Cheap flights from St. Louis to Sydney from $665

Travelers frequently search for route combinations, such as St. Louis and Orlando, Las Vegas, Fort Lauderdale, Los Angeles, London, San Juan, Cancún, Denver, Reno, Seattle, San Francisco, New York, Washington, D.C., Amsterdam, Medellín, Oakland, Burbank, Beirut, Calgary, Charlotte.

Travelers frequently search for route combinations, such as Sydney and Honolulu, Los Angeles, New York, San Francisco, Dallas, San Diego, Melbourne, Hagåtña, Boston, Sacramento, Detroit, Austin, Atlanta, Denpasar, Las Vegas, Oakland, Salt Lake City, Brisbane, Bangkok, Auckland.

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

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

Currently, you can fly between St. Louis and Sydney with Hawaiian Airlines, Jetstar Airways, Qantas, United Airlines, Frontier Airlines.

If you don’t have specific dates for your trip between St. Louis and Sydney, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

Traveling between St. Louis and Sydney, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

There are a number of airports in and around St. Louis. The main one is St. Louis Lambert International and other nearby airports include St. Louis Lambert International, MidAmerica St. Louis, Evansville Regional, Abraham Lincoln Capital, General Wayne A. Downing Peoria International, Cape Girardeau Regional, Williamson County Regional, Central Illinois Regional, Barkley Regional, Columbia Regional

There are a number of airports in and around Sydney. The main one is Sydney and other nearby airports include Canberra, Newcastle, Orange, Illawarra Regional.