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

According to our current data, ANA ($1,184), American Airlines ($1,195), and Japan Airlines ($1,228) offers the cheapest pricing from Sydney to Chicago O'Hare Intl Airport.

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

$694 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Cathay Pacific and United Airlines, with prices starting from $829 and $912, respectively.

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

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

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

Leaving on a Sunday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 82% on the overall cost on flights from Sydney to Chicago O'Hare Intl Airport.

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

Find a great deal and save up to 56% by booking at least 38 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Sydney to Chicago O'Hare Intl Airport within the next two weeks, with the cheapest ticket starting at $1,111.

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

Flights from Sydney to Chicago O'Hare Intl Airport lean towards being more expensive in December. Prices are generally better when you fly from Sydney to Chicago O'Hare Intl Airport in March, with the cheapest ticket starting at $665.

Most accurate provider : When it comes to deals on Sydney-Chicago O'Hare Intl Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Sydney-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Sydney-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Sydney-Chicago O'Hare Intl Airport flights, Cheapflights users trust AranGrant the most. AranGrant 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 Sydney-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

If you book a flight to Chicago O'Hare Intl from Sydney, you will be flying from Kingsford Smith, which is the city’s only airport. Sydney Kingsford Smith (SYD) is located 4.6 mi from the center of Sydney. There are 0 flights from Kingsford Smith to Chicago O'Hare Intl per day from 2 different airlines.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Sydney to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$482+ Flights from Sydney to Chicago O'Hare Intl Airport

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Find cheap flights from Sydney to O'Hare Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Sydney Kingsford Smith to Chicago O'Hare Intl are usually found in February or March, booked 90 days in advance, depart on a Monday or Tuesday and return on a Saturday

Cheap flight deals from Sydney to O'Hare Intl

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$1,032 (Trip.com)
One-way from	$482 (Trip.com)
Popular in	December
Cheapest in	February
Average price	$1,106

Provider with most accurate pricing for Sydney Kingsford Smith-Chicago O'Hare Intl flight deals.

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Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Chicago O'Hare Intl flights.

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From Sydney Kingsford Smith to Chicago O'Hare Intl

Search Deals

One-way flight from Sydney Kingsford Smith to Chicago O'Hare Intl

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($198 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($51 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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Find flight deals from Sydney to O'Hare Intl

Cheapest flights from Sydney to O'Hare Intl
Explore the most affordable flight options available from Sydney to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Fri 6/136:15 amSYD - ORD

2 stops31h 50mMultiple Airlines

Fri 6/206:10 amORD - SYD

2 stops38h 35mMultiple Airlines

Deal found 4/29

$1,032

Thu 9/1111:50 amSYD - ORD

1 stop35h 50mANA

Mon 9/158:20 pmORD - SYD

2 stops31h 55mANA

Deal found 4/29

$1,093

Tue 6/249:10 amSYD - ORD

2 stops24h 25mAmerican Airlines

Tue 7/294:39 pmORD - SYD

2 stops23h 26mAmerican Airlines

Deal found 4/29

$1,195

Wed 10/17:45 amSYD - ORD

2 stops29h 56mAir New Zealand

Fri 10/102:20 pmORD - SYD

2 stops26h 25mAir New Zealand

Deal found 4/29

$1,214

Thu 6/128:55 amSYD - ORD

1 stop39h 20mJapan Airlines

Wed 6/181:30 amORD - SYD

1 stop37h 50mJapan Airlines

Deal found 4/28

$1,228

Sat 10/1110:20 amSYD - ORD

1 stop22h 22mAir Canada

Tue 10/218:40 amORD - SYD

2 stops31h 40mAir Canada

Deal found 4/28

$1,238

Thu 7/1710:10 amSYD - ORD

1 stop43h 15mCathay Pacific

Tue 7/224:00 pmORD - SYD

1 stop27h 50mCathay Pacific

Deal found 4/29

$1,327

Mon 7/149:30 amSYD - ORD

1 stop24h 25mUnited Airlines

Wed 8/274:10 pmORD - SYD

1 stop23h 50mUnited Airlines

Deal found 4/27

$1,340

Mon 7/79:25 amSYD - ORD

2 stops22h 24mDelta

Mon 7/1411:05 amORD - SYD

2 stops28h 30mDelta

Deal found 4/28

$1,349

Fri 7/45:45 pmSYD - ORD

1 stop20h 50mQantas Airways

Thu 7/248:50 amORD - SYD

1 stop31h 15mQantas Airways

Deal found 4/28

$1,431

Sun 7/139:40 pmSYD - ORD

2 stops47h 00mAlaska Airlines

Wed 8/272:07 pmORD - SYD

2 stops38h 38mAlaska Airlines

Deal found 4/27

$1,506

Best flights from Sydney to O'Hare Intl
Discover carefully curated flight deals from Sydney to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2025.

