Choose up to 4 origin airports
Enter a location to see nearby airports
Chicago to Sydney flight comparison made easy
Below you can see the best fares for your route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Chicago to Sydney by changing tabs
Quickest
Cheapest
China Eastern
13 Sep.
ORD
09:50
Chicago O'Hare Intl airport
55h 30m
3 Stops
08:20
+3
SYD
Sydney Kingsford Smith airport
20 Sep.
SYD
22:10
Sydney Kingsford Smith airport
63h 30m
3 Stops
22:40
+2
ORD
Chicago O'Hare Intl airport
1,151 AUD
China Eastern
13 Sep.
ORD
09:50
Chicago O'Hare Intl airport
55h 30m
3 Stops
08:20
+3
SYD
Sydney Kingsford Smith airport
20 Sep.
SYD
22:10
Sydney Kingsford Smith airport
63h 30m
3 Stops
22:40
+2
ORD
Chicago O'Hare Intl airport
1,151 AUD
China Eastern
16 Sep.
ORD
09:50
Chicago O'Hare Intl airport
55h 30m
3 Stops
08:20
+3
SYD
Sydney Kingsford Smith airport
23 Sep.
SYD
22:10
Sydney Kingsford Smith airport
63h 30m
2 Stops
22:40
+2
ORD
Chicago O'Hare Intl airport
1,151 AUD
Qantas Airways
14 Aug.
ORD
09:49
Chicago O'Hare Intl airport
26h 36m
2 Stops
03:25
+2
SYD
Sydney Kingsford Smith airport
21 Aug.
SYD
03:40
Sydney Kingsford Smith airport
21h 45m
1 Stop
10:25
ORD
Chicago O'Hare Intl airport
1,409 AUD
Qantas Airways
14 Aug.
ORD
09:49
Chicago O'Hare Intl airport
26h 36m
2 Stops
03:25
+2
SYD
Sydney Kingsford Smith airport
21 Aug.
SYD
03:40
Sydney Kingsford Smith airport
21h 45m
1 Stop
10:25
ORD
Chicago O'Hare Intl airport
1,409 AUD
Delta
05 Jun.
MDW
10:23
Chicago Midway airport
24h 12m
2 Stops
01:35
+2
SYD
Sydney Kingsford Smith airport
10 Jun.
SYD
19:25
Sydney Kingsford Smith airport
24h 59m
2 Stops
05:24
+1
MDW
Chicago Midway airport
1,450 AUD
How to get the cheapest flight from Chicago to Sydney
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight for your trip
CHEAPEST MONTH TO FLY
February
The cheapest time of year to fly to Sydney from Chicago is February. The most expensive is July.
CHEAPEST DAY TO FLY
Thursday
The cheapest day of the week is usually Thursday. The most expensive is usually Friday.
CHEAPEST TIME TO FLY
in the morning
Chicago to Sydney flights are approximately 60% more expensive in the evening than in the morning
CHEAPEST AIRLINE
Spirit Airlines
Spirit Airlines, Alaska Airlines, and Fiji Airways are the most popular carriers operating from Chicago to Sydney
CHEAPEST ROUTE
Chicago O'Hare Intl - Sydney Kingsford Smith
Fly from Chicago O'Hare Intl to Sydney Kingsford Smith for the best Chicago - Sydney flight prices
CHEAPEST TIME TO BOOK
44 days before
The cheapest time to buy a flight from Chicago to Sydney is approximately 44 days before departure
60
Days before departure
0
Flight information for Chicago to Sydney
Find info about flight duration, direct flights, and airports for your flight from Chicago to Sydney
Fastest flight time
21h 48m
The fastest flight from Chicago to Sydney takes 21h 48m.
Direct flights
None
There are no direct flights from Chicago to Sydney. Popular non-direct routes for this connection are Chicago O'Hare Intl - Sydney Kingsford Smith and Chicago Midway - Sydney Kingsford Smith.
Airports in Sydney
1 airport
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)
Flights from Chicago to:
-
Sydney Kingsford Smith
-
New South Wales
- Australia
-
South Pacific
Flights to Sydney from:
-
Chicago
-
Illinois
- United States
- North America
Flights to other cities in Australia
Lost the lust for Sydney? Check out some flights to other cities in Australia
Flights to other destinations
Lost the lust for Sydney? Check out some flights to other destinations
*Flight prices to Sydney are based on prices for economy tickets found by momondo users during searches within the last 72 hours. These prices may no longer be available.