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Cheap flights from Chicago (CHI) to Sydney (SYD)

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The best prices from Chicago to Sydney are usually found in November or September, booked 60 days in advance, depart on a Tuesday or Saturday and return on a Tuesday

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

CHI - SYD
Price
$992 - $1,879
SYD
Temperature
32 - 75.2 °F
SYD
Rainfall
3.3 - 6.3 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

Round-trip from

$992

From Chicago to Sydney

One-way from

$716

One-way flight from Chicago to Sydney

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?

Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 23% on your flight compared to booking on days when demand is much higher.

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

Users have found that booking a flight from Chicago to Sydney at least 61 days early can save you up to 14% on average compared to booking a flight this week. If booking 61 days before your flight isn’t an option for you, users have found flights from Chicago to Sydney for as little as $1,179 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,248 for flights departing within the next 3 days.

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

July can be a great time to fly to Sydney from Chicago with a flight ticket averaging about $1,017. Cheapflights users have found deals in the month of July for as cheap as $635. The most expensive prices can be found in the month of December.

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

Unlike in the evening, when flights are generally more expensive, you can save up to 31% on flights from Chicago to Sydney by exploring options for tickets in the morning.

Cheap flights from Chicago to Sydney in January, February 2021

The best prices found for CHI to SYD flights for January, February
28 Feb - 7 Mar
$2,675pp
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
28 Feb - 7 Mar
$2,691pp
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
28 Feb - 7 Mar
$2,700pp
ORD
Chicago O'Hare Intl
Multiple Airlines
   
2 STOPS
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
Qantas Airways
 
1 STOP
ORD
Chicago O'Hare Intl

Chicago to Sydney 2021 flight deals

Cheap flights to Sydney from Chicago found for this year
6 Apr - 13 Apr
$949pp
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
10 May - 16 May
$1,016pp
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
2 Apr - 24 Apr
$1,029pp
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

One-way flights to Sydney from Chicago

The cheapest one-way flights from Chicago to Sydney
1:45 pm - 4:55 am
ANA
1 Stop
24h 10m
ORD - SYD
ANA
$1,575
Kiwi.com
9:20 am - 5:55 pm
Multiple Airlines
2 Stops
41h 35m
ORD - SYD
Multiple Airlines
$716
Flyus
9:20 am - 9:15 am
Multiple Airlines
2 Stops
31h 55m
ORD - SYD
Multiple Airlines
$726
Travelocity

Related info for your journey

Useful info, stats and facts about Chicago to Sydney flights.

Flight FAQs

From Chicago to Sydney

Are flight prices decreasing from Chicago to Sydney due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Chicago and Sydney for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

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. Delta and Etihad Airways are some airlines that have done so. 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.

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.

Can I find flights from Chicago to Sydney for under $1,000 on Cheapflights?

Yes, there are multiple flights from Chicago to Sydney for under $1,000. The cheapest flight booked recently is on Multiple Airlines for just $949, but on average you can expect to pay $1,153.

Are there nonstop flights from Chicago to Sydney for under $900 on Cheapflights?

There are no nonstop flights from Chicago to Sydney, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Is Chicago weather warmer or cooler than Sydney?

Our data indicates that the weather will be 84 °F on average in the month of July. The temperature in Sydney is typically colder than in Chicago. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

How long is the flight from Chicago to Sydney?

Delta can get you from Chicago to Sydney in just under 26h 44m. Your travel time can differ by up to .

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

For one-way options, check prices for ANA. According to our data, you can fly for as low as $1,575.

Destination information for Sydney

Things to know before you go. Useful info for your trip from Chicago to Sydney
Today's exchange rate
$1 = $1.30
Average temperature for January in Sydney
32.0 °F
Avg rainfall for January in Sydney
5.7 ″

Airports servicing Chicago

Chicago Midway (MDW)
Rockford (RFD)

Airports servicing Sydney

Top 10 airlines flying from Chicago to Sydney

The chart below displays the airlines Cheapflights users traveling from Chicago to Sydney choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

Airline Cheapest Average Flexibility On-time COVID-19 safety
Spirit Airlines
$121 $228 No cancel fee 65%
Virgin Australia
$494 $717 No cancel fee 80%
Qantas Airways
$511 $912 No cancel fee 74%
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.

Fiji Airways
$627 $940 No cancel fee 74%
Delta
$540 $1,035 No cancel fee N/A
United Airlines
$465 $1,049 No cancel fee 69%
American Airlines
$232 $1,105 No cancel fee 71%
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.