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$804+ Cheap flights to O'Hare Intl

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 29/5. Fares are subject to change and may not be available on all flights or dates of travel.
— ORD
17 Apr — 24 Apr1
1 adult

Flights to O'Hare Intl in 2025

Find the latest flights to O'Hare Intl in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 12 April 2025.

Return from

$1,683

One-way from

$1,314

Popular in

December

Cheapest in

March

Average price

$1,343
12/5-16/5
  • 12/5-16/5
  • 6 total stops
  • 85h 04m total
  • Sydney to Chicago
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1/6
  • 1/6
  • 2 total stops
  • 41h 00m total
  • Sydney to Chicago
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($529 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease ($116 potential savings vs. average return price).
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Average for return flights in April 2025
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Find flight deals to O'Hare Intl Airport

Cheapest flights to O'Hare Intl Airport
Explore the most affordable flight options available to O'Hare Intl Airport. Find the lowest fares based on data from user searches, with prices last updated on 12 April 2025.

Fri 16/513:15SYD - ORD
2 stops37h 21mMultiple Airlines
Tue 3/608:37ORD - SYD
2 stops36h 08mMultiple Airlines
Deal found 9/4$1,500
Wed 3/1212:25SYD - ORD
1 stop35h 55mANA
Mon 8/1219:35ORD - SYD
2 stops55h 40mANA
Deal found 10/4$1,769
Fri 15/811:50SYD - ORD
2 stops24h 28mAir New Zealand
Sun 31/815:47ORD - SYD
2 stops27h 48mAir New Zealand
Deal found 10/4$1,795
Wed 3/1211:20SYD - ORD
2 stops42h 31mAir Canada
Mon 8/1214:00ORD - SYD
2 stops26h 35mAir Canada
Deal found 10/4$1,904
Mon 16/610:20SYD - ORD
2 stops27h 21mUnited Airlines
Wed 23/719:40ORD - SYD
1 stop20h 20mUnited Airlines
Deal found 10/4$2,032
Mon 16/609:25SYD - ORD
2 stops22h 21mDelta
Sun 13/707:15ORD - SYD
2 stops32h 20mDelta
Deal found 10/4$2,044
Thu 24/410:10SYD - ORD
1 stop43h 15mCathay Pacific
Tue 29/416:00ORD - SYD
1 stop47h 10mCathay Pacific
Deal found 10/4$2,107
Mon 16/609:10SYD - ORD
1 stop21h 34mQantas Airways
Sat 12/720:40ORD - SYD
1 stop43h 25mQantas Airways
Deal found 10/4$2,153
Wed 18/609:10SYD - ORD
1 stop23h 43mAmerican Airlines
Fri 11/713:23ORD - SYD
2 stops26h 42mAmerican Airlines
Deal found 10/4$2,225
Fri 16/508:55SYD - ORD
2 stops28h 37mJapan Airlines
Mon 2/601:30ORD - SYD
1 stop37h 50mJapan Airlines
Deal found 9/4$2,464
Wed 3/1219:15SYD - ORD
3 stops41h 20mAir Tahiti Nui
Mon 8/1220:25ORD - SYD
3 stops55h 15mAir Tahiti Nui
Deal found 10/4$2,722
Sat 12/409:30SYD - ORD
1 stop41h 24mVirgin Australia
Wed 30/421:21ORD - SYD
1 stop42h 39mVirgin Australia
Deal found 11/4$3,050

Cheapflights Fare Finder

Locate flights to O'Hare Intl that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 12 April 2025.
Use the filters below to find and compare flights to Chicago O'Hare Intl Airport that are best for you.

Fly from

Sydney

Route

Depart

Return

Price

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Fri 16/5

13:15-11:36

2 stops37h 21m

Chicago O'Hare Intl

Tue 3/6

08:37-11:45

2 stops36h 08m

$1,500

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 16/9

11:50-05:01

2 stops32h 11m

Chicago O'Hare Intl

Sun 21/9

17:45-09:25

1 stop24h 40m

$1,792

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Fri 15/8

11:50-21:18

2 stops24h 28m

Chicago O'Hare Intl

Sun 31/8

15:47-10:35

2 stops27h 48m

$1,795

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 16/9

09:20-10:53

2 stops40h 33m

Chicago O'Hare Intl

Sun 21/9

13:00-07:20

2 stops51h 20m

$1,948

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 16/6

10:20-22:41

2 stops27h 21m

Chicago O'Hare Intl

Wed 23/7

19:40-07:00

1 stop20h 20m

$2,032

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 16/6

09:25-16:46

2 stops22h 21m

Chicago O'Hare Intl

Sun 13/7

07:15-06:35

2 stops32h 20m

$2,044

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 24/4

10:10-14:25

1 stop43h 15m

Chicago O'Hare Intl

Tue 29/4

16:00-06:10

1 stop47h 10m

$2,107

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 16/6

09:10-17:53

1 stop23h 43m

Chicago O'Hare Intl

Sat 19/7

20:40-07:05

1 stop43h 25m

$2,153

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 18/6

09:10-17:53

1 stop23h 43m

Chicago O'Hare Intl

Fri 11/7

13:23-07:05

2 stops26h 42m

$2,225

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 22/4

08:55-05:14

2 stops35h 19m

Chicago O'Hare Intl

Sat 10/5

22:37-06:20

2 stops40h 43m

$2,400

Flights are sorted by cheapest return flights first.

