SYD - ORD

$701 Find Cheap Flights from Sydney to Chicago O'Hare Airport – Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 26% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest return flight
$1,459
Typical prices: $1,570-$2,330
Qantas Airways
Sat 17/11Sat 24/11
SYD - ORD • 1 stop
Cheapest one-way flight
$701
Typical prices: $1,152-$1,674
Multiple Airlines
Thu 15/2
SYD - ORD • 2 stops
Direct flights
Not available
There are currently no direct flights between Sydney and Chicago O'Hare Intl Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
20 weeks
in advance
Our data shows that travellers who book at least 20 weeks in advance save around 30% compared to booking last minute.
Insights
Insights
When to travel
October
Cheapest • 18% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Dallas/Fort Worth (DFW)
Cheapest • Avg $1,622 (return)
Houston George Bush Intcntl (IAH)
Shortest trip • 21h 06m (one-way)
Insights
Insights
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to Chicago O'Hare Intl Airport!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Sydney to O'Hare Intl (SYD-ORD)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Sydney to O'Hare Intl

Tue, 17 Nov - Tue, 24 Nov
Qantas Airways Logo
14:05 - 18:30SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
21h 25m1 stop Dallas/Fort Worth
Qantas Airways Logo
06:40 - 09:00ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
33h 20m1 stop Los Angeles
$1,459Qantas Airways
Thu, 12 Nov - Mon, 30 Nov
Philippine Airlines Logo
11:30 - 16:55SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
46h 25m1 stop Manila Ninoy Aquino Intl
Philippine Airlines Logo
22:45 - 09:50ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
42h 05m1 stop Manila Ninoy Aquino Intl
$1,459Philippine Airlines
Thu, 19 Nov - Wed, 25 Nov
Philippine Airlines Logo
11:30 - 16:55SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
46h 25m1 stop Manila Ninoy Aquino Intl
Philippine Airlines Logo
22:45 - 09:50ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
42h 05m1 stop Manila Ninoy Aquino Intl
$1,460Philippine Airlines
Thu, 26 Nov - Sat, 5 Dec
American Airlines Logo
11:10 - 00:13SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
30h 03m1 stop Los Angeles
American Airlines Logo
16:00 - 06:55ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
21h 55m1 stop Dallas/Fort Worth
$1,486American Airlines
Wed, 4 Nov - Tue, 1 Dec
Qantas Airways Logo
11:10 - 16:05SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
21h 55m1 stop Los Angeles
Qantas Airways Logo
15:25 - 09:00ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
24h 35m1 stop Los Angeles
$1,663Qantas Airways
Thu, 5 Nov - Mon, 9 Nov
United Airlines Logo
11:50 - 14:49SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
19h 59m1 stop San Francisco
United Airlines Logo
21:57 - 09:20ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
42h 23m1 stop San Francisco
$1,709United Airlines
Wed, 4 Nov - Tue, 1 Dec
United Airlines Logo
11:20 - 17:05SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
22h 45m2 stops Los Angeles Denver Intl
United Airlines Logo
16:07 - 09:05ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
23h 58m2 stops Denver Intl Los Angeles
$1,709United Airlines
Mon, 15 Feb - Wed, 21 Apr
Delta Logo
10:40 - 13:47SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
20h 07m1 stop Los Angeles
Delta Logo
13:55 - 06:50ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
25h 55m2 stops Salt Lake City Los Angeles
$1,710Delta
Tue, 16 Feb - Sun, 18 Apr
Delta Logo
10:40 - 13:47SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
20h 07m1 stop Los Angeles
Delta Logo
18:30 - 06:50ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
21h 20m1 stop Los Angeles
$1,710Delta
Wed, 17 Feb - Sat, 17 Apr
American Airlines Logo
11:20 - 18:28SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
24h 08m1 stop Los Angeles
American Airlines Logo
19:17 - 07:05ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
20h 48m1 stop Los Angeles
$1,774American Airlines
Booking Insights

Price, demand, and travel trends for Sydney to Chicago O'Hare Intl Airport flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

How much is a return flight from Sydney to Chicago O'Hare Intl Airport?

Return flights from Sydney to Chicago O'Hare Intl Airport typically range from $1,570 to $2,330. The lowest price found in the past 5 days was $1,459 on Qantas Airways.

What's the cheapest day of the week to fly from Sydney to Chicago O'Hare Intl Airport?

Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from Sydney to Chicago O'Hare Intl Airport. It’s 6% cheaper than the average day, while Saturday is the most expensive, with prices 9% higher.

What is the cheapest month to fly from Sydney to Chicago O'Hare Intl Airport?

