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$430+ 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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SYD
Nov 9 — Nov 161
Sat 11/9
Sat 11/16
1 adult, Economy
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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 November 4, 2024.

This oojo deal was found by Cheapflights users on 11/4. 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.
Mon 12/25:00 pmORD - SYD
1 stop23h 00mQantas Airways
Fri 12/611:15 amSYD - ORD
1 stop25h 20mQantas Airways
Deal found 11/4$957
This American Airlines deal was found by Cheapflights users on 11/4. 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.
Tue 11/59:49 amORD - SYD
1 stop28h 36mAmerican Airlines
Tue 11/1211:50 amSYD - ORD
2 stops22h 09mAmerican Airlines
Deal found 11/4$1,039
This Mytrip deal was found by Cheapflights users on 11/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/205:15 amORD - SYD
3 stops35h 20mMultiple Airlines
Tue 11/262:00 pmSYD - ORD
3 stops31h 35mMultiple Airlines
Deal found 11/3$1,295
This Air Canada deal was found by Cheapflights users on 11/3. 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.
Tue 12/33:50 pmSTL - SYD
2 stops48h 45mAir Canada
Mon 12/1611:20 amSYD - STL
2 stops44h 46mAir Canada
Deal found 11/3$1,338
This Booking.com deal was found by Cheapflights users on 11/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/57:15 amORD - SYD
2 stops34h 15mANA
Tue 11/269:45 pmSYD - ORD
2 stops33h 34mANA
Deal found 11/3$1,400
This Air Canada deal was found by Cheapflights users on 11/2. 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.
Tue 12/318:45 amORD - SYD
2 stops29h 10mAir Canada
Sun 1/1911:20 amSYD - ORD
2 stops37h 45mAir Canada
Deal found 11/2$1,413
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Mon 12/308:50 amORD - SYD
1 stop31h 15mUnited Airlines
Fri 1/1012:10 pmSYD - ORD
2 stops27h 35mUnited Airlines
Deal found 11/3$1,414
This Delta deal was found by Cheapflights users on 11/3. 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 12/3111:48 amMDW - SYD
2 stops27h 47mDelta
Sun 1/1911:05 amSYD - MDW
2 stops28h 15mDelta
Deal found 11/3$1,448
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Sun 12/88:30 amSTL - SYD
2 stops31h 45mUnited Airlines
Sun 12/224:15 pmSYD - STL
1 stop25h 13mUnited Airlines
Deal found 11/3$1,497
This Delta deal was found by Cheapflights users on 11/3. 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 12/33:34 pmORD - SYD
2 stops24h 01mDelta
Tue 12/1011:05 amSYD - ORD
2 stops27h 58mDelta
Deal found 11/3$1,523
This Delta deal was found by Cheapflights users on 11/3. 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 12/37:55 amSTL - SYD
2 stops31h 40mDelta
Tue 12/1011:05 amSYD - STL
2 stops23h 35mDelta
Deal found 11/3$1,523
This Air New Zealand deal was found by Cheapflights users on 11/3. 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 New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/31:39 pmSTL - SYD
3 stops27h 46mMultiple Airlines
Tue 12/109:55 amSYD - STL
3 stops27h 46mMultiple Airlines
Deal found 11/3$1,618

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 2,455,398 searches. Data last updated November 4, 2024.

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Route

Depart

Return

Price

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Mon 1/20

3:20 pm-7:25 am

1 stop23h 05m

$462

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Thu 11/7

5:00 pm-9:00 am

1 stop23h 00m

$535

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Tue 12/3

3:26 pm-7:45 pm

2 stops35h 19m

$676

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Wed 1/22

12:45 pm-6:20 am

1 stop24h 35m

$785

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Mon 1/20

7:05 am-8:35 am

2 stops32h 30m

$790

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sun 11/10

7:15 am-10:30 am

2 stops34h 15m

$812

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Thu 11/7

12:01 pm-8:20 pm

3 stops63h 19m

$902

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Fri 12/27

9:13 pm-6:55 am

2 stops40h 42m

$1,083

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Thu 1/2

8:30 pm-6:30 pm

2 stops53h 00m

$1,148

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Tue 1/7

5:40 pm-8:40 pm

3 stops34h 00m

$1,230

Flights are sorted by cheapest first

Deals found on 11/3

Showing 1-10 of 42 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 $1,066). Flying from Illinois to Sydney in December is currently the most expensive (average of $1,334). 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 4, 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 4, 2024.
See what other customers who have flown with United Airlines, American Airlines and Delta 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

Entertainment

7.2

Food

7.7

Comfort

8.0

Overall

8.7

Boarding

8.5

Crew

8.9

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

Entertainment

7.2

Food

7.7

Comfort

8.0

Overall

8.7

Boarding

8.5

Crew

8.9

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
1,034 reviews
Air Tahiti Nui
8.7
Very good
68 reviews

Entertainment

7.2

Food

7.7

Comfort

8.0

Overall

8.7

Boarding

8.5

Crew

8.9

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
831 reviews
Air Tahiti Nui
8.7
Very good
68 reviews

Entertainment

7.2

Food

7.7

Comfort

8.0

Overall

8.7

Boarding

8.5

Crew

8.9

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
1,453 reviews
Air Tahiti Nui
8.7
Very good
68 reviews

Entertainment

7.2

Food

7.7

Comfort

8.0

Overall

8.7

Boarding

8.5

Crew

8.9

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

Entertainment

7.2

Food

7.7

Comfort

8.0

Overall

8.7

Boarding

8.5

Crew

8.9

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.

  • Can I find flights from Illinois to Sydney for under $800 on Cheapflights?

    Yes, there are multiple flights from Illinois to Sydney for under $800. The cheapest flight booked recently is on Qantas Airways for just $793, but on average you can expect to pay $1,512.

  • Are there last-minute flights available from Illinois to Sydney for under $900?

    There are currently 14+ open flights from Illinois to Sydney within the next 7 days for less than $900.

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

    For one-way options, check prices for Qantas Airways. According to our data, you can fly for as low as $430. Users have also found prices from $462 and $728 on American Airlines 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.

  • What does ORD to SYD mean?

    This is defined as Chicago O'Hare Intl Airport (ORD) and Sydney Kingsford Smith Airport (SYD). Codes like Sydney Kingsford Smith Airport are often used to just call airports uniquely. Ready for more IATA code knowledge? These are related airports for your current travel destination: Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Champaign University-Willard Airport (CMI).

  • Can I find deals for flights from Illinois to Sydney that include extra baggage allowance?

    The amount of baggage you can bring on your Illinois to Sydney flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Illinois to Sydney with specific airlines?

    Yes, Cheapflights allows you to browse and filter Illinois to Sydney flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Illinois to Sydney that allow pets onboard?

    Many airlines flying from Illinois to Sydney offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Illinois to Sydney?

    Yes, you can often find last-minute deals on Illinois to Sydney flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Illinois to Sydney flight deals updated?

    The Illinois to Sydney flight deals you see on this page were last updated on 11/4.

  • 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 $1,066). Flying from Illinois to Sydney in December is currently the most expensive (average of $1,334). 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 2,455,398 searches. Data last updated November 4, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$839Average$1,561FlexibilityNo cancel feeOn-time71%
DeltaCheapest$853Average$984FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$915Average$1,467FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$958Average$1,325FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$958Average$1,397FlexibilityNo cancel feeOn-time74%
Cathay PacificCheapest$1,138Average$1,317FlexibilityNo cancel feeOn-time72%
Air New ZealandCheapest$1,211Average$1,535FlexibilityNo cancel feeOn-time78%
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