Cheap Flights from Chicago, IL to Sydney from $394
On Cheapflightsplus.com you will find 791 connecting flights from Chicago to Sydney. You can compare airfare deals from 41 airlines and multiple travel sites from $394, book and save on cheap plane tickets and last minute offers. Also check out CHI-SYD flight schedule to find best flight time, convenient departure and arrival airports.
Find One-Way and Round-Trip Chicago to Sydney Flight Deals
Best Flights from Chicago to Sydney Today
Price | Departure | Arrival | Flight Duration | Airline | Flight |
---|---|---|---|---|---|
from $456 | 08:00 Chicago O'Hare International | 07:30+2 дня Sydney Kingsford Smith | 31h 30m layover 11h 44m - Los Angeles | Spirit Airlines | NK3016 QF12 |
from $456 | 06:45 Chicago O'Hare International | 07:30+2 дня Sydney Kingsford Smith | 32h 45m layover 13h 3m - Los Angeles | Spirit Airlines | NK467 QF12 |
from $489 | 06:10 Chicago O'Hare International | 07:30+2 дня Sydney Kingsford Smith | 34h 20m layover 14h 31m - Los Angeles | Frontier Airlines | F92445 QF12 |
from $537 | 17:45 Chicago O'Hare International | 20:15+2 дня Sydney Kingsford Smith | 34h 30m layover 11h 20m - Tokyo | All Nippon Airways | NH111 NH889 |
from $394 | 09:55 Chicago O'Hare International | 11:45+2 дня Sydney Kingsford Smith | 34h 50m layover 10h 13m - Dallas 4h 0m - Nadi | Frontier Airlines | F93243 FJ891 FJ911 |
from $394 | 08:05 Chicago Midway | 11:45+2 дня Sydney Kingsford Smith | 36h 40m layover 12h 18m - Dallas 4h 0m - Nadi | Frontier Airlines | F91887 FJ891 FJ911 |
from $406 | 08:00 Chicago O'Hare International | 12:45+2 дня Sydney Kingsford Smith | 36h 45m layover 13h 29m - Los Angeles 3h 15m - Nadi | Spirit Airlines | NK3016 FJ811 FJ911 |
from $406 | 06:45 Chicago O'Hare International | 12:45+2 дня Sydney Kingsford Smith | 38h 0m layover 14h 48m - Los Angeles 3h 15m - Nadi | Spirit Airlines | NK467 FJ811 FJ911 |
from $417 | 18:22 Chicago O'Hare International | 11:45+2 дня Sydney Kingsford Smith | 26h 23m layover 3h 0m - Los Angeles 3h 15m - Nadi | Spirit Airlines | NK1117 FJ811 FJ911 |
from $455 | 19:18 Chicago O'Hare International | 11:45+3 дня Sydney Kingsford Smith | 49h 27m layover 24h 49m - San Francisco 3h 40m - Nadi | Alaska Airlines | AS597 FJ871 FJ911 |
from $477 | 07:42 Chicago O'Hare International | 07:20+2 дня Sydney Kingsford Smith | 32h 38m layover 2h 11m - Los Angeles 7h 27m - Vancouver | Spirit Airlines | NK2544 AC555 AC33 |
from $478 | 23:45 Chicago O'Hare International | 09:45+3 дня Sydney Kingsford Smith | 43h 0m layover 8h 30m - Istanbul 4h 15m - Manila | Turkish Airlines | TK156 TK84 5J39 |
from $483 | 15:21 Chicago O'Hare International | 07:30+2 дня Sydney Kingsford Smith | 25h 9m layover 1h 31m - Las Vegas 3h 2m - Los Angeles | Spirit Airlines | NK188 NK1495 QF12 |
from $491 | 20:53 Chicago O'Hare International | 07:30+3 дня Sydney Kingsford Smith | 42h 37m layover 6h 5m - Houston 15h 4m - Los Angeles | Spirit Airlines | NK1150 NK801 QF12 |
from $491 | 16:30 Chicago O'Hare International | 07:30+3 дня Sydney Kingsford Smith | 48h 0m layover 3h 49m - Houston 22h 45m - Los Angeles | Spirit Airlines | NK1339 NK2395 QF12 |
from $498 | 14:07 Chicago O'Hare International | 07:30+2 дня Sydney Kingsford Smith | 26h 23m layover 0h 59m - Portland 3h 4m - Los Angeles | Hawaiian Airlines | HA6293 HA6355 QF12 |
Flight Schedule Chicago (Illinois) to Sydney
Departure | Arrival | Flight Details | Flight Duration | Price |
