$517+ Cheap flights from Australia to St. Louis (STL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — STL
Nov 30 — Dec 71
Round-trip
1 adult, Economy
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Find cheap flights from Australia to St. Louis with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Australia to St. Louis
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Cheapest flights from Australia to St. LouisExplore the most affordable flight options available from Australia to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 31, 2026.
Explore the most affordable flight options available from Australia to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 31, 2026.
This Trip.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1611:10 am -
1 stop26h 32m
Wed 12/27:00 am -
1 stop33h 00m
Deal found 10/27![Qantas Airways logo]()
$1,209
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2010:40 am -
2 stops28h 42m
Tue 12/2911:15 am -
2 stops53h 15m
Deal found 10/29![Delta logo]()
$1,513
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2311:20 am -
1 stop22h 45m
Sat 12/266:58 pm -
2 stops44h 32m
Deal found 10/29![United Airlines logo]()
$1,597
This American Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/229:40 am -
1 stop18h 46m
Tue 12/295:00 am -
1 stop33h 30m
Deal found 10/29![American Airlines logo]()
$1,598
This American Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/264:15 pm -
2 stops47h 43m
Wed 12/305:00 am -
1 stop33h 30m
Deal found 10/29![American Airlines logo]()
$1,623
This American Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/241:10 pm -
2 stops37h 24m
Wed 12/305:00 am -
1 stop33h 30m
Deal found 10/29![American Airlines logo]()
$1,624
This Orbitz deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:10 pm -
2 stops41h 49m
Wed 11/48:10 am -
1 stop29h 15m
Deal found 10/27![Multiple Airlines logo]()
$1,643
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2111:20 am -
1 stop26h 55m
Fri 1/110:45 am -
2 stops28h 45m
Deal found 10/29![United Airlines logo]()
$1,650
This American Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/209:40 am -
1 stop18h 46m
Mon 12/285:00 am -
1 stop33h 30m
Deal found 10/29![American Airlines logo]()
$1,651
This American Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/229:40 am -
2 stops25h 28m
Fri 1/16:57 pm -
1 stop19h 33m
Deal found 10/29![American Airlines logo]()
$1,654
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:55 am -
2 stops30h 20m
Tue 12/299:35 am -
2 stops29h 55m
Deal found 10/29![United Airlines logo]()
$1,675
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/265:05 am -
2 stops28h 54m
Mon 12/289:35 am -
2 stops29h 55m
Deal found 10/29![United Airlines logo]()
$1,677
Best flights from Australia to St. LouisDiscover carefully curated flight deals from Australia to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 31, 2026.
Discover carefully curated flight deals from Australia to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 31, 2026.
This Trip.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1611:10 am -
1 stop26h 32m
Wed 12/27:00 am -
1 stop33h 00m
Deal found 10/27![Qantas Airways logo]()
$1,209
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/259:20 am -
1 stop30h 05m
Tue 3/235:59 pm -
2 stops23h 21m
Deal found 10/29![United Airlines logo]()
$1,218
This American Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/29:40 am -
1 stop26h 21m
Sat 2/65:00 pm -
1 stop21h 30m
Deal found 10/27![American Airlines logo]()
$1,283
This Air New Zealand deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/411:50 am -
2 stops27h 22m
Sun 3/289:23 am -
3 stops31h 22m
Deal found 10/28![Multiple Airlines logo]()
$1,379
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1610:10 am -
2 stops30h 16m
Wed 1/67:05 am -
2 stops31h 55m
Deal found 10/29![Delta logo]()
$2,251
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/211:20 am -
2 stops21h 53m
Sat 2/64:30 pm -
2 stops23h 00m
Deal found 10/27![United Airlines logo]()
$1,281
This Air New Zealand deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/711:50 am -
2 stops27h 05m
Wed 3/311:30 pm -
3 stops27h 15m
Deal found 10/28![Multiple Airlines logo]()
$1,538
This Qantas Airways deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/256:05 am -
2 stops24h 36m
Tue 3/235:46 pm -
3 stops26h 39m
Deal found 10/29![Multiple Airlines logo]()
$1,582
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2211:20 am -
1 stop26h 55m
Tue 12/299:35 am -
2 stops29h 55m
Deal found 10/29![United Airlines logo]()
$1,597
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2111:20 am -
2 stops37h 35m
Wed 12/3010:45 am -
2 stops28h 45m
Deal found 10/29![United Airlines logo]()
$1,597
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2011:20 am -
1 stop26h 55m
Thu 12/3110:45 am -
2 stops28h 45m
Deal found 10/29![United Airlines logo]()
$1,650
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2311:20 am -
1 stop22h 45m
Thu 12/319:35 am -
2 stops29h 55m
Deal found 10/29![United Airlines logo]()
$1,650
This Bravofly deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1411:10 am -
1 stop26h 30m
Mon 12/216:57 pm -
1 stop42h 58m
Deal found 10/30![Qantas Airways logo]()
$2,473
This American Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/112:05 pm -
1 stop23h 22m
Fri 12/188:06 am -
1 stop29h 49m
Deal found 10/27![American Airlines logo]()
$2,572
This Mytrip deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:20 am -
3 stops29h 54m
Wed 12/27:58 pm -
3 stops41h 27m
Deal found 10/27![Multiple Airlines logo]()
$2,248
This Qantas Airways deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/152:05 pm -
1 stop23h 22m
Tue 12/224:32 pm -
2 stops23h 28m
Deal found 10/31![Multiple Airlines logo]()
$2,275
