$698+ Cheap flights from Australia to St. Louis (STL)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/30. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — STL
Jun 1 — Jun 81
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 May 2, 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 May 2, 2026.
This Air Canada deal was found by Cheapflights users on 4/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/209:20 am
SYD
- STL
2 stops41h 46m
Multiple Airlines
Thu 5/284:48 pm
STL
- SYD
2 stops23h 32m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$1,064
This Mytrip deal was found by Cheapflights users on 4/27. 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.
Wed 6/109:20 am
SYD
- STL
2 stops53h 37m
Air Canada
Wed 6/178:40 am
STL
- SYD
2 stops31h 40m
Air Canada
Deal found 4/27![Air Canada logo]()
$1,070
This Booking.com deal was found by Cheapflights users on 4/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/109:20 am
SYD
- STL
2 stops50h 19m
Air Canada
Thu 9/35:10 am
STL
- SYD
2 stops35h 10m
Air Canada
Deal found 4/28![Air Canada logo]()
$1,088
This Booking.com deal was found by Cheapflights users on 4/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/119:20 am
SYD
- STL
2 stops41h 46m
Air Canada
Thu 6/184:48 pm
STL
- SYD
2 stops23h 32m
Air Canada
Deal found 4/27![Air Canada logo]()
$1,103
This Bravofly deal was found by Cheapflights users on 4/29. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/279:45 am
MEL
- STL
1 stop29h 11m
Qantas Airways
Wed 6/36:35 am
STL
- MEL
1 stop33h 10m
Qantas Airways
Deal found 4/29![Qantas Airways logo]()
$1,107
This Air Canada deal was found by Cheapflights users on 4/28. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/209:20 am
SYD
- STL
2 stops26h 05m
Air Canada
Thu 5/281:05 pm
STL
- SYD
3 stops51h 15m
Air Canada
Deal found 4/28![Air Canada logo]()
$1,112
This American Airlines deal was found by Cheapflights users on 4/29. 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 5/289:45 am
MEL
- STL
1 stop29h 11m
American Airlines
Thu 6/46:35 am
STL
- MEL
1 stop33h 10m
American Airlines
Deal found 4/29![American Airlines logo]()
$1,112
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Tue 5/129:45 am
MEL
- STL
1 stop29h 14m
American Airlines
Mon 5/252:37 pm
STL
- MEL
2 stops25h 08m
American Airlines
Deal found 4/28![American Airlines logo]()
$1,117
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Thu 5/149:45 am
MEL
- STL
2 stops24h 45m
American Airlines
Sun 5/242:37 pm
STL
- MEL
2 stops25h 08m
American Airlines
Deal found 4/28![American Airlines logo]()
$1,118
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Wed 5/139:30 am
MEL
- STL
2 stops28h 00m
United Airlines
Sun 5/247:23 pm
STL
- MEL
1 stop21h 52m
United Airlines
Deal found 4/28![United Airlines logo]()
$1,128
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Wed 5/1310:55 am
MEL
- STL
2 stops25h 18m
United Airlines
Mon 5/257:23 pm
STL
- MEL
1 stop21h 52m
United Airlines
Deal found 4/28![United Airlines logo]()
$1,129
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/149:45 am
MEL
- STL
1 stop29h 11m
American Airlines
Sun 6/211:45 pm
STL
- MEL
2 stops26h 00m
American Airlines
Deal found 4/30![American Airlines logo]()
$1,130
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 May 2, 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 May 2, 2026.
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Tue 5/129:45 am
MEL
- STL
1 stop29h 14m
American Airlines
Mon 5/252:37 pm
STL
- MEL
2 stops25h 08m
American Airlines
Deal found 4/28![American Airlines logo]()
$1,117
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Thu 5/1410:55 am
MEL
- STL
1 stop22h 27m
United Airlines
Sun 5/247:23 pm
STL
- MEL
1 stop21h 52m
United Airlines
Deal found 4/28![United Airlines logo]()
$1,129
This Delta deal was found by Cheapflights users on 4/29. 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 5/2710:00 am
MEL
- STL
2 stops24h 03m
Delta
Wed 6/38:53 am
STL
- MEL
2 stops31h 57m
Delta
Deal found 4/29![Delta logo]()
$1,135
This Air Canada deal was found by Cheapflights users on 4/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/38:30 pm
MEL
- STL
3 stops38h 39m
Air Canada
Sun 6/78:40 am
STL
- MEL
3 stops35h 25m
Air Canada
Deal found 4/30![Air Canada logo]()
$1,319
This Bravofly deal was found by Cheapflights users on 4/29. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/289:45 am
MEL
- STL
1 stop29h 11m
Qantas Airways
Thu 6/46:35 am
STL
- MEL
2 stops39h 05m
Qantas Airways
Deal found 4/29![Qantas Airways logo]()
$1,338
This BYOjet deal was found by Cheapflights users on 4/28. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:00 am
MEL
- STL
3 stops29h 19m
Multiple Airlines
Sun 5/242:15 pm
STL
- MEL
3 stops29h 50m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$1,439
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Wed 5/1310:55 am
MEL
- STL
2 stops26h 35m
United Airlines
Sun 5/247:23 pm
STL
- MEL
1 stop21h 52m
United Airlines
Deal found 4/28![United Airlines logo]()
$1,129
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Wed 5/139:30 am
MEL
- STL
2 stops25h 21m
United Airlines
Mon 5/251:38 pm
STL
- MEL
2 stops26h 52m
United Airlines
Deal found 4/28![United Airlines logo]()
$1,129
This American Airlines deal was found by Cheapflights users on 4/27. 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.
