$204+ 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 6/26. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SXM
Jul 2 — Jul 91
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Saint Martin Island with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Saint Martin Island
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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 June 2, 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 June 2, 2026.
This Air Canada deal was found by Cheapflights users on 5/31. 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 6/52:15 pm
STL
- SXM
1 stop25h 45m
Air Canada
Sat 6/136:00 pm
SXM
- STL
1 stop19h 06m
Air Canada
Deal found 5/31![Air Canada logo]()
$413
This Air Canada deal was found by Cheapflights users on 5/28. 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 11/64:15 pm
STL
- SXM
2 stops19h 55m
Air Canada
Mon 11/93:35 pm
SXM
- STL
1 stop25h 55m
Air Canada
Deal found 5/28![Air Canada logo]()
$539
This Air Canada deal was found by Cheapflights users on 5/30. 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 11/274:15 pm
STL
- SXM
2 stops19h 55m
Air Canada
Tue 12/13:35 pm
SXM
- STL
1 stop25h 55m
Air Canada
Deal found 5/30![Air Canada logo]()
$558
This American Airlines deal was found by Cheapflights users on 5/31. 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 11/45:21 am
STL
- SXM
1 stop8h 59m
American Airlines
Wed 11/113:20 pm
SXM
- STL
1 stop9h 12m
American Airlines
Deal found 5/31![American Airlines logo]()
$570
This Southwest deal was found by Cheapflights users on 6/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/56:35 am
STL
- SXM
1 stop7h 55m
Southwest
Thu 7/92:25 pm
SXM
- STL
1 stop10h 45m
Southwest
Deal found 6/1![Southwest logo]()
$575
This American Airlines deal was found by Cheapflights users on 5/30. 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 6/295:16 am
STL
- SXM
1 stop9h 26m
American Airlines
Mon 7/61:34 pm
SXM
- STL
2 stops19h 57m
American Airlines
Deal found 5/30![American Airlines logo]()
$580
This Southwest deal was found by Cheapflights users on 5/31. 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 11/48:20 pm
STL
- SXM
2 stops17h 20m
Southwest
Wed 11/113:20 pm
SXM
- STL
2 stops22h 30m
Southwest
Deal found 5/31![Southwest logo]()
$582
This American Airlines deal was found by Cheapflights users on 5/31. 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 7/166:13 pm
STL
- SXM
2 stops18h 33m
American Airlines
Tue 7/212:51 pm
SXM
- STL
1 stop27h 30m
American Airlines
Deal found 5/31![American Airlines logo]()
$589
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 June 2, 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 June 2, 2026.
This Southwest deal was found by Cheapflights users on 6/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/56:35 am
STL
- SXM
1 stop7h 55m
Southwest
Thu 7/92:25 pm
SXM
- STL
1 stop10h 45m
Southwest
Deal found 6/1![Southwest logo]()
$575
This American Airlines deal was found by Cheapflights users on 6/1. 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.
Mon 7/205:10 am
STL
- SXM
1 stop7h 41m
American Airlines
Sat 7/251:34 pm
SXM
- STL
2 stops19h 59m
American Airlines
Deal found 6/1![American Airlines logo]()
$580
This Southwest deal was found by Cheapflights users on 6/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/138:10 pm
STL
- SXM
2 stops16h 50m
Southwest
Fri 7/172:25 pm
SXM
- STL
2 stops18h 20m
Southwest
Deal found 6/1![Southwest logo]()
$580
This American Airlines deal was found by Cheapflights users on 5/29. 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 6/175:14 am
STL
- SXM
1 stop7h 36m
American Airlines
Sun 6/214:43 pm
SXM
- STL
1 stop18h 52m
American Airlines
Deal found 5/29![American Airlines logo]()
$598
This Southwest deal was found by Cheapflights users on 5/31. 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 11/48:20 pm
STL
- SXM
2 stops17h 20m
Southwest
Wed 11/113:20 pm
SXM
- STL
2 stops22h 30m
Southwest
Deal found 5/31![Southwest logo]()
$582
This American Airlines deal was found by Cheapflights users on 6/1. 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 7/57:55 pm
STL
- SXM
2 stops18h 49m
American Airlines
Thu 7/94:45 pm
SXM
- STL
2 stops16h 48m
American Airlines
Deal found 6/1![American Airlines logo]()
$605
This American Airlines deal was found by Cheapflights users on 6/2. 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.
