Best time to go: what is the RIGHT price for a round-trip flight to Perth (from: Chicago)

The average price to go to Perth from Chicago airport is $ 2065 (round trip). However, there are variations depending on the departure month. Thus, it is possible to pay for your plane ticket on average between $ 1727 (in march) and $ 2675 (in july), which is a saving of $ 338 or a surplus of $ 610 (compared to the average price) depending on the period you leave.

The analysis of all prices reveals that the most frequent price is between $1458 to $1511 and it is generally more economical to leave on a tuesday and return on a wednesday on a flight with 1 or more layovers.

Be careful, the cheapest months may correspond to unfavorable weather periods . Check out our page best time to go to Perth before booking your flight.

If you want to know when to book your flight at the best price, go straight to the second part of this page: When to buy your Chicago-Perth plane ticket.

How are these data calculated?

We have studied a sample of 5058 airfare prices from previous years for flights to Perth from Chicago and can thus establish precise and credible price variation trends based on different parameters. Of course, prices can vary from year to year, but the seasonal aspect of this data (recurrence of school holidays, events... from year to year) makes these statistics quite reliable.

Average price depending on the departure month

Created with Highcharts 8.2.2 $2184 $2184 $1744 $1744 $1727 $1727 $1788 $1788 $1857 $1857 $2178 $2178 $2675 $2675 $2177 $2177 $1900 $1900 $1998 $1998 $1913 $1913 $2639 $2639Average price of round-trip airfare in USD according to the departure monthjan.feb.mar.apr.mayjun.jul.aug.sep.oct.nov.dec.150017502000225025002750

Data analysis:

By leaving in march, the price of the plane ticket will statistically be the cheapest ($ 1727, saving $ 338 compared to the average price over the year which is $ 2065). Conversely, july will be the most expensive ($ 2675).

Flight Chicago-Perth: when is the best time to go for the best price?

Month Good price* Average price Our opinion
January$ 1815 $ 2184 fair price
February$ 1426 $ 1744 good price
March$ 1385 $ 1727 very good price
April$ 1504 $ 1788 good price
May$ 1575 $ 1857 good price
June$ 1799 $ 2178 fair price
July$ 2123 $ 2675 very high price
August$ 1694 $ 2177 fair price
September$ 1518 $ 1900 good price
October$ 1514 $ 1998 fair price
November$ 1524 $ 1913 good price
December$ 2046 $ 2639 high price

*great price to buy your plane ticket: if you see this price or cheaper during your flight search, go for it and buy it!

Price breakdown to travel from Chicago to Perth

Created with Highcharts 8.2.22%2%2%2%3%3%4%4%4%4%4%4%6%6%5%5%5%5%4%4%4%4%3%3%4%4%3%3%3%3%3%3%2%2%2%2%3%3%3%3%2%2%2%2%2%2%2%2%2%2%2%2%1%1%1%1%1%1%1%1%1%1%1%1%1%1%Percentage of plane tickets found at this price$1134 to …$1134 to $1188$1188 to $1242$1242 to $1296$1296 to $1350$1350 to $1404$1404 to $1458$1458 to $1511$1511 to $1565$1565 to $1619$1619 to $1673$1673 to $1727$1727 to $1781$1781 to $1835$1835 to $1889$1889 to $1943$1943 to $1997$1997 to $2051$2051 to $2105$2105 to $2159$2159 to $2213$2213 to $2267$2267 to $2321$2321 to $2375$2375 to $2429$2429 to $2483$2483 to $2537$2537 to $2591$2591 to $2645$2645 to $2699$2753 to $2807$2807 to $2861$2861 to $2915$2915 to $296902468

Data analysis:

The prices for flights from Chicago to Perth range from $1134 to $2969. 2% of tickets were purchased at the minimum price (from $1134 to $1188), 1% at the maximum price (from $2915 to $2969). The majority of plane tickets were purchased in the range of $1458 to $1511 (6% of tickets).

Cheapest airlines for the Chicago->Perth flight

There are 19 companies that serve Chicago from Perth airport: Qatar Airways, Cathay Pacific, Turkish Airlines, Singapore Airlines, Qantas, Etihad Airways, Emirates, United, Air New Zealand, Spirit Airlines, Frontier Airlines, Alaska Airlines, Air Canada, Malaysia Airlines, Air India, EVA Air, ANA, Japan Airlines and IndiGo.

Created with Highcharts 8.2.2Qatar Airways: 14 %Qatar Airways: 14 %Cathay Pacific: 10 %Cathay Pacific: 10 %Turkish Airlines: 9 %Turkish Airlines: 9 %Singapore Airlines: 7 %Singapore Airlines: 7 %Qantas: 7 %Qantas: 7 %Etihad Airways: 6 %Etihad Airways: 6 %Emirates: 6 %Emirates: 6 %United: 5 %United: 5 %Air New Zealand: 5 %Air New Zealand: 5 %Spirit Airlines: 5 %Spirit Airlines: 5 %

Data analysis:

Of the 5058 flights analyzed in previous years, Qatar Airways was the airline that offered the best fare most often in the flight ticket search results (14% of the time) on the Chicago->Perth route.

Which day of the week to leave?

Created with Highcharts 8.2.2 $ +44 $ +44 $ -52 $ -52 $ -156 $ -156 $ -150 $ -150 $ +83 $ +83 $ +158 $ +158 $ +61 $ +61Average airfare price according to the departure daya sundaya mondaya tuesdaya wednesdaya thursdaya fridaya saturday-200-1000100200

Data analysis:

Statistically, Chicago-Perth flights departing on a tuesday are cheaper than on other days of the week. By choosing a tuesday as your departure date, you can save an average of $156. On the other hand, departing on a friday may cost you an additional $158.

