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Cheap flights from Illinois to Sydney from $653

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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SYD
26 Nov — 3 Dec1
1 adult

Find flights from Illinois to Sydney within your budget

Customise 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 719,399 searches. Data last updated 21 November 2024.

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Price

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Thu 6/2

16:35-06:35

1 stop21h 00m

Sydney Kingsford Smith

Thu 27/2

21:25-05:42

1 stop25h 17m

$1,371

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Thu 20/2

17:40-09:00

1 stop22h 20m

Sydney Kingsford Smith

Thu 13/3

06:05-15:05

2 stops25h 00m

$1,373

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Fri 6/12

15:23-09:00

1 stop24h 37m

Sydney Kingsford Smith

Sun 22/12

20:35-05:12

2 stops25h 37m

$1,413

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sun 1/12

18:00-09:00

1 stop22h 00m

Sydney Kingsford Smith

Thu 5/12

11:50-15:34

1 stop20h 44m

$1,462

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Tue 4/3

18:10-20:15

2 stops33h 05m

Sydney Kingsford Smith

Tue 11/3

21:45-05:11

2 stops47h 26m

$1,774

EvansvilleSydney

EVV - SYD

EVVSYD

Evansville Dress Regional

Fri 4/4

11:37-08:05

2 stops28h 28m

Sydney Kingsford Smith

Wed 23/4

09:10-21:46

2 stops27h 36m

$1,830

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Fri 14/3

15:35-09:05

2 stops25h 30m

Sydney Kingsford Smith

Sat 22/3

12:10-21:34

2 stops25h 24m

$1,853

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Fri 25/4

15:50-07:20

2 stops48h 30m

Sydney Kingsford Smith

Wed 7/5

09:20-15:21

2 stops45h 01m

$1,863

EvansvilleSydney

EVV - SYD

EVVSYD

Evansville Dress Regional

Fri 16/5

11:35-06:35

2 stops28h 00m

Sydney Kingsford Smith

Sat 31/5

09:25-22:03

2 stops27h 38m

$1,867

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Fri 25/4

06:30-06:35

2 stops33h 05m

Sydney Kingsford Smith

Wed 7/5

09:25-18:01

2 stops23h 36m

$1,867

Flights are sorted by cheapest return flights first.

Deals found on 19/11

Showing 1-10 of 49 results
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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 21 November 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 21 November 2024.

Mon 2/1208:40ORD - SYD
1 stop31h 20mQantas Airways
Fri 6/1211:15SYD - ORD
1 stop25h 20mQantas Airways
Deal found 21/11$1,371
Fri 6/1215:23ORD - SYD
1 stop24h 37mBritish Airways
Sun 22/1220:35SYD - ORD
2 stops25h 37mBritish Airways
Deal found 20/11$1,413
Mon 30/1209:50ORD - SYD
1 stop28h 35mAmerican Airlines
Sun 19/117:25SYD - ORD
1 stop29h 40mAmerican Airlines
Deal found 20/11$1,433
Sun 24/1117:00ORD - SYD
1 stop21h 25mMultiple Airlines
Tue 26/1111:15SYD - ORD
1 stop23h 05mMultiple Airlines
Deal found 20/11$1,462
Wed 25/1208:45ORD - SYD
2 stops53h 10mAir Canada
Sat 25/111:20SYD - ORD
2 stops40h 34mAir Canada
Deal found 20/11$2,270
Tue 3/1211:55ORD - SYD
2 stops37h 35mTurkish Airlines
Tue 10/1220:40SYD - ORD
2 stops38h 55mTurkish Airlines
Deal found 20/11$2,566
Tue 3/1216:05ORD - SYD
2 stops24h 00mUnited Airlines
Thu 19/1211:20SYD - ORD
1 stop20h 18mUnited Airlines
Deal found 20/11$2,700
Tue 26/1112:43MDW - SYD
2 stops26h 52mDelta
Fri 13/1211:05SYD - MDW
2 stops24h 27mDelta
Deal found 19/11$2,720
Thu 12/1207:05ORD - SYD
2 stops32h 30mDelta
Thu 9/111:05SYD - ORD
2 stops27h 53mDelta
Deal found 20/11$2,796
Thu 12/1206:30STL - SYD
2 stops33h 05mDelta
Fri 27/1211:05SYD - STL
2 stops27h 30mDelta
Deal found 19/11$2,796
Sun 24/1116:25ORD - SYD
1 stop25h 05mANA
Sun 1/1221:45SYD - ORD
2 stops48h 16mANA
Deal found 20/11$2,812
Thu 26/1212:45ORD - SYD
3 stops62h 35mChina Southern
Fri 31/108:10SYD - ORD
2 stops37h 55mChina Southern
Deal found 20/11$2,827

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 return 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, May is the cheapest month in which you can book a flight from Illinois to Sydney (average of $129). Flying from Illinois to Sydney in October is currently the most expensive (average of $171). 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 21 November 2024.

When flying from Illinois to Sydney, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

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 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

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 21 November 2024.
Peruse reviews from past customers who have flown with Qantas Airways, Air Canada and Delta from Illinois to Sydney to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very Good
68 reviews
Check prices

Overall

8.7

Crew

9.0

Entertainment

7.2

Food

7.7

Comfort

8.0

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
Check prices

Overall

8.7

Crew

9.0

Entertainment

7.2

Food

7.7

Comfort

8.0

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
1,024 reviews
Air Tahiti Nui
8.7
Very Good
68 reviews
Check prices

Overall

8.7

Crew

9.0

Entertainment

7.2

Food

7.7

Comfort

8.0

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
Check prices

Overall

8.7

Crew

9.0

Entertainment

7.2

Food

7.7

Comfort

8.0

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
Check prices

Overall

8.7

Crew

9.0

Entertainment

7.2

Food

7.7

Comfort

8.0

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
Check prices

Overall

8.7

Crew

9.0

Entertainment

7.2

Food

7.7

Comfort

8.0

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?

    Located just 7.5 km from the city centre, Sydney Kingsford Smith (SYD) is the airport most travelers will use when flying to Sydney from Illinois.

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

    One-way options have recently been found by users for as low as $653 on Qantas Airways. Other airlines that offer cheap prices include American Airlines from $711 and ANA from $992 one-way.

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

    When deciding which route to take from Illinois to Sydney, consider Chicago O'Hare Intl - Sydney Kingsford Smith, Chicago Midway - Sydney Kingsford Smith or Lambert-St Louis - Sydney Kingsford Smith, as they are the most popular.

  • 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 holiday 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, May is the cheapest month in which you can book a flight from Illinois to Sydney (average of $129). Flying from Illinois to Sydney in October is currently the most expensive (average of $171). 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 2 airlines flying from Illinois to Sydney

Discover the top 2 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 719,399 searches. Data last updated 21 November 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,483Average$1,878FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,732Average$2,471FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Illinois to Sydney?

When you search for this flight from Illinois to Sydney, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Illinois to Sydney?

Millions of users choose and trust Cheapflights to book the best flight deals from Illinois to Sydney for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Illinois to Sydney with no change fees?

Yes! Cheapflights helps users easily find flights from Illinois to Sydney with no change fees.

Can Cheapflights notify me if prices for flights from Illinois to Sydney become cheaper?

Of course! You can now track prices for flights from Illinois to Sydney and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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