Look for other cheap flights to Illinois

$1,479 Cheap flights to Illinois

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight to Illinois departing on 15/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Recent flights found to popular cities in Illinois

Find flights to these popular cities in Illinois from your nearest airport.
Multiple Airlines
15 Oct
SYD
22h 39m
2 stops
ORD
1 Nov
ORD
31h 25m
1 stop
SYD
Multiple Airlines
15 Oct
SYD
22h 39m
2 stops
ORD
31 Oct
ORD
31h 25m
1 stop
SYD
Multiple Airlines
1 Aug
SYD
42h 13m
2 stops
ORD
22 Aug
ORD
37h 40m
2 stops
SYD
Multiple Airlines
15 Oct
SYD
22h 39m
2 stops
ORD
28 Oct
ORD
31h 25m
1 stop
SYD
Multiple Airlines
17 Oct
SYD
37h 30m
2 stops
ORD
1 Nov
ORD
31h 25m
1 stop
SYD
Multiple Airlines
15 Oct
SYD
22h 39m
2 stops
ORD
30 Oct
ORD
33h 05m
1 stop
SYD
Multiple Airlines
17 Oct
SYD
37h 30m
2 stops
ORD
31 Oct
ORD
31h 25m
1 stop
SYD
Multiple Airlines
15 Oct
SYD
22h 39m
2 stops
ORD
29 Oct
ORD
31h 25m
1 stop
SYD
Multiple Airlines
15 Oct
SYD
22h 39m
2 stops
ORD
27 Oct
ORD
31h 25m
1 stop
SYD
Multiple Airlines
1 Aug
SYD
31h 10m
2 stops
ORD
19 Aug
ORD
37h 40m
2 stops
SYD
Multiple Airlines
17 Oct
SYD
37h 30m
2 stops
ORD
28 Oct
ORD
31h 25m
1 stop
SYD
Multiple Airlines
20 July
SYD
42h 42m
2 stops
ORD
20 Aug
ORD
37h 40m
2 stops
SYD

Find the cheapest flights from Australia to Illinois

Recent return flight deals from Australia to Illinois

 Logo
17:20 - 23:59SYD-ORD
22h 39m2 stops
 Logo
08:00 - 07:25ORD-SYD
31h 25m1 stop
$1,479
Find Deal
Wed, 15 Oct - Sat, 1 Nov
 Logo
17:20 - 23:59SYD-ORD
22h 39m2 stops
 Logo
08:00 - 07:25ORD-SYD
31h 25m1 stop
$1,486
Find Deal
Wed, 15 Oct - Fri, 31 Oct
American Airlines Logo
09:10 - 05:12SYD-ORD
35h 02m1 stop
American Airlines Logo
19:04 - 06:55ORD-SYD
20h 51m1 stop
$1,560American Airlines
Find Deal
Sun, 10 Aug - Sun, 24 Aug
American Airlines Logo
12:10 - 16:08SYD-STL
18h 58m1 stop
American Airlines Logo
06:15 - 09:00STL-SYD
33h 45m1 stop
$1,625American Airlines
Find Deal
Mon, 18 Aug - Sat, 8 Nov
United Airlines Logo
10:20 - 16:45SYD-STL
21h 25m1 stop
United Airlines Logo
10:30 - 09:15STL-SYD
29h 45m2 stops
$1,722United Airlines
Find Deal
Mon, 18 Aug - Sat, 8 Nov
Air Canada Logo
06:30 - 19:29MEL-ORD
28h 59m3 stops
Air Canada Logo
15:40 - 15:15ORD-MEL
30h 35m2 stops
$1,974Air Canada
Find Deal
Mon, 6 Oct - Mon, 3 Nov
Air Canada Logo
06:30 - 19:29MEL-ORD
28h 59m3 stops
Air Canada Logo
14:00 - 15:35ORD-MEL
32h 35m3 stops
$1,985Air Canada
Find Deal
Mon, 6 Oct - Mon, 3 Nov
United Airlines Logo
10:55 - 17:08MEL-ORD
21h 13m1 stop
United Airlines Logo
19:40 - 08:15ORD-MEL
21h 35m1 stop
$2,069United Airlines
Find Deal
Thu, 28 Aug - Sun, 28 Sep
Qantas Airways Logo
08:00 - 21:13ADL-ORD
27h 43m2 stops
Qantas Airways Logo
14:55 - 09:25ORD-ADL
28h 00m2 stops
$2,153Qantas Airways
Find Deal
Sun, 10 Aug - Sun, 17 Aug
Qantas Airways Logo
11:55 - 17:43MEL-ORD
20h 48m1 stop
Qantas Airways Logo
15:19 - 09:35ORD-MEL
27h 16m2 stops
$2,297Qantas Airways
Find Deal
Wed, 27 Aug - Thu, 11 Sep

