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St. Louis

$581+ Cheap flights from South Pacific to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — STL
nov 26 — dez 31
qua 11/26
qua 12/3
1 adult, Economy
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Find flight deals from South Pacific to St. Louis

Cheapest flights from South Pacific to St. Louis
Explore the most affordable flight options available from South Pacific to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on outubro 27, 2025.

This American Airlines deal was found by Cheapflights users on 10/25. 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.
qua 12/248:10 pmSYD - STL
2 stops40h 29mAmerican Airlines
dom 1/117:15 amSTL - SYD
2 stops32h 45mAmerican Airlines
Deal found 10/25$1,150
This Delta deal was found by Cheapflights users on 10/25. 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.
qui 12/252:15 pmSYD - STL
2 stops26h 23mDelta
dom 1/117:10 amSTL - SYD
2 stops30h 40mDelta
Deal found 10/25$1,160
This Delta deal was found by Cheapflights users on 10/25. 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.
qui 12/252:15 pmSYD - STL
2 stops26h 23mDelta
qui 1/1512:00 pmSTL - SYD
2 stops51h 30mDelta
Deal found 10/25$1,209
This United Airlines deal was found by Cheapflights users on 10/25. 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.
qua 12/2411:50 amSYD - STL
1 stop21h 56mUnited Airlines
qua 1/149:57 amSTL - SYD
2 stops27h 23mUnited Airlines
Deal found 10/25$1,263
This United Airlines deal was found by Cheapflights users on 10/25. 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.
qua 12/2411:50 amSYD - STL
1 stop21h 56mUnited Airlines
sex 1/92:45 pmSTL - SYD
2 stops46h 35mUnited Airlines
Deal found 10/25$1,312
This oojo deal was found by Cheapflights users on 10/24. 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.
ter 12/96:30 amSYD - STL
2 stops34h 27mQantas Airways
ter 12/166:55 amSTL - SYD
2 stops38h 30mQantas Airways
Deal found 10/24$1,399
This Air New Zealand deal was found by Cheapflights users on 10/25. 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.
sex 11/141:45 pmWLG - STL
2 stops24h 02mAir New Zealand
ter 11/185:29 pmSTL - WLG
2 stops24h 11mAir New Zealand
Deal found 10/25$1,434
This Delta deal was found by Cheapflights users on 10/26. 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.
qua 12/1010:10 amMEL - STL
2 stops30h 19mDelta
qua 12/176:00 amSTL - MEL
2 stops33h 00mDelta
Deal found 10/26$1,455
This oojo deal was found by Cheapflights users on 10/26. 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.
qui 12/1111:20 amSYD - STL
1 stop29h 37mQantas Airways
qui 12/186:20 amSTL - SYD
2 stops37h 35mQantas Airways
Deal found 10/26$1,510
This American Airlines deal was found by Cheapflights users on 10/25. 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.
qui 12/2511:20 amSYD - STL
2 stops42h 54mAmerican Airlines
dom 1/119:25 amSTL - SYD
2 stops30h 35mAmerican Airlines
Deal found 10/25$1,535
This American Airlines deal was found by Cheapflights users on 10/25. 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.
qua 12/248:10 pmSYD - STL
2 stops40h 29mAmerican Airlines
qua 1/143:20 pmSTL - SYD
2 stops24h 40mAmerican Airlines
Deal found 10/25$1,542
This American Airlines deal was found by Cheapflights users on 10/24. 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.
ter 12/95:45 pmSYD - STL
1 stop23h 12mAmerican Airlines
ter 12/161:20 pmSTL - SYD
2 stops26h 40mAmerican Airlines
Deal found 10/24$1,546

Cheap flight deals from South Pacific to St. Louis

Keep the following information in mind while searching for South Pacific to St. Louis flight deals. Data was last updated outubro 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,114
(Delta)

One-way from

$581
(American Airlines)

Popular in

December

Cheapest in

November

Average price

$1,254
Provider with most accurate pricing for Sydney Kingsford Smith-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Lambert-St Louis flights.
Search Deals
From South Pacific to Lambert-St Louis
Search Deals
One-way flight from South Pacific to Lambert-St Louis
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from South Pacific to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated outubro 27, 2025.
Use the filters below to find and compare flights from South Pacific to St. Louis that are best for you.

