SYD - ORD

$695 Find Cheap Flights from Sydney to Chicago O'Hare Airport - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,067
Typical prices: $1,060-$1,502
Multiple Airlines
Mon 11/5Mon 11/12
SYD - ORD • 3 stops
Cheapest one-way
$715
Typical prices: $791-$1,092
Cathay Pacific
Sun 1/28
SYD - ORD • 1 stop
Nonstop 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 travelers who book at least 20 weeks in advance save around 10% compared to booking last minute.
Insights
Insights
When to travel
September
Cheapest • 24% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Dallas/Fort Worth (DFW)
Cheapest • Avg $1,141 (round-trip)
San Francisco (SFO)
Shortest trip • 21h 02m (one-way)
Insights
Insights
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We hope you love 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 round-trip flight deals from Sydney to O'Hare Intl

Thu, Nov 5 - Thu, Nov 12
Multiple Airlines Logo
2:00 pm - 5:13 amSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
32h 13m3 stops Nadi Los Angeles Las Vegas Harry Reid Intl
Multiple Airlines Logo
10:26 am - 12:35 pmORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
33h 09m3 stops Atlanta Hartsfield-Jackson Los Angeles Nadi
$1,067Multiple Airlines
Thu, Nov 5 - Thu, Nov 12
Multiple Airlines Logo
2:00 pm - 5:13 amSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
32h 13m3 stops Nadi Los Angeles Las Vegas Harry Reid Intl
Multiple Airlines Logo
10:26 am - 12:35 pmORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
33h 09m3 stops Atlanta Hartsfield-Jackson Los Angeles Nadi
$1,092Multiple Airlines
Thu, Nov 5 - Thu, Nov 12
Air New Zealand Logo
2:05 pm - 12:59 amSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
27h 54m2 stops Auckland Intl Los Angeles
Air New Zealand Logo
11:52 am - 8:35 amORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
27h 43m2 stops San Francisco Auckland Intl
$1,262Air New Zealand
Thu, Nov 5 - Thu, Nov 12
Air New Zealand Logo
2:05 pm - 12:59 amSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
27h 54m2 stops Auckland Intl Los Angeles
Air New Zealand Logo
11:52 am - 8:35 amORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
27h 43m2 stops San Francisco Auckland Intl
$1,265Air New Zealand
Thu, Nov 5 - Thu, Nov 12
Cathay Pacific Logo
3:15 pm - 12:30 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
38h 15m1 stop Hong Kong Intl
Cathay Pacific Logo
2:10 pm - 9:35 amORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
26h 25m1 stop Hong Kong Intl
$1,271Cathay Pacific
Thu, Nov 5 - Thu, Nov 12
Cathay Pacific Logo
10:20 pm - 12:30 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
31h 10m1 stop Hong Kong Intl
Cathay Pacific Logo
2:10 pm - 9:35 amORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
26h 25m1 stop Hong Kong Intl
$1,271Cathay Pacific
Tue, Jan 26 - Fri, Feb 26
Air New Zealand Logo
9:55 am - 8:25 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
27h 30m2 stops Auckland Intl San Francisco
Air New Zealand Logo
3:00 pm - 8:35 amORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
24h 35m2 stops Los Angeles Auckland Intl
$1,296Air New Zealand
Mon, Nov 16 - Mon, Nov 30
Cathay Pacific Logo
10:20 pm - 12:30 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
31h 10m1 stop Hong Kong Intl
Cathay Pacific Logo
2:10 pm - 9:35 amORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
26h 25m1 stop Hong Kong Intl
$1,298Cathay Pacific
Mon, Oct 12 - Tue, Oct 27
Qantas Airways Logo
10:10 am - 3:59 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
21h 49m1 stop Los Angeles
Qantas Airways Logo
6:55 pm - 9:00 amORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
22h 05m1 stop Los Angeles
$1,321Qantas Airways
Wed, Oct 14 - Thu, Oct 29
Qantas Airways Logo
10:10 am - 8:00 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
25h 50m1 stop Los Angeles
Qantas Airways Logo
6:55 pm - 9:00 amORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
22h 05m1 stop Los Angeles
$1,360Qantas Airways
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.

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, Wednesday is the cheapest day of the week to fly from Sydney to Chicago O'Hare Intl Airport. It’s 9% cheaper than the average day, while Monday is the most expensive, with prices 9% higher.

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

•September is the cheapest month to fly from Sydney to Chicago O'Hare Intl Airport at $947 round-trip.
•July ($1,403) and December ($1,365) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 48% 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 10% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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

Low season

February

Cheapest flight

$715
Beat the crowds with an average 30% drop in travelers.
The most popular month to fly with an average 29% increase in travelers.
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 round-trip 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.

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

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

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

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

    A nonstop flight from Sydney to Chicago O'Hare Intl Airport takes 00m, covering 9,228 miles.

  • 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?

    Round-trip flights from Sydney to Chicago O'Hare Intl Airport range from $1,060 to $1,502, with an average of $1,244 over the past 12 months. Anything below $1,060 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) are 9% below the route average of $1,244. Booking late can sometimes save you money, but inventory is limited.

  • 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 lower than usual. Average one-way flight prices are about $832, which is 10% below the typical average for this route.

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

    Chicago O'Hare Intl Airport (ORD) hosts 5 major car rental companies, with daily rates starting from around $17 for economy cars. Top options include:

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

  • 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) - 62% of one-stop connections
    • Vancouver Intl (YVR) - 21% of one-stop connections
    • San Francisco (SFO) - 12% 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 17% on flights from Sydney to Chicago O'Hare Intl Airport. Wednesday is the cheapest departure day at $1,136 round-trip on average, while Monday is the most expensive at $1,364, a difference of $228.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

    Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time at 20h 50m, compared with 21h 02m via San Francisco (SFO) and 21h 13m via Los Angeles (LAX).

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

    Chicago O'Hare Intl Airport is 15 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 Magnificent Mile, Grant Park and River North. 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 Wednesday departure and avoid flying on Monday. On this route, Wednesday flights average $1,136, about $228 less than Monday fares (17% 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 10% 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 September. Fares historically average $947 round-trip in that month - typically $456 less than the most expensive month, which is July (based on the last 12 months).

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

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