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Cheap flights from Chicago 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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SYD
25 Nov — 2 Dec1
1 adult

The best prices from Chicago to Sydney Kingsford Smith are usually found in March or February, booked 85 days in advance, depart on a Sunday or Monday and return on a Tuesday

Find flights from Chicago to Sydney within your budget

Customise your flight search to find flights from Chicago 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 726,782 searches. Data last updated 20 November 2024.

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Route

Depart

Return

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

$1,372

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

$1,412

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

$1,773

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Tue 18/2

07:20-09:35

2 stops33h 15m

Sydney Kingsford Smith

Sun 23/2

11:20-19:55

2 stops25h 35m

$1,908

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sun 16/3

06:15-08:45

2 stops34h 30m

Sydney Kingsford Smith

Fri 28/3

09:55-05:57

2 stops36h 02m

$1,944

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Tue 18/2

14:40-12:00

1 stop28h 20m

Sydney Kingsford Smith

Sun 23/2

22:20-13:00

1 stop31h 40m

$2,068

ChicagoSydney

MDW - SYD

MDWSYD

Chicago Midway

Wed 5/2

10:19-08:35

2 stops29h 16m

Sydney Kingsford Smith

Wed 26/2

11:05-18:14

2 stops24h 09m

$2,182

ChicagoSydney

MDW - SYD

MDWSYD

Chicago Midway

Fri 3/1

20:27-12:30

3 stops47h 03m

Sydney Kingsford Smith

Fri 10/1

10:20-11:48

3 stops66h 28m

$3,014

Flights are sorted by cheapest return flights first.

Deals found on 19/11

Showing 1-10 of 29 results
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Cheap flight deals from Chicago to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) 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 20 November 2024.

Round-trip from

$1,371

One-way from

$652

Popular in

December

Cheapest in

March
American Airlines
  • American Airlines
  • 6/2-27/2
  • 2 total stops
  • 46h 17m total
  • Chicago to Sydney
Search Deals
Qantas Airways
  • Qantas Airways
  • 2/4
  • 1 total stop
  • 22h 49m total
  • Chicago to Sydney
Search Deals
High demand for flights, 21% potential price rise
Search Deals
Best time to find cheap flights, 27% potential price drop
Search Deals

Find flight deals from Chicago to Sydney

Cheapest flights from Chicago to Sydney
Explore the most affordable flight options available from Chicago to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 November 2024.

Sun 1/1217:00ORD - SYD
1 stop23h 00mQantas Airways
Tue 10/1217:25SYD - ORD
1 stop23h 34mQantas Airways
Deal found 20/11$1,376
Fri 6/1215:23ORD - SYD
1 stop24h 37mBritish Airways
Sun 22/1220:35SYD - ORD
2 stops25h 37mBritish Airways
Deal found 20/11$1,412
Mon 30/1211:10ORD - SYD
1 stop26h 25mAmerican Airlines
Thu 16/117:25SYD - ORD
1 stop29h 40mAmerican Airlines
Deal found 19/11$1,432
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
1 stop20h 19mAir Canada
Deal found 20/11$2,269
Tue 3/1211:55ORD - SYD
2 stops37h 35mTurkish Airlines
Tue 10/1220:40SYD - ORD
2 stops38h 55mTurkish Airlines
Deal found 20/11$2,565
Wed 27/1115:24ORD - SYD
2 stops35h 56mChina Southern
Sun 1/1222:10SYD - ORD
3 stops48h 55mChina Southern
Deal found 19/11$2,671
Tue 3/1216:05ORD - SYD
2 stops24h 00mUnited Airlines
Thu 19/1212:10SYD - ORD
2 stops21h 55mUnited Airlines
Deal found 20/11$2,705
Tue 26/1112:43MDW - SYD
2 stops26h 52mDelta
Fri 13/1211:05SYD - MDW
2 stops24h 27mDelta
Deal found 19/11$2,719
Wed 25/1212:10MDW - SYD
1 stop25h 25mMultiple Airlines
Mon 30/1220:30SYD - MDW
2 stops30h 50mMultiple Airlines
Deal found 19/11$4,412
Sat 23/1116:55MDW - SYD
2 stops45h 00mKorean Air
Tue 3/1209:10SYD - MDW
2 stops44h 39mKorean Air
Deal found 19/11$4,754
Wed 27/1115:19MDW - SYD
3 stops49h 06mLATAM Airlines
Wed 4/1212:35SYD - MDW
2 stops38h 15mLATAM Airlines
Deal found 20/11$5,539

Best time to book a flight from Chicago to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Chicago 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 Chicago to Sydney

Get recent, data-driven insights about flights from Chicago to Sydney including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Chicago to Sydney?

