Cheap Flights from Chicago (ORD) to Rottnest Island (RTS)

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Rottnest Island, WA (RTS)

Alternative airports near Perth

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Perth Airport PER. Cheapest option available. Flights from $1,890
PER
Perth Airport
Cheapest
Flights from $1,890

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Rottnest Island Airport (RTS) cost?
Secure a cheap one-way flight or cheap return flight from O'Hare Intl. Airport (ORD) to Rottnest Island Airport (RTS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from O'Hare Intl. Airport (ORD) to Rottnest Island Airport (RTS)?
is the most affordable month to fly from ORD to RTS. Timing your trip outside of the busy season is often the key to finding better deals on flights.
What is the cheapest airline that flies from O'Hare Intl. Airport (ORD) to Rottnest Island Airport (RTS)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest ORD to RTS flight.
How many flights per day from O'Hare Intl. Airport (ORD) to Rottnest Island Airport (RTS)?
Direct flights from O'Hare Intl. Airport (ORD) to Rottnest Island Airport (RTS) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ORD to RTS?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Rottnest Island Airport (RTS)?
To avoid possible delays on the O'Hare Intl. Airport (ORD) to Rottnest Island Airport (RTS) route, aim to fly before 3 PM. Flights after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from O'Hare Intl. Airport (ORD) to Rottnest Island Airport (RTS) last-minute?
Booking your plane ticket from ORD to RTS shortly before your journey is typically more expensive. But if there's some wiggle room with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book an ORD to RTS flight and hotel package?
Booking an ORD to RTS flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Select from our wide range of hotels and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Rottnest Island Airport (RTS)?
In most instances, you can modify or cancel your ORD to RTS flight. However, additional fees may apply, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you need more details, head to our Customer Service portal.

Travel information

Origin airport
O'Hare Intl.
Destination airport
Rottnest Island
Distance
10977 mi

Book with confidence

Chicago to Rottnest Island Flights

The cheapest times to fly from Chicago to Rottnest Island

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chicago to Rottnest Island are during the month of . You can find some of the cheapest flights from Chicago to Rottnest Island with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chicago to Rottnest Island

Sunday is one of the best days to book for cheap flights from Chicago to Rottnest Island: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Chicago to Rottnest Island

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chicago to Rottnest Island in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chicago to Rottnest Island flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Chicago to Rottnest Island airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Chicago to Rottnest Island Flights

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*Available to One Key members.