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Cheap Flights from Chicago O'Hare International to Adelaide

Compare Chicago O'Hare International to Adelaide flight deals

Find the cheapest month or even day of the year to fly to Adelaide

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Flight deals from Chicago O'Hare International to Adelaide

Looking for a cheap last-minute deal or the best return flight from Chicago O'Hare International Airport to Adelaide Airport? If you want to travel next month, return fares start from R 23,714. Find the lowest prices on one-way and return tickets right here.
Adelaide.R 12,178 per passenger.Departing Fri, 7 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Fri, 7 Aug, arriving in Adelaide.Price includes taxes and charges.From R 12,178, select.
Adelaide.R 13,511 per passenger.Departing Thu, 30 Jul.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Thu, 30 Jul, arriving in Adelaide.Price includes taxes and charges.From R 13,511, select.
Adelaide.R 13,686 per passenger.Departing Fri, 26 Feb.One-way flight with Philippine Airlines.Outbound indirect flight with Philippine Airlines, departs from Chicago O'Hare International on Fri, 26 Feb, arriving in Adelaide.Price includes taxes and charges.From R 13,686, select.
Adelaide.R 13,920 per passenger.Departing Thu, 24 Sep.One-way flight with Cathay Pacific.Outbound indirect flight with Cathay Pacific, departs from Chicago O'Hare International on Thu, 24 Sep, arriving in Adelaide.Price includes taxes and charges.From R 13,920, select.
Adelaide.R 14,676 per passenger.Departing Sat, 12 Dec.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Chicago O'Hare International on Sat, 12 Dec, arriving in Adelaide.Price includes taxes and charges.From R 14,676, select.
Adelaide.R 20,099 per passenger.Departing Sun, 3 Jan.One-way flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Chicago O'Hare International on Sun, 3 Jan, arriving in Adelaide.Price includes taxes and charges.From R 20,099, select.
Adelaide.R 21,252 per passenger.Departing Tue, 3 Nov.One-way flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Chicago O'Hare International on Tue, 3 Nov, arriving in Adelaide.Price includes taxes and charges.From R 21,252, select.
Adelaide.R 22,514 per passenger.Departing Mon, 12 Oct.One-way flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Chicago O'Hare International on Mon, 12 Oct, arriving in Adelaide.Price includes taxes and charges.From R 22,514, select.
Adelaide.R 29,439 per passenger.Departing Mon, 7 Jun.One-way flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Chicago O'Hare International on Mon, 7 Jun, arriving in Adelaide.Price includes taxes and charges.From R 29,439, select.

Find the cheapest month to fly from Chicago O'Hare International to Adelaide

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago O'Hare International to Adelaide flights are currently cheapest in August.
Jul
from R 13,511
Aug
from R 12,178
Sep
from R 13,920
Oct
from R 22,514
Nov
from R 21,252
Dec
from R 14,676
Jan
from R 20,099
Feb
from R 13,686
Mar
Find prices
Apr
Find prices
May
Find prices
Jun
from R 29,439

Chicago O'Hare International to Adelaide: Alternative routes

Compare routes from Chicago O'Hare International to Adelaide below. You may find an airport to fly into that's cheaper, faster, or easier than Adelaide.

Adelaide

6km from central Adelaide
ClosestCheapest
from R 12,178
Search flights

Chicago to Adelaide: Flight information

The things to know before you go.
Cheapest flight foundR 12,178
Cheapest month to flyAugust

Finding cheap flights from Chicago O'Hare International to Adelaide: Frequently asked questions

The best price we found for a return flight from Chicago O'Hare International to Adelaide is R 23,714. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Chicago O'Hare International to Adelaide. But we found flights with one or more stops from R 23,714.
As of July 2026, there are no flights flying from Chicago O'Hare International to Adelaide.
The cheapest month to fly from Chicago O'Hare International to Adelaide is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chicago O'Hare International Airport to Adelaide Airport on Monday, 10 August 2026.
No airlines currently offer direct flights between Chicago O'Hare International Airport and Adelaide Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Adelaide but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Adelaide is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Frontier Airlines offers the cheapest flight tickets to Adelaide.

