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Cheap flights from St. Louis to Saint Martin Island from $497

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Saint Martin Island departing on 9/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from St. Louis to Saint Martin Island

Cheap round-trip flights

Delta Logo
6:01 am - 1:50 pmSTL-SXM
6h 49m1 stop
Delta Logo
3:20 pm - 11:24 pmSXM-STL
9h 04m1 stop
$497Delta
Find Deal
vie., sep. 12 - vie., sep. 19
American Airlines Logo
3:59 pm - 1:19 pmSTL-SXM
20h 20m2 stops
American Airlines Logo
2:20 pm - 11:57 amSXM-STL
22h 37m2 stops
$502American Airlines
Find Deal
sáb., sep. 6 - sáb., sep. 13
American Airlines Logo
5:28 am - 1:19 pmSTL-SXM
6h 51m1 stop
American Airlines Logo
2:20 pm - 12:51 pmSXM-STL
23h 31m2 stops
$507American Airlines
Find Deal
mié., sep. 17 - dom., sep. 21
Spirit Airlines Logo
12:20 pm - 3:10 pmSTL-SXM
24h 50m1 stop
Spirit Airlines Logo
4:28 pm - 11:01 amSXM-STL
20h 33m1 stop
$543Spirit Airlines
Find Deal
dom., ene. 18 - sáb., ene. 24
American Airlines Logo
5:28 am - 1:19 pmSTL-SXM
6h 51m1 stop
American Airlines Logo
2:20 pm - 11:59 pmSXM-STL
10h 39m1 stop
$570American Airlines
Find Deal
vie., sep. 26 - mar., sep. 30
Delta Logo
6:00 am - 1:49 pmSTL-SXM
6h 49m1 stop
Delta Logo
3:14 pm - 10:04 pmSXM-STL
7h 50m1 stop
$801Delta
Find Deal
sáb., oct. 11 - sáb., oct. 18
United Airlines Logo
9:55 am - 1:50 pmSTL-SXM
25h 55m2 stops
United Airlines Logo
4:55 pm - 10:27 amSXM-STL
19h 32m2 stops
$1,517United Airlines
Find Deal
sáb., dic. 27 - lun., ene. 5
United Airlines Logo
6:30 am - 3:57 pmSTL-SXM
7h 27m1 stop
United Airlines Logo
2:52 pm - 11:42 pmSXM-STL
10h 50m1 stop
$1,612United Airlines
Find Deal
dom., nov. 23 - mié., dic. 3
Air Canada Logo
4:05 pm - 4:00 pmSTL-SXM
21h 55m1 stop
Air Canada Logo
5:00 pm - 3:29 pmSXM-STL
24h 29m1 stop
$1,750Air Canada
Find Deal
mar., dic. 23 - lun., ene. 5
Air Canada Logo
4:05 pm - 4:00 pmSTL-SXM
21h 55m1 stop
Air Canada Logo
5:00 pm - 3:29 pmSXM-STL
24h 29m1 stop
$1,780Air Canada
Find Deal
jue., dic. 25 - lun., ene. 5

Delta flights from St. Louis to Saint Martin Island

Our best Delta deals on St. Louis to Saint Martin Island flight tickets
Delta
Sep 12
STL6:01 amLambert-St Louis
6h 49m
1 stop
SXM1:50 pmSimpson Bay Princess Juliana
Sep 19
SXM3:20 pmSimpson Bay Princess Juliana
9h 04m
1 stop
STL11:24 pmLambert-St Louis
$497
Find similar
Delta
Oct 11
STL6:00 amLambert-St Louis
6h 49m
1 stop
SXM1:49 pmSimpson Bay Princess Juliana
Oct 18
SXM3:14 pmSimpson Bay Princess Juliana
7h 50m
1 stop
STL10:04 pmLambert-St Louis
$801
Find similar
Delta
Aug 1
STL7:11 pmLambert-St Louis
17h 45m
1 stop
SXM1:56 pmSimpson Bay Princess Juliana
Aug 11
SXM3:21 pmSimpson Bay Princess Juliana
17h 51m
1 stop
STL8:12 amLambert-St Louis
$1,190
Find similar

American Airlines flights from St. Louis to Saint Martin Island

Our best American Airlines deals on St. Louis to Saint Martin Island flight tickets
American Airlines
Sep 6
STL3:59 pmLambert-St Louis
20h 20m
2 stops
SXM1:19 pmSimpson Bay Princess Juliana
Sep 13
SXM2:20 pmSimpson Bay Princess Juliana
22h 37m
2 stops
STL11:57 amLambert-St Louis
$502
Find similar
American Airlines
Sep 17
STL5:28 amLambert-St Louis
6h 51m
1 stop
SXM1:19 pmSimpson Bay Princess Juliana
Sep 21
SXM2:20 pmSimpson Bay Princess Juliana
23h 31m
2 stops
STL12:51 pmLambert-St Louis
$507
Find similar
American Airlines
Sep 26
STL5:28 amLambert-St Louis
6h 51m
1 stop
SXM1:19 pmSimpson Bay Princess Juliana
Sep 30
SXM2:20 pmSimpson Bay Princess Juliana
10h 39m
1 stop
STL11:59 pmLambert-St Louis
$570
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated julio 31, 2025.
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

