$586+ Cheap flights from St. Louis (STL) to New South Wales
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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SYD
Oct 14 — Oct 211
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to New South Wales 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 St. Louis to New South Wales
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to New South WalesExplore the most affordable flight options available from St. Louis to New South Wales. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2026.
Explore the most affordable flight options available from St. Louis to New South Wales. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2026.
This FlightHub deal was found by Cheapflights users on 9/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/911:00 am -
2 stops28h 35m
Tue 11/247:25 pm -
2 stops43h 50m
Deal found 9/13![Air New Zealand logo]()
$1,305
This CheapOair deal was found by Cheapflights users on 9/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/258:00 am -
2 stops32h 35m
Sun 11/111:50 am -
2 stops27h 25m
Deal found 9/9![Air New Zealand logo]()
$1,327
This United Airlines deal was found by Cheapflights users on 9/12. 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 10/285:55 pm -
1 stop21h 05m
Wed 11/49:15 am -
1 stop24h 35m
Deal found 9/12![United Airlines logo]()
$1,330
This Air New Zealand deal was found by Cheapflights users on 9/11. 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.
Mon 11/92:55 pm -
2 stops24h 40m
Wed 11/1111:50 am -
3 stops28h 34m
Deal found 9/11![Multiple Airlines logo]()
$1,333
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/136:15 am -
2 stops33h 40m
Wed 11/189:15 am -
1 stop24h 35m
Deal found 9/11![United Airlines logo]()
$1,335
This Expedia deal was found by Cheapflights users on 9/13. 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.
Mon 11/99:40 am -
3 stops30h 55m
Tue 11/2411:20 am -
3 stops41h 50m
Deal found 9/13![Air Canada logo]()
$1,367
This Air Canada deal was found by Cheapflights users on 9/10. 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.
Sat 11/72:55 pm -
2 stops25h 40m
Sat 11/2111:20 am -
2 stops45h 06m
Deal found 9/10![Multiple Airlines logo]()
$1,372
This BusinessClass deal was found by Cheapflights users on 9/11. 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.
Mon 11/92:55 pm -
2 stops24h 40m
Wed 11/117:25 pm -
2 stops43h 50m
Deal found 9/11![Air New Zealand logo]()
$1,374
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/253:15 pm -
2 stops24h 50m
Sun 11/19:15 am -
1 stop21h 58m
Deal found 9/9![United Airlines logo]()
$1,381
Best flights from St. Louis to New South WalesDiscover carefully curated flight deals from St. Louis to New South Wales that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 14, 2026.
Discover carefully curated flight deals from St. Louis to New South Wales that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 14, 2026.
This United Airlines deal was found by Cheapflights users on 9/12. 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 10/284:39 pm -
2 stops23h 26m
Wed 11/411:20 am -
2 stops23h 45m
Deal found 9/12![United Airlines logo]()
$1,330
This Expedia deal was found by Cheapflights users on 9/13. 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.
Mon 11/96:00 am -
3 stops34h 35m
Tue 11/2411:20 am -
2 stops45h 06m
Deal found 9/13![Air Canada logo]()
$1,380
This Air New Zealand deal was found by Cheapflights users on 9/11. 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 1/89:13 am -
3 stops30h 22m
Sat 1/309:55 am -
3 stops30h 29m
Deal found 9/11![Multiple Airlines logo]()
$1,493
This Qantas Airways deal was found by Cheapflights users on 9/13. 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.
Sun 11/82:54 pm -
1 stop23h 01m
Wed 11/119:55 am -
2 stops27h 47m
Deal found 9/13![Qantas Airways logo]()
$1,675
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/253:15 pm -
2 stops24h 50m
Sun 11/19:15 am -
1 stop21h 58m
Deal found 9/9![United Airlines logo]()
$1,381
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/131:29 pm -
2 stops26h 26m
Fri 11/1311:50 am -
2 stops23h 48m
Deal found 9/9![United Airlines logo]()
$1,385
This Air New Zealand deal was found by Cheapflights users on 9/14. 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 10/296:00 am -
3 stops34h 35m
Thu 11/52:05 pm -
3 stops26h 19m
Deal found 9/14![Multiple Airlines logo]()
$1,698
This United Airlines deal was found by Cheapflights users on 9/13. 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 10/119:04 am -
2 stops30h 51m
Sun 10/1810:30 am -
2 stops24h 31m
Deal found 9/13![United Airlines logo]()
$1,565
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/81:36 pm -
2 stops26h 24m
Thu 10/1511:20 am -
2 stops27h 10m
Deal found 9/10![United Airlines logo]()
$1,771
Last-minute flights from St. Louis to New South WalesDiscover last-minute flight deals from St. Louis to New South Wales. Data last updated September 14, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to New South Wales. Data last updated September 14, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/136:15 am -
2 stops33h 40m
Wed 11/189:15 am -
1 stop24h 35m
Deal found 9/11![United Airlines logo]()
$1,335
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/1311:10 am -
2 stops28h 45m
Fri 11/1311:20 am -
2 stops22h 39m
Deal found 9/11![United Airlines logo]()
$1,385
This oojo deal was found by Cheapflights users on 9/12. 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.
