$648+ Cheap flights from St. Louis (STL) to New South Wales
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 3/14. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SYD
Mar 6 — Mar 131
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
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Last-minute
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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 February 4, 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 February 4, 2026.
This oojo deal was found by Cheapflights users on 2/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/35:04 pm
STL
- SYD
2 stops28h 46m
Qantas Airways
Tue 2/105:45 pm
SYD
- STL
1 stop23h 14m
Qantas Airways
Deal found 2/2![Qantas Airways logo]()
$894
This oojo deal was found by Cheapflights users on 2/3. 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 3/96:50 pm
STL
- SYD
2 stops34h 00m
Qantas Airways
Mon 3/1611:20 am
SYD
- STL
1 stop28h 38m
Qantas Airways
Deal found 2/3![Qantas Airways logo]()
$903
This oojo deal was found by Cheapflights users on 2/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/34:13 pm
STL
- SYD
2 stops35h 37m
Qantas Airways
Tue 3/1011:20 am
SYD
- STL
1 stop28h 38m
Qantas Airways
Deal found 2/2![Qantas Airways logo]()
$906
This oojo deal was found by Cheapflights users on 2/4. 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.
Sun 2/87:04 am
STL
- SYD
1 stop32h 56m
Qantas Airways
Tue 2/107:15 pm
SYD
- STL
2 stops45h 44m
Qantas Airways
Deal found 2/4![Qantas Airways logo]()
$911
This CheapOair deal was found by Cheapflights users on 2/3. 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.
Sat 2/77:04 am
STL
- SYD
1 stop32h 56m
Qantas Airways
Mon 2/97:15 pm
SYD
- STL
2 stops37h 59m
Qantas Airways
Deal found 2/3![Qantas Airways logo]()
$950
This oojo deal was found by Cheapflights users on 2/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:50 pm
STL
- SYD
2 stops33h 00m
Qantas Airways
Thu 3/1211:20 am
SYD
- STL
1 stop28h 38m
Qantas Airways
Deal found 2/2![Qantas Airways logo]()
$1,056
This oojo deal was found by Cheapflights users on 2/1. 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.
Sat 2/146:38 am
STL
- SYD
2 stops55h 57m
Qantas Airways
Sat 2/215:45 pm
SYD
- STL
1 stop23h 14m
Qantas Airways
Deal found 2/1![Qantas Airways logo]()
$1,074
This Air Canada deal was found by Cheapflights users on 2/4. 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 5/207:30 am
STL
- SYD
2 stops32h 50m
Air Canada
Mon 5/259:20 am
SYD
- STL
2 stops41h 46m
Air Canada
Deal found 2/4![Air Canada logo]()
$1,107
This Bravofly deal was found by Cheapflights users on 2/2. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/24:13 pm
STL
- SYD
1 stop21h 42m
Qantas Airways
Mon 3/95:35 pm
SYD
- STL
2 stops22h 23m
Qantas Airways
Deal found 2/2![Qantas Airways logo]()
$1,131
This Gurufare deal was found by Cheapflights users on 2/4. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/207:30 am
STL
- SYD
1 stop32h 50m
Multiple Airlines
Mon 5/259:20 am
SYD
- STL
1 stop41h 46m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$1,136
This Air Canada deal was found by Cheapflights users on 2/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1012:10 pm
STL
- SYD
2 stops52h 10m
Air Canada
Sun 10/2510:20 am
SYD
- STL
2 stops45h 10m
Air Canada
Deal found 2/2![Air Canada logo]()
$1,191
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 February 4, 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 February 4, 2026.
This CheapOair deal was found by Cheapflights users on 2/3. 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.
Sat 2/77:04 am
STL
- SYD
1 stop32h 56m
Qantas Airways
Mon 2/97:15 pm
SYD
- STL
2 stops37h 59m
Qantas Airways
Deal found 2/3![Qantas Airways logo]()
$950
This American Airlines deal was found by Cheapflights users on 2/3. 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.
Mon 3/94:13 pm
STL
- SYD
2 stops24h 47m
American Airlines
Mon 3/1611:20 am
SYD
- STL
2 stops24h 09m
American Airlines
Deal found 2/3![American Airlines logo]()
$1,266
This United Airlines deal was found by Cheapflights users on 2/3. 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 2/144:30 pm
STL
- SYD
2 stops47h 35m
United Airlines
Wed 2/1812:10 pm
SYD
- STL
2 stops21h 48m
United Airlines
Deal found 2/3![United Airlines logo]()
$1,300
This American Airlines deal was found by Cheapflights users on 2/3. 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.
Mon 5/42:37 pm
STL
- SYD
2 stops25h 28m
American Airlines
Mon 5/185:50 pm
SYD
- STL
1 stop21h 09m
American Airlines
Deal found 2/3![American Airlines logo]()
$1,268
This FlightHub deal was found by Cheapflights users on 2/3. 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.
