$630+ 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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SYD
Dec 11 — Dec 181
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
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 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 November 11, 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 November 11, 2026.
This Qantas Airways deal was found by Cheapflights users on 11/9. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/12:48 pm -
1 stop23h 07m
Tue 12/82:05 pm -
1 stop25h 15m
Deal found 11/9![Multiple Airlines logo]()
$1,404
This American Airlines deal was found by Cheapflights users on 11/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:00 am -
1 stop31h 25m
Wed 12/911:10 am -
1 stop26h 30m
Deal found 11/9![American Airlines logo]()
$1,459
This United Airlines deal was found by Cheapflights users on 11/9. 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 12/11:18 pm -
3 stops26h 47m
Wed 12/911:50 am -
2 stops22h 03m
Deal found 11/9![United Airlines logo]()
$1,472
This United Airlines deal was found by Cheapflights users on 11/9. 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 12/13:00 pm -
1 stop23h 00m
Mon 12/149:15 am -
1 stop41h 30m
Deal found 11/9![United Airlines logo]()
$1,475
This American Airlines deal was found by Cheapflights users on 11/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:10 am -
1 stop29h 15m
Thu 12/102:05 pm -
1 stop26h 29m
Deal found 11/9![American Airlines logo]()
$1,559
This BusinessClass deal was found by Cheapflights users on 11/11. 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.
Wed 11/257:05 pm -
2 stops30h 10m
Mon 11/305:20 pm -
2 stops41h 51m
Deal found 11/11![Air New Zealand logo]()
$1,617
This BusinessClass deal was found by Cheapflights users on 11/9. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/28:17 am -
2 stops33h 18m
Sat 12/127:30 am -
2 stops27h 41m
Deal found 11/9![Air New Zealand logo]()
$1,630
This BusinessClass deal was found by Cheapflights users on 11/11. 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.
Thu 11/268:00 am -
2 stops31h 35m
Mon 11/305:20 pm -
2 stops41h 51m
Deal found 11/11![Air New Zealand logo]()
$1,641
This United Airlines deal was found by Cheapflights users on 11/9. 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.
Thu 12/1010:45 am -
1 stop27h 15m
Sun 12/2011:50 am -
2 stops26h 32m
Deal found 11/9![United Airlines logo]()
$1,652
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 November 11, 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 November 11, 2026.
This Qantas Airways deal was found by Cheapflights users on 11/8. 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.
Sat 2/136:54 pm -
2 stops23h 11m
Mon 3/12:05 pm -
1 stop21h 04m
Deal found 11/8![Qantas Airways logo]()
$1,278
This Qantas Airways deal was found by Cheapflights users on 11/11. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/812:08 pm -
1 stop25h 47m
Sat 3/206:05 am -
2 stops23h 36m
Deal found 11/11![Multiple Airlines logo]()
$1,288
This United Airlines deal was found by Cheapflights users on 11/8. 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 2/131:08 pm -
3 stops26h 57m
Mon 3/19:15 am -
2 stops22h 30m
Deal found 11/8![United Airlines logo]()
$1,602
This Delta deal was found by Cheapflights users on 11/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/259:45 am -
2 stops29h 45m
Sat 11/2810:40 am -
2 stops22h 51m
Deal found 11/11![Delta logo]()
$1,757
This Air New Zealand deal was found by Cheapflights users on 11/8. 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.