Which day of the week to come back?

Created with Highcharts 8.2.2 $ +141 $ +141 $ -144 $ -144 $ -152 $ -152 $ -186 $ -186 $ +269 $ +269 $ +11 $ +11 $ +43 $ +43Average airfare price based on the return daya sundaya mondaya tuesdaya wednesdaya thursdaya fridaya saturday-300-200-1000100200300

Data analysis:

Statistically, return flights from Perth to Chicago departing on a wednesday are cheaper than on other days of the week. By choosing a wednesday for your return date, you will save an average of $186. Conversely, departing from Perth on a thursday may cost you an additional $269.


Top prices Chicago-Perth

Round tripDatesPrice
Chicago → Perth02-04 to 09-04-2025$ 1258 
Chicago → Perth05-04 to 12-04-2025$ 1496 
Chicago → Perth06-05 to 13-05-2025$ 1148 
Chicago → Perth10-05 to 17-05-2025$ 1501 
Chicago → Perth13-05 to 20-05-2025$ 1311 
Chicago → Perth14-05 to 21-05-2025$ 1363 
Chicago → Perth15-05 to 22-05-2025$ 1322 
Chicago → Perth16-05 to 23-05-2025$ 1489 
Chicago → Perth01-11 to 09-11-2025$ 1383 
Chicago → Perth08-01 to 29-01-2026$ 1418 


When to book your flight Chicago - Perth to get the cheapest price?

Statistically, you will make the biggest savings by buying your plane ticket between 7 to 8 months in advance. However, you may end up paying a high price if you book between 0 to 1 month in advance.

Did you know: the price of plane tickets not only varies depending on how far in advance you book, but also on the day of the week you book! So, to maximize your chances of getting the best price for a Chicago-Perth flight, it is recommended to book your ticket on a sunday.

How far in advance should I buy my flight?

Created with Highcharts 8.2.2 $2258 $2258 $1918 $1918 $2047 $2047 $2047 $2047 $2137 $2137 $2048 $2048 $1926 $1926 $1911 $1911 $2109 $2109 $2045 $2045 $2042 $2042Average airfare price based on the number of months between booking and flight0 to 1 month1 to 2 months2 to 3 months3 to 4 months4 to 5 months5 to 6 months6 to 7 months7 to 8 months8 to 9 months9 to 10 months10 to 11 months180019002000210022002300

Data analysis:

To get the cheapest flight ticket from Chicago to Perth, it is recommended to buy it 7 to 8 months before departure (it is then on average 1911 $, which is a saving of 154 $ compared to the overall average price). On the other hand, if you buy your ticket 0 to 1 month in advance, you will pay the full price (193 $ more than the average price).

Depending on the departure month

The best time to buy your Chicago to Perth flight ticket may vary depending on your departure month. Therefore, we offer you statistics on when to book your flight month by month.

Departure on... How far in advance should I book?
January

Best time: 1 to 2 months before departure (average price: 2086 $)

February

Best time: 1 to 2 months before departure (average price: 1535 $)

Other interesting period(s): 2 to 3 months ($ 1581), 3 to 4 months ($ 1701)

March

Best time: 7 to 8 months before departure (average price: 1480 $)

Other interesting period(s): 1 to 2 months ($ 1583), 6 to 7 months ($ 1547)

April

Best time: 1 to 2 months before departure (average price: 1601 $)

May

Best time: 1 to 2 months before departure (average price: 1805 $)

June

Best time: 1 to 2 months before departure (average price: 2000 $)

Other interesting period(s): 2 to 3 months ($ 2147)

July

Best time: 1 to 2 months before departure (average price: 2600 $)

August

Best time: 1 to 2 months before departure (average price: 1886 $)

September

Best time: 1 to 2 months before departure (average price: 1871 $)

October-
November

Best time: 1 to 2 months before departure (average price: 1752 $)

December

Best time: 0 to 1 month before departure (average price: 2609 $)

What day of the week should I book my flight ticket?

Created with Highcharts 8.2.2 $ -50 $ -50 $ -24 $ -24 $ -5 $ -5 $ +5 $ +5 $ -4 $ -4 $ -36 $ -36 $ +130 $ +130Average price of plane ticket according to the booking daysundaymondaytuesdaywednesdaythursdayfridaysaturday-100-50050100150

Data analysis:

Statistically, sunday is the day when plane tickets for Chicago->Perth are the cheapest. So, by buying your plane ticket on a sunday, you will save $50. Conversely, by buying it on a saturday, you may end up paying $130 more.



Chicago to Perth: flight price when booking today

Information: this data is not statistics but comes from real prices collected less than 7 days ago. Some months may not be available as we do not have enough data for them.

Month Current price
April 2025$ 1718
$1496 to $1868
Find a flight
May 2025$ 1518
$1138 to $2232
Find a flight
June 2025$ 1701
$1576 to $1806
Find a flight
August 2025$ 9840
$1550 to $18129
Find a flight
September 2025$ 2101
$2101 to $2101
Find a flight
November 2025$ 1383
$1383 to $1383
Find a flight
December 2025$ 2310
$2310 to $2310
Find a flight
January 2026$ 1418
$1418 to $1418
Find a flight

Data analysis:

Compared to the average price, april, may, june, november, december and january are cheaper to travel to Perth. So it may be interesting to book now to leave during these months!



Change currency