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Cheap flights from Illinois to Sydney from $378

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 4/7. 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 round-trip flights

These are some of the best round-trip 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 layovers.

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.
7:00 am - 8:15 pmORD-SYD
45h 15m2 stops
8:55 pm - 2:34 pmSYD-ORD
32h 39m2 stops
$773ANA
Find Deal
Wed, Apr 2 - Wed, Apr 30
5:45 pm - 10:25 amORD-SYD
24h 40m1 stop
8:55 pm - 2:34 pmSYD-ORD
32h 39m2 stops
$774ANA
Find Deal
Wed, Apr 2 - Wed, Apr 30
6:50 pm - 9:00 amORD-SYD
21h 10m1 stop
11:15 am - 3:25 pmSYD-ORD
21h 10m1 stop
$865Qantas Airways
Find Deal
Sat, Dec 7 - Sat, Dec 14
2:15 pm - 9:00 amORD-SYD
25h 45m1 stop
11:15 am - 7:35 pmSYD-ORD
25h 20m1 stop
$885Qantas Airways
Find Deal
Thu, Dec 5 - Thu, Dec 12
7:20 pm - 9:00 amORD-SYD
20h 40m1 stop
8:35 pm - 5:12 amSYD-ORD
25h 37m2 stops
$931British Airways
Find Deal
Fri, Dec 6 - Sun, Dec 22
5:10 pm - 9:00 amORD-SYD
22h 50m1 stop
9:25 pm - 5:46 amSYD-ORD
25h 21m1 stop
$936British Airways
Find Deal
Fri, Dec 6 - Sun, Dec 22
9:05 am - 6:35 amORD-SYD
28h 30m1 stop
9:25 pm - 5:46 amSYD-ORD
25h 21m1 stop
$937American Airlines
Find Deal
Fri, Dec 6 - Sun, Dec 22
12:56 pm - 7:25 amORD-SYD
25h 29m1 stop
5:25 pm - 5:05 amSYD-ORD
28h 40m1 stop
$945American Airlines
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Wed, Jan 8 - Wed, Jan 15
5:40 pm - 9:00 amORD-SYD
22h 20m1 stop
11:50 am - 2:01 pmSYD-ORD
19h 11m1 stop
Sun, Feb 9 - Fri, Feb 14
6:55 pm - 6:10 amORD-SYD
42h 15m1 stop
11:15 am - 3:59 pmSYD-ORD
21h 44m1 stop
Mon, Jan 13 - Wed, Jan 22
5:45 pm - 7:15 pmORD-SYD
34h 30m1 stop
$378ANA
Find Deal
Mon, Apr 7
7:15 am - 8:15 pmORD-SYD
45h 00m2 stops
$381ANA
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Tue, Apr 1
9:45 am - 7:25 amORD-SYD
28h 40m1 stop
$475American Airlines
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Wed, Jan 22
2:40 pm - 6:35 amORD-SYD
23h 55m2 stops
$476American Airlines
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Wed, Mar 12
11:50 am - 7:05 amORD-SYD
28h 15m1 stop
$481Qantas Airways
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Sat, Apr 5
5:40 pm - 9:00 amORD-SYD
22h 20m1 stop
$488Qantas Airways
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Thu, Feb 6
10:00 am - 2:40 pmORD-SYD
37h 40m2 stops
Thu, Apr 17
11:10 am - 2:20 pmORD-SYD
34h 10m2 stops
Sat, Jan 11
7:20 am - 8:20 amORD-SYD
33h 00m3 stops
$717Air Canada
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Wed, Apr 2
7:20 am - 8:20 amORD-SYD
33h 00m3 stops
$776Air Canada
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Sat, Apr 5
3:24 pm - 9:00 amORD-SYD
24h 36m1 stop
11:15 am - 11:10 pmSYD-ORD
28h 55m1 stop
$887Qantas Airways
Find Deal
Fri, Nov 29 - Sat, Dec 28
5:00 pm - 7:25 amORD-SYD
21h 25m1 stop
11:15 am - 3:52 pmSYD-ORD
21h 37m1 stop
Tue, Nov 26 - Tue, Dec 3
6:49 pm - 9:00 amORD-SYD
21h 11m1 stop
5:25 pm - 11:00 pmSYD-ORD
22h 35m1 stop
$1,076Qantas Airways
Find Deal
Fri, Nov 29 - Mon, Dec 2
6:49 pm - 9:00 amORD-SYD
21h 11m1 stop
9:35 pm - 1:25 pmSYD-ORD
32h 50m2 stops
$1,175Qantas Airways
Find Deal
Tue, Nov 26 - Tue, Dec 3
7:15 am - 7:25 amORD-SYD
31h 10m1 stop
5:25 pm - 11:10 pmSYD-ORD
22h 45m1 stop
$1,374American Airlines
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Thu, Nov 28 - Sat, Dec 28
7:20 am - 9:35 amORD-SYD
33h 15m2 stops
11:20 am - 7:32 pmSYD-ORD
25h 12m2 stops
$1,409Air Canada
Find Deal
Tue, Nov 26 - Tue, Dec 3
8:45 am - 9:35 amORD-SYD
31h 50m2 stops
4:00 pm - 8:05 amSYD-ORD
33h 05m2 stops
$1,484Air Canada
Find Deal
Fri, Nov 29 - Mon, Dec 2
6:15 am - 10:25 amSTL-SYD
35h 10m2 stops
12:10 pm - 5:56 pmSYD-STL
22h 46m1 stop
$1,942Air New Zealand
Find Deal
Sat, Nov 30 - Sat, Dec 7
3:50 pm - 8:45 amORD-SYD
23h 55m2 stops
12:10 pm - 3:22 pmSYD-ORD
20h 12m1 stop
$1,995Air New Zealand
Find Deal
Wed, Nov 27 - Fri, Nov 29
7:00 pm - 9:15 amSTL-SYD
21h 15m1 stop
12:10 pm - 5:56 pmSYD-STL
22h 46m1 stop
$2,159United Airlines
Find Deal
Sat, Nov 30 - Sat, Dec 7

