Cheap flights from Illinois to Sydney (SYD) from $667
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/30. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
How far in advance should I book a flight from Illinois to Sydney?
Travelers have found it’s best to book a flight 15 days in advance to save up to 134% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 15 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Illinois to Sydney 1-2 weeks in advance for as low as $1,287, or $1,886 for flights within the next 24 hours.
What is the cheapest month to fly from Illinois to Sydney?
Flights from Illinois to Sydney lean towards being more expensive in December. Prices are generally better when you fly from Illinois to Sydney in October, with the cheapest ticket starting at $859.
When is the cheapest time to fly from Illinois to Sydney (IL - SYD)?
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Sydney as you normally would.
Cheap Korean Air flights from Illinois to Sydney
Explore cheap flight options specifically provided by Korean Air for the route between Illinois and Sydney. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,192,047 searches. Data last updated April 18, 2024.
Take a peek at the cheapest Korean Air flights we've detected traveling from Illinois to Sydney. Come back soon if you're not finding the exact deal you're looking for.
Cheap American Airlines flights from Illinois to Sydney
Explore cheap flight options specifically provided by American Airlines for the route between Illinois and Sydney. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,192,047 searches. Data last updated April 18, 2024.
Take a gander at the lowest prices we've found on American Airlines flights from Illinois to Sydney. Deals frequently update to provide users with more options.
Cheap Illinois to Sydney flights in April & May 2024
Find cheap flight options from Illinois to Sydney specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,192,047 searches. Prices were last updated on April 18, 2024.
Listed are some of the best fares we've found on flights departing from Illinois to Sydney in 2024. More deals are always being added, so be sure to check back regularly.
Illinois to Sydney 2024 flight deals
Discover exclusive flight deals for travel between Illinois and Sydney in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,192,047 searches. Data last updated April 18, 2024.
Listed are some of the best fares we've found on flights departing from Illinois to Sydney in 2024. More deals are always being added, so be sure to check back regularly.
Illinois to Sydney flights leaving soon
Find last-minute flight options from Illinois to Sydney for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,192,047 searches. Data last updated April 18, 2024.
Have a look at some of the flights available from Illinois to Sydney departing last-minute. Users should be sure to double check the price, date, and time of their last-minute flight.
One-way flights to Sydney from Illinois
Search for one-way flight options from Illinois to Sydney. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,192,047 searches. Data last updated April 18, 2024.
Take a look at some of the one-way flights we've detected from Illinois to Sydney. Users in need of a round-trip flight from Illinois to Sydney instead should update the search form at the top of page.
Find flights from Illinois to Sydney within your budget
Customize your flight search to find flights from Illinois to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,192,047 searches. Data last updated April 18, 2024.
Fly from
Fly to
Budget
$941 - $1,602
Route
Depart
Return
Price
Chicago O'Hare IntlSydney Kingsford Smith
ORD - SYD
ORDSYD
Chicago O'Hare Intl
Tue 8/13
1 stop26h 45m
Sydney Kingsford Smith
Wed 8/21
1 stop25h 23m
Chicago O'Hare IntlSydney Kingsford Smith
ORD - SYD
ORDSYD
Chicago O'Hare Intl
Tue 9/10
1 stop21h 40m
Sydney Kingsford Smith
Wed 9/18
1 stop21h 59m
Chicago O'Hare IntlSydney Kingsford Smith
ORD - SYD
ORDSYD
Chicago O'Hare Intl
Wed 8/14
2 stops27h 35m
Sydney Kingsford Smith
Tue 9/3
2 stops24h 00m
Chicago O'Hare IntlSydney Kingsford Smith
ORD - SYD
ORDSYD
Chicago O'Hare Intl
Thu 9/12
1 stop25h 40m
Sydney Kingsford Smith
Wed 9/25
1 stop31h 35m
Lambert-St LouisSydney Kingsford Smith
STL - SYD
STLSYD
Lambert-St Louis
Wed 5/15
1 stop22h 03m
Sydney Kingsford Smith
Wed 5/22
1 stop29h 02m
Chicago O'Hare IntlSydney Kingsford Smith
ORD - SYD
ORDSYD
Chicago O'Hare Intl
Sat 10/12
2 stops32h 39m
Sydney Kingsford Smith
Sun 10/27
1 stop26h 35m
Chicago O'Hare IntlSydney Kingsford Smith
ORD - SYD
ORDSYD
Chicago O'Hare Intl
Mon 5/27
2 stops31h 35m
Sydney Kingsford Smith
Wed 6/5
2 stops37h 38m
Chicago O'Hare IntlSydney Kingsford Smith
ORD - SYD
ORDSYD
Chicago O'Hare Intl
Wed 9/11
1 stop21h 45m
Sydney Kingsford Smith
Mon 9/16
2 stops21h 39m
Chicago O'Hare IntlSydney Kingsford Smith
ORD - SYD
ORDSYD
Chicago O'Hare Intl
Mon 9/9
2 stops30h 05m
Sydney Kingsford Smith
Wed 9/25
2 stops23h 32m
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Sydney
Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated April 18, 2024.
See what other customers who have flown with Korean Air, American Airlines and Qantas Airways from Illinois to Sydney have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Food
Overall
Crew
Boarding
Comfort
Reviews
if you can put more multiples language agents in air service especially Chinese or French ,the customer who speaks those languages will be much happier than now
Entertainment
Food
Overall
Crew
Boarding
Comfort
Reviews
if you can put more multiples language agents in air service especially Chinese or French ,the customer who speaks those languages will be much happier than now
Entertainment
Food
Overall
Crew
Boarding
Comfort
Reviews
if you can put more multiples language agents in air service especially Chinese or French ,the customer who speaks those languages will be much happier than now
Entertainment
Food
Overall
Crew
Boarding
Comfort
Reviews
if you can put more multiples language agents in air service especially Chinese or French ,the customer who speaks those languages will be much happier than now
Entertainment
Food
Overall
Crew
Boarding
Comfort
Reviews
if you can put more multiples language agents in air service especially Chinese or French ,the customer who speaks those languages will be much happier than now
Entertainment
Food
Overall
Crew
Boarding
Comfort
Reviews
if you can put more multiples language agents in air service especially Chinese or French ,the customer who speaks those languages will be much happier than now
Related info for your journey
Find useful and relevant information for your journey from Illinois to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Illinois to SydneySee prices for flight routes from nearby airports that may be better suited for you.
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from Illinois to Sydney
Discover the top 10 airlines that operate flights from Illinois to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,192,047 searches. Data last updated April 18, 2024.
Search flights from Illinois to Sydney by cabin class
Find flights from Illinois to Sydney, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
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How does Cheapflights help users find flights from Illinois to Sydney?
Cheapflights makes it easy to find Illinois to Sydney flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Illinois to Sydney?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Sydney from Illinois.
Can Cheapflights find flights from Illinois to Sydney with no change fees?
Need flexible booking options for your flight to Sydney from Illinois? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Illinois to Sydney become cheaper?
Of course! You can now track prices for flights from Illinois to Sydney and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.