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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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SYD
dic. 27 — ene. 31
vie. 12/27
vie. 1/3
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 diciembre 22, 2024.

Round-trip from

$866
(Justfly.com)

One-way from

$463
(American Airlines)
From Illinois to Sydney Kingsford Smith
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One-way flight from Illinois to Sydney Kingsford Smith
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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 diciembre 22, 2024.

This Justfly.com deal was found by Cheapflights users on 12/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/278:25 pmORD - SYD
1 stop43h 35mQantas Airways
jue. 1/1611:15 amSYD - ORD
1 stop25h 16mQantas Airways
Deal found 12/21$866
This American Airlines deal was found by Cheapflights users on 12/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/252:14 pmORD - SYD
2 stops23h 21mAmerican Airlines
vie. 12/279:25 pmSYD - ORD
1 stop25h 21mAmerican Airlines
Deal found 12/21$868
This Jetabroad deal was found by Cheapflights users on 12/21. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/238:25 pmORD - SYD
1 stop43h 35mMultiple Airlines
sáb. 12/2810:15 pmSYD - ORD
2 stops31h 44mMultiple Airlines
Deal found 12/21$1,226
This Justfly.com deal was found by Cheapflights users on 12/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/249:50 amORD - SYD
2 stops30h 45mAir Canada
dom. 12/2911:20 amSYD - ORD
3 stops40h 34mAir Canada
Deal found 12/21$1,530
This United Airlines deal was found by Cheapflights users on 12/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/266:15 amORD - SYD
1 stop33h 50mUnited Airlines
dom. 1/124:15 pmSYD - ORD
1 stop24h 04mUnited Airlines
Deal found 12/21$1,746
This Delta deal was found by Cheapflights users on 12/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/3011:48 amMDW - SYD
2 stops27h 47mDelta
jue. 1/1611:05 amSYD - MDW
2 stops28h 15mDelta
Deal found 12/21$1,769
This Gurufare deal was found by Cheapflights users on 12/21. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/258:30 amSTL - SYD
2 stops31h 15mAir New Zealand
vie. 12/2712:10 pmSYD - STL
1 stop29h 18mAir New Zealand
Deal found 12/21$2,350
This KAYAK deal was found by Cheapflights users on 12/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/238:25 pmORD - SYD
3 stops52h 15mAir Tahiti Nui
lun. 12/307:15 pmSYD - ORD
3 stops41h 29mAir Tahiti Nui
Deal found 12/21$2,416
This Priceline deal was found by Cheapflights users on 12/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/241:44 pmSTL - SYD
2 stops26h 51mMultiple Airlines
jue. 12/265:25 pmSYD - STL
1 stop23h 02mMultiple Airlines
Deal found 12/21$2,441
This Kiwi.com deal was found by Cheapflights users on 12/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/239:45 pmORD - SYD
1 stop42h 20mAir New Zealand
dom. 12/2911:45 amSYD - ORD
2 stops25h 04mAir New Zealand
Deal found 12/20$2,593
This KAYAK deal was found by Cheapflights users on 12/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/255:29 pmSTL - SYD
1 stop20h 06mQantas Airways
vie. 12/275:25 pmSYD - STL
1 stop23h 02mQantas Airways
Deal found 12/21$2,630
This KAYAK deal was found by Cheapflights users on 12/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/256:00 amMDW - SYD
2 stops31h 55mKorean Air
sáb. 12/289:10 amSYD - MDW
2 stops48h 14mKorean Air
Deal found 12/21$3,084

