$193+ 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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SXM
Aug 24 — Aug 311
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Saint Martin Island with Cheapflights
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Best
Last-minute
One-way
Cheapest flights from St. Louis to Saint Martin IslandExplore 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 25, 2026.
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 25, 2026.
This Orbitz deal was found by Cheapflights users on 7/20. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/254:05 pm
STL
- SXM
1 stop21h 40m
Air Canada
Sat 10/312:40 pm
SXM
- STL
2 stops26h 46m
Air Canada
Deal found 7/20![Air Canada logo]()
$437
This American Airlines deal was found by Cheapflights users on 7/21. 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.
Tue 8/185:57 pm
STL
- SXM
2 stops20h 42m
American Airlines
Tue 8/252:22 pm
SXM
- STL
2 stops19h 02m
American Airlines
Deal found 7/21![American Airlines logo]()
$470
This Orbitz deal was found by Cheapflights users on 7/24. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/304:05 pm
STL
- SXM
2 stops20h 35m
Air Canada
Wed 11/44:45 pm
SXM
- STL
1 stop24h 41m
Air Canada
Deal found 7/24![Air Canada logo]()
$502
This Air Canada deal was found by Cheapflights users on 7/23. 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 11/274:05 pm
STL
- SXM
2 stops20h 40m
Air Canada
Tue 12/14:45 pm
SXM
- STL
1 stop24h 41m
Air Canada
Deal found 7/23![Air Canada logo]()
$542
This Orbitz deal was found by Cheapflights users on 7/23. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/92:40 pm
STL
- SXM
1 stop25h 20m
Air Canada
Thu 10/156:00 pm
SXM
- STL
1 stop21h 00m
Air Canada
Deal found 7/23![Air Canada logo]()
$556
This American Airlines deal was found by Cheapflights users on 7/20. 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.
Mon 8/175:00 am
STL
- SXM
1 stop7h 22m
American Airlines
Mon 8/242:22 pm
SXM
- STL
1 stop9h 18m
American Airlines
Deal found 7/20![American Airlines logo]()
$564
Best flights from St. Louis to Saint Martin IslandDiscover carefully curated flight deals from St. Louis to Saint Martin Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 25, 2026.
Discover carefully curated flight deals from St. Louis to Saint Martin Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 25, 2026.
This Orbitz deal was found by Cheapflights users on 7/24. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/304:05 pm
STL
- SXM
2 stops20h 35m
Air Canada
Wed 11/44:45 pm
SXM
- STL
1 stop24h 41m
Air Canada
Deal found 7/24![Air Canada logo]()
$502
This Southwest deal was found by Cheapflights users on 7/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:10 am
STL
- SXM
1 stop7h 55m
Southwest
Mon 8/313:05 pm
SXM
- STL
1 stop8h 20m
Southwest
Deal found 7/24![Southwest logo]()
$580
This American Airlines deal was found by Cheapflights users on 7/20. 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.
Fri 8/145:00 am
STL
- SXM
1 stop7h 22m
American Airlines
Wed 8/192:22 pm
SXM
- STL
2 stops19h 02m
American Airlines
Deal found 7/20![American Airlines logo]()
$585
This American Airlines deal was found by Cheapflights users on 7/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/26:35 pm
STL
- SXM
1 stop17h 24m
American Airlines
Fri 1/82:03 pm
SXM
- STL
1 stop11h 56m
American Airlines
Deal found 7/24![American Airlines logo]()
$602
This Southwest deal was found by Cheapflights users on 7/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:45 pm
STL
- SXM
2 stops16h 20m
Southwest
Sat 9/121:55 pm
SXM
- STL
1 stop7h 55m
Southwest
Deal found 7/24![Southwest logo]()
$610
This Southwest deal was found by Cheapflights users on 7/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:45 pm
STL
- SXM
2 stops16h 20m
Southwest
Sun 9/133:05 pm
SXM
- STL
1 stop9h 25m
Southwest
Deal found 7/23![Southwest logo]()
$610
This American Airlines deal was found by Cheapflights users on 7/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/243:25 pm
STL
- SXM
2 stops20h 57m
American Airlines
Mon 8/314:39 pm
SXM
- STL
2 stops18h 35m
American Airlines
Deal found 7/24![American Airlines logo]()
$635
This American Airlines deal was found by Cheapflights users on 7/23. 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.
