SYD

$528 Find Cheap Flights from Illinois to Sydney

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Sydney departing on 8/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Cheap Flights from Illinois to Sydney

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Sydney that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Illinois to Sydney

Mon, Aug 10 - Wed, Aug 26
ANA Logo
8:30 pm - 7:10 pm
ORD
-
SYD
31h 40m
2 stops
ANA Logo
11:45 am - 4:45 am
SYD
-
ORD
32h 00m
2 stops
$1,213ANA
Mon, Aug 10 - Wed, Aug 26
ANA Logo
8:30 pm - 7:10 pm
ORD
-
SYD
31h 40m
2 stops
ANA Logo
11:45 am - 8:40 am
SYD
-
ORD
35h 55m
1 stop
$1,235ANA
Tue, Aug 4 - Tue, Aug 18
Multiple Airlines Logo
9:13 pm - 11:50 am
ORD
-
SYD
47h 37m
2 stops
Multiple Airlines Logo
5:50 pm - 6:17 am
SYD
-
ORD
27h 27m
1 stop
$1,238Multiple Airlines
Sun, Nov 15 - Wed, Nov 25
Qantas Airways Logo
6:13 pm - 8:50 pm
STL
-
SYD
33h 37m
2 stops
Qantas Airways Logo
11:15 am - 11:42 pm
SYD
-
STL
29h 27m
1 stop
$1,240Qantas Airways
Mon, Nov 16 - Sat, Nov 21
Qantas Airways Logo
7:00 am - 9:00 am
STL
-
SYD
33h 00m
1 stop
Qantas Airways Logo
5:50 pm - 3:29 pm
SYD
-
STL
38h 39m
2 stops
$1,241Qantas Airways
Mon, Aug 31 - Wed, Sep 9
Delta Logo
8:48 am - 6:50 am
STL
-
SYD
31h 02m
2 stops
Delta Logo
9:15 am - 4:47 pm
SYD
-
STL
22h 32m
2 stops
$1,253Delta
Thu, Jul 2 - Thu, Jul 23
Delta Logo
10:20 am - 6:50 am
STL
-
SYD
29h 30m
2 stops
Delta Logo
9:15 am - 7:00 pm
SYD
-
STL
24h 45m
2 stops
$1,293Delta
Mon, Aug 31 - Wed, Sep 9
United Airlines Logo
8:42 am - 6:55 am
STL
-
SYD
31h 13m
1 stop
United Airlines Logo
10:20 am - 6:39 pm
SYD
-
STL
23h 19m
1 stop
$1,330United Airlines
Tue, Jul 21 - Fri, Jul 31
Multiple Airlines Logo
6:05 am - 11:50 am
MDW
-
SYD
38h 45m
3 stops
Multiple Airlines Logo
1:15 pm - 11:07 am
SYD
-
MDW
36h 52m
3 stops
$1,406Multiple Airlines
Sat, Jul 11 - Fri, Aug 14
United Airlines Logo
5:43 pm - 6:55 am
PIA
-
SYD
46h 12m
2 stops
United Airlines Logo
9:30 am - 5:01 pm
SYD
-
PIA
22h 31m
2 stops
$1,568United Airlines
Useful Info

Good to know

Low seasonMay
Cheapest flight$528
Best time to beat the crowds with an average 6% drop in price.
Most popular time to fly with an average 34% increase in price.
Flight from Chicago O'Hare Airport to Sydney

FAQs for booking flights from Illinois to Sydney

  • How does KAYAK find such low prices on flights from Illinois to Sydney?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Sydney.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Sydney?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Sydney from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Illinois to Sydney?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Sydney with an airline and back to Illinois with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Sydney?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Sydney from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Terrigal
Penrith
Katoomba
Coogee
Cronulla
Randwick
Lithgow
Charlestown
Swansea
Brooklyn
Newport

Everything you need to know for your flight to Sydney

Information on the airport you'll fly into in Sydney

Sydney (SYD)