Cheap Flights from Chicago (ORD) to Adelaide (ADL)

  • Plan, book, fly with confidence
  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 35% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards

Cheap Flights from Chicago (ORD) to Adelaide (ADL)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
Beautiful view of the beach with palm trees

Black Friday: Members save 30%+

Members save 30%+ on selected hotels until 4 Dec (property time) with our Black Friday deals. Stay by 15 Dec 2025.
Flight from Chicago to Adelaide route information
Origin airport
O'Hare Intl.
Destination airport
Adelaide
Airlines serving
Air Canada, Air New Zealand, American Airlines, Cathay Pacific, Emirates, Qantas Airways, Qatar Airways, United
Return price
AU$1,645
Distance
15854 km

Your quick guide to flights from Chicago to Adelaide

Pick up great flights from Chicago to Adelaide

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Chicago to Adelaide. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Chicago to Adelaide that take around hours.

Find cheap flights from Chicago to Adelaide

From the great flight deals with prices currently ranging from AU$1,646 to AU$1,705, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Chicago to Adelaide around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Adelaide is normally in January.

Reasons to book your flight from Chicago to Adelaide with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Chicago to Adelaide across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Adelaide right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from O'Hare Airport to Adelaide Airport (ADL)?
The lowest price advertised for a round-trip flight from O’Hare Airport to Adelaide Airport is AU$1,646. But you better move fast. This figure is based on fares quoted within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from O'Hare Airport to Adelaide Airport (ADL)?
Every air carrier has its own terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from O'Hare Intl. Airport (ORD) to Adelaide Airport (ADL) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for O’Hare Intl. Airport (ORD) to Adelaide Airport flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from O'Hare Airport to ADL?
The distance is around 16 000 kilometres, so fill your carry-on luggage with all you need to make your journey comfortable. Wondering what to take on board your Chicago to Adelaide flight? A neck pillow, earplugs and a sleep mask are a few essentials.
Which airlines fly direct from ORD to Adelaide Airport?
If you want to travel straight from ORD to Adelaide Airport, you’ll have to book a flight with one or more stops. Unfortunately, there aren’t any airlines that fly directly on this route.
Are O'Hare Intl. Airport (ORD) to ADL flight tickets cheaper when they're purchased at the last minute?
Booking your trip from O’Hare Intl. Airport (ORD) to ADL last minute could be your ticket to a fantastic deal. However, it could end up costing a great deal more! If you’d prefer to err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains as far ahead as 12 months in advance. If your preferred carrier hasn’t released tickets yet, check back often as deals are updated all the time on Expedia.
*Available to Expedia members.