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 $843 on United Airlines. Other airlines that offer cheap prices include Qantas Airways from $1,003 and Air Canada from $1,374 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 Sydney Kingsford Smith - Lambert-St Louis, Melbourne - Lambert-St Louis and Christchurch - Lambert-St Louis.

What is the cheapest month to fly from South Pacific to St. Louis?

Due to multiple factors, expect to potentially pay more when booking in August. For low rates, March can be a great choice for travel to St. Louis. Flights to St. Louis from South Pacific in March are about $1,449 on average during March, but can be found for as low as $1,056.

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.

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.

$1,649+ Flights from South Pacific to St. Louis

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Cheap flight deals from South Pacific to St. Louis

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$1,330 (United Airlines)
One-way from	$614 (Kiwi.com)
Popular in	August
Cheapest in	March
Average price	$1,431

Provider with most accurate pricing for Sydney Kingsford Smith-Lambert-St Louis flight deals.

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Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Lambert-St Louis flights.

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From South Pacific to Lambert-St Louis

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One-way flight from South Pacific to Lambert-St Louis

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($133 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($58 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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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 April 17, 2025.

Mon 8/189:30 amSYD - STL

2 stops22h 01mUnited Airlines

Sat 11/83:15 pmSTL - SYD

2 stops46h 45mUnited Airlines

Deal found 4/16

$1,330

Mon 7/219:25 amSYD - STL

2 stops29h 14mDelta

Sun 12/217:10 amSTL - SYD

2 stops32h 25mDelta

Deal found 4/16

$1,387

Sun 6/18:55 amSYD - STL

2 stops29h 09mJapan Airlines

Sun 6/86:28 amSTL - SYD

2 stops32h 52mJapan Airlines

Deal found 4/17

$1,419

Fri 10/3112:00 pmMEL - STL

1 stop21h 03mUnited Airlines

Fri 1/28:50 amSTL - MEL

1 stop32h 10mUnited Airlines

Deal found 4/16

$1,419

Sat 5/316:00 amCHC - STL

2 stops34h 04mAmerican Airlines

Sat 6/77:20 amSTL - CHC

2 stops39h 05mAmerican Airlines

Deal found 4/15

$1,444

Mon 7/219:20 amSYD - STL

2 stops44h 56mAir Canada

Sat 8/21:30 pmSTL - SYD

3 stops50h 50mAir Canada

Deal found 4/16

$1,508

Mon 7/219:10 amSYD - STL

1 stop29h 10mQantas Airways

Sun 12/215:57 pmSTL - SYD

2 stops25h 53mQantas Airways

Deal found 4/16

$1,591

Wed 5/143:05 pmMEL - STL

1 stop19h 24mAmerican Airlines

Wed 5/216:52 amSTL - MEL

1 stop32h 53mAmerican Airlines

Deal found 4/16

$1,761

Mon 8/1812:10 pmSYD - STL

2 stops23h 13mMultiple Airlines

Sat 11/81:55 pmSTL - SYD

3 stops29h 30mMultiple Airlines

Deal found 4/16

$1,784

Wed 5/146:00 amMEL - STL

3 stops28h 43mAir Canada

Wed 5/217:30 amSTL - MEL

3 stops36h 35mAir Canada

Deal found 4/16

$1,922

Thu 10/306:05 amMEL - STL

2 stops23h 57mMultiple Airlines

Fri 1/212:52 pmSTL - MEL

3 stops28h 43mMultiple Airlines

Deal found 4/16

$2,006

Sun 6/18:55 pmSYD - STL

3 stops40h 50mTurkish Airlines

Sun 6/88:10 amSTL - SYD

3 stops43h 50mTurkish Airlines

Deal found 4/17

$2,079

Best flights from South Pacific to St. Louis
Discover carefully curated flight deals from South Pacific to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 17, 2025.