Sun 2/83:37 pm
STL
- SYD
1 stop22h 18m
Qantas Airways
Tue 2/105:45 pm
SYD
- STL
1 stop23h 14m
Qantas Airways
Deal found 2/3![Qantas Airways logo]()
$1,281
This United Airlines deal was found by Cheapflights users on 2/4. 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 3/144:47 pm
STL
- SYD
2 stops47h 18m
United Airlines
Mon 3/2311:50 am
SYD
- STL
2 stops25h 17m
United Airlines
Deal found 2/4![United Airlines logo]()
$1,300
This oojo deal was found by Cheapflights users on 2/4. 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.
Sat 5/26:20 am
STL
- SYD
2 stops36h 15m
Qantas Airways
Sat 5/1612:00 pm
SYD
- STL
1 stop20h 21m
Qantas Airways
Deal found 2/4![Qantas Airways logo]()
$1,303
This American Airlines deal was found by Cheapflights users on 2/4. 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 4/192:37 pm
STL
- SYD
2 stops25h 28m
American Airlines
Sat 4/259:10 am
SYD
- STL
2 stops25h 20m
American Airlines
Deal found 2/4![American Airlines logo]()
$1,315
Last-minute flights from St. Louis to New South WalesDiscover last-minute flight deals from St. Louis to New South Wales. Data last updated February 4, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to New South Wales. Data last updated February 4, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 2/3. 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.
Sat 2/77:04 am
STL
- SYD
1 stop32h 56m
Qantas Airways
Mon 2/97:15 pm
SYD
- STL
2 stops37h 59m
Qantas Airways
Deal found 2/3![Qantas Airways logo]()
$950
This oojo deal was found by Cheapflights users on 2/4. 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.
Sun 2/87:04 am
STL
- SYD
1 stop32h 56m
Qantas Airways
Tue 2/107:15 pm
SYD
- STL
2 stops45h 44m
Qantas Airways
Deal found 2/4![Qantas Airways logo]()
$911
This oojo deal was found by Cheapflights users on 2/1. 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.
Sat 2/146:38 am
STL
- SYD
2 stops55h 57m
Qantas Airways
Sat 2/215:45 pm
SYD
- STL
1 stop23h 14m
Qantas Airways
Deal found 2/1![Qantas Airways logo]()
$1,074
This Bravofly deal was found by Cheapflights users on 2/2. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/24:13 pm
STL
- SYD
1 stop21h 42m
Qantas Airways
Mon 3/95:35 pm
SYD
- STL
2 stops22h 23m
Qantas Airways
Deal found 2/2![Qantas Airways logo]()
$1,131
This oojo deal was found by Cheapflights users on 2/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/34:13 pm
STL
- SYD
2 stops35h 37m
Qantas Airways
Tue 3/1011:20 am
SYD
- STL
1 stop28h 38m
Qantas Airways
Deal found 2/2![Qantas Airways logo]()
$906
This oojo deal was found by Cheapflights users on 2/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:50 pm
STL
- SYD
2 stops33h 00m
Qantas Airways
Thu 3/1211:20 am
SYD
- STL
1 stop28h 38m
Qantas Airways
Deal found 2/2![Qantas Airways logo]()
$1,056
This oojo deal was found by Cheapflights users on 2/3. 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.
Sat 3/76:38 am
STL
- SYD
1 stop33h 22m
Qantas Airways
Sat 3/145:50 pm
SYD
- STL
2 stops37h 38m
Qantas Airways
Deal found 2/3![Qantas Airways logo]()
$1,247
This oojo deal was found by Cheapflights users on 2/3. 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 3/96:50 pm
STL
- SYD
2 stops34h 00m
Qantas Airways
Mon 3/1611:20 am
SYD
- STL
1 stop28h 38m
Qantas Airways
Deal found 2/3![Qantas Airways logo]()
$903
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 February 4, 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 February 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Sat 3/148:12 pm
STL
- SYD
3 stops48h 23m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$648
This Qantas Airways deal was found by Cheapflights users on 2/3. 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 3/26:18 pm
STL
- SYD
2 stops23h 37m
Qantas Airways
Deal found 2/3![Qantas Airways logo]()
$683
This American Airlines deal was found by Cheapflights users on 2/4. 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.
Mon 3/211:46 am
STL
- SYD
1 stop26h 09m
American Airlines
Deal found 2/4![American Airlines logo]()
$747
This American Airlines deal was found by Cheapflights users on 2/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/1411:46 am
STL
- SYD
1 stop27h 09m
American Airlines
Deal found 2/2![American Airlines logo]()
$797
This Turkish Airlines deal was found by Cheapflights users on 2/4. 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.
Mon 3/27:41 am
STL
- SYD
3 stops42h 39m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$928
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 February 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $903 (oojo) |
One-way from | $648 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $1,511 |
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 2,558,603 searches. Data last updated February 4, 2026.
