:40 pm -
2 stops31h 45m
Mon 9/288:00 pm -
3 stops38h 18m
Deal found 9/13![Multiple Airlines logo]()
$1,936
This Qatar Airways deal was found by Cheapflights users on 9/12. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:20 pm -
2 stops36h 15m
Sun 10/410:00 pm -
1 stop32h 35m
Deal found 9/12![Qatar Airways logo]()
$1,564
This oojo deal was found by Cheapflights users on 9/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:09 pm -
2 stops48h 16m
Sun 10/46:00 am -
2 stops30h 10m
Deal found 9/12![Air New Zealand logo]()
$1,596
This oojo deal was found by Cheapflights users on 9/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:09 pm -
2 stops48h 16m
Mon 10/127:10 pm -
2 stops37h 01m
Deal found 9/12![Air New Zealand logo]()
$1,599
This Trip.com deal was found by Cheapflights users on 9/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:30 am -
3 stops38h 55m
Sun 10/411:50 am -
3 stops37h 00m
Deal found 9/12![Multiple Airlines logo]()
$1,876
This Air Canada deal was found by Cheapflights users on 9/14. 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 10/293:30 pm -
2 stops29h 35m
Thu 11/56:10 am -
2 stops30h 19m
Deal found 9/14![Multiple Airlines logo]()
$1,394
This Air Canada deal was found by Cheapflights users on 9/14. 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 10/2912:50 pm -
3 stops33h 35m
Thu 11/56:10 am -
2 stops30h 19m
Deal found 9/14![Air Canada logo]()
$1,406
This oojo deal was found by Cheapflights users on 9/14. 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.
Thu 10/297:50 pm -
2 stops44h 40m
Thu 11/510:00 pm -
1 stop33h 00m
Deal found 9/14![Qatar Airways logo]()
$1,631
One-way flights from O'Hare Intl to AdelaideSearch for one-way flight options from O'Hare Intl to Adelaide. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
Search for one-way flight options from O'Hare Intl to Adelaide. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 3/42:10 pm -
3 stops50h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$733
This SmartFares deal was found by Cheapflights users on 9/10. 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.
Thu 3/46:50 pm -
1 stop29h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Qatar Airways logo]()
$1,152
Find flight deals from O'Hare Intl to Adelaide
Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) 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 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,330 (Air Canada) |
One-way from | $733 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $1,696 |
Cheapflights Fare Finder
Customize your flight search to find flights from O'Hare Intl 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 15, 2026.
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
Cheapest round-trip
ChicagoAdelaide
ORD Chicago O'Hare Intl - ADL Adelaide
ORDADL
Chicago O'Hare Intl
Thu 3/4
2:10 pm-9:35 am
3 stops50h 55m
Adelaide
Wed 12/31
12:00 am-8:30 am
Nonstop0h 00m
$733
Quickest round-trip
ChicagoAdelaide
ORD Chicago O'Hare Intl - ADL Adelaide
ORDADL
Chicago O'Hare Intl
Thu 3/4
6:50 pm-5:05 pm
1 stop29h 45m
Adelaide
Wed 12/31
12:00 am-8:30 am
Nonstop0h 00m
$1,152
ChicagoAdelaide
ORD Chicago O'Hare Intl - ADL Adelaide
ORDADL
Chicago O'Hare Intl
Thu 10/29
3:30 pm-12:35 pm
2 stops29h 35m
Adelaide
Thu 11/5
6:10 am-7:59 pm
2 stops30h 19m
$1,394
ChicagoAdelaide
ORD Chicago O'Hare Intl - ADL Adelaide
ORDADL
Chicago O'Hare Intl
Thu 10/29
12:50 pm-1:55 pm
3 stops33h 35m
Adelaide
Thu 11/5
6:10 am-7:59 pm
2 stops30h 19m
$1,406
ChicagoAdelaide
ORD Chicago O'Hare Intl - ADL Adelaide
ORDADL
Chicago O'Hare Intl
Sat 9/19
7:20 pm-10:05 pm
2 stops36h 15m
Adelaide
Sun 10/4
10:00 pm-3:05 pm
1 stop32h 35m
$1,564
ChicagoAdelaide
ORD Chicago O'Hare Intl - ADL Adelaide
ORDADL
Chicago O'Hare Intl
Sat 9/19
8:09 pm-10:55 am
2 stops48h 16m
Adelaide
Sun 10/4
6:00 am-8:40 pm
2 stops30h 10m
$1,596
ChicagoAdelaide
ORD Chicago O'Hare Intl - ADL Adelaide
ORDADL
Chicago O'Hare Intl
Thu 10/29
7:50 pm-8:00 am
2 stops44h 40m
Adelaide
Thu 11/5
10:00 pm-2:30 pm
1 stop33h 00m
$1,631
ChicagoAdelaide
ORD Chicago O'Hare Intl - ADL Adelaide
ORDADL
Chicago O'Hare Intl
Sat 9/19
9:18 pm-11:50 am
3 stops48h 02m
Adelaide
Sun 10/4
6:00 am-2:43 pm
2 stops24h 13m
$2,046
ChicagoAdelaide
ORD Chicago O'Hare Intl - ADL Adelaide
ORDADL
Chicago O'Hare Intl
Sat 9/19
7:20 pm-3:00 pm
1 stop29h 10m
Adelaide
Mon 10/12
5:50 pm-3:05 pm
2 stops36h 45m
$2,053
Sorted by cheapest first
Compare providers for flights from O'Hare Intl 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 O'Hare Intl to Adelaide in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Adelaide flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Adelaide flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Adelaide flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-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 O'Hare Intl Airport-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 O'Hare Intl to Adelaide
Have a flexible travel schedule? Discover the best time to fly to Adelaide from O'Hare Intl with our price prediction graph.
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.
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 15, 2026.
Read through reviews of airlines operating flights from Chicago O'Hare Intl Airport to Adelaide, such as Qantas Airways and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.4
Boarding
7.7
Entertainment
7.2
Food
7.0
Overall
7.5
Crew
8.1
Reviews
1 / 20
4.0
OkayRobyn,Aug 2026
LAX - SYD
Comfort
7.4
Boarding
7.7
Entertainment
7.2
Food
7.0
Overall
7.5
Crew
8.1
Reviews
1 / 20
4.0
OkayRobyn,Aug 2026
LAX - SYD
Comfort
7.4
Boarding
7.7
Entertainment
7.2
Food
7.0
Overall
7.5
Crew
8.1
Reviews
1 / 20
4.0
OkayRobyn,Aug 2026
LAX - SYD
Related info for your journey
Find useful and relevant information for your journey from O'Hare Intl to Adelaide. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Explore flights to Adelaide departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 15, 2026.
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Find flights from O'Hare Intl to Adelaide, based on your preferred cabin class, be it economy, premium economy, business, or first class.
O'Hare Intl and Adelaide flights
Browse other O'Hare Intl and Adelaide flight options. Last updated on September 15, 2026.
Other flights from O'Hare Intl
Browse through other flights departing from O'Hare Intl. Flights are based on user searches made on Cheapflights and were last updated on September 15, 2026.
Popular flight searches
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Top 2 airlines flying from O'Hare Intl to Adelaide
Discover the top 2 airlines that operate flights from O'Hare Intl 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 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$941 | Average$1,799 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,673 | Average$2,028 | FlexibilityNo cancel fee | On-time69% |