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Cheap Flights from St. Louis to Sydney $1,241.26

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

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Interesting Facts About Flights from St. Louis to Sydney (STL to SYD)

Question : Looking for the cheapest flight over the next 30 days?
Answer : February 3rd offers bookings (as of January 23rd) that are 38% below the average price for this route. Saving now means you'll have more money to spend on your trip.

Question : How long are most people's visits to Sydney when they fly in from Saint Louis?
Answer : Over the next two months, passengers from STL to SYD are planning on staying for 13 days on average.

Question : Can you cut down on flight costs by changing the day of the week you travel to Sydney?
Answer : The best day to fly on a budget this month is Thursday. Being flexible with your travel days garners you even more savings during your booking.

Question : Do prices fluctuate more for this route than others?
Answer : Prices are fluctuating much more for this route than the majority of routes. Remember, you can save by booking further in advance.