Cheap flights from Illinois to Sydney (SYD) from $520

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 7/25. 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.
ORD — SYD
Jun 16 — Jun 231

How far in advance should I book a flight from Illinois to Sydney?

Travelers have found it’s best to book a flight 29 days in advance to save up to 54% 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 29 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 $1,220, or $1,417 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 February, with the cheapest ticket starting at $711.

What is the cheapest time of day to fly from IL to 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 Illinois to Sydney flights in June & July 2024

Find cheap flight options from Illinois to Sydney specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,117,830 searches. Prices were last updated on June 11, 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.
Tue 7/237:51 pmORD - SYD
2 stops24h 54mMultiple Airlines
Tue 7/301:15 pmSYD - ORD
2 stops31h 46mMultiple Airlines
Deal found 6/10$1,408
Tue 7/239:49 amORD - SYD
3 stops34h 56mMultiple Airlines
Tue 7/301:15 pmSYD - ORD
2 stops31h 46mMultiple Airlines
Deal found 6/10$1,431
Sun 7/286:29 amSTL - SYD
1 stop33h 36mAmerican Airlines
Sun 8/119:15 amSYD - STL
2 stops26h 28mAmerican Airlines
Deal found 6/10$1,438
Sun 7/281:45 pmSTL - SYD
2 stops26h 15mUnited Airlines
Sun 8/119:30 amSYD - STL
2 stops22h 07mUnited Airlines
Deal found 6/10$1,454
Tue 7/239:49 amORD - SYD
3 stops34h 56mMultiple Airlines
Tue 7/301:15 pmSYD - ORD
3 stops32h 21mMultiple Airlines
Deal found 6/10$1,500
Fri 7/265:30 pmSTL - SYD
2 stops22h 35mAmerican Airlines
Sun 8/49:15 amSYD - STL
1 stop28h 52mAmerican Airlines
Deal found 6/9$1,512
Fri 7/266:29 amSTL - SYD
1 stop33h 36mAmerican Airlines
Sun 8/49:15 amSYD - STL
1 stop28h 52mAmerican Airlines
Deal found 6/9$1,520
Wed 6/1210:55 amORD - SYD
2 stops29h 25mAir Canada
Wed 8/79:20 amSYD - ORD
1 stop35h 16mAir Canada
Deal found 6/10$1,523
Wed 6/1210:55 amORD - SYD
2 stops29h 25mAir Canada
Wed 8/79:20 amSYD - ORD
2 stops37h 38mAir Canada
Deal found 6/10$1,576

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 3,117,830 searches. Data last updated June 11, 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.
Tue 8/2012:45 pmORD - SYD
2 stops29h 00mAir New Zealand
Tue 8/2711:50 amSYD - ORD
2 stops25h 50mAir New Zealand
Deal found 6/10$1,202
Sun 9/87:30 amORD - SYD
2 stops34h 15mAir New Zealand
Tue 9/1711:50 amSYD - ORD
2 stops27h 08mAir New Zealand
Deal found 6/10$1,204
Sun 8/116:35 amORD - SYD
2 stops41h 05mMultiple Airlines
Sun 8/189:15 amSYD - ORD
1 stop48h 33mMultiple Airlines
Deal found 6/9$1,214
Tue 8/204:45 pmORD - SYD
2 stops26h 50mAir New Zealand
Tue 9/38:45 amSYD - ORD
2 stops28h 55mAir New Zealand
Deal found 6/9$1,226
Sun 9/12:10 pmORD - SYD
2 stops27h 35mAir New Zealand
Sun 9/88:45 amSYD - ORD
2 stops30h 21mAir New Zealand
Deal found 6/11$1,244
Tue 11/52:10 pmORD - SYD
2 stops25h 35mAir New Zealand
Tue 11/129:55 amSYD - ORD
2 stops30h 07mAir New Zealand
Deal found 6/10$1,248
Sun 8/257:30 amORD - SYD
2 stops34h 15mAir New Zealand
Thu 9/128:45 amSYD - ORD
2 stops26h 40mAir New Zealand
Deal found 6/10$1,250
Tue 8/204:05 pmORD - SYD
2 stops25h 40mAir New Zealand
Tue 9/38:45 amSYD - ORD
2 stops30h 21mAir New Zealand
Deal found 6/9$1,269
Sun 9/13:45 pmORD - SYD
2 stops26h 00mAir New Zealand
Mon 9/305:10 pmSYD - ORD
2 stops41h 47mAir New Zealand
Deal found 6/10$1,270