•October is the cheapest month to fly from Sydney to Chicago O'Hare Intl Airport at $1,529 return.
•December ($2,284) and September ($2,077) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 49% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Sydney to Chicago O'Hare Intl Airport the cheapest?

Flights from Sydney to Chicago O'Hare Intl Airport are cheapest 20 weeks before departure. Booking in this window typically costs about 30% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Sydney to Chicago O'Hare Intl Airport flights

Low season

February

Cheapest flight

$701
Beat the crowds with an average 49% drop in traveller numbers.
The most popular month to fly with an average 83% increase in traveller numbers.
One-way flight from Sydney to Chicago O'Hare Intl Airport

When to book flights from Sydney to O'Hare Intl

Are your dates flexible? Find out the best times to travel from Sydney to O'Hare Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Sydney to Chicago O'Hare Intl Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • Which cabin classes can I book on flights from Sydney to Chicago O'Hare Intl Airport?

    Three cabin classes are available on flights from Sydney to Chicago O'Hare Intl Airport:

    • Economy class
    • Premium Economy Class
    • Business Class

  • How long is a flight from Sydney to Chicago O'Hare Intl Airport?

    A direct flight from Sydney to Chicago O'Hare Intl Airport takes 00m, covering 23,901 km.

  • Do I need a passport to fly from Sydney to Chicago O'Hare Intl Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Sydney to Chicago O'Hare Intl Airport flight?

    Return flights from Sydney to Chicago O'Hare Intl Airport range from $1,570 to $2,330, with an average of $1,873 over the past 12 months. Anything below $1,570 counts as a good deal.

  • How expensive are last-minute Sydney to Chicago O'Hare Intl Airport flights?

    Last-minute fares on this route (booked within two weeks of departure) run 12% above the $1,873 route average. Book 20 weeks before departure for the lowest fares.

  • How are flight prices from Sydney to Chicago O'Hare Intl Airport looking right now?

    One-way fares from Sydney to Chicago O'Hare Intl Airport are currently in line with typical prices for this route. Average one-way fares are about $1,419.

  • Which car hire options are available at Chicago O'Hare Intl Airport (ORD)?

    Chicago O'Hare Intl Airport (ORD) hosts 5 major car hire companies, with daily rates starting from around $24 for economy cars. Top options include:

    • Routes Car & Truck Rentals
    • Europcar
    • Hertz
    • Ace
    • Dollar

  • Which airports can I use when flying from Sydney to Chicago O'Hare Intl Airport?

    Flights from Sydney to Chicago O'Hare Intl Airport usually depart from Sydney Kingsford Smith (SYD) and arrive at Chicago O'Hare Intl (ORD).

  • Which airports do connecting flights from Sydney to Chicago O'Hare Intl Airport pass through?

    One-stop flights from Sydney to Chicago O'Hare Intl Airport most commonly connect through:

    • Los Angeles (LAX) – 65% of one-stop connections
    • Vancouver Intl (YVR) – 16% of one-stop connections
    • San Francisco (SFO) – 10% of one-stop connections
    • Dallas/Fort Worth (DFW) – 3% of one-stop connections

  • Can I save money by using flexible dates for flights from Sydney to Chicago O'Hare Intl Airport?

    Yes. Flexible dates can save you up to 15% on flights from Sydney to Chicago O'Hare Intl Airport. Sunday is the cheapest departure day at $1,767 return on average, while Saturday is the most expensive at $2,056, a difference of $289.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How much time can I save by choosing a different stopover airport from Sydney to Chicago O'Hare Intl Airport?

    Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time of 20h 43m, compared to 21h 06m via Houston George Bush Intcntl (IAH) and 21h 12m via Los Angeles (LAX).

  • What is the time difference between Sydney and Chicago O'Hare Intl Airport?

    Chicago O'Hare Intl Airport is 16 hours behind Sydney (Central Time vs Eastern Australia Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Chicago O'Hare Intl Airport?

    Some of the most popular sights in Chicago O'Hare Intl Airport are River North, Millennium Park, and Chicago Water Tower. These are among the most viewed places in Chicago O'Hare Intl Airport on KAYAK.

Your guide to booking Sydney to Chicago O'Hare Intl Airport flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Sunday departure and avoid flying on Saturday. On this route, Sunday flights average $1,767, about $289 less than Saturday fares (14% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 20 weeks before you fly. On this route, that window historically saves about 30% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Sydney to Chicago O'Hare Intl Airport trip for October. Fares historically average $1,529 return in that month – typically $755 less than the most expensive month, which is December (based on the last 12 months).

More options for your flight from Sydney to O'Hare Intl

Complete your trip to Chicago with a hotel stay or car hire

Car hire in Chicago
Hotels in Chicago
Holidays in Chicago