Fri 6/136:15 amSYD - ORD

2 stops31h 50mMultiple Airlines

Fri 6/206:10 amORD - SYD

2 stops38h 35mMultiple Airlines

Deal found 4/29

$1,032

Tue 6/2411:50 amSYD - ORD

2 stops47h 35mANA

Tue 7/295:45 pmORD - SYD

1 stop34h 30mANA

Deal found 4/29

$1,184

Tue 6/249:10 amSYD - ORD

2 stops24h 25mAmerican Airlines

Tue 7/294:39 pmORD - SYD

2 stops23h 26mAmerican Airlines

Deal found 4/29

$1,195

Thu 6/128:55 amSYD - ORD

1 stop39h 20mJapan Airlines

Wed 6/181:30 amORD - SYD

1 stop37h 50mJapan Airlines

Deal found 4/28

$1,228

Tue 6/109:20 amSYD - ORD

2 stops37h 39mAir Canada

Tue 6/243:35 pmORD - SYD

1 stop24h 45mAir Canada

Deal found 4/28

$1,309

Thu 7/1710:10 amSYD - ORD

1 stop43h 15mCathay Pacific

Tue 7/224:00 pmORD - SYD

1 stop27h 50mCathay Pacific

Deal found 4/29

$1,327

Mon 7/149:30 amSYD - ORD

1 stop24h 25mUnited Airlines

Wed 8/274:10 pmORD - SYD

1 stop23h 50mUnited Airlines

Deal found 4/27

$1,340

Mon 7/79:25 amSYD - ORD

2 stops24h 24mDelta

Tue 7/152:15 pmORD - SYD

2 stops25h 20mDelta

Deal found 4/28

$1,349

Wed 7/169:55 amSYD - ORD

2 stops26h 23mAir New Zealand

Mon 7/213:35 pmORD - SYD

2 stops26h 10mAir New Zealand

Deal found 4/29

$1,359

Fri 7/45:45 pmSYD - ORD

1 stop20h 50mQantas Airways

Thu 7/248:50 amORD - SYD

1 stop31h 15mQantas Airways

Deal found 4/28

$1,431

Sun 7/139:40 pmSYD - ORD

2 stops47h 00mAlaska Airlines

Tue 8/262:07 pmORD - SYD

2 stops38h 38mAlaska Airlines

Deal found 4/27

$1,506

Sun 7/138:55 pmSYD - ORD

2 stops51h 45mTurkish Airlines

Mon 8/2511:45 pmORD - SYD

2 stops52h 15mTurkish Airlines

Deal found 4/27

$1,642

Last-minute flights from Sydney to O'Hare Intl
Discover last-minute flight deals from Sydney to O'Hare Intl. Data last updated April 29, 2025 and is based on user searches.