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 3,117,830 searches. Data last updated June 11, 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.
Tue 6/189:53 amORD - SYD
1 stop30h 12mQantas Airways
Sun 7/79:15 amSYD - ORD
1 stop25h 18mQantas Airways
Deal found 6/11$1,614
Mon 6/176:25 pmORD - SYD
1 stop21h 40mQantas Airways
Mon 6/249:15 amSYD - ORD
1 stop23h 13mQantas Airways
Deal found 6/10$1,615
Mon 6/172:57 pmORD - SYD
3 stops29h 48mMultiple Airlines
Mon 6/241:15 pmSYD - ORD
2 stops31h 34mMultiple Airlines
Deal found 6/10$1,617
Mon 6/173:40 pmORD - SYD
1 stop24h 40mMultiple Airlines
Wed 7/109:35 pmSYD - ORD
2 stops31h 46mMultiple Airlines
Deal found 6/11$1,637
Mon 6/173:40 pmORD - SYD
1 stop24h 40mMultiple Airlines
Wed 7/109:35 pmSYD - ORD
2 stops31h 46mMultiple Airlines
Deal found 6/10$1,639
Mon 6/172:15 pmORD - SYD
2 stops26h 05mMultiple Airlines
Wed 7/109:35 pmSYD - ORD
2 stops31h 46mMultiple Airlines
Deal found 6/11$1,643
Mon 6/172:15 pmORD - SYD
2 stops26h 05mMultiple Airlines
Wed 7/109:35 pmSYD - ORD
2 stops31h 46mMultiple Airlines
Deal found 6/10$1,644
Mon 6/172:57 pmORD - SYD
3 stops29h 48mMultiple Airlines
Mon 6/241:15 pmSYD - ORD
3 stops32h 21mMultiple Airlines
Deal found 6/10$1,684
Tue 6/185:34 pmORD - SYD
2 stops22h 31mAmerican Airlines
Sun 7/79:15 amSYD - ORD
1 stop20h 04mAmerican Airlines
Deal found 6/11$1,721

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 3,117,830 searches. Data last updated June 11, 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.
Thu 7/256:35 amORD - SYD
2 stops41h 05mMultiple Airlines
Deal found 6/10$520
Thu 7/255:50 pmORD - SYD
3 stops53h 50mMultiple Airlines
Deal found 6/10$605
Mon 8/128:30 pmORD - SYD
2 stops46h 15mMultiple Airlines
Deal found 6/9$665
Wed 9/184:09 pmMDW - SYD
3 stops48h 11mMultiple Airlines
Deal found 6/11$705
Wed 8/144:09 pmMDW - SYD
3 stops36h 36mMultiple Airlines
Deal found 6/10$735
Wed 8/144:09 pmMDW - SYD
2 stops36h 36mMultiple Airlines
Deal found 6/10$740
Wed 9/184:09 pmMDW - SYD
2 stops36h 36mMultiple Airlines
Deal found 6/11$744
Wed 8/147:30 pmORD - SYD
2 stops33h 15mMultiple Airlines
Deal found 6/10$807
Thu 8/88:34 pmORD - SYD
2 stops32h 11mMultiple Airlines
Deal found 6/11$832

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 3,117,830 searches. Data last updated June 11, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,202 - $1,555

Route

Depart

Return

Price

Chicago O'Hare IntlSydney Kingsford Smith

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Tue 8/20

2 stops29h 00m

Sydney Kingsford Smith

Tue 8/27

2 stops25h 50m

$1,202

Chicago O'Hare IntlSydney Kingsford Smith

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sun 8/11

2 stops41h 05m

Sydney Kingsford Smith

Sun 8/18

1 stop48h 33m

$1,214

Chicago O'Hare IntlSydney Kingsford Smith

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Mon 11/4

1 stop23h 55m

Sydney Kingsford Smith

Sun 11/10

1 stop21h 21m

$1,394

Chicago O'Hare IntlSydney Kingsford Smith

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Thu 10/3

1 stop25h 40m

Sydney Kingsford Smith

Wed 10/16

1 stop32h 05m

$1,395

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

Sun 7/28

1 stop33h 36m

Sydney Kingsford Smith

Sun 8/11

2 stops26h 28m

$1,438

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

Sun 7/28

2 stops26h 15m

Sydney Kingsford Smith

Sun 8/11

2 stops22h 07m

$1,454

Chicago O'Hare IntlSydney Kingsford Smith

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Tue 8/6

1 stop34h 30m

Sydney Kingsford Smith

Tue 8/20

2 stops32h 43m

$1,474

Lambert-St LouisSydney Kingsford Smith

STL - SYD

STLSYD

Lambert-St Louis

Mon 8/12

1 stop33h 05m

Sydney Kingsford Smith

Sat 8/17

1 stop28h 27m

$1,526

Chicago O'Hare IntlSydney Kingsford Smith

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sun 9/22

2 stops35h 35m

Sydney Kingsford Smith

Wed 10/2

2 stops33h 46m

$1,555

Flights are sorted by cheapest first

Deals found on 6/10

No data available for this route at this time. Please check back soon.

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.

