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Saint Martin Island

$251+ 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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SXM
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap 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 December 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/9. 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 12/2510:42 amSTL - SXM
2 stops25h 33mMultiple Airlines
Wed 12/313:20 pmSXM - STL
1 stop21h 36mMultiple Airlines
Deal found 12/9$400
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 12/2510:42 amSTL - SXM
2 stops25h 33mMultiple Airlines
Mon 12/293:20 pmSXM - STL
1 stop21h 36mMultiple Airlines
Deal found 12/9$428
This Kiwi.com deal was found by Cheapflights users on 12/9. 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.
Tue 12/2310:48 amSTL - SXM
2 stops25h 27mMultiple Airlines
Wed 12/313:20 pmSXM - STL
1 stop21h 36mMultiple Airlines
Deal found 12/9$440
This Kiwi.com deal was found by Cheapflights users on 12/9. 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.
Tue 12/2310:48 amSTL - SXM
2 stops25h 27mMultiple Airlines
Mon 12/293:20 pmSXM - STL
1 stop21h 36mMultiple Airlines
Deal found 12/9$468
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 12/2511:51 amSTL - SXM
1 stop24h 24mSpirit Airlines
Wed 12/313:20 pmSXM - STL
1 stop21h 36mSpirit Airlines
Deal found 12/9$473
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 12/2810:57 amSTL - SXM
2 stops25h 18mMultiple Airlines
Wed 12/313:20 pmSXM - STL
1 stop21h 36mMultiple Airlines
Deal found 12/9$475
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 12/2110:57 amSTL - SXM
2 stops25h 18mMultiple Airlines
Wed 12/313:20 pmSXM - STL
1 stop21h 36mMultiple Airlines
Deal found 12/11$478
This Kiwi.com deal was found by Cheapflights users on 12/9. 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.
Tue 12/2311:51 amSTL - SXM
1 stop24h 24mSpirit Airlines
Wed 12/313:20 pmSXM - STL
1 stop21h 36mSpirit Airlines
Deal found 12/9$487
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 12/2511:51 amSTL - SXM
1 stop24h 24mSpirit Airlines
Mon 12/293:20 pmSXM - STL
1 stop21h 36mSpirit Airlines
Deal found 12/9$501
This Kiwi.com deal was found by Cheapflights users on 12/9. 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.
Tue 12/2311:51 amSTL - SXM
1 stop24h 24mSpirit Airlines
Mon 12/293:20 pmSXM - STL
1 stop21h 36mSpirit Airlines
Deal found 12/9$515
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 12/2811:51 amSTL - SXM
1 stop24h 24mSpirit Airlines
Wed 12/313:20 pmSXM - STL
1 stop21h 36mSpirit Airlines
Deal found 12/9$521

Find 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$392
(Frontier)

One-way from

$251
(Delta)

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 Lambert-St Louis to Saint Martin Island
Search Deals
One-way flight from Lambert-St Louis to Saint Martin Island
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($120 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 December 2025
Search Deals

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 December 12, 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

Tue 2/17

6:00 am-2:50 pm

1 stop6h 50m

Simpson Bay Princess Juliana

Tue 2/24

1:38 pm-7:22 pm

1 stop7h 44m

$465

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Tue 2/17

6:00 am-2:50 pm

1 stop6h 50m

Simpson Bay Princess Juliana

Wed 2/25

1:38 pm-11:36 pm

1 stop11h 58m

$465

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Wed 2/4

6:00 am-2:55 pm

1 stop6h 55m

Simpson Bay Princess Juliana

Thu 2/12

1:38 pm-8:41 pm

1 stop9h 03m

$465

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-8:37 pm

1 stop8h 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

Mon 2/16

6:00 am-2:50 pm

1 stop6h 50m

Simpson Bay Princess Juliana

Wed 2/25

1:38 pm-11:36 pm

1 stop11h 58m

$465

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Tue 1/20

6:00 am-2:55 pm

1 stop6h 55m

Simpson Bay Princess Juliana

Wed 1/28

1:55 pm-11:37 pm

1 stop11h 42m

$465

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Sun 1/18

3:54 pm-12:58 pm

2 stops19h 04m

Simpson Bay Princess Juliana

Fri 1/23

5:33 pm-9:08 am

1 stop17h 35m

$470

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Wed 2/18

11:55 am-12:13 pm

2 stops22h 18m

Simpson Bay Princess Juliana

Tue 2/24

1:38 pm-7:22 pm

1 stop7h 44m

$470

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Mon 2/16

6:00 am-2:50 pm

1 stop6h 50m

Simpson Bay Princess Juliana

Fri 2/27

4:15 pm-3:55 pm

2 stops25h 40m

$470

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 20 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, January is the cheapest month in which you can book a flight from St. Louis to Saint Martin Island (average of $489). Flying from St. Louis to Saint Martin Island in December is currently the most expensive (average of $683). 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.

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 December 12, 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
7.9
Good
8,007 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,050 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 50m. Delta provides one of the quickest options available for as low as $465. St. Louis and Saint Martin Island are separated by a distance of 2172 mi.

  • 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, January is the cheapest month in which you can book a flight from St. Louis to Saint Martin Island (average of $489). Flying from St. Louis to Saint Martin Island in December is currently the most expensive (average of $683). 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.
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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$497Average$657FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$560Average$730FlexibilityNo cancel feeOn-time71%

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