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$463+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SYD
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from Illinois to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 21, 2024.

Find flight deals from Illinois to Sydney

Cheapest flights from Illinois to Sydney
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 November 21, 2024.

This Ovago deal was found by Cheapflights users on 11/21. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/28:40 amORD - SYD
1 stop31h 20mQantas Airways
Fri 12/611:15 amSYD - ORD
1 stop25h 20mQantas Airways
Deal found 11/21$893
This Flysmarter deal was found by Cheapflights users on 11/20. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/63:23 pmORD - SYD
1 stop24h 37mBritish Airways
Sun 12/228:35 pmSYD - ORD
2 stops25h 37mBritish Airways
Deal found 11/20$920
This American Airlines deal was found by Cheapflights users on 11/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/309:50 amORD - SYD
1 stop28h 35mAmerican Airlines
Sun 1/195:25 pmSYD - ORD
1 stop29h 40mAmerican Airlines
Deal found 11/20$933
This Qantas Airways deal was found by Cheapflights users on 11/20. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/245:00 pmORD - SYD
1 stop21h 25mMultiple Airlines
Tue 11/2611:15 amSYD - ORD
1 stop23h 05mMultiple Airlines
Deal found 11/20$952
This Justfly.com deal was found by Cheapflights users on 11/20. 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.
Wed 12/258:45 amORD - SYD
2 stops53h 10mAir Canada
Sat 1/2511:20 amSYD - ORD
1 stop20h 19mAir Canada
Deal found 11/20$1,478
This FlightHub deal was found by Cheapflights users on 11/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/311:55 amORD - SYD
2 stops37h 35mTurkish Airlines
Tue 12/108:40 pmSYD - ORD
2 stops38h 55mTurkish Airlines
Deal found 11/20$1,671
This United Airlines deal was found by Cheapflights users on 11/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/34:05 pmORD - SYD
2 stops24h 00mUnited Airlines
Thu 12/1911:20 amSYD - ORD
1 stop20h 18mUnited Airlines
Deal found 11/20$1,758
This Delta deal was found by Cheapflights users on 11/19. 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.
Tue 11/2612:43 pmMDW - SYD
2 stops26h 52mDelta
Fri 12/1311:05 amSYD - MDW
2 stops24h 27mDelta
Deal found 11/19$1,771
This Delta deal was found by Cheapflights users on 11/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/127:05 amORD - SYD
2 stops32h 30mDelta
Thu 1/911:05 amSYD - ORD
2 stops27h 53mDelta
Deal found 11/20$1,821
This Delta deal was found by Cheapflights users on 11/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/126:00 amSTL - SYD
2 stops33h 35mDelta
Fri 12/2711:05 amSYD - STL
2 stops29h 35mDelta
Deal found 11/20$1,821
This Gotogate deal was found by Cheapflights users on 11/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/244:25 pmORD - SYD
1 stop25h 05mANA
Sun 12/19:45 pmSYD - ORD
2 stops48h 16mANA
Deal found 11/20$1,831
This oojo deal was found by Cheapflights users on 11/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2612:45 pmORD - SYD
3 stops62h 35mChina Southern
Fri 1/318:10 amSYD - ORD
2 stops37h 55mChina Southern
Deal found 11/20$1,841

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 2,629,791 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Thu 2/6