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 June 11, 2024.
See what other customers who have flown with Air Canada, China Southern 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.
8.5
Very good
1,132 reviews

Food

8.2

Overall

8.5

Boarding

8.6

Entertainment

8.2

Comfort

8.3

Crew

8.8

Reviews

1 / 10

This particular Delta Air Lines flight may not have met your expectations in terms of the food served on board. It appears that the portions were smaller than anticipated and the side dishes were minimal- no salad, no bread rolls, no fruits. Perhaps there are ways in which the airline could improve the dining experience for their passengers. Why can't Delta offer better customer service when other non American airlines are able to do it?

8.5
Very good
1,132 reviews
8.5
Very good
1,132 reviews

Food

8.2

Overall

8.5

Boarding

8.6

Entertainment

8.2

Comfort

8.3

Crew

8.8

Reviews

1 / 10

This particular Delta Air Lines flight may not have met your expectations in terms of the food served on board. It appears that the portions were smaller than anticipated and the side dishes were minimal- no salad, no bread rolls, no fruits. Perhaps there are ways in which the airline could improve the dining experience for their passengers. Why can't Delta offer better customer service when other non American airlines are able to do it?

8.5
Very good
894 reviews
8.5
Very good
1,132 reviews

Food

8.2

Overall

8.5

Boarding

8.6

Entertainment

8.2

Comfort

8.3

Crew

8.8

Reviews

1 / 10

This particular Delta Air Lines flight may not have met your expectations in terms of the food served on board. It appears that the portions were smaller than anticipated and the side dishes were minimal- no salad, no bread rolls, no fruits. Perhaps there are ways in which the airline could improve the dining experience for their passengers. Why can't Delta offer better customer service when other non American airlines are able to do it?

8.3
Very good
1,456 reviews
8.5
Very good
1,132 reviews

Food

8.2

Overall

8.5

Boarding

8.6

Entertainment

8.2

Comfort

8.3

Crew

8.8

Reviews

1 / 10

This particular Delta Air Lines flight may not have met your expectations in terms of the food served on board. It appears that the portions were smaller than anticipated and the side dishes were minimal- no salad, no bread rolls, no fruits. Perhaps there are ways in which the airline could improve the dining experience for their passengers. Why can't Delta offer better customer service when other non American airlines are able to do it?

8.2
Very good
598 reviews
8.5
Very good
1,132 reviews

Food

8.2

Overall

8.5

Boarding

8.6

Entertainment

8.2

Comfort

8.3

Crew

8.8

Reviews

1 / 10

This particular Delta Air Lines flight may not have met your expectations in terms of the food served on board. It appears that the portions were smaller than anticipated and the side dishes were minimal- no salad, no bread rolls, no fruits. Perhaps there are ways in which the airline could improve the dining experience for their passengers. Why can't Delta offer better customer service when other non American airlines are able to do it?

8.0
Very good
10,277 reviews
8.5
Very good
1,132 reviews

Food

8.2

Overall

8.5

Boarding

8.6

Entertainment

8.2

Comfort

8.3

Crew

8.8

Reviews

1 / 10

This particular Delta Air Lines flight may not have met your expectations in terms of the food served on board. It appears that the portions were smaller than anticipated and the side dishes were minimal- no salad, no bread rolls, no fruits. Perhaps there are ways in which the airline could improve the dining experience for their passengers. Why can't Delta offer better customer service when other non American airlines are able to do it?

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 $1,300 on Cheapflights?

    Yes, there are multiple flights from Illinois to Sydney for under $1,300. The cheapest flight booked recently is on Air New Zealand for just $1,202, but on average you can expect to pay $1,288.

  • Are there last-minute flights available from Illinois to Sydney for under $1,700?

    There are currently 20+ open flights from Illinois to Sydney within the next 7 days for less than $1,700.

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

    For one-way options, check prices for Cathay Pacific. According to our data, you can fly for as low as $951. Users have also found prices from $1,121 and $1,130 on Japan Airlines and Philippine Airlines, respectively.

  • What are the most popular routes 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), Springfield Capital Airport (SPI).

  • 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 6/11.

  • What are the most popular airlines that fly from Illinois to Sydney?

  • 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 $1,092). Flying from Illinois to Sydney in December is currently the most expensive (average of $1,370). 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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Alternative routes for Illinois to Sydney
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 3,117,830 searches. Data last updated June 11, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$420Average$1,872FlexibilityNo cancel feeOn-time71%
Fiji AirwaysCheapest$739Average$1,183FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$871Average$1,678FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$951Average$1,530FlexibilityNo cancel feeOn-time74%
DeltaCheapest$966Average$1,636FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$1,001Average$1,338FlexibilityNo cancel feeOn-time67%
Cathay PacificCheapest$1,138Average$1,244FlexibilityNo cancel feeOn-time72%
Air New ZealandCheapest$1,213Average$1,615FlexibilityNo cancel feeOn-time78%
ANACheapest$1,349Average$2,078FlexibilityNo cancel feeOn-time80%
British AirwaysCheapest$1,387Average$1,553FlexibilityNo cancel feeOn-time70%

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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