Which airport is the most popular layover for flights between St. Louis and Simpson Bay?

Atlanta (ATL) was the most common stop: 57% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from St. Louis to Simpson Bay?

Chicago (ORD) has the shortest average layover time for this route: 1h 35m.

Which layover airport has the shortest travel time from St. Louis to Simpson Bay?

Flights connecting via Atlanta (ATL) have the shortest average one-way travel time: 7h 00m.

What is the cheapest airline that flies from Lambert-St Louis to Simpson Bay Princess Juliana?

American Airlines and Air Canada are the most popular carriers operating from Lambert-St Louis to Simpson Bay Princess Juliana

Which layover airport offers the lowest fares from St. Louis to Simpson Bay?

Flights via Chicago (ORD) offer the lowest average round-trip price of $667.

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?

The number of operators available for flights from Lambert-St Louis Airport to Simpson Bay Princess Juliana Airport is 2 as of September 2026.

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.

$187 Cheap Flights from St. Louis to Simpson Bay in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Simpson Bay

Round-trip

One-way

Cheap round-trip flights

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2:40 pm - 5:00 pmSTL Lambert-St Louis-SXM Simpson Bay Princess Juliana

25h 20m1 stop Toronto Pearson Intl

3:45 pm - 3:23 pmSXM Simpson Bay Princess Juliana-STL Lambert-St Louis

24h 38m1 stop Toronto Pearson Intl

$370Air Canada

Fri, Oct 23 - Fri, Oct 30

2:40 pm - 5:00 pmSTL Lambert-St Louis-SXM Simpson Bay Princess Juliana

25h 20m1 stop Toronto Pearson Intl

6:00 pm - 2:00 pmSXM Simpson Bay Princess Juliana-STL Lambert-St Louis

21h 00m1 stop Toronto Pearson Intl

$373Air Canada

Fri, Oct 16 - Thu, Oct 22

2:40 pm - 5:00 pmSTL Lambert-St Louis-SXM Simpson Bay Princess Juliana

25h 20m1 stop Toronto Pearson Intl

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

$382Air Canada

Fri, Oct 16 - Thu, Oct 22

4:05 pm - 2:45 pmSTL Lambert-St Louis-SXM Simpson Bay Princess Juliana

20h 40m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

4:45 pm - 3:26 pmSXM Simpson Bay Princess Juliana-STL Lambert-St Louis

24h 41m1 stop Toronto Pearson Intl

$384Air Canada

Fri, Nov 27 - Tue, Dec 1

2:54 pm - 1:26 pmSTL Lambert-St Louis-SXM Simpson Bay Princess Juliana

20h 32m2 stops Dallas/Fort Worth Charlotte Douglas

3:26 pm - 9:47 pmSXM Simpson Bay Princess Juliana-STL Lambert-St Louis

8h 21m1 stop Miami

$458American Airlines

Tue, Nov 3 - Tue, Nov 10

5:29 pm - 4:31 pmSTL Lambert-St Louis-SXM Simpson Bay Princess Juliana

21h 02m2 stops Chicago O'Hare Intl Miami

5:33 pm - 10:53 amSXM Simpson Bay Princess Juliana-STL Lambert-St Louis

19h 20m2 stops Miami Chicago O'Hare Intl

$458American Airlines

Tue, Nov 3 - Tue, Nov 10

10:35 am - 1:26 pmSTL Lambert-St Louis-SXM Simpson Bay Princess Juliana

24h 51m1 stop Charlotte Douglas

3:26 pm - 9:47 pmSXM Simpson Bay Princess Juliana-STL Lambert-St Louis

8h 21m1 stop Miami

$461American Airlines

Tue, Nov 3 - Tue, Nov 10

6:00 am - 2:40 pmSTL Lambert-St Louis-SXM Simpson Bay Princess Juliana

6h 40m1 stop Atlanta Hartsfield-Jackson

4:05 pm - 12:05 amSXM Simpson Bay Princess Juliana-STL Lambert-St Louis

10h 00m1 stop Atlanta Hartsfield-Jackson

$647Delta

Fri, Nov 27 - Tue, Dec 1

6:00 am - 1:40 pmSTL Lambert-St Louis-SXM Simpson Bay Princess Juliana

6h 40m1 stop Atlanta Hartsfield-Jackson

3:05 pm - 11:54 pmSXM Simpson Bay Princess Juliana-STL Lambert-St Louis

9h 49m1 stop Atlanta Hartsfield-Jackson

$660Delta

Fri, Oct 9 - Thu, Oct 15

6:00 am - 1:40 pmSTL Lambert-St Louis-SXM Simpson Bay Princess Juliana

6h 40m1 stop Atlanta Hartsfield-Jackson

3:05 pm - 11:54 pmSXM Simpson Bay Princess Juliana-STL Lambert-St Louis

9h 49m1 stop Atlanta Hartsfield-Jackson

$660Delta

Fri, Oct 9 - Fri, Oct 16

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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 23

