$358+ Cheap flights from Illinois to Sydney (SYD)
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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Illinois to Sydney with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Illinois to Sydney
Keep the following information in mind while searching for Illinois to Sydney flight deals. Data was last updated February 20, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $821 (Justfly.com) |
One-way from | $358 (Yatra.com) |
Popular in | December |
Cheapest in | August |
Average price | $935 |
Find flight deals from Illinois to Sydney
Cheapest flights from Illinois to SydneyExplore the most affordable flight options available from Illinois to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.
Explore the most affordable flight options available from Illinois to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.
This Justfly.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Flighttix deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Trip.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This KAYAK deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This oojo deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Gurufare deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Canada deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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 2,558,603 searches. Data last updated February 20, 2025.
Fly from
Fly to
Route
Depart
Return
Price
ChicagoSydney
ORD - SYD
ORDSYD
Chicago O'Hare Intl
Sat 3/8
8:20 pm-7:25 am
1 stop42h 05m
Sydney Kingsford Smith
Sun 3/16
11:15 am-11:59 pm
1 stop28h 44m
ChicagoSydney
ORD - SYD
ORDSYD
Chicago O'Hare Intl
Sun 4/13
9:45 am-6:35 am
1 stop29h 50m
Sydney Kingsford Smith
Tue 6/3
5:35 pm-10:43 pm
1 stop20h 08m
ChicagoSydney
ORD - SYD
ORDSYD
Chicago O'Hare Intl
Sun 2/23
8:31 am-6:10 am
1 stop28h 39m
Sydney Kingsford Smith
Sun 3/9
11:50 am-8:06 pm
1 stop25h 16m
ChicagoSydney
ORD - SYD
ORDSYD
Chicago O'Hare Intl
Sun 4/6
5:45 pm-7:15 pm
1 stop34h 30m
Sydney Kingsford Smith
Sun 4/13
9:10 am-11:59 pm
1 stop29h 49m
ChicagoSydney
ORD - SYD
ORDSYD
Chicago O'Hare Intl
Tue 3/18
1:26 pm-7:45 am
2 stops26h 19m
Sydney Kingsford Smith
Tue 3/25
10:05 am-5:46 pm
2 stops23h 41m
ChicagoSydney
MDW - SYD
MDWSYD
Chicago Midway
Mon 3/17
9:54 am-7:45 am
2 stops29h 51m
Sydney Kingsford Smith
Sun 9/21
9:25 am-9:47 pm
2 stops27h 22m
St. LouisSydney
STL - SYD
STLSYD
Lambert-St Louis
Sat 5/10
7:05 pm-11:45 am
2 stops25h 40m
Sydney Kingsford Smith
Sat 5/31
1:45 pm-10:47 pm
2 stops24h 02m
ChicagoSydney
ORD - SYD
ORDSYD
Chicago O'Hare Intl
Sat 5/10
6:45 pm-11:45 am
2 stops26h 00m
Sydney Kingsford Smith
Sat 5/17
1:45 pm-8:27 pm
2 stops21h 42m
ChicagoSydney
ORD - SYD
ORDSYD
Chicago O'Hare Intl
Wed 4/30
3:52 pm-10:35 am
2 stops27h 43m
Sydney Kingsford Smith
Sat 5/10
6:20 pm-10:58 pm
2 stops43h 38m
St. LouisSydney
STL - SYD
STLSYD
Lambert-St Louis
Tue 3/11
3:50 pm-8:35 am
2 stops48h 45m
Sydney Kingsford Smith
Tue 3/25
10:25 am-3:06 pm
2 stops44h 41m
Best time to book a flight from Illinois to Sydney
Have a flexible travel schedule? Discover the best time to fly to Sydney from Illinois with our price prediction graph.
Travel insights for flights from Illinois to Sydney
Get recent, data-driven insights about flights from Illinois to Sydney including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from Illinois to Sydney?
Currently, February is the cheapest month in which you can book a flight from Illinois to Sydney (average of $1,051). Flying from Illinois to Sydney in December is currently the most expensive (average of $1,643). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from IL to SYD?
Find hourly flight availability from Illinois to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.
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.
Rainfall in Sydney by month
Plan your trip to Sydney by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Sydney ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.
Temperature in Sydney by month
Plan your trip to Sydney by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).
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 February 20, 2025.
See what other customers who have flown with ANA, Japan Airlines and Fiji 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.
Crew
Food
Comfort
Overall
Boarding
Entertainment
Reviews
Anonymous,Feb 2025
MNL - HND
Crew
Food
Comfort
Overall
Boarding
Entertainment
Reviews
Anonymous,Feb 2025
MNL - HND
Crew
Food
Comfort
Overall
Boarding
Entertainment
Reviews
Anonymous,Feb 2025
MNL - HND
Crew
Food
Comfort
Overall
Boarding
Entertainment
Reviews
Anonymous,Feb 2025
MNL - HND
Crew
Food
Comfort
Overall
Boarding
Entertainment
Reviews
Anonymous,Feb 2025
MNL - HND
Crew
Food
Comfort
Overall
Boarding
Entertainment
Reviews
Anonymous,Feb 2025
MNL - HND
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 Sydney
See prices for flight routes from nearby airports that may be better suited for you.
Top 8 airlines flying from Illinois to Sydney
Discover the top 8 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 2,558,603 searches. Data last updated February 20, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$679 | Average$781 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$814 | Average$1,185 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$827 | Average$877 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$851 | Average$983 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$958 | Average$1,282 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$1,087 | Average$1,605 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,138 | Average$1,317 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$1,197 | Average$1,275 | FlexibilityNo cancel fee | On-time78% |