---|---|---|---|---|
06:10 — 07:30
+2 days
|
06:10 — 08:44
F92445
Frontier Airlines
Chicago — Los Angeles
14h 31m stop
23:10 — 07:30
QF12
Qantas
Los Angeles — Sydney
|
34h 20m including layover |
Find flight
from$489 |
|
06:45 — 07:30
+2 days
|
06:45 — 09:07
NK467
Spirit Airlines
Chicago — Los Angeles
13h 3m stop
23:10 — 07:30
QF12
Qantas
Los Angeles — Sydney
|
32h 45m including layover |
Find flight
from$456 |
|
07:10 — 08:00
+2 days
|
07:10 — 09:40
UA2361
United Airlines
Chicago — Los Angeles
13h 8m stop
22:50 — 07:00
UA839
United Airlines
Los Angeles — Sydney
|
32h 50m including layover |
Find flight
from$669 |
|
07:15 — 07:55
+2 days
|
07:15 — 10:01
UA1881
United Airlines
Chicago — San Francisco
12h 59m stop
23:00 — 07:55
UA863
United Airlines
San Francisco — Sydney
|
32h 40m including layover |
Find flight
from$747 |
|
08:00 — 07:30
+2 days
|
08:00 — 10:26
NK3016
Spirit Airlines
Chicago — Los Angeles
11h 44m stop
23:10 — 07:30
QF12
Qantas
Los Angeles — Sydney
|
31h 30m including layover |
Find flight
from$456 |
|
08:51 — 08:20
+2 days
|
08:48 — 11:33
AC5101
Air Canada
Chicago — Vancouver
11h 7m stop
22:40 — 07:20
AC33
Air Canada
Vancouver — Sydney
|
31h 29m including layover |
Find flight
from$904 |
|
09:00 — 07:55
+2 days
|
08:45 — 11:33
UA1387
United Airlines
Chicago — San Francisco
11h 18m stop
23:00 — 06:55
UA863
United Airlines
San Francisco — Sydney
|
30h 55m including layover |
Find flight
from$716 |
|
09:12 — 07:30
+2 days
|
09:12 — 11:33
QF4596
Qantas
Chicago — Los Angeles
11h 37m stop
23:10 — 07:30
QF12
Qantas
Los Angeles — Sydney
|
31h 18m including layover |
Find flight
from$793 |
|
10:05 — 07:05
+2 days
|
09:50 — 12:23
QF4311
Qantas
Chicago — Los Angeles
10h 51m stop
22:40 — 09:00
QF4112
Qantas
Los Angeles — Sydney
|
30h including layover |
Find flight
from$669 |
|
10:55 — 08:00
+2 days
|
10:50 — 13:23
UA1584
United Airlines
Chicago — Los Angeles
9h 19m stop
22:50 — 07:00
UA839
United Airlines
Los Angeles — Sydney
|
29h 5m including layover |
Find flight
from$665 |
|
11:50 — 20:15
+2 days
|
10:30 — 15:00
NH11
All Nippon Airways
Chicago — Tokyo
17h 35m stop
08:35 — 20:15
NH889
All Nippon Airways
Tokyo — Sydney
|
40h 25m including layover |
Find flight
from$544 |
|
11:50 — 10:25
+2 days
|
10:30 — 15:00
NH11
All Nippon Airways
Chicago — Tokyo
7h 45m stop
22:45 — 10:30
NH879
All Nippon Airways
Tokyo — Sydney
|
30h 35m including layover |
Find flight
from$593 |
|
12:00 — 19:00
+2 days
|
12:00 — 12:55
AI126
Air India
Chicago — New Delhi
12h stop
00:55 — 18:00
AI302
Air India
New Delhi — Sydney
|
39h including layover |
Find flight
from$677 |
|
12:53 — 07:55
+2 days
|
12:53 — 15:30
UA2465
United Airlines
Chicago — San Francisco
7h 30m stop
23:00 — 06:55
UA863
United Airlines
San Francisco — Sydney
|
27h 2m including layover |
Find flight
from$716 |
|
13:05 — 08:00
+2 days
|
12:51 — 15:20
UA1363
United Airlines
Chicago — Los Angeles
7h 11m stop
22:50 — 07:00
UA839
United Airlines
Los Angeles — Sydney
|
26h 55m including layover |
Find flight
from$665 |
|
13:30 — 07:05
+2 days
|
13:30 — 15:49
QF3039
Qantas
Chicago — Los Angeles
7h 6m stop
22:55 — 07:05
QF4112
Qantas
Los Angeles — Sydney
|
26h 35m including layover |
Find flight
from$792 |
|
14:35 — 08:00
+2 days
|
13:55 — 16:22
UA378
United Airlines
Chicago — Los Angeles
5h 42m stop
22:50 — 07:00
UA839
United Airlines
Los Angeles — Sydney
|
25h 25m including layover |
Find flight
