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Simpson Bay

$409+ Cheap flights from Missouri to Simpson Bay (SXM)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SXM
nov. 15 — nov. 221
sáb. 11/15
sáb. 11/22
1 adult, Economy
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Find 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 octubre 16, 2025.

This Flightnetwork deal was found by Cheapflights users on 10/16. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/67:02 pmSTL - SXM
1 stop17h 13mMultiple Airlines
vie. 11/145:00 pmSXM - STL
1 stop24h 29mMultiple Airlines
Deal found 10/16$409
This American Airlines deal was found by Cheapflights users on 10/15. 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.
lun. 12/296:00 pmSTL - SXM
1 stop16h 36mAmerican Airlines
mar. 1/65:33 pmSXM - STL
1 stop17h 35mAmerican Airlines
Deal found 10/15$583
This Kiwi.com deal was found by Cheapflights users on 10/14. 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.
sáb. 11/299:52 amSTL - SXM
2 stops23h 36mMultiple Airlines
sáb. 12/63:15 pmSXM - STL
1 stop24h 47mMultiple Airlines
Deal found 10/14$608
This American Airlines deal was found by Cheapflights users on 10/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/296:45 pmSTL - SXM
1 stop17h 15mAmerican Airlines
sáb. 12/64:00 pmSXM - STL
1 stop18h 08mAmerican Airlines
Deal found 10/14$620
This American Airlines deal was found by Cheapflights users on 10/16. 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.
lun. 12/14:05 pmMCI - SXM
2 stops20h 14mAmerican Airlines
sáb. 12/135:25 pmSXM - MCI
2 stops19h 01mAmerican Airlines
Deal found 10/16$636
This American Airlines deal was found by Cheapflights users on 10/15. 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.
dom. 11/95:15 amSTL - SXM
1 stop7h 04mAmerican Airlines
mié. 11/193:20 pmSXM - STL
1 stop9h 14mAmerican Airlines
Deal found 10/15$652
This American Airlines deal was found by Cheapflights users on 10/15. 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.
sáb. 11/86:36 pmMCI - SXM
1 stop17h 24mAmerican Airlines
sáb. 11/155:24 pmSXM - MCI
1 stop8h 35mAmerican Airlines
Deal found 10/15$677
This American Airlines deal was found by Cheapflights users on 10/15. 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.
sáb. 11/226:36 pmMCI - SXM
2 stops19h 46mAmerican Airlines
mié. 11/263:20 pmSXM - MCI
1 stop10h 39mAmerican Airlines
Deal found 10/15$712
This American Airlines deal was found by Cheapflights users on 10/16. 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.
jue. 11/66:45 pmSTL - SXM
1 stop17h 05mAmerican Airlines
vie. 11/145:24 pmSXM - STL
2 stops16h 45mAmerican Airlines
Deal found 10/16$748
This American Airlines deal was found by Cheapflights users on 10/16. 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.
dom. 12/216:36 pmMCI - SXM
2 stops16h 00mAmerican Airlines
sáb. 12/275:33 pmSXM - MCI
2 stops19h 47mAmerican Airlines
Deal found 10/16$760
This United Airlines deal was found by Cheapflights users on 10/15. 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.
sáb. 11/298:00 amMCI - SXM
1 stop29h 57mUnited Airlines
sáb. 12/65:00 pmSXM - MCI
2 stops19h 39mUnited Airlines
Deal found 10/15$761
This American Airlines deal was found by Cheapflights users on 10/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/305:00 amMCI - SXM
1 stop9h 15mAmerican Airlines
sáb. 11/85:24 pmSXM - MCI
1 stop8h 35mAmerican Airlines
Deal found 10/14$792

Cheap 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 octubre 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$409
(Flightnetwork)

Popular in

December

Cheapest in

August

Average price

$670
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
Highest demand for flights based on searches. 11% potential increase in price ($88 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($31 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 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 octubre 16, 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

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

jue. 11/6

7:02 pm-2:15 pm

1 stop17h 13m

Simpson Bay Princess Juliana

vie. 11/14

5:00 pm-3:29 pm

1 stop24h 29m

$409

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

mar. 1/13

4:05 pm-4:00 pm

1 stop21h 55m

Simpson Bay Princess Juliana

vie. 1/23

4:28 pm-1:53 pm

1 stop23h 25m

$496

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

mar. 1/13

4:05 pm-2:40 pm

2 stops44h 35m

Simpson Bay Princess Juliana

vie. 1/23

5:00 pm-3:29 pm

1 stop24h 29m

$557

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

mar. 3/3

4:05 pm-4:00 pm

1 stop21h 55m

Simpson Bay Princess Juliana

vie. 3/13

4:00 pm-3:29 pm

1 stop24h 29m

$573

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

dom. 1/4

4:05 pm-2:40 pm

2 stops44h 35m

Simpson Bay Princess Juliana

dom. 1/11

3:40 pm-3:29 pm

2 stops49h 49m

$576

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

mar. 12/30

5:05 am-4:33 pm

1 stop9h 28m

Simpson Bay Princess Juliana

mar. 1/6

5:33 pm-9:08 am

1 stop17h 35m

$583

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

dom. 4/5

5:30 am-12:50 pm

1 stop6h 20m

Simpson Bay Princess Juliana

vie. 4/10

3:55 pm-8:55 am

2 stops18h 00m

$588

Kansas CitySimpson Bay

MCI - SXM

MCISXM

Kansas City

mié. 2/11

5:00 am-4:28 pm

1 stop9h 28m

Simpson Bay Princess Juliana

mié. 2/25

3:25 pm-9:51 pm

1 stop8h 26m

$605

Kansas CitySimpson Bay

MCI - SXM

MCISXM

Kansas City

mié. 2/11

5:00 am-4:28 pm

1 stop9h 28m

Simpson Bay Princess Juliana

mar. 3/10

4:15 pm-12:14 am

1 stop8h 59m

$605

Kansas CitySimpson Bay

MCI - SXM

MCISXM

Kansas City

lun. 12/1

6:36 pm-1:50 pm

1 stop17h 14m

Simpson Bay Princess Juliana

sáb. 12/13

5:25 pm-12:01 pm

2 stops20h 36m

$636

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Showing 1-10 of 12 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 $428). Flying from Missouri to Simpson Bay in December is currently the most expensive (average of $643). 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 octubre 16, 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?

    Air Canada and American Airlines can get you from Missouri to Simpson Bay in just under 9h 28m. Your travel time can differ by up to 35h 07m. Airlines will cover a distance of 2391 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 $428). Flying from Missouri to Simpson Bay in December is currently the most expensive (average of $643). 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 octubre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$497Average$731FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$554Average$742FlexibilityNo cancel feeOn-time71%

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