STL - SXM

$187 Find Cheap Flights from St. Louis to Simpson Bay - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$374
Typical prices: $587-$868
Air Canada
Tue 10/16Mon 10/22
STL - SXM • 1 stop
Cheapest one-way
$187
Typical prices: $261-$331
American Airlines
Sat 1/13
STL - SXM • 1 stop
Nonstop flights
There are currently no direct flights between St. Louis and Simpson Bay. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
Cheapest • 27% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $563 (round-trip)
Shortest trip • 7h 53m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from St. Louis to Simpson Bay (STL-SXM)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Simpson Bay

Fri, Oct 16 - Thu, Oct 22
Air Canada Logo
2:40 pm - 5:00 pmSTL  Lambert-St Louis-SXM Simpson Bay Princess Juliana
25h 20m1 stop Toronto Pearson Intl
Air Canada Logo
6:00 pm - 2:00 pmSXM  Simpson Bay Princess Juliana-STL Lambert-St Louis
21h 00m1 stop Toronto Pearson Intl
$374Air Canada
Fri, Oct 16 - Thu, Oct 22
Air Canada Logo
2:40 pm - 5:00 pmSTL  Lambert-St Louis-SXM Simpson Bay Princess Juliana
25h 20m1 stop Toronto Pearson Intl
Air Canada Logo
6:00 pm - 6:41 pmSXM  Simpson Bay Princess Juliana-STL Lambert-St Louis
25h 41m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
$383Air Canada
Fri, Oct 16 - Thu, Oct 22
Air Canada Logo
2:40 pm - 5:00 pmSTL  Lambert-St Louis-SXM Simpson Bay Princess Juliana
25h 20m1 stop Toronto Pearson Intl
Air Canada Logo
6:00 pm - 2:00 pmSXM  Simpson Bay Princess Juliana-STL Lambert-St Louis
21h 00m1 stop Toronto Pearson Intl
$389Air Canada
Sat, Nov 21 - Fri, Nov 27
Air Canada Logo
4:05 pm - 3:45 pmSTL  Lambert-St Louis-SXM Simpson Bay Princess Juliana
21h 40m1 stop Toronto Pearson Intl
Air Canada Logo
4:45 pm - 3:26 pmSXM  Simpson Bay Princess Juliana-STL Lambert-St Louis
24h 41m1 stop Toronto Pearson Intl
$389Air Canada
Sat, Jan 2 - Fri, Jan 8
American Airlines Logo
8:07 pm - 2:29 pmSTL  Lambert-St Louis-SXM Simpson Bay Princess Juliana
16h 22m2 stops Chicago O'Hare Intl Charlotte Douglas
American Airlines Logo
4:02 pm - 10:06 pmSXM  Simpson Bay Princess Juliana-STL Lambert-St Louis
8h 04m1 stop Charlotte Douglas
$551American Airlines
Sat, Jan 2 - Fri, Jan 8
American Airlines Logo
8:07 pm - 4:30 pmSTL  Lambert-St Louis-SXM Simpson Bay Princess Juliana
18h 23m2 stops Chicago O'Hare Intl Miami
American Airlines Logo
5:33 pm - 9:51 amSXM  Simpson Bay Princess Juliana-STL Lambert-St Louis
18h 18m2 stops Miami Charlotte Douglas
$551American Airlines
Fri, Oct 16 - Thu, Oct 22
American Airlines Logo
5:40 pm - 1:23 pmSTL  Lambert-St Louis-SXM Simpson Bay Princess Juliana
18h 43m2 stops Philadelphia Miami
American Airlines Logo
4:39 pm - 10:41 amSXM  Simpson Bay Princess Juliana-STL Lambert-St Louis
19h 02m2 stops Miami Philadelphia
$579American Airlines
Sat, Jan 2 - Fri, Jan 8
American Airlines Logo
6:00 am - 3:30 pmSTL  Lambert-St Louis-SXM Simpson Bay Princess Juliana
7h 30m1 stop Chicago O'Hare Intl
American Airlines Logo
4:02 pm - 10:06 pmSXM  Simpson Bay Princess Juliana-STL Lambert-St Louis
8h 04m1 stop Charlotte Douglas
$581American Airlines
Fri, Dec 4 - Wed, Dec 9
Delta Logo
6:00 am - 2:40 pmSTL  Lambert-St Louis-SXM Simpson Bay Princess Juliana
6h 40m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:05 pm - 12:05 amSXM  Simpson Bay Princess Juliana-STL Lambert-St Louis
10h 00m1 stop Atlanta Hartsfield-Jackson
$617Delta
Wed, Oct 28 - Wed, Nov 4
Delta Logo
6:00 am - 1:40 pmSTL  Lambert-St Louis-SXM Simpson Bay Princess Juliana
6h 40m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:05 pm - 9:59 pmSXM  Simpson Bay Princess Juliana-STL Lambert-St Louis
7h 54m1 stop Atlanta Hartsfield-Jackson
$645Delta
Booking Insights

Price, demand and travel trends for St. Louis to Simpson Bay flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from St. Louis to Simpson Bay with more confidence.