2:14 pm-7:25 am

1 stop24h 11m

Sydney Kingsford Smith

Thu 2/27

9:25 pm-5:42 am

1 stop25h 17m

$893

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sun 12/1

5:00 pm-9:00 am

1 stop23h 00m

Sydney Kingsford Smith

Tue 12/10

5:25 pm-11:59 pm

1 stop23h 34m

$896

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Fri 12/6

3:23 pm-9:00 am

1 stop24h 37m

Sydney Kingsford Smith

Sun 12/22

8:35 pm-5:12 am

2 stops25h 37m

$920

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sat 2/15

4:20 pm-7:25 am

1 stop22h 05m

Sydney Kingsford Smith

Wed 3/5

11:15 am-3:47 pm

1 stop21h 32m

$932

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Tue 5/6

9:05 pm-7:15 pm

2 stops31h 10m

Sydney Kingsford Smith

Mon 5/19

8:55 pm-8:40 am

1 stop26h 45m

$1,179

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Sat 3/8

3:50 pm-8:35 am

2 stops47h 45m

Sydney Kingsford Smith

Sat 3/22

10:20 am-3:06 pm

2 stops68h 46m

$1,184

EvansvilleSydney

EVV - SYD

EVVSYD

Evansville Dress Regional

Fri 4/4

11:37 am-8:05 am

2 stops28h 28m

Sydney Kingsford Smith

Wed 4/23

9:10 am-9:46 pm

2 stops27h 36m

$1,192

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Sat 3/8

1:05 pm-9:05 am

2 stops27h 00m

Sydney Kingsford Smith

Sat 3/22

12:10 pm-5:50 pm

1 stop21h 40m

$1,203

EvansvilleSydney

EVV - SYD

EVVSYD

Evansville Dress Regional

Fri 5/16

11:35 am-6:35 am

2 stops28h 00m

Sydney Kingsford Smith

Sat 5/31

9:25 am-10:03 pm

2 stops27h 38m

$1,216

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Fri 4/25

6:30 am-6:35 am

2 stops33h 05m

Sydney Kingsford Smith

Wed 5/7

9:25 am-6:01 pm

2 stops23h 36m

$1,216

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 48 results
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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.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 $1,062). Flying from Illinois to Sydney in December is currently the most expensive (average of $1,318). 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 November 21, 2024.

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 November 21, 2024.
See what other customers who have flown with American Airlines, Qantas Airways and ANA from Illinois to Sydney have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very good
68 reviews

Overall

8.7

Comfort

8.0

Crew

9.0

Entertainment

7.2

Food

7.7

Boarding

8.5

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Air Tahiti Nui
8.7
Very good
68 reviews
Air Tahiti Nui
8.7
Very good
68 reviews

Overall

8.7

Comfort

8.0

Crew

9.0

Entertainment

7.2

Food

7.7

Boarding

8.5

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Korean Air
8.5
Very good
1,025 reviews
Air Tahiti Nui
8.7
Very good
68 reviews

Overall

8.7

Comfort

8.0

Crew

9.0

Entertainment

7.2

Food

7.7

Boarding

8.5

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

ANA
8.4
Very good
833 reviews
Air Tahiti Nui
8.7
Very good
68 reviews

Overall

8.7

Comfort

8.0

Crew

9.0

Entertainment

7.2

Food

7.7

Boarding

8.5

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Japan Airlines
8.3
Very good
1,460 reviews
Air Tahiti Nui
8.7
Very good
68 reviews

Overall

8.7

Comfort

8.0

Crew

9.0

Entertainment

7.2

Food

7.7

Boarding

8.5

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Singapore Airlines
8.1
Very good
1,336 reviews
Air Tahiti Nui
8.7
Very good
68 reviews

Overall

8.7

Comfort

8.0

Crew

9.0

Entertainment

7.2

Food

7.7

Boarding

8.5

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

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.

  • What airport do you fly into for flights to Sydney from Illinois?

    If you book a flight to Sydney from Illinois, you will be flying to Kingsford Smith, which is the city’s only airport. Sydney Kingsford Smith (SYD) is located 4.6 mi from the center of Sydney.

  • What are the cheapest airlines to fly from Illinois to Sydney one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $463. Users have also found prices from $493 and $646 on Qantas Airways and ANA, respectively.

  • What are the most popular routes from Illinois to Sydney?

    While some choose either Chicago Midway - Sydney Kingsford Smith or Lambert-St Louis - Sydney Kingsford Smith, Chicago O'Hare Intl - Sydney Kingsford Smith is the most popular route from Illinois to Sydney.

  • Can I find deals for flights from Illinois to Sydney that include hotel bookings?

    Yes. In addition to deals on Illinois to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Sydney.

  • Can I find deals for business class flights from Illinois to Sydney?

    Yes. Cheapflights offers flight deals from Illinois to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 $1,062). Flying from Illinois to Sydney in December is currently the most expensive (average of $1,318). 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.

See more FAQs

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Top 7 airlines flying from Illinois to Sydney

Discover the top 7 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 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$846Average$1,434FlexibilityNo cancel feeOn-time71%
DeltaCheapest$853Average$984FlexibilityNo cancel feeOn-timeN/A
Qantas AirwaysCheapest$869Average$1,351FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$916Average$1,613FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$959Average$1,323FlexibilityNo cancel feeOn-time67%
Cathay PacificCheapest$1,138Average$1,244FlexibilityNo cancel feeOn-time72%
Air New ZealandCheapest$1,200Average$1,349FlexibilityNo cancel feeOn-time78%
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