ORD - SYD

$865 Find Cheap Flights from Chicago O'Hare Airport to Sydney – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
$1,847
Typical prices: $1,747-$2,364
Delta
Tue 13/11Tue 20/11
ORD - SYD • 1 stop
Cheapest one-way flight
$865
Typical prices: $1,134-$1,584
Multiple Airlines
Fri 23/2
ORD - SYD • 3 stops
Direct flights
Not available
There are currently no direct flights between Chicago O'Hare Intl Airport and Sydney. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
10 weeks
in advance
Our data shows that travellers who book at least 10 weeks in advance save around 26% compared to booking last minute.
Insights
Insights
When to travel
June
Cheapest • 10% price drop
January
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Doha Hamad Intl (DOH)
Cheapest • Avg $1,894 (return)
Dallas/Fort Worth (DFW)
Shortest trip • 20h 49m (one-way)
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Insights
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to Sydney!
Flight Deals
Booking Insights
Flight Deals

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

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

Recent return flight deals from O'Hare Intl to Sydney

Fri, 13 Nov - Sat, 21 Nov
United Airlines Logo
18:20 - 09:20ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
22h 00m1 stop San Francisco
United Airlines Logo
11:50 - 14:49SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
19h 59m1 stop San Francisco
$1,847United Airlines
Thu, 26 Nov - Fri, 4 Dec
Delta Logo
17:00 - 08:30ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
22h 30m1 stop Los Angeles
Delta Logo
10:40 - 17:15SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
23h 35m1 stop Los Angeles
$1,847Delta
Fri, 13 Nov - Fri, 20 Nov
Delta Logo
18:28 - 08:30ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
21h 02m1 stop Los Angeles
Delta Logo
10:40 - 13:37SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
19h 57m1 stop Los Angeles
$1,847Delta
Thu, 26 Nov - Thu, 3 Dec
United Airlines Logo
13:30 - 09:20ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
26h 50m1 stop San Francisco
United Airlines Logo
11:50 - 14:39SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
19h 49m1 stop San Francisco
$1,847United Airlines
Fri, 13 Nov - Sun, 22 Nov
Delta Logo
18:28 - 08:30ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
21h 02m1 stop Los Angeles
Delta Logo
10:40 - 17:27SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
23h 47m1 stop Los Angeles
$1,847Delta
Tue, 17 Nov - Sat, 21 Nov
Air Canada Logo
15:30 - 08:40ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
48h 10m2 stops Vancouver Intl Brisbane
Air Canada Logo
15:00 - 14:37SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
40h 37m2 stops Brisbane Vancouver Intl
$1,851Air Canada
Sun, 15 Nov - Sat, 21 Nov
Air Canada Logo
15:30 - 14:40ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
30h 10m2 stops Vancouver Intl Brisbane
Air Canada Logo
13:00 - 14:37SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
42h 37m2 stops Brisbane Vancouver Intl
$1,851Air Canada
Mon, 16 Nov - Sat, 21 Nov
Air Canada Logo
15:30 - 08:40ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
48h 10m2 stops Vancouver Intl Brisbane
Air Canada Logo
13:00 - 14:37SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
42h 37m2 stops Brisbane Vancouver Intl
$1,851Air Canada
Sun, 3 Jan - Mon, 1 Feb
Qantas Airways Logo
17:59 - 09:00ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
22h 01m1 stop Los Angeles
Qantas Airways Logo
11:20 - 16:59SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
22h 39m1 stop Los Angeles
$1,909Qantas Airways
Wed, 2 Dec - Thu, 24 Dec
Qantas Airways Logo
13:30 - 06:25ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
23h 55m1 stop Los Angeles
Qantas Airways Logo
14:05 - 19:59SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
22h 54m1 stop Dallas/Fort Worth
$1,952Qantas Airways
Booking Insights

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

Return flights from Chicago O'Hare Intl Airport to Sydney typically range from $1,747 to $2,364. The lowest price found in the past 5 days was $1,847 on Delta.

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

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Chicago O'Hare Intl Airport to Sydney. It's 5% cheaper than the average day, while Thursday is the most expensive, with prices 5% higher.

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

•June is the cheapest month to fly from Chicago O'Hare Intl Airport to Sydney at $1,821 return.
•December ($2,519) and September ($2,378) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 38% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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

Flights from Chicago O'Hare Intl Airport to Sydney are cheapest 10 weeks before departure. Booking in this window typically costs about 26% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

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

Low season

June

Cheapest flight

$865
Beat the crowds with an average 18% drop in travellers.
The most popular month to fly with an average 25% increase in travellers.
One-way flight from Chicago O'Hare Intl Airport to Sydney

When to book flights from O'Hare Intl to Sydney

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

Your Chicago O'Hare Intl Airport to Sydney 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 Chicago O'Hare Intl Airport to Sydney?

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

    • Economy class
    • Premium Economy Class

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

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

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

    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 Chicago O'Hare Intl Airport to Sydney flight?

