Saint Martin Island

$180+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SXM
Mar 27 — Apr 31
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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 February 25, 2026.

This Flightnetwork deal was found by Cheapflights users on 2/24. 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.
Mon 3/24:05 pm
STL
-
SXM
1 stop21h 55m
Air Canada
Tue 3/104:00 pm
SXM
-
STL
1 stop24h 29m
Air Canada
Deal found 2/24$345
This Air Canada deal was found by Cheapflights users on 2/24. 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.
Wed 6/32:20 pm
STL
-
SXM
1 stop22h 40m
Air Canada
Sat 6/133:05 pm
SXM
-
STL
1 stop22h 01m
Air Canada
Deal found 2/24$411
This Air Canada deal was found by Cheapflights users on 2/24. 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.
Fri 6/57:30 am
STL
-
SXM
1 stop29h 30m
Air Canada
Sat 6/133:05 pm
SXM
-
STL
1 stop22h 01m
Air Canada
Deal found 2/24$421
This Air Canada deal was found by Cheapflights users on 2/24. 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.
Wed 6/31:00 pm
STL
-
SXM
2 stops24h 00m
Air Canada
Thu 6/113:05 pm
SXM
-
STL
1 stop22h 01m
Air Canada
Deal found 2/24$424
This Air Canada deal was found by Cheapflights users on 2/24. 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.
Fri 5/11:00 pm
STL
-
SXM
2 stops24h 00m
Air Canada
Sat 5/162:55 pm
SXM
-
STL
1 stop22h 11m
Air Canada
Deal found 2/24$455
This Air Canada deal was found by Cheapflights users on 2/22. 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 3/244:05 pm
STL
-
SXM
1 stop21h 55m
Air Canada
Fri 3/274:00 pm
SXM
-
STL
1 stop24h 29m
Air Canada
Deal found 2/22$457
This Air Canada deal was found by Cheapflights users on 2/24. 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.
Fri 5/11:00 pm
STL
-
SXM
2 stops24h 00m
Air Canada
Thu 5/142:55 pm
SXM
-
STL
2 stops30h 30m
Air Canada
Deal found 2/24$459
This Air Canada deal was found by Cheapflights users on 2/22. 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.
Wed 3/254:05 pm
STL
-
SXM
2 stops20h 35m
Air Canada
Tue 3/314:00 pm
SXM
-
STL
1 stop24h 24m
Air Canada
Deal found 2/22$460
This Air Canada deal was found by Cheapflights users on 2/22. 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.
Mon 3/234:05 pm
STL
-
SXM
1 stop21h 55m
Air Canada
Tue 3/314:00 pm
SXM
-
STL
1 stop24h 24m
Air Canada
Deal found 2/22$468
This Delta deal was found by Cheapflights users on 2/24. 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.
Sun 5/36:00 am
STL
-
SXM
1 stop7h 05m
Delta
Fri 5/153:20 pm
SXM
-
STL
1 stop9h 39m
Delta
Deal found 2/24$473

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 February 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$411
(Air Canada)

One-way from

$180
(Booking.com)

Popular in

December

Cheapest in

September

Average price

$708
Provider with most accurate pricing for Lambert-St Louis-Simpson Bay Princess Juliana flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Simpson Bay Princess Juliana flights.
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. 9% potential increase in price ($68 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($28 potential savings vs. average RT price).
Average for round-trip flights in February 2026

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 February 25, 2026.
Use the filters below to find and compare flights from St. Louis to Saint Martin Island that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Tue 4/7

5:24 am-1:20 pm

1 stop6h 56m

Simpson Bay Princess Juliana

Tue 4/14

12:41 pm-10:24 pm

1 stop10h 43m

$473

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Mon 5/25

8:15 pm-2:43 pm

2 stops17h 28m

Simpson Bay Princess Juliana

Fri 5/29

3:50 pm-10:34 am

2 stops19h 44m

$486

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Sat 5/2

11:42 am-12:10 pm

2 stops23h 28m

Simpson Bay Princess Juliana

Thu 5/14

3:20 pm-8:10 am

1 stop17h 50m

$503

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Sun 5/3

1:02 pm-12:10 pm

2 stops22h 08m

Simpson Bay Princess Juliana

Mon 5/11

3:20 pm-8:10 am

1 stop17h 50m

$503

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Mon 5/4

9:59 am-12:10 pm

2 stops25h 11m

Simpson Bay Princess Juliana

Sat 5/16

3:35 pm-4:10 pm

2 stops25h 35m

$503

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Sat 5/9

6:53 pm-1:21 pm

1 stop17h 28m

Simpson Bay Princess Juliana

Sat 5/16

3:32 pm-8:30 am

1 stop17h 58m

$511

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Thu 4/16

6:55 pm-11:37 am

2 stops15h 42m

Simpson Bay Princess Juliana

Mon 4/20

4:35 pm-9:44 am

2 stops18h 09m

$520

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Sat 5/2

11:42 am-12:10 pm

2 stops23h 28m

Simpson Bay Princess Juliana

Sat 5/16

3:35 pm-4:10 pm

2 stops25h 35m

$528

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Thu 5/7

1:00 pm-2:05 pm

2 stops48h 05m

$180

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Thu 5/7

8:12 pm-1:30 pm

3 stops16h 18m

$208

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/24

Showing 1-10 of 13 resultsSorted by cheapest first
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 $465). 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 February 25, 2026.
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.

Crew

8.5

Comfort

7.9

Food

7.2

Overall

7.9

Boarding

8.1

Entertainment

7.8

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.

Crew

8.5

Comfort

7.9

Food

7.2

Overall

7.9

Boarding

8.1

Entertainment

7.8

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.

Crew

8.5

Comfort

7.9

Food

7.2

Overall

7.9

Boarding

8.1

Entertainment

7.8

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 56m. American Airlines provides one of the quickest options available for as low as $473. 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, January is the cheapest month in which you can book a flight from St. Louis to Saint Martin Island (average of $465). 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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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 February 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$497Average$607FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$554Average$682FlexibilityNo cancel feeOn-time71%

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