CHI - SYD

$610 Find Cheap Flights from Chicago to Sydney - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,238
Typical prices: $1,230-$1,647
Air New Zealand
Thu 1/11Wed 1/24
ORD - SYD • 2 stops
Cheapest one-way
$639
Typical prices: $780-$1,111
Multiple Airlines
Sat 12/8
ORD - SYD • 2 stops
Nonstop flights
There are currently no direct flights between Chicago and Sydney. You'll need to take a connecting flight to reach the destination.
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Top routes
Cheapest • 5% average savings
Most popular
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When to book
in advance
Our data shows that travelers who book at least 10 weeks in advance save around 25% compared to booking last minute.
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When to travel
Cheapest • 10% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $238 (round-trip)
Shortest trip • 19h 20m (one-way)
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Flight Deals

Cheap Flights from Chicago to Sydney (CHI-SYD)

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

Recent round-trip flight deals from Chicago to Sydney

Mon, Feb 1 - Wed, Mar 3
Air New Zealand Logo
2:10 pm - 8:35 amORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
25h 25m2 stops Los Angeles Auckland Intl
Air New Zealand Logo
11:50 am - 8:22 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
25h 32m2 stops Auckland Intl Los Angeles
$1,238Air New Zealand
Mon, Nov 2 - Mon, Nov 9
Air New Zealand Logo
2:00 pm - 10:35 amORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
27h 35m2 stops Los Angeles Auckland Intl
Air New Zealand Logo
11:50 am - 10:00 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
27h 10m2 stops Auckland Intl Los Angeles
$1,238Air New Zealand
Mon, Oct 19 - Mon, Oct 26
ANA Logo
5:45 pm - 8:10 pmORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
34h 25m1 stop Tokyo Haneda
ANA Logo
9:45 pm - 8:20 amSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
26h 35m1 stop Tokyo Haneda
$1,264ANA
Mon, Oct 19 - Mon, Oct 26
ANA Logo
5:45 pm - 8:10 pmORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
34h 25m1 stop Tokyo Haneda
ANA Logo
9:45 pm - 8:20 amSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
26h 35m1 stop Tokyo Haneda
$1,265ANA
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 - 3:37 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
20h 17m1 stop Vancouver Intl
$1,267Air Canada
Sun, Oct 18 - Sun, Nov 1
Air Canada Logo
8:45 am - 8:20 amORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
31h 35m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
Air Canada Logo
11:20 am - 3:37 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
20h 17m1 stop Vancouver Intl
$1,267Air Canada
Mon, Jan 25 - Sun, Feb 14
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 - 4:55 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
46h 25m1 stop Manila Ninoy Aquino Intl
$1,303Philippine Airlines
Mon, Jan 25 - Tue, Feb 16
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 - 4:55 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
46h 25m1 stop Manila Ninoy Aquino Intl
$1,307Philippine Airlines
Tue, Dec 1 - Thu, Dec 10
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
11:20 am - 4:05 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
21h 45m1 stop Los Angeles
$1,575Qantas Airways
Tue, Dec 29 - Sat, Jan 23
Qantas Airways Logo
5:59 pm - 9:00 amORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
22h 01m1 stop Los Angeles
Qantas Airways Logo
11:15 am - 11:30 pmSYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
29h 15m1 stop Los Angeles
$1,592Qantas Airways
Booking Insights

Price, demand and travel trends for Chicago to Sydney flights

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

How much is a round-trip flight from Chicago to Sydney?

Round-trip flights from Chicago to Sydney start at $1,238. 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 $1,238 on Air New Zealand.

What is the cheapest Chicago to Sydney flight route?

Chicago Midway Airport (MDW) to Sydney (SYD) is the cheapest Chicago to Sydney route, averaging $1,286 round-trip. Other Chicago to Sydney routes average $1,433, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from Chicago to Sydney?

Tuesday is the cheapest day of the week to fly from Chicago 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 to Sydney?

  • June is the cheapest month to fly from Chicago to Sydney at $1,283 round-trip.
  • December ($1,794) and July ($1,601) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 39% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Chicago to Sydney the cheapest?

Flights from Chicago 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.

Key details for Chicago to Sydney flights

Low season

October

Cheapest flight

$639
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 Chicago to Sydney

Are your dates flexible? Find out the best times to travel from Chicago 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 to Sydney flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Can I fly directly from Chicago to Sydney?

    Unfortunately, there aren’t any airlines with a direct connection from Chicago to Sydney. Your trips will involve at least one layover, with certain airlines even having two layovers scheduled for this trip. The location of the layover will depend on the airline you’re flying with. For instance, Air New Zealand has its layovers scheduled for Auckland while Air India has Delhi. Both American Airlines and United have Los Angeles as the set layover destination for this route.

