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Simpson Bay

$246+ Cheap flights from Missouri to Simpson Bay (SXM)

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 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SXM
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap flight deals from Missouri to Simpson Bay

Cheapest flights from Missouri to Simpson Bay
Explore the most affordable flight options available from Missouri to Simpson Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1811:51 amSTL - SXM
1 stop24h 24mSpirit Airlines
Sat 12/203:20 pmSXM - STL
1 stop21h 36mSpirit Airlines
Deal found 12/14$503
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1811:51 amSTL - SXM
1 stop24h 24mMultiple Airlines
Sat 12/203:20 pmSXM - STL
2 stops44h 25mMultiple Airlines
Deal found 12/14$592
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.
Sun 12/215:43 amMCI - SXM
1 stop7h 07mDelta
Sat 12/271:45 pmSXM - MCI
1 stop9h 23mDelta
Deal found 12/13$817
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.
Wed 12/246:00 amSTL - SXM
1 stop6h 50mDelta
Sun 12/281:45 pmSXM - STL
1 stop11h 57mDelta
Deal found 12/13$817
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/142:47 pmSTL - SXM
1 stop21h 28mMultiple Airlines
Sun 12/211:45 pmSXM - STL
2 stops45h 55mMultiple Airlines
Deal found 12/13$857
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:00 pmSTL - SXM
1 stop16h 36mAmerican Airlines
Tue 1/65:33 pmSXM - STL
1 stop17h 35mAmerican Airlines
Deal found 12/13$866
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:00 amMCI - SXM
1 stop7h 22mAmerican Airlines
Sat 12/275:04 pmSXM - MCI
2 stops19h 09mAmerican Airlines
Deal found 12/13$872
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.
Sun 12/146:00 amSTL - SXM
1 stop6h 28mDelta
Sun 12/211:45 pmSXM - STL
1 stop11h 57mDelta
Deal found 12/13$897
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/147:35 pmSTL - SXM
2 stops18h 50mAmerican Airlines
Sun 12/215:33 pmSXM - STL
2 stops17h 02mAmerican Airlines
Deal found 12/13$907
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:36 pmMCI - SXM
2 stops17h 46mAmerican Airlines
Sat 12/275:04 pmSXM - MCI
1 stop8h 49mAmerican Airlines
Deal found 12/13$947
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.
Wed 12/175:45 pmMCI - SXM
1 stop18h 05mUnited Airlines
Fri 12/194:55 pmSXM - MCI
2 stops19h 48mUnited Airlines
Deal found 12/13$962
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.
Thu 12/186:35 pmSTL - SXM
2 stops17h 15mUnited Airlines
Sat 12/202:40 pmSXM - STL
1 stop9h 03mUnited Airlines
Deal found 12/14$962

Find flight deals from Missouri to Simpson Bay

Keep the following information in mind while searching for Missouri to Simpson Bay flight deals. Data was last updated December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$317
(Kiwi.com)

One-way from

$246
(Mytrip)

Popular in

December

Cheapest in

August

Average price

$1,055
Provider with most accurate pricing for Lambert-St Louis-Simpson Bay Princess Juliana flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Simpson Bay Princess Juliana flights.
Search Deals
From Missouri to Simpson Bay Princess Juliana
Search Deals
One-way flight from Missouri to Simpson Bay Princess Juliana
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($112 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Simpson Bay 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 Simpson Bay that are best for you.

