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Cheap flights from Illinois to Sydney from $624

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Sydney departing on 1/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Illinois to Sydney

Cheap return flights

These are some of the best return flight deals from Illinois to Sydney that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Illinois to Sydney.

Cheap last-minute flights

Planning a quick getaway from Illinois to Sydney? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Sydney, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from Illinois to Sydney

Find recent round-trip train or bus tickets from Illinois to Sydney.

All round-trip flight deals to Sydney

The cheapest plane tickets to Sydney found on KAYAK recently.
17:45 - 19:15ORD-SYD
34h 30m1 stop
20:55 - 08:40SYD-ORD
26h 45m1 stop
$1,197ANA
Find Deal
Tue, 13 May - Tue, 20 May
07:15 - 09:25ORD-SYD
35h 10m2 stops
20:55 - 08:40SYD-ORD
26h 45m1 stop
$1,203ANA
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Mon, 12 May - Tue, 20 May
14:15 - 09:00ORD-SYD
25h 45m1 stop
11:15 - 19:35SYD-ORD
25h 20m1 stop
$1,360Qantas Airways
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Thu, 5 Dec - Thu, 12 Dec
17:40 - 09:00ORD-SYD
22h 20m1 stop
09:10 - 19:38SYD-ORD
25h 28m1 stop
$1,371Qantas Airways
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Sun, 23 Feb - Sun, 25 May
09:05 - 06:35ORD-SYD
28h 30m1 stop
21:25 - 05:46SYD-ORD
25h 21m1 stop
$1,440American Airlines
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Fri, 6 Dec - Sun, 22 Dec
12:56 - 07:25ORD-SYD
25h 29m1 stop
11:50 - 21:14SYD-ORD
26h 24m1 stop
$1,447American Airlines
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Wed, 8 Jan - Wed, 15 Jan
17:40 - 09:00ORD-SYD
22h 20m1 stop
11:50 - 14:19SYD-ORD
19h 29m1 stop
$1,495
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Sun, 9 Feb - Tue, 18 Feb
18:55 - 06:10ORD-SYD
42h 15m1 stop
11:15 - 15:59SYD-ORD
21h 44m1 stop
$1,507
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Mon, 13 Jan - Wed, 22 Jan
15:50 - 09:35STL-SYD
48h 45m2 stops
11:20 - 15:06SYD-STL
44h 46m2 stops
$1,828Air Canada
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Mon, 3 Feb - Tue, 25 Feb
15:50 - 08:35STL-SYD
48h 45m2 stops
10:20 - 15:06SYD-STL
44h 46m2 stops
$1,865Air Canada
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Wed, 19 Mar - Sun, 23 Mar
17:45 - 20:15ORD-SYD
34h 30m1 stop
$624ANA
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Tue, 1 Apr
20:10 - 19:15ORD-SYD
32h 05m2 stops
$630ANA
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Sat, 5 Apr
09:45 - 07:25ORD-SYD
28h 40m1 stop
$730American Airlines
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Wed, 22 Jan
11:50 - 07:05ORD-SYD
28h 15m1 stop
$739Qantas Airways
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Sat, 5 Apr
17:40 - 09:00ORD-SYD
22h 20m1 stop
$750Qantas Airways
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Thu, 6 Feb
16:45 - 06:35ORD-SYD
20h 50m1 stop
$779American Airlines
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Sat, 15 Feb
18:36 - 12:30ORD-SYD
48h 54m3 stops
$1,099
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Sun, 8 Dec
07:20 - 08:20ORD-SYD
33h 00m3 stops
$1,102Air Canada
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Wed, 2 Apr
07:33 - 12:30ORD-SYD
35h 57m3 stops
$1,152
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Wed, 11 Dec
07:20 - 08:20ORD-SYD
33h 00m3 stops
$1,192Air Canada
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Sat, 5 Apr
15:24 - 09:00ORD-SYD
24h 36m1 stop
11:15 - 23:10SYD-ORD
28h 55m1 stop
$1,363Qantas Airways
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Fri, 29 Nov - Sat, 28 Dec
18:49 - 09:00ORD-SYD
21h 11m1 stop
17:25 - 23:00SYD-ORD
22h 35m1 stop
$1,653Qantas Airways
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Fri, 29 Nov - Mon, 2 Dec
09:50 - 09:00ORD-SYD
30h 10m1 stop
21:35 - 13:25SYD-ORD
32h 50m2 stops
$1,876Qantas Airways
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Fri, 29 Nov - Mon, 2 Dec
07:15 - 07:25ORD-SYD
31h 10m1 stop
17:25 - 23:10SYD-ORD
22h 45m1 stop
$2,111American Airlines
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Thu, 28 Nov - Sat, 28 Dec
08:45 - 09:35ORD-SYD
31h 50m2 stops
16:00 - 08:05SYD-ORD
33h 05m2 stops
$2,280Air Canada
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Fri, 29 Nov - Mon, 2 Dec
16:25 - 10:30ORD-SYD
25h 05m1 stop
18:25 - 23:10SYD-ORD
45h 45m3 stops
$2,448
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Thu, 28 Nov - Sat, 28 Dec
08:45 - 09:35ORD-SYD
31h 50m2 stops
11:20 - 07:56SYD-ORD
37h 36m3 stops
$2,780Air Canada
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Fri, 29 Nov - Mon, 2 Dec
10:41 - 08:35MDW-SYD
28h 54m2 stops
14:15 - 22:06SYD-MDW
24h 51m2 stops
$2,800Delta
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Fri, 29 Nov - Sat, 28 Dec
16:25 - 10:30ORD-SYD
25h 05m1 stop
20:30 - 11:52SYD-ORD
56h 22m2 stops
$3,184
Find Deal
Thu, 28 Nov - Sat, 30 Nov
14:17 - 08:35MDW-SYD
25h 18m2 stops
11:05 - 18:32SYD-MDW
24h 27m2 stops
$43,818Delta
Find Deal
Sat, 30 Nov - Wed, 11 Dec

