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Cheap flights from Illinois to Sydney from $313

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 5/14. 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.
7:46 pm - 7:15 pmORD-SYD
32h 29m2 stops
11:50 am - 5:03 amSYD-ORD
32h 13m2 stops
$676ANA
Find Deal
Wed, May 21 - Wed, Jun 4
7:46 pm - 7:15 pmORD-SYD
32h 29m2 stops
11:50 am - 5:03 amSYD-ORD
32h 13m2 stops
$678ANA
Find Deal
Wed, May 21 - Wed, Jun 4
7:00 am - 9:25 amORD-SYD
35h 25m2 stops
11:50 am - 8:22 pmSYD-ORD
47h 32m2 stops
$683ANA
Find Deal
Fri, May 9 - Fri, May 23
7:46 pm - 7:15 pmORD-SYD
32h 29m2 stops
9:10 am - 3:45 pmSYD-ORD
21h 35m1 stop
Fri, May 9 - Sun, May 25
7:00 am - 9:25 amORD-SYD
35h 25m2 stops
9:10 am - 11:28 pmSYD-ORD
29h 18m1 stop
Fri, May 9 - Fri, May 23
2:13 pm - 9:00 amORD-SYD
26h 47m1 stop
11:15 am - 3:55 pmSYD-ORD
20h 40m1 stop
$812Qantas Airways
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Mon, Mar 10 - Mon, Mar 24
2:13 pm - 7:25 amORD-SYD
24h 12m1 stop
9:25 pm - 6:33 amSYD-ORD
25h 08m1 stop
$820British Airways
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Sun, Mar 2 - Sun, Mar 16
2:13 pm - 9:00 amORD-SYD
26h 47m1 stop
11:15 am - 11:59 pmSYD-ORD
28h 44m1 stop
$822Qantas Airways
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Fri, Mar 14 - Sun, Mar 23
8:31 am - 6:10 amORD-SYD
28h 39m1 stop
5:25 pm - 5:04 amSYD-ORD
27h 39m1 stop
$827Iberia
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Sun, Mar 2 - Sun, Mar 16
4:26 pm - 6:55 amSTL-SYD
46h 29m3 stops
3:40 pm - 6:01 pmSYD-STL
42h 21m3 stops
$10,514British Airways
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Sat, Mar 15 - Fri, Apr 4
7:00 am - 7:15 pmORD-SYD
45h 15m2 stops
$313ANA
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Wed, May 14
5:10 pm - 8:05 amORD-SYD
22h 55m1 stop
$390Qantas Airways
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Tue, Apr 1
10:35 am - 6:55 amORD-SYD
29h 20m1 stop
$404American Airlines
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Wed, Jun 4
3:00 pm - 6:35 amORD-SYD
22h 35m2 stops
$409American Airlines
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Thu, Feb 6
3:11 pm - 3:40 pmSTL-SYD
32h 29m2 stops
Wed, Apr 2
6:40 am - 9:00 amMDW-SYD
33h 20m2 stops
Sat, Feb 15
5:37 pm - 12:30 pmSTL-SYD
25h 53m2 stops
$629Fiji Airways
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Tue, Feb 25
11:35 am - 8:20 amORD-SYD
28h 45m2 stops
$711Air Canada
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Tue, Apr 1
7:20 am - 8:20 amORD-SYD
33h 00m3 stops
$717Air Canada
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Tue, Apr 1
6:50 pm - 11:45 amORD-SYD
25h 55m2 stops
$756Fiji Airways
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Fri, May 16
8:25 pm - 9:00 amORD-SYD
43h 35m1 stop
11:15 am - 3:59 pmSYD-ORD
21h 44m1 stop
$878Qantas Airways
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Tue, Jan 14 - Mon, Jan 27
3:22 pm - 1:15 pmORD-SYD
28h 53m2 stops
11:15 am - 7:31 pmSYD-ORD
25h 16m1 stop
$974Qantas Airways
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Mon, Jan 13 - Fri, Jan 31
8:30 am - 6:10 amORD-SYD
28h 40m1 stop
5:35 pm - 11:59 pmSYD-ORD
21h 24m1 stop
$1,017American Airlines
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Sun, Jan 12 - Thu, Apr 24
2:15 pm - 6:35 amORD-SYD
23h 20m1 stop
11:50 am - 4:34 pmSYD-ORD
21h 44m2 stops
$1,022American Airlines
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Sat, Jan 11 - Thu, Jan 23
2:05 pm - 9:35 amORD-SYD
26h 30m2 stops
11:20 am - 8:05 amSYD-ORD
37h 45m3 stops
$1,553Air Canada
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Tue, Jan 14 - Mon, Jan 27
7:20 am - 9:35 amORD-SYD
33h 15m3 stops
11:20 am - 8:05 amSYD-ORD
37h 45m2 stops
$1,622Air Canada
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Sun, Jan 12 - Fri, Jan 31
11:12 am - 12:30 pmORD-SYD
32h 18m2 stops
3:20 pm - 11:13 pmSYD-ORD
24h 53m2 stops
$1,744
Find Deal
Fri, Jan 10 - Sun, Jan 12
10:34 am - 12:30 pmORD-SYD
32h 56m3 stops
3:20 pm - 11:13 pmSYD-ORD
24h 53m2 stops
$1,748
Find Deal
Fri, Jan 10 - Sun, Jan 12
6:45 am - 8:35 amORD-SYD
32h 50m2 stops
11:05 am - 6:23 pmSYD-ORD
24h 18m2 stops
$2,169Delta
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Fri, Jan 10 - Fri, Jan 24
10:57 am - 6:50 amMDW-SYD
26h 53m2 stops
11:05 am - 10:20 pmSYD-MDW
28h 15m2 stops
$2,169Delta
Find Deal
Sat, Jan 11 - Sat, Jan 25

