Chicago to Adelaide flights (ORD → ADL)
Looking for Chicago to Adelaide flights? Cheapest round-trip I’ve found: US$1,321 on United, 2 stop(s), departing 2027-03-01. That’s US$631 below the typical price for this route. Cheap flights from Chicago to Adelaide change daily — I re-check this route three times a day.
Deal score: Great deal — cheaper than 86% of prices I’ve seen on this route.
Best months to fly Chicago to Adelaide
| Month | Cheapest seen |
|---|---|
| November | US$1,297 |
| February | US$1,297 |
| January | US$1,298 |
| December | US$1,300 |
| March | US$1,321 |
| August | US$1,328 |
How to book this fare
I don’t sell tickets — I track prices and point you to where to look. To book Chicago to Adelaide flights:
- Search Chicago to Adelaide on Google Flights for the dates shown above (Mar 2027) — the fare I found is usually still available there.
- Compare the same dates on metasearch sites like Skyscanner or KAYAK to confirm you’re seeing the lowest price.
- Book directly with the airline when you can — it’s often the same price and makes changes or cancellations much easier.
Fares change constantly. If the price has moved, check back — I re-check this route daily.
Other Chicago to … flights
- Chicago to Perth flights — US$1,226
- Chicago to Sydney flights — US$1,377
- Chicago to Chiang Mai flights — US$883
- Chicago to Lisbon flights — US$645
- Chicago to Brisbane flights — US$1,295
- Chicago to Sao Paulo flights — US$708
- Chicago to Warsaw flights — US$685
- Chicago to Phuket flights — US$811
All flights to Adelaide · All flights from Chicago
Prices last checked: 2026-09-25, 6:12:03 a.m.. Prices are indicative and change quickly — confirm on the airline site before booking. See how I find these deals.