The cheapest times to fly from ORD to ADL are

  • January 29th to April 8th (except the weeks of March 12th and March 26th)
  • July 30th to December 9th (except the week of November 19th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from ORD to ADL is mid to late September. Prices can be as high as $2958 for Saturday flights during late December, or as low as $1209 for Wednesday flights around mid to late September.


When to Fly to Adelaide

Flying from Chicago, IL (ORD) to Adelaide (ADL) will usually cost between $1271 to $2295 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid to late September with an average ticket price of $1286. Due to high demand the most expensive time to fly is late December, with an average price of $2585. Planning your trip to low-cost times can easily save you $1299 on economy flights and even more on first-class flights. Generally, any price below $1472 can be considered a good price for a round-trip ORD to ADL flight.

See below for a graph of average weekly prices for the ORD to ADL route. All prices are for round-trip tickets in USD.

ORD to ADL Flight Prices

Compared to other flights, the ORD to ADL flight is slightly more expensive than the average and costs slightly more than the average flight leaving from Chicago. The average price per mile (for a direct flight) is $0.09, which is far below average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to depart and return on this flight. Saturdays are the most expensive days to fly to Adelaide, and Thursdays are the most expensive days to return to Chicago. Selecting flights on the least expensive days could save you up to $178 (11%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $1487. Return trip prices are from the ADL to ORD flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from ORD to ADL can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 18 hour 49 minutes may not be realistic.


Flight Hacking ORD to ADL

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from ORD to ADL — but Champion Traveler does!

Hack #1: Denpasar (ORD > DPS > ADL)

  • Price for both tickets: $1293
  • Average savings: $180 (12.19%)

See ORD to DPS flights

Hack #2: Los Angeles, CA (ORD > LAX > ADL)

  • Price for both tickets: $1308
  • Average savings: $164 (11.14%)

See ORD to LAX flights

Hack #3: Singapore (ORD > SIN > ADL)

  • Price for both tickets: $1317
  • Average savings: $155 (10.53%)

See ORD to SIN flights


Flight Questions Answered

Still have questions about flying from ORD to ADL? We’ve got answers.

Which airlines fly this route?

You can find 17 major airlines flying this route most often: Air Canada, Air New Zealand, Alaska, American, ANA, Cathay Pacific, China Eastern, China Southern, Delta, Emirates, Etihad, Fiji Airways, Qantas, Qatar Airways, Singapore Airlines, United, Virgin Australia, and potentially more during busy seasons.

How far away is it from Adelaide International Airport to Chicago O’Hare International Airport?

The distance between the two airports is roughly 9908 miles or 15945 kilometers.

How long does it take to fly from ORD to ADL?

The real-world flight time for a nonstop ORD to ADL flight is about 18 hour 49 minutes.

How many flights go between Chicago, IL and Adelaide?

It depends on the day of the week and the date, but a typical day might have around 84 available flights from ORD to ADL.


Airport Location Info


Departing Airport

Origination code ORD
Origination airport name Chicago O’Hare International Airport
City Chicago, IL
Country the United States
Latitude 42
Longitude -87.9

Return Airport

Destination code ADL
Destination airport name Adelaide International Airport
City Adelaide
Country Australia
Latitude -34.9
Longitude 138.5


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.