South Pacific

$545+ Cheap flights from St. Louis (STL) to South Pacific

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 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SYD
Dec 10 — Dec 171
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Cheap flight deals from St. Louis to South Pacific

Keep the following information in mind while searching for St. Louis to South Pacific flight deals. Data was last updated November 10, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$959
(Ovago)

One-way from

$545
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$1,361
Provider with most accurate pricing for Lambert-St Louis-Sydney Kingsford Smith flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Sydney Kingsford Smith flights.
From Lambert-St Louis to South Pacific
One-way flight from Lambert-St Louis to South Pacific
Highest demand for flights based on searches. 5% potential increase in price ($87 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($28 potential savings vs. average RT price).
Average for round-trip flights in November 2025

Find flight deals from St. Louis to South Pacific

Cheapest flights from St. Louis to South Pacific
Explore the most affordable flight options available from St. Louis to South Pacific. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2025.

This Ovago deal was found by Cheapflights users on 11/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/195:58 pmSTL - AKL
1 stop20h 12mQantas Airways
Wed 12/103:50 pmAKL - STL
1 stop27h 07mQantas Airways
Deal found 11/10$958
This Ovago deal was found by Cheapflights users on 11/9. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/85:30 pmSTL - AKL
1 stop20h 40mQantas Airways
Mon 12/221:20 pmAKL - STL
1 stop22h 50mQantas Airways
Deal found 11/9$959
This United Airlines deal was found by Cheapflights users on 11/9. 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.
Wed 11/124:55 pmSTL - AKL
2 stops21h 15mUnited Airlines
Wed 11/263:50 pmAKL - STL
1 stop19h 37mUnited Airlines
Deal found 11/9$960
This United Airlines deal was found by Cheapflights users on 11/9. 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.
Wed 11/1911:20 amSTL - AKL
2 stops26h 50mUnited Airlines
Wed 12/103:50 pmAKL - STL
1 stop19h 37mUnited Airlines
Deal found 11/9$964
This oojo deal was found by Cheapflights users on 11/7. 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 12/71:20 pmSTL - AKL
1 stop24h 50mQantas Airways
Sun 12/147:35 amAKL - STL
2 stops35h 22mQantas Airways
Deal found 11/7$995
This Air Canada deal was found by Cheapflights users on 11/9. 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 11/221:35 pmSTL - BNE
2 stops27h 10mMultiple Airlines
Fri 12/2610:45 amBNE - STL
2 stops44h 44mMultiple Airlines
Deal found 11/9$1,006
This Booking.com deal was found by Cheapflights users on 11/10. 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.
Mon 11/171:35 pmSTL - BNE
2 stops51h 10mAir Canada
Wed 12/310:45 amBNE - STL
2 stops21h 43mAir Canada
Deal found 11/10$1,016
This United Airlines deal was found by Cheapflights users on 11/10. 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 11/175:29 pmSTL - BNE
1 stop22h 01mUnited Airlines
Wed 12/311:40 amBNE - STL
2 stops27h 05mUnited Airlines
Deal found 11/10$1,032
This FlightHub deal was found by Cheapflights users on 11/8. 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.
Sat 11/226:13 pmSTL - BNE
1 stop20h 17mQantas Airways
Fri 12/267:40 pmBNE - STL
1 stop20h 11mQantas Airways
Deal found 11/8$1,040
This American Airlines deal was found by Cheapflights users on 11/10. 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 11/1411:42 amSTL - BNE
1 stop26h 48mAmerican Airlines
Sun 11/167:40 pmBNE - STL
1 stop20h 02mAmerican Airlines
Deal found 11/10$1,048
This American Airlines deal was found by Cheapflights users on 11/8. 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 11/227:00 amSTL - BNE
1 stop30h 00mAmerican Airlines
Fri 12/267:40 pmBNE - STL
2 stops20h 11mAmerican Airlines
Deal found 11/8$1,049
This oojo deal was found by Cheapflights users on 11/7. 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 11/115:29 pmSTL - AKL
1 stop20h 41mAir New Zealand
Thu 11/133:50 pmAKL - STL
1 stop19h 37mAir New Zealand
Deal found 11/7$1,054

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to South Pacific 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 November 10, 2025.
Use the filters below to find and compare flights from St. Louis to South Pacific that are best for you.

