HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
New South Wales

$588+ 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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SYD
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to New South Wales (AUNSW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

Find flight deals from St. Louis to New South Wales

Cheapest flights from St. Louis to New South Wales
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 20, 2024.

This United Airlines deal was found by Cheapflights users on 11/19. 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 11/244:54 pmSTL - SYD
1 stop21h 06mUnited Airlines
Sun 12/811:50 amSYD - STL
1 stop21h 48mUnited Airlines
Deal found 11/19$1,707
This Air Canada deal was found by Cheapflights users on 11/19. 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.
Tue 12/33:50 pmSTL - SYD
2 stops48h 45mAir Canada
Mon 12/1611:20 amSYD - STL
2 stops44h 46mAir Canada
Deal found 11/19$1,708
This Delta deal was found by Cheapflights users on 11/19. 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.
Thu 12/126:30 amSTL - SYD
2 stops33h 05mDelta
Fri 12/2711:05 amSYD - STL
2 stops27h 30mDelta
Deal found 11/19$1,821
This oojo deal was found by Cheapflights users on 11/19. 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 12/37:00 amSTL - SYD
2 stops34h 25mAir New Zealand
Mon 12/1612:10 pmSYD - STL
1 stop22h 46mAir New Zealand
Deal found 11/19$2,036
This KAYAK deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/35:31 pmSTL - SYD
1 stop20h 04mQantas Airways
Mon 12/1611:15 amSYD - STL
1 stop29h 57mQantas Airways
Deal found 11/19$2,097
This Air New Zealand deal was found by Cheapflights users on 11/19. 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.
Tue 12/31:39 pmSTL - SYD
3 stops26h 06mMultiple Airlines
Mon 12/169:55 amSYD - STL
3 stops27h 46mMultiple Airlines
Deal found 11/19$2,200
This American Airlines deal was found by Cheapflights users on 11/19. 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 12/212:17 pmSTL - SYD
2 stops24h 08mAmerican Airlines
Sat 1/45:25 pmSYD - STL
1 stop23h 02mAmerican Airlines
Deal found 11/19$5,888
This Booking.com deal was found by Cheapflights users on 11/19. 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.
Sun 11/245:31 pmSTL - SYD
3 stops44h 24mBritish Airways
Sun 12/84:20 pmSYD - STL
3 stops41h 14mBritish Airways
Deal found 11/19$10,727

Find flights from St. Louis to New South Wales within your budget

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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Fri 3/21

3:50 pm-8:35 am

2 stops48h 45m

Sydney Kingsford Smith

Fri 4/18

9:20 am-3:06 pm

2 stops44h 46m

$1,099

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Fri 3/21

8:40 am-7:00 am

1 stop30h 20m

Sydney Kingsford Smith

Fri 4/18

10:20 am-12:27 am

1 stop29h 07m

$1,202

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Sat 2/1

4:36 pm-8:45 am

2 stops23h 09m

Sydney Kingsford Smith

Mon 6/30

10:20 am-12:27 am

1 stop29h 07m

$1,435

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Sat 2/1

4:36 pm-8:45 am

2 stops23h 09m

Sydney Kingsford Smith

Mon 6/30

11:50 am-11:18 pm

3 stops26h 28m

$1,511

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Fri 3/14

7:04 pm-9:00 am

1 stop21h 56m

Sydney Kingsford Smith

Sat 3/22

11:15 am-11:50 pm

1 stop28h 35m

$1,738

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Mon 4/21

9:41 am-6:55 am

1 stop30h 14m

Sydney Kingsford Smith

Thu 5/1

5:35 pm-10:54 pm

1 stop20h 19m

$1,773

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Thu 12/12

6:30 am-8:35 am

2 stops33h 05m

Sydney Kingsford Smith

Fri 12/27

11:05 am-9:35 pm

2 stops27h 30m

$1,821

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Sun 3/23

7:04 pm-8:50 pm

2 stops33h 46m

Sydney Kingsford Smith

Thu 4/17

7:35 am-10:54 pm

2 stops30h 19m

$3,551

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Fri 3/14

7:20 am-9:25 am

3 stops58h 05m

Sydney Kingsford Smith

Sat 3/22

11:40 am-11:38 pm

3 stops51h 58m

$3,681

St. LouisSydney

STL - SYD

STLSYD

Lambert-St Louis

Mon 3/10

1:05 pm-10:30 am

2 stops29h 25m

Sydney Kingsford Smith

Wed 3/19

9:45 pm-12:12 pm

2 stops30h 27m

$5,160

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 16 results
1
2

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.
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.

