Looking for a cheap last-minute deal or the best roundtrip flight from Chicago to Australia? If you want to travel next month, roundtrip fares start from $1,306. Find the lowest prices on one-way and roundtrip flight tickets right here.

Melbourne.$1,128 per passenger.Departing Thu, Nov 5, returning Thu, Nov 12.Round-trip flight with Frontier Airlines and Fiji Airways.Outbound indirect flight with Frontier Airlines, departing from Chicago O'Hare International on Thu, Nov 5, arriving in Melbourne Tullamarine.Inbound indirect flight with Fiji Airways, departing from Melbourne Tullamarine on Thu, Nov 12, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,128, select.

Perth.$1,218 per passenger.Departing Wed, Nov 4, returning Tue, Nov 10.Round-trip flight with Korean Air and Indonesia AirAsia.Outbound indirect flight with Korean Air, departing from Chicago O'Hare International on Wed, Nov 4, arriving in Perth.Inbound indirect flight with Indonesia AirAsia, departing from Perth on Tue, Nov 10, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,218, select.

Sydney.$1,246 per passenger.Departing Mon, Jan 18, returning Wed, Jan 27.Round-trip flight with Frontier Airlines and Fiji Airways.Outbound indirect flight with Frontier Airlines, departing from Chicago O'Hare International on Mon, Jan 18, arriving in Sydney.Inbound indirect flight with Fiji Airways, departing from Sydney on Wed, Jan 27, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,246, select.

Brisbane.$1,247 per passenger.Departing Mon, Feb 15, returning Tue, Mar 2.Round-trip flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departing from Chicago O'Hare International on Mon, Feb 15, arriving in Brisbane.Inbound indirect flight with Qatar Airways, departing from Brisbane on Tue, Mar 2, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,247, select.

Adelaide.$1,400 per passenger.Departing Wed, Feb 3, returning Mon, Feb 15.Round-trip flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departing from Chicago O'Hare International on Wed, Feb 3, arriving in Adelaide.Inbound indirect flight with Qatar Airways, departing from Adelaide on Mon, Feb 15, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,400, select.

Cairns.$1,423 per passenger.Departing Mon, Nov 2, returning Mon, Nov 9.Round-trip flight with Cathay Pacific and Jetstar.Outbound indirect flight with Cathay Pacific, departing from Chicago O'Hare International on Mon, Nov 2, arriving in Cairns.Inbound indirect flight with Jetstar, departing from Cairns on Mon, Nov 9, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,423, select.

Hobart.$1,485 per passenger.Departing Sun, May 2, returning Sat, May 22.Round-trip flight with Qatar Airways and Virgin Australia.Outbound indirect flight with Qatar Airways, departing from Chicago O'Hare International on Sun, May 2, arriving in Hobart.Inbound indirect flight with Virgin Australia, departing from Hobart on Sat, May 22, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,485, select.

Gold Coast.$1,527 per passenger.Departing Sat, Oct 31, returning Sat, Nov 7.Round-trip flight with Frontier Airlines and Air New Zealand.Outbound indirect flight with Frontier Airlines, departing from Chicago Midway on Sat, Oct 31, arriving in Gold Coast.Inbound indirect flight with Air New Zealand, departing from Gold Coast on Sat, Nov 7, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,527, select.

Newcastle.$1,567 per passenger.Departing Mon, Nov 9, returning Mon, Nov 16.Round-trip flight with Qatar Airways and Virgin Australia.Outbound indirect flight with Qatar Airways, departing from Chicago O'Hare International on Mon, Nov 9, arriving in Newcastle Williamtown.Inbound indirect flight with Virgin Australia, departing from Newcastle Williamtown on Mon, Nov 16, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,567, select.

Launceston.$1,596 per passenger.Departing Sun, Nov 1, returning Sun, Nov 8.Round-trip flight with Qatar Airways and Virgin Australia.Outbound indirect flight with Qatar Airways, departing from Chicago O'Hare International on Sun, Nov 1, arriving in Launceston.Inbound indirect flight with Virgin Australia, departing from Launceston on Sun, Nov 8, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,596, select.

Canberra.$1,653 per passenger.Departing Tue, Nov 3, returning Tue, Nov 10.Round-trip flight with Cathay Pacific and Jetstar.Outbound indirect flight with Cathay Pacific, departing from Chicago O'Hare International on Tue, Nov 3, arriving in Canberra.Inbound indirect flight with Jetstar, departing from Canberra on Tue, Nov 10, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,653, select.

Sunshine Coast.$1,655 per passenger.Departing Tue, Nov 3, returning Tue, Nov 10.Round-trip flight with Frontier Airlines and Jetstar.Outbound indirect flight with Frontier Airlines, departing from Chicago O'Hare International on Tue, Nov 3, arriving in Sunshine Coast.Inbound indirect flight with Jetstar, departing from Sunshine Coast on Tue, Nov 10, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,655, select.

Ballina.$1,713 per passenger.Departing Sun, Nov 1, returning Sun, Nov 8.Round-trip flight with Cathay Pacific and Jetstar.Outbound indirect flight with Cathay Pacific, departing from Chicago O'Hare International on Sun, Nov 1, arriving in Ballina Byron Gateway.Inbound indirect flight with Jetstar, departing from Ballina Byron Gateway on Sun, Nov 8, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,713, select.

Proserpine.$1,751 per passenger.Departing Mon, Nov 9, returning Mon, Nov 16.Round-trip flight with Korean Air and Jetstar.Outbound indirect flight with Korean Air, departing from Chicago O'Hare International on Mon, Nov 9, arriving in Whitsunday Coast (Proserpine).Inbound indirect flight with Jetstar, departing from Whitsunday Coast (Proserpine) on Mon, Nov 16, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,751, select.