Air Canada flights from Illinois to Sydney

Our best Air Canada deals on Illinois to Sydney flight tickets
Air Canada
May 21
STL1:30 pmLambert-St Louis
50h 50m
3 stops
SYD7:20 amSydney Kingsford Smith
May 27
SYD9:20 amSydney Kingsford Smith
44h 56m
2 stops
STL3:16 pmLambert-St Louis
Air Canada
May 28
STL4:05 pmLambert-St Louis
48h 15m
2 stops
SYD7:20 amSydney Kingsford Smith
Jun 18
SYD9:20 amSydney Kingsford Smith
44h 56m
2 stops
STL3:16 pmLambert-St Louis
Air Canada
Jan 15
ORD10:53 amChicago O'Hare Intl
29h 42m
2 stops
SYD9:35 amSydney Kingsford Smith
Feb 4
SYD11:20 amSydney Kingsford Smith
37h 45m
2 stops
ORD8:05 amChicago O'Hare Intl

Alaska Airlines flights from Illinois to Sydney

Our best Alaska Airlines deals on Illinois to Sydney flight tickets
Alaska Airlines
Feb 2
STL7:00 amLambert-St Louis
43h 45m
2 stops
SYD7:45 pmSydney Kingsford Smith
Feb 28
SYD9:40 pmSydney Kingsford Smith
33h 45m
2 stops
STL2:25 pmLambert-St Louis
Alaska Airlines
Jan 12
STL2:49 pmLambert-St Louis
35h 56m
3 stops
SYD7:45 pmSydney Kingsford Smith
Jan 18
SYD9:40 pmSydney Kingsford Smith
33h 13m
2 stops
STL1:53 pmLambert-St Louis

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 $938. 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 $992.

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 $1,166. The most expensive day to fly to Sydney is Thursday, with ticket prices averaging around $1,391.

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 morning. momondo users have found flights departing from Illinois to Sydney in the morning for as low as $1,224. 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 evening, with an average ticket price of $1,412. Departure times in the evening 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 37 days in advance when prices tend to average $1,199. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Illinois for as low as $872 on momondo.

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

$313

Fastest flight time

20h 00m

Direct flights

None

Airports in Sydney

1 airport
The best one-way flight to Sydney from Illinois in the past 72 hours is $313. The best round-trip flight deal from Illinois to Sydney found on momondo in the last 72 hours is $676.
The fastest flight from Illinois to Sydney takes 20h 00m
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, Lambert-St Louis 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
ANAPriceFrom $688Free CancellationRating
8.4
837 reviews
Search ANA flights
Qantas AirwaysPriceFrom $831Free CancellationRating
7.5
811 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $833Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $851Free CancellationRating
8.0
8,501 reviews
Search Delta flights
United AirlinesPriceFrom $916Free CancellationRating
7.4
8,942 reviews
Search United Airlines flights
Air CanadaPriceFrom $954Free CancellationRating
7.0
8,516 reviews
Search Air Canada flights
Cathay PacificPriceFrom $1,138Free CancellationRating
7.5
818 reviews
Search Cathay Pacific flights
Air New ZealandPriceFrom $1,197Free CancellationRating
7.9
477 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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