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Cheap flights from St. Louis (STL) to Simpson Bay (SXM) from $375

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 6/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — SXM
Jun 4 — Jun 111
From?
To?
Tue 6/4
Tue 6/11
1 adult, Economy
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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 May 30, 2024.

Popular in

June

Cheapest in

January

Average price

$688

Round-trip from

$523
High demand for flights, 19% potential price rise
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Best time to find cheap flights, 22% potential price drop
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Average for round-trip flights in May 2024
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From Lambert-St Louis to Simpson Bay Princess Juliana
Search Deals

What is the cheapest day to fly round-trip from St. Louis to Simpson Bay?

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 26% on your flight compared to booking on days when demand is much higher.

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

Travelers have found it’s best to book a flight 53 days in advance to save up to 147% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 53 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from St. Louis to Simpson Bay 1-2 weeks in advance for as low as $504, or $813 for flights within the next 24 hours.

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

January can be a great time to fly to Simpson Bay from St. Louis with a flight ticket averaging about $790. Cheapflights users have found deals in the month of January for as cheap as $468. The most expensive prices can be found in the month of June.

What is the cheapest time of day to fly from STL to SXM?

It’s typically best to fly out from St. Louis to Simpson Bay in the morning. Doing so could potentially save you 8% on the flight price compared to flying at noon, which is usually more expensive.

Cheap Spirit Airlines flights from St. Louis to Simpson Bay

Explore cheap flight options specifically provided by Spirit Airlines for the route between St. Louis and Simpson Bay. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Check out some of the cheapest Spirit Airlines flights we've come across from St. Louis to Simpson Bay. Make sure to double check the flight details before booking.
Tue 6/113:23 pmSTL - SXM
1 stop21h 25mSpirit Airlines
Mon 6/172:44 pmSXM - STL
1 stop24h 39mSpirit Airlines
Deal found 5/29$375
Tue 6/1111:57 amSTL - SXM
2 stops24h 51mSpirit Airlines
Mon 6/172:44 pmSXM - STL
2 stops21h 13mSpirit Airlines
Deal found 5/29$417
Tue 6/1111:57 amSTL - SXM
3 stops24h 51mSpirit Airlines
Mon 6/172:44 pmSXM - STL
3 stops21h 13mSpirit Airlines
Deal found 5/29$460
Mon 8/54:02 pmSTL - SXM
2 stops45h 03mSpirit Airlines
Fri 8/93:05 pmSXM - STL
1 stop27h 24mSpirit Airlines
Deal found 5/29$601
Mon 7/224:02 pmSTL - SXM
2 stops45h 03mSpirit Airlines
Fri 7/263:05 pmSXM - STL
1 stop27h 24mSpirit Airlines
Deal found 5/30$626
Mon 7/224:02 pmSTL - SXM
2 stops45h 03mSpirit Airlines
Fri 7/263:05 pmSXM - STL
2 stops20h 29mSpirit Airlines
Deal found 5/30$643

Cheap Frontier flights from St. Louis to Simpson Bay

Explore cheap flight options specifically provided by Frontier for the route between St. Louis and Simpson Bay. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Take a gander at the lowest prices we've found on Frontier flights from St. Louis to Simpson Bay. Make sure to examine the flight information before completing your reservation.
Sat 7/137:33 pmSTL - SXM
2 stops44h 37mFrontier
Sat 7/274:30 pmSXM - STL
1 stop17h 06mFrontier
Deal found 5/29$407
Fri 7/57:33 pmSTL - SXM
1 stop18h 47mFrontier
Sat 7/134:30 pmSXM - STL
1 stop17h 06mFrontier
Deal found 5/29$422
Fri 7/52:22 pmSTL - SXM
2 stops23h 58mFrontier
Sat 7/134:30 pmSXM - STL
1 stop17h 06mFrontier
Deal found 5/29$443
Sat 7/137:33 pmSTL - SXM
2 stops44h 37mFrontier
Sat 7/274:30 pmSXM - STL
2 stops46h 01mFrontier
Deal found 5/29$464
Fri 7/57:33 pmSTL - SXM
1 stop18h 47mFrontier
Fri 7/126:20 pmSXM - STL
2 stops15h 16mFrontier
Deal found 5/29$465
Fri 7/52:22 pmSTL - SXM
2 stops23h 58mFrontier
Fri 7/126:20 pmSXM - STL
2 stops15h 16mFrontier
Deal found 5/29$481
Fri 7/55:19 pmSTL - SXM
2 stops21h 01mFrontier
Sat 7/134:30 pmSXM - STL
2 stops46h 01mFrontier
Deal found 5/29$502

