Cheap flights from Chicago to Sydney

Flights overview

Useful information for finding cheap flights from Chicago to Sydney and booking your next trip
Cheapest round-trip flights $1,385
Alaska, Hawaiian 2 stops 33 hr Mon, Jan 12 — Tue, Jan 27
The cheapest round-trip flight from Chicago to Sydney is currently $1,385
Cheapest one-way flight $655
American, Fiji Airways 2 stops 27 hr Sat, Nov 15
The cheapest one-way flight from Chicago to Sydney is currently $655
Last-minute weekend getaway $1,485
Alaska, Hawaiian 2 stops 34 hr Thu, Oct 16 — Sun, Oct 19
The cheapest last-minute weekend getaway from Chicago to Sydney is currently $1,485
Cheapest business class flights $6,748
American 1 stop 21 hr Sun, Jan 4 — Sun, Jan 18
The cheapest business class round-trip flight from Chicago to Sydney is currently $6,748
Fastest flight 20 hr 30 min The fastest flight with stops from Chicago to Sydney takes 20 hr 30 min
Nonstop flights None There are no direct flights on this route.

When is the cheapest time to fly?

The cheapest month to fly from Chicago to Sydney is typically February. The most expensive month to fly is typically June.
February
Cheapest
Typical prices: $830–880
June
Most expensive
Typical prices: $1,450–1,800

Popular airlines from Chicago to Sydney

  • United
    from $1,462
    Typical price: $1,600–2,450
    122 weekly connecting flights
    ORD - SYD Every day
  • Delta
    from $1,467
    Typical price: $1,600–3,150
    115 weekly connecting flights
    MDW, ORD - SYD Every day
  • American
    from $1,445
    Typical price: $920–2,250
    43 weekly connecting flights
    ORD - SYD Every day
  • Cathay Pacific
    from $1,864
    Typical price: $1,600–3,150
    21 weekly connecting flights
    ORD - SYD Every day
  • Air Canada
    from $1,407
    Typical price: $1,400–2,750
    14 weekly connecting flights
    ORD - SYD Every day
  • Emirates
    from $2,881
    Typical price: $2,750–5,300
    14 weekly connecting flights
    ORD - SYD Every day

Popular airports near Chicago

  • Chicago O'Hare International Airport (ORD)
    Chicago United States 39 min 16 mi
  • Chicago Midway International Airport (MDW)
    Chicago United States 25 min 9 mi
  • Indianapolis International Airport (IND)
    Indianapolis United States 2 hr 57 min 165 mi
  • Milwaukee Mitchell International Airport (MKE)
    Milwaukee United States 1 hr 37 min 75 mi

Popular airports near Sydney

  • Sydney Airport (SYD)
    Sydney Australia 16 min 5 mi
  • Canberra Airport (CBR)
    Canberra Australia 2 hr 56 min 151 mi
  • Newcastle Airport (NTL)
    Newcastle Australia 2 hr 4 min 83 mi
  • Shellharbour Airport (WOL)
    Wollongong Australia 1 hr 31 min 53 mi

Frequently asked questions about flying from Chicago to Sydney

When are the cheapest days to fly from Chicago to Sydney?
The cheapest flights from Chicago to Sydney are usually in February. Typical ticket prices in February range from $830 to $880.
Which airlines provide the cheapest flights from Chicago to Sydney?
The cheapest round-trip flight from Chicago to Sydney recently found on Google Flights was with Alaska, Hawaiian from $1,385. The cheapest one-way flight was with American, Fiji Airways from $655.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest United flight from Chicago to Sydney is $1,462, flying from Dec 7 to Dec 21.
  • The cheapest Delta flight from Chicago to Sydney is $1,467, flying from Dec 6 to Dec 21.
  • The cheapest American flight from Chicago to Sydney is $1,445, flying from Dec 7 to Dec 21.
  • The cheapest Cathay Pacific flight from Chicago to Sydney is $1,864, flying from Oct 23 to Nov 5.
  • The cheapest Air Canada flight from Chicago to Sydney is $1,407, flying from Nov 10 to Nov 23.
  • The cheapest Emirates flight from Chicago to Sydney is $2,881, flying from Nov 2 to Nov 17.
What are the cheapest flights from Chicago to Sydney?
The cheapest round-trip flight from Chicago to Sydney starts at $1,385 from Mon, Jan 12 to Tue, Jan 27. The cheapest one-way flight starts at $655 and departs on Sat, Nov 15.
How long does it take to fly from Chicago to Sydney?
20 hr 30 min is the shortest flight time from Chicago to Sydney.
When should you fly to Sydney, Australia?
Sydney is temperate and sunny all year, and crowds are highest during summer (Dec–Feb) and during school holidays. Major events that increase hotel demand are the performing-arts–focused Sydney Festival (Jan), the Sydney Gay & Lesbian Mardi Gras (Feb–Mar), the Sydney Royal Easter Show (dates vary) and the Sydney Film Festival (Jun). Severe thunderstorms are most likely Oct–Mar.
How do I find cheap dates to fly from Chicago to Sydney?
It's easy to use Google Flights to find the cheapest days to fly from Chicago to Sydney.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.
What is the best airline to fly from Chicago to Sydney?
What counts as the best airline for your flights from Chicago to Sydney really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Chicago to Sydney.