Sat 2/138:53 am -
3 stops30h 42m
Mon 3/111:50 am -
3 stops28h 32m
Deal found 11/8![Multiple Airlines logo]()
$1,437
This Qantas Airways deal was found by Cheapflights users on 11/11. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/146:00 pm -
2 stops24h 05m
Mon 2/12:05 pm -
1 stop20h 04m
Deal found 11/11![Qantas Airways logo]()
$1,503
This Air New Zealand deal was found by Cheapflights users on 11/10. 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 New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/53:07 pm -
2 stops26h 28m
Sat 2/2011:50 am -
3 stops26h 33m
Deal found 11/10![Multiple Airlines logo]()
$1,474
This Air New Zealand deal was found by Cheapflights users on 11/7. 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 1/298:52 am -
3 stops32h 43m
Sat 5/1511:55 am -
2 stops25h 11m
Deal found 11/7![Multiple Airlines logo]()
$1,477
This Qantas Airways deal was found by Cheapflights users on 11/6. 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 1/146:00 pm -
2 stops24h 05m
Mon 2/12:05 pm -
1 stop20h 04m
Deal found 11/6![Multiple Airlines logo]()
$1,530
This Qantas Airways deal was found by Cheapflights users on 11/6. 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.
Sat 2/136:54 pm -
2 stops23h 11m
Sat 2/279:55 am -
3 stops26h 41m
Deal found 11/6![Multiple Airlines logo]()
$1,570
Last-minute flights from St. Louis to New South WalesDiscover last-minute flight deals from St. Louis to New South Wales. Data last updated November 11, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to New South Wales. Data last updated November 11, 2026 and is based on user searches.
This BusinessClass deal was found by Cheapflights users on 11/11. 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.
Wed 11/257:05 pm -
2 stops30h 10m
Mon 11/305:20 pm -
2 stops41h 51m
Deal found 11/11![Air New Zealand logo]()
$1,617
This BusinessClass deal was found by Cheapflights users on 11/11. 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.
Thu 11/268:00 am -
2 stops31h 35m
Mon 11/305:20 pm -
2 stops41h 51m
Deal found 11/11![Air New Zealand logo]()
$1,641
This Qantas Airways deal was found by Cheapflights users on 11/9. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/12:48 pm -
1 stop23h 07m
Tue 12/82:05 pm -
1 stop25h 15m
Deal found 11/9![Multiple Airlines logo]()
$1,404
This American Airlines deal was found by Cheapflights users on 11/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:00 am -
1 stop31h 25m
Wed 12/911:10 am -
1 stop26h 30m
Deal found 11/9![American Airlines logo]()
$1,459
This United Airlines deal was found by Cheapflights users on 11/9. 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 12/11:18 pm -
3 stops26h 47m
Tue 12/811:50 am -
2 stops23h 26m
Deal found 11/9![United Airlines logo]()
$1,472
This United Airlines deal was found by Cheapflights users on 11/9. 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 12/13:00 pm -
1 stop23h 00m
Mon 12/149:15 am -
1 stop41h 30m
Deal found 11/9![United Airlines logo]()
$1,475
This BusinessClass deal was found by Cheapflights users on 11/9. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/28:17 am -
2 stops33h 18m
Sat 12/127:30 am -
2 stops27h 41m
Deal found 11/9![Air New Zealand logo]()
$1,630
This American Airlines deal was found by Cheapflights users on 11/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:10 am -
1 stop29h 15m
Thu 12/102:05 pm -
1 stop26h 29m
Deal found 11/9![American Airlines logo]()
$1,559
This United Airlines deal was found by Cheapflights users on 11/9. 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.
Thu 12/1010:45 am -
1 stop27h 15m
Sun 12/2011:50 am -
2 stops26h 32m
Deal found 11/9![United Airlines logo]()
$1,652
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 November 11, 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 November 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 2/87:02 pm -
2 stops42h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Multiple Airlines logo]()
$630
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 2/67:02 pm -
2 stops42h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Multiple Airlines logo]()
$699
This Expedia deal was found by Cheapflights users on 11/6. 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.
Tue 2/92:55 pm -
1 stop23h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Qantas Airways logo]()
$744
This oojo deal was found by Cheapflights users on 11/8. 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 12/286:57 pm -
1 stop42h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Qantas Airways logo]()
$779
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 2/65:00 pm -
1 stop20h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Qantas Airways logo]()
$782
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 2/75:59 pm -
3 stops54h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Multiple Airlines logo]()
$786
This Qantas Airways deal was found by Cheapflights users on 11/8. 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.