Use this chart to determine the optimal time to book a return flight from Chicago to Sydney. Price data was last updated on 15 November 2024.

To ensure you get the cheapest price possible for a flight from Chicago to Sydney, you should look to book at least 85 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Chicago to Sydney?

Currently, May is the cheapest month in which you can book a flight from Chicago to Sydney (average of $129). Flying from Chicago 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 CHI to SYD?

Find hourly flight availability from Chicago 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 20 November 2024.

When flying from Chicago to Sydney, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 36% versus a flight at midday.

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 20 November 2024.
See what other customers who have flown with Qantas Airways, Air New Zealand and Delta from Chicago to Sydney have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very Good
68 reviews
Check prices

Comfort

8.0

Crew

9.0

Food

7.7

Boarding

8.5

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
68 reviews
Air Tahiti Nui
8.7
Very Good
68 reviews
Check prices

Comfort

8.0

Crew

9.0

Food

7.7

Boarding

8.5

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
8.5
Very Good
1,025 reviews
Air Tahiti Nui
8.7
Very Good
68 reviews
Check prices

Comfort

8.0

Crew

9.0

Food

7.7

Boarding

8.5

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
833 reviews
Air Tahiti Nui
8.7
Very Good
68 reviews
Check prices

Comfort

8.0

Crew

9.0

Food

7.7

Boarding

8.5

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.

Japan Airlines
8.3
Very Good
1,460 reviews
Air Tahiti Nui
8.7
Very Good
68 reviews
Check prices

Comfort

8.0

Crew

9.0

Food

7.7

Boarding

8.5

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.

Singapore Airlines
8.1
Very Good
1,336 reviews
Air Tahiti Nui
8.7
Very Good
68 reviews
Check prices

Comfort

8.0

Crew

9.0

Food

7.7

Boarding

8.5

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 Chicago 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 Chicago?

    For a flight from Chicago to Sydney, you will be flying into Kingsford Smith. Sydney Kingsford Smith (SYD) is just 7.5 km from the centre vof the city. Kingsford Smith is the only Sydney airport and it handles 0 inbound flights from Chicago per day. 2 airlines have flights to Sydney Kingsford Smith from Chicago on a regular basis.

  • What are the cheapest airlines flying from Chicago to Sydney round-trip?

    Cheapflights users have booked flights from Chicago to Sydney round-trip from $1,371. Other airlines that can offer you cheap pricing are Qantas Airways, from $1,372, and British Airways, from $1,412. American Airlines is currently priced 35% below the average price you’ll pay for this route.

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

    $652 is the cheapest one-way deal found within the past few days, from Qantas Airways. You may also be able to find cheap deals on American Airlines and ANA, with prices starting from $711 and $992, respectively.

  • Can I find deals for flights from Chicago to Sydney that include hotel bookings?

    Yes. In addition to deals on Chicago to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Sydney.

  • Can I find deals for business class flights from Chicago to Sydney?

    Yes. Cheapflights offers flight deals from Chicago 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 Chicago to Sydney?

    Currently, May is the cheapest month in which you can book a flight from Chicago to Sydney (average of $129). Flying from Chicago 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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Alternative routes for Chicago to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Sydney flights
Midway to Sydney flights
St. Louis to Sydney flights

Top 2 airlines flying from Chicago to Sydney

Discover the top 2 airlines that operate flights from Chicago 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 726,782 searches. Data last updated 20 November 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,482Average$1,877FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,731Average$2,470FlexibilityNo 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 Chicago to Sydney?

Deals for Chicago to Sydney flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights helps you find that perfect flight to Sydney from Chicago by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes, we can. To see specific flights from Chicago to Sydney with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights offers price alerts on Chicago to Sydney flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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