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Saint Martin Island

$174+ 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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SXM
Sep 8 — Sep 151
Mon 9/8
Mon 9/15
1 adult, Economy
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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 September 3, 2025.

Round-trip from

$404
(Kiwi.com)

One-way from

$174
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$674
From Lambert-St Louis to Saint Martin Island
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One-way flight from Lambert-St Louis to Saint Martin Island
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Highest demand for flights based on searches. 9% potential increase in price ($75 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 3, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/3. 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 11/912:20 pmSTL - SXM
1 stop24h 50mSpirit Airlines
Sat 11/154:28 pmSXM - STL
1 stop20h 33mSpirit Airlines
Deal found 9/3$404
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 12/412:20 pmSTL - SXM
1 stop24h 50mSpirit Airlines
Fri 12/124:28 pmSXM - STL
1 stop23h 25mSpirit Airlines
Deal found 9/1$427
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 11/912:20 pmSTL - SXM
1 stop24h 50mMultiple Airlines
Sat 11/154:28 pmSXM - STL
2 stops19h 44mMultiple Airlines
Deal found 9/3$432
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Fri 10/1711:32 amSTL - SXM
2 stops25h 27mMultiple Airlines
Fri 10/243:05 pmSXM - STL
1 stop28h 05mMultiple Airlines
Deal found 9/2$440
This American Airlines deal was found by Cheapflights users on 9/1. 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 9/285:28 amSTL - SXM
1 stop6h 51mAmerican Airlines
Wed 10/12:20 pmSXM - STL
1 stop10h 39mAmerican Airlines
Deal found 9/1$497
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 12/46:26 pmSTL - SXM
2 stops18h 44mMultiple Airlines
Fri 12/124:28 pmSXM - STL
1 stop23h 25mMultiple Airlines
Deal found 9/1$523
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 11/912:20 pmSTL - SXM
1 stop24h 50mMultiple Airlines
Tue 11/184:20 pmSXM - STL
2 stops44h 41mMultiple Airlines
Deal found 9/3$538
This American Airlines deal was found by Cheapflights users on 9/1. 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 11/96:45 pmSTL - SXM
1 stop17h 05mAmerican Airlines
Tue 11/183:20 pmSXM - STL
1 stop9h 07mAmerican Airlines
Deal found 9/1$540
This American Airlines deal was found by Cheapflights users on 9/2. 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 11/86:03 pmSTL - SXM
2 stops20h 19mAmerican Airlines
Wed 11/193:20 pmSXM - STL
1 stop9h 14mAmerican Airlines
Deal found 9/2$555

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 September 3, 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

Sun 11/9

12:20 pm-3:10 pm

1 stop24h 50m

Simpson Bay Princess Juliana

Sat 11/15

4:28 pm-11:01 am

1 stop20h 33m

$404

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Thu 12/4

12:20 pm-3:10 pm

1 stop24h 50m

Simpson Bay Princess Juliana

Fri 12/12

4:28 pm-1:53 pm

1 stop23h 25m

$427

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Sun 11/9

12:20 pm-3:10 pm

1 stop24h 50m

Simpson Bay Princess Juliana

Sat 11/15

4:28 pm-10:12 am

2 stops19h 44m

$432

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Fri 10/17

11:32 am-1:59 pm

2 stops25h 27m

Simpson Bay Princess Juliana

Fri 10/24

3:05 pm-6:10 pm

1 stop28h 05m

$440

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Sun 9/28

5:28 am-1:19 pm

1 stop6h 51m

Simpson Bay Princess Juliana

Wed 10/1

2:20 pm-11:59 pm

1 stop10h 39m

$497

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Mon 11/3

5:15 am-4:22 pm

1 stop9h 07m

Simpson Bay Princess Juliana

Thu 11/13

3:20 pm-10:27 pm

1 stop9h 07m

$497

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Thu 12/4

6:26 pm-3:10 pm

2 stops18h 44m

Simpson Bay Princess Juliana

Fri 12/12

4:28 pm-1:53 pm

1 stop23h 25m

$523

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Sun 11/9

12:20 pm-3:10 pm

1 stop24h 50m

Simpson Bay Princess Juliana

Tue 11/18

4:20 pm-11:01 am

2 stops44h 41m

$538

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Sun 11/9

12:20 pm-3:10 pm

1 stop24h 50m

$174

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Mon 11/3

7:45 pm-7:52 pm

3 stops46h 07m

$181

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/1

Showing 1-10 of 13 results
1
2

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 $652). 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 September 3, 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 September 3, 2025.
Read reviews from past customers who have flown Delta 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.
Delta
8.0
Very good
7,972 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

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!
Delta
8.0
Very good
7,972 reviews
Delta
8.0
Very good
7,972 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,972 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

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.

  • How long is the flight from St. Louis to Saint Martin Island?

    A quick flight from St. Louis to Saint Martin Island can take about 6h 51m. Spirit Airlines provides one of the quickest options available for as low as $497. St. Louis and Saint Martin Island are separated by a distance of 2172 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 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 $652). 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 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 September 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$530Average$713FlexibilityNo cancel feeOn-time71%
DeltaCheapest$561Average$707FlexibilityNo cancel feeOn-timeN/A

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