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$772+ 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 23/8. Fares are subject to change and may not be available on all flights or dates of travel.
— ORD
18 Jun — 25 Jun1
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 13 June 2025.

Return from

$1,606

One-way from

$772

Popular in

December

Cheapest in

March

Average price

$1,669
14/8-4/9
  • 14/8-4/9
  • 4 total stops
  • 63h 26m total
  • Sydney to Chicago
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23/8
  • 23/8
  • 2 total stops
  • 24h 21m total
  • Sydney to Chicago
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($588 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease ($123 potential savings vs. average return price).
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Average for return flights in June 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 13 June 2025.

Thu 14/813:15SYD - ORD
2 stops24h 31mMultiple Airlines
Thu 4/906:20ORD - SYD
2 stops38h 55mMultiple Airlines
Deal found 12/6$1,606
Mon 21/709:25SYD - ORD
2 stops25h 02mDelta
Sun 17/815:50ORD - SYD
2 stops23h 45mDelta
Deal found 12/6$1,678
Fri 13/620:55SYD - ORD
1 stop26h 45mANA
Thu 31/709:05ORD - SYD
2 stops43h 10mANA
Deal found 12/6$1,686
Mon 4/809:10SYD - ORD
1 stop23h 32mAmerican Airlines
Mon 25/806:00ORD - SYD
1 stop34h 05mAmerican Airlines
Deal found 12/6$1,733
Wed 23/708:55SYD - ORD
2 stops29h 48mJapan Airlines
Tue 19/801:30ORD - SYD
1 stop37h 50mJapan Airlines
Deal found 12/6$1,868
Thu 17/709:10SYD - ORD
1 stop21h 34mBritish Airways
Mon 28/722:17ORD - SYD
1 stop41h 48mBritish Airways
Deal found 9/6$1,891
Wed 8/1010:20SYD - ORD
2 stops27h 47mAir Canada
Thu 16/1008:55ORD - SYD
2 stops31h 25mAir Canada
Deal found 10/6$1,957
Thu 12/607:40SYD - ORD
1 stop45h 45mCathay Pacific
Wed 25/616:00ORD - SYD
1 stop27h 50mCathay Pacific
Deal found 11/6$2,109
Thu 25/1211:20SYD - ORD
1 stop26h 02mUnited Airlines
Fri 23/112:45ORD - SYD
1 stop24h 35mUnited Airlines
Deal found 10/6$2,165
Sat 19/721:40SYD - ORD
2 stops47h 00mAlaska Airlines
Wed 30/706:00ORD - SYD
2 stops46h 45mAlaska Airlines
Deal found 11/6$2,244

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 13 June 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 14/8

13:15-22:46

2 stops24h 31m

Chicago O'Hare Intl

Thu 4/9

06:20-12:15

2 stops38h 55m

$1,606

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 21/7

09:25-19:27

2 stops25h 02m

Chicago O'Hare Intl

Sun 17/8

15:50-06:35

2 stops23h 45m

$1,678

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 4/8

20:55-08:40

1 stop26h 45m

Chicago O'Hare Intl

Mon 25/8

20:20-19:15

2 stops31h 55m

$1,712

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 4/8

09:10-17:42

1 stop23h 32m

Chicago O'Hare Intl

Mon 25/8

06:00-07:05

1 stop34h 05m

$1,733

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 23/7

08:55-23:43

2 stops29h 48m

Chicago O'Hare Intl

Tue 19/8

01:30-06:20

1 stop37h 50m

$1,868

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 31/7

09:20-07:59

2 stops37h 39m

Chicago O'Hare Intl

Thu 7/8

08:45-07:20

2 stops31h 35m

$1,970

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Sat 19/7

14:05-14:25

1 stop39h 20m

Chicago O'Hare Intl

Wed 30/7

16:00-10:50

1 stop27h 50m

$2,088

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Sat 19/7

21:40-05:40

2 stops47h 00m

Chicago O'Hare Intl

Wed 30/7

06:00-19:45

2 stops46h 45m

$2,244

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 25/6

09:30-04:51

1 stop34h 21m

Chicago O'Hare Intl

Mon 4/8

07:10-07:00

1 stop32h 50m

$2,541

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Sat 23/8

13:45-23:06

2 stops24h 21m

$772

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 17 results
1
2

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 9 June 2025.

To ensure you get the cheapest price possible for a flight to O'Hare Intl, you should look to book at least 15 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 21 hours 40 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 $662
Air Canada
Air Canada
From $832
United Airlines
United Airlines
From $1,104
American Airlines
American Airlines
From $780

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

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

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 13 June 2025.
Read reviews from past customers who have flown Air Tahiti Nui, Japan Airlines and ANA 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
8.7
Very Good
64 reviews
Check prices

Boarding

8.7

Comfort

8.1

Entertainment

7.3

Overall

8.7

Food

7.8

Crew

9.0

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

Boarding

8.7

Comfort

8.1

Entertainment

7.3

Overall

8.7

Food

7.8

Crew

9.0

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
1,490 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Boarding

8.7

Comfort

8.1

Entertainment

7.3

Overall

8.7

Food

7.8

Crew

9.0

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
882 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Boarding

8.7

Comfort

8.1

Entertainment

7.3

Overall

8.7

Food

7.8

Crew

9.0

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.
Alaska Airlines
8.0
Very Good
10,000 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Boarding

8.7

Comfort

8.1

Entertainment

7.3

Overall

8.7

Food

7.8

Crew

9.0

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
7,946 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Boarding

8.7

Comfort

8.1

Entertainment

7.3

Overall

8.7

Food

7.8

Crew

9.0

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 $50, while return flights cost around $153.

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

    A return flight to O'Hare Intl will typically cost around $101, however they can be found for as little as $100.

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

    For those looking to save time traveling to O'Hare Intl, Melbourne offers the quickest one-way flight (21 hours 19 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
Skokie

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