Gladstone.$1,770 per passenger.Departing Sun, Nov 1, returning Sun, Nov 8.Round-trip flight with Qatar Airways and Virgin Australia.Outbound indirect flight with Qatar Airways, departing from Chicago O'Hare International on Sun, Nov 1, arriving in Gladstone.Inbound indirect flight with Virgin Australia, departing from Gladstone on Sun, Nov 8, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,770, select.

Mildura.$1,779 per passenger.Departing Wed, Nov 4, returning Wed, Nov 11.Round-trip flight with Cathay Pacific and Qantas.Outbound indirect flight with Cathay Pacific, departing from Chicago O'Hare International on Wed, Nov 4, arriving in Mildura.Inbound indirect flight with Qantas, departing from Mildura on Wed, Nov 11, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,779, select.

Show more deals

Alternative Chicago to Australia routes

Compare flight prices from airports across Australia. If you're flexible, you might find a cheaper flight or a faster route from a different airport.

Flights from Chicago to Australia FAQs

What is the cheapest flight to Australia from Chicago?

The cheapest flight from Chicago to Australia costs $1,128.

Explore the different prices of flights from Chicago to Australia and find the best option for you.

When is it the cheapest time to fly from Chicago to Australia?

The cheapest month to fly from Chicago to Australia is November. See if any of these flights in November suit you.

What is the cheapest Chicago to Australia flight route?

We've taken a look at the year ahead using our flights calendar. The cheapest flight route from Chicago to Australia is Chicago to Melbourne Tullamarine. You can buy a ticket to fly this route from $1,128.

Take a look at Chicago to Melbourne Tullamarine flights.

What is the cheapest airline that flies to Australia from Chicago?

Looking at the year ahead, the cheapest airline flying to Australia from Chicago is Frontier Airlines.

Explore flight ticket options today.

Cheapest flights to Australia from Chicago

How to find cheap flights from Chicago to Australia

Pick up a return flight from Chicago to Australia from $1,128, the cheapest price currently available.
That fare will take you from Chicago into Melbourne Tullamarine in Melbourne.
A one-way ticket starts at $554.
Willing to go wherever the best deals are? Enter 'Australia' in the 'To' field to find the lowest fares for different cities.
With roughly ten international airports, Australia has a good choice of arrival options.
For a broader price comparison, select 'Add nearby airports' to include all airports close to where you're departing from and heading to.
Pay less and have more options by booking ahead. Leave it late and you might have to compromise on airline, timing or cost.
Keep tabs on fare changes by setting up a Price Alert. If you haven't already, download the Skyscanner app to get notifications as they happen.

Best time to fly from Chicago to Australia

If you're watching what you spend, November is usually the cheapest month to hop on a flight from Chicago to Australia.
In general, flying midweek can help you cut costs. Tuesdays and Wednesdays often mean cheaper prices.
April, July and September mark the height of the travel season in Australia, with July the most popular of the three. Visit then for a lively atmosphere and plenty going on.
February, March and May are quieter months. March sees the lowest overall travel demand and is a good option if you prefer a slower pace.

Popular places to visit in Australia

Sydney

Located in New South Wales, this city is a popular destination for Chicago to Australia flights. Sydney Harbour Bridge, Port Jackson and Sydney Opera House are key stops for first-time visitors.
Sydney Airport (SYD) manages most international flights into Sydney.
Browse the selection of hotels in Sydney and round out your trip with a stay that fits how you travel.

Melbourne

The biggest draws in this Victoria city include Melbourne's Gardens, Melbourne Park and Arts Centre Melbourne.
You can arrive in the city through Melbourne Tullamarine Airport (MEL), Melbourne Avalon Airport (AVV) and Melbourne Essendon Airport (MEB).
After locking in your airfare, you can begin searching for the right stay among the hotels in Melbourne.

Brisbane

Well-known sights to squeeze in while you're in this part of Queensland include Gallery of Modern Art, Lone Pine Koala Sanctuary and South Bank Beach.
You can arrive in the city through its main airport, Brisbane Airport (BNE).
Whether you're stopping over or staying a while, hotels in Brisbane offer options for every type of trip.

Visiting Australia for the first time? Here's what you need to know

Entry rules can vary depending on your passport, length of stay and travel plans, so check well in advance. Official embassy sites and airlines will have the most up-to-date advice on visas or any other documentation you may need.
The Australian dollar (AUD) is the main currency. Paying is easy, with credit and debit cards accepted almost everywhere.
Australia has a population of roughly 27 million. The capital city is Canberra.
There's more than one standard time zone in this destination, ranging from UTC+8 through to UTC+11.
For a warmer trip to Australia, consider going in January.
Temperatures are often coolest around July.
January tends to be the wettest time of year, while March is the driest.
Hoping to time your Chicago to Australia flight with something big? Major events to build your trip around include Sydney New Year's Eve, the Australian Open and the Melbourne International Comedy Festival.

Complete your trip with hotels and a car rental

With your cheap flight from Chicago to Australia locked in, it's now time to plan the rest of your travels. Find competitive prices and places to suit every budget across hotels in Australia. You can also browse car rental options in Australia and compare offers from trusted suppliers in seconds.

Australia hotels and car rentals

Did you know we can help you plan the rest of your trip from Chicago to Australia? Get exclusive deals and great rates for hotels and car rental in Australia.