Thu 9/245:00 am
STL
- SXM
1 stop7h 23m
American Airlines
Mon 9/282:23 pm
SXM
- STL
2 stops19h 23m
American Airlines
Deal found 7/23![American Airlines logo]()
$668
This Southwest deal was found by Cheapflights users on 7/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/295:00 am
STL
- SXM
1 stop8h 40m
Southwest
Tue 1/53:20 pm
SXM
- STL
2 stops18h 20m
Southwest
Deal found 7/21![Southwest logo]()
$682
Last-minute flights from St. Louis to Saint Martin IslandDiscover last-minute flight deals from St. Louis to Saint Martin Island. Data last updated July 25, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Saint Martin Island. Data last updated July 25, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 7/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/316:01 am
STL
- SXM
1 stop7h 42m
United Airlines
Fri 8/71:35 pm
SXM
- STL
1 stop11h 09m
United Airlines
Deal found 7/24![United Airlines logo]()
$875
This American Airlines deal was found by Cheapflights users on 7/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/133:25 pm
STL
- SXM
2 stops20h 57m
American Airlines
Sun 8/162:22 pm
SXM
- STL
2 stops20h 10m
American Airlines
Deal found 7/22![American Airlines logo]()
$689
This American Airlines deal was found by Cheapflights users on 7/20. 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.
Fri 8/145:00 am
STL
- SXM
1 stop7h 22m
American Airlines
Wed 8/192:22 pm
SXM
- STL
2 stops19h 02m
American Airlines
Deal found 7/20![American Airlines logo]()
$585
This American Airlines deal was found by Cheapflights users on 7/20. 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.
Mon 8/175:00 am
STL
- SXM
1 stop7h 22m
American Airlines
Mon 8/242:22 pm
SXM
- STL
1 stop9h 18m
American Airlines
Deal found 7/20![American Airlines logo]()
$564
This American Airlines deal was found by Cheapflights users on 7/21. 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.
Tue 8/185:57 pm
STL
- SXM
2 stops20h 42m
American Airlines
Tue 8/252:22 pm
SXM
- STL
2 stops19h 02m
American Airlines
Deal found 7/21![American Airlines logo]()
$470
This Southwest deal was found by Cheapflights users on 7/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:10 am
STL
- SXM
1 stop7h 55m
Southwest
Mon 8/313:05 pm
SXM
- STL
1 stop8h 20m
Southwest
Deal found 7/24![Southwest logo]()
$580
This American Airlines deal was found by Cheapflights users on 7/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/243:25 pm
STL
- SXM
2 stops20h 57m
American Airlines
Mon 8/314:39 pm
SXM
- STL
2 stops18h 35m
American Airlines
Deal found 7/24![American Airlines logo]()
$635
One-way flights from St. Louis to Saint Martin IslandSearch for one-way flight options from St. Louis to Saint Martin Island. Find affordable one-way fares based on user searches. Data last updated July 25, 2026.
Search for one-way flight options from St. Louis to Saint Martin Island. Find affordable one-way fares based on user searches. Data last updated July 25, 2026.
This American Airlines deal was found by Cheapflights users on 7/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/137:03 am
STL
- SXM
1 stop7h 25m
American Airlines
Deal found 7/22![American Airlines logo]()
$193
This Southwest deal was found by Cheapflights users on 7/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/137:00 pm
STL
- SXM
2 stops17h 35m
Southwest
Deal found 7/22![Southwest logo]()
$200
This Air Canada deal was found by Cheapflights users on 7/25. 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 1/134:05 pm
STL
- SXM
2 stops20h 40m
Air Canada
Deal found 7/25![Air Canada logo]()
$267
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Tue 12/228:05 am
STL
- SXM
2 stops27h 45m
United Airlines
Deal found 7/20![United Airlines logo]()
$484
This Kiwi.com deal was found by Cheapflights users on 7/20. 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.
Wed 1/132:00 pm
STL
- SXM
3 stops47h 21m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$502
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 12/226:05 pm
STL
- SXM
3 stops42h 20m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$592
This American Airlines deal was found by Cheapflights users on 7/20. 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.