    Return flights from Chicago O'Hare Intl Airport to Sydney range from $1,747 to $2,364, with an average of $2,024 over the past 12 months. Anything below $1,747 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 15% above the $2,024 route average. Book 10 weeks before departure for the lowest fares.

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

    One-way fares from Chicago O'Hare Intl Airport to Sydney are currently lower than usual. Average one-way flight prices are about $1,053, which is 20% below the typical average for this route.

  • Which car hire options are available at Sydney Kingsford Smith Airport (SYD)?

    Sydney Kingsford Smith Airport (SYD) hosts 5 major car hire companies, with daily rates starting from around $58 for economy cars. Top options include:

    • East Coast Car Rentals
    • Bargain Car Rentals
    • YESDRIVE CAR RENTAL
    • No Birds
    • EverythingFleet

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

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

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

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

    • Los Angeles (LAX) – 58% of one-stop connections
    • Vancouver Intl (YVR) – 28% of one-stop connections
    • San Francisco (SFO) – 5% of one-stop connections
    • Tokyo Haneda (HND) – 3% of one-stop connections

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

    Yes. Flexible dates can save you up to 10% on flights from Chicago O'Hare Intl Airport to Sydney. Tuesday is the cheapest departure day at $1,931 return on average, while Thursday is the most expensive at $2,128, a difference of $197.

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

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

    Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time of 20h 49m, compared to 21h 18m via Los Angeles (LAX) and 21h 29m via San Francisco (SFO).

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

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

  • What popular places can I visit in Sydney?

    Some of the most popular sights in Sydney are Sydney Opera House, Star Casino, and Capitol Theatre. These are among the most viewed places in Sydney on KAYAK.

  • US citizens need a visa to travel to Sydney, Australia. US citizens can also apply for various visas, including student visas, employment visas, family visas, visitor visas, Evisitor visas, Electronic Travel Authority (ETA), Work and Holiday visas, depending on their circumstances. It's important to note that visa requirements may vary depending on the purpose and duration of the trip, and each application is subject to individual assessment.

    What is the luggage allowance on Air New Zealand flights from Chicago O'Hare Airport to Sydney?

  • Air New Zealand allows economy class passengers to bring one cabin bag that weighs no more than 15 lbs. The class also includes one checked bag not exceeding 50lbs. Premium Economy passengers can bring two bags, each weighing no more than 50 lbs while Business Premier passengers can bring three bags each weighing no more than 50 lbs.

    What services does Delta offer for passengers in economy class on flights from Chicago O'Hare Airport to Sydney?

  • Delta offers various services to passengers in economy class on flights from Chicago O'Hare Airport to Sydney. These include complimentary snacks and beverages, in-flight entertainment, such as movies, TV shows, and music, Wi-Fi access at an additional cost, and comfortable seating.

    What seat selection options are available on flights from Chicago O'Hare Airport to Sydney with Qantas Airways?

  • Qantas Airways offers several options for seat selection on their flights from Chicago O'Hare Airport to Sydney. Passengers can choose a standard seat at the time of booking or during check-in at no extra cost. Passengers can also decide to upgrade to seats with extra legroom for an additional fee. These seats are typically located in exit rows or at the front of the cabin.

    Can I cancel my booking for flights from Chicago O'Hare Airport to Sydney with Air Canada?

Your guide to booking Chicago O'Hare Intl Airport to Sydney 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 Tuesday departure and avoid flying on Thursday. On this route, Tuesday flights average $1,931, about $197 less than Thursday fares (9% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 10 weeks before you fly. On this route, that window historically saves about 26% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Chicago O'Hare Intl Airport to Sydney trip for June. Fares historically average $1,821 return in that month – typically $698 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Sydney Kingsford Smith Airport.

    • ibis budget Sydney Airport
    • Travelodge Hotel Sydney Airport
    • Rydges Sydney Airport Hotel
  • #¡REF!
  • Flights from Chicago O'Hare Airport (ORD) to Sydney (SYD) usually entail one or two stops in various cities depending on the airline you choose. Some common layovers for this route include Auckland (AKL), Christchurch (CHC), Los Angeles (LAX), Houston (IAH), San Francisco (SFO), and Dallas (DFW).
  • Air India provides special assistance to passengers with reduced mobility on flights from Chicago O'Hare Airport (ORD) to Sydney (SYD). The airline specifically offers boarding and deplaning assistance, and assistance in moving around the airport.
  • ANA provides baby bassinets for infants up to 8 months on flights from Chicago O'Hare Airport (ORD) to Sydney (SYD). The airline also offers special children's meals, which are designed to suit the dietary requirements and tastes of young children, including vegetarian options, gluten-free options, and more.
  • There are several transportation options to get from Sydney Airport (SYD) to the city center. One option is the Airport Link train. The train station is located beneath the airport's Terminal 1, and the journey takes around 15 minutes to reach the city center. Train tickets can be purchased at the airport's train station or online.

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

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