Mon 8/1810:20 amSYD - STL

1 stop21h 25mUnited Airlines

Sat 11/83:15 pmSTL - SYD

2 stops46h 45mUnited Airlines

Deal found 4/16

$1,330

Mon 7/219:25 amSYD - STL

2 stops29h 14mDelta

Sun 12/217:10 amSTL - SYD

2 stops32h 25mDelta

Deal found 4/16

$1,387

Sun 6/18:55 amSYD - STL

2 stops29h 09mJapan Airlines

Sun 6/86:28 amSTL - SYD

2 stops32h 52mJapan Airlines

Deal found 4/17

$1,419

Sat 5/316:00 amCHC - STL

2 stops34h 04mAmerican Airlines

Sat 6/77:20 amSTL - CHC

2 stops39h 05mAmerican Airlines

Deal found 4/15

$1,444

Mon 7/219:20 amSYD - STL

2 stops44h 56mAir Canada

Sat 8/21:30 pmSTL - SYD

3 stops50h 50mAir Canada

Deal found 4/16

$1,508

Mon 7/219:10 amSYD - STL

1 stop29h 10mQantas Airways

Sun 12/215:57 pmSTL - SYD

2 stops25h 53mQantas Airways

Deal found 4/16

$1,591

Mon 8/1812:10 pmSYD - STL

2 stops23h 13mMultiple Airlines

Sat 11/81:55 pmSTL - SYD

3 stops29h 30mMultiple Airlines

Deal found 4/16

$1,784

Sun 6/18:55 pmSYD - STL

3 stops40h 50mTurkish Airlines

Sun 6/88:10 amSTL - SYD

3 stops43h 50mTurkish Airlines

Deal found 4/17

$2,079

Wed 5/1410:55 amMEL - STL

2 stops25h 53mUnited Airlines

Wed 5/214:45 pmSTL - MEL

2 stops24h 30mUnited Airlines

Deal found 4/16

$1,505

Wed 5/143:05 pmMEL - STL

1 stop19h 24mAmerican Airlines

Wed 5/216:52 amSTL - MEL

1 stop32h 53mAmerican Airlines

Deal found 4/16

$1,761

Wed 5/146:00 amMEL - STL

3 stops28h 43mAir Canada

Wed 5/217:30 amSTL - MEL

3 stops36h 35mAir Canada

Deal found 4/16

$1,922

Sat 5/313:05 pmCHC - STL

3 stops25h 54mMultiple Airlines

Sat 6/71:42 pmSTL - CHC

3 stops27h 43mMultiple Airlines

Deal found 4/15

$2,099

Last-minute flights from South Pacific to St. Louis
Discover last-minute flight deals from South Pacific to St. Louis. Data last updated April 17, 2025 and is based on user searches.

Mon 5/129:10 amSYD - STL

1 stop28h 54mQantas Airways

Sat 5/316:52 amSTL - SYD

1 stop33h 13mQantas Airways

Deal found 4/16

$1,751

Wed 5/1410:55 amMEL - STL

1 stop20h 57mUnited Airlines

Wed 5/219:40 amSTL - MEL

2 stops30h 50mUnited Airlines

Deal found 4/16

$1,505

Wed 5/143:05 pmMEL - STL

1 stop19h 24mAmerican Airlines

Wed 5/216:52 amSTL - MEL

1 stop32h 53mAmerican Airlines

Deal found 4/16

$1,761

Wed 5/146:00 amMEL - STL

3 stops28h 43mAir Canada

Wed 5/217:30 amSTL - MEL

3 stops36h 35mAir Canada

Deal found 4/16

$1,922

Sat 5/318:55 amSYD - STL

2 stops29h 09mJapan Airlines

Sat 6/76:28 amSTL - SYD

2 stops32h 52mJapan Airlines

Deal found 4/15

$1,427

Sat 5/316:00 amCHC - STL

2 stops34h 04mAmerican Airlines

Sat 6/77:20 amSTL - CHC

2 stops39h 05mAmerican Airlines

Deal found 4/15

$1,444

Sat 5/3110:20 amSYD - STL

1 stop22h 40mUnited Airlines

Sat 6/75:27 pmSTL - SYD

2 stops46h 33mUnited Airlines

Deal found 4/15

$1,569

Sat 5/319:10 amSYD - STL

2 stops24h 18mMultiple Airlines

Sat 6/78:43 amSTL - SYD

3 stops33h 57mMultiple Airlines

Deal found 4/15

$1,935

Sat 5/313:05 pmCHC - STL

3 stops25h 54mMultiple Airlines

Sat 6/71:42 pmSTL - CHC

3 stops27h 43mMultiple Airlines

Deal found 4/15

$2,099

Sat 5/3111:55 amMEL - STL

2 stops22h 34mMultiple Airlines

Sat 6/73:08 pmSTL - MEL

3 stops28h 27mMultiple Airlines

Deal found 4/15

$2,118

One-way flights from South Pacific to St. Louis
Search for one-way flight options from South Pacific to St. Louis. Find affordable one-way fares based on user searches. Data last updated April 17, 2025.

