Flights from Chicago, IL to Sydney, Australia from $1,051

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How to find the cheapest flight from
Chicago (CHI) to Sydney (SYD)

All the information you need to plan the best CHI to SYD flight in 2021: compare Chicago to Sydney flight prices with the expected peak season, weather and rainfall in Sydney.

CHI - SYD Price	$992 - $1,879
SYD Temperature	51.8 - 71.6 °F
SYD Precipitation	2 - 5.1 inches

Popular in December High demand for flights, 38% potential price rise
Cheapest in November Best time to find cheap flights, 15% potential price drop
Average price $1,088 Average for round-trip flights in October 2021
Round-trip from $992 From Chicago (CHI) to Sydney Kingsford Smith

Popular in

December

High demand for flights, 38% potential price rise

Cheapest in

November

Best time to find cheap flights, 15% potential price drop

Average price

$1,088

Average for round-trip flights in October 2021

Round-trip from

$992

From Chicago (CHI) to Sydney Kingsford Smith

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.

What is the cheapest day to fly round-trip from Chicago to Sydney?

Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 22% on the overall cost on flights from Chicago to Sydney.

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

To save on the cost of your flight from Chicago to Sydney, book at least 61 days before your planned departure. Booking around this time can save you about 14% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $1,257 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,362.

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

November is one of the best times of the year to fly to Sydney from Chicago. Prices for November average $1,167 per person but you can even find prices for as low as $586. The most expensive prices can be found in the month of December. Opting for a November flight can save you 60% on your journey compared to booking in November

When is the cheapest time to fly from Chicago to Sydney (CHI - SYD)?

A simple way to save on the total cost of your ticket is to fly from Chicago to Sydney at noon. If you’re flexible enough to do this you can expect to save up to 8% on your trip compared to booking a flight in the afternoon.

Cheap flights from Chicago to Sydney in October, November 2021

The best prices found for CHI to SYD flights for October, November

18 Nov - 25 Nov

$1,308pp

ORD

Chicago O'Hare Intl

Multiple Airlines

3 STOPS

SYD

Sydney Kingsford Smith

SYD

Sydney Kingsford Smith

Multiple Airlines

2 STOPS

ORD

Chicago O'Hare Intl

18 Nov - 25 Nov

$1,320pp

ORD

Chicago O'Hare Intl

Multiple Airlines

2 STOPS

SYD

Sydney Kingsford Smith

SYD

Sydney Kingsford Smith

Multiple Airlines

2 STOPS

ORD

Chicago O'Hare Intl

16 Nov - 16 Dec

$1,381pp

ORD

Chicago O'Hare Intl

Multiple Airlines

2 STOPS

SYD

Sydney Kingsford Smith

SYD

Sydney Kingsford Smith

Multiple Airlines

2 STOPS

ORD

Chicago O'Hare Intl

Chicago to Sydney 2021 flight deals

Cheap flights to Sydney from Chicago found for this year

10 Dec - 16 Jan

$1,051pp

ORD

Chicago O'Hare Intl

Multiple Airlines

2 STOPS

SYD

Sydney Kingsford Smith

SYD

Sydney Kingsford Smith

Multiple Airlines

2 STOPS

ORD

Chicago O'Hare Intl

7 Dec - 14 Dec

$1,069pp

ORD

Chicago O'Hare Intl

Multiple Airlines

2 STOPS

SYD

Sydney Kingsford Smith

SYD

Sydney Kingsford Smith

Multiple Airlines

2 STOPS

ORD

Chicago O'Hare Intl

11 Dec - 16 Jan

$1,072pp

ORD

Chicago O'Hare Intl

Multiple Airlines

2 STOPS

SYD

Sydney Kingsford Smith

SYD

Sydney Kingsford Smith

Multiple Airlines

2 STOPS

ORD

Chicago O'Hare Intl

Last minute flights from Chicago to Sydney

Late deals on round-trip flights to Sydney from Chicago, departing today and this week

31 Oct - 13 Nov

$1,693pp

ORD

Chicago O'Hare Intl

Multiple Airlines

2 STOPS

SYD

Sydney Kingsford Smith

SYD

Sydney Kingsford Smith

Multiple Airlines

2 STOPS

ORD

Chicago O'Hare Intl

31 Oct - 13 Nov

$1,969pp

ORD

Chicago O'Hare Intl

Multiple Airlines

2 STOPS

SYD

Sydney Kingsford Smith

SYD

Sydney Kingsford Smith

Multiple Airlines

3 STOPS

ORD

Chicago O'Hare Intl

29 Oct - 14 Jan

$2,012pp

ORD

Chicago O'Hare Intl

Multiple Airlines

1 STOP

SYD

Sydney Kingsford Smith

SYD

Sydney Kingsford Smith

Multiple Airlines

2 STOPS

ORD

Chicago O'Hare Intl

One-way flights to Kingsford Smith from Chicago

The cheapest one-way flights from Chicago to Sydney

1:50 pm - 1:45 pm

Qatar Airways

1 Stop

30h 55m

ORD - SYD

$1,448

KAYAK

9:00 am - 5:20 pm

Singapore Airlines

3 Stops

40h 20m

ORD - SYD

$1,493

Singapore Airlines

9:00 am - 4:15 am

United Airlines

2 Stops

27h 15m

ORD - SYD

$1,580

United

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Chicago</span> to <span class="emphasized">Sydney</span> flights.

