St. Louis

$612+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — STL
Jul 8 — Jul 151
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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 July 3, 2025.

Round-trip from

$1,065
(BYOjet)

One-way from

$612
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$1,310
From South Pacific to Lambert-St Louis
One-way flight from South Pacific to Lambert-St Louis
Highest demand for flights based on searches. 9% potential increase in price ($153 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($59 potential savings vs. average RT price).
Average for round-trip flights in July 2025

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 July 3, 2025.

This BYOjet deal was found by Cheapflights users on 7/3. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/158:45 amSYD - STL
2 stops28h 36mAir New Zealand
Fri 8/228:20 amSTL - SYD
2 stops33h 25mAir New Zealand
Deal found 7/3$1,065
This BYOjet deal was found by Cheapflights users on 7/3. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/178:35 amMEL - STL
2 stops28h 40mAir New Zealand
Sun 8/245:49 pmSTL - MEL
2 stops26h 01mAir New Zealand
Deal found 7/3$1,082
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Fri 8/1512:10 pmSYD - STL
1 stop19h 39mAmerican Airlines
Fri 8/226:45 amSTL - SYD
1 stop33h 20mAmerican Airlines
Deal found 7/3$1,085
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Sun 8/173:05 pmMEL - STL
1 stop32h 57mAmerican Airlines
Sun 8/246:45 amSTL - MEL
1 stop33h 00mAmerican Airlines
Deal found 7/3$1,086
This Air Canada deal was found by Cheapflights users on 7/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/189:20 amSYD - STL
2 stops45h 01mMultiple Airlines
Sat 11/84:43 pmSTL - SYD
2 stops23h 52mMultiple Airlines
Deal found 7/3$1,106
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1810:20 amSYD - STL
1 stop21h 25mUnited Airlines
Sat 11/86:15 amSTL - SYD
1 stop31h 45mUnited Airlines
Deal found 7/1$1,134
This Expedia deal was found by Cheapflights users on 7/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/319:20 amSYD - STL
2 stops27h 30mAir Canada
Thu 8/71:30 pmSTL - SYD
2 stops26h 50mAir Canada
Deal found 7/1$1,189
This United Airlines deal was found by Cheapflights users on 6/30. 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 11/216:00 amWLG - STL
2 stops30h 03mUnited Airlines
Tue 11/256:15 amSTL - WLG
2 stops46h 50mUnited Airlines
Deal found 6/30$1,245
This Aunt Betty deal was found by Cheapflights users on 7/2. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/169:10 amSYD - STL
1 stop28h 59mQantas Airways
Sat 8/236:45 amSTL - SYD
1 stop33h 20mQantas Airways
Deal found 7/2$1,272
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Fri 11/217:40 amWLG - STL
2 stops29h 37mAmerican Airlines
Tue 11/257:15 amSTL - WLG
2 stops38h 50mAmerican Airlines
Deal found 7/2$1,279
This Booking.com deal was found by Cheapflights users on 7/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/176:00 amMEL - STL
3 stops28h 45mAir Canada
Sun 8/249:15 amSTL - MEL
3 stops34h 50mAir Canada
Deal found 7/3$1,350
This Delta deal was found by Cheapflights users on 7/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/309:25 amSYD - STL
2 stops29h 28mDelta
Wed 8/61:29 pmSTL - SYD
2 stops26h 06mDelta
Deal found 7/2$1,408

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 July 3, 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

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Fri 8/15

8:45 am-10:21 pm

2 stops28h 36m

Lambert-St Louis

Fri 8/22

8:20 am-8:45 am

2 stops33h 25m

$1,065

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Sun 8/17

8:35 am-10:15 pm

2 stops28h 40m

Lambert-St Louis

Sun 8/24

5:49 pm-10:50 am

2 stops26h 01m

$1,082

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Fri 8/15

12:10 pm-4:49 pm

1 stop19h 39m

Lambert-St Louis

Fri 8/22

6:45 am-7:05 am

1 stop33h 20m

$1,085

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Sun 8/17

3:05 pm-9:02 am

1 stop32h 57m

Lambert-St Louis

Sun 8/24

6:45 am-6:45 am

1 stop33h 00m

$1,086

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 8/18

9:20 am-3:21 pm

2 stops45h 01m

Lambert-St Louis

Sat 11/8

4:43 pm-9:35 am

2 stops23h 52m

$1,106

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 8/18

10:20 am-4:45 pm

1 stop21h 25m

Lambert-St Louis

Sat 11/8

6:15 am-7:00 am

1 stop31h 45m

$1,134

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Thu 7/31

9:20 am-9:50 pm

2 stops27h 30m

Lambert-St Louis

Thu 8/7

1:30 pm-7:20 am

2 stops26h 50m

$1,189

WellingtonSt. Louis

WLG - STL

WLGSTL

Wellington

Fri 11/21

6:00 am-5:03 pm

2 stops30h 03m

Lambert-St Louis

Tue 11/25

6:15 am-12:05 am

2 stops46h 50m

$1,245

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Sat 8/16

9:10 am-11:09 pm

1 stop28h 59m

Lambert-St Louis

Sat 8/23

6:45 am-7:05 am

1 stop33h 20m

$1,272

WellingtonSt. Louis

WLG - STL

WLGSTL

Wellington

Fri 11/21

7:40 am-6:17 pm

2 stops29h 37m

Lambert-St Louis

Tue 11/25

7:15 am-5:05 pm

2 stops38h 50m

$1,279

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 30 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, August is the cheapest month in which you can book a flight from South Pacific to St. Louis (average of $311). Flying from South Pacific to St. Louis in March is currently the most expensive (average of $356). 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 July 3, 2025.

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

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 July 3, 2025.
Read through reviews of airlines operating flights from South Pacific to St. Louis, such as Japan Airlines, Delta, and Air New Zealand. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.2

Boarding

8.4

Entertainment

7.8

Overall

8.3

Crew

8.7

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.

Comfort

8.2

Boarding

8.4

Entertainment

7.8

Overall

8.3

Crew

8.7

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
8.0
Very good

Comfort

8.2

Boarding

8.4

Entertainment

7.8

Overall

8.3

Crew

8.7

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.

Comfort

8.2

Boarding

8.4

Entertainment

7.8

Overall

8.3

Crew

8.7

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.

Comfort

8.2

Boarding

8.4

Entertainment

7.8

Overall

8.3

Crew

8.7

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.

Comfort

8.2

Boarding

8.4

Entertainment

7.8

Overall

8.3

Crew

8.7

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.

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.

  • 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 $701 on American Airlines. Other airlines that offer cheap prices include Air Canada from $768 and Qantas Airways from $832 one-way.

  • What are the most popular routes from South Pacific to 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, August is the cheapest month in which you can book a flight from South Pacific to St. Louis (average of $311). Flying from South Pacific to St. Louis in March is currently the most expensive (average of $356). 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 South Pacific?

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

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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.

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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,101Average$1,192FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$1,300Average$1,431FlexibilityNo cancel feeOn-time69%

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