How much is a round-trip flight from St. Louis to Simpson Bay?

Round-trip flights from St. Louis to Simpson Bay start at $374. Prices are below average for this route right now, with typical round-trip fares ranging from $587 to $868. The lowest price found in the past 5 days was $374 on Air Canada.

What's the cheapest day of the week to fly from St. Louis to Simpson Bay?

Tuesday is the cheapest day of the week to fly from St. Louis to Simpson Bay, it is 8% cheaper than the average day. Monday is the most expensive day with flight prices 14% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from St. Louis to Simpson Bay?

  • September is the cheapest month to fly from St. Louis to Simpson Bay at $497 round-trip.
  • December ($969) and March ($782) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 94% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Key details for St. Louis to Simpson Bay flights

Low season

September

Cheapest flight

$187
Best time to beat the crowds with an average 27% drop in price.
Most popular time to fly with an average 42% increase in price.
Flight from St. Louis to Simpson Bay

When to book flights from St. Louis to Simpson Bay

Are your dates flexible? Find out the best times to travel from St. Louis to Simpson Bay based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your St. Louis to Simpson Bay flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from St. Louis to Simpson Bay?

    Flights from St. Louis to Simpson Bay usually depart from Lambert-St Louis (STL) and arrive at Simpson Bay Princess Juliana (SXM).

  • What cabin classes can I book on flights from St. Louis to Simpson Bay?

    Two cabin classes are available on flights from St. Louis to Simpson Bay:

    • Economy Class
    • First Class

  • Which airports do connecting flights from St. Louis to Simpson Bay pass through?

    One-stop flights from St. Louis to Simpson Bay most commonly connect through:

    • Atlanta Hartsfield-Jackson (ATL) - 46% of one-stop connections
    • Miami (MIA) - 30% of one-stop connections
    • Charlotte Douglas (CLT) - 11% of one-stop connections
    • Orlando (MCO) - 6% of one-stop connections

    Atlanta Hartsfield-Jackson (ATL) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from St. Louis to Simpson Bay?

    Yes. Being flexible with your travel dates can save you up to 19% on the St. Louis to Simpson Bay route. Tuesday is the cheapest departure day at $633 round-trip on average, while Monday is the most expensive at $780, a difference of $147. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How long is a flight from St. Louis to Simpson Bay?

    A nonstop flight from St. Louis to Simpson Bay takes 0h 00m, covering 2,172 miles.

  • Do I need a passport to fly from St. Louis to Simpson Bay?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from St. Louis to Simpson Bay looking right now?

    One-way fares from St. Louis to Simpson Bay are currently higher than usual. Average one-way flight prices are about $648, which is 113% above the typical average for this route.

  • How much time can I save by choosing a different layover airport from St. Louis to Simpson Bay?

    Flying via Atlanta Hartsfield-Jackson (ATL) gives the shortest average 1-stop total travel time at 7h 53m, compared with 7h 54m via Baltimore/Washington (BWI) and 8h 00m via Charlotte Douglas (CLT).

  • What is the time difference between St. Louis and Simpson Bay?

    Simpson Bay is 1 hour ahead of St. Louis (Atlantic Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Simpson Bay Princess Juliana Airport (SXM)?

    Simpson Bay Princess Juliana Airport (SXM) hosts 5 major car rental companies, with daily rates starting from around $2 for economy cars. Top options include:
    • Ace
    • Right Cars
    • Europcar
    • Budget
    • Alamo

  • How much should I expect to pay for a St. Louis to Simpson Bay flight?

    Round-trip flights from St. Louis to Simpson Bay range from $587 to $868, with an average of $683 over the past 12 months. Anything below $587 counts as a good deal.

Your guide to booking St. Louis to Simpson Bay flights

Get tips on when to book, when to fly and what to know before your trip.

More options for your flight from St. Louis to Simpson Bay

Complete your trip to Simpson Bay with a hotel stay or car rental