What is the cheapest airline that flies from Lambert-St Louis to Saint Martin Island?

American Airlines, Air Canada, and Southwest are the most popular carriers operating from Lambert-St Louis to Saint Martin Island

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?

The number of operators available for flights from Lambert-St Louis Airport to Saint Martin Island is 2 as of May 2026.

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.

$238 Cheap Flights from St. Louis to Saint Martin Island in 2026

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

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:33 pm - 11:23 am

STL

SXM

16h 50m

2 stops

12:43 pm - 12:14 am

SXM

STL

12h 31m

1 stop

$549Frontier

Fri, Aug 28 - Sat, Sep 5

5:40 pm - 12:40 pm

STL

SXM

18h 00m

1 stop

2:53 pm - 11:44 pm

SXM

STL

9h 51m

1 stop

$575American Airlines

Sun, Jun 7 - Fri, Jun 12

8:14 pm - 1:50 pm

STL

SXM

16h 36m

2 stops

2:53 pm - 11:44 pm

SXM

STL

9h 51m

1 stop

$580American Airlines

Sun, Jun 7 - Fri, Jun 12

4:10 pm - 11:23 am

STL

SXM

18h 13m

1 stop

12:43 pm - 12:14 am

SXM

STL

12h 31m

1 stop

$592Frontier

Fri, Aug 28 - Sat, Sep 5

5:14 am - 1:50 pm

STL

SXM

7h 36m

1 stop

2:53 pm - 8:32 am

SXM

STL

18h 39m

1 stop

$594American Airlines

Wed, Jun 17 - Sun, Jun 21

6:00 am - 1:53 pm

STL

SXM

6h 53m

1 stop

3:18 pm - 8:08 am

SXM

STL

17h 50m

1 stop

$595Delta

Mon, Aug 3 - Thu, Aug 13

6:00 am - 1:53 pm

STL

SXM

6h 53m

1 stop

3:18 pm - 11:56 pm

SXM

STL

9h 38m

1 stop

$600Delta

Mon, Jun 22 - Thu, Jul 2

4:15 pm - 1:10 pm

STL

SXM

19h 55m

2 stops

3:35 pm - 3:30 pm

SXM

STL

25h 55m

1 stop

$601Air Canada

Fri, Oct 30 - Wed, Nov 4

7:55 pm - 3:44 pm

STL

SXM

18h 49m

2 stops

2:19 pm - 12:16 am

SXM

STL

10h 57m

2 stops

$605American Airlines

Sun, Jul 5 - Thu, Jul 9

5:00 am - 3:39 pm

STL

SXM

9h 39m

1 stop

4:39 pm - 10:45 am

SXM

STL

19h 06m

1 stop

$612American Airlines

Wed, Aug 5 - Wed, Aug 12

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

Jun 7

STL5:40 pmLambert-St Louis

18h 00m

1 stop

SXM12:40 pmSimpson Bay Princess Juliana

Jun 12

SXM2:53 pmSimpson Bay Princess Juliana

9h 51m

1 stop

STL11:44 pmLambert-St Louis

$575

American Airlines

Jun 7

STL8:14 pmLambert-St Louis

16h 36m

2 stops

SXM1:50 pmSimpson Bay Princess Juliana

Jun 12

SXM2:53 pmSimpson Bay Princess Juliana

9h 51m

1 stop

STL11:44 pmLambert-St Louis

$580

American Airlines

Jun 17

STL5:14 amLambert-St Louis

7h 36m

1 stop

SXM1:50 pmSimpson Bay Princess Juliana

Jun 21

SXM2:53 pmSimpson Bay Princess Juliana

18h 39m

1 stop

STL8:32 amLambert-St Louis

$594

Delta flights from St. Louis to Saint Martin Island

Our best Delta deals on St. Louis to Saint Martin Island flight tickets

Delta

Aug 3

STL6:00 amLambert-St Louis

6h 53m

1 stop

SXM1:53 pmSimpson Bay Princess Juliana

Aug 13

SXM3:18 pmSimpson Bay Princess Juliana

17h 50m

1 stop

STL8:08 amLambert-St Louis

$595

Delta

Jun 22

STL6:00 amLambert-St Louis

6h 53m

1 stop

SXM1:53 pmSimpson Bay Princess Juliana

Jul 2

SXM3:18 pmSimpson Bay Princess Juliana

9h 38m

1 stop

STL11:56 pmLambert-St Louis

$600

Delta

Aug 7

STL6:00 amLambert-St Louis

6h 53m

1 stop

SXM1:53 pmSimpson Bay Princess Juliana

Aug 13

SXM3:18 pmSimpson Bay Princess Juliana

17h 50m

1 stop

STL8:08 amLambert-St Louis

$615

momondo Fare Finder

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

Cheapest round-trip

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Fri 8/28

5:33 pm-11:23 am

2 stops16h 50m

Simpson Bay Princess Juliana

Sat 9/5

12:43 pm-12:14 am

1 stop12h 31m

$549

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Sun 6/7

5:40 pm-12:40 pm

1 stop18h 00m

Simpson Bay Princess Juliana

Fri 6/12

2:53 pm-11:44 pm

1 stop9h 51m

$575

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Sun 6/7

8:14 pm-1:50 pm

2 stops16h 36m

Simpson Bay Princess Juliana

Fri 6/12

2:53 pm-11:44 pm

1 stop9h 51m

$580

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Fri 8/28

4:10 pm-11:23 am

1 stop18h 13m

Simpson Bay Princess Juliana

Sat 9/5

12:43 pm-12:14 am

1 stop12h 31m

$592

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

2:53 pm-8:32 am

1 stop18h 39m

$594

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Mon 8/3

6:00 am-1:53 pm

1 stop6h 53m

Simpson Bay Princess Juliana

Thu 8/13

3:18 pm-8:08 am

1 stop17h 50m

$595

Quickest round-trip

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Mon 6/22

6:00 am-1:53 pm

1 stop6h 53m

Simpson Bay Princess Juliana

Thu 7/2

3:18 pm-11:56 pm

1 stop9h 38m

$600

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Fri 10/30

4:15 pm-1:10 pm

2 stops19h 55m

Simpson Bay Princess Juliana

Wed 11/4

3:35 pm-3:30 pm

1 stop25h 55m

$601

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

2:19 pm-12:16 am

2 stops10h 57m

$605

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Wed 8/5

5:00 am-3:39 pm

1 stop9h 39m

Simpson Bay Princess Juliana

Wed 8/12

4:39 pm-10:45 am

1 stop19h 06m

$612

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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

The month of May is, on average, the cheapest month to fly to Saint Martin Island from St. Louis, with most prices found around $441. The month of January is another great option to travel to Saint Martin Island, with average flight prices from St. Louis averaging around $465.

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

Fastest flight time	6h 45m
Direct flights	None

The fastest flight from St. Louis to Saint Martin Island takes 6h 45m

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

Frequently asked questions about flying from St. Louis to Saint Martin Island

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?
The number of operators available for flights from Lambert-St Louis Airport to Saint Martin Island is 2 as of May 2026.
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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from St. Louis to Saint Martin Island is Boeing 737 MAX 8 (25.81% of total bookings). The next most popular plane models are Boeing 737-800 Passenger/BBJ2 (winglets) (18.18%), Embraer 175 (7.19%), and Airbus A319 (6.05%).

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
Delta	PriceFrom $473	Free Cancellation	Rating 7.9 8,451 reviews		Search Delta flights
American Airlines	PriceFrom $553	Free Cancellation	Rating 7.1 11,641 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.