Use the filters below to find and compare flights from St. Louis to New South Wales that are best for you.
Fly from
St. Louis
Fly to
New South Wales
Route
Depart
Return
Price
St. LouisSydney
STL - SYD
STLSYD
Lambert-St Louis
Sat 2/7
7:04 am-9:00 am
1 stop32h 56m
Sydney Kingsford Smith
Mon 2/9
7:15 pm-4:14 pm
2 stops37h 59m
$950
St. LouisSydney
STL - SYD
STLSYD
Lambert-St Louis
Mon 3/9
4:13 pm-9:00 am
2 stops24h 47m
Sydney Kingsford Smith
Mon 3/16
11:20 am-7:29 pm
2 stops24h 09m
$1,266
St. LouisSydney
STL - SYD
STLSYD
Lambert-St Louis
Mon 5/4
2:37 pm-7:05 am
2 stops25h 28m
Sydney Kingsford Smith
Mon 5/18
5:50 pm-11:59 pm
1 stop21h 09m
$1,268
St. LouisSydney
STL - SYD
STLSYD
Lambert-St Louis
Sun 2/8
3:37 pm-6:55 am
1 stop22h 18m
Sydney Kingsford Smith
Tue 2/10
5:45 pm-11:59 pm
1 stop23h 14m
$1,281
St. LouisSydney
STL - SYD
STLSYD
Lambert-St Louis
Sat 2/14
4:30 pm-9:05 am
2 stops47h 35m
Sydney Kingsford Smith
Wed 2/18
12:10 pm-4:58 pm
2 stops21h 48m
$1,300
St. LouisSydney
STL - SYD
STLSYD
Lambert-St Louis
Sat 3/14
4:47 pm-8:05 am
2 stops47h 18m
Sydney Kingsford Smith
Mon 3/23
11:50 am-9:07 pm
2 stops25h 17m
$1,300
St. LouisSydney
STL - SYD
STLSYD
Lambert-St Louis
Sat 5/2
6:20 am-9:35 am
2 stops36h 15m
Sydney Kingsford Smith
Sat 5/16
12:00 pm-5:21 pm
1 stop20h 21m
$1,303
St. LouisSydney
STL - SYD
STLSYD
Lambert-St Louis
Sun 4/19
2:37 pm-7:05 am
2 stops25h 28m
Sydney Kingsford Smith
Sat 4/25
9:10 am-7:30 pm
2 stops25h 20m
$1,315
St. LouisSydney
STL - SYD
STLSYD
Lambert-St Louis
Sat 3/14
8:12 pm-12:35 pm
3 stops48h 23m
$648
St. LouisSydney
STL - SYD
STLSYD
Lambert-St Louis
Mon 3/2
6:18 pm-10:55 am
2 stops23h 37m
$683
Showing 1-10 of 13 results
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, August is the cheapest month in which you can book a flight from St. Louis to New South Wales (average of $671). Flying from St. Louis to New South Wales in June is currently the most expensive (average of $1,257). 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?
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 February 4, 2026.
Read through reviews of airlines operating flights from St. Louis to New South Wales, such as Fiji Airways, Qantas Airways, and United Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Comfort
8.0
Entertainment
7.5
Food
7.4
Boarding
8.1
Overall
8.0
Reviews
1 / 17
10.0
ExcellentAnonymous,Oct 2025
CNS - NAN
Crew
8.5
Comfort
8.0
Entertainment
7.5
Food
7.4
Boarding
8.1
Overall
8.0
Reviews
1 / 17
10.0
ExcellentAnonymous,Oct 2025
CNS - NAN
Crew
8.5
Comfort
8.0
Entertainment
7.5
Food
7.4
Boarding
8.1
Overall
8.0
Reviews
1 / 17
10.0
ExcellentAnonymous,Oct 2025
CNS - NAN
Crew
8.5
Comfort
8.0
Entertainment
7.5
Food
7.4
Boarding
8.1
Overall
8.0
Reviews
1 / 17
10.0
ExcellentAnonymous,Oct 2025
CNS - NAN
Crew
8.5
Comfort
8.0
Entertainment
7.5
Food
7.4
Boarding
8.1
Overall
8.0
Reviews
1 / 17
10.0
ExcellentAnonymous,Oct 2025
CNS - NAN
Crew
8.5
Comfort
8.0
Entertainment
7.5
Food
7.4
Boarding
8.1
Overall
8.0
Reviews
1 / 17
10.0
ExcellentAnonymous,Oct 2025
CNS - NAN
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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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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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 February 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from St. Louis to New South Wales
Discover the top 5 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 2,558,603 searches. Data last updated February 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$608 | Average$1,250 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$1,132 | Average$1,222 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,207 | Average$1,447 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,211 | Average$1,512 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,233 | Average$1,495 | FlexibilityNo cancel fee | On-time71% |