A sunset over Sydney's skyline, including the Sydney Opera House and Harbour Bridge.

Cheap Flights from St. Louis (STL) to Sydney (SYD)

Flight 1

Popular airlines from Lambert-St. Louis International Airport (STL) to Sydney Airport (SYD)

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Frequently asked questions

How much is a flight from Lambert Field to SYD?
If you're planning on travelling from Lambert-St. Louis Intl. Airport (STL) to SYD, round-trip flights start from . This price is based on airfares listed within the last 7 days on Expedia for flights departing within the next year, so don't wait around. Book today and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Lambert Field to SYD?
The majority of flights can be cancelled online, but whether or not you are charged a fee depends on your airline. If you do have to cancel your getaway, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from St. Louis Lambert International Airport to Kingsford Smith Intl. Airport (SYD) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Lambert Field to Mascot Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from STL to Sydney Airport?
With a flight distance of 14,600 kilometres between St. Louis and Sydney, this is a long-haul trip. Ensure that you keep well hydrated and take a short walk down the aisle every now and then.
Which airlines fly direct from Lambert Field to Kingsford Smith Intl. Airport (SYD)?
Unfortunately, there are no airlines that fly direct between Lambert Field and Kingsford Smith Intl. Airport (SYD). You'll need to book a flight with one or more stops.
Are STL to Mascot Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices change all the time, so not always. While last-minute flight deals between STL and Kingsford Smith Intl. Airport (SYD) are possible, it's also a good idea to keep track of prices well before you fly. In fact, some air carriers publicize their prices up to a year ahead of the departure date. Expedia is continuously updating the best bargains around, so keep checking and be ready to grab your seat when the price dips.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Kingsford Smith Intl.
Distance
14496 km

Book with confidence

St. Louis to Sydney Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from St. Louis to Sydney will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Sydney.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with STL to SYD flights that won’t make your bank account wince. Ready to temporarily leave behind St. Louis for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to SYD with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

St. Louis to Sydney Flights

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