from$665 |
|
14:40 — 06:55
+2 days
|
14:35 — 17:30
UA1577
United Airlines
Chicago — San Francisco
5h 34m stop
22:55 — 09:15
UA863
United Airlines
San Francisco — Sydney
|
25h 15m including layover |
Find flight
from$720 |
|
15:35 — 07:00
+2 days
|
15:35 — 18:06
UA576
United Airlines
Chicago — Los Angeles
4h 44m stop
22:50 — 07:00
UA839
United Airlines
Los Angeles — Sydney
|
24h 25m including layover |
Find flight
from$723 |
|
15:40 — 08:00
+2 days
|
15:40 — 18:08
UA2124
United Airlines
Chicago — Los Angeles
4h 37m stop
22:45 — 07:00
UA839
United Airlines
Los Angeles — Sydney
|
24h 20m including layover |
Find flight
from$665 |
|
16:35 — 08:00
+2 days
|
16:35 — 19:03
UA2053
United Airlines
Chicago — Los Angeles
3h 42m stop
22:45 — 07:00
UA839
United Airlines
Los Angeles — Sydney
|
23h 25m including layover |
Find flight
from$665 |
|
16:58 — 07:30
+2 days
|
08:37 — 11:08
NK2544
Spirit Airlines
Chicago — Los Angeles
3h 43m stop
23:10 — 07:30
QF12
Qantas
Los Angeles — Sydney
|
23h 32m including layover |
Find flight
from$543 |
|
17:36 — 06:55
+2 days
|
17:36 — 20:06
QF3008
Qantas
Chicago — Dallas
2h 34m stop
22:40 — 06:55
QF8
Qantas
Dallas — Sydney
|
22h 19m including layover |
Find flight
from$742 |
|
17:45 — 20:15
+2 days
|
16:25 — 21:05
NH111
All Nippon Airways
Chicago — Tokyo
11h 20m stop
08:35 — 20:15
NH889
All Nippon Airways
Tokyo — Sydney
|
34h 30m including layover |
Find flight
from$537 |
|
18:03 — 07:05
+2 days
|
08:39 — 11:10
QF3008
Qantas
Chicago — Los Angeles
2h 48m stop
22:50 — 07:05
QF4112
Qantas
Los Angeles — Sydney
|
22h 2m including layover |
Find flight
from$669 |
|
18:25 — 08:00
+2 days
|
18:25 — 20:57
UA1967
United Airlines
Chicago — Los Angeles
1h 45m stop
22:50 — 07:00
UA839
United Airlines
Los Angeles — Sydney
|
21h 35m including layover |
Find flight
from$665 |
|
19:03 — 07:05
+2 days
|
17:38 — 20:11
QF3102
Qantas
Chicago — Los Angeles
1h 44m stop
22:50 — 07:05
QF4112
Qantas
Los Angeles — Sydney
|
21h 2m including layover |
Find flight
from$669 |
|
19:49 — 07:30
+3 days
|
19:49 — 22:20
NK2191
Spirit Airlines
Chicago — Los Angeles
24h 50m stop
23:10 — 07:30
QF12
Qantas
Los Angeles — Sydney
|
44h 41m including layover |
Find flight
from$543 |
|
20:10 — 08:00
+3 days
|
20:10 — 22:45
UA1084
United Airlines
Chicago — Los Angeles
24h stop
22:45 — 07:00
UA839
United Airlines
Los Angeles — Sydney
|
43h 50m including layover |
Find flight
from$684 |
|
20:20 — 07:00
+3 days
|
20:20 — 22:55
UA2738
United Airlines
Chicago — Los Angeles
23h 55m stop
22:50 — 07:00
UA839
United Airlines
Los Angeles — Sydney
|
43h 40m including layover |
Find flight
from$731 |
|
21:40 — 06:55
+3 days
|
21:40 — 00:30
UA2106
United Airlines
Chicago — San Francisco
22h 30m stop
23:00 — 06:55
UA863
United Airlines
San Francisco — Sydney
|
42h 15m including layover |
Find flight
from$754 |
|
21:42 — 07:00
+3 days
|
21:42 — 00:15
UA2378
United Airlines
Chicago — Los Angeles
22h 35m stop
22:50 — 07:00
UA839
United Airlines
Los Angeles — Sydney
|
42h 18m including layover |
Find flight
from$729 |
|
23:45 — 19:00
+3 days
|
23:45 — 18:05
TK156
Turkish Airlines
Chicago — Istanbul
21h 45m stop
15:50 — 19:00
TK174
Turkish Airlines
Istanbul — Sydney
|
52h 15m including layover |
Find flight
from$837 |
Flight Information
Below we will explain in detail what the flights cost on the destination from Chicago to Sydney depends on and how to choose the most interesting flight option for you.
