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Cheap flights to Illinois from $1,003

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 17/9. 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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Recent flights found to popular cities in Illinois

Find flights to these popular cities in Illinois from your nearest airport.
United Airlines
17 Sept
SYD
34h 37m
2 stops
ORD
15 Oct
ORD
42h 50m
1 stop
SYD
United Airlines
23 July
SYD
29h 25m
1 stop
ORD
27 Aug
ORD
44h 00m
2 stops
SYD
United Airlines
26 Aug
SYD
38h 14m
2 stops
ORD
13 Sept
ORD
25h 35m
1 stop
SYD
United Airlines
14 Aug
SYD
35h 58m
2 stops
ORD
4 Sept
ORD
26h 50m
1 stop
SYD
United Airlines
17 Sept
SYD
34h 37m
2 stops
ORD
14 Oct
ORD
29h 20m
1 stop
SYD
American Airlines
13 June
SYD
21h 50m
2 stops
ORD
26 June
ORD
42h 50m
1 stop
SYD
American Airlines
13 June
SYD
27h 37m
1 stop
ORD
26 June
ORD
42h 50m
1 stop
SYD
United Airlines
13 June
SYD
35h 27m
2 stops
ORD
15 July
ORD
33h 55m
1 stop
SYD
Qantas Airways
17 Sept
SYD
34h 59m
1 stop
ORD
14 Oct
ORD
26h 25m
1 stop
SYD
American Airlines
24 Sept
SYD
30h 09m
1 stop
ORD
13 Oct
ORD
21h 25m
1 stop
SYD
United Airlines
5 Oct
SYD
34h 24m
2 stops
ORD
26 Oct
ORD
42h 08m
1 stop
SYD
American Airlines
24 Sept
SYD
30h 09m
1 stop
ORD
13 Oct
ORD
23h 44m
2 stops
SYD

Illinois flights insights and trends

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

How long is the flight from Australia to Illinois?

If you’re flying from a popular airport in Australia, such as Sydney Kingsford Smith or Melbourne, and flying into the most popular airport in Illinois (Chicago O'Hare Intl), then you can expect flight times to average 21h 22m and 23h 16m, respectively.

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 Thursday should be a backup plan since this day tends to be less expensive as well. Sunday, on the other hand, is the most expensive day to fly to Illinois.

Which airlines fly to Illinois?

There are 13 airlines that fly to Illinois on a routine basis, but Air Canada, Qantas Airways and Air New Zealand happen to be the most popular among our users. In the past year, 31% of those who searched for flights to Illinois looked to travel with Air Canada, making this airline the top choice among momondo travellers.

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

$1,005

Best Round-Trip Price

$1,003

Fastest flight time

23h 41m

Operated By

7 airlines
The best one-way flight price to Illinois from Australia in the last 72 hours is $1,005 (Sydney Kingsford Smith to Chicago O'Hare Intl).
The best round-trip flight price to Illinois from Australia in the last 72 hours is $1,003 (Sydney Kingsford Smith to Chicago O'Hare Intl).
The fastest flight to Illinois from Australia takes 23h 41m (Sydney Kingsford Smith to Chicago O'Hare Intl).
There are 7 airlines operating flights to Illinois, including American Airlines, United Airlines and Korean Air.

Useful information for your flight to Illinois

Get up-to-date answers for some of the most frequently asked questions regarding flying to Illinois

What is the cheapest flight I can find to Illinois?

For prices as low as $69/pp, you can find flights to Illinois depending on where you are departing from. On average, flights to Illinois cost $668/pp.

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

I plan on visiting Wrigley Field. Which airport is the quickest drive?

The closest airport to Wrigley Field 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.

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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Cheapest flight routes to Illinois

These routes have the cheapest flights to Illinois found by momondo users in Australia
DepartingDestinationBest TimeBest Price
SydneyChicago21h 22m$1,558
BrisbaneChicago23h 04m$1,714
MelbourneChicago23h 16m$1,780
MelbourneSt. Louis26h 12m$1,825
BrisbaneSt. Louis39h 58m$1,961
PerthChicago34h 00m$1,988
AdelaideChicago31h 36m$2,123
CoolangattaChicago41h 03m$2,727
LauncestonSt. Louis33h 50m$3,233
SydneySt. Louis38h 45m$3,302
DevonportSt. Louis33h 30m$3,331
TownsvilleChicago44h 20m$3,370
MelbourneBloomington38h 37m$3,833
CairnsChicago32h 59m$4,237
BrisbaneMoline38h 47m$5,103