CHI - SYD

$892 Find Cheap Flights from Chicago to Sydney – Compare and Save

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Everything you should know

Cheapest return fare
$1,728
Typical prices: $1,353-$2,233
Air New Zealand
Mon 11/1Sun 24/1
ORD - SYD • 2 stops
Cheapest one-way flight
$892
Typical prices: $1,107-$2,063
Multiple Airlines
Tue 8/12
ORD - SYD • 2 stops
Direct flights
Not available
There are currently no direct flights between Chicago and Sydney. You’ll need at least 1 connection.
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Top stopover airports
Cheapest • Avg $1,188 (return)
Shortest trip • 21h 30m (one-way)
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When to book
in advance
Our data shows that travellers who book at least 2 weeks in advance save around 16% compared to booking last minute.
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When to travel
Cheapest • 11% price drop
Most popular
Good to know
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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 return flight deals from Chicago to Sydney

Mon, 11 Jan - Sun, 24 Jan
Air New Zealand Logo
12:45 - 10:35ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
28h 50m2 stops Los Angeles Auckland Intl
Air New Zealand Logo
11:50 - 22:00SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
27h 10m2 stops Auckland Intl Los Angeles
$1,728Air New Zealand
Sun, 31 Jan - Mon, 8 Feb
Air New Zealand Logo
10:25 - 08:35ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
29h 10m2 stops Los Angeles Auckland Intl
Air New Zealand Logo
11:50 - 20:40SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
25h 50m2 stops Auckland Intl Los Angeles
$1,728Air New Zealand
Tue, 27 Oct - Tue, 10 Nov
Air New Zealand Logo
08:45 - 08:35ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
31h 50m2 stops Los Angeles Auckland Intl
Air New Zealand Logo
11:50 - 20:35SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
25h 45m2 stops Auckland Intl Los Angeles
$1,728Air New Zealand
Tue, 2 Feb - Tue, 16 Feb
Air New Zealand Logo
12:45 - 12:50ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
31h 05m2 stops Los Angeles Auckland Intl
Air New Zealand Logo
09:55 - 23:02SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
30h 07m2 stops Auckland Intl Los Angeles
$1,728Air New Zealand
Mon, 19 Oct - Mon, 26 Oct
Air New Zealand Logo
07:00 - 10:40ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
35h 40m2 stops Los Angeles Auckland Intl
Air New Zealand Logo
11:50 - 20:37SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
24h 47m2 stops Auckland Intl Los Angeles
$1,728Air New Zealand
Mon, 1 Feb - Sun, 7 Feb
Air New Zealand Logo
13:55 - 08:35ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
25h 40m2 stops Los Angeles Auckland Intl
Air New Zealand Logo
14:05 - 22:00SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
24h 55m2 stops Auckland Intl Los Angeles
$1,728Air New Zealand
Sun, 10 Jan - Sun, 24 Jan
Air New Zealand Logo
14:40 - 08:35ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
24h 55m2 stops Los Angeles Auckland Intl
Air New Zealand Logo
11:50 - 22:59SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
28h 09m2 stops Auckland Intl Los Angeles
$1,728Air New Zealand
Wed, 6 Jan - Wed, 2 Jun
Air New Zealand Logo
08:45 - 08:35ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
30h 50m2 stops Los Angeles Auckland Intl
Air New Zealand Logo
11:55 - 23:02SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
26h 07m2 stops Auckland Intl Los Angeles
$1,728Air New Zealand
Tue, 1 Dec - Thu, 10 Dec
Qantas Airways Logo
18:45 - 09:00ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
21h 15m1 stop Los Angeles
Qantas Airways Logo
11:20 - 16:05SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
21h 45m1 stop Los Angeles
$2,198Qantas Airways
Tue, 29 Dec - Sat, 23 Jan
Qantas Airways Logo
17:59 - 09:00ORD  Chicago O'Hare Intl-SYD Sydney Kingsford Smith
22h 01m1 stop Los Angeles
Qantas Airways Logo
11:15 - 23:30SYD  Sydney Kingsford Smith-ORD Chicago O'Hare Intl
29h 15m1 stop Los Angeles
$2,222Qantas Airways
Booking Insights

KAYAK's insights & trends for Chicago to Sydney flights

Get data-powered insights and trends into flights from Chicago to Sydney to help you find the cheapest flights, the best time to fly and much more.

How much is a return flight from Chicago to Sydney?

Flight prices are typical for this route right now.

Flights to Sydney from Chicago usually cost between $1,672 and $2,605 in February.
The lowest price found in the past 5 days was $1,728 on Air New Zealand (1 Feb–3 Mar).

What is the cheapest month to fly from Chicago to Sydney?

The cheapest month for flights from Chicago to Sydney is June, where tickets cost $1,792 (return) on average. On the other hand, the most expensive months are December and July, where the average cost of round-trip tickets is $2,437 and $2,210 respectively.

How far in advance should I book a flight from Chicago to Sydney?

To get a below average price on the flight from Chicago to Sydney, you should book around 2 weeks before departure, which saves you about 16% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 9 weeks before departure.

Good to know

Low season

September

Cheapest flight

$892
Best time to beat the crowds but there is an average 6% increase in price.
Most popular time to fly (12% more expensive on average)
Flight from Chicago O'Hare 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 return price

FAQs for booking flights from Chicago to Sydney

  • 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.

  • What is the cheapest flight from Chicago to Sydney?

    In the last 5 days, the lowest price for a flight from Chicago to Sydney was $892 for a one-way ticket and $1,728 for a return.

  • Which airports will I be using when flying from Chicago to Sydney?

    Chicago has 2 major airports: Chicago Midway and Chicago O'Hare Intl. Sydney Kingsford Smith is the only airport in Sydney. You’ll usually find the cheapest deals if you fly from Chicago O'Hare Airport.

  • Which aircraft models fly most regularly from Chicago to Sydney?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Chicago to Sydney?

    oneworld is the only airline alliance operating flights between Chicago and Sydney.

  • How does KAYAK find such low prices on flights from Chicago to Sydney?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Chicago to Sydney.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Chicago to Sydney?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Sydney from Chicago is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Chicago to Sydney?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Sydney with an airline and back to Chicago with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Chicago to Sydney?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Sydney from Chicago up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Chicago to Sydney

  • 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