Fly from

St. Louis

Fly to

South Pacific

Route

Depart

Return

Price

St. LouisAuckland

STL - AKL

STLAKL

Lambert-St Louis

Wed 11/19

5:58 pm-9:10 am

1 stop20h 12m

Auckland Intl

Wed 12/10

3:50 pm-11:57 pm

1 stop27h 07m

$958

St. LouisAuckland

STL - AKL

STLAKL

Lambert-St Louis

Thu 12/11

1:20 pm-9:10 am

1 stop24h 50m

Auckland Intl

Thu 12/25

3:50 pm-7:39 pm

1 stop22h 49m

$959

St. LouisAuckland

STL - AKL

STLAKL

Lambert-St Louis

Mon 12/8

5:30 pm-9:10 am

1 stop20h 40m

Auckland Intl

Mon 12/22

1:20 pm-5:10 pm

1 stop22h 50m

$959

St. LouisAuckland

STL - AKL

STLAKL

Lambert-St Louis

Sun 12/7

6:13 pm-9:10 am

1 stop19h 57m

Auckland Intl

Sun 12/14

1:20 pm-5:05 pm

1 stop22h 45m

$960

St. LouisAuckland

STL - AKL

STLAKL

Lambert-St Louis

Wed 11/19

5:58 pm-9:10 am

1 stop20h 12m

Auckland Intl

Wed 12/10

3:50 pm-4:34 pm

2 stops19h 44m

$964

St. LouisAuckland

STL - AKL

STLAKL

Lambert-St Louis

Wed 11/19

9:00 am-9:10 am

2 stops29h 10m

Auckland Intl

Wed 12/10

3:50 pm-4:27 pm

1 stop19h 37m

$964

St. LouisAuckland

STL - AKL

STLAKL

Lambert-St Louis

Thu 12/11

9:30 am-9:10 am

1 stop28h 40m

Auckland Intl

Thu 12/25

3:50 pm-7:22 pm

2 stops22h 32m

$964

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Mon 1/19

2:45 pm-8:45 am

2 stops26h 00m

Brisbane

Wed 2/4

10:45 am-3:29 pm

2 stops44h 44m

$969

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Mon 1/19

2:45 pm-8:45 am

2 stops26h 00m

Brisbane

Wed 2/4

6:10 am-3:29 pm

3 stops49h 19m

$986

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Sat 11/22

1:35 pm-8:45 am

2 stops27h 10m

Brisbane

Fri 12/26

10:45 am-3:29 pm

2 stops44h 44m

$1,006

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 49 results
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Best time to book a flight from St. Louis to South Pacific

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

Cheapflights Insights

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

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

Currently, November is the cheapest month in which you can book a flight from St. Louis to South Pacific (average of $487). Flying from St. Louis to South Pacific in July is currently the most expensive (average of $1,159). 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 SP?

Find hourly flight availability from St. Louis to South Pacific. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 10, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 13% on flights from St. Louis to South Pacific by exploring options for tickets at noon.

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

Use this chart to determine the cheapest time to fly round-trip from St. Louis to South Pacific. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their St. Louis to South Pacific flight should consider departing on Wednesday at noon when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing South Pacific

Get insights into the airlines that provide service to South Pacific. 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 South Pacific. Reviews last updated November 10, 2025.
Peruse reviews from past customers who have flown with Fiji Airways, Air New Zealand, and Qantas Airways from St. Louis to South Pacific to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.1

Comfort

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.5

Food

7.5

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.

Overall

8.1

Comfort

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.5

Food

7.5

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.

Overall

8.1

Comfort

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.5

Food

7.5

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.

Overall

8.1

Comfort

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.5

Food

7.5

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.

Overall

8.1

Comfort

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.5

Food

7.5

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.

Overall

8.1

Comfort

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.5

Food

7.5

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.

Related info for your journey

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

    Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly out of when you book flights from St. Louis to South Pacific.

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

    Qantas Airways, Air Canada, and American Airlines can get you from St. Louis to South Pacific in just under 20h 12m. Your travel time can differ by up to 5h 48m. St. Louis and South Pacific are separated by a distance of 7970 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    To fly one-way, consider booking your trip with Fiji Airways, which is currently one of the cheapest options available, starting at $570. Qantas Airways flights start at $677 while deals on United Airlines start at $1,039 one-way.

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

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from St. Louis to South Pacific (average of $487). Flying from St. Louis to South Pacific in July is currently the most expensive (average of $1,159). 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

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Alternative routes for St. Louis to South Pacific

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from St. Louis to South Pacific

Discover the top 7 airlines that operate flights from St. Louis to South Pacific. 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 November 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$604Average$1,043FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$749Average$1,527FlexibilityNo cancel feeOn-time69%
Fiji AirwaysCheapest$790Average$1,217FlexibilityNo cancel feeOn-time74%
Qantas AirwaysCheapest$814Average$1,240FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$862Average$1,449FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$897Average$1,281FlexibilityNo cancel feeOn-time67%
Air New ZealandCheapest$1,005Average$1,371FlexibilityNo cancel feeOn-time78%

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