Cheap St. Louis to Simpson Bay flights in May & June 2024

Find cheap flight options from St. Louis to Simpson Bay specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Prices were last updated on May 30, 2024.
Check out some of the best flight deals from St. Louis to Simpson Bay in 2024. For more flight deals, be sure to check back very soon.
Tue 6/113:23 pmSTL - SXM
1 stop21h 25mSpirit Airlines
Mon 6/172:44 pmSXM - STL
1 stop24h 39mSpirit Airlines
Deal found 5/29$375
Sat 6/19:29 pmSTL - SXM
1 stop16h 35mFrontier
Sat 6/84:20 pmSXM - STL
1 stop15h 47mFrontier
Deal found 5/29$398
Tue 6/1111:57 amSTL - SXM
2 stops24h 51mSpirit Airlines
Mon 6/172:44 pmSXM - STL
2 stops21h 13mSpirit Airlines
Deal found 5/29$417
Tue 6/1111:57 amSTL - SXM
3 stops24h 51mSpirit Airlines
Mon 6/172:44 pmSXM - STL
3 stops21h 13mSpirit Airlines
Deal found 5/29$460
Fri 6/287:44 pmSTL - SXM
1 stop18h 26mMultiple Airlines
Sat 7/62:44 pmSXM - STL
1 stop26h 48mMultiple Airlines
Deal found 5/29$534
Tue 6/113:23 pmSTL - SXM
1 stop21h 25mMultiple Airlines
Sun 6/162:10 pmSXM - STL
2 stops41h 57mMultiple Airlines
Deal found 5/29$536
Fri 5/317:44 pmSTL - SXM
1 stop18h 33mFrontier
Mon 6/34:09 pmSXM - STL
2 stops15h 59mFrontier
Deal found 5/30$648
Tue 6/1111:57 amSTL - SXM
3 stops24h 51mMultiple Airlines
Sun 6/162:10 pmSXM - STL
3 stops30h 45mMultiple Airlines
Deal found 5/29$674
Fri 5/311:10 pmSTL - SXM
2 stops25h 07mFrontier
Mon 6/34:09 pmSXM - STL
2 stops15h 59mFrontier
Deal found 5/30$696

St. Louis to Simpson Bay 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Simpson Bay in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Check out some of the best flight deals from St. Louis to Simpson Bay in 2024. For more flight deals, be sure to check back very soon.
Tue 6/113:23 pmSTL - SXM
1 stop21h 25mSpirit Airlines
Mon 6/172:44 pmSXM - STL
1 stop24h 39mSpirit Airlines
Deal found 5/29$375
Sat 6/19:29 pmSTL - SXM
1 stop16h 35mFrontier
Sat 6/84:20 pmSXM - STL
1 stop15h 47mFrontier
Deal found 5/29$398
Sat 7/137:33 pmSTL - SXM
2 stops44h 37mFrontier
Sat 7/274:30 pmSXM - STL
1 stop17h 06mFrontier
Deal found 5/29$407
Tue 6/1111:57 amSTL - SXM
2 stops24h 51mSpirit Airlines
Mon 6/172:44 pmSXM - STL
2 stops21h 13mSpirit Airlines
Deal found 5/29$417
Fri 7/57:33 pmSTL - SXM
1 stop18h 47mFrontier
Sat 7/134:30 pmSXM - STL
1 stop17h 06mFrontier
Deal found 5/29$422
Fri 7/52:22 pmSTL - SXM
2 stops23h 58mFrontier
Sat 7/134:30 pmSXM - STL
1 stop17h 06mFrontier
Deal found 5/29$443
Tue 7/305:29 amSTL - SXM
1 stop8h 46mAmerican Airlines
Tue 8/62:30 pmSXM - STL
2 stops18h 57mAmerican Airlines
Deal found 5/29$449
Tue 6/1111:57 amSTL - SXM
3 stops24h 51mSpirit Airlines
Mon 6/172:44 pmSXM - STL
3 stops21h 13mSpirit Airlines
Deal found 5/29$460
Sat 7/137:33 pmSTL - SXM
2 stops44h 37mFrontier
Sat 7/274:30 pmSXM - STL
2 stops46h 01mFrontier
Deal found 5/29$464

Find flights from St. Louis to Simpson Bay within your budget

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 2,784,634 searches. Data last updated May 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$375 - $921