British Airways flights from Illinois to Sydney

Our best British Airways deals on Illinois to Sydney flight tickets
British Airways
Dec 6
ORD7:20 pmChicago O'Hare Intl
20h 40m
1 stop
SYD9:00 amSydney Kingsford Smith
Dec 22
SYD8:35 pmSydney Kingsford Smith
25h 37m
2 stops
ORD5:12 amChicago O'Hare Intl
British Airways
Dec 6
ORD5:10 pmChicago O'Hare Intl
22h 50m
1 stop
SYD9:00 amSydney Kingsford Smith
Dec 22
SYD9:25 pmSydney Kingsford Smith
25h 21m
1 stop
ORD5:46 amChicago O'Hare Intl

American Airlines flights from Illinois to Sydney

Our best American Airlines deals on Illinois to Sydney flight tickets
American Airlines
Dec 6
ORD9:05 amChicago O'Hare Intl
28h 30m
1 stop
SYD6:35 amSydney Kingsford Smith
Dec 22
SYD9:25 pmSydney Kingsford Smith
25h 21m
1 stop
ORD5:46 amChicago O'Hare Intl
American Airlines
Nov 29
ORD11:45 amChicago O'Hare Intl
25h 50m
1 stop
SYD6:35 amSydney Kingsford Smith
Dec 2
SYD5:25 pmSydney Kingsford Smith
22h 35m
1 stop
ORD11:00 pmChicago O'Hare Intl
American Airlines
Dec 2
ORD3:14 pmChicago O'Hare Intl
22h 21m
2 stops
SYD6:35 amSydney Kingsford Smith
Dec 11
SYD5:25 pmSydney Kingsford Smith
23h 34m
1 stop
ORD11:59 pmChicago 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?

In general, March is the cheapest month to fly from Illinois to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,015. If you are unable to visit Sydney during the month of March, then departing from Illinois during the month February is also very affordable. Most momondo users find prices during this month for around $1,162.

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

The cheapest day to depart from Illinois to Sydney is on a Saturday when prices can be found for as low as $1,257. The most expensive day to fly to Sydney is Thursday, with ticket prices averaging around $1,435.

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 at noon. momondo users have found flights departing from Illinois to Sydney at noon for as low as $1,346. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly in the morning, with an average ticket price of $1,454. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

The ideal time to book your flight to Sydney is 28 days in advance when prices tend to average $1,389. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Illinois for as low as $916 on momondo.

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

$378

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 $378. The best round-trip flight deal from Illinois to Sydney found on momondo in the last 72 hours is $773.
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 are updated 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?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. 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 license 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
American AirlinesPriceFrom $840Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $851Free CancellationRating
8.0
8,734 reviews
Search Delta flights
Qantas AirwaysPriceFrom $861Free CancellationRating
7.6
819 reviews
Search Qantas Airways flights
United AirlinesPriceFrom $916Free CancellationRating
7.4
9,156 reviews
Search United Airlines flights
Air CanadaPriceFrom $959Free CancellationRating
7.0
8,269 reviews
Search Air Canada flights
Cathay PacificPriceFrom $1,138Free CancellationRating
7.6
872 reviews
Search Cathay Pacific flights
Air New ZealandPriceFrom $1,199Free CancellationRating
8.0
525 reviews
Search Air New Zealand flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Sydney for you.

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

All flight searches from Illinois to Sydney on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Illinois to Sydney.

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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