Fly from

South Pacific

Fly to

St. Louis

Route

Depart

Return

Price

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

sex 3/6

10:10 am-6:04 pm

2 stops24h 54m

Lambert-St Louis

ter 3/10

5:30 pm-7:00 am

2 stops45h 30m

$1,114

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

qui 3/12

10:25 am-3:29 pm

2 stops45h 04m

Lambert-St Louis

seg 3/16

4:05 pm-8:35 am

2 stops48h 30m

$1,154

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

qui 12/25

11:50 am-4:46 pm

1 stop21h 56m

Lambert-St Louis

sáb 1/10

4:15 pm-6:20 am

2 stops45h 05m

$1,160

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

qui 12/25

2:15 pm-11:38 pm

2 stops26h 23m

Lambert-St Louis

qua 1/14

6:00 am-8:30 am

2 stops33h 30m

$1,160

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

qua 12/24

2:00 pm-10:22 pm

2 stops25h 22m

Lambert-St Louis

dom 1/11

6:45 am-6:20 am

1 stop30h 35m

$1,160

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

qui 12/25

2:15 pm-11:38 pm

2 stops26h 23m

Lambert-St Louis

ter 1/13

6:00 am-6:50 am

2 stops31h 50m

$1,160

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

qua 12/24

11:50 am-9:49 am

1 stop38h 59m

Lambert-St Louis

sáb 1/10

4:15 pm-6:20 am

2 stops45h 05m

$1,160

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

qui 12/25

2:15 pm-11:38 pm

2 stops26h 23m

Lambert-St Louis

dom 1/11

7:10 am-6:50 am

2 stops30h 40m

$1,160

ChristchurchSt. Louis

CHC - STL

CHCSTL

Christchurch

sex 2/13

6:05 am-11:08 pm

2 stops36h 03m

Lambert-St Louis

ter 2/17

5:27 am-11:55 pm

2 stops47h 28m

$1,216

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

qua 12/24

2:00 pm-9:43 pm

2 stops24h 43m

Lambert-St Louis

qua 1/14

11:20 am-6:20 am

2 stops26h 00m

$1,263

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Showing 1-10 of 38 results
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Best time to book a flight from South Pacific to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from South Pacific 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.

Cheapflights Insights

Everything you need to know about your flight from South Pacific to St. Louis

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

Currently, December is the cheapest month in which you can book a flight from South Pacific to St. Louis (average of $736). Flying from South Pacific to St. Louis in April is currently the most expensive (average of $1,102). 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 SP to STL?

Find hourly flight availability from South Pacific to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated outubro 27, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 26% on flights from South Pacific to St. Louis by exploring options for tickets in the evening.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated outubro 27, 2025.
Read through reviews of airlines operating flights from South Pacific to St. Louis, such as Qantas Airways and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
923 reviews

Entertainment

7.2

Boarding

7.7

Comfort

7.5

Food

7.0

Overall

7.5

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Amanda,Oct 2025

SYD - TMW

1 hour flight, on time, pleasant flight, easy boarding, nice staff.
Qantas Airways
7.5
Good
923 reviews
Qantas Airways
7.5
Good
923 reviews

Entertainment

7.2

Boarding

7.7

Comfort

7.5

Food

7.0

Overall

7.5

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Amanda,Oct 2025

SYD - TMW

1 hour flight, on time, pleasant flight, easy boarding, nice staff.
United Airlines
7.4
Good
8,999 reviews
Qantas Airways
7.5
Good
923 reviews

Entertainment

7.2

Boarding

7.7

Comfort

7.5

Food

7.0

Overall

7.5

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Amanda,Oct 2025

SYD - TMW

1 hour flight, on time, pleasant flight, easy boarding, nice staff.

Related info for your journey

Find useful and relevant information for your journey from South Pacific to St. Louis. 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 into for flights to St. Louis from South Pacific?

    If you book a flight to St. Louis from South Pacific, you will be flying to Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis.

  • How long is the flight from South Pacific to St. Louis?

    Departing from South Pacific to St. Louis will take you 21h 56m. The distance between South Pacific and St. Louis is about 9054 mi. This flight may include one or multiple stops.

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

    One-way options have recently been found by users for as low as $581 on American Airlines. Other airlines that offer cheap prices include Alaska Airlines from $711 and United Airlines from $760 one-way.

  • What are the most popular routes from South Pacific to St. Louis?

    The most popular flight routes from South Pacific to St. Louis are Melbourne - Lambert-St Louis, Devonport - Lambert-St Louis and Launceston - Lambert-St Louis.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from South Pacific to St. Louis 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 South Pacific to St. Louis?

    Currently, December is the cheapest month in which you can book a flight from South Pacific to St. Louis (average of $736). Flying from South Pacific to St. Louis in April is currently the most expensive (average of $1,102). 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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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Alternative routes for South Pacific to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from South Pacific to St. Louis

Discover the top 2 airlines that operate flights from South Pacific to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated outubro 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$822Average$1,354FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$1,110Average$1,789FlexibilityNo cancel feeOn-time74%

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