Mon 5/264:20 pmSYD - STL

2 stops46h 44mMultiple Airlines

Deal found 4/17

$614

Mon 7/1410:20 amSYD - STL

2 stops28h 39mUnited Airlines

Deal found 4/16

$843

Mon 5/265:45 pmSYD - STL

1 stop20h 19mQantas Airways

Deal found 4/16

$1,003

Tue 7/159:20 amSYD - STL

3 stops49h 40mAir Canada

Deal found 4/16

$1,374

Thu 7/178:55 pmSYD - STL

3 stops64h 50mTurkish Airlines

Deal found 4/16

$1,407

Sat 5/108:55 amSYD - STL

2 stops29h 09mJapan Airlines

Deal found 4/15

$3,940

Cheapflights Fare Finder

Use the filters below to find and compare flights from South Pacific to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

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

3:15 pm-7:00 am

2 stops46h 45m

$1,330

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 7/21

9:25 am-11:39 pm

2 stops29h 14m

Lambert-St Louis

Sun 12/21

7:10 am-8:35 am

2 stops32h 25m

$1,387

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Sun 6/1

8:55 am-11:04 pm

2 stops29h 09m

Lambert-St Louis

Sun 6/8

6:28 am-6:20 am

2 stops32h 52m

$1,419

ChristchurchSt. Louis

CHC - STL

CHCSTL

Christchurch

Sat 5/31

6:00 am-11:04 pm

2 stops34h 04m

Lambert-St Louis

Sat 6/7

7:20 am-3:25 pm

2 stops39h 05m

$1,444

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Wed 5/14

10:55 am-4:52 pm

1 stop20h 57m

Lambert-St Louis

Wed 5/21

9:40 am-7:30 am

2 stops30h 50m

$1,505

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 7/21

9:20 am-3:16 pm

2 stops44h 56m

Lambert-St Louis

Sat 8/2

1:30 pm-7:20 am

3 stops50h 50m

$1,508

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 7/21

9:10 am-11:20 pm

1 stop29h 10m

Lambert-St Louis

Sun 12/21

5:57 pm-12:50 pm

2 stops25h 53m

$1,591

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Wed 5/14

3:05 pm-7:29 pm

1 stop19h 24m

Lambert-St Louis

Wed 5/21

6:52 am-6:45 am

1 stop32h 53m

$1,761

SydneySt. Louis

SYD - STL

SYDSTL

Sydney Kingsford Smith

Mon 8/18

12:10 pm-8:23 pm

2 stops23h 13m

Lambert-St Louis

Sat 11/8

1:55 pm-12:25 pm

3 stops29h 30m

$1,784

MelbourneSt. Louis

MEL - STL

MELSTL

Melbourne

Wed 5/14

6:00 am-7:43 pm

3 stops28h 43m

Lambert-St Louis

Wed 5/21

7:30 am-11:05 am

3 stops36h 35m

$1,922

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 19 results

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?

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.

Rainfall in St. Louis by month

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Japan Airlines

8.3

Very good

1,440 reviews

Reviews

1 / 20

10.0

Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Japan Airlines

8.3

Very good

1,440 reviews

Japan Airlines

8.3

Very good

1,440 reviews

Reviews

1 / 20

10.0

Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Delta

8.0

Very good

7,917 reviews

Japan Airlines

8.3

Very good

1,440 reviews

Reviews

1 / 20

10.0

Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Qantas Airways

7.5

Good

819 reviews

Japan Airlines

8.3

Very good

1,440 reviews

Reviews

1 / 20

10.0

Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

United Airlines

7.4

Good

8,667 reviews

Japan Airlines

8.3

Very good

1,440 reviews

Reviews

1 / 20

10.0

Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Turkish Airlines

7.3

Good

3,769 reviews

Japan Airlines

8.3

Very good

1,440 reviews

Reviews

1 / 20

10.0

Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Related info for your journey

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 $843 on United Airlines. Other airlines that offer cheap prices include Qantas Airways from $1,003 and Air Canada from $1,374 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 Sydney Kingsford Smith - Lambert-St Louis, Melbourne - Lambert-St Louis and Christchurch - 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, 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

Fenton

Maryland Heights

Fairview Heights

Collinsville

Wentzville

Eureka

St. Peters

Festus

Glencoe

Alton

Farmington

Chesterfield

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from South Pacific to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Qantas Airways	Cheapest$1,101	Average$1,192	FlexibilityNo cancel fee	On-time74%
United Airlines	Cheapest$1,300	Average$1,481	FlexibilityNo cancel fee	On-time69%

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$614+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from South Pacific to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 April 17, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from South Pacific to St. Louis

Cheapest flights from South Pacific to St. LouisExplore 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 April 17, 2025.

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 April 17, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from South Pacific to St. Louis that are best for you.

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.

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?

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 April 17, 2025.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

Reviews of airlines servicing St. Louis

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?

What are the cheapest airlines to fly from South Pacific to St. Louis 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?

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

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

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

Traveling to a place near South Pacific?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for South Pacific to St. Louis

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Top 2 airlines flying from South Pacific to St. Louis

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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 April 17, 2025.