ORD - SYD

$747 Find Cheap Flights from Chicago O'Hare Airport to Sydney – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
$1,678
Typical prices: $1,723-$2,307
Air Canada
Sun 28/10Sun 4/11
ORD - SYD • 2 stops
Cheapest one-way flight
$747
Typical prices: $1,109-$1,561
Multiple Airlines
Sat 20/10
ORD - SYD • 1 stop
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 25% 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
San Francisco (SFO)
Cheapest • Avg $1,936 (return)
Dallas/Fort Worth (DFW)
Shortest trip • 20h 43m (one-way)
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Insights
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We hope you enjoy your trip to Sydney!
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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

Tue, 20 Oct - Tue, 27 Oct
Air Canada Logo
11:05 - 08:20ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
29h 15m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
Air Canada Logo
10:20 - 14:37SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
20h 17m1 stop Vancouver Intl
$1,678Air Canada
Wed, 28 Oct - Wed, 4 Nov
Air Canada Logo
13:55 - 08:35ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
26h 40m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
Air Canada Logo
11:20 - 19:59SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
25h 39m1 stop Vancouver Intl
$1,678Air Canada
Mon, 16 Nov - Mon, 30 Nov
Air Canada Logo
15:30 - 09:35ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
25h 05m1 stop Vancouver Intl
Air Canada Logo
11:20 - 14:37SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
20h 17m1 stop Vancouver Intl
$1,678Air Canada
Tue, 20 Oct - Tue, 27 Oct
Air Canada Logo
11:05 - 08:20ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
29h 15m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
Air Canada Logo
10:20 - 19:52SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
25h 32m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
$1,681Air Canada
Wed, 4 Nov - Mon, 16 Nov
Air Canada Logo
08:49 - 09:35ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
31h 46m1 stop Vancouver Intl
Air Canada Logo
11:20 - 19:59SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
25h 39m1 stop Vancouver Intl
$1,681Air Canada
Mon, 16 Nov - Mon, 30 Nov
Air Canada Logo
15:30 - 09:35ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
25h 05m1 stop Vancouver Intl
Air Canada Logo
11:20 - 19:52SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
25h 32m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
$1,681Air Canada
Wed, 28 Oct - Wed, 4 Nov
Air Canada Logo
13:55 - 08:35ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
26h 40m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
Air Canada Logo
11:20 - 19:52SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
25h 32m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
$1,681Air Canada
Wed, 4 Nov - Mon, 16 Nov
Air Canada Logo
13:55 - 09:35ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
26h 40m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
Air Canada Logo
11:20 - 14:37SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
20h 17m1 stop Vancouver Intl
$1,684Air Canada
Mon, 2 Nov - Mon, 16 Nov
Qantas Airways Logo
17:15 - 09:00ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
22h 45m1 stop Los Angeles Los Angeles
Qantas Airways Logo
11:15 - 20:04SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
25h 49m1 stop Los Angeles Los Angeles
$2,213Qantas Airways
Sun, 8 Nov - Wed, 18 Nov
Qantas Airways Logo
11:45 - 06:25ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
25h 40m1 stop Los Angeles Los Angeles
Qantas Airways Logo
11:10 - 16:57SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
22h 47m1 stop Los Angeles Los Angeles
$2,213Qantas 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 from Chicago O'Hare Intl Airport to Sydney 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 start at $1,678. Prices are below average for this route right now, with typical return fares ranging from $1,723 to $2,307. The lowest price found in the past 5 days was $1,678 on Air Canada.

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

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

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 $1,797 return.
  • December ($2,524) and July ($2,243) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 40% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices 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 25% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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

Low season

October

Cheapest flight

$747
Best time to beat the crowds but there is an average 6% increase in price.
Most popular time to fly and prices are also 6% lower on average.
Flights 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 route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • 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?

  • 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 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

  • 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 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

    Los Angeles Los Angeles (LAX) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 10% on the Chicago O'Hare Intl Airport to Sydney route. Tuesday is the cheapest departure day at $1,909 return on average, while Friday is the most expensive at $2,108, a difference of $199. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Sydney?

    Some of the most popular sights in Sydney are Darling Harbour, Circular Quay, and Central Railway Station. These are among the most viewed places in Sydney on KAYAK.

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

    Last-minute fares on this route (booked within 2 weeks of departure) run 16% above the route average of $2,007. Book 10 weeks before departure for the lowest fares.

  • 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 0h 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 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 $906, which is 30% below the typical average for this route.

  • 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 43m, compared to 21h 20m via Los Angeles Los Angeles (LAX) and 21h 37m via San Francisco (SFO).

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

    Sydney is 15 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.

  • 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 $14 for economy cars. Top options include:
    • Bargain Car Rentals
    • East Coast Car Rentals
    • EverythingFleet
    • YESDRIVE CAR RENTAL
    • No Birds

  • 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 $1,723 to $2,307, with an average of $2,007 over the past 12 months. Anything below $1,723 counts as a good deal.

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 instead of Friday. On this route, Tuesday flights average $1,909 – about $199 less than Friday (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 25% 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 $1,797 return in that month – typically $727 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.
    - Travelodge Hotel Sydney Airport
    - Rydges Sydney Airport Hotel
    - ibis budget Sydney Airport
  • #¡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

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

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