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$811+ 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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
— ORD
25 Dec — 1 Jan1
1 adult
1 adult, Economy, 0 bags

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Enter your travel dates to find the best prices.

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 25 November 2025.

Thu 4/1209:15SYD - ORD
1 stop39h 15mJapan Airlines
Mon 8/1217:35ORD - SYD
1 stop44h 15mJapan Airlines
Deal found 23/11$2,240
Thu 4/1221:45SYD - ORD
1 stop26h 35mANA
Mon 8/1218:05ORD - SYD
2 stops33h 10mANA
Deal found 23/11$2,378
Thu 25/1211:50SYD - ORD
1 stop19h 50mUnited Airlines
Fri 23/118:29ORD - SYD
1 stop21h 46mUnited Airlines
Deal found 24/11$2,429
Thu 25/1214:15SYD - ORD
2 stops36h 10mDelta
Fri 23/105:30ORD - SYD
2 stops34h 00mDelta
Deal found 24/11$2,449
Thu 4/1211:20SYD - ORD
1 stop22h 34mAmerican Airlines
Mon 8/1215:11ORD - SYD
1 stop24h 49mAmerican Airlines
Deal found 22/11$2,499
Thu 4/1211:20SYD - ORD
2 stops25h 50mAir Canada
Mon 8/1214:00ORD - SYD
2 stops26h 35mAir Canada
Deal found 23/11$2,516
Sun 14/1221:45SYD - ORD
1 stop26h 35mANA
Mon 29/1218:32ORD - SYD
2 stops46h 58mANA
Deal found 24/11$2,517
Thu 25/1208:45SYD - ORD
2 stops25h 06mMultiple Airlines
Fri 23/115:10ORD - SYD
1 stop24h 50mMultiple Airlines
Deal found 23/11$2,640
Thu 25/1216:00SYD - ORD
2 stops33h 05mAir Canada
Fri 23/115:35ORD - SYD
1 stop25h 00mAir Canada
Deal found 24/11$2,801
Sat 13/1221:45SYD - ORD
1 stop26h 35mANA
Sun 28/1218:32ORD - SYD
2 stops46h 58mANA
Deal found 23/11$2,818
Sat 13/1206:30SYD - ORD
2 stops34h 43mMultiple Airlines
Sun 28/1216:25ORD - SYD
1 stop25h 05mMultiple Airlines
Deal found 23/11$2,849

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 25 November 2025.

Return from

$1,564

One-way from

$811

Popular in

December

Cheapest in

March

Average price

$1,788
Air New Zealand
  • Air New Zealand
  • 29/4-8/5
  • 4 total stops
  • 49h 51m total
  • Sydney to Chicago
Search Deals
5/3
  • 5/3
  • 2 total stops
  • 42h 58m total
  • Sydney to Chicago
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($427 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($69 potential savings vs. average return price).
Search Deals
Average for return flights in November 2025
Search Deals

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 25 November 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

Tue 3/2

11:45-20:25

2 stops25h 40m

Chicago O'Hare Intl

Fri 20/2

16:00-08:45

2 stops23h 45m

$1,765

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Sat 16/5

11:50-21:11

2 stops24h 21m

Chicago O'Hare Intl

Sat 6/6

16:40-08:45

2 stops25h 05m

$1,767

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Sun 26/4

11:50-23:11

2 stops26h 21m

Chicago O'Hare Intl

Wed 29/4

16:40-08:45

2 stops25h 05m

$1,774

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 3/2

11:20-11:06

2 stops40h 46m

Chicago O'Hare Intl

Fri 20/2

15:35-09:35

1 stop25h 00m

$1,932

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 29/4

09:20-08:05

2 stops37h 45m

Chicago O'Hare Intl

Fri 8/5

08:40-07:20

3 stops31h 40m

$1,941

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 11/3

10:20-14:41

1 stop20h 21m

Chicago O'Hare Intl

Sun 15/3

20:40-08:35

2 stops43h 55m

$1,980

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 9/3

11:20-13:01

2 stops41h 41m

Chicago O'Hare Intl

Wed 11/3

15:35-08:35

1 stop25h 00m

$2,039

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 5/3

12:10-17:00

2 stops21h 50m

Chicago O'Hare Intl

Sat 14/3

21:05-06:20

1 stop41h 15m

$2,075

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 9/3

12:10-18:51

1 stop22h 41m

Chicago O'Hare Intl

Mon 16/3

16:00-07:00

1 stop23h 00m

$2,075

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 5/3

14:00-15:58

2 stops42h 58m

$811

Flights are sorted by cheapest return flights first.

Deals found on 21/11

Showing 1-10 of 20 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 21 November 2025.

To ensure you get the cheapest price possible for a flight to O'Hare Intl, you should look to book at least 78 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.

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.

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 25 November 2025.
Check out reviews from past customers who have flown Air New Zealand, Qantas Airways, andUnited Airlines to the United States to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air New Zealand
8.0
Very Good
536 reviews
Check prices

Crew

8.5

Boarding

8.2

Food

7.4

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Annabel,Nov 2025

AKL - WRE

The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.
Air New Zealand
8.0
Very Good
536 reviews
Air New Zealand
8.0
Very Good
536 reviews
Check prices

Crew

8.5

Boarding

8.2

Food

7.4

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Annabel,Nov 2025

AKL - WRE

The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.
Qantas Airways
7.5
Good
943 reviews
Air New Zealand
8.0
Very Good
536 reviews
Check prices

Crew

8.5

Boarding

8.2

Food

7.4

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Annabel,Nov 2025

AKL - WRE

The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.
United Airlines
7.4
Good
9,043 reviews
Air New Zealand
8.0
Very Good
536 reviews
Check prices

Crew

8.5

Boarding

8.2

Food

7.4

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Annabel,Nov 2025

AKL - WRE

The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.
American Airlines
7.2
Good
11,040 reviews
Air New Zealand
8.0
Very Good
536 reviews
Check prices

Crew

8.5

Boarding

8.2

Food

7.4

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Annabel,Nov 2025

AKL - WRE

The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.
Air Canada
7.1
Good
10,469 reviews
Air New Zealand
8.0
Very Good
536 reviews
Check prices

Crew

8.5

Boarding

8.2

Food

7.4

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Annabel,Nov 2025

AKL - WRE

The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.

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 $183.

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

    A return flight to O'Hare Intl will typically cost around $447, however they can be found for as little as $183.

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

    For those looking to save time traveling to O'Hare Intl, Brisbane 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

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