What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Sydney round-trip?

According to our current data, ANA ($1,864), Fiji Airways ($1,894), and Alaska Airlines ($1,922) offers the cheapest pricing from Chicago O'Hare Intl Airport to Sydney. Find deals

What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Sydney one-way?

To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at $1,035. Fiji Airways flights start at $1,059 while deals on Qantas Airways start at $1,193 one-way. Find deals

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

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

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

Flights from Chicago O'Hare Intl Airport to Sydney are generally found to be more expensive on Wednesday. This shouldn't discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Sydney.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, August can be a great choice for travel to Sydney. Flights to Sydney from Chicago O'Hare Intl Airport in August are about $1,598 on average during August, but can be found for as low as $1,150.

What airport do you fly into for flights to Sydney from Chicago O'Hare Intl?

For a flight from Chicago O'Hare Intl 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 O'Hare Intl per day. 2 airlines have flights to Sydney Kingsford Smith from Chicago O'Hare Intl on a regular basis.

Can I find deals for flights from O'Hare Intl to Sydney that include hotel bookings?

Yes. In addition to deals on O'Hare Intl to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from O'Hare Intl to Sydney?

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

Can I find deals for business class flights from O'Hare Intl to Sydney?

Yes. Cheapflights offers flight deals from O'Hare Intl 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.

$697+ Flights from Chicago O'Hare Intl Airport to Sydney

Cheapflights Tip: The best prices from Chicago O'Hare Intl to Sydney Kingsford Smith are usually found in March or May, booked 39 days in advance, depart on a Friday or Sunday and return on a Monday

Cheap flight deals from O'Hare Intl to Sydney

Round-trip from	$1,572
One-way from	$697
Popular in	December
Cheapest in	March
Average price	$1,423

6/9-11/9
5 total stops
54h 40m total
Chicago to Sydney

Search Deals

26/8
2 total stops
34h 39m total
Chicago to Sydney

Search Deals

Highest demand for flights based on searches. 12% potential increase in price ($389 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($78 potential savings vs. average return price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

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 13 June 2025.

Sat 6/915:21ORD - SYD

3 stops29h 24mMultiple Airlines

Thu 11/913:15SYD - ORD

2 stops25h 16mMultiple Airlines

Deal found 12/6$1,572

Tue 26/817:45ORD - SYD

1 stop24h 40mANA

Sun 14/911:50SYD - ORD

1 stop35h 50mANA

Deal found 13/6$1,824

Tue 2/918:20ORD - SYD

2 stops26h 25mFiji Airways

Tue 14/1014:15SYD - ORD

2 stops22h 47mFiji Airways

Deal found 11/6$1,894

Wed 17/906:20ORD - SYD

2 stops34h 10mAlaska Airlines

Tue 23/917:45SYD - ORD

2 stops28h 18mAlaska Airlines

Deal found 12/6$1,924

Mon 28/716:50ORD - SYD

2 stops26h 45mAir New Zealand

Mon 11/811:50SYD - ORD

2 stops26h 09mAir New Zealand

Deal found 11/6$2,000

Wed 24/919:50ORD - SYD

2 stops32h 10mTurkish Airlines

Sun 5/1021:55SYD - ORD

2 stops40h 05mTurkish Airlines

Deal found 12/6$2,079

Tue 2/915:12ORD - SYD

1 stop24h 53mQantas Airways

Tue 30/909:10SYD - ORD

1 stop22h 37mQantas Airways

Deal found 12/6$2,094

Mon 8/1207:20ORD - SYD

2 stops33h 15mAir Canada

Sun 14/1211:20SYD - ORD

2 stops22h 30mAir Canada

Deal found 12/6$2,106

Best flights from O'Hare Intl to Sydney
Discover carefully curated flight deals from O'Hare Intl to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 June 2025.

