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Cheap Flights from St. Louis to Sydney $1,126.46

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Here are your best fares found in the past 7 days

The lowest fare found for this route is $1136.26 on Wed, May 31 from STL to SYD
Flights Fare Calendar Find minimum fare between origin STL and destination SYD Click this button to get previous 30 days data Click this button to get next 30 days data $2306 $1976 $1647 $1317 $988 $658 $329 $0 Apr May 28 29 30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T Price is $ 1976.62 on Qantas Airways Price is $ 1892.41 on Qantas Airways Price is $ 1765.16 on United Price is $ 1761.08 on Qantas Airways Price is $ 1715.21 on Qantas Airways Price is $ 1712.06 on United Price is $ 1626.16 on Delta Price is $ 1614.06 on Qantas Airways Price is $ 1560.16 on United Price is $ 1555.66 on American Airlines Price is $ 1554.26 on Air New Zealand Price is $ 1547.26 on Air New Zealand Price is $ 1504.67 on American Airlines Price is $ 1460.16 on United Price is $ 1460.16 on American Airlines Price is $ 1455.66 on American Airlines Price is $ 1455.16 on American Airlines Price is $ 1434.16 on Delta Price is $ 1434.16 on United Price is $ 1408.38 on Air Canada Price is $ 1398.11 on Qantas Airways Price is $ 1383.16 on American Airlines Price is $ 1371.15 on Qantas Airways Price is $ 1368.89 on United Price is $ 1359.66 on Delta Price is $ 1359.16 on Delta Price is $ 1359.16 on United Price is $ 1314.64 on Qantas Airways Price is $ 1302.34 on Air Canada Price is $ 1294.96 on Air New Zealand Price is $ 1288.26 on United Price is $ 1286.66 on Air New Zealand Price is $ 1284.66 on Delta Price is $ 1284.66 on Delta Price is $ 1284.26 on United Price is $ 1283.86 on United Price is $ 1283.76 on United Price is $ 1283.76 on United Price is $ 1282.66 on American Airlines Price is $ 1281.26 on American Airlines Price is $ 1280.06 on United Price is $ 1279.76 on United Price is $ 1279.76 on American Airlines Price is $ 1279.76 on United Price is $ 1279.76 on United Price is $ 1279.76 on American Airlines Price is $ 1279.66 on American Airlines Price is $ 1279.66 on American Airlines Price is $ 1279.66 on American Airlines Price is $ 1279.66 on American Airlines Price is $ 1279.66 on American Airlines Price is $ 1279.66 on United Price is $ 1279.66 on American Airlines Price is $ 1279.66 on United Price is $ 1279.66 on American Airlines Price is $ 1279.66 on United Price is $ 1279.66 on United Price is $ 1279.66 on United Price is $ 1279.66 on United Price is $ 1279.66 on American Airlines Price is $ 1279.66 on United Price is $ 1269.21 on Delta Price is $ 1228.45 on Air Canada Price is $ 1218.26 on Air New Zealand Price is $ 1218.26 on Air New Zealand Price is $ 1218.26 on Air New Zealand Price is $ 1218.26 on Air New Zealand Price is $ 1211.26 on Air New Zealand Price is $ 1211.26 on Air New Zealand Price is $ 1211.26 on Air New Zealand Price is $ 1199.77 on Delta Price is $ 1187.99 on Air Canada Price is $ 1143.36 on United Price is $ 1143.26 on United Price is $ 1136.26 on Air New Zealand

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 : As of Apr 24th, the cheapest day to fly from Saint Louis to Sydney is May 23rd. Tickets are currently being sold for $739, which is 61% below the average price for this route.

Question : How long do most people stay in Sydney?
Answer : Of course you're not most people, but if you were, you'd stay roughly two weeks.

Question : Will you do what it takes to get the absolute lowest-cost flight?
Answer : The cheapest day to fly in May is Saturday. Being flexible with your travel days garners even more savings during booking.

Question : Are you paying the cheapest or highest price for your ticket to Sydney?
Answer : Flight prices are fluctuating a lot more for this route than the majority of routes from the United States, as they're ranging anywhere from $739 to $7,173. Prices tend to be lower the further out you book.

Question : What is the cheapest round-trip ticket you can get to Sydney?
Answer : Ticket costs are hitting as high as $7,173 over the next three months when flying to SYD from STL. Check out United Airlines, as they have been booking customers at just $739.