Tue 12/225:00 am
STL
- SXM
1 stop6h 59m
American Airlines
Deal found 7/20![American Airlines logo]()
$594
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 July 25, 2026.
Round-trip from | $437 (Orbitz) |
|---|---|
One-way from | $193 (American Airlines) |
Popular in | December |
Cheapest in | October |
Average price | $953 |
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 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
Cheapest round-trip
St. LouisSimpson Bay
STL - SXM
STLSXM
Lambert-St Louis
Fri 10/30
4:05 pm-1:40 pm
2 stops20h 35m
Simpson Bay Princess Juliana
Wed 11/4
4:45 pm-3:26 pm
1 stop24h 41m
$502
Quickest round-trip
St. LouisSimpson Bay
STL - SXM
STLSXM
Lambert-St Louis
Mon 8/24
5:10 am-2:05 pm
1 stop7h 55m
Simpson Bay Princess Juliana
Mon 8/31
3:05 pm-10:25 pm
1 stop8h 20m
$580
St. LouisSimpson Bay
STL - SXM
STLSXM
Lambert-St Louis
Fri 8/14
5:00 am-1:22 pm
1 stop7h 22m
Simpson Bay Princess Juliana
Wed 8/19
2:22 pm-8:24 am
2 stops19h 02m
$585
St. LouisSimpson Bay
STL - SXM
STLSXM
Lambert-St Louis
Sat 1/2
6:35 pm-1:59 pm
1 stop17h 24m
Simpson Bay Princess Juliana
Fri 1/8
2:03 pm-11:59 pm
1 stop11h 56m
$602
St. LouisSimpson Bay
STL - SXM
STLSXM
Lambert-St Louis
Wed 9/9
8:45 pm-2:05 pm
2 stops16h 20m
Simpson Bay Princess Juliana
Sat 9/12
1:55 pm-8:50 pm
1 stop7h 55m
$610
St. LouisSimpson Bay
STL - SXM
STLSXM
Lambert-St Louis
Wed 9/9
8:45 pm-2:05 pm
2 stops16h 20m
Simpson Bay Princess Juliana
Sun 9/13
3:05 pm-11:30 pm
1 stop9h 25m
$610
St. LouisSimpson Bay
STL - SXM
STLSXM
Lambert-St Louis
Mon 8/24
3:25 pm-1:22 pm
2 stops20h 57m
Simpson Bay Princess Juliana
Mon 8/31
4:39 pm-10:14 am
2 stops18h 35m
$635
St. LouisSimpson Bay
STL - SXM
STLSXM
Lambert-St Louis
Thu 9/24
5:00 am-1:23 pm
1 stop7h 23m
Simpson Bay Princess Juliana
Mon 9/28
2:23 pm-8:46 am
2 stops19h 23m
$668
St. LouisSimpson Bay
STL - SXM
STLSXM
Lambert-St Louis
Tue 12/29
5:00 am-3:40 pm
1 stop8h 40m
Simpson Bay Princess Juliana
Tue 1/5
3:20 pm-7:40 am
2 stops18h 20m
$682
Cheapest one-way
St. LouisSimpson Bay
STL - SXM
STLSXM
Lambert-St Louis
Wed 1/13
7:03 am-4:28 pm
1 stop7h 25m
$193
Showing 1-10 of 15 resultsSorted by cheapest first
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.
STL-SXM
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
STL-zzSCH
STL-SXM
What is the cheapest month to book a flight from St. Louis to Saint Martin Island?
Currently, October is the cheapest month in which you can book a flight from St. Louis to Saint Martin Island (average of $497). Flying from St. Louis to Saint Martin Island in December is currently the most expensive (average of $969). 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 July 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.
Boarding
8.1
Entertainment
7.8
Food
7.2
Overall
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Entertainment
7.8
Food
7.2
Overall
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Entertainment
7.8
Food
7.2
Overall
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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.
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Complete your trip
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Search flights from St. Louis to Saint Martin Island by cabin class
Find flights from St. Louis to Saint Martin Island, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Saint Martin Island flights
Browse other St. Louis and Saint Martin Island flight options. Last updated on July 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$473 | Average$615 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$553 | Average$691 | FlexibilityNo cancel fee | On-time71% |