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Saint Martin Island

$303+ 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SXM
May 10 — May 171
Sat 5/10
Sat 5/17
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 May 5, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$493
(FlightHub)

One-way from

$303
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$666
Provider with most accurate pricing for Lambert-St Louis-Simpson Bay Princess Juliana flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Simpson Bay Princess Juliana flights.
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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. 13% potential increase in price ($115 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 5, 2025.

This FlightHub deal was found by Cheapflights users on 5/4. 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.
Sun 5/255:45 pmSTL - SXM
2 stops22h 15mFrontier
Sat 5/3112:34 pmSXM - STL
1 stop12h 10mFrontier
Deal found 5/4$493
This Delta deal was found by Cheapflights users on 5/4. 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.
Mon 11/246:00 amSTL - SXM
1 stop6h 35mDelta
Thu 12/44:00 pmSXM - STL
1 stop9h 39mDelta
Deal found 5/4$573
This American Airlines deal was found by Cheapflights users on 5/4. 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 7/68:01 pmSTL - SXM
2 stops18h 04mAmerican Airlines
Sun 7/134:25 pmSXM - STL
2 stops20h 33mAmerican Airlines
Deal found 5/4$608
This Air Canada deal was found by Cheapflights users on 5/4. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/254:15 pmSTL - SXM
2 stops43h 40mAir Canada
Thu 12/43:05 pmSXM - STL
2 stops26h 21mAir Canada
Deal found 5/4$672
This Travelocity deal was found by Cheapflights users on 5/4. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/254:15 pmSTL - SXM
2 stops43h 40mMultiple Airlines
Tue 12/26:45 pmSXM - STL
3 stops46h 41mMultiple Airlines
Deal found 5/4$2,109

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 May 5, 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 5/25

5:45 pm-5:00 pm

2 stops22h 15m

Simpson Bay Princess Juliana

Sat 5/31

12:34 pm-11:44 pm

1 stop12h 10m

$493

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Sun 7/6

8:01 pm-3:05 pm

2 stops18h 04m

Simpson Bay Princess Juliana

Sun 7/13

4:25 pm-11:58 am

2 stops20h 33m

$608

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Sun 5/18

6:00 am-1:54 pm

1 stop6h 54m

Simpson Bay Princess Juliana

Sat 5/24

3:19 pm-11:38 pm

1 stop9h 19m

$916

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Fri 5/16

5:55 pm-2:00 pm

2 stops19h 05m

$303

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Fri 5/16

6:00 am-1:54 pm

1 stop6h 54m

$431

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/4

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 July is currently the most expensive (average of $669). 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 May 5, 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 May 5, 2025.
Delta
8.0
Very good
7,941 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Crew

8.5

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
7,941 reviews
Delta
8.0
Very good
7,941 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Crew

8.5

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
7,941 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Crew

8.5

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!
Frontier
6.0
Okay
3,289 reviews
Delta
8.0
Very good
7,941 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Crew

8.5

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.

  • 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 July is currently the most expensive (average of $669). 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 May 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$469Average$714FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$516Average$681FlexibilityNo cancel feeOn-time71%

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