Wed 5/209:10 am
SYD
- STL
1 stop29h 49m
American Airlines
Thu 5/282:36 pm
STL
- SYD
2 stops25h 29m
American Airlines
Deal found 4/27![American Airlines logo]()
$1,249
This Delta deal was found by Cheapflights users on 5/1. 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 5/209:15 am
SYD
- STL
2 stops22h 31m
Delta
Thu 5/289:13 am
STL
- SYD
2 stops30h 37m
Delta
Deal found 5/1![Delta logo]()
$1,249
This American Airlines deal was found by Cheapflights users on 4/27. 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.
Thu 6/115:50 pm
SYD
- STL
1 stop21h 06m
American Airlines
Thu 6/182:32 pm
STL
- SYD
2 stops25h 33m
American Airlines
Deal found 4/27![American Airlines logo]()
$1,256
This United Airlines deal was found by Cheapflights users on 5/1. 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 5/209:30 am
SYD
- STL
2 stops24h 25m
United Airlines
Thu 5/287:23 pm
STL
- SYD
1 stop20h 32m
United Airlines
Deal found 5/1![United Airlines logo]()
$1,269
This Qantas Airways deal was found by Cheapflights users on 4/28. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1010:05 am
SYD
- STL
2 stops23h 05m
Multiple Airlines
Thu 9/33:35 pm
STL
- SYD
3 stops27h 55m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$1,773
This United Airlines deal was found by Cheapflights users on 4/29. 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 6/1310:55 am
MEL
- STL
1 stop22h 22m
United Airlines
Sat 6/207:23 pm
STL
- MEL
1 stop21h 52m
United Airlines
Deal found 4/29![United Airlines logo]()
$1,495
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/89:15 am
SYD
- STL
2 stops26h 22m
Delta
Mon 7/206:00 am
STL
- SYD
2 stops33h 50m
Delta
Deal found 4/30![Delta logo]()
$1,842
This Qantas Airways deal was found by Cheapflights users on 5/1. 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 6/1612:00 pm
SYD
- STL
1 stop19h 33m
Multiple Airlines
Tue 6/235:18 pm
STL
- SYD
2 stops22h 47m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$1,924
This Qantas Airways deal was found by Cheapflights users on 5/1. 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 6/1512:00 pm
SYD
- STL
1 stop22h 36m
Multiple Airlines
Mon 6/225:18 pm
STL
- SYD
2 stops23h 42m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$1,930
This Qantas Airways deal was found by Cheapflights users on 4/29. 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.
Tue 8/256:30 am
LST
- STL
2 stops31h 25m
Qantas Airways
Sat 8/296:00 am
STL
- LST
2 stops47h 10m
Qantas Airways
Deal found 4/29![Qantas Airways logo]()
$2,350
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 7/810:20 am
SYD
- STL
2 stops26h 06m
United Airlines
Mon 7/207:23 pm
STL
- SYD
1 stop20h 32m
United Airlines
Deal found 4/30![United Airlines logo]()
$1,936
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Wed 6/310:55 am
MEL
- STL
1 stop22h 22m
United Airlines
Sun 6/77:23 pm
STL
- MEL
1 stop21h 52m
United Airlines
Deal found 4/29![United Airlines logo]()
$2,061
This United Airlines deal was found by Cheapflights users on 4/29. 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 8/256:10 am
LST
- STL
3 stops48h 28m
United Airlines
Sat 8/298:52 am
STL
- LST
2 stops40h 13m
United Airlines
Deal found 4/29![United Airlines logo]()
$2,507
Last-minute flights from Australia to St. LouisDiscover last-minute flight deals from Australia to St. Louis. Data last updated May 2, 2026 and is based on user searches.
