Cheap Flights from Chicago, IL to Sydney from $400

One way Round trip

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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 $400, 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

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $400 (one-way), $686 (round-trip).

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Best Flights from Chicago to Sydney Today

Take a look at the list of non stop flights and flights with layovers from Chicago to Sydney with the lowest price of $400. Take a look at the list of flights with layovers from Chicago to Sydney from $400. There’re no direct flights. The fastest connecting flight – 20h 20m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $463 Find flight	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 $463 Find flight	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 $497 Find flight	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 $545 Find flight	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 $400 Find flight	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 $400 Find flight	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 $412 Find flight	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 $412 Find flight	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 $423 Find flight	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 $462 Find flight	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 $484 Find flight	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 $486 Find flight	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 $491 Find flight	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 $498 Find flight	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 $498 Find flight	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 $505 Find flight	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

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on June 28, 2025

Flight Schedule Chicago (Illinois) to Sydney

Full flight schedule will help you in detecting at what time planes fly from Chicago to Sydney. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.

Departure	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$497
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$463
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$680
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$759
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$463
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$918
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$727
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$805
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$679
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$675
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$553
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$602
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$687
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$727
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$675
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$804
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$675
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$731
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$735
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$675
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$675
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$552
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$753
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$545
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$679
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$675
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$679
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$552
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$694
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$742
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$766
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$740
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$850

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on June 28, 2025

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 534 $), september (from 623 $), june (from 638 $).

The most expensive months are january (from 1 165 $), december (from 1 030 $), february (from 977 $).

What is the lowest airfare Chicago to Sydney?

The cheapest plane ticket found by our users is $400. 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.

Economy class

$400

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Business class

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First class

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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 $ 790 . And the most expensive tickets are offered by Qantas airline - from $ 2002.

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 $400.

JL - Japan Airlines - JAL

from $790

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LO - LOT

from $1084

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FI - Icelandair

from $1323

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FJ - Air Pacific

from $927

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JU - Air Serbia

from $1353

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UA - United Airlines

from $675

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NZ - Air New Zealand Limited

from $845

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LX - SWISS International Air Lines

from $1041

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BR - EVA Airways Corporation

from $611

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QF - Qantas

from $679

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IB - Iberia

from $1095

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KE - Korean Air

from $566

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See more connecting flights

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-ORD

from $400
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Midway-MDW

from $400
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Dupage County-DPA

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Chicago FSS-CHI

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Merrill C Meigs (closed)-CGX

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Pal-Waukee-PWK

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Chicago NAS-NOH

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Sydney airports

Bankstown-BWU

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Palm Beach SPB-LBH

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Rose Bay-RSE

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Kingsford Smith-SYD

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Sydney West-SWZ

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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.

Chicago — Las Vegas

from $508

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Chicago — New York

from $74

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Chicago — Atlanta

from $76

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Chicago — Orlando

from $62

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Chicago — Miami

from $66

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Chicago — Dallas

from $70

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Chicago — Houston

from $66

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Chicago — Boston

from $61

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Chicago — Phoenix

from $65

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Chicago — Denver

from $61

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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.

Chicago — London

from $60

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Chicago — Cancun

from $72

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Chicago — Toronto

from $73

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Chicago — Paris

from $61

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Chicago — Rome

from $79

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Chicago — Hyderabad

from $73

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Chicago — Mexico City

from $76

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Chicago — Tokyo

from $60

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Chicago — Dublin

from $59

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Chicago — Mumbai

from $74

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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»
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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.
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