STL2:40 pmLambert-St Louis

25h 20m

1 stop

SXM5:00 pmSimpson Bay Princess Juliana

Oct 30

SXM3:45 pmSimpson Bay Princess Juliana

24h 38m

1 stop

STL3:23 pmLambert-St Louis

$370

Air Canada

Oct 16

STL2:40 pmLambert-St Louis

25h 20m

1 stop

SXM5:00 pmSimpson Bay Princess Juliana

Oct 22

SXM6:00 pmSimpson Bay Princess Juliana

21h 00m

1 stop

STL2:00 pmLambert-St Louis

$373

Air Canada

Oct 16

STL2:40 pmLambert-St Louis

25h 20m

1 stop

SXM5:00 pmSimpson Bay Princess Juliana

Oct 22

SXM6:00 pmSimpson Bay Princess Juliana

25h 41m

2 stops

STL6:41 pmLambert-St Louis

$382

American Airlines flights from St. Louis to Simpson Bay

Our best American Airlines deals on St. Louis to Simpson Bay flight tickets

American Airlines

Nov 3

STL5:29 pmLambert-St Louis

21h 02m

2 stops

SXM4:31 pmSimpson Bay Princess Juliana

Nov 10

SXM5:33 pmSimpson Bay Princess Juliana

19h 20m

2 stops

STL10:53 amLambert-St Louis

$458

American Airlines

Nov 3

STL10:35 amLambert-St Louis

24h 51m

1 stop

SXM1:26 pmSimpson Bay Princess Juliana

Nov 10

SXM3:26 pmSimpson Bay Princess Juliana

8h 21m

1 stop

STL9:47 pmLambert-St Louis

$461

American Airlines

Jan 2

STL8:07 pmLambert-St Louis

16h 22m

2 stops

SXM2:29 pmSimpson Bay Princess Juliana

Jan 8

SXM4:02 pmSimpson Bay Princess Juliana

8h 04m

1 stop

STL10:06 pmLambert-St Louis

$551

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisSimpson Bay

STL Lambert-St Louis - SXM Simpson Bay Princess Juliana

STLSXM

Lambert-St Louis

Fri 10/23

2:40 pm-5:00 pm

1 stop25h 20m

Simpson Bay Princess Juliana

Fri 10/30

3:45 pm-3:23 pm

1 stop24h 38m

$370

St. LouisSimpson Bay

STL Lambert-St Louis - SXM Simpson Bay Princess Juliana

STLSXM

Lambert-St Louis

Fri 10/16

2:40 pm-5:00 pm

1 stop25h 20m

Simpson Bay Princess Juliana

Thu 10/22

6:00 pm-2:00 pm

1 stop21h 00m

$373

St. LouisSimpson Bay

STL Lambert-St Louis - SXM Simpson Bay Princess Juliana

STLSXM

Lambert-St Louis

Fri 10/16

2:40 pm-5:00 pm

1 stop25h 20m

Simpson Bay Princess Juliana

Thu 10/22

6:00 pm-6:41 pm

2 stops25h 41m

$382

St. LouisSimpson Bay

STL Lambert-St Louis - SXM Simpson Bay Princess Juliana

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

$384

St. LouisSimpson Bay

STL Lambert-St Louis - SXM Simpson Bay Princess Juliana

STLSXM

Lambert-St Louis

Tue 11/3

2:54 pm-1:26 pm

2 stops20h 32m

Simpson Bay Princess Juliana

Tue 11/10

3:26 pm-9:47 pm

1 stop8h 21m

$458

St. LouisSimpson Bay

STL Lambert-St Louis - SXM Simpson Bay Princess Juliana

STLSXM

Lambert-St Louis

Tue 11/3

5:29 pm-4:31 pm

2 stops21h 02m

Simpson Bay Princess Juliana

Tue 11/10

5:33 pm-10:53 am

2 stops19h 20m

$458

St. LouisSimpson Bay

STL Lambert-St Louis - SXM Simpson Bay Princess Juliana

STLSXM

Lambert-St Louis

Tue 11/3

10:35 am-1:26 pm

1 stop24h 51m

Simpson Bay Princess Juliana

Tue 11/10

3:26 pm-9:47 pm

1 stop8h 21m

$461

St. LouisSimpson Bay

STL Lambert-St Louis - SXM Simpson Bay Princess Juliana

STLSXM

Lambert-St Louis

Fri 11/27

6:00 am-2:40 pm

1 stop6h 40m

Simpson Bay Princess Juliana

Tue 12/1

4:05 pm-12:05 am

1 stop10h 00m

$647

Quickest round-trip

St. LouisSimpson Bay

STL Lambert-St Louis - SXM Simpson Bay Princess Juliana

STLSXM

Lambert-St Louis

Fri 10/9

6:00 am-1:40 pm

1 stop6h 40m

Simpson Bay Princess Juliana

Thu 10/15

3:05 pm-11:54 pm

1 stop9h 49m

$660

St. LouisSimpson Bay