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1812:45 pm -
2 stops26h 45m
Mon 1/410:45 am -
2 stops29h 45m
Deal found 10/28![United Airlines logo]()
$2,107
This Qantas Airways deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1411:10 am -
2 stops24h 16m
Mon 12/211:13 pm -
3 stops28h 07m
Deal found 10/30![Multiple Airlines logo]()
$2,603
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1612:45 pm -
1 stop22h 26m
Wed 1/610:45 am -
2 stops30h 45m
Deal found 10/27![United Airlines logo]()
$2,164
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1912:45 pm -
1 stop33h 21m
Wed 1/67:29 am -
2 stops33h 01m
Deal found 10/29![United Airlines logo]()
$2,255
Last-minute flights from Australia to St. LouisDiscover last-minute flight deals from Australia to St. Louis. Data last updated October 31, 2026 and is based on user searches.
Discover last-minute flight deals from Australia to St. Louis. Data last updated October 31, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1611:10 am -
1 stop26h 32m
Wed 12/27:00 am -
1 stop33h 00m
Deal found 10/27![Qantas Airways logo]()
$1,209
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2010:40 am -
2 stops28h 42m
Tue 12/2911:15 am -
2 stops53h 15m
Deal found 10/29![Delta logo]()
$1,513
This American Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/209:40 am -
1 stop18h 46m
Mon 12/285:00 am -
1 stop33h 30m
Deal found 10/29![American Airlines logo]()
$1,651
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2111:20 am -
2 stops37h 35m
Fri 1/110:45 am -
2 stops28h 45m
Deal found 10/29![United Airlines logo]()
$1,650
This American Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/229:40 am -
1 stop18h 46m
Tue 12/295:00 am -
1 stop33h 30m
Deal found 10/29![American Airlines logo]()
$1,598
This American Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/229:40 am -
2 stops25h 28m
Fri 1/16:57 pm -
1 stop19h 33m
Deal found 10/29![American Airlines logo]()
$1,654
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2311:20 am -
1 stop22h 45m
Tue 12/296:15 am -
2 stops33h 15m
Deal found 10/29![United Airlines logo]()
$1,597
This American Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/241:10 pm -
2 stops37h 24m
Wed 12/305:00 am -
1 stop33h 30m
Deal found 10/29![American Airlines logo]()
$1,624
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:55 am -
2 stops30h 20m
Tue 12/299:35 am -
2 stops29h 55m
Deal found 10/29![United Airlines logo]()
$1,675
This American Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/264:15 pm -
2 stops47h 43m
Wed 12/305:00 am -
1 stop33h 30m
Deal found 10/29![American Airlines logo]()
$1,623
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/265:05 am -
2 stops28h 54m
Mon 12/289:35 am -
2 stops29h 55m
Deal found 10/29![United Airlines logo]()
$1,677
This American Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/264:15 pm -
2 stops47h 43m
Fri 1/11:51 pm -
2 stops24h 39m
Deal found 10/29![American Airlines logo]()
$1,679
One-way flights from Australia to St. LouisSearch for one-way flight options from Australia to St. Louis. Find affordable one-way fares based on user searches. Data last updated October 31, 2026.
Search for one-way flight options from Australia to St. Louis. Find affordable one-way fares based on user searches. Data last updated October 31, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/291:35 pm -
3 stops37h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Multiple Airlines logo]()
$517
This BusinessClass deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/39:40 am -
1 stop26h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Qantas Airways logo]()
$587
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1311:10 am -
2 stops26h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![American Airlines logo]()
$682
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1311:50 am -
1 stop23h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![United Airlines logo]()
$684
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/311:40 am -
3 stops52h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$847
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/2912:45 pm -
1 stop22h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![United Airlines logo]()
$878
This Air New Zealand deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1311:50 am -
3 stops28h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Multiple Airlines logo]()
$893
This Turkish Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/139:35 pm -
3 stops65h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Turkish Airlines logo]()
$1,147
This Expedia deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2011:35 am -
2 stops52h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$1,198
This Cathay Pacific deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1311:45 am -
3 stops46h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Cathay Pacific logo]()
$1,321
This KAYAK deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/57:20 am -
2 stops45h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Japan Airlines logo]()
$1,352
This oojo deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/82:20 pm -
2 stops49h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Qantas Airways logo]()
$1,386
Find flight deals from Australia to St. Louis
Keep the following information in mind while searching for Australia to St. Louis flight deals. Data was last updated October 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,201 (Bravofly) |
One-way from | $517 (Kiwi.com) |
Popular in | April |
Cheapest in | January |
Average price | $1,137 |
Cheapflights Fare Finder
Customize your flight search to find flights from Australia to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 31, 2026.