Travel insights for flights from St. Louis to New South Wales

Get recent, data-driven insights about flights from St. Louis to New South Wales including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from St. Louis to New South Wales?

Currently, February is the cheapest month in which you can book a flight from St. Louis to New South Wales (average of $1,062). Flying from St. Louis to New South Wales in December is currently the most expensive (average of $1,318). 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.

What is the cheapest time of day to fly from STL to NSW?

Find hourly flight availability from St. Louis to New South Wales. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from St. Louis to New South Wales as you normally would.

Rainfall in New South Wales by month

Plan your trip to New South Wales by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in New South Wales ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit New South Wales when rainfall is around 2.0 in.

Temperature in New South Wales by month

Plan your trip to New South Wales by taking into account the average temperature totals by month.

If weather is an important factor for your trip to New South Wales, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

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 20, 2024.
ANA
8.4
Very good
833 reviews

Crew

8.7

Comfort

8.2

Overall

8.4

Boarding

8.6

Entertainment

7.9

Food

7.7

Reviews

1 / 10

I hate the assigned seat from Japan to Chicago it was a long flight and I was assigned in the most uncomfortable area, the worst is I can't check in online makes it more worse.

ANA
8.4
Very good
833 reviews
ANA
8.4
Very good
833 reviews

Crew

8.7

Comfort

8.2

Overall

8.4

Boarding

8.6

Entertainment

7.9

Food

7.7

Reviews

1 / 10

I hate the assigned seat from Japan to Chicago it was a long flight and I was assigned in the most uncomfortable area, the worst is I can't check in online makes it more worse.

Asiana Airlines
8.3
Very good
476 reviews
ANA
8.4
Very good
833 reviews

Crew

8.7

Comfort

8.2

Overall

8.4

Boarding

8.6

Entertainment

7.9

Food

7.7

Reviews

1 / 10

I hate the assigned seat from Japan to Chicago it was a long flight and I was assigned in the most uncomfortable area, the worst is I can't check in online makes it more worse.

Air New Zealand
8.1
Very good
531 reviews
ANA
8.4
Very good
833 reviews

Crew

8.7

Comfort

8.2

Overall

8.4

Boarding

8.6

Entertainment

7.9

Food

7.7

Reviews

1 / 10

I hate the assigned seat from Japan to Chicago it was a long flight and I was assigned in the most uncomfortable area, the worst is I can't check in online makes it more worse.

Delta
8.0
Very good
8,756 reviews
ANA
8.4
Very good
833 reviews

Crew

8.7

Comfort

8.2

Overall

8.4

Boarding

8.6

Entertainment

7.9

Food

7.7

Reviews

1 / 10

I hate the assigned seat from Japan to Chicago it was a long flight and I was assigned in the most uncomfortable area, the worst is I can't check in online makes it more worse.

Qantas Airways
7.6
Good
820 reviews
ANA
8.4
Very good
833 reviews

Crew

8.7

Comfort

8.2

Overall

8.4

Boarding

8.6

Entertainment

7.9

Food

7.7

Reviews

1 / 10

I hate the assigned seat from Japan to Chicago it was a long flight and I was assigned in the most uncomfortable area, the worst is I can't check in online makes it more worse.

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.

  • What airport do you fly from for flights from St. Louis to New South Wales?

    Located just 12.7 mi from the city center, Lambert-St Louis (STL) is the airport most travelers will use when flying to New South Wales from St. Louis.

  • What are the cheapest airlines to fly from St. Louis to New South Wales one-way?

    For one-way options, check prices for Qantas Airways. According to our data, you can fly for as low as $1,101. Users have also found prices from $1,119 and $1,412 on Delta and United Airlines, respectively.

  • Can I find deals for flights from St. Louis to New South Wales that include hotel bookings?

    Yes. In addition to deals on St. Louis to New South Wales flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to New South Wales?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to New South Wales.

  • Can I find deals for business class flights from St. Louis to New South Wales?

    Yes. Cheapflights offers flight deals from St. Louis to New South Wales by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to New South Wales?

    Currently, February is the cheapest month in which you can book a flight from St. Louis to New South Wales (average of $1,062). Flying from St. Louis to New South Wales in December is currently the most expensive (average of $1,318). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 6 airlines flying from St. Louis to New South Wales

Discover the top 6 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$942Average$1,551FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$962Average$1,339FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$989Average$1,409FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,134Average$1,472FlexibilityNo cancel feeOn-time71%
Qantas AirwaysCheapest$1,236Average$1,641FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$1,401Average$1,747FlexibilityNo cancel feeOn-time78%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines