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$753+ 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 21/5. Fares are subject to change and may not be available on all flights or dates of travel.
— ORD
5 May — 12 May1
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 30 April 2025.

Return from

$1,557

One-way from

$753

Popular in

December

Cheapest in

March

Average price

$1,326
5/6-23/6
  • 5/6-23/6
  • 4 total stops
  • 63h 15m total
  • Sydney to Chicago
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21/5
  • 21/5
  • 2 total stops
  • 39h 20m total
  • Sydney to Chicago
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($504 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease ($111 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 30 April 2025.

Thu 5/613:15SYD - ORD
2 stops24h 40mMultiple Airlines
Mon 23/606:10ORD - SYD
2 stops38h 35mMultiple Airlines
Deal found 29/4$1,557
Thu 11/911:50SYD - ORD
1 stop35h 50mANA
Mon 15/920:20ORD - SYD
2 stops31h 55mANA
Deal found 29/4$1,707
Tue 24/609:10SYD - ORD
2 stops24h 25mAmerican Airlines
Tue 29/716:39ORD - SYD
2 stops23h 26mAmerican Airlines
Deal found 29/4$1,866
Wed 1/1007:45SYD - ORD
2 stops29h 56mAir New Zealand
Fri 10/1014:20ORD - SYD
2 stops26h 25mAir New Zealand
Deal found 29/4$1,895
Wed 4/608:55SYD - ORD
1 stop39h 20mJapan Airlines
Sun 22/609:12ORD - SYD
2 stops30h 08mJapan Airlines
Deal found 28/4$1,955
Wed 3/1211:15SYD - ORD
1 stop23h 13mQantas Airways
Thu 11/1216:45ORD - SYD
2 stops36h 40mQantas Airways
Deal found 29/4$1,967
Thu 4/1216:00SYD - ORD
2 stops33h 57mAir Canada
Thu 11/1213:00ORD - SYD
2 stops24h 55mAir Canada
Deal found 29/4$2,033
Thu 19/610:10SYD - ORD
1 stop43h 15mCathay Pacific
Sat 28/616:00ORD - SYD
1 stop27h 50mCathay Pacific
Deal found 30/4$2,070
Mon 1/1211:20SYD - ORD
1 stop20h 17mUnited Airlines
Tue 9/1212:49ORD - SYD
1 stop25h 11mUnited Airlines
Deal found 29/4$2,092
Sun 10/809:25SYD - ORD
2 stops38h 06mDelta
Sun 24/807:00ORD - SYD
2 stops32h 35mDelta
Deal found 29/4$2,183
Fri 5/1209:10SYD - ORD
1 stop40h 20mKorean Air
Sun 7/1211:05ORD - SYD
1 stop26h 50mKorean Air
Deal found 29/4$2,356
Thu 2/1021:40SYD - ORD
2 stops34h 09mAlaska Airlines
Thu 9/1019:55ORD - SYD
2 stops31h 50mAlaska Airlines
Deal found 29/4$2,728

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 30 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

Thu 5/6

13:15-22:55

2 stops24h 40m

Chicago O'Hare Intl

Mon 23/6

06:10-11:45

2 stops38h 35m

$1,557

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 11/9

11:50-08:40

1 stop35h 50m

Chicago O'Hare Intl

Mon 15/9

20:20-19:15

2 stops31h 55m

$1,707

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 24/6

09:10-18:35

2 stops24h 25m

Chicago O'Hare Intl

Tue 29/7

16:39-07:05

2 stops23h 26m

$1,866

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 1/10

07:45-22:41

2 stops29h 56m

Chicago O'Hare Intl

Fri 10/10

14:20-08:45

2 stops26h 25m

$1,895

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 4/6

08:55-09:15

1 stop39h 20m

Chicago O'Hare Intl

Sun 22/6

09:12-06:20

2 stops30h 08m

$1,955

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 11/9

09:20-07:59

2 stops37h 39m

Chicago O'Hare Intl

Mon 15/9

20:25-07:20

2 stops43h 55m

$2,044

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 19/6

10:10-14:25

1 stop43h 15m

Chicago O'Hare Intl

Sat 28/6

16:00-10:50

1 stop27h 50m

$2,070

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 18/6

09:30-14:39

1 stop20h 09m

Chicago O'Hare Intl

Wed 25/6

19:40-07:00

1 stop20h 20m

$2,092

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 4/8

09:25-19:27

2 stops25h 02m

Chicago O'Hare Intl

Mon 25/8

10:35-06:35

2 stops29h 00m

$2,108

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Fri 4/7

17:45-23:35

1 stop20h 50m

Chicago O'Hare Intl

Thu 24/7

10:00-07:05

1 stop30h 05m

$2,241

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 24 results
1
2
3

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 25 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 20 hours 50 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 $663

Air Canada

Air Canada

From $832

United Airlines

United Airlines

From $1,015

American Airlines

American Airlines

From $990

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 30 April 2025.
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Entertainment

7.3

Boarding

8.7

Crew

9.1

Overall

8.8

Food

7.8

Comfort

8.1

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

Entertainment

7.3

Boarding

8.7

Crew

9.1

Overall

8.8

Food

7.8

Comfort

8.1

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
1,459 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Entertainment

7.3

Boarding

8.7

Crew

9.1

Overall

8.8

Food

7.8

Comfort

8.1

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
852 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Entertainment

7.3

Boarding

8.7

Crew

9.1

Overall

8.8

Food

7.8

Comfort

8.1

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.
Singapore Airlines
8.1
Very Good
1,292 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Entertainment

7.3

Boarding

8.7

Crew

9.1

Overall

8.8

Food

7.8

Comfort

8.1

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
7,934 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Entertainment

7.3

Boarding

8.7

Crew

9.1

Overall

8.8

Food

7.8

Comfort

8.1

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, Qantas Airways 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 $90, while return flights cost around $245.

  • 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 (20 hours 50 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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