Cheap flights from St. Louis to Sydney

Choose between United Airlines, WN, or Delta Air Lines to find the best price

Why travel with Kiwi.com?

Best price

100+ million searches a day to find you the best available price.

Unique content

Explore unique options you won’t find anywhere else.

Travel hacks

Discover flight options and prices the airlines don’t want you to see.

Travelers usually depart from St. Louis Lambert International, or St. Louis Union Station when they travel from St. Louis to Sydney. The most popular airlines for this route are United Airlines, WN, Delta Air Lines, American Airlines, and Frontier Airlines. St. Louis and Sydney have 124 direct flights per week. When you arrive at Sydney, consider visiting Blue Mountains, and Sydney Opera House.

Weekly flights

MondaysTuesdaysWednesdaysThursdaysFridaysSaturdaysSundays
Number of flights38171512-2814

Check-in for a flight from St. Louis to Sydney

NameCarrier codeIATA CodePassport needed during bookingAirport check-in closesOnline check-in available
United AirlinesUALUAYesUnknownNo
WNSWAWNNoUnknownNo
Delta Air LinesDALDLYesUnknownNo
American AirlinesAALAAYesUnknownNo
Frontier AirlinesFFTF9NoUnknownNo

Frequently asked questions

What are the most popular routes to and from St. Louis?

Travelers frequently search for route combinations, such as St. Louis and Las Vegas, Los Angeles, Denver, Orlando, Atlanta, Minneapolis, San Diego, San Francisco, London, Phoenix, Seattle, Houston, Sacramento, New York, Cancún, Washington, D.C., Fort Lauderdale, Oakland, Tampa, Paris.

What are the most popular routes to and from Sydney?

Travelers frequently search for route combinations, such as Sydney and Melbourne, Auckland, Los Angeles, Denpasar, Cairns, Manila, Honolulu, Brisbane, Singapore, Bangkok, Queenstown, San Francisco, Gold Coast, Tokyo, Seoul, Ho Chi Minh City, Adelaide, Phnom Penh, Seattle, Kuala Lumpur.

What airports are near St. Louis?

The main airport in St. Louis is St. Louis Lambert International. It is also served by St. Louis Lambert International, General Wayne A. Downing Peoria International, Waynesville-St. Robert Regional, Abraham Lincoln Capital, Central Illinois Regional, MidAmerica St. Louis, Evansville Regional, Quincy Regional, Williamson County Regional, Columbia Regional.

What airports are near Sydney?

The main airport in Sydney is Sydney. It is also served by Canberra, Newcastle, Bathurst, Orange, Illawarra Regional.

What buses and trains depart from St. Louis?

A number of bus and train companies depart from St. Louis, including Amtrak train, Burlington Trailways, Greyhound.

Is it possible to combine flights, buses, and trains in one itinerary when traveling between St. Louis and Sydney?

What is Virtual Interlining and how do I use it?

Which airlines fly between St. Louis and Sydney?

When's the best time to travel between St. Louis and Sydney?

What flights operate between St. Louis and Sydney?

How many airports are there near St. Louis?

How many airports are there near Sydney?

Is it possible to reach St. Louis by bus or train?

What time do nonstop (direct) flights between St. Louis and Sydney depart?

What time do nonstop (direct) flights between St. Louis and Sydney arrive?

What time do flights between St. Louis and Sydney depart?

What time do flights between St. Louis and Sydney arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.

Find the best connection from St. Louis to Sydney

Search, compare, and book flights, trains, or buses to get there.

Search flights, trains & buses