Cheap flights from Illinois (IL) to Sydney (SYD)

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How to find the cheapest flight from
Illinois to Sydney (SYD)

All the information you need to plan the best null to SYD flight in 2021: compare Illinois to Sydney flight prices with the expected peak season, weather and rainfall in Sydney.
How far in advance should I book a flight from Illinois to Sydney?

Users have found that booking a flight from Illinois 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 Illinois to Sydney for as little as $1,257 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 $1,362 for flights departing within the next 3 days.

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

November can be a great time to fly to Sydney from Illinois with a flight ticket averaging about $1,167. Cheapflights users have found deals in the month of November for as cheap as $586. The most expensive prices can be found in the month of December.

When is the cheapest time to fly from Illinois to Sydney (USIL - SYD)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Sydney as you normally would.

Cheap flights from Illinois to Sydney in September, October 2021

The best prices found for Illinois to SYD flights for September, October
14 Oct - 20 Jan
$9,133pp
ORD
Chicago O'Hare Intl
Multiple Airlines
     
3 STOPS
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
Multiple Airlines
     
3 STOPS
ORD
Chicago O'Hare Intl
30 Sep - 30 Oct
$17,588pp
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
6 Oct - 3 Mar
$17,696pp
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

Illinois to Sydney 2021 flight deals

Cheap flights to Sydney from Illinois found for this year
9 Dec - 14 Dec
$941pp
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
9 Dec - 14 Dec
$964pp
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
14 Dec - 20 Jan
$1,061pp
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 Kingsford Smith from Illinois

The cheapest one-way flights from Illinois to Sydney
1:50 pm - 3:30 pm
Malaysia Airlines
2 Stops
56h 40m
ORD - SYD
Malaysia Airlines
$1,124
SmartFares
3:32 pm - 12:35 pm
Qantas Airways
3 Stops
52h 03m
ORD - SYD
Qantas Airways
$2,354
Priceline
2:39 am - 2:20 am
American Airlines
1 Stop
30h 41m
ORD - SYD
American Airlines

Related info for your journey

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

Flight FAQs

From Illinois to Sydney

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

If you book a flight to Sydney from Illinois, you will be flying to Kingsford Smith, which is the city’s only airport. Sydney Kingsford Smith (SYD) is located 4.6 mi from the center of Sydney.

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

Some of the carriers operating flights from Illinois to Sydney Kingsford Smith that may be offering flexible cancellation policies are Qantas Airways, United Airlines, and American Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

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

Etihad Airways is one of the many airlines that have implemented additional safety measures to control the spread of COVID-19. New policies for travelers booking flights from Illinois 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.

Are flight prices decreasing from Illinois 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 Illinois 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.

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

Yes, there are multiple flights from Illinois to Sydney for under $1,000. The cheapest flight booked recently is on Multiple Airlines for just $941, but on average you can expect to pay $1,085.

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

One-way options have recently been found by users for as low as $1,124 on Malaysia Airlines. Other airlines that offer cheap prices include Qantas Airways from $2,354 and American Airlines from $2,425 one-way.

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COVID Restrictions

View COVID Travel Restrictions for Sydney, Australia

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

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

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

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

Quarantine requirements
Visitors from Illinois 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 Illinois from Sydney?

Returning to Illinois 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 Illinois.

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

Hide COVID Travel Restrictions for Sydney, Australia

Departure points for flights from Illinois to Sydney

Select to see more specific information for flights to Sydney from all departure points in Illinois.

Destination information for Sydney

Things to know before you go - useful duration and weather info for your trip from Illinois to Sydney.
Today's exchange rate
$1 = $1.37
Average temperature for September in Sydney
68.0 °F
Avg rainfall for September in Sydney
4.9 ″

Airports servicing

Bloomington (BMI)
Champaign (CMI)
Decatur (DEC)
Moline (MLI)
Marion (MWA)

Airports servicing Sydney

Top 10 airlines flying from Illinois to Sydney Kingsford Smith

The chart below displays the airlines Cheapflights users traveling from Illinois 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 $1,087 No cancel fee 69%
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.

Air New Zealand
$894 $1,333 No cancel fee 78%