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Simpson Bay

$406+ Cheap flights from St. Louis (STL) to Simpson Bay (SXM)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SXM
dic. 6 — dic. 131
sáb. 12/6
sáb. 12/13
1 adult, Economy
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Find flight deals from St. Louis to Simpson Bay

Cheapest flights from St. Louis to Simpson Bay
Explore the most affordable flight options available from St. Louis to Simpson Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 6, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/33:30 pmSTL - SXM
2 stops44h 45mMultiple Airlines
mié. 12/103:20 pmSXM - STL
1 stop24h 32mMultiple Airlines
Deal found 11/4$406
This American Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/34:36 pmSTL - SXM
1 stop21h 49mAmerican Airlines
mié. 12/105:25 pmSXM - STL
1 stop8h 34mAmerican Airlines
Deal found 11/4$646
This American Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/296:00 pmSTL - SXM
1 stop16h 36mAmerican Airlines
mar. 1/65:33 pmSXM - STL
1 stop17h 35mAmerican Airlines
Deal found 11/5$663
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/2010:53 amSTL - SXM
1 stop25h 22mMultiple Airlines
dom. 11/304:20 pmSXM - STL
2 stops33h 37mMultiple Airlines
Deal found 11/3$759
This Kiwi.com deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/244:27 pmSTL - SXM
2 stops41h 01mMultiple Airlines
lun. 1/53:20 pmSXM - STL
1 stop21h 36mMultiple Airlines
Deal found 11/4$808

Cheap flight deals from St. Louis to Simpson Bay

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Simpson Bay (SXM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated noviembre 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$493
(Air Canada)

Popular in

December

Cheapest in

August

Average price

$671
Provider with most accurate pricing for Lambert-St Louis-Simpson Bay Princess Juliana flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Simpson Bay Princess Juliana flights.
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From Lambert-St Louis to Simpson Bay Princess Juliana
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Highest demand for flights based on searches. 11% potential increase in price ($88 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated noviembre 6, 2025.
Use the filters below to find and compare flights from St. Louis to Simpson Bay that are best for you.

Fly from

St. Louis

Fly to

Simpson Bay

Route

Depart

Return

Price

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

dom. 1/18

4:05 pm-4:00 pm

1 stop21h 55m

Simpson Bay Princess Juliana

vie. 1/23

4:28 pm-1:53 pm

1 stop23h 25m

$446

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

mar. 3/3

4:05 pm-4:00 pm

1 stop21h 55m

Simpson Bay Princess Juliana

vie. 3/13

4:00 pm-3:29 pm

1 stop24h 29m

$493

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

mar. 1/13

4:05 pm-4:00 pm

1 stop21h 55m

Simpson Bay Princess Juliana

vie. 1/23

5:00 pm-3:29 pm

1 stop24h 29m

$493

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

dom. 1/18

4:05 pm-4:00 pm

1 stop21h 55m

Simpson Bay Princess Juliana

vie. 1/23

5:00 pm-3:29 pm

1 stop24h 29m

$513

St. LouisSimpson Bay

STL - SXM

STLSXM

Lambert-St Louis

dom. 4/5

7:05 pm-12:50 pm

1 stop16h 45m

Simpson Bay Princess Juliana

vie. 4/10

2:25 pm-9:35 pm

1 stop8h 10m

$583

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Compare providers for flights from St. Louis to Simpson Bay

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Simpson Bay in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Simpson Bay flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Simpson Bay flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from St. Louis-Simpson Bay flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Simpson Bay flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Simpson Bay flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Simpson Bay

Have a flexible travel schedule? Discover the best time to fly to Simpson Bay from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Simpson Bay

How far ahead should I book a flight from St. Louis to Simpson Bay?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Simpson Bay. Price data was last updated on October 31, 2025.

The best time to book flights from St. Louis to Simpson Bay is 34 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from St. Louis to Simpson Bay?

Currently, September is the cheapest month in which you can book a flight from St. Louis to Simpson Bay (average of $497). Flying from St. Louis to Simpson Bay in December is currently the most expensive (average of $683). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from St. Louis to Simpson Bay?

Reviews of airlines servicing Simpson Bay

Get insights into the airlines that provide service to Simpson Bay. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Simpson Bay. Reviews last updated noviembre 6, 2025.
Read reviews from past customers who have flown Delta and American Airlines from St. Louis to Simpson Bay. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,001 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,001 reviews
Delta
7.9
Good
8,001 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,040 reviews
Delta
7.9
Good
8,001 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Boarding

8.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Simpson Bay. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    There are many flights that can get you from St. Louis to Simpson Bay in 21h 55m. Fly via Air Canada to get the fastest option. The distance from St. Louis to Simpson Bay is about 2172 mi.

  • What are the cheapest airlines flying from St. Louis to Simpson Bay round-trip?

    Flying on Delta is currently your cheapest option to Simpson Bay, with prices starting at $497. Another option worth looking into is American Airlines, starting at $560 round trip. Delta is 30% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from St. Louis to Simpson Bay that include hotel bookings?

    Yes. In addition to deals on St. Louis to Simpson Bay flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Simpson Bay?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Simpson Bay.

  • Can I find deals for business class flights from St. Louis to Simpson Bay?

    Yes. Cheapflights offers flight deals from St. Louis to Simpson Bay by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Simpson Bay?

    Currently, September is the cheapest month in which you can book a flight from St. Louis to Simpson Bay (average of $497). Flying from St. Louis to Simpson Bay in December is currently the most expensive (average of $683). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Simpson Bay?

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

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Alternative routes for St. Louis to Simpson Bay

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Simpson Bay flights

Top 2 airlines flying from St. Louis to Simpson Bay

Discover the top 2 airlines that operate flights from St. Louis to Simpson Bay. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated noviembre 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$497Average$671FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$560Average$747FlexibilityNo cancel feeOn-time71%

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