Saint Martin Island

$293+ Cheap flights from St. Louis (STL) to Saint Martin Island

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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SXM
Jul 6 — Jul 131
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Cheap flight deals from St. Louis to Saint Martin Island

Keep the following information in mind while searching for St. Louis to Saint Martin Island flight deals. Data was last updated July 1, 2025.

Round-trip from

$467
(FlightHub)

One-way from

$293
(Delta)

Popular in

December

Cheapest in

August

Average price

$603
From Lambert-St Louis to Saint Martin Island
One-way flight from Lambert-St Louis to Saint Martin Island
Highest demand for flights based on searches. 16% potential increase in price ($138 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($41 potential savings vs. average RT price).
Average for round-trip flights in July 2025

Find flight deals from St. Louis to Saint Martin Island

Cheapest flights from St. Louis to Saint Martin Island
Explore the most affordable flight options available from St. Louis to Saint Martin Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2025.

This FlightHub deal was found by Cheapflights users on 6/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/255:40 pmSTL - SXM
1 stop16h 48mMultiple Airlines
Mon 7/283:05 pmSXM - STL
1 stop26h 26mMultiple Airlines
Deal found 6/29$467
This FlightHub deal was found by Cheapflights users on 6/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2410:47 amSTL - SXM
2 stops50h 13mSpirit Airlines
Mon 7/283:05 pmSXM - STL
1 stop26h 26mSpirit Airlines
Deal found 6/29$504
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Sat 11/87:07 pmSTL - SXM
1 stop16h 48mAmerican Airlines
Fri 11/143:30 pmSXM - STL
1 stop9h 31mAmerican Airlines
Deal found 6/30$583
This Delta deal was found by Cheapflights users on 6/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/116:00 amSTL - SXM
1 stop6h 47mDelta
Sat 10/183:15 pmSXM - STL
1 stop7h 44mDelta
Deal found 6/30$633
This United Airlines deal was found by Cheapflights users on 6/29. 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 7/267:55 amSTL - SXM
2 stops27h 34mUnited Airlines
Wed 7/301:35 pmSXM - STL
2 stops23h 52mUnited Airlines
Deal found 6/29$830

Cheapflights Fare Finder

Customize your flight search to find flights from St. Louis to Saint Martin Island 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 July 1, 2025.
Use the filters below to find and compare flights from St. Louis to Saint Martin Island that are best for you.

Fly from

St. Louis

Fly to

Saint Martin Island

Route

Depart

Return

Price

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Fri 7/25

5:40 pm-11:28 am

1 stop16h 48m

Simpson Bay Princess Juliana

Mon 7/28

3:05 pm-4:31 pm

1 stop26h 26m

$467

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Thu 7/24

10:47 am-2:00 pm

2 stops50h 13m

Simpson Bay Princess Juliana

Mon 7/28

3:05 pm-4:31 pm

1 stop26h 26m

$504

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Sat 11/8

7:07 pm-1:55 pm

1 stop16h 48m

Simpson Bay Princess Juliana

Fri 11/14

3:30 pm-11:01 pm

1 stop9h 31m

$583

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Sat 10/11

6:00 am-1:47 pm

1 stop6h 47m

Simpson Bay Princess Juliana

Sat 10/18

3:15 pm-9:59 pm

1 stop7h 44m

$633

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Sat 7/26

7:55 am-12:29 pm

2 stops27h 34m

Simpson Bay Princess Juliana

Wed 7/30

1:35 pm-12:27 pm

2 stops23h 52m

$830

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Mon 10/6

6:00 am-1:47 pm

1 stop6h 47m

$293

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Mon 10/6

4:05 pm-10:45 am

3 stops17h 40m

$735

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Best time to book a flight from St. Louis to Saint Martin Island

Have a flexible travel schedule? Discover the best time to fly to Saint Martin Island 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 Saint Martin Island

What is the cheapest month to book a flight from St. Louis to Saint Martin Island?

Currently, September is the cheapest month in which you can book a flight from St. Louis to Saint Martin Island (average of $459). Flying from St. Louis to Saint Martin Island in March is currently the most expensive (average of $656). 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 SCH?

Find hourly flight availability from St. Louis to Saint Martin Island. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 1, 2025.

When flying from St. Louis to Saint Martin Island, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Saint Martin Island

Get insights into the airlines that provide service to Saint Martin Island. 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 Saint Martin Island. Reviews last updated July 1, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from St. Louis to Saint Martin Island. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Saint Martin Island. 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 Saint Martin Island?

    Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Saint Martin Island. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

  • Can I find deals for flights from St. Louis to Saint Martin Island that include hotel bookings?

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

  • How can I find direct flights from St. Louis to Saint Martin Island?

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

  • Can I find deals for business class flights from St. Louis to Saint Martin Island?

    Yes. Cheapflights offers flight deals from St. Louis to Saint Martin Island 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 Saint Martin Island?

    Currently, September is the cheapest month in which you can book a flight from St. Louis to Saint Martin Island (average of $459). Flying from St. Louis to Saint Martin Island in March is currently the most expensive (average of $656). 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 Saint Martin Island

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

Top 2 airlines flying from St. Louis to Saint Martin Island

Discover the top 2 airlines that operate flights from St. Louis to Saint Martin Island. 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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$514Average$719FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$520Average$681FlexibilityNo cancel feeOn-time71%

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