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South Pacific

$545+ Cheap flights from Missouri 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SYD
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find flight deals from Missouri to South Pacific

Cheapest flights from Missouri to South Pacific
Explore the most affordable flight options available from Missouri to South Pacific. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This American Airlines deal was found by Cheapflights users on 10/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/81:20 pmSTL - AKL
1 stop24h 50mAmerican Airlines
Mon 12/223:50 pmAKL - STL
1 stop27h 01mAmerican Airlines
Deal found 10/30$961
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/81:35 pmSTL - AKL
2 stops24h 35mUnited Airlines
Mon 12/223:50 pmAKL - STL
2 stops25h 32mUnited Airlines
Deal found 10/29$965
This Ovago deal was found by Cheapflights users on 10/30. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/197:00 amSTL - AKL
2 stops36h 05mQantas Airways
Wed 12/101:20 pmAKL - STL
1 stop18h 12mQantas Airways
Deal found 10/30$989
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Sat 11/19:00 amSTL - AKL
2 stops29h 10mUnited Airlines
Sat 11/153:50 pmAKL - STL
2 stops25h 32mUnited Airlines
Deal found 10/30$1,065
This FlightHub deal was found by Cheapflights users on 10/28. 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 11/224:43 pmSTL - BNE
2 stops48h 02mAir Canada
Fri 12/2610:45 amBNE - STL
2 stops27h 37mAir Canada
Deal found 10/28$1,070
This American Airlines deal was found by Cheapflights users on 10/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/147:00 amSTL - BNE
1 stop30h 00mAmerican Airlines
Mon 11/249:40 amBNE - STL
1 stop25h 50mAmerican Airlines
Deal found 10/30$1,072
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/146:15 amSTL - BNE
2 stops33h 15mUnited Airlines
Mon 11/2411:40 amBNE - STL
2 stops20h 48mUnited Airlines
Deal found 10/27$1,091
This oojo deal was found by Cheapflights users on 10/29. 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 11/25:29 pmSTL - AKL
1 stop20h 41mAir New Zealand
Tue 11/43:50 pmAKL - STL
1 stop19h 37mAir New Zealand
Deal found 10/29$1,102
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Sat 11/224:43 pmSTL - BNE
2 stops46h 47mUnited Airlines
Fri 12/2611:40 amBNE - STL
2 stops22h 14mUnited Airlines
Deal found 10/29$1,106
This American Airlines deal was found by Cheapflights users on 10/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/199:36 amSTL - AKL
1 stop28h 34mAmerican Airlines
Wed 12/101:20 pmAKL - STL
1 stop21h 07mAmerican Airlines
Deal found 10/30$1,111
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 11/207:00 amSTL - AKL
1 stop31h 10mAmerican Airlines
Sat 12/61:20 pmAKL - STL
1 stop18h 21mAmerican Airlines
Deal found 10/29$1,169
This Air Canada deal was found by Cheapflights users on 10/29. 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.
Wed 11/191:47 pmMCI - SYD
2 stops26h 48mAir Canada
Wed 11/2611:20 amSYD - MCI
2 stops40h 21mAir Canada
Deal found 10/29$1,220

Cheap flight deals from Missouri to South Pacific

Keep the following information in mind while searching for Missouri to South Pacific flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$961
(American Airlines)

One-way from

$545
(FlightHub)

Popular in

December

Cheapest in

August

Average price

$1,331
Provider with most accurate pricing for Lambert-St Louis-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Sydney Kingsford Smith flights.
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From Missouri to South Pacific
Search Deals
One-way flight from Missouri to South Pacific
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($94 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($29 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 Missouri 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 October 30, 2025.
Use the filters below to find and compare flights from Missouri to South Pacific that are best for you.

