The cheapest times to fly from ORD to PER are

  • January 15th to March 11th
  • August 6th to December 9th

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 PER is mid February. Prices can be as high as $2495 for Friday flights during mid December, or as low as $1271 for Tuesday flights around mid February.


When to Fly to Perth

Flying from Chicago, IL (ORD) to Perth (PER) will usually cost between $1306 to $2017 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid February with an average ticket price of $1337. Due to high demand the most expensive time to fly is mid December, with an average price of $2304. Planning your trip to low-cost times can easily save you $967 on economy flights and even more on first-class flights. Generally, any price below $1487 can be considered a good price for a round-trip ORD to PER flight.

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

ORD to PER Flight Prices

Compared to other flights, the ORD to PER 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 $0.08, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to PER, and Wednesday the cheapest day to fly back into ORD. Fridays are the most expensive days to fly to Perth, and Saturdays are the most expensive days to return to Chicago. Selecting flights on the least expensive days could save you up to $132 (8%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $1485. Return trip prices are from the PER 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 PER can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 20 hour 42 minutes may not be realistic.


Flight Hacking ORD to PER

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 PER — but Champion Traveler does!

Hack #1: Kuala Lumpur (ORD > KUL > PER)

  • Price for both tickets: $1037
  • Average savings: $450 (30.24%)

See ORD to KUL flights

Hack #2: Singapore (ORD > SIN > PER)

  • Price for both tickets: $1114
  • Average savings: $373 (25.06%)

See ORD to SIN flights

Hack #3: Denpasar (ORD > DPS > PER)

  • Price for both tickets: $1125
  • Average savings: $362 (24.32%)

See ORD to DPS flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 26 major airlines flying this route most often: Air Canada, Air New Zealand, Alaska, American, ANA, Asiana, Austrian, Cathay Pacific, China Eastern, China Southern, Delta, Emirates, Etihad, Fiji Airways, Finnair, JAL, Lufthansa, Malaysia Airlines, Qantas, Qatar Airways, Singapore Airlines, SWISS, THAI, Turkish Airlines, United, Virgin Australia, and potentially more during busy seasons.

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

The distance between the two airports is roughly 10952 miles or 17625 kilometers.

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

The real-world flight time for a nonstop ORD to PER flight is about 20 hour 42 minutes.

How many flights go between Chicago, IL and Perth?

It depends on the day of the week and the date, but a typical day might have around 76 available flights from ORD to PER.


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 PER
Destination airport name Perth International Airport
City Perth
Country Australia
Latitude -31.9
Longitude 116


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.