Sydney

$474+ Cheap flights from O'Hare Intl (ORD) 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SYD
Dec 7 — Dec 141
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The best prices from Chicago O'Hare Intl to Sydney Kingsford Smith are usually found in May or March, booked 82 days in advance, depart on a Saturday or Sunday and return on a Monday

Cheap flight deals from O'Hare Intl to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) 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 December 2, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

December

Cheapest in

May

Round-trip from

$891
(Ovago)

One-way from

$475
(American Airlines)
Provider with most accurate pricing for Chicago O'Hare Intl-Sydney Kingsford Smith flight deals.
Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Sydney Kingsford Smith flights.
High demand for flights, 16% potential price rise
Best time to find cheap flights, 30% potential price drop
From Chicago O'Hare Intl to Sydney Kingsford Smith
One-way flight from Chicago O'Hare Intl to Sydney Kingsford Smith

Find flight deals from O'Hare Intl to Sydney

Cheapest flights from O'Hare Intl to Sydney
Explore the most affordable flight options available from O'Hare Intl to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 2, 2024.

This Jetabroad deal was found by Cheapflights users on 11/30. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/78:25 pmORD - SYD
1 stop43h 35mQantas Airways
Sun 12/1511:15 amSYD - ORD
1 stop23h 13mQantas Airways
Deal found 11/30$913
This American Airlines deal was found by Cheapflights users on 12/1. 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.
Sun 12/299:50 amORD - SYD
1 stop28h 35mAmerican Airlines
Tue 1/145:25 pmSYD - ORD
1 stop41h 20mAmerican Airlines
Deal found 12/1$924
This Air Canada deal was found by Cheapflights users on 12/1. 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.
Mon 12/23:40 pmORD - SYD
1 stop24h 55mAir Canada
Wed 12/1111:20 amSYD - ORD
1 stop20h 19mAir Canada
Deal found 12/1$1,253
This United Airlines deal was found by Cheapflights users on 12/1. 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 12/307:10 amORD - SYD
2 stops33h 05mUnited Airlines
Thu 1/1611:20 amSYD - ORD
2 stops22h 45mUnited Airlines
Deal found 12/1$1,612
This Priceline deal was found by Cheapflights users on 12/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/55:10 pmORD - SYD
1 stop22h 50mMultiple Airlines
Sat 12/75:50 pmSYD - ORD
3 stops60h 33mMultiple Airlines
Deal found 12/1$1,639
This KAYAK deal was found by Cheapflights users on 12/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2911:55 amORD - SYD
2 stops37h 35mTurkish Airlines
Fri 1/318:40 pmSYD - ORD
2 stops38h 55mTurkish Airlines
Deal found 12/1$1,986
This KAYAK deal was found by Cheapflights users on 12/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2910:00 pmORD - SYD
1 stop42h 15mAir New Zealand
Sat 1/116:25 pmSYD - ORD
2 stops52h 51mAir New Zealand
Deal found 12/2$2,114
This Orbitz deal was found by Cheapflights users on 12/1. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/102:24 pmORD - SYD
3 stops34h 16mAir Tahiti Nui
Wed 12/187:15 pmSYD - ORD
3 stops44h 55mAir Tahiti Nui
Deal found 12/1$2,353

Find flights from O'Hare Intl to Sydney within your budget

Customize your flight search to find flights from O'Hare Intl 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 2,650,959 searches. Data last updated December 2, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Thu 3/13

5:10 pm-9:00 am

1 stop23h 50m

Sydney Kingsford Smith

Thu 3/20

11:15 am-11:59 pm

1 stop28h 44m

$888

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sun 12/29

8:25 pm-7:25 am

1 stop42h 00m

Sydney Kingsford Smith

Tue 1/14

5:25 pm-5:05 am

1 stop28h 40m

$921

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Thu 3/13

7:13 pm-9:00 am

1 stop21h 47m

Sydney Kingsford Smith

Fri 3/21

11:50 am-5:31 pm

1 stop21h 41m

$943

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Wed 2/26

7:00 am-8:15 pm

2 stops44h 15m

Sydney Kingsford Smith

Wed 3/5

12:25 pm-4:52 am

2 stops33h 27m

$959

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Tue 2/4

7:20 am-9:35 am

3 stops33h 15m

Sydney Kingsford Smith

Mon 2/17

11:20 am-7:55 pm

2 stops25h 35m

$1,249

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Mon 5/12

11:50 am-7:05 am

1 stop28h 15m

$474

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Mon 3/17

3:05 pm-6:35 am

2 stops23h 30m

$475

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Tue 12/17

6:00 am-12:30 pm

3 stops37h 30m

$662

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Mon 3/3

7:20 am-9:35 am

3 stops33h 15m

$717

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Mon 1/6

12:45 pm-6:35 am

3 stops48h 50m

$1,044

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

Showing 1-10 of 17 results
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Compare providers for flights from O'Hare Intl to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from O'Hare Intl to Sydney in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*2 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
KAYAKPrice Accuracy1 starTrust Score*3 stars
SmartFaresPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Sydney flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Sydney flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from O'Hare Intl to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from O'Hare Intl 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 O'Hare Intl to Sydney

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

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Sydney?

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Sydney. Price data was last updated on November 22, 2024.

To ensure you get the cheapest price possible for a flight from Chicago O'Hare Intl Airport to Sydney, you should look to book at least 82 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 O'Hare Intl Airport to Sydney?

Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Sydney (average of $1,051). Flying from Chicago O'Hare Intl Airport to Sydney in December is currently the most expensive (average of $1,298). 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 ORD to SYD?

Find hourly flight availability from O'Hare Intl 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 December 2, 2024.

It’s typically best to fly out from Chicago O'Hare Intl Airport to Sydney in the afternoon. Doing so could potentially save you 11% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from Chicago O'Hare Intl Airport to Sydney?

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Sydney. Price data was last updated on December 1, 2024.

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Sydney flight should consider departing on Wednesday mornings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 2, 2024.
Get a feel of what it's like to fly with Air Canada, American Airlines and Qantas Airways from Chicago to Sydney by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.6
Very good
67 reviews

Entertainment

7.2

Comfort

8.0

Overall

8.6

Boarding

8.5

Crew

8.9

Food

7.7

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.

8.6
Very good
67 reviews
8.6
Very good
67 reviews

Entertainment

7.2

Comfort

8.0

Overall

8.6

Boarding

8.5

Crew

8.9

Food

7.7

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.

8.4
Very good
830 reviews
8.6
Very good
67 reviews

Entertainment

7.2

Comfort

8.0

Overall

8.6

Boarding

8.5

Crew

8.9

Food

7.7

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.

8.0
Very good
9,513 reviews
8.6
Very good
67 reviews

Entertainment

7.2

Comfort

8.0

Overall

8.6

Boarding