Fly from

Missouri

Fly to

South Pacific

Route

Depart

Return

Price

St. LouisAuckland

STL - AKL

STLAKL

Lambert-St Louis

Mon 3/2

11:46 am-9:10 am

1 stop26h 24m

Auckland Intl

Mon 3/9

1:20 pm-10:24 pm

1 stop27h 04m

$961

St. LouisAuckland

STL - AKL

STLAKL

Lambert-St Louis

Tue 2/3

5:00 pm-9:10 am

1 stop21h 10m

Auckland Intl

Tue 2/17

3:50 pm-4:44 pm

1 stop19h 54m

$961

Kansas CityAuckland

MCI - AKL

MCIAKL

Kansas City

Thu 3/5

1:45 pm-9:10 am

2 stops24h 25m

Auckland Intl

Thu 3/12

2:50 pm-10:00 pm

1 stop25h 10m

$961

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

3:50 pm-10:22 pm

2 stops25h 32m

$965

St. LouisAuckland

STL - AKL

STLAKL

Lambert-St Louis

Tue 3/3

5:25 pm-9:10 am

1 stop20h 45m

Auckland Intl

Wed 3/18

2:50 pm-9:50 pm

2 stops25h 00m

$965

Kansas CityAuckland

MCI - AKL

MCIAKL

Kansas City

Sun 1/18

5:10 pm-9:10 am

2 stops45h 00m

Auckland Intl

Fri 1/30

3:50 pm-7:13 pm

1 stop22h 23m

$1,027

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Sat 11/22

4:43 pm-8:45 am

2 stops48h 02m

Brisbane

Fri 12/26

10:45 am-10:22 pm

2 stops27h 37m

$1,070

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Fri 11/14

9:36 am-5:00 am

2 stops27h 24m

Brisbane

Mon 11/24

9:40 am-4:27 pm

1 stop22h 47m

$1,077

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Fri 11/14

6:15 am-7:30 am

2 stops33h 15m

Brisbane

Mon 11/24

11:40 am-4:27 pm

1 stop20h 47m

$1,091

St. LouisBrisbane

STL - BNE

STLBNE

Lambert-St Louis

Sat 11/22

4:43 pm-7:30 am

2 stops46h 47m

Brisbane

Fri 12/26

11:40 am-10:30 pm

1 stop26h 50m

$1,106

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 60 results
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Best time to book a flight from Missouri to South Pacific

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

What is the cheapest month to book a flight from Missouri to South Pacific?

Currently, November is the cheapest month in which you can book a flight from Missouri to South Pacific (average of $487). Flying from Missouri to South Pacific in July is currently the most expensive (average of $1,163). 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 MO to SP?

Find hourly flight availability from Missouri 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 October 30, 2025.

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

What is the cheapest day to fly from Missouri to South Pacific?

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

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

Related info for your journey

Find useful and relevant information for your journey from Missouri to South Pacific. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Missouri to South Pacific?

    There are many flights that can get you from Missouri to South Pacific in 21h 10m. Fly via American Airlines, United Airlines, or Air Canada to get the fastest option. The distance from Missouri to South Pacific is about 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 Missouri to South Pacific one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $577. Fiji Airways flights start at $618 while deals on United Airlines start at $627 one-way.

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

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

  • How can I find direct flights from Missouri to South Pacific?

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

  • Can I find deals for business class flights from Missouri to South Pacific?

    Yes. Cheapflights offers flight deals from Missouri 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 Missouri to South Pacific?

    Currently, November is the cheapest month in which you can book a flight from Missouri to South Pacific (average of $487). Flying from Missouri to South Pacific in July is currently the most expensive (average of $1,163). 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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Top 8 airlines flying from Missouri to South Pacific

Discover the top 8 airlines that operate flights from Missouri 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$326Average$1,260FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$646Average$1,424FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$749Average$1,388FlexibilityNo cancel feeOn-time71%
Qantas AirwaysCheapest$814Average$1,328FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$897Average$1,202FlexibilityNo cancel feeOn-time67%
Air New ZealandCheapest$929Average$1,381FlexibilityNo cancel feeOn-time78%
Fiji AirwaysCheapest$953Average$1,302FlexibilityNo cancel feeOn-time74%
Air Tahiti NuiCheapest$1,087Average$1,507FlexibilityNo cancel feeOn-time73%

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