Flight FAQs

From Chicago to Sydney

What airport do you fly into for flights to Sydney from Chicago?

Located just 4.6 mi from the city center, Sydney Kingsford Smith is the airport most travelers will use when flying to Sydney from Chicago. Booking flights from Chicago to Kingsford Smith (SYD) should be relatively easy as there are 0 daily inbound flights from Chicago from 16 different airlines.

Which airlines flying from Chicago to Sydney Kingsford Smith have flexible cancellations due to COVID-19?

Qantas Airways, American Airlines, and United Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

What safety measures are being taken by airlines flying from Chicago to Sydney Kingsford Smith to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Etihad Airways is one of them. New policies for travelers booking flights from Chicago to Sydney Kingsford Smith include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially distanced seating (for a limited time). Keep in mind that policies will vary by airline.

Can I find flights from Chicago to Sydney for under $1,100 on Cheapflights?

Yes, there are multiple flights from Chicago to Sydney for under $1,100. The cheapest flight booked recently is on Multiple Airlines for just $1,002, but on average you can expect to pay $1,092.

Are there last-minute flights available from Chicago to Sydney for under $1,700?

There are currently 20+ open flights from Chicago to Sydney within the next 7 days for less than $1,700.

What are the cheapest airlines to fly from Chicago to Sydney one-way?

One-way options have recently been found by users for as low as $1,388 on Singapore Airlines. Other airlines that offer cheap prices include Qatar Airways from $1,448 and United Airlines from $1,515 one-way.

What are the cheapest flights from Chicago to Sydney?

Looking at all options, your cheapest flight can be booked for $577. While the most popular route (Chicago O'Hare Intl - Sydney Kingsford Smith) can be booked for $1,002 on average our data indicates $2,515 when flying from Chicago to Sydney

What are the most popular airlines that fly from Chicago to Sydney?

When booking a flight from Chicago to Sydney, you may want to consider flying on Major Airline, American Airlines or Air Canada as they are the most popular for this route.

COVID Restrictions

View COVID Travel Restrictions for Sydney, Australia

Do I need a COVID test to fly to Sydney from Chicago?

Information is based on travel restrictions from Chicago to Sydney Kingsford Smith

Most visitors from Chicago will not be allowed to enter Sydney Kingsford Smith.

COVID-19 testing requirements
Visitors from Chicago must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Sydney Kingsford Smith.

Quarantine requirements
Visitors from Chicago are not required to quarantine after entering Sydney Kingsford Smith.

Documents
Travel Authorization Form - Travelers who are not in an exempt category may request an individual exemption to Australia's travel restrictions using this form.

Do I need a test to fly back to Chicago from Sydney?

Returning to Chicago from Sydney Kingsford Smith

COVID-19 testing requirements
Visitors from Sydney Kingsford Smith must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Chicago.

Quarantine requirements
Visitors from Sydney Kingsford Smith are not required to quarantine after entering Chicago.

Hide COVID Travel Restrictions for Sydney, Australia

Destination information for Sydney

Things to know before you go - useful duration and weather info for your trip from Chicago to Sydney.

$1 = $1.34

57.2 °F

5.8 ″

Airports servicing Chicago

O'Hare Intl (ORD)

Midway (MDW)

Rockford (RFD)

Airports servicing Sydney

Sydney (SYD)

Airline	Cheapest	Average	Flexibility	On-time	COVID-19 safety
Spirit Airlines	$121	$228	No cancel fee	65%
American Airlines	$232	$1,105	No cancel fee	71%
United Airlines	$465	$1,049	No cancel fee	69%
Virgin Australia	$494	$717	No cancel fee	80%
Qantas Airways	$511	$912	No cancel fee	74%
Delta	$540	$1,035	No cancel fee	N/A
Fiji Airways	$627	$940	No cancel fee	74%
Air Canada	$804	$1,234	No cancel fee	67%
China Eastern	$821	$1,239	No cancel fee	62%	We couldn't confirm the COVID-19 safety measures taken by China Eastern. Please check directly on their website for additional information.
Hainan Airlines	$849	$925	No cancel fee	61%	We couldn't confirm the COVID-19 safety measures taken by Hainan Airlines. Please check directly on their website for additional information.