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Cheap flights from Illinois to Sydney from $652

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 13/3. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SYD
10 Nov — 17 Nov1
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 708,896 searches. Data last updated 5 November 2024.

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ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Thu 13/3

18:45-09:00

1 stop22h 15m

$652

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Tue 18/3

15:05-06:35

1 stop23h 30m

$700

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sun 13/4

07:15-19:15

2 stops45h 00m

$929

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Tue 3/12

15:26-19:45

2 stops35h 19m

$1,025

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sun 16/3

07:20-08:35

3 stops33h 15m

$1,104

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sat 25/1

20:25-09:15

1 stop43h 50m

$1,189

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Mon 20/1

07:05-08:35

2 stops32h 30m

$1,198

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Mon 2/12

12:01-09:25

3 stops52h 24m

$1,367

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Mon 13/1

10:35-06:50

1 stop27h 15m

$1,654

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Thu 2/1

20:30-18:30

2 stops53h 00m

$1,740

Flights are sorted by cheapest first

Deals found on 4/11

Showing 1-10 of 44 results
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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 5 November 2024.

Tue 5/1117:00ORD - SYD
1 stop23h 00mQantas Airways
Tue 12/1111:15SYD - ORD
1 stop21h 43mQantas Airways
Deal found 4/11$1,451
Tue 5/1108:35ORD - SYD
1 stop28h 35mAmerican Airlines
Mon 2/1217:25SYD - ORD
1 stop22h 35mAmerican Airlines
Deal found 4/11$1,569
Sun 8/1216:45ORD - SYD
2 stops24h 35mMultiple Airlines
Sun 15/1215:25SYD - ORD
2 stops42h 34mMultiple Airlines
Deal found 5/11$1,699
Sun 17/1107:15ORD - SYD
2 stops44h 00mANA
Mon 2/1212:25SYD - ORD
2 stops43h 28mANA
Deal found 4/11$2,144
Thu 12/1208:45ORD - SYD
2 stops29h 10mAir Canada
Mon 20/111:20SYD - ORD
2 stops40h 34mAir Canada
Deal found 4/11$2,175
Tue 3/1215:50STL - SYD
2 stops48h 45mAir Canada
Mon 16/1211:20SYD - STL
2 stops44h 46mAir Canada
Deal found 4/11$2,200
Wed 4/1213:00ORD - SYD
2 stops27h 15mUnited Airlines
Wed 11/1212:10SYD - ORD
2 stops28h 49mUnited Airlines
Deal found 4/11$2,295
Tue 3/1206:15STL - SYD
2 stops34h 00mUnited Airlines
Mon 16/1212:10SYD - STL
1 stop22h 46mUnited Airlines
Deal found 4/11$2,295
Tue 3/1215:34ORD - SYD
2 stops24h 01mDelta
Tue 10/1211:05SYD - ORD
2 stops27h 58mDelta
Deal found 3/11$2,309
Mon 2/1209:30MDW - SYD
2 stops30h 05mDelta
Tue 10/1211:05SYD - MDW
2 stops24h 27mDelta
Deal found 4/11$2,309
Tue 3/1207:55STL - SYD
2 stops31h 40mDelta
Tue 10/1211:05SYD - STL
2 stops23h 35mDelta
Deal found 3/11$2,309
Sun 8/1211:55ORD - SYD
2 stops37h 35mTurkish Airlines
Sun 15/1220:40SYD - ORD
2 stops38h 55mTurkish Airlines
Deal found 4/11$2,371

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 5 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 5 November 2024.
Peruse reviews from past customers who have flown with United Airlines, American Airlines and Qantas Airways 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

Crew

8.9

Boarding

8.5

Comfort

8.0

Overall

8.7

Food

7.7

Entertainment

7.2

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

Crew

8.9

Boarding

8.5

Comfort

8.0

Overall

8.7

Food

7.7

Entertainment

7.2

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
1,036 reviews
Air Tahiti Nui
8.7
Very Good
68 reviews
Check prices

Crew

8.9

Boarding

8.5

Comfort

8.0

Overall

8.7

Food

7.7

Entertainment

7.2

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

Crew

8.9

Boarding

8.5

Comfort

8.0

Overall

8.7

Food

7.7

Entertainment

7.2

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
1,457 reviews
Air Tahiti Nui
8.7
Very Good
68 reviews
Check prices

Crew

8.9

Boarding

8.5

Comfort

8.0

Overall

8.7

Food

7.7

Entertainment

7.2

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
1,334 reviews
Air Tahiti Nui
8.7
Very Good
68 reviews
Check prices

Crew

8.9

Boarding

8.5

Comfort

8.0

Overall

8.7

Food

7.7

Entertainment

7.2

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 $652 on Qantas Airways. Other airlines that offer cheap prices include American Airlines from $700 and ANA from $929 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 708,896 searches. Data last updated 5 November 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,464Average$2,010FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,717Average$2,584FlexibilityNo 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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