Discover last-minute flight deals from Australia to St. Louis. Data last updated May 2, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Tue 5/129:45 am
MEL
- STL
1 stop29h 14m
American Airlines
Mon 5/252:37 pm
STL
- MEL
2 stops25h 08m
American Airlines
Deal found 4/28![American Airlines logo]()
$1,117
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Wed 5/139:30 am
MEL
- STL
2 stops28h 00m
United Airlines
Sun 5/247:23 pm
STL
- MEL
1 stop21h 52m
United Airlines
Deal found 4/28![United Airlines logo]()
$1,128
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Thu 5/149:45 am
MEL
- STL
2 stops24h 45m
American Airlines
Sun 5/242:37 pm
STL
- MEL
2 stops25h 08m
American Airlines
Deal found 4/28![American Airlines logo]()
$1,118
This Air Canada deal was found by Cheapflights users on 4/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/209:20 am
SYD
- STL
2 stops41h 46m
Multiple Airlines
Thu 5/284:48 pm
STL
- SYD
2 stops23h 32m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$1,064
This Air Canada deal was found by Cheapflights users on 4/28. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/209:20 am
SYD
- STL
2 stops26h 05m
Air Canada
Thu 5/281:05 pm
STL
- SYD
3 stops51h 15m
Air Canada
Deal found 4/28![Air Canada logo]()
$1,112
This Bravofly deal was found by Cheapflights users on 4/29. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/279:45 am
MEL
- STL
1 stop29h 11m
Qantas Airways
Wed 6/36:35 am
STL
- MEL
1 stop33h 10m
Qantas Airways
Deal found 4/29![Qantas Airways logo]()
$1,107
This Delta deal was found by Cheapflights users on 4/29. 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 5/2710:00 am
MEL
- STL
2 stops24h 03m
Delta
Wed 6/38:53 am
STL
- MEL
2 stops31h 57m
Delta
Deal found 4/29![Delta logo]()
$1,135
This American Airlines deal was found by Cheapflights users on 4/29. 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 5/289:45 am
MEL
- STL
1 stop29h 11m
American Airlines
Thu 6/46:35 am
STL
- MEL
1 stop33h 10m
American Airlines
Deal found 4/29![American Airlines logo]()
$1,112
This Mytrip deal was found by Cheapflights users on 4/27. 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.
Wed 6/109:20 am
SYD
- STL
2 stops53h 37m
Air Canada
Wed 6/178:40 am
STL
- SYD
2 stops31h 40m
Air Canada
Deal found 4/27![Air Canada logo]()
$1,070
This Booking.com deal was found by Cheapflights users on 4/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/119:20 am
SYD
- STL
2 stops41h 46m
Air Canada
Thu 6/184:48 pm
STL
- SYD
2 stops23h 32m
Air Canada
Deal found 4/27![Air Canada logo]()
$1,103
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/149:45 am
MEL
- STL
1 stop29h 11m
American Airlines
Sun 6/211:45 pm
STL
- MEL
2 stops26h 00m
American Airlines
Deal found 4/30![American Airlines logo]()
$1,130
This Ovago deal was found by Cheapflights users on 4/30. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/149:45 am
MEL
- STL
1 stop29h 11m
Qantas Airways
Sun 6/217:24 pm
STL
- MEL
1 stop42h 36m
Qantas Airways
Deal found 4/30![Qantas Airways logo]()
$1,132
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 May 2, 2026.
Search for one-way flight options from Australia to St. Louis. Find affordable one-way fares based on user searches. Data last updated May 2, 2026.
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Sat 5/309:45 am
MEL
- STL
1 stop29h 11m
American Airlines
Deal found 4/29![American Airlines logo]()
$698
This TravelUp deal was found by Cheapflights users on 4/29. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2810:55 am
MEL
- STL
2 stops43h 51m
Lufthansa
Deal found 4/29![Lufthansa logo]()
$713
This Air Canada deal was found by Cheapflights users on 4/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/149:20 am
SYD
- STL
2 stops50h 05m
Air Canada
Deal found 4/29![Air Canada logo]()
$788
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Sun 6/149:10 am
SYD
- STL
1 stop29h 46m
Qantas Airways
Deal found 4/29![Qantas Airways logo]()
$826
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/281:30 pm
MEL
- STL
3 stops42h 07m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$960
This Kiwi.com deal was found by Cheapflights users on 5/2. 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.
Tue 6/1611:55 pm
MEL
- STL
3 stops33h 23m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$1,018
This oojo deal was found by Cheapflights users on 5/1. 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.
Mon 8/3111:55 am
SYD
- STL
2 stops37h 14m
Air New Zealand
Deal found 5/1![Air New Zealand logo]()
$1,020
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Sat 5/308:15 pm
MEL
- STL
3 stops59h 22m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$1,087
This oojo deal was found by Cheapflights users on 5/1. 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.