Travelling from Chicago O'Hare International Airport (ORD) to Adelaide Airport (ADL): what you need to know

  • Adelaide is 16 hours 30 minutes ahead of Chicago and is in the UTC+10:30 timezone.

  • Your ORD to ADL flight won't wait if you're late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • Be prepared for bigger queues during popular months like July. Arriving up to four hours ahead of an international flight and two hours for domestic departures is a smart move.

  • Pick a stopover if you'd love to break up your flight. Just uncheck 'Direct flights only' to see the options for tickets from Chicago O'Hare International Airport to Adelaide Airport. Dubai Airport is a popular stopover on the ORD to ADL route.

How to find the cheapest flights from Chicago O'Hare International Airport (ORD) to Adelaide Airport (ADL)

  • The cheapest price we've seen for a one-way Chicago O'Hare International Airport to Adelaide Airport flight is R 12,178. A round-trip plane ticket right now is R 23,714. Depending on the availability when you book, these fares could change.

  • It's usually best to book in advance if you want to find cheap tickets from ORD to ADL. That's because flight prices are based on demand, which tends to increase closer to departure.

  • Finding cheap flights from Chicago O'Hare International Airport to Adelaide Airport is more likely if you're flexible with your travel dates. Use the 'Whole month' tool to see the lowest fares throughout the month and snap up a great deal.

  • There's no need to check every day to find out if fares have gone down when you create a Price Alert. We'll send you an update as soon as a special offer becomes available on cheap flights from ORD to ADL.

  • Choose your ideal arrival and departure times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to see the best deals on flights from Chicago O'Hare International Airport to Adelaide Airport.

Handy information about Chicago O'Hare International Airport (ORD)

  • ORD is located at 10000 West O'Hare.

  • 70% of flights taking off from Chicago O'Hare International Airport make it to their destination on schedule.

  • Central Chicago to Chicago O'Hare International Airport is approximately 27 kilometres. Depending on traffic, it'll take you about 30 minutes to get there if you're ride-sharing, catching a taxi or driving.

  • Planning to catch public transport? Expect a trip time of around 45 minutes.

  • Catching an early flight from Chicago O'Hare International Airport to Adelaide Airport? Avoid the stress of rushing to the airport (and sneak in some extra snooze time) by choosing one of these stays close to ORD:

Arriving at Adelaide Airport (ADL)

  • If you're getting in on a late Chicago O'Hare International Airport to Adelaide Airport flight, nothing tops the convenience of staying near the terminal. Grab your suitcases from the carousel and then be showered and snoozing shortly after at one of these accommodation options near ADL:

  • Fast-track your adventure by picking up a Adelaide Airport rental car. Grab your wheels from Bargain Car Rentals, simba car rental or East Coast to explore Adelaide and beyond.

  • For the lowest price, reserve your ride from Adelaide Airport around one week before your trip.

Getting from Adelaide Airport (ADL) to central Adelaide

  • From Adelaide Airport, Adelaide is approximately 6 kilometres away. It takes around 20 minutes to drive to the centre.

  • Travelling by public transport typically takes 35 minutes.

When to fly to Adelaide Airport (ADL)

  • The quietest month for a flight from Chicago O'Hare International Airport to Adelaide Airport is March, while December is the busiest. Choose the ideal time to go to Adelaide based on whether you prefer a more fast-paced or easygoing experience.

  • The warmest month in Adelaide is January, with the temperature ranging between 15ºC (59ºF) and 30ºC (86ºF). Book your flights from Chicago O'Hare International Airport to Adelaide Airport in this month if you enjoy this type of weather.

  • July sees average temperatures of between 7ºC (45ºF) and 14ºC (57ºF). Look for cheap tickets from ORD to ADL around that time if you like travelling in cooler conditions.

Plan the rest of your trip from Chicago to Adelaide

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.