Mon 6/295:14 am
STL
- SXM
1 stop7h 36m
American Airlines
Mon 7/61:34 pm
SXM
- STL
2 stops19h 59m
American Airlines
Deal found 6/2![American Airlines logo]()
$625
Last-minute flights from St. Louis to Saint Martin IslandDiscover last-minute flight deals from St. Louis to Saint Martin Island. Data last updated June 2, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Saint Martin Island. Data last updated June 2, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 5/31. 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 6/52:15 pm
STL
- SXM
1 stop25h 45m
Air Canada
Sat 6/136:00 pm
SXM
- STL
1 stop19h 06m
Air Canada
Deal found 5/31![Air Canada logo]()
$413
This American Airlines deal was found by Cheapflights users on 5/29. 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 6/175:14 am
STL
- SXM
1 stop7h 36m
American Airlines
Sun 6/214:43 pm
SXM
- STL
1 stop18h 52m
American Airlines
Deal found 5/29![American Airlines logo]()
$598
This American Airlines deal was found by Cheapflights users on 5/31. 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 6/207:21 pm
STL
- SXM
2 stops19h 21m
American Airlines
Sat 6/274:43 pm
SXM
- STL
2 stops18h 54m
American Airlines
Deal found 5/31![American Airlines logo]()
$625
This American Airlines deal was found by Cheapflights users on 5/29. 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 6/295:40 pm
STL
- SXM
2 stops18h 42m
American Airlines
Mon 7/64:45 pm
SXM
- STL
2 stops18h 50m
American Airlines
Deal found 5/29![American Airlines logo]()
$580
This Southwest deal was found by Cheapflights users on 6/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/56:35 am
STL
- SXM
1 stop7h 55m
Southwest
Thu 7/92:25 pm
SXM
- STL
1 stop10h 45m
Southwest
Deal found 6/1![Southwest logo]()
$575
This American Airlines deal was found by Cheapflights users on 5/29. 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 7/55:58 pm
STL
- SXM
2 stops18h 48m
American Airlines
Thu 7/94:45 pm
SXM
- STL
2 stops18h 50m
American Airlines
Deal found 5/29![American Airlines logo]()
$605
This American Airlines deal was found by Cheapflights users on 5/31. 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 7/166:13 pm
STL
- SXM
2 stops18h 33m
American Airlines
Tue 7/212:51 pm
SXM
- STL
1 stop27h 30m
American Airlines
Deal found 5/31![American Airlines logo]()
$589
This American Airlines deal was found by Cheapflights users on 6/1. 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 7/265:10 am
STL
- SXM
1 stop7h 41m
American Airlines
Sat 8/12:46 pm
SXM
- STL
1 stop9h 46m
American Airlines
Deal found 6/1![American Airlines logo]()
$620
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 June 2, 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 June 2, 2026.
This Priceline deal was found by Cheapflights users on 5/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/264:17 pm
STL
- SXM
1 stop18h 06m
Frontier
Deal found 5/30![Frontier logo]()
$204
This American Airlines deal was found by Cheapflights users on 5/30. 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 6/285:16 am
STL
- SXM
1 stop9h 26m
American Airlines
Deal found 5/30![American Airlines logo]()
$243
This American Airlines deal was found by Cheapflights users on 5/30. 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 6/268:14 pm
STL
- SXM
2 stops16h 36m
American Airlines
Deal found 5/30![American Airlines logo]()
$249
This American Airlines deal was found by Cheapflights users on 5/30. 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 6/259:25 am
STL
- SXM
1 stop27h 25m
American Airlines
Deal found 5/30![American Airlines logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 5/30. 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 6/237:20 pm
STL
- SXM
3 stops41h 50m
Multiple Airlines
Deal found 5/30![Multiple Airlines logo]()
$467
This Kiwi.com deal was found by Cheapflights users on 6/1. 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.