Mon 8/315:50 pm
SYD
- STL
1 stop20h 05m
Qantas Airways
Deal found 5/1![Qantas Airways logo]()
$1,130
This Qantas Airways deal was found by Cheapflights users on 5/1. 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 8/316:00 am
SYD
- STL
3 stops28h 25m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$1,150
This United Airlines deal was found by Cheapflights users on 5/2. 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 6/1610:55 am
MEL
- STL
2 stops25h 15m
United Airlines
Deal found 5/2![United Airlines logo]()
$1,225
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2610:00 am
MEL
- STL
2 stops27h 18m
Delta
Deal found 4/30![Delta logo]()
$1,286
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 May 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,064 (Air Canada) |
One-way from | $698 (American Airlines) |
Popular in | April |
Cheapest in | September |
Average price | $1,338 |
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 2,558,603 searches. Data last updated May 2, 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 - STL
MELSTL
Melbourne
Tue 5/12
9:45 am-11:59 pm
1 stop29h 14m
Lambert-St Louis
Mon 5/25
2:37 pm-6:45 am
2 stops25h 08m
$1,117
MelbourneSt. Louis
MEL - STL
MELSTL
Melbourne
Thu 5/14
10:55 am-6:22 pm
1 stop22h 27m
Lambert-St Louis
Sun 5/24
7:23 pm-8:15 am
1 stop21h 52m
$1,129
MelbourneSt. Louis
MEL - STL
MELSTL
Melbourne
Wed 5/13
10:55 am-10:30 pm
2 stops26h 35m
Lambert-St Louis
Sun 5/24
7:23 pm-8:15 am
1 stop21h 52m
$1,129
MelbourneSt. Louis
MEL - STL
MELSTL
Melbourne
Wed 5/13
9:30 am-7:51 pm
2 stops25h 21m
Lambert-St Louis
Mon 5/25
1:38 pm-7:30 am
2 stops26h 52m
$1,129
MelbourneSt. Louis
MEL - STL
MELSTL
Melbourne
Wed 5/27
10:00 am-7:03 pm
2 stops24h 03m
Lambert-St Louis
Wed 6/3
8:53 am-7:50 am
2 stops31h 57m
$1,135
SydneySt. Louis
SYD - STL
SYDSTL
Sydney Kingsford Smith
Wed 5/20
9:10 am-11:59 pm
1 stop29h 49m
Lambert-St Louis
Thu 5/28
2:36 pm-7:05 am
2 stops25h 29m
$1,249
SydneySt. Louis
SYD - STL
SYDSTL
Sydney Kingsford Smith
Wed 5/20
9:15 am-4:46 pm
2 stops22h 31m
Lambert-St Louis
Thu 5/28
9:13 am-6:50 am
2 stops30h 37m
$1,249
SydneySt. Louis
SYD - STL
SYDSTL
Sydney Kingsford Smith
Thu 6/11
5:50 pm-11:56 pm
1 stop21h 06m
Lambert-St Louis
Thu 6/18
2:32 pm-7:05 am
2 stops25h 33m
$1,256
SydneySt. Louis
SYD - STL
SYDSTL
Sydney Kingsford Smith
Wed 5/20
9:30 am-6:55 pm
2 stops24h 25m
Lambert-St Louis
Thu 5/28
7:23 pm-6:55 am
1 stop20h 32m
$1,269
MelbourneSt. Louis
MEL - STL
MELSTL
Melbourne
Wed 6/3
8:30 pm-8:09 pm
3 stops38h 39m
Lambert-St Louis
Sun 6/7
8:40 am-11:05 am
3 stops35h 25m
$1,319
Showing 1-10 of 29 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.
MEL-STL
SYD-STL
LST-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
MEL-STL
SYD-STL
LST-STL
What is the cheapest month to book a flight from Australia to St. Louis?
Currently, May is the cheapest month in which you can book a flight from Australia to St. Louis (average of $533). Flying from Australia to St. Louis in April is currently the most expensive (average of $1,128). 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 May 2, 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.
Crew
8.1
Overall
7.4
Food
6.6
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Crew
8.1
Overall
7.4
Food
6.6
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
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 locationsEdwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus
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St. Louis flight routes
Alternative routes for Australia to St. Louis
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Complete your trip
Complete your trip to St. Louis by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Australia to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Australia and St. Louis flights
Browse other Australia and St. Louis flight options. Last updated on May 2, 2026.
Popular flight searches
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Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 2, 2026.
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 2,558,603 searches. Data last updated May 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$822 | Average$1,483 | FlexibilityNo cancel fee | On-time69% |