Tue 10/136:04 am -
1 stop34h 01m
Wed 11/1811:10 am -
1 stop26h 32m
Deal found 9/12![Qantas Airways logo]()
$1,505
This CheapOair deal was found by Cheapflights users on 9/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/258:00 am -
2 stops32h 35m
Sun 11/111:50 am -
2 stops27h 25m
Deal found 9/9![Air New Zealand logo]()
$1,327
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/253:15 pm -
2 stops24h 50m
Sun 11/19:15 am -
1 stop21h 58m
Deal found 9/9![United Airlines logo]()
$1,381
This United Airlines deal was found by Cheapflights users on 9/12. 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 10/284:39 pm -
2 stops23h 26m
Wed 11/411:20 am -
2 stops23h 45m
Deal found 9/12![United Airlines logo]()
$1,330
This Air New Zealand deal was found by Cheapflights users on 9/12. 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.
Wed 10/288:50 am -
3 stops31h 45m
Wed 11/42:05 pm -
3 stops26h 19m
Deal found 9/12![Multiple Airlines logo]()
$1,392
This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:00 am -
2 stops34h 35m
Thu 11/511:50 am -
2 stops27h 36m
Deal found 9/14![Air New Zealand logo]()
$1,426
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/2911:00 am -
1 stop28h 00m
Thu 11/511:20 am -
2 stops23h 45m
Deal found 9/14![United Airlines logo]()
$1,430
One-way flights from St. Louis to New South WalesSearch for one-way flight options from St. Louis to New South Wales. Find affordable one-way fares based on user searches. Data last updated September 14, 2026.
Search for one-way flight options from St. Louis to New South Wales. Find affordable one-way fares based on user searches. Data last updated September 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Mon 11/27:59 pm -
2 stops41h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$586
This United Airlines deal was found by Cheapflights users on 9/11. 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 11/110:53 am -
2 stops29h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![United Airlines logo]()
$708
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 9/1912:17 pm -
2 stops28h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$712
This BusinessClass deal was found by Cheapflights users on 9/12. 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.
Wed 9/3011:01 am -
2 stops33h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Cathay Pacific logo]()
$770
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 11/37:00 am -
3 stops34h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$772
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 11/11:28 pm -
3 stops51h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$805
This Delta deal was found by Cheapflights users on 9/12. 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.
Sun 9/276:00 am -
2 stops33h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Delta logo]()
$818
This Delta deal was found by Cheapflights users on 9/12. 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.
Sat 10/35:47 pm -
2 stops46h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Delta logo]()
$844
This Delta deal was found by Cheapflights users on 9/12. 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 10/212:00 pm -
2 stops27h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Delta logo]()
$878
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Mon 9/2812:17 pm -
3 stops52h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$905
Find flight deals from St. Louis to New South Wales
Keep the following information in mind while searching for St. Louis to New South Wales flight deals. Data was last updated September 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,273 (Qantas Airways) |
One-way from | $586 (Kiwi.com) |
Popular in | December |
Cheapest in | July |
Average price | $1,373 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to New South Wales 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 September 14, 2026.