  • Is public transport available from Sydney Airport (SYD) to downtown Sydney?

    Yes, there is a train that connects the airport to the city center. It is the cheapest option available and also the quickest, taking the best part of fifteen minutes between the airport and downtown. However, it is not as convenient as a taxi especially when you have a lot of luggage as it will drop you off at the Circular Quay in the center of Sydney then you will have to walk to your hotel.

  • What are the benefits of upgrading to first class for this trip?

    For a long flight like this one, you are sure to get maximum value for your money when you upgrade to first class. The seats are much more comfortable, making the trip more bearable, and you can stretch out freely with the extra legroom. In addition, you will be served an amazing selection of meals and drinks to enjoy at various points during the flight. Lastly, you will be able to access the first-class lounges during your layover, where you can freshen up and get some rest while waiting for the second leg of the flight.

  • Do I need a visa to fly from Chicago to Sydney?

    Yes, a visa is one of the mandatory requirements for all US citizens going to Sydney or any other Australian city. As they don’t provide any visas on arrival, you have to apply beforehand by visiting the Embassy or Consulate in advance of your travel dates to ensure that they have been processed by the time you’re flying out. You can also apply for an ETA via an online process, which is much more convenient.

  • Which airports can I use when flying from Chicago to Sydney?

    Flights from Chicago to Sydney may depart from several airports in Chicago area, including Chicago Midway (MDW), Chicago O'Hare Intl (ORD) and Chicago Greater Rockford (RFD). Flights usually arrive at Sydney Kingsford Smith (SYD).

  • What cabin classes can I book on flights from Chicago to Sydney?

    Four cabin classes are available on flights from Chicago to Sydney:

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

    Prices vary by airline.

  • Which airports do connecting flights from Chicago to Sydney pass through?

    One-stop flights from Chicago to Sydney most commonly connect through:

    • Los Angeles (LAX) - 57% of one-stop connections
    • Vancouver Intl (YVR) - 27% of one-stop connections
    • San Francisco (SFO) - 5% of one-stop connections
    • Dallas/Fort Worth (DFW) - 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 to Sydney?

    Yes. Being flexible with your travel dates can save you up to 10% on the Chicago 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.

  • What popular places can I visit in Sydney?

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

  • How expensive are last-minute Chicago to Sydney flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 16% above the route average of $1,432. Book 10 weeks before departure for the lowest fares.

  • How long is a flight from Chicago to Sydney?

    A nonstop flight from Chicago to Sydney takes 0h 00m, covering 9,241 miles.

  • Do I need a passport to fly from Chicago 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 to Sydney looking right now?

    One-way fares from Chicago to Sydney are currently lower than usual. Average one-way flight prices are about $802, which is 13% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Chicago to Sydney?

    Flying via Las Vegas Harry Reid Intl (LAS) gives the shortest average 1-stop total travel time at 10h 38m, compared with 19h 20m via Nadi (NAN) and 20h 43m via Dallas/Fort Worth (DFW).

  • What is the time difference between Chicago and Sydney?

    Sydney is 15 hours ahead of Chicago (Eastern Australia Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • 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

  • How much should I expect to pay for a Chicago to Sydney flight?

    Round-trip flights from Chicago to Sydney range from $1,230 to $1,647, with an average of $1,432 over the past 12 months. Anything below $1,230 counts as a good deal.

Your guide to booking Chicago 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 to Sydney trip for June. Fares historically average $1,283 round-trip in that month - typically $511 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.
    - Rydges Sydney Airport Hotel
    - ibis budget Sydney Airport
    - Travelodge Hotel Sydney Airport
  • Air New Zealand is a great option to book when flying with the entire family. They have free Wi-Fi available plus seatback on-demand video and free meals, all of which should make it a better experience for the kids.
  • The Blue Line train from downtown Chicago to O’Hare International Airport (ORD) is a good commuter option when you want to avoid the rush hour traffic that is usually quite a menace.
  • United Airlines doesn’t allow passengers to bring carry-on bags to the economy class cabin. However, they do allow one checked bag for free, meaning if you have any bags, you will need to check them before the flight.
  • American Airlines offers travelers the chance to calculate and offset the emissions generated during the flight from Chicago to Sydney through Cool Effect. This is a great way to make your trips more sustainable and keep the carbon footprint low.
  • Chicago Midway is an alternative departure airport to O’Hare. It is closer to downtown Chicago and also less busy, however, there are few flight options from the airport with all of them being served by Delta and including at least two layovers.

Everything you need to know for your flight from Chicago to Sydney

Information on your arrival and departure airports