Use the filters below to find and compare flights from Australia to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MelbourneSt. Louis
MEL Melbourne - STL Lambert-St Louis
MELSTL
Melbourne
Fri 1/29
1:35 pm-10:20 am
3 stops37h 45m
Lambert-St Louis
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$517
BrisbaneSt. Louis
BNE Brisbane - STL Lambert-St Louis
BNESTL
Brisbane
Thu 12/3
9:40 am-9:41 pm
2 stops28h 01m
Lambert-St Louis
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$591
SydneySt. Louis
SYD Sydney Kingsford Smith - STL Lambert-St Louis
SYDSTL
Sydney Kingsford Smith
Fri 11/13
11:10 am-8:42 pm
1 stop26h 32m
Lambert-St Louis
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$682
SydneySt. Louis
SYD Sydney Kingsford Smith - STL Lambert-St Louis
SYDSTL
Sydney Kingsford Smith
Fri 11/13
11:50 am-6:05 pm
1 stop23h 15m
Lambert-St Louis
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$684
MelbourneSt. Louis
MEL Melbourne - STL Lambert-St Louis
MELSTL
Melbourne
Fri 1/29
12:45 pm-6:17 pm
1 stop22h 32m
Lambert-St Louis
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$878
SydneySt. Louis
SYD Sydney Kingsford Smith - STL Lambert-St Louis
SYDSTL
Sydney Kingsford Smith
Fri 11/13
11:50 am-11:24 pm
3 stops28h 34m
Lambert-St Louis
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$893
SydneySt. Louis
SYD Sydney Kingsford Smith - STL Lambert-St Louis
SYDSTL
Sydney Kingsford Smith
Mon 11/16
11:10 am-8:42 pm
1 stop26h 32m
Lambert-St Louis
Wed 12/2
7:00 am-9:00 am
1 stop33h 00m
$1,209
SydneySt. Louis
SYD Sydney Kingsford Smith - STL Lambert-St Louis
SYDSTL
Sydney Kingsford Smith
Thu 2/25
9:20 am-10:25 pm
1 stop30h 05m
Lambert-St Louis
Tue 3/23
5:59 pm-9:20 am
2 stops23h 21m
$1,218
BrisbaneSt. Louis
BNE Brisbane - STL Lambert-St Louis
BNESTL
Brisbane
Tue 2/2
11:20 am-5:13 pm
2 stops21h 53m
Lambert-St Louis
Sat 2/6
4:30 pm-7:30 am
2 stops23h 00m
$1,281
BrisbaneSt. Louis
BNE Brisbane - STL Lambert-St Louis
BNESTL
Brisbane
Tue 2/2
9:40 am-8:01 pm
1 stop26h 21m
Lambert-St Louis
Sat 2/6
5:00 pm-6:30 am
1 stop21h 30m
$1,283
Showing 1-10 of 40 resultsSorted by cheapest first
Best time to book a flight from Australia to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Australia with our price prediction graph.
SYD-STL
BNE-STL
MEL-STL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Australia to St. Louis
AU0-STL
SYD-STL
BNE-STL
MEL-STL
What is the cheapest month to book a flight from Australia to St. Louis?
Currently, January is the cheapest month in which you can book a flight from Australia to St. Louis (average of $1,018). Flying from Australia to St. Louis in April is currently the most expensive (average of $1,627). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated October 31, 2026.
Peruse reviews from past customers who have flown with United Airlines from Australia to St. Louis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.1
Overall
7.3
Crew
8.1
Food
6.7
Comfort
7.3
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Entertainment
7.1
Overall
7.3
Crew
8.1
Food
6.7
Comfort
7.3
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Related info for your journey
Find useful and relevant information for your journey from Australia to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsFairview Heights
O'Fallon
Fenton
Swansea
Eureka
Wentzville
Maryland Heights
Chesterfield
Collinsville
Edwardsville
Glencoe
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Australia and St. Louis flights
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Other flights to St. Louis
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Top airline flying from Australia to St. Louis
Discover the top airline that operate flights from Australia to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,298 | Average$2,023 | FlexibilityNo cancel fee | On-time69% |