Chicago (ORD) → Sydney (SYD)
About Chicago to Sydney Flights
Discover the best flights from Chicago to Sydney, covering 14,862 km in approximately 19h 5m. Chicago (ORD) to Sydney (SYD) is one of the major long-haul routes connecting United States and Australia. With 7 major airlines operating this route, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Chicago to Sydney.
12-Month Price History
Flight prices from Chicago to Sydney vary significantly throughout the year. February typically offers the best deals with average prices around $2546, while July sees the highest prices, averaging $4247. Savvy travelers can save up to 40% by choosing their travel dates wisely.
Best Time to Fly
Cheapest Month
February
Save up to 40% on average
Most Expensive
July
Peak season pricing
Book in Advance
101 days
For best prices
Booking Tips
For the best prices on Chicago to Sydney flights, we recommend booking 132 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.
Airlines Serving This Route
| Airline | Economy | Business | First |
|---|---|---|---|
Jetstar Airways JQ | $3520 | $13730 | $25600 |
Kalitta Air K4 | $3690 | $14970 | $19860 |
SkyWest Airlines OO | $3720 | $12990 | $22920 |
Virgin Australia VA | $3850 | $15760 | $24170 |
United Airlines UA | $3890 | $15860 | $24870 |
Qantas QF | $3920 | $13680 | $21950 |
American Airlines AA | $4310 | $14000 | $19160 |
Jetstar Airways
JQ
Economy
$3520
Business
$13730
First
$25600
Kalitta Air
K4
Economy
$3690
Business
$14970
First
$19860
SkyWest Airlines
OO
Economy
$3720
Business
$12990
First
$22920
Virgin Australia
VA
Economy
$3850
Business
$15760
First
$24170
United Airlines
UA
Economy
$3890
Business
$15860
First
$24870
Qantas
QF
Economy
$3920
Business
$13680
First
$21950
American Airlines
AA
Economy
$4310
Business
$14000
First
$19160
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
Alternative Flight Options
Milwaukee → Sydney
Milwaukee Mitchell International (MKE) to Sydney Kingsford Smith (SYD)
Distance: 14,881 km
Average price: $3032
Chicago → Sydney
Chicago Midway International (MDW) to Sydney Kingsford Smith (SYD)
Distance: 14,871 km
Average price: $3030
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Frequently Asked Questions
How long is the flight from Chicago to Sydney?
The flight time from Chicago (ORD) to Sydney (SYD) is approximately 19 hours and 5 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.
What is the distance between Chicago and Sydney?
The aerial distance between Chicago and Sydney is 14,862 kilometers (9,235 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from Chicago to Sydney?
Several airlines operate flights between Chicago and Sydney, including American Airlines, United Airlines, Qantas and 4 more airlines. Most flights on this route include one or more stops.
What is the cheapest month to fly from Chicago to Sydney?
Based on historical data, February typically offers the lowest airfares for flights from Chicago to Sydney. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.
How far in advance should I book my flight to Sydney?
For the best prices on Chicago to Sydney flights, we recommend booking 155 days in advance. International flights generally require earlier booking than domestic routes.
Do I need a visa to travel from Chicago to Sydney?
Visa requirements depend on your nationality and the purpose of your visit. Citizens of United States traveling to Australia should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.
What is the time difference between Chicago and Sydney?
Chicago operates on America/Chicago time zone, while Sydney is in the Australia/Sydney time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.