Mon 6/157:03 pm
STL
- SXM
3 stops39h 24m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$500
This Kiwi.com deal was found by Cheapflights users on 5/30. 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 6/267:38 pm
STL
- SXM
3 stops38h 49m
Multiple Airlines
Deal found 5/30![Multiple Airlines logo]()
$534
This Kiwi.com deal was found by Cheapflights users on 5/30. 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 6/257:38 pm
STL
- SXM
3 stops36h 47m
Multiple Airlines
Deal found 5/30![Multiple Airlines logo]()
$644
This Kiwi.com deal was found by Cheapflights users on 5/28. 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 6/286:30 am
STL
- SXM
3 stops25h 00m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$667
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 June 2, 2026.
Round-trip from | $539 (Air Canada) |
|---|---|
One-way from | $204 (Priceline) |
Popular in | December |
Cheapest in | September |
Average price | $724 |
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 June 2, 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
Quickest round-trip
St. LouisSimpson Bay
STL - SXM
STLSXM
Lambert-St Louis
Sun 7/5
6:35 am-3:30 pm
1 stop7h 55m
Simpson Bay Princess Juliana
Thu 7/9
2:25 pm-12:10 am
1 stop10h 45m
$575
St. LouisSimpson Bay
STL - SXM
STLSXM
Lambert-St Louis
Mon 7/20
5:10 am-1:51 pm
1 stop7h 41m
Simpson Bay Princess Juliana
Sat 7/25
1:34 pm-8:33 am
2 stops19h 59m
$580
St. LouisSimpson Bay
STL - SXM
STLSXM
Lambert-St Louis
Mon 7/13
8:10 pm-2:00 pm
2 stops16h 50m
Simpson Bay Princess Juliana
Fri 7/17
2:25 pm-7:45 am
2 stops18h 20m
$580
St. LouisSimpson Bay
STL - SXM
STLSXM
Lambert-St Louis
Wed 11/4
8:20 pm-3:40 pm
2 stops17h 20m
Simpson Bay Princess Juliana
Wed 11/11
3:20 pm-11:50 am
2 stops22h 30m
$582
St. LouisSimpson Bay
STL - SXM
STLSXM
Lambert-St Louis
Wed 6/17
5:14 am-1:50 pm
1 stop7h 36m
Simpson Bay Princess Juliana
Sun 6/21
4:43 pm-10:35 am
1 stop18h 52m
$598
St. LouisSimpson Bay
STL - SXM
STLSXM
Lambert-St Louis
Sun 7/5
7:55 pm-3:44 pm
2 stops18h 49m
Simpson Bay Princess Juliana
Thu 7/9
4:45 pm-8:33 am
2 stops16h 48m
$605
St. LouisSimpson Bay
STL - SXM
STLSXM
Lambert-St Louis
Mon 6/29
5:14 am-1:50 pm
1 stop7h 36m
Simpson Bay Princess Juliana
Mon 7/6
1:34 pm-8:33 am
2 stops19h 59m
$625
Cheapest one-way
Quickest one-way
St. LouisSimpson Bay
STL - SXM
STLSXM
Lambert-St Louis
Tue 6/23
5:16 am-1:22 pm
1 stop7h 06m
$243
St. LouisSimpson Bay
STL - SXM
STLSXM
Lambert-St Louis
Sun 6/28
5:16 am-3:42 pm
1 stop9h 26m
$243
St. LouisSimpson Bay
STL - SXM
STLSXM
Lambert-St Louis
Mon 6/15
5:16 am-3:42 pm
1 stop9h 26m
$243
Showing 1-10 of 12 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, May is the cheapest month in which you can book a flight from St. Louis to Saint Martin Island (average of $441). 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 June 2, 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.
Comfort
7.8
Overall
7.9
Crew
8.5
Entertainment
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Overall
7.9
Crew
8.5
Entertainment
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Overall
7.9
Crew
8.5
Entertainment
7.8
Food
7.2
Boarding
8.1
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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Alternative routes for St. Louis to Saint Martin Island
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Complete your trip
Complete your trip to Saint Martin Island by adding a car rental and/or hotel reservation to your travel itinerary.
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 June 2, 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 June 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$473 | Average$614 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$553 | Average$695 | FlexibilityNo cancel fee | On-time71% |