Use the filters below to find and compare flights from St. Louis to New South Wales that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisSydney
STL Lambert-St Louis - SYD Sydney Kingsford Smith
STLSYD
Lambert-St Louis
Mon 11/2
7:59 pm-6:25 am
2 stops41h 26m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$586
St. LouisSydney
STL Lambert-St Louis - SYD Sydney Kingsford Smith
STLSYD
Lambert-St Louis
Tue 11/3
6:15 am-7:00 am
1 stop31h 45m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$708
St. LouisSydney
STL Lambert-St Louis - SYD Sydney Kingsford Smith
STLSYD
Lambert-St Louis
Mon 11/2
8:30 am-7:00 am
1 stop29h 30m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$708
St. LouisSydney
STL Lambert-St Louis - SYD Sydney Kingsford Smith
STLSYD
Lambert-St Louis
Sun 11/1
11:00 am-7:00 am
1 stop27h 00m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$708
St. LouisSydney
STL Lambert-St Louis - SYD Sydney Kingsford Smith
STLSYD
Lambert-St Louis
Sat 9/19
12:17 pm-9:25 am
3 stops54h 08m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$813
St. LouisSydney
STL Lambert-St Louis - SYD Sydney Kingsford Smith
STLSYD
Lambert-St Louis
Tue 9/29
7:05 am-6:50 am
2 stops32h 45m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$818
Quickest round-trip
St. LouisSydney
STL Lambert-St Louis - SYD Sydney Kingsford Smith
STLSYD
Lambert-St Louis
Mon 9/28
3:52 pm-6:50 am
2 stops23h 58m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$818
St. LouisSydney
STL Lambert-St Louis - SYD Sydney Kingsford Smith
STLSYD
Lambert-St Louis
Fri 10/2
12:00 pm-6:50 am
2 stops27h 50m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$878
St. LouisSydney
STL Lambert-St Louis - SYD Sydney Kingsford Smith
STLSYD
Lambert-St Louis
Sun 12/20
6:58 pm-6:20 am
2 stops42h 22m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$1,130
St. LouisSydney
STL Lambert-St Louis - SYD Sydney Kingsford Smith
STLSYD
Lambert-St Louis
Wed 10/28
4:39 pm-8:05 am
2 stops23h 26m
Sydney Kingsford Smith
Wed 11/4
11:20 am-6:05 pm
2 stops23h 45m
$1,330
Showing 1-10 of 18 resultsSorted by cheapest first
Best time to book a flight from St. Louis to New South Wales
Have a flexible travel schedule? Discover the best time to fly to New South Wales from St. Louis with our price prediction graph.
STL-SYD
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 St. Louis to New South Wales
STL-AUNSW
STL-SYD
What is the cheapest month to book a flight from St. Louis to New South Wales?
Currently, July is the cheapest month in which you can book a flight from St. Louis to New South Wales (average of $1,161). Flying from St. Louis to New South Wales in December is currently the most expensive (average of $1,634). 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.
How much does it cost to fly round-trip from St. Louis to New South Wales?
Airfare is below average for this route at the moment.
St. Louis to New South Wales flights typically cost between $1,372 and $1,590 in February.The cheapest round-trip price found within the last 5 days was $1,273 on Qantas Airways (Feb 6-Feb 20).
Reviews of airlines servicing New South Wales
Get insights into the airlines that provide service to New South Wales. 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 New South Wales. Reviews last updated September 14, 2026.
Read through reviews of airlines operating flights from St. Louis to New South Wales, such as Qantas Airways,United Airlines, andAmerican Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.5
Entertainment
7.2
Boarding
7.7
Comfort
7.4
Crew
8.1
Food
7.0
Reviews
1 / 20
4.0
OkayRobyn,Aug 2026
LAX - SYD
Overall
7.5
Entertainment
7.2
Boarding
7.7
Comfort
7.4
Crew
8.1
Food
7.0
Reviews
1 / 20
4.0
OkayRobyn,Aug 2026
LAX - SYD
Overall
7.5
Entertainment
7.2
Boarding
7.7
Comfort
7.4
Crew
8.1
Food
7.0
Reviews
1 / 20
4.0
OkayRobyn,Aug 2026
LAX - SYD
Overall
7.5
Entertainment
7.2
Boarding
7.7
Comfort
7.4
Crew
8.1
Food
7.0
Reviews
1 / 20
4.0
OkayRobyn,Aug 2026
LAX - SYD
Related info for your journey
Find useful and relevant information for your journey from St. Louis to New South Wales. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for St. Louis to New South Wales
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Complete your trip
Complete your trip to New South Wales by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from St. Louis to New South Wales by cabin class
Find flights from St. Louis to New South Wales, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and New South Wales flights
Browse other St. Louis and New South Wales flight options. Last updated on September 14, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from St. Louis to New South Wales
Discover the top 3 airlines that operate flights from St. Louis to New South Wales. 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 September 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,094 | Average$1,372 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,144 | Average$1,381 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,233 | Average$1,549 | FlexibilityNo cancel fee | On-time71% |