ANA flights from Illinois to Sydney

Our best ANA deals on Illinois to Sydney flight tickets
ANA
13 May
ORD17:45Chicago O'Hare Intl
34h 30m
1 stop
SYD19:15Sydney Kingsford Smith
20 May
SYD20:55Sydney Kingsford Smith
26h 45m
1 stop
ORD08:40Chicago O'Hare Intl
ANA
12 May
ORD07:15Chicago O'Hare Intl
35h 10m
2 stops
SYD09:25Sydney Kingsford Smith
20 May
SYD20:55Sydney Kingsford Smith
26h 45m
1 stop
ORD08:40Chicago O'Hare Intl
ANA
11 May
ORD07:00Chicago O'Hare Intl
45h 15m
2 stops
SYD19:15Sydney Kingsford Smith
17 May
SYD20:55Sydney Kingsford Smith
47h 04m
2 stops
ORD04:59Chicago O'Hare Intl

Qantas Airways flights from Illinois to Sydney

Our best Qantas Airways deals on Illinois to Sydney flight tickets
Qantas Airways
1 Dec
ORD09:50Chicago O'Hare Intl
30h 10m
1 stop
SYD09:00Sydney Kingsford Smith
5 Dec
SYD11:15Sydney Kingsford Smith
21h 45m
1 stop
ORD16:00Chicago O'Hare Intl
Qantas Airways
5 Dec
ORD14:15Chicago O'Hare Intl
25h 45m
1 stop
SYD09:00Sydney Kingsford Smith
12 Dec
SYD11:15Sydney Kingsford Smith
25h 20m
1 stop
ORD19:35Chicago O'Hare Intl
Qantas Airways
29 Nov
ORD15:24Chicago O'Hare Intl
24h 36m
1 stop
SYD09:00Sydney Kingsford Smith
28 Dec
SYD11:15Sydney Kingsford Smith
28h 55m
1 stop
ORD23:10Chicago O'Hare Intl

See travel insights to Sydney from

How to get the cheapest flight ticket from Illinois 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 ticket for your trip

What is the cheapest month to fly to Sydney?

The month of March is, on average, the cheapest month to fly to Sydney from Illinois, with most prices found around $1,560. If you aren’t able to travel to Sydney during the month of March, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $1,785.

What is the cheapest day to depart on your flight to Sydney?

Our data shows that Sunday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $1,927. The most expensive day to fly to Sydney is Tuesday, with ticket prices averaging around $2,386.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is in the afternoon. momondo users have found flights departing from Illinois to Sydney in the afternoon for as low as $2,086. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at midday when prices are $3,244 on average. Flights to Sydney from Illinois at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

How far in advance should I book a flight to Sydney?

We recommend purchasing flights from Illinois to Sydney 28 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Sydney for $2,134. However, in the past 72 hours, people saw flights from Illinois for as low as $2,163.

Can stopping save me money on Illinois to Sydney flights?

No. A direct flight is the cheapest option for a flight between Illinois to Sydney.

Cheap Illinois to Sydney flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Sydney

Best price found

$624

Fastest flight time

20h 06m

Direct flights

None

Airports in Sydney

1 airport
The best one-way flight to Sydney from Illinois in the past 72 hours is $624. The best return flight deal from Illinois to Sydney found on momondo in the last 72 hours is $1,197.
The fastest flight from Illinois to Sydney takes 20h 06m
There are no direct flights from Illinois to Sydney. Popular non-direct routes for this connection are Chicago O'Hare Intl Airport - Sydney Kingsford Smith Airport and Chicago Midway Airport - Sydney Kingsford Smith Airport.
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)

  • When did momondo last update prices for flights from Illinois to Sydney Kingsford Smith Airport?

    Prices for flights from Illinois to Sydney Kingsford Smith Airport refresh daily.

  • How many operators does momondo search for flights from Illinois to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from Illinois to Sydney Kingsford Smith Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.


Best airlines flying from Illinois to Sydney

Compare and see reviews for airlines that fly from Illinois to Sydney with momondo
Airline
Rating
Free cancellation
Price
Air CanadaPriceFrom $1,483Free cancellationRating
7.0
8,265 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,733Free cancellationRating
7.4
9,165 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Sydney?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Illinois to Sydney. momondo saves you time and could save you money on your trip.

Can I find flights from Illinois to Sydney with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Illinois to Sydney flights to just show those with flexible booking policies.

How can momondo help me find flights from Illinois to Sydney?

momondo provides multiple filters to help you find the best flight to Sydney from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Illinois to Sydney right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Sydney, momondo offers a useful price alert feature which will track prices for flights to Sydney from Illinois and alert you when they change.


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