Sat 6/915:21ORD - SYD

3 stops29h 24mMultiple Airlines

Thu 11/913:15SYD - ORD

2 stops25h 16mMultiple Airlines

Deal found 12/6$1,572

Tue 2/920:20ORD - SYD

2 stops31h 55mANA

Tue 14/1012:50SYD - ORD

1 stop35h 50mANA

Deal found 12/6$1,864

Tue 2/918:20ORD - SYD

2 stops26h 25mFiji Airways

Tue 14/1014:15SYD - ORD

2 stops22h 47mFiji Airways

Deal found 11/6$1,894

Wed 22/1006:00ORD - SYD

2 stops33h 30mAlaska Airlines

Wed 29/1017:25SYD - ORD

2 stops27h 36mAlaska Airlines

Deal found 11/6$1,922

Mon 28/716:50ORD - SYD

2 stops26h 45mAir New Zealand

Mon 11/811:50SYD - ORD

2 stops26h 09mAir New Zealand

Deal found 11/6$2,000

Wed 24/919:50ORD - SYD

2 stops32h 10mTurkish Airlines

Sun 5/1021:55SYD - ORD

2 stops40h 05mTurkish Airlines

Deal found 12/6$2,079

Tue 2/915:12ORD - SYD

1 stop24h 53mQantas Airways

Tue 30/909:10SYD - ORD

1 stop22h 37mQantas Airways

Deal found 12/6$2,094

Mon 8/1207:20ORD - SYD

2 stops33h 15mAir Canada

Sun 14/1211:20SYD - ORD

2 stops22h 30mAir Canada

Deal found 12/6$2,106

Sun 3/808:50ORD - SYD

1 stop31h 15mBritish Airways

Tue 19/809:10SYD - ORD

1 stop23h 33mBritish Airways

Deal found 12/6$2,194

Last-minute flights from O'Hare Intl to Sydney
Discover last-minute flight deals from O'Hare Intl to Sydney. Data last updated 13 June 2025 and is based on user searches.

Wed 18/617:51ORD - SYD

1 stop22h 14mQantas Airways

Wed 9/709:10SYD - ORD

1 stop22h 52mQantas Airways

Deal found 12/6$2,519

Wed 18/616:20ORD - SYD

2 stops23h 35mUnited Airlines

Wed 9/710:20SYD - ORD

2 stops23h 04mUnited Airlines

Deal found 11/6$2,709

Wed 18/621:30ORD - SYD

2 stops42h 10mFinnair

Sun 29/610:20SYD - ORD

2 stops46h 30mFinnair

Deal found 12/6$11,298

Wed 18/619:50ORD - SYD

2 stops32h 10mTurkish Airlines

Sun 29/620:55SYD - ORD

2 stops36h 00mTurkish Airlines

Deal found 11/6$12,576

Thu 19/619:49ORD - SYD

2 stops35h 21mMultiple Airlines

Wed 25/613:15SYD - ORD

3 stops31h 57mMultiple Airlines

Deal found 11/6$2,014

Fri 20/616:04ORD - SYD

2 stops27h 31mAir New Zealand

Fri 27/610:20SYD - ORD

1 stop25h 58mAir New Zealand

Deal found 12/6$3,124

Fri 20/620:42ORD - SYD

2 stops32h 03mAlaska Airlines

Fri 27/621:40SYD - ORD

2 stops35h 38mAlaska Airlines

Deal found 12/6$3,264

Fri 20/601:30ORD - SYD

1 stop37h 50mJapan Airlines

Tue 8/708:55SYD - ORD

2 stops51h 05mJapan Airlines

Deal found 11/6$4,688

Fri 20/616:00ORD - SYD

1 stop27h 50mCathay Pacific

Fri 27/607:40SYD - ORD

1 stop45h 45mCathay Pacific

Deal found 11/6$5,427

Sat 21/619:15ORD - SYD

2 stops25h 30mFiji Airways

Tue 8/706:15SYD - ORD

2 stops29h 45mFiji Airways

Deal found 11/6$2,422

Sat 21/616:45ORD - SYD

2 stops23h 20mAmerican Airlines

Tue 8/709:10SYD - ORD

1 stop23h 32mAmerican Airlines

Deal found 11/6$2,760

Sat 21/613:20ORD - SYD

2 stops27h 00mAir Canada

Tue 8/709:20SYD - ORD

3 stops37h 39mAir Canada

Deal found 11/6$3,125

One-way flights from O'Hare Intl to Sydney
Search for one-way flight options from O'Hare Intl to Sydney. Find affordable one-way fares based on user searches. Data last updated 13 June 2025.