See travel insights to Illinois from

Illinois flights insights and trends

Explore insights for your Illinois flight to craft the best travel plan

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

On average, the least expensive day to fly to Illinois from Australia is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $1,717. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $2,021. These prices are subject to change though, so be sure to set up a Price Alert for flights to Illinois.

Cheapest flights to cities in Illinois

Click on the cities below to find out when it's cheapest to fly to Illinois from Australia
Chicago
Chicago

Cheap Illinois flight deals and tips

Summary info about Illinois flight prices, duration and airlines

Best One-Way Price

$719

Best Round-Trip Price

$1,479

Fastest flight time

20h 24m
The best one-way flight price to Illinois from Australia in the last 72 hours is $719 (Sydney Kingsford Smith to Chicago O'Hare Intl).
The best round-trip flight price to Illinois from Australia in the last 72 hours is $1,479 (Sydney Kingsford Smith to Chicago O'Hare Intl).
The fastest flight to Illinois from Australia takes 20h 24m (Sydney Kingsford Smith to Lambert-St Louis).

Frequently asked questions about flying to Illinois

What is the cheapest flight I can find to Illinois?

For prices as low as $48/pp, you can find flights to Illinois depending on where you are departing from. On average, flights to Illinois cost $745/pp.

What is the best airport to fly into to visit Chicago?

I plan on visiting River North. Which airport is the quickest drive?

The closest airport to River North is Chicago O'Hare Intl Airport, and would make for the quickest drive. For those interested in a secondary airport to fly into, consider looking at flights heading to Chicago Midway Airport.

What are the most popular landmarks in Illinois?

What is the weather like in Illinois?

The temperatures in Illinois range from -5 °C to 23 °C depending on the time of year. The warmest month in Illinois is July, and the coldest month in Illinois is January. Those looking for a drier month during their visit should travel during the months of January, February, or December, when rain is least likely compared to the rest of the year.

Which airlines fly to Illinois?

What is the best day of the week to fly to Illinois?

The best day of the week to fly to Illinois is Tuesday due to prices being at their lowest. Flying out on a Monday should be a backup plan since this day tends to be less expensive as well. Saturday, on the other hand, is the most expensive day to fly to Illinois.

When did momondo last update prices for flights to Illinois?

Prices for flights to Illinois refresh daily.

How many operators does momondo search for flights to Illinois?

How old do you have to be to fly to Illinois?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Illinois.

What documentation or ID do you need to fly to Illinois?

The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights to Illinois. Millions of users trust and use momondo every year so you are in good company.

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

Yes. momondo enables you to select and highlight flights to Illinois with this policy.

How can momondo help me find flights to Illinois?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as filter your options to help you make an informed choice when booking flights to Illinois.

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

Yes. momondo can track flight prices for Illinois and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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1 adult
Wed 2/7
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Find better results for your trip to Illinois

Popular Flights to Illinois

Popular routes according to searches in the past day on momondo

Cheapest flight routes to Illinois

These routes have the cheapest flights to Illinois found by momondo users in Australia
DepartingDestinationBest TimeBest Price
MelbourneChicago23h 11m$1,451
SydneyChicago22h 47m$1,538
SydneySt. Louis26h 28m$1,612
BrisbaneChicago28h 01m$1,641
CoolangattaChicago29h 59m$1,714
AdelaideChicago26h 34m$1,771
PerthChicago33h 40m$1,870
BrisbaneSt. Louis43h 58m$1,937
CairnsChicago26h 17m$2,284
MelbourneSt. Louis37h 33m$2,368
BrisbaneMoline38h 52m$2,592
MelbourneBloomington28h 53m$2,821
LauncestonSt. Louis34h 27m$2,957
TownsvilleChicago30h 27m$2,994
DevonportSt. Louis34h 27m$3,134