In terms of flights, United is the most popular. United offers 122 connecting flights per week. United flies from Chicago O'Hare International Airport (ORD) to Sydney Airport (SYD) .

Other popular airlines flying from Chicago to Sydney are:
  • Delta offers 115 connecting flights per week. Delta flies from Chicago Midway International Airport (MDW) , Chicago O'Hare International Airport (ORD) to Sydney Airport (SYD) .
  • American offers 43 connecting flights per week. American flies from Chicago O'Hare International Airport (ORD) to Sydney Airport (SYD) .
  • Cathay Pacific offers 21 connecting flights per week. Cathay Pacific flies from Chicago O'Hare International Airport (ORD) to Sydney Airport (SYD) .
  • Air Canada offers 14 connecting flights per week. Air Canada flies from Chicago O'Hare International Airport (ORD) to Sydney Airport (SYD) .
  • Emirates offers 14 connecting flights per week. Emirates flies from Chicago O'Hare International Airport (ORD) to Sydney Airport (SYD) .
The number of connecting flights refers to distinct flights with at least one stop between Chicago and Sydney.
Which airlines provide the cheapest flights from Chicago to Sydney?
The cheapest round-trip flight from Chicago to Sydney recently found on Google Flights was with Alaska, Hawaiian from $1,385. The cheapest one-way flight was with American, Fiji Airways from $655.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest United flight from Chicago to Sydney is $1,462, flying from Dec 7 to Dec 21.
  • The cheapest Delta flight from Chicago to Sydney is $1,467, flying from Dec 6 to Dec 21.
  • The cheapest American flight from Chicago to Sydney is $1,445, flying from Dec 7 to Dec 21.
  • The cheapest Cathay Pacific flight from Chicago to Sydney is $1,864, flying from Oct 23 to Nov 5.
  • The cheapest Air Canada flight from Chicago to Sydney is $1,407, flying from Nov 10 to Nov 23.
  • The cheapest Emirates flight from Chicago to Sydney is $2,881, flying from Nov 2 to Nov 17.
Which airlines have direct flights from Chicago to Sydney?
No airline flies direct from Chicago to Sydney.
  • There are 122 United connecting flights from Chicago to Sydney per week. Flights are available every day.
  • There are 115 Delta connecting flights from Chicago to Sydney per week. Flights are available every day.
  • There are 43 American connecting flights from Chicago to Sydney per week. Flights are available every day.
  • There are 21 Cathay Pacific connecting flights from Chicago to Sydney per week. Flights are available every day.
  • There are 14 Air Canada connecting flights from Chicago to Sydney per week. Flights are available every day.
  • There are 14 Emirates connecting flights from Chicago to Sydney per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
Which airline provides the cheapest last-minute getaway flight from Chicago to Sydney?
The cheapest last-minute deal between Chicago and Sydney at price $1,485 is offered by Alaska, Hawaiian from Thu, Oct 16 to Sun, Oct 19.
Which airlines have direct flights from Chicago to Sydney?
No airline flies direct from Chicago to Sydney.
  • There are 122 United connecting flights from Chicago to Sydney per week. Flights are available every day.
  • There are 115 Delta connecting flights from Chicago to Sydney per week. Flights are available every day.
  • There are 43 American connecting flights from Chicago to Sydney per week. Flights are available every day.
  • There are 21 Cathay Pacific connecting flights from Chicago to Sydney per week. Flights are available every day.
  • There are 14 Air Canada connecting flights from Chicago to Sydney per week. Flights are available every day.
  • There are 14 Emirates connecting flights from Chicago to Sydney per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
When are direct flights from Chicago to Sydney available?
There are no direct flights from Chicago to Sydney.
How can I find nonstop flights from Chicago to Sydney?
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Chicago to Sydney, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.
What are the cheapest business class flights from Chicago to Sydney?
The cheapest business class round-trip flights between Chicago and Sydney start at $6,748 from Sun, Jan 4 to Sun, Jan 18 with American.
What are the cheapest economy class flights from Chicago to Sydney?
The cheapest economy class round-trip flights between Chicago and Sydney start at $1,385 from Mon, Jan 12 to Tue, Jan 27.
How can I book business class trips from Chicago to Sydney?
To book business class trips from Chicago to Sydney, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.
Are there any last-minute deals from Chicago to Sydney next weekend?
The best last-minute getaway deal for the next weekend between Chicago and Sydney starts at $1,485 from Thu, Oct 16 to Sun, Oct 19 with Alaska, Hawaiian.
Which airline provides the cheapest last-minute getaway flight from Chicago to Sydney?
The cheapest last-minute deal between Chicago and Sydney at price $1,485 is offered by Alaska, Hawaiian from Thu, Oct 16 to Sun, Oct 19.
How can I find last-minute flight deals from Chicago to Sydney?
To find last-minute flight deals from Chicago to Sydney, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.

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