Fri 11/276:55 pm -
2 stops23h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Qantas Airways logo]()
$792
This Qantas Airways deal was found by Cheapflights users on 11/6. 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 2/73:45 pm -
1 stop22h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Qantas Airways logo]()
$794
This United Airlines deal was found by Cheapflights users on 11/8. 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 11/272:55 pm -
1 stop23h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![United Airlines logo]()
$796
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 November 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,236 (Qantas Airways) |
One-way from | $630 (Kiwi.com) |
Popular in | December |
Cheapest in | March |
Average price | $1,470 |
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 November 11, 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
Wed 2/10
7:02 pm-6:25 am
2 stops42h 23m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$645
St. LouisSydney
STL Lambert-St Louis - SYD Sydney Kingsford Smith
STLSYD
Lambert-St Louis
Sat 2/6
7:02 pm-6:25 am
2 stops42h 23m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$699
St. LouisSydney
STL Lambert-St Louis - SYD Sydney Kingsford Smith
STLSYD
Lambert-St Louis
Tue 2/9
2:55 pm-6:55 am
1 stop23h 00m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$744
St. LouisSydney
STL Lambert-St Louis - SYD Sydney Kingsford Smith
STLSYD
Lambert-St Louis
Fri 11/27
6:55 pm-11:05 am
2 stops23h 10m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$792
Quickest round-trip
St. LouisSydney
STL Lambert-St Louis - SYD Sydney Kingsford Smith
STLSYD
Lambert-St Louis
Sun 2/7
3:45 pm-6:55 am
1 stop22h 10m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$794
St. LouisSydney
STL Lambert-St Louis - SYD Sydney Kingsford Smith
STLSYD
Lambert-St Louis
Fri 11/27
2:55 pm-7:00 am
1 stop23h 05m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$796
St. LouisSydney
STL Lambert-St Louis - SYD Sydney Kingsford Smith
STLSYD
Lambert-St Louis
Tue 2/9
11:22 am-6:25 am
3 stops26h 03m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$807
St. LouisSydney
STL Lambert-St Louis - SYD Sydney Kingsford Smith
STLSYD
Lambert-St Louis
Fri 2/12
6:00 am-9:00 am
1 stop34h 00m
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
Thu 12/31
6:01 am-9:00 am
1 stop33h 59m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$846
St. LouisSydney
STL Lambert-St Louis - SYD Sydney Kingsford Smith
STLSYD
Lambert-St Louis
Sat 2/13
6:54 pm-11:05 am
2 stops23h 11m
Sydney Kingsford Smith
Mon 3/1
2:05 pm-6:09 pm
1 stop21h 04m
$1,278
Showing 1-10 of 19 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, March is the cheapest month in which you can book a flight from St. Louis to New South Wales (average of $1,219). Flying from St. Louis to New South Wales in December is currently the most expensive (average of $1,868). 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 $1,374 and $1,867 in May.The cheapest round-trip price found within the last 5 days was $1,236 on Multiple Airlines (May 9-May 23).
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 November 11, 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.
Crew
8.1
Entertainment
7.2
Comfort
7.5
Food
7.0
Overall
7.5
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentJodie,Oct 2026
SYD - GFF
Crew
8.1
Entertainment
7.2
Comfort
7.5
Food
7.0
Overall
7.5
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentJodie,Oct 2026
SYD - GFF
Crew
8.1
Entertainment
7.2
Comfort
7.5
Food
7.0
Overall
7.5
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentJodie,Oct 2026
SYD - GFF
Crew
8.1
Entertainment
7.2
Comfort
7.5
Food
7.0
Overall
7.5
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentJodie,Oct 2026
SYD - GFF
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 November 11, 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 November 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,039 | Average$1,372 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,161 | Average$1,407 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,233 | Average$1,605 | FlexibilityNo cancel fee | On-time71% |