Tue 4/299:20 amSYD - ORD

3 stops37h 42mAir Canada

Thu 5/810:40 amORD - SYD

2 stops29h 40mAir Canada

Deal found 4/28

$1,426

Wed 4/3011:50 amSYD - ORD

2 stops32h 14mANA

Wed 5/75:45 pmORD - SYD

1 stop34h 30mANA

Deal found 4/29

$1,231

Wed 4/308:55 amSYD - ORD

2 stops30h 04mJapan Airlines

Wed 5/77:25 amORD - SYD

2 stops31h 55mJapan Airlines

Deal found 4/29

$1,340

Wed 4/309:45 pmSYD - ORD

3 stops47h 32mChina Southern

Wed 5/75:38 pmORD - SYD

2 stops35h 02mChina Southern

Deal found 4/29

$2,923

Mon 5/127:30 pmSYD - ORD

1 stop50h 55mAir India

Mon 6/212:00 pmORD - SYD

1 stop39h 00mAir India

Deal found 4/28

$7,882

Tue 5/131:15 pmSYD - ORD

2 stops24h 17mFiji Airways

Tue 6/34:51 pmORD - SYD

2 stops27h 54mFiji Airways

Deal found 4/28

$6,721

Tue 5/137:55 amSYD - ORD

1 stop40h 45mKorean Air

Tue 6/311:03 amORD - SYD

2 stops28h 17mKorean Air

Deal found 4/28

$10,169

Thu 5/159:25 amSYD - ORD

2 stops22h 20mDelta

Thu 5/221:40 pmORD - SYD

2 stops25h 55mDelta

Deal found 4/27

$1,685

Sat 5/1710:20 amSYD - ORD

2 stops46h 30mFinnair

Thu 5/229:30 pmORD - SYD

2 stops65h 55mFinnair

Deal found 4/29

$5,536

Sun 5/259:40 pmSYD - ORD

2 stops36h 19mAlaska Airlines

Thu 6/57:59 pmORD - SYD

2 stops56h 46mAlaska Airlines

Deal found 4/28

$5,162

Wed 5/281:15 pmSYD - ORD

2 stops32h 27mMultiple Airlines

Wed 6/48:37 amORD - SYD

3 stops35h 03mMultiple Airlines

Deal found 4/28

$1,292

Wed 5/282:05 pmSYD - ORD

1 stop39h 20mCathay Pacific

Wed 6/44:00 pmORD - SYD

1 stop27h 50mCathay Pacific

Deal found 4/28

$1,331

One-way flights from Sydney to O'Hare Intl
Search for one-way flight options from Sydney to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated April 29, 2025.

Wed 5/211:15 pmSYD - ORD

2 stops39h 20mMultiple Airlines

Deal found 4/29

$482

Sun 6/19:10 amSYD - ORD

1 stop19h 46mAmerican Airlines

Deal found 4/29

$694

Thu 5/292:05 pmSYD - ORD

1 stop39h 20mCathay Pacific

Deal found 4/28

$829

Sat 6/2110:20 amSYD - ORD

1 stop34h 09mUnited Airlines

Deal found 4/29

$912

Thu 5/298:55 amSYD - ORD

3 stops25h 43mAir Tahiti Nui

Deal found 4/28

$1,048

Sat 5/179:10 amSYD - ORD

1 stop21h 45mQantas Airways

Deal found 4/28

$1,097

Sat 5/179:25 amSYD - ORD

2 stops24h 23mDelta

Deal found 4/28

$1,103

Sun 6/19:45 pmSYD - ORD

3 stops47h 22mChina Southern

Deal found 4/29

$1,213

Tue 6/179:20 amSYD - ORD

3 stops37h 39mAir Canada

Deal found 4/29

$1,367

Fri 5/303:00 pmSYD - ORD

3 stops45h 54mSingapore Airlines

Deal found 4/28

$1,420

Fri 6/132:40 pmSYD - ORD

3 stops40h 38mBritish Airways

Deal found 4/29

$3,401

Sun 6/19:50 pmSYD - ORD

2 stops59h 00mFinnair

Deal found 4/28

$3,585

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Fri 6/13

6:15 am-11:05 pm

2 stops31h 50m

Chicago O'Hare Intl

Fri 6/20

6:10 am-11:45 am

2 stops38h 35m

$1,032

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 6/24

11:50 am-8:25 pm

2 stops47h 35m

Chicago O'Hare Intl

Tue 7/29

5:45 pm-7:15 pm

1 stop34h 30m

$1,184

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 6/24

9:10 am-6:35 pm

2 stops24h 25m

Chicago O'Hare Intl

Tue 7/29

4:39 pm-7:05 am

2 stops23h 26m

$1,195

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 6/12

8:55 am-9:15 am

1 stop39h 20m

Chicago O'Hare Intl

Wed 6/18

1:30 am-6:20 am

1 stop37h 50m

$1,228

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 6/10

9:20 am-7:59 am

2 stops37h 39m

Chicago O'Hare Intl

Tue 6/24

3:35 pm-7:20 am

1 stop24h 45m

$1,309

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 7/17

10:10 am-2:25 pm

1 stop43h 15m

Chicago O'Hare Intl

Tue 7/22

4:00 pm-10:50 am

1 stop27h 50m

$1,327

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 7/14

9:30 am-8:08 pm

2 stops25h 38m

Chicago O'Hare Intl

Tue 8/26

8:20 pm-7:00 am

1 stop43h 40m

$1,340

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 7/7

9:25 am-6:49 pm

2 stops24h 24m

Chicago O'Hare Intl

Tue 7/15

2:15 pm-6:35 am

2 stops25h 20m

$1,349

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 7/16

9:55 am-9:18 pm

2 stops26h 23m

Chicago O'Hare Intl

Mon 7/21

3:35 pm-8:45 am

2 stops26h 10m

$1,359

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Fri 7/4

5:45 pm-11:35 pm

1 stop20h 50m

Chicago O'Hare Intl

Thu 7/24

8:50 am-7:05 am

1 stop31h 15m

$1,431

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 24 results

Compare providers for flights from Sydney to O'Hare Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sydney to O'Hare Intl in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust 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 Sydney-Chicago O'Hare Intl Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Sydney-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Sydney-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Sydney-Chicago O'Hare Intl Airport flights, Cheapflights users trust AranGrant the most. AranGrant 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 Sydney-Chicago O'Hare Intl Airport 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 Sydney to O'Hare Intl

