$845 Cheap Flights from Sydney (SYD) to Lafayette (LAF)

View $845 flight on Sat, Oct 25, 2025Opens in a new window

Popular airlines from Sydney Airport (SYD) to Lafayette, IN (LAF-Purdue University)

Cheap Flights from Sydney to Lafayette (SYD-LAF)

Prices were available within the past 7 days and start at $845 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Sydney (SYD) to Lafayette (LAF)
Origin airport
Kingsford Smith Intl.
Destination airport
Purdue University
Distance
9264 mi

Sydney to Lafayette Flights

The cheapest times to fly from Sydney to Lafayette

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 Sydney to Lafayette are during the month of . You can find some of the cheapest flights from Sydney to Lafayette with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sydney to Lafayette

Sunday is one of the best days to book for cheap flights from Sydney to Lafayette: 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 Sydney to Lafayette

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 Sydney to Lafayette in 2025. You can also book with separate airlines for your outbound and return journeys, from $845 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 Sydney to Lafayette 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 Sydney to Lafayette 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.

 

Frequently asked questions

How much does a flight from Kingsford Smith Intl. Airport (SYD) to Lafayette, IN (LAF-Purdue University) cost?
Lock in a cheap one-way flight from $845 or cheap return flight from Kingsford Smith Intl. Airport (SYD) to Lafayette, IN (LAF-Purdue University) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Kingsford Smith Intl. Airport (SYD) to Lafayette, IN (LAF-Purdue University)?
Planning your getaway for is a good way to save, as it's the cheapest month for flights between SYD and LAF. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Kingsford Smith Intl. Airport (SYD) to Lafayette, IN (LAF-Purdue University)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from SYD to LAF. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
How many flights per day from Kingsford Smith Intl. Airport (SYD) to Lafayette, IN (LAF-Purdue University)?
There aren't any daily direct flights from Kingsford Smith Intl. Airport (SYD) to Lafayette, IN (LAF-Purdue University). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from SYD to LAF?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change depending on a number of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Kingsford Smith Intl. Airport (SYD) to Lafayette, IN (LAF-Purdue University)?
To reach Lafayette, IN (LAF-Purdue University) without delays, pick a flight that leaves Kingsford Smith Intl. Airport (SYD) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Kingsford Smith Intl. Airport (SYD) to Lafayette, IN (LAF-Purdue University) last-minute?
Holding off until just before your trip to book your flight from SYD to LAF often results in higher prices. While you might find some last-minute offers, they aren't always guaranteed. Allow some flexibility in your schedule to boost your chances of snagging a bargain.
Is it cheaper to book a SYD to LAF flight and hotel package?
You'll typically save money by booking a SYD to LAF flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After choosing your preferred flights and accommodations, consider adding extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Kingsford Smith Intl. Airport (SYD) to Lafayette, IN (LAF-Purdue University)?
Typically, you can cancel or reschedule your SYD to LAF flight. However, additional fees may apply, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you'd like further details, go to our Customer Service portal.

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*Available to One Key members.