STL Lambert-St Louis - SXM Simpson Bay Princess Juliana

STLSXM

Lambert-St Louis

Fri 10/9

6:00 am-1:40 pm

1 stop6h 40m

Simpson Bay Princess Juliana

Fri 10/16

3:05 pm-11:54 pm

1 stop9h 49m

$660

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 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

Prices

Airlines

Layovers

What is the cheapest month to fly to Simpson Bay?

In general, September 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 $0. If you aren’t able to travel to Simpson Bay during the month of September, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $585.

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

Best Price Found	$187
Fastest flight time	6h 40m
Direct flights	None

The best one-way flight to Simpson Bay from St. Louis in the past 72 hours is $187. The best round-trip flight deal from St. Louis to Simpson Bay found on momondo in the last 72 hours is $370.

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?
The number of operators available for flights from Lambert-St Louis Airport to Simpson Bay Princess Juliana Airport is 2 as of September 2026.
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?
momondo data reveals that the most frequently booked airline on the route from St. Louis to Simpson Bay is American Airlines, representing 65% of all bookings. The subsequent popular airline is Delta at 35%.

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
Delta	PriceFrom $473	Free Cancellation	Rating 7.8 8,589 reviews		Search Delta flights
American Airlines	PriceFrom $544	Free Cancellation	Rating 7.0 12,087 reviews		Search American Airlines flights

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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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Cheap flights from St. Louis to Simpson Bay from $187

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.

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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

American Airlines flights from St. Louis to Simpson Bay

Our best American Airlines deals on St. Louis to Simpson Bay flight tickets

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

What is the cheapest month to fly to Simpson Bay?

What is the cheapest airline that flies from Lambert-St Louis to Simpson Bay Princess Juliana?

Which airport is the most popular layover for flights between St. Louis and Simpson Bay?

Which layover airport offers the lowest fares from St. Louis to Simpson Bay?

Which layover airport has the shortest travel time from St. Louis to Simpson Bay?

Which layover airport has the shortest connection time from St. Louis to Simpson Bay?

When to book flights from St. Louis to Simpson Bay

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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying 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

Traveling to a place near Simpson Bay?

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An easier way to manage your Simpson Bay trip

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Fly your favorite airline to Simpson Bay

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Simpson Bay

List of cabin classes available on flights landing in Simpson Bay. Availability may vary depending on flight origin and airline.

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