vie. 9/12

6:01 am-1:50 pm

1 stop6h 49m

Simpson Bay Princess Juliana

vie. 9/19

3:20 pm-11:24 pm

1 stop9h 04m

$497

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

sáb. 9/6

3:59 pm-1:19 pm

2 stops20h 20m

Simpson Bay Princess Juliana

sáb. 9/13

2:20 pm-11:57 am

2 stops22h 37m

$502

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

mié. 9/17

5:28 am-1:19 pm

1 stop6h 51m

Simpson Bay Princess Juliana

dom. 9/21

2:20 pm-12:51 pm

2 stops23h 31m

$507

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

dom. 1/18

12:20 pm-3:10 pm

1 stop24h 50m

Simpson Bay Princess Juliana

sáb. 1/24

4:28 pm-11:01 am

1 stop20h 33m

$543

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

vie. 9/26

5:28 am-1:19 pm

1 stop6h 51m

Simpson Bay Princess Juliana

mar. 9/30

2:20 pm-11:59 pm

1 stop10h 39m

$570

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

sáb. 10/11

6:00 am-1:49 pm

1 stop6h 49m

Simpson Bay Princess Juliana

sáb. 10/18

3:14 pm-10:04 pm

1 stop7h 50m

$801

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

sáb. 12/27

9:55 am-1:50 pm

2 stops25h 55m

Simpson Bay Princess Juliana

lun. 1/5

4:55 pm-10:27 am

2 stops19h 32m

$1,517

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

dom. 11/23

6:30 am-3:57 pm

1 stop7h 27m

Simpson Bay Princess Juliana

mié. 12/3

2:52 pm-11:42 pm

1 stop10h 50m

$1,612

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

mar. 12/23

4:05 pm-4:00 pm

1 stop21h 55m

Simpson Bay Princess Juliana

lun. 1/5

5:00 pm-3:29 pm

1 stop24h 29m

$1,750

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

jue. 12/25

4:05 pm-4:00 pm

1 stop21h 55m

Simpson Bay Princess Juliana

lun. 1/5

5:00 pm-3:29 pm

1 stop24h 29m

$1,780

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Saint Martin Island from

How to get the cheapest flight ticket from St. Louis to Saint Martin Island

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Saint Martin Island?

The month of August is, on average, the cheapest month to fly to Saint Martin Island from St. Louis, with most prices found around $565. The month of May is another great option to travel to Saint Martin Island, with average flight prices from St. Louis averaging around $598.

What is the cheapest day to depart on your flight to Saint Martin Island?

On average, the least expensive day to fly to Saint Martin Island from St. Louis is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $592. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to Saint Martin Island for around $774.

What is the cheapest time of day to depart on your flight to Saint Martin Island?

Our most recent data shows that the best time of day to fly to Saint Martin Island is in the evening. Flights from St. Louis to Saint Martin Island during this time can be as low as $638. Flights to Saint Martin Island are more costly in the afternoon, with an average ticket price of $726. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Saint Martin Island?

You are more likely to see cheaper flights to Saint Martin Island from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Saint Martin Island for around $728 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Saint Martin Island from St. Louis for as low as $490 on momondo.

Can stopping save me money on St. Louis to Saint Martin Island flights?

No. A direct flight is the cheapest option for a flight between St. Louis to Saint Martin Island.

Cheap St. Louis to Saint Martin Island flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Saint Martin Island

Best Price Found

$497

Fastest flight time

6h 32m

Direct flights

None

Airports in Saint Martin Island

1 airport
The best flight deal from St. Louis to Saint Martin Island found on momondo in the last 72 hours is $497
The fastest flight from St. Louis to Saint Martin Island takes 6h 32m
There are no direct flights from St. Louis to Saint Martin Island. Popular non-direct route for this connection is Lambert-St Louis Airport - Simpson Bay Princess Juliana Airport.
There is 1 airport near Saint Martin Island: Simpson Bay Princess Juliana (SXM)
Search flight deals

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Saint Martin Island?

    Prices for flights from Lambert-St Louis Airport to Saint Martin Island refresh daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Saint Martin Island?

  • How old do you have to be to fly from Lambert-St Louis Airport to Saint Martin Island?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Saint Martin Island.

  • What documentation or ID do you need to fly to Saint Martin Island?

    The travel and health documents you'll need for your trip to Saint Martin Island may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Saint Martin Island. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from St. Louis to Saint Martin Island?

Best airlines flying from St. Louis to Saint Martin Island

Compare and see reviews for airlines that fly from St. Louis to Saint Martin Island with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $530Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $531Free CancellationRating
8.0
7,981 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Saint Martin Island?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Saint Martin Island. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from St. Louis to Saint Martin Island with flexible booking policies on momondo?

momondo does allow users to show only those flights to Saint Martin Island from St. Louis which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from St. Louis to Saint Martin Island?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Saint Martin Island from St. Louis.

I’m not ready to book a flight from St. Louis to Saint Martin Island right now. Can momondo alert me if prices change?

If you are not ready to book a flight from St. Louis to Saint Martin Island now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Saint Martin Island and let you know when they change.

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