Tue 26/813:01ORD - SYD

2 stops34h 39mMultiple Airlines

Deal found 11/6$697

Mon 11/807:00ORD - SYD

2 stops33h 30mAlaska Airlines

Deal found 12/6$1,035

Mon 11/819:03ORD - SYD

2 stops25h 42mFiji Airways

Deal found 11/6$1,059

Mon 11/818:03ORD - SYD

1 stop22h 02mQantas Airways

Deal found 11/6$1,193

Mon 1/907:10ORD - SYD

2 stops45h 05mANA

Deal found 12/6$1,245

Sun 24/811:45ORD - SYD

1 stop28h 45mAmerican Airlines

Deal found 11/6$1,271

Sun 27/711:01ORD - SYD

2 stops28h 34mDelta

Deal found 12/6$1,434

Sat 26/716:50ORD - SYD

1 stop23h 10mUnited Airlines

Deal found 11/6$1,534

Sun 10/801:30ORD - SYD

1 stop37h 50mJapan Airlines

Deal found 12/6$1,658

Mon 1/918:50ORD - SYD

3 stops46h 35mChina Southern

Deal found 11/6$2,002

Tue 26/819:03ORD - SYD

3 stops29h 07mAir Tahiti Nui

Deal found 11/6$2,092

Sat 30/808:40ORD - SYD

3 stops31h 40mAir Canada

Deal found 11/6$2,134

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sat 6/9

15:21-11:45

3 stops29h 24m

Sydney Kingsford Smith

Thu 11/9

13:15-23:31

2 stops25h 16m

$1,572

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Tue 2/9

20:20-19:15

2 stops31h 55m

Sydney Kingsford Smith

Tue 14/10

12:50-08:40

1 stop35h 50m

$1,864

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Tue 2/9

18:20-11:45

2 stops26h 25m

Sydney Kingsford Smith

Tue 14/10

14:15-21:02

2 stops22h 47m

$1,894

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Wed 22/10

06:00-07:30

2 stops33h 30m

Sydney Kingsford Smith

Wed 29/10

17:25-05:01

2 stops27h 36m

$1,922

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Mon 28/7

16:50-10:35

2 stops26h 45m

Sydney Kingsford Smith

Mon 11/8

11:50-22:59

2 stops26h 09m

$2,000

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Wed 24/9

19:50-19:00

2 stops32h 10m

Sydney Kingsford Smith

Sun 5/10

21:55-22:00

2 stops40h 05m

$2,079

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Tue 2/9

15:12-07:05

1 stop24h 53m

Sydney Kingsford Smith

Tue 30/9

09:10-16:47

1 stop22h 37m

$2,094

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Mon 8/12

07:20-09:35

2 stops33h 15m

Sydney Kingsford Smith

Sun 14/12

11:20-16:50

2 stops22h 30m

$2,106

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Tue 26/8

13:01-14:40

2 stops34h 39m

$697

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Mon 11/8

07:00-07:30

2 stops33h 30m

$1,035

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 24 results

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 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.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Sydney

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

The best time to book flights from Chicago O'Hare Intl Airport to Sydney is 39 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Sydney?

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

It’s optimal to fly from Chicago O'Hare Intl Airport to Sydney in the morning. By choosing this option you can save up to 28% on the cost of your flight, compared to a flight at midday.