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

Cheapflights Insights

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

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

The best time to book flights from Sydney to Chicago O'Hare Intl Airport is 90 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 Sydney to Chicago O'Hare Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Sydney to Chicago O'Hare Intl Airport (average of $245). Flying from Sydney to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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 SYD to ORD?

A simple way to save on the total cost of your ticket is to fly from Sydney to Chicago O'Hare Intl Airport at noon. If you’re flexible enough to do this you can expect to save up to 12% on your trip compared to booking a flight in the afternoon.

Rainfall in O'Hare Intl by month

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing O'Hare Intl

Air Tahiti Nui

8.8

Very good

62 reviews

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

8.8

Very good

62 reviews

Air Tahiti Nui

8.8

Very good

62 reviews

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Japan Airlines

8.3

Very good

1,459 reviews

Air Tahiti Nui

8.8

Very good

62 reviews

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

ANA

8.3

Very good

855 reviews

Air Tahiti Nui

8.8

Very good

62 reviews

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Singapore Airlines

8.1

Very good

1,292 reviews

Air Tahiti Nui

8.8

Very good

62 reviews

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Delta

8.0

Very good

7,929 reviews

Air Tahiti Nui

8.8

Very good

62 reviews

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Related info for your journey

What airport do you fly from for flights from Sydney to Chicago O'Hare Intl?
If you book a flight to Chicago O'Hare Intl from Sydney, you will be flying from Kingsford Smith, which is the city’s only airport. Sydney Kingsford Smith (SYD) is located 4.6 mi from the center of Sydney. There are 0 flights from Kingsford Smith to Chicago O'Hare Intl per day from 2 different airlines.
What are the cheapest airlines flying from Sydney to Chicago O'Hare Intl Airport round-trip?
According to our current data, ANA ($1,184), American Airlines ($1,195), and Japan Airlines ($1,228) offers the cheapest pricing from Sydney to Chicago O'Hare Intl Airport.
What are the cheapest airlines to fly from Sydney to Chicago O'Hare Intl Airport one-way?
$694 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Cathay Pacific and United Airlines, with prices starting from $829 and $912, respectively.
Can I find deals for flights from Sydney to O'Hare Intl that include hotel bookings?
Yes. In addition to deals on Sydney to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Sydney to O'Hare Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to O'Hare Intl.
Can I find deals for business class flights from Sydney to O'Hare Intl?
Yes. Cheapflights offers flight deals from Sydney to O'Hare Intl 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 Sydney to Chicago O'Hare Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Sydney to Chicago O'Hare Intl Airport (average of $245). Flying from Sydney to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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 Sydney to O'Hare Intl

Airline	Cheapest	Average	Flexibility	On-time
Qantas Airways	Cheapest$631	Average$762	FlexibilityNo cancel fee	On-time74%
American Airlines	Cheapest$884	Average$1,296	FlexibilityNo cancel fee	On-time71%

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$482+ Cheap flights from Sydney (SYD) to O'Hare Intl (ORD)

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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sydney to O'Hare Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

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Cheapflights Tip: The best prices from Sydney Kingsford Smith to Chicago O'Hare Intl are usually found in February or March, booked 90 days in advance, depart on a Monday or Tuesday and return on a Saturday

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Find flight deals from Sydney to O'Hare Intl

Cheapest flights from Sydney to O'Hare IntlExplore the most affordable flight options available from Sydney to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Explore the most affordable flight options available from Sydney to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

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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.

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

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Sydney with our price prediction graph.

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

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

Use this chart to determine the optimal time to book a round-trip flight from Sydney to O'Hare Intl. Price data was last updated on April 25, 2025.

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

What is the cheapest time of day to fly from SYD to ORD?

Find hourly flight availability from Sydney to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

Reviews of airlines servicing O'Hare Intl

Related info for your journey

Find useful and relevant information for your journey from Sydney to O'Hare Intl. 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 from for flights from Sydney to Chicago O'Hare Intl?

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

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

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

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Cheapest flights from Sydney to O'Hare Intl
Explore the most affordable flight options available from Sydney to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.