Fly from

Missouri

Fly to

Simpson Bay

Route

Depart

Return

Price

Kansas CitySimpson Bay

MCI - SXM

MCISXM

Kansas City

Wed 2/4

5:04 pm-2:10 pm

2 stops19h 06m

Simpson Bay Princess Juliana

Sun 2/8

3:15 pm-10:31 am

1 stop21h 16m

$317

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Mon 1/5

4:05 pm-2:40 pm

2 stops20h 35m

Simpson Bay Princess Juliana

Tue 1/13

3:40 pm-3:29 pm

2 stops25h 49m

$437

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Tue 1/13

6:00 am-2:55 pm

1 stop6h 55m

Simpson Bay Princess Juliana

Fri 1/23

1:55 pm-11:37 pm

1 stop11h 42m

$465

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Sun 1/18

6:00 am-2:55 pm

1 stop6h 55m

Simpson Bay Princess Juliana

Fri 1/23

1:55 pm-11:37 pm

1 stop11h 42m

$465

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Tue 1/27

3:40 pm-1:45 pm

2 stops20h 05m

Simpson Bay Princess Juliana

Tue 2/3

5:33 pm-11:03 am

2 stops19h 30m

$470

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Sun 1/18

3:37 pm-12:58 pm

2 stops19h 21m

Simpson Bay Princess Juliana

Fri 1/23

5:33 pm-9:40 am

2 stops18h 07m

$470

Kansas CitySimpson Bay

MCI - SXM

MCISXM

Kansas City

Mon 2/23

5:35 am-2:50 pm

1 stop7h 15m

Simpson Bay Princess Juliana

Wed 3/11

12:55 pm-10:03 pm

1 stop10h 08m

$587

Kansas CitySimpson Bay

MCI - SXM

MCISXM

Kansas City

Mon 2/23

6:07 pm-2:20 pm

2 stops18h 13m

Simpson Bay Princess Juliana

Wed 3/11

4:28 pm-8:42 am

2 stops17h 14m

$592

Kansas CitySimpson Bay

MCI - SXM

MCISXM

Kansas City

Sun 2/8

5:50 am-2:55 pm

1 stop7h 05m

Simpson Bay Princess Juliana

Sun 2/15

1:38 pm-9:58 pm

1 stop10h 20m

$612

Kansas CitySimpson Bay

MCI - SXM

MCISXM

Kansas City

Wed 2/11

2:15 pm-12:38 pm

2 stops20h 23m

Simpson Bay Princess Juliana

Tue 3/10

12:29 pm-10:04 pm

1 stop10h 35m

$617

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 15 results
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Best time to book a flight from Missouri to Simpson Bay

Have a flexible travel schedule? Discover the best time to fly to Simpson Bay 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 Simpson Bay

What is the cheapest month to book a flight from Missouri to Simpson Bay?

Currently, May is the cheapest month in which you can book a flight from Missouri to Simpson Bay (average of $491). Flying from Missouri to Simpson Bay in December is currently the most expensive (average of $654). 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 SXM?

Find hourly flight availability from Missouri to Simpson Bay. 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.

It’s typically best to fly out from Missouri to Simpson Bay at noon. Doing so could potentially save you 43% on the flight price compared to flying in the afternoon, which is usually more expensive.

How much does it cost to fly round-trip from Missouri to Simpson Bay?

Related info for your journey

Find useful and relevant information for your journey from Missouri to Simpson Bay. 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 Simpson Bay from Missouri?

    Simpson Bay Princess Juliana (SXM) is the airport you will fly into if you book a flight from Missouri to Simpson Bay. It is only a 0.5 mi journey from Princess Juliana (SXM) to Simpson Bay’s city center.

  • How long is the flight from Missouri to Simpson Bay?

    Spirit Airlines, Air Canada, and Delta can get you from Missouri to Simpson Bay in just under 6h 55m. Your travel time can differ by up to 13h 40m. Airlines will cover a distance of 2172 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Missouri to Simpson Bay that include hotel bookings?

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

  • How can I find direct flights from Missouri to Simpson Bay?

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

  • Can I find deals for business class flights from Missouri to Simpson Bay?

    Yes. Cheapflights offers flight deals from Missouri to Simpson Bay 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 Simpson Bay?

    Currently, May is the cheapest month in which you can book a flight from Missouri to Simpson Bay (average of $491). Flying from Missouri to Simpson Bay in December is currently the most expensive (average of $654). 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 Simpson Bay?

Book flights to Simpson Bay if you plan to visit one of these locations
Philipsburg

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Alternative routes for Missouri to Simpson Bay

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Top 2 airlines flying from Missouri to Simpson Bay

Discover the top 2 airlines that operate flights from Missouri to Simpson Bay. 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$497Average$667FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$560Average$739FlexibilityNo cancel feeOn-time71%

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