South Pacific

$561+ 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 3/14. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SYD
Jan 14 — Jan 211
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Cheap 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 December 15, 2025.

This United Airlines deal was found by Cheapflights users on 12/14. 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 12/312:45 pmSTL - MEL
2 stops25h 45mUnited Airlines
Wed 1/1411:30 amMEL - STL
2 stops23h 13mUnited Airlines
Deal found 12/14$1,278
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/265:07 pmMCI - MEL
2 stops23h 53mUnited Airlines
Tue 12/301:00 pmMEL - MCI
2 stops24h 22mUnited Airlines
Deal found 12/14$1,481
This Qantas Airways deal was found by Cheapflights users on 12/14. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:30 pmSTL - MEL
2 stops38h 15mQantas Airways
Wed 1/1412:00 pmMEL - STL
1 stop28h 59mQantas Airways
Deal found 12/14$1,507
This United Airlines deal was found by Cheapflights users on 12/13. 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 12/134:30 pmMCI - SYD
1 stop21h 30mUnited Airlines
Mon 12/151:00 pmSYD - MCI
2 stops44h 46mUnited Airlines
Deal found 12/13$1,593
This Fiji Airways deal was found by Cheapflights users on 12/14. 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 Fiji Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:44 pmSTL - NAN
1 stop17h 01mMultiple Airlines
Sat 12/209:15 pmNAN - STL
1 stop16h 11mMultiple Airlines
Deal found 12/14$1,722
This Orbitz deal was found by Cheapflights users on 12/14. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/231:50 pmMCI - SYD
2 stops50h 45mAir Canada
Tue 12/3011:20 amSYD - MCI
2 stops28h 55mAir Canada
Deal found 12/14$1,788
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Tue 12/233:53 pmMCI - SYD
2 stops26h 47mUnited Airlines
Tue 12/3011:50 amSYD - MCI
1 stop27h 40mUnited Airlines
Deal found 12/14$1,823
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/153:19 pmSTL - SYD
2 stops24h 56mUnited Airlines
Wed 12/319:00 amSYD - STL
2 stops30h 30mUnited Airlines
Deal found 12/14$1,823
This Delta deal was found by Cheapflights users on 12/13. 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.
Sat 12/274:05 pmMCI - SYD
1 stop23h 25mDelta
Sat 1/1010:40 amSYD - MCI
1 stop21h 07mDelta
Deal found 12/13$1,863
This United Airlines deal was found by Cheapflights users on 12/13. 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.
Tue 12/166:00 amMCI - SYD
2 stops34h 05mUnited Airlines
Mon 12/221:00 pmSYD - MCI
2 stops43h 09mUnited Airlines
Deal found 12/13$1,893
This Delta deal was found by Cheapflights users on 12/12. 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.
Sat 12/277:00 amSTL - SYD
2 stops32h 30mDelta
Fri 1/910:40 amSYD - STL
2 stops27h 55mDelta
Deal found 12/12$1,928
This oojo deal was found by Cheapflights users on 12/14. 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.
Sat 12/276:44 pmSTL - SYD
2 stops34h 41mQantas Airways
Fri 1/97:30 pmSYD - STL
2 stops45h 29mQantas Airways
Deal found 12/14$1,962

Find 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 December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$811
(oojo)

One-way from

$561
(American Airlines)

Popular in

December

Cheapest in

August

Average price

$1,766
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 Missouri to South Pacific
One-way flight from Missouri to South Pacific
Highest demand for flights based on searches. 4% potential increase in price ($70 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($29 potential savings vs. average RT price).
Average for round-trip flights in December 2025

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 December 15, 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. LouisNadi

STL - NAN

STLNAN

Lambert-St Louis

Thu 2/19

6:50 pm-5:45 am

1 stop16h 55m

Nadi

Sat 3/7

9:15 pm-7:19 pm

1 stop16h 04m

$811

St. LouisNadi

STL - NAN

STLNAN

Lambert-St Louis

Tue 5/5

6:00 pm-5:00 am

1 stop18h 00m

Nadi

Sat 5/16

9:15 pm-10:29 pm

1 stop18h 14m

$811

St. LouisAuckland

STL - AKL

STLAKL

Lambert-St Louis

Tue 3/3

5:55 pm-9:10 am

1 stop20h 15m

Auckland Intl

Wed 3/18

1:15 pm-11:59 pm

2 stops28h 44m

$861

Kansas CityAuckland

MCI - AKL

MCIAKL

Kansas City

Thu 3/5

3:48 pm-8:35 am

1 stop21h 47m

Auckland Intl

Thu 3/12

1:35 pm-2:56 pm

1 stop19h 21m

$861

Kansas CityAuckland

MCI - AKL

MCIAKL

Kansas City

Wed 2/25

1:50 pm-9:10 am

2 stops24h 20m

Auckland Intl

Thu 3/12

2:50 pm-4:23 pm

1 stop19h 33m

$861

Kansas CityAuckland

MCI - AKL

MCIAKL

Kansas City

Fri 3/6

3:48 pm-8:35 am

1 stop21h 47m

Auckland Intl

Thu 3/12

1:35 pm-2:56 pm

1 stop19h 21m

$861

Kansas CityAuckland

MCI - AKL

MCIAKL

Kansas City

Sun 3/8

3:53 pm-7:35 am

1 stop21h 42m

Auckland Intl

Fri 3/13

1:35 pm-2:56 pm

1 stop19h 21m

$861

Kansas CityAuckland

MCI - AKL

MCIAKL

Kansas City

Sat 3/7

3:48 pm-8:35 am

1 stop21h 47m

Auckland Intl

Fri 3/13

1:35 pm-2:56 pm

1 stop19h 21m

$861

St. LouisAuckland

STL - AKL

STLAKL

Lambert-St Louis

Sun 2/1

5:00 pm-9:10 am

1 stop21h 10m

Auckland Intl

Sun 2/8

3:50 pm-4:55 pm

2 stops20h 05m

$866

St. LouisAuckland

STL - AKL

STLAKL

Lambert-St Louis

Thu 3/12

6:32 am-7:35 am

2 stops31h 03m

Auckland Intl

Mon 3/23

1:35 pm-11:15 pm

2 stops27h 40m

$866

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

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 $1,159). 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 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 December 15, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 18% 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 16h 55m. Fly via Fiji Airways, Qantas Airways, or Delta to get the fastest option. The distance from Missouri to South Pacific is about 7088 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $1,159). 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 Missouri to South Pacific

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

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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$604Average$1,166FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$645Average$1,398FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$646Average$1,442FlexibilityNo cancel feeOn-time69%
Fiji AirwaysCheapest$790Average$1,198FlexibilityNo cancel feeOn-time74%
Qantas AirwaysCheapest$814Average$1,328FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$893Average$1,571FlexibilityNo cancel feeOn-time78%
Air CanadaCheapest$897Average$1,215FlexibilityNo cancel feeOn-time67%
Air Tahiti NuiCheapest$1,087Average$1,507FlexibilityNo cancel feeOn-time73%

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