Cheap flights from New South Wales to Illinois from $729
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New South Wales to Illinois departing on 15/8. 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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1 adult
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Air New Zealand flights from New South Wales to Illinois
Our best Air New Zealand deals on New South Wales to Illinois flight tickets
Air New Zealand![Air New Zealand]()
4 Aug![Air New Zealand]()
9 Aug
SYD09:55Sydney Kingsford Smith
28h 04m
2 stops
ORD22:59Chicago O'Hare Intl
ORD16:50Chicago O'Hare Intl
24h 55m
2 stops
SYD08:45Sydney Kingsford Smith
Air New Zealand![Air New Zealand]()
24 July![Air New Zealand]()
5 Aug
SYD11:50Sydney Kingsford Smith
27h 09m
2 stops
ORD23:59Chicago O'Hare Intl
ORD15:35Chicago O'Hare Intl
26h 10m
2 stops
SYD08:45Sydney Kingsford Smith
American Airlines flights from New South Wales to Illinois
Our best American Airlines deals on New South Wales to Illinois flight tickets
American Airlines![American Airlines]()
18 Aug![American Airlines]()
8 Nov
SYD17:45Sydney Kingsford Smith
45h 31m
2 stops
STL00:16Lambert-St Louis
STL09:39Lambert-St Louis
28h 16m
1 stop
SYD06:55Sydney Kingsford Smith
American Airlines![American Airlines]()
18 Aug![American Airlines]()
8 Nov
SYD12:10Sydney Kingsford Smith
23h 12m
1 stop
STL20:22Lambert-St Louis
STL06:15Lambert-St Louis
33h 45m
1 stop
SYD09:00Sydney Kingsford Smith
See travel insights to Illinois from
How to get the cheapest flight ticket from New South Wales to Illinois
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
Prices
Airlines
What is the cheapest month to fly to Illinois?
In general, March is the cheapest month to fly from New South Wales to Illinois. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,138. If you’re not able to fly to Illinois in March, then May is your next best option. Flight prices from New South Wales to Illinois during May average around $1,138.
What is the cheapest day to depart on your flight to Illinois?
On average, the least expensive day to fly to Illinois from New South Wales is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $1,708. 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 $2,011. These prices are subject to change though, so be sure to set up a Price Alert for flights to Illinois.
What is the cheapest time of day to depart on your flight to Illinois?
According to our data, the cheapest time of day to fly to Illinois is in the afternoon. momondo users have found flights departing from New South Wales to Illinois in the afternoon for as low as $1,705. 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 Illinois are more costly in the morning, with an average ticket price of $1,886. 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 Illinois?
You are more likely to see cheaper flights to Illinois from New South Wales when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $1,560 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from New South Wales for as low as $1,290 on momondo.
What is the cheapest airline that flies from New South Wales to Illinois?
American Airlines, Air Canada, and Cathay Pacific are the most popular carriers operating from New South Wales to Illinois
Which airlines fly to Illinois?
Qantas Airways, Air Canada and United Airlines are the top three most popular airlines that fly to Illinois from New South Wales according to our data. Qantas Airways is the first choice among our users, with 65% of people opting to fly with this airline when travelling to Illinois. Keep in mind that there are 7 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.
Cheap New South Wales to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from New South Wales to Illinois
When did momondo last update prices for flights from New South Wales to Illinois?
Prices for flights from New South Wales to Illinois are refreshed on a daily basis.
How many operators does momondo search for flights from New South Wales to Illinois?
As of July 2025, there are 7 operators available to choose from for flights from New South Wales to Illinois.
How old do you have to be to fly from New South Wales to Illinois?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from New South Wales to Illinois.
What documentation or ID do you need to fly to Illinois?
The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Best airlines flying from New South Wales to Illinois
Compare and see reviews for airlines that fly from New South Wales to Illinois with momondo
| Airline | Rating | Free cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $1,006 | Free cancellation | Rating 7.5 872 reviews | |||
| PriceFrom $1,186 | Free cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $1,265 | Free cancellation | Rating 7.1 9,678 reviews | |||
| PriceFrom $1,550 | Free cancellation | Rating 8.0 486 reviews | |||
| PriceFrom $1,597 | Free cancellation | Rating 8.4 893 reviews | |||
| PriceFrom $1,680 | Free cancellation | Rating 7.4 8,861 reviews | |||
| PriceFrom $1,753 | Free cancellation | Rating 7.5 409 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from New South Wales to Illinois?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from New South Wales to Illinois . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from New South Wales to Illinois with flexible booking policies on momondo?
All flight searches from New South Wales to Illinois on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from New South Wales to Illinois?
Once all potential New South Wales to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from New South Wales to Illinois right now. Can momondo alert me if prices change?
Price alerts on flights to Illinois from New South Wales are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.
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