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Cheap flights from St. Louis to Simpson Bay from $193

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Simpson Bay 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.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Simpson Bay

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
4:05 pm - 2:45 pm
STL
-
SXM
21h 40m
1 stop
Air Canada Logo
2:40 pm - 4:26 pm
SXM
-
STL
26h 46m
2 stops
$462Air Canada
Sun, Oct 25 - Sat, Oct 31
Delta Logo
6:00 am - 1:53 pm
STL
-
SXM
6h 53m
1 stop
Delta Logo
3:18 pm - 11:42 pm
SXM
-
STL
9h 24m
1 stop
$465Delta
Mon, Sep 21 - Fri, Sep 25
American Airlines Logo
5:00 am - 1:23 pm
STL
-
SXM
7h 23m
1 stop
American Airlines Logo
2:23 pm - 10:20 am
SXM
-
STL
20h 57m
2 stops
$470American Airlines
Mon, Sep 21 - Fri, Sep 25
American Airlines Logo
6:09 pm - 2:31 pm
STL
-
SXM
18h 22m
1 stop
American Airlines Logo
2:03 pm - 10:05 pm
SXM
-
STL
10h 02m
1 stop
$472American Airlines
Sat, Jan 23 - Fri, Jan 29
Air Canada Logo
4:05 pm - 2:45 pm
STL
-
SXM
21h 40m
1 stop
Air Canada Logo
2:40 pm - 4:26 pm
SXM
-
STL
26h 46m
2 stops
$474Air Canada
Sun, Oct 25 - Sat, Oct 31
American Airlines Logo
3:54 pm - 2:31 pm
STL
-
SXM
20h 37m
2 stops
American Airlines Logo
2:50 pm - 11:12 pm
SXM
-
STL
10h 22m
1 stop
$477American Airlines
Sat, Jan 23 - Fri, Jan 29
American Airlines Logo
5:04 pm - 1:45 pm
STL
-
SXM
18h 41m
2 stops
American Airlines Logo
2:03 pm - 11:12 pm
SXM
-
STL
11h 09m
2 stops
$477American Airlines
Sat, Jan 23 - Fri, Jan 29
Air Canada Logo
4:05 pm - 2:45 pm
STL
-
SXM
20h 40m
2 stops
Air Canada Logo
4:45 pm - 3:26 pm
SXM
-
STL
24h 41m
1 stop
$542Air Canada
Fri, Nov 27 - Tue, Dec 1
Air Canada Logo
4:05 pm - 2:45 pm
STL
-
SXM
20h 40m
2 stops
Air Canada Logo
4:45 pm - 3:26 pm
SXM
-
STL
24h 41m
1 stop
$542Air Canada
Fri, Dec 11 - Sun, Dec 13
Delta Logo
6:00 am - 1:40 pm
STL
-
SXM
6h 40m
1 stop
Delta Logo
3:05 pm - 9:59 pm
SXM
-
STL
7h 54m
1 stop
$630Delta
Sun, Oct 25 - Sat, Oct 31

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Air Canada flights from St. Louis to Simpson Bay

Our best Air Canada deals on St. Louis to Simpson Bay flight tickets
Air Canada
Oct 25
STL4:05 pmLambert-St Louis
21h 40m
1 stop
SXM2:45 pmSimpson Bay Princess Juliana
Oct 31
SXM2:40 pmSimpson Bay Princess Juliana
26h 46m
2 stops
STL4:26 pmLambert-St Louis
$462
Air Canada
Oct 25
STL4:05 pmLambert-St Louis
21h 40m
1 stop
SXM2:45 pmSimpson Bay Princess Juliana
Oct 31
SXM2:40 pmSimpson Bay Princess Juliana
26h 46m
2 stops
STL4:26 pmLambert-St Louis
$474
Air Canada
Nov 27
STL4:05 pmLambert-St Louis
20h 40m
2 stops
SXM2:45 pmSimpson Bay Princess Juliana
Dec 1
SXM4:45 pmSimpson Bay Princess Juliana
24h 41m
1 stop
STL3:26 pmLambert-St Louis
$542

Delta flights from St. Louis to Simpson Bay

Our best Delta deals on St. Louis to Simpson Bay flight tickets
Delta
Sep 21
STL6:00 amLambert-St Louis
6h 53m
1 stop
SXM1:53 pmSimpson Bay Princess Juliana
Sep 25
SXM3:18 pmSimpson Bay Princess Juliana
9h 24m
1 stop
STL11:42 pmLambert-St Louis
$465
Delta
Oct 25
STL6:00 amLambert-St Louis
6h 40m
1 stop
SXM1:40 pmSimpson Bay Princess Juliana
Oct 31
SXM3:05 pmSimpson Bay Princess Juliana
7h 54m
1 stop
STL9:59 pmLambert-St Louis
$630