Rainfall in Sydney 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

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

Peruse reviews from past customers who have flown with Air Tahiti Nui, Japan Airlines and ANA from Chicago to Sydney to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Air Tahiti Nui

8.7

Very Good

64 reviews

Check prices

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

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

64 reviews

Air Tahiti Nui

8.7

Very Good

64 reviews

Check prices

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Japan Airlines

8.3

Very Good

1,490 reviews

Air Tahiti Nui

8.7

Very Good

64 reviews

Check prices

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

ANA

8.3

Very Good

882 reviews

Air Tahiti Nui

8.7

Very Good

64 reviews

Check prices

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Fiji Airways

8.1

Very Good

194 reviews

Air Tahiti Nui

8.7

Very Good

64 reviews

Check prices

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Delta

8.0

Very Good

7,946 reviews

Air Tahiti Nui

8.7

Very Good

64 reviews

Check prices

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Related info for your journey

What airport do you fly into for flights to Sydney from Chicago O'Hare Intl?
For a flight from Chicago O'Hare Intl 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 O'Hare Intl per day. 2 airlines have flights to Sydney Kingsford Smith from Chicago O'Hare Intl on a regular basis.
What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Sydney round-trip?
According to our current data, ANA ($1,864), Fiji Airways ($1,894), and Alaska Airlines ($1,922) offers the cheapest pricing from Chicago O'Hare Intl Airport to Sydney.
What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Sydney one-way?
To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at $1,035. Fiji Airways flights start at $1,059 while deals on Qantas Airways start at $1,193 one-way.
Can I find deals for flights from O'Hare Intl to Sydney that include hotel bookings?
Yes. In addition to deals on O'Hare Intl to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from O'Hare Intl to Sydney?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Sydney.
Can I find deals for business class flights from O'Hare Intl to Sydney?
Yes. Cheapflights offers flight deals from O'Hare Intl 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 O'Hare Intl Airport to Sydney?
Currently, May is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Sydney (average of $129). Flying from Chicago O'Hare Intl Airport 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

Parramatta

Wollongong

Katoomba

Manly

Penrith

Coogee

Randwick

Cronulla

Terrigal

Lithgow

Bondi Beach

Leura

Swansea

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for O'Hare Intl to Sydney

Midway to Sydney flights

Other flights to Sydney

Top 2 airlines flying from O'Hare Intl to Sydney

Airline	Cheapest	Average	Flexibility	On-time
Qantas Airways	Cheapest$1,310	Average$1,413	FlexibilityNo cancel fee	On-time74%	Search Qantas Airways flights
Air Canada	Cheapest$1,677	Average$1,812	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

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How does Cheapflights help users find flights from O'Hare Intl to Sydney?

Cheapflights helps you search for flights from O'Hare Intl to Sydney via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to Sydney?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from O'Hare Intl to Sydney for you. Better yet — we are completely free to use.

Can Cheapflights find flights from O'Hare Intl to Sydney with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from O'Hare Intl to Sydney, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from O'Hare Intl to Sydney become cheaper?

Of course! You can now track prices for flights from O'Hare Intl 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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Cheap flights from Chicago O'Hare Intl Airport to Sydney from $697

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 26/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Chicago O'Hare Intl to Sydney Kingsford Smith are usually found in March or May, booked 39 days in advance, depart on a Friday or Sunday and return on a Monday

Cheap flight deals from O'Hare Intl to Sydney

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from O'Hare Intl to Sydney

Cheapest flights from O'Hare Intl to SydneyExplore 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 13 June 2025.

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 13 June 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Sydney that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Sydney

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 return flight from O'Hare Intl to Sydney. Price data was last updated on 9 June 2025.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Sydney?

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 13 June 2025.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

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 13 June 2025.

Peruse reviews from past customers who have flown with Air Tahiti Nui, Japan Airlines and ANA from Chicago to Sydney to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl 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 O'Hare Intl?

What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Sydney round-trip?

What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Sydney one-way?

Can I find deals for flights from O'Hare Intl to Sydney that include hotel bookings?

How can I find direct flights from O'Hare Intl to Sydney?

Can I find deals for business class flights from O'Hare Intl to Sydney?

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Sydney?

Travelling to a place near Chicago O'Hare Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for O'Hare Intl to Sydney

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from O'Hare Intl to Sydney

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 O'Hare Intl to Sydney?

Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to Sydney?

Can Cheapflights find flights from O'Hare Intl to Sydney with no change fees?

Can Cheapflights notify me if prices for flights from O'Hare Intl to Sydney become cheaper?

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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 13 June 2025.