Deals found on 10/4

Showing 1-10 of 25 results
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2
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Best time to book a flight to O'Hare Intl

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

When is the best time to book a flight to O'Hare Intl?

Use this chart to determine the optimal time to book a return flight from Sydney to O'Hare Intl. Price data was last updated on 4 April 2025.

To ensure you get the cheapest price possible for a flight to O'Hare Intl, you should look to book at least 90 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.

How long is the flight to O'Hare Intl?

On average, a flight from Sydney to O'Hare Intl takes 19 hours 32 minutes. Flights to O'Hare Intl from other popular cities in Australia will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly to O'Hare Intl?

Use this chart to determine the cheapest time to fly return from Sydney to O'Hare Intl. Price data was last updated on 16 December 2024.

Users looking for the lowest fares to O'Hare Intl should consider flying on Monday at midday, when prices are typically cheapest. Budget-minded travellers will want to avoid Sunday evenings, when prices are usually at their highest.

What are the most popular airlines that fly to O'Hare Intl?

The most popular airlines flying from Sydney to O'Hare Intl are Qantas Airways, Air Canada and United Airlines.

Qantas Airways

Qantas Airways

From $664

Air Canada

Air Canada

From $842

United Airlines

United Airlines

From $1,015

American Airlines

American Airlines

From $986

What are the cheapest airlines that fly to O'Hare Intl?

The cheapest airlines flying from Sydney to O'Hare Intl are Qantas Airways, Air Canada and American Airlines.

Rainfall in O'Hare Intl by month

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

In terms of precipitation, rainfall in O'Hare Intl ranges from 43.0 - 125.0 mm per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit O'Hare Intl when rainfall is around 43.0 mm.

Temperature in O'Hare Intl by month

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

If weather is an important factor for your trip to O'Hare Intl, 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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated 12 April 2025.
Read reviews from past customers who have flown Air Tahiti Nui, Korean Air and Japan Airlines to Chicago. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Boarding

8.7

Food

7.8

Comfort

8.1

Entertainment

7.3

Overall

8.8

Crew

9.1

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
Check prices

Boarding

8.7

Food

7.8

Comfort

8.1

Entertainment

7.3

Overall

8.8

Crew

9.1

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.
Korean Air
8.4
Very Good
1,060 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Boarding

8.7

Food

7.8

Comfort

8.1

Entertainment

7.3

Overall

8.8

Crew

9.1

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.
Japan Airlines
8.3
Very Good
1,440 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Boarding

8.7

Food

7.8

Comfort

8.1

Entertainment

7.3

Overall

8.8

Crew

9.1

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.
ANA
8.3
Very Good
837 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Boarding

8.7

Food

7.8

Comfort

8.1

Entertainment

7.3

Overall

8.8

Crew

9.1

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.
Delta
8.0
Very Good
7,913 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Boarding

8.7

Food

7.8

Comfort

8.1

Entertainment

7.3

Overall

8.8

Crew

9.1

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.

FAQs about flying to O'Hare Intl

  • Can I find cheaper flights to O'Hare Intl if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to O'Hare Intl on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to O'Hare Intl?

    Based on reviews from Cheapflights users, American Airlines is rated the highest out of the airlines that fly to O'Hare Intl.

  • What is the cheapest airport to fly to in O'Hare Intl?

    Chicago O'Hare Intl is currently the cheapest airport to fly to in O'Hare Intl. One-way flights to Chicago O'Hare Intl typically cost $67, while return flights cost around $251.

  • How much is a return flight to O'Hare Intl?

    A return flight to O'Hare Intl will typically cost around $784, however they can be found for as little as $157.

  • Where does the fastest flight to O'Hare Intl depart from?

    For those looking to save time traveling to O'Hare Intl, Sydney Kingsford Smith offers the quickest one-way flight (19 hours 32 minutes).

  • Does Chicago O'Hare Intl have car hire?

    Yes. Those touching down at Chicago O'Hare Intl can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Chicago O'Hare Intl?

    Yes. Chicago O'Hare Intl has hotels nearby for those requiring accommodations. Hilton Chicago O'Hare Airport is the closest property to Chicago O'Hare Intl (0.0 km away from Chicago O'Hare Intl).

See more FAQs

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

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Arlington Heights
Skokie

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