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Simpson Bay 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 July 31, 2026.
Use the filters below to find and compare flights from St. Louis to Simpson Bay 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

Sun 10/25

4:05 pm-2:45 pm

1 stop21h 40m

Simpson Bay Princess Juliana

Sat 10/31

2:40 pm-4:26 pm

2 stops26h 46m

$462

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Mon 9/21

6:00 am-1:53 pm

1 stop6h 53m

Simpson Bay Princess Juliana

Fri 9/25

3:18 pm-11:42 pm

1 stop9h 24m

$465

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Mon 9/21

5:00 am-1:23 pm

1 stop7h 23m

Simpson Bay Princess Juliana

Fri 9/25

2:23 pm-10:20 am

2 stops20h 57m

$470

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Sat 1/23

6:09 pm-2:31 pm

1 stop18h 22m

Simpson Bay Princess Juliana

Fri 1/29

2:03 pm-10:05 pm

1 stop10h 02m

$472

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Sun 10/25

4:05 pm-2:45 pm

1 stop21h 40m

Simpson Bay Princess Juliana

Sat 10/31

2:40 pm-4:26 pm

2 stops26h 46m

$474

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Sat 1/23

3:54 pm-2:31 pm

2 stops20h 37m

Simpson Bay Princess Juliana

Fri 1/29

2:50 pm-11:12 pm

1 stop10h 22m

$477

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Sat 1/23

5:04 pm-1:45 pm

2 stops18h 41m

Simpson Bay Princess Juliana

Fri 1/29

2:03 pm-11:12 pm

2 stops11h 09m

$477

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Fri 11/27

4:05 pm-2:45 pm

2 stops20h 40m

Simpson Bay Princess Juliana

Tue 12/1

4:45 pm-3:26 pm

1 stop24h 41m

$542

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Fri 12/11

4:05 pm-2:45 pm

2 stops20h 40m

Simpson Bay Princess Juliana

Sun 12/13

4:45 pm-3:26 pm

1 stop24h 41m

$542
Quickest round-trip

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

Sun 10/25

6:00 am-1:40 pm

1 stop6h 40m

Simpson Bay Princess Juliana

Sat 10/31

3:05 pm-9:59 pm

1 stop7h 54m

$630

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Simpson Bay from

How to get the cheapest flight ticket from St. Louis to Simpson Bay

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 typical price of a round-trip flight between St. Louis and Simpson Bay?

Prices are currently low for flights on this route.

Typical prices usually range from $561 to $709.
The lowest price recently found on this route was $462.

What is the cheapest month to fly to Simpson Bay?

In general, October is the cheapest month to fly from St. Louis to Simpson Bay. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $497. If you aren’t able to travel to Simpson Bay during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $517.

When to book flights from St. Louis to Simpson Bay

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Simpson Bay according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Simpson Bay (STL to SXM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Simpson Bay

Fastest flight time

6h 40m

Direct flights

None
The fastest flight from St. Louis to Simpson Bay takes 6h 40m
There are no direct flights from St. Louis to Simpson Bay. There are no popular flight routes from St. Louis to Simpson Bay.
Search flight deals

Frequently asked questions about flying from St. Louis to Simpson Bay

  • How far is Lambert-St Louis to Simpson Bay Princess Juliana by plane?

    The distance between Lambert-St Louis and Simpson Bay Princess Juliana is about 2159.4 mi. 6h 40m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Simpson Bay Princess Juliana Airport?

    Prices for flights from Lambert-St Louis Airport to Simpson Bay Princess Juliana Airport are updated daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Simpson Bay Princess Juliana Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Simpson Bay Princess Juliana Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Simpson Bay Princess Juliana Airport.

  • What documentation or ID do you need to fly to Simpson Bay Princess Juliana Airport?

    The travel and health documents you'll need for your trip to Simpson Bay Princess Juliana Airport 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 Simpson Bay Princess Juliana Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to Simpson Bay?

Best airlines flying from St. Louis to Simpson Bay

Compare and see reviews for airlines that fly from St. Louis to Simpson Bay with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $473Free CancellationRating
7.8
8,501 reviews
Search Delta flights
American AirlinesPriceFrom $553Free CancellationRating
7.1
11,852 reviews
Search American Airlines flights

Traveling to a place near Simpson Bay?

Book flights to Simpson Bay if you plan to visit one of these locations
Philipsburg

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Simpson Bay?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Simpson Bay for you.

Can I find flights from St. Louis to Simpson Bay with flexible booking policies on momondo?

Flights from St. Louis to Simpson Bay with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from St. Louis to Simpson Bay?

momondo provides multiple filters to help you find the best flight to Simpson Bay from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for St. Louis to Simpson Bay flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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