ORD - SYD

$516 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 round-trip
$1,235
Typical prices: $1,230-$1,647
Air New Zealand
Fri 11/2Fri 11/16
ORD - SYD • 2 stops
Cheapest one-way
$516
Typical prices: $792-$1,114
Multiple Airlines
Sat 10/20
ORD - SYD • 1 stop
Nonstop 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 travelers 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 layover airports
San Francisco (SFO)
Cheapest • Avg $1,382 (round-trip)
Dallas/Fort Worth (DFW)
Shortest trip • 20h 43m (one-way)
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Insights
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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 round-trip flight deals from O'Hare Intl to Sydney

Mon, Nov 2 - Mon, Nov 16
Air New Zealand Logo
7:29 am - 10:35 amORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
34h 06m2 stops Houston George Bush Intcntl Auckland Intl
Air New Zealand Logo
9:55 am - 10:00 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
29h 05m2 stops Auckland Intl Los Angeles
$1,235Air New Zealand
Mon, Feb 1 - Wed, Mar 3
Air New Zealand Logo
9:15 am - 8:35 amORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
30h 20m2 stops Houston George Bush Intcntl Auckland Intl
Air New Zealand Logo
11:50 am - 9:46 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
26h 56m2 stops Auckland Intl Los Angeles
$1,235Air New Zealand
Fri, Mar 12 - Sun, Mar 21
Philippine Airlines Logo
10:45 pm - 9:50 amORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
42h 05m1 stop Manila Ninoy Aquino Intl
Philippine Airlines Logo
11:30 am - 5:55 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
46h 25m1 stop Manila Ninoy Aquino Intl
$1,235Philippine Airlines
Fri, Mar 5 - Tue, Mar 16
Multiple Airlines Logo
6:59 am - 9:50 amORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
33h 51m2 stops Los Angeles Manila Ninoy Aquino Intl
Multiple Airlines Logo
11:30 am - 5:00 amSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
33h 30m2 stops Manila Ninoy Aquino Intl Los Angeles
$1,249Multiple Airlines
Tue, Nov 10 - Tue, Nov 17
ANA Logo
4:25 pm - 8:15 pmORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
34h 50m1 stop Tokyo Haneda
ANA Logo
12:25 pm - 5:20 amSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
33h 55m2 stops Tokyo Haneda Los Angeles
$1,260ANA
Tue, Nov 3 - Tue, Nov 10
Air Canada Logo
3:30 pm - 9:35 amORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
25h 05m1 stop Vancouver Intl
Air Canada Logo
11:20 am - 7:59 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
25h 39m1 stop Vancouver Intl
$1,261Air Canada
Sun, Oct 18 - Sun, Nov 1
Air Canada Logo
3:40 pm - 8:20 amORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
24h 40m1 stop Vancouver Intl
Air Canada Logo
11:20 am - 8:59 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
25h 39m1 stop Vancouver Intl
$1,262Air Canada
Sun, Nov 8 - Tue, Nov 24
ANA Logo
4:25 pm - 8:15 pmORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
34h 50m1 stop Tokyo Haneda
ANA Logo
9:45 pm - 2:38 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
33h 53m2 stops Tokyo Haneda Washington, D.C. Dulles Intl
$1,274ANA
Sat, Nov 14 - Wed, Nov 25
Qantas Airways Logo
6:45 pm - 9:00 amORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
21h 15m1 stop Los Angeles
Qantas Airways Logo
2:05 pm - 8:03 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
22h 58m1 stop Dallas/Fort Worth
$1,569Qantas Airways
Fri, Mar 5 - Mon, Mar 15
Qantas Airways Logo
3:50 pm - 6:55 amORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
22h 05m1 stop Dallas/Fort Worth
Qantas Airways Logo
11:20 am - 3:59 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
20h 39m1 stop Los Angeles
$1,588Qantas 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 round-trip flight from Chicago O'Hare Intl Airport to Sydney?

Round-trip flights from Chicago O'Hare Intl Airport to Sydney start at $1,235. Prices are typical for this route right now, with typical round-trip fares ranging from $1,230 to $1,647. The lowest price found in the past 5 days was $1,235 on Air New Zealand.

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, it 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 $1,283 round-trip.
•December ($1,802) and July ($1,601) 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.

Find deals

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

Low season

October

Cheapest flight

$516
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.
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 round-trip 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.

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

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

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

    Prices vary by airline.

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

    A nonstop flight from Chicago O'Hare Intl Airport to Sydney takes 0h 00m, covering 9,228 miles.

  • 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?

    Round-trip flights from Chicago O'Hare Intl Airport to Sydney range from $1,230 to $1,647, with an average of $1,433 over the past 12 months. Anything below $1,230 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 2 weeks of departure - run 16% above the route average of $1,433. 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 $774, which is 17% below the typical average for this route.

  • What car rental options are available at Sydney Kingsford Smith Airport (SYD)?

    Sydney Kingsford Smith Airport (SYD) hosts 5 major car rental companies, with daily rates starting from around $10 for economy cars. Top options include:
    • Bargain Car Rentals
    • East Coast Car Rentals
    • EverythingFleet
    • YESDRIVE CAR RENTAL
    • No Birds

  • 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

    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 $1,363 round-trip on average, while Friday is the most expensive at $1,505, a difference of $142. 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 Chicago O'Hare Intl Airport to Sydney?

    Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time at 20h 43m, compared with 21h 20m via 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.

  • What popular places can I visit in Sydney?

    Some of the most popular sights in Sydney are Sydney Opera House, Museum of Contemporary Art and Chinatown Night Market. 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 can be flexible, aim for a Tuesday departure instead of Friday. On this route, Tuesday flights average $1,363 - about $142 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 $1,283 round-trip in that month - typically $519 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

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