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Cheap flights from St. Louis to Saint Martin Island from $519

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 1/13. 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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Find the cheapest flights from St. Louis to Saint Martin Island

Cheap round-trip flights

Multiple Airlines Logo
4:05 pm - 4:00 pmSTL-SXM
21h 55m1 stop
Multiple Airlines Logo
4:28 pm - 1:53 pmSXM-STL
23h 25m1 stop
$519Multiple Airlines
Find Deal
Tue, Jan 13 - Fri, Jan 23
American Airlines Logo
3:03 pm - 1:37 pmSTL-SXM
21h 34m2 stops
American Airlines Logo
3:20 pm - 8:09 amSXM-STL
18h 49m2 stops
$522American Airlines
Find Deal
Wed, Oct 29 - Wed, Nov 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
$527Air Canada
Find Deal
Tue, Jan 13 - Fri, Jan 23
Multiple Airlines Logo
7:15 pm - 7:30 pmSTL-SXM
23h 15m3 stops
Multiple Airlines Logo
3:05 pm - 4:35 pmSXM-STL
26h 30m3 stops
$535Multiple Airlines
Find Deal
Sat, Oct 11 - Sat, Oct 18
Air Canada Logo
4:05 pm - 2:40 pmSTL-SXM
44h 35m2 stops
Air Canada Logo
5:00 pm - 3:29 pmSXM-STL
24h 29m1 stop
$537Air Canada
Find Deal
Sun, Jan 18 - Fri, Jan 23
Multiple Airlines Logo
9:50 am - 2:00 pmSTL-SXM
27h 10m3 stops
Multiple Airlines Logo
3:05 pm - 12:00 pmSXM-STL
21h 55m3 stops
$580Multiple Airlines
Find Deal
Thu, Oct 2 - Mon, Oct 6
American Airlines Logo
5:23 am - 1:55 pmSTL-SXM
6h 32m1 stop
American Airlines Logo
3:20 pm - 9:48 pmSXM-STL
8h 28m1 stop
$583American Airlines
Find Deal
Tue, Jan 6 - Tue, Jan 13
American Airlines Logo
5:54 pm - 1:55 pmSTL-SXM
18h 01m2 stops
American Airlines Logo
3:20 pm - 11:46 pmSXM-STL
10h 26m1 stop
$588American Airlines
Find Deal
Tue, Jan 13 - Fri, Jan 23
United Airlines Logo
6:30 am - 3:57 pmSTL-SXM
7h 27m1 stop
United Airlines Logo
5:00 pm - 9:48 amSXM-STL
18h 48m1 stop
$633United Airlines
Find Deal
Sat, Jan 31 - Sat, Feb 7
Delta Logo
6:00 am - 1:49 pmSTL-SXM
6h 49m1 stop
Delta Logo
4:14 pm - 10:04 pmSXM-STL
7h 50m1 stop
$3,352Delta
Find Deal
Fri, Oct 31 - Wed, Nov 5

Air Canada flights from St. Louis to Saint Martin Island

Our best Air Canada deals on St. Louis to Saint Martin Island flight tickets
Air Canada
Jan 13
STL4:05 pmLambert-St Louis
21h 55m
1 stop
SXM4:00 pmSimpson Bay Princess Juliana
Jan 23
SXM5:00 pmSimpson Bay Princess Juliana
24h 29m
1 stop
STL3:29 pmLambert-St Louis
$527
Find similar
Air Canada
Jan 18
STL4:05 pmLambert-St Louis
44h 35m
2 stops
SXM2:40 pmSimpson Bay Princess Juliana
Jan 23
SXM5:00 pmSimpson Bay Princess Juliana
24h 29m
1 stop
STL3:29 pmLambert-St Louis
$537
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
Oct 29
STL3:03 pmLambert-St Louis
21h 34m
2 stops
SXM1:37 pmSimpson Bay Princess Juliana
Nov 5
SXM3:20 pmSimpson Bay Princess Juliana
18h 49m
2 stops
STL8:09 amLambert-St Louis
$522
Find similar
American Airlines
Jan 6
STL5:23 amLambert-St Louis
6h 32m
1 stop
SXM1:55 pmSimpson Bay Princess Juliana
Jan 13
SXM3:20 pmSimpson Bay Princess Juliana
8h 28m
1 stop
STL9:48 pmLambert-St Louis
$583
Find similar
American Airlines
Jan 13
STL5:54 pmLambert-St Louis
18h 01m
2 stops
SXM1:55 pmSimpson Bay Princess Juliana
Jan 23
SXM3:20 pmSimpson Bay Princess Juliana
10h 26m
1 stop
STL11:46 pmLambert-St Louis
$588
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 September 16, 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

Tue 1/13

4:05 pm-4:00 pm

1 stop21h 55m

Simpson Bay Princess Juliana

Fri 1/23

4:28 pm-1:53 pm

1 stop23h 25m

$519

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Wed 10/29

3:03 pm-1:37 pm

2 stops21h 34m

Simpson Bay Princess Juliana

Wed 11/5

3:20 pm-8:09 am

2 stops18h 49m

$522

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Tue 1/13

4:05 pm-4:00 pm

1 stop21h 55m

Simpson Bay Princess Juliana

Fri 1/23

5:00 pm-3:29 pm

1 stop24h 29m

$527

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Sat 10/11

7:15 pm-7:30 pm

3 stops23h 15m

Simpson Bay Princess Juliana

Sat 10/18

3:05 pm-4:35 pm

3 stops26h 30m

$535

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Sun 1/18

4:05 pm-2:40 pm

2 stops44h 35m

Simpson Bay Princess Juliana

Fri 1/23

5:00 pm-3:29 pm

1 stop24h 29m

$537

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Thu 10/2

9:50 am-2:00 pm

3 stops27h 10m

Simpson Bay Princess Juliana

Mon 10/6

3:05 pm-12:00 pm

3 stops21h 55m

$580

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Tue 1/6

5:23 am-1:55 pm

1 stop6h 32m

Simpson Bay Princess Juliana

Tue 1/13

3:20 pm-9:48 pm

1 stop8h 28m

$583

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Tue 1/13

5:54 pm-1:55 pm

2 stops18h 01m

Simpson Bay Princess Juliana

Fri 1/23

3:20 pm-11:46 pm

1 stop10h 26m

$588

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Sat 1/31

6:30 am-3:57 pm

1 stop7h 27m

Simpson Bay Princess Juliana

Sat 2/7

5:00 pm-9:48 am

1 stop18h 48m

$633

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Fri 10/31

6:00 am-1:49 pm

1 stop6h 49m

Simpson Bay Princess Juliana

Wed 11/5

4:14 pm-10:04 pm

1 stop7h 50m

$3,352

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 $563. The month of July is another great option to travel to Saint Martin Island, with average flight prices from St. Louis averaging around $623.

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 $729 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 $600 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

Direct flights

None
There are no direct flights from St. Louis to Saint Martin Island. There are no popular flight routes from St. Louis to Saint Martin Island.
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
DeltaPriceFrom $497Free CancellationRating
7.9
7,957 reviews
Search Delta flights
American AirlinesPriceFrom $540Free CancellationRating
7.2
10,000 reviews
Search American Airlines 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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