Distance between Chicago and Sydney is 14883 miles. Time difference between the cities is 4h. Airplanes depart 00:30 to 23:45 from 7 Chicago airports and arrive 00:30 to 23:45 to 5 Sydney airports. Average flight time is 33h 40m.
- The fastest flight 20h 20m
- Average flight time 33h 40m
- The earliest flight 00:30
- The latest flight 23:45
- Distance 9248 ml
The cheapest months to travel to Sydney are august (from 526 $), september (from 614 $), june (from 629 $).
The most expensive months are january (from 1 147 $), december (from 1 014 $), february (from 962 $).
What is the lowest airfare Chicago to Sydney?
The cheapest plane ticket found by our users is $394. This airfare is for economy class on one-way F91887 flight by Frontier Airlines for August 16, 2025 which leaves Midway in Chicago at 08:05 am and arrives at Sydney Kingsford Smith at 11:45.
Popular Airlines on the Route
The flight Chicago — Sydney is served by 41 regular airline and 8 low-cost airlines. Most of the flights on this route are operated by Japan Airlines - JAL - 6 departures per week at the price of from $ 777 . And the most expensive tickets are offered by Qantas airline - from $ 1971.
Direct flights
There’re no direct flights on this route. Try flights with stops.
Connecting Flights
There are 791 flights with layovers on the route. The fastest connecting flight is UA2155 by United Airlines takes 20h 20m and the cheapest is F91887 by Frontier Airlines for $394.
- JL - Japan Airlines - JALfrom $777Find
- LO - LOTfrom $1067Find
- FI - Icelandairfrom $1302Find
- FJ - Air Pacificfrom $913Find
- JU - Air Serbiafrom $1332Find
- UA - United Airlinesfrom $665Find
- NZ - Air New Zealand Limitedfrom $832Find
- LX - SWISS International Air Linesfrom $1024Find
- BR - EVA Airways Corporationfrom $601Find
- QF - Qantasfrom $669Find
- IB - Iberiafrom $1078Find
- KE - Korean Airfrom $558Find
Airports
You can fly from Chicago to Sydney from 7 airports (O'Hare International, Midway, Dupage County, Chicago FSS, Merrill C Meigs (closed), Pal-Waukee, Chicago NAS).
Chicago airports
- O'Hare International-ORDfrom $394Find
- Midway-MDWfrom $394Find
- Dupage County-DPAFind
- Chicago FSS-CHIFind
- Merrill C Meigs (closed)-CGXFind
- Pal-Waukee-PWKFind
- Chicago NAS-NOHFind
Sydney airports
- Bankstown-BWUFind
- Palm Beach SPB-LBHFind
- Rose Bay-RSEFind
- Kingsford Smith-SYDFind
- Sydney West-SWZFind
Airplanes
There are flights to Sydney from Chicago by 41 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from Chicago
You may also consider searching for discounted plane tickets to some other popular places from Chicago within United States.
- from $508Find
- from $74Find
- from $76Find
- from $62Find
- from $66Find
- from $70Find
- from $66Find
- from $61Find
- from $65Find
- from $61Find
Top International Destinations from Chicago
Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.
- from $60Find
- from $72Find
- from $73Find
- from $61Find
- from $79Find
- from $73Find
- from $76Find
- from $60Find
- from $59Find
- from $74Find
How to book a plane ticket yourself?

- Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
- Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
- Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
- Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
- That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
To find a plane ticket, please select dates.