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$726+ 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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
— ORD
25 Mar — 1 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 20 March 2025.

Return from

$1,547

One-way from

$726

Popular in

December

Cheapest in

February

Average price

$1,429
24/5-31/5
  • 24/5-31/5
  • 4 total stops
  • 62h 55m total
  • Sydney to Chicago
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1/5
  • 1/5
  • 2 total stops
  • 22h 39m total
  • Sydney to Chicago
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($440 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease ($102 potential savings vs. average return price).
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Average for return flights in March 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 20 March 2025.

Tue 29/709:20SYD - ORD
1 stop20h 29mAir Canada
Tue 5/810:40ORD - SYD
2 stops29h 40mAir Canada
Deal found 18/3$1,319
Tue 6/521:30SYD - ORD
1 stop31h 52mAmerican Airlines
Thu 15/508:39ORD - SYD
1 stop31h 26mAmerican Airlines
Deal found 19/3$1,574
Thu 24/416:20SYD - ORD
2 stops28h 45mMultiple Airlines
Mon 12/508:37ORD - SYD
1 stop31h 53mMultiple Airlines
Deal found 18/3$1,615
Wed 26/311:15SYD - ORD
1 stop24h 28mQantas Airways
Mon 7/420:15ORD - SYD
1 stop43h 50mQantas Airways
Deal found 20/3$1,705
Wed 26/311:20SYD - ORD
2 stops24h 47mUnited Airlines
Wed 9/418:25ORD - SYD
1 stop21h 30mUnited Airlines
Deal found 20/3$1,729
Thu 3/408:40SYD - ORD
1 stop45h 45mCathay Pacific
Thu 17/416:00ORD - SYD
1 stop27h 50mCathay Pacific
Deal found 19/3$1,900
Tue 29/708:55SYD - ORD
2 stops30h 00mJapan Airlines
Mon 11/801:30ORD - SYD
1 stop37h 50mJapan Airlines
Deal found 18/3$1,998
Tue 1/412:50SYD - ORD
2 stops46h 49mANA
Thu 8/517:45ORD - SYD
1 stop34h 30mANA
Deal found 19/3$2,253
Sat 28/609:25SYD - ORD
2 stops27h 35mDelta
Fri 11/713:55ORD - SYD
2 stops25h 40mDelta
Deal found 20/3$2,523

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 20 March 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 27/3

10:25-14:39

1 stop20h 14m

Chicago O'Hare Intl

Tue 8/4

14:35-07:20

2 stops25h 45m

$1,550

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 6/5

21:30-14:22

1 stop31h 52m

Chicago O'Hare Intl

Thu 15/5

08:39-07:05

1 stop31h 26m

$1,574

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 24/4

16:20-06:05

2 stops28h 45m

Chicago O'Hare Intl

Mon 12/5

08:37-07:30

1 stop31h 53m

$1,615

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 26/3

11:15-23:59

1 stop28h 44m

Chicago O'Hare Intl

Sun 6/4

15:17-07:05

1 stop24h 48m

$1,705

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 26/3

11:20-20:07

2 stops24h 47m

Chicago O'Hare Intl

Wed 9/4

18:25-06:55

1 stop21h 30m

$1,729

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 3/4

08:40-14:25

1 stop45h 45m

Chicago O'Hare Intl

Thu 17/4

16:00-10:50

1 stop27h 50m

$1,900

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 1/4

12:50-19:39

2 stops46h 49m

Chicago O'Hare Intl

Thu 8/5

17:45-19:15

1 stop34h 30m

$2,253

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 7/5

19:25-19:38

3 stops39h 13m

Chicago O'Hare Intl

Tue 13/5

19:13-17:50

3 stops31h 37m

$2,723

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 1/4

11:05-06:33

2 stops35h 28m

Chicago O'Hare Intl

Thu 8/5

16:51-19:40

3 stops59h 49m

$3,006

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Sun 6/4

10:20-17:50

2 stops46h 30m

Chicago O'Hare Intl

Sun 13/4

21:30-05:10

2 stops40h 40m

$7,979

Flights are sorted by cheapest return flights first.

Deals found on 20/3

Showing 1-10 of 22 results
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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 14 March 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 22 hours 19 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, United Airlines and Air Canada.

Qantas Airways

Qantas Airways

From $665

United Airlines

United Airlines

From $1,015

Air Canada

Air Canada

From $966

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 ANA.

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 20 March 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
61 reviews
Check prices

Comfort

8.0

Food

7.8

Boarding

8.7

Entertainment

7.2

Overall

8.7

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
8.7
Very Good
61 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Comfort

8.0

Food

7.8

Boarding

8.7

Entertainment

7.2

Overall

8.7

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
1,437 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Comfort

8.0

Food

7.8

Boarding

8.7

Entertainment

7.2

Overall

8.7

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
828 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Comfort

8.0

Food

7.8

Boarding

8.7

Entertainment

7.2

Overall

8.7

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.
Emirates
8.0
Very Good
3,195 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Comfort

8.0

Food

7.8

Boarding

8.7

Entertainment

7.2

Overall

8.7

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.
Cathay Pacific
7.5
Good
830 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Comfort

8.0

Food

7.8

Boarding

8.7

Entertainment

7.2

Overall

8.7

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 $74, while return flights cost around $186.

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

    A return flight to O'Hare Intl will typically cost around $655, however they can be found for as little as $118.

  • 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 7 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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