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 diciembre 22, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

mié. 2/5

3:20 pm-7:25 am

1 stop23h 05m

Sydney Kingsford Smith

mié. 2/12

11:15 am-5:38 pm

2 stops23h 23m

$866

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

dom. 3/9

7:13 pm-9:00 am

1 stop21h 47m

Sydney Kingsford Smith

sáb. 3/22

5:25 pm-11:59 pm

1 stop22h 34m

$869

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

lun. 2/3

5:40 pm-9:00 am

1 stop22h 20m

Sydney Kingsford Smith

mar. 2/11

11:15 am-3:59 pm

1 stop21h 44m

$870

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

vie. 5/9

7:15 am-7:15 pm

2 stops45h 00m

Sydney Kingsford Smith

dom. 5/18

8:55 pm-4:59 am

2 stops47h 04m

$1,042

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

sáb. 3/1

4:55 pm-12:30 pm

2 stops26h 35m

Sydney Kingsford Smith

sáb. 3/15

2:30 pm-9:07 pm

2 stops22h 37m

$1,160

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

mar. 2/4

5:12 pm-12:30 pm

2 stops26h 18m

Sydney Kingsford Smith

mar. 2/11

2:00 pm-7:30 pm

2 stops22h 30m

$1,202

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

dom. 6/1

1:30 pm-7:20 am

2 stops26h 50m

Sydney Kingsford Smith

mié. 6/11

9:20 am-3:16 pm

2 stops44h 56m

$1,227

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

dom. 2/2

11:35 am-9:35 am

2 stops29h 00m

Sydney Kingsford Smith

mar. 2/25

11:20 am-7:55 pm

2 stops25h 35m

$1,239

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

jue. 5/8

7:55 pm-12:15 pm

2 stops25h 20m

Sydney Kingsford Smith

sáb. 5/17

1:45 pm-10:24 pm

2 stops23h 39m

$1,300

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

mié. 2/19

7:00 pm-7:45 pm

2 stops31h 45m

Sydney Kingsford Smith

vie. 2/28

9:40 pm-5:00 pm

2 stops36h 20m

$1,304

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 50 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 $1,051). 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 diciembre 22, 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 diciembre 22, 2024.
See what other customers who have flown with Delta, American 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.
Air Tahiti Nui
8.7
Very good
63 reviews

Food

7.7

Boarding

8.6

Comfort

8.0

Crew

9.0

Entertainment

7.2

Overall

8.7

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
63 reviews
Air Tahiti Nui
8.7
Very good
63 reviews

Food

7.7

Boarding

8.6

Comfort

8.0

Crew

9.0

Entertainment

7.2

Overall

8.7

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
844 reviews
Air Tahiti Nui
8.7
Very good
63 reviews

Food

7.7

Boarding

8.6

Comfort

8.0

Crew

9.0

Entertainment

7.2

Overall

8.7

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
8.4
Very good
1,025 reviews
Air Tahiti Nui
8.7
Very good
63 reviews

Food

7.7

Boarding

8.6

Comfort

8.0

Crew

9.0

Entertainment

7.2

Overall

8.7

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.

Fiji Airways
8.1
Very good
191 reviews
Air Tahiti Nui
8.7
Very good
63 reviews

Food

7.7

Boarding

8.6

Comfort

8.0

Crew

9.0

Entertainment

7.2

Overall

8.7

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.

Delta
8.0
Very good
8,597 reviews
Air Tahiti Nui
8.7
Very good
63 reviews

Food

7.7

Boarding

8.6

Comfort

8.0

Crew

9.0

Entertainment

7.2

Overall

8.7

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 $600 and $775 on Fiji Airways and Air Canada, 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 $1,051). 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.

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 2,558,603 searches. Data last updated diciembre 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$842Average$1,352FlexibilityNo cancel feeOn-time71%
DeltaCheapest$851Average$983FlexibilityNo cancel feeOn-timeN/A
Qantas AirwaysCheapest$852Average$1,313FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$916Average$1,612FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$956Average$1,308FlexibilityNo cancel feeOn-time67%
Cathay PacificCheapest$1,138Average$1,317FlexibilityNo cancel feeOn-time72%
Air New ZealandCheapest$1,197Average$1,321FlexibilityNo cancel feeOn-time78%
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