Route

Depart

Return

Price

Lambert-St LouisSimpson Bay Princess Juliana

STL - SXM

STLSXM

Lambert-St Louis

Tue 6/11

1 stop21h 25m

Simpson Bay Princess Juliana

Mon 6/17

1 stop24h 39m

$375

Lambert-St LouisSimpson Bay Princess Juliana

STL - SXM

STLSXM

Lambert-St Louis

Sat 7/13

2 stops44h 37m

Simpson Bay Princess Juliana

Sat 7/27

1 stop17h 06m

$407

Lambert-St LouisSimpson Bay Princess Juliana

STL - SXM

STLSXM

Lambert-St Louis

Tue 6/11

2 stops24h 51m

Simpson Bay Princess Juliana

Mon 6/17

2 stops21h 13m

$417

Lambert-St LouisSimpson Bay Princess Juliana

STL - SXM

STLSXM

Lambert-St Louis

Fri 7/5

1 stop18h 47m

Simpson Bay Princess Juliana

Sat 7/13

1 stop17h 06m

$422

Lambert-St LouisSimpson Bay Princess Juliana

STL - SXM

STLSXM

Lambert-St Louis

Fri 7/5

2 stops23h 58m

Simpson Bay Princess Juliana

Sat 7/13

1 stop17h 06m

$443

Lambert-St LouisSimpson Bay Princess Juliana

STL - SXM

STLSXM

Lambert-St Louis

Tue 7/30

1 stop8h 46m

Simpson Bay Princess Juliana

Tue 8/6

2 stops18h 57m

$449

Lambert-St LouisSimpson Bay Princess Juliana

STL - SXM

STLSXM

Lambert-St Louis

Thu 9/5

2 stops21h 28m

Simpson Bay Princess Juliana

Thu 9/12

2 stops18h 46m

$471

Lambert-St LouisSimpson Bay Princess Juliana

STL - SXM

STLSXM

Lambert-St Louis

Fri 6/28

1 stop18h 26m

Simpson Bay Princess Juliana

Sat 7/6

1 stop26h 48m

$534

Lambert-St LouisSimpson Bay Princess Juliana

STL - SXM

STLSXM

Lambert-St Louis

Sat 7/13

1 stop9h 19m

Simpson Bay Princess Juliana

Sat 7/27

1 stop27h 10m

$921

Flights are sorted by cheapest first

Deals found on 5/29

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 May 24, 2024.
The best time to book flights from St. Louis to Simpson Bay is 52 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.
Search Deals

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

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Simpson Bay. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Simpson Bay flight should consider departing on Wednesday mornings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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.

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 May 30, 2024.
Read reviews from past customers who have flown Spirit Airlines, Frontier and American Airlines from St. Louis to Simpson Bay. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,777 reviews
Check prices

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.7

Comfort

7.2

Boarding

7.7

Reviews

1 / 10

Flight from shv was great. My connecting flight was canceled though. Had to stay overnight in airport

United Airlines
7.4
Good
10,777 reviews
United Airlines
7.4
Good
10,777 reviews
Check prices

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.7

Comfort

7.2

Boarding

7.7

Reviews

1 / 10

Flight from shv was great. My connecting flight was canceled though. Had to stay overnight in airport

American Airlines
7.3
Good
14,284 reviews
United Airlines
7.4
Good
10,777 reviews
Check prices

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.7

Comfort

7.2

Boarding

7.7

Reviews

1 / 10

Flight from shv was great. My connecting flight was canceled though. Had to stay overnight in airport

Spirit Airlines
6.4
Okay
8,616 reviews
United Airlines
7.4
Good
10,777 reviews
Check prices

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.7

Comfort

7.2

Boarding

7.7

Reviews

1 / 10

Flight from shv was great. My connecting flight was canceled though. Had to stay overnight in airport

Frontier
6.3
Okay
4,016 reviews
United Airlines
7.4
Good
10,777 reviews
Check prices

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.7

Comfort

7.2

Boarding

7.7

Reviews

1 / 10

Flight from shv was great. My connecting flight was canceled though. Had to stay overnight in airport

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.

  • Can I find flights from St. Louis to Simpson Bay for under $400 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Simpson Bay for under $400. The cheapest flight booked recently is on Spirit Airlines for just $375, but on average you can expect to pay $486.

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

    Flying on Spirit Airlines is currently your cheapest option to Simpson Bay, with prices starting at $375. Additional round-trip tickets that might be worth considering are offered by Frontier and American Airlines, with the lowest prices starting at $407 and $449, respectively. Spirit Airlines is 52% cheaper than the average price of flights available within the next 90 days to this destination.

  • What does STL to SXM mean?

    Great question - STL to SXM just means Lambert-St Louis Airport to Simpson Bay Princess Juliana Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from St. Louis to Simpson Bay that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Simpson Bay flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Simpson Bay with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Simpson Bay flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from St. Louis to Simpson Bay that allow pets onboard?

    Many airlines flying from St. Louis to Simpson Bay offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Simpson Bay?

    Yes, you can often find last-minute deals on St. Louis to Simpson Bay flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Simpson Bay flight deals updated?

    The St. Louis to Simpson Bay flight deals you see on this page were last updated on 5/29.

  • 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 $523). Flying from St. Louis to Simpson Bay in July is currently the most expensive (average of $742). 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

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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 2,784,634 searches. Data last updated May 30, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$480Average$732FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$497Average$767FlexibilityNo cancel feeOn-time71%
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Search flights from St. Louis to Simpson Bay by cabin class

Find flights from St. Louis to Simpson Bay, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Simpson Bay?

Cheapflights makes it easy to find St. Louis to Simpson Bay flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Simpson Bay?

Cheapflights helps you find that perfect flight to Simpson Bay from St. Louis by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from St. Louis to Simpson Bay with no change fees?

Yes, we can. To see specific flights from St. Louis to Simpson Bay with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from St. Louis to Simpson Bay become cheaper?

Yes, Cheapflights offers price alerts on St. Louis to Simpson Bay flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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