$58+ Cheap flights from Caribbean to St. Louis (STL)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — STL
Jan 8 — Jan 151
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Caribbean to St. Louis
Cheapest flights from Caribbean to St. LouisExplore the most affordable flight options available from Caribbean to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 9, 2025.
Explore the most affordable flight options available from Caribbean to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 9, 2025.
This Frontier deal was found by Cheapflights users on 12/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1511:05 amSJU - STL
1 stop13h 28mFrontier
Tue 12/163:30 pmSTL - SJU
1 stop9h 20mFrontier
Deal found 12/8![Frontier logo]()
$284
This Priceline deal was found by Cheapflights users on 12/8. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:00 amSJU - STL
1 stop18h 33mFrontier
Fri 1/29:07 amSTL - SJU
1 stop13h 47mFrontier
Deal found 12/8![Frontier logo]()
$298
This Frontier deal was found by Cheapflights users on 12/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/205:09 pmSJU - STL
1 stop7h 24mFrontier
Mon 12/294:27 pmSTL - SJU
1 stop8h 23mFrontier
Deal found 12/9![Frontier logo]()
$305
This Frontier deal was found by Cheapflights users on 12/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/115:09 pmSJU - STL
1 stop7h 24mFrontier
Mon 12/153:30 pmSTL - SJU
1 stop9h 20mFrontier
Deal found 12/7![Frontier logo]()
$314
This Frontier deal was found by Cheapflights users on 12/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1411:05 amSJU - STL
1 stop13h 28mFrontier
Tue 12/163:30 pmSTL - SJU
1 stop9h 20mFrontier
Deal found 12/8![Frontier logo]()
$348
This Delta deal was found by Cheapflights users on 12/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/114:35 pmAUA - STL
1 stop17h 49mDelta
Mon 12/154:32 pmSTL - AUA
1 stop19h 23mDelta
Deal found 12/7![Delta logo]()
$349
This Frontier deal was found by Cheapflights users on 12/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/283:55 amSJU - STL
1 stop7h 50mFrontier
Sun 1/410:57 amSTL - SJU
1 stop12h 40mFrontier
Deal found 12/8![Frontier logo]()
$357
This Frontier deal was found by Cheapflights users on 12/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/283:55 amSJU - STL
1 stop7h 50mFrontier
Thu 1/110:42 amSTL - SJU
1 stop11h 55mFrontier
Deal found 12/8![Frontier logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 12/8. 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.
Mon 12/295:22 pmSJU - STL
2 stops18h 18mMultiple Airlines
Thu 1/111:51 amSTL - SJU
1 stop22h 28mMultiple Airlines
Deal found 12/8![Multiple Airlines logo]()
$373
This Priceline deal was found by Cheapflights users on 12/8. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:00 amSJU - STL
1 stop18h 33mFrontier
Sat 1/34:27 pmSTL - SJU
1 stop14h 31mFrontier
Deal found 12/8![Frontier logo]()
$375
This United Airlines deal was found by Cheapflights users on 12/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/223:35 pmNAS - STL
1 stop8h 08mUnited Airlines
Fri 1/26:35 pmSTL - NAS
2 stops17h 58mUnited Airlines
Deal found 12/6![United Airlines logo]()
$387
This Delta deal was found by Cheapflights users on 12/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/221:31 pmNAS - STL
1 stop8h 10mDelta
Fri 1/26:00 amSTL - NAS
1 stop6h 02mDelta
Deal found 12/8![Delta logo]()
$396
Find flight deals from Caribbean to St. Louis
Keep the following information in mind while searching for Caribbean to St. Louis flight deals. Data was last updated December 9, 2025.
Round-trip from | $199 (Frontier) |
|---|---|
One-way from | $58 (Priceline) |
Popular in | July |
Cheapest in | January |
Average price | $434 |
Good one-way deal | $878 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Caribbean to St. Louis 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 December 9, 2025.
Use the filters below to find and compare flights from Caribbean to St. Louis that are best for you.
Fly from
Caribbean
Fly to
St. Louis
Route
Depart
Return
Price
San JuanSt. Louis
SJU - STL
SJUSTL
San Juan Luis Munoz Marin Intl
Thu 1/15
6:27 pm-11:39 pm
1 stop7h 12m
Lambert-St Louis
Mon 1/19
3:45 pm-11:45 pm
1 stop6h 00m
$225
San JuanSt. Louis
SJU - STL
SJUSTL
San Juan Luis Munoz Marin Intl
Thu 3/26
5:00 am-12:28 pm
1 stop8h 28m
Lambert-St Louis
Mon 3/30
6:57 pm-11:55 am
1 stop15h 58m
$225
San JuanSt. Louis
SJU - STL
SJUSTL
San Juan Luis Munoz Marin Intl
Fri 2/13
6:30 am-5:15 pm
2 stops12h 45m
Lambert-St Louis
Mon 2/16
2:45 pm-1:05 am
1 stop8h 20m
$225
San JuanSt. Louis
SJU - STL
SJUSTL
San Juan Luis Munoz Marin Intl
Mon 2/2
4:36 pm-11:33 pm
1 stop8h 57m
Lambert-St Louis
Fri 2/6
8:22 pm-10:39 am
1 stop12h 17m
$225
San JuanSt. Louis
SJU - STL
SJUSTL
San Juan Luis Munoz Marin Intl
Thu 1/15
8:20 am-11:12 pm
1 stop16h 52m
Lambert-St Louis
Mon 1/19
6:00 am-5:03 pm
2 stops9h 03m
$233
San JuanSt. Louis
SJU - STL
SJUSTL
San Juan Luis Munoz Marin Intl
Thu 4/16
6:15 am-12:54 pm
1 stop7h 39m
Lambert-St Louis
Sun 4/19
9:00 am-8:06 pm
1 stop10h 06m
$298
San JuanSt. Louis
SJU - STL
SJUSTL
San Juan Luis Munoz Marin Intl
Sat 12/20
5:09 pm-10:33 pm
1 stop7h 24m
Lambert-St Louis
Mon 12/29
4:27 pm-2:50 am
1 stop8h 23m
$305
San JuanSt. Louis
SJU - STL
SJUSTL
San Juan Luis Munoz Marin Intl
Thu 1/29
8:35 am-2:30 pm
1 stop7h 55m
Lambert-St Louis
Sun 2/1
9:57 am-9:00 pm
1 stop9h 03m
$315
NassauSt. Louis
NAS - STL
NASSTL
Nassau Intl
Wed 1/21
3:35 pm-10:58 pm
1 stop8h 23m
Lambert-St Louis
Sun 1/25
6:30 am-3:22 pm
1 stop7h 52m
$361
OranjestadSt. Louis
AUA - STL
AUASTL
Oranjestad Reina Beatrix
Thu 1/22
3:00 pm-10:58 pm
1 stop9h 58m
Lambert-St Louis
Sun 1/25
9:57 am-1:50 pm
2 stops25h 53m
$362
Showing 1-10 of 49 results
Best time to book a flight from Caribbean to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Caribbean 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 Caribbean to St. Louis
What is the cheapest month to book a flight from Caribbean to St. Louis?
Currently, June is the cheapest month in which you can book a flight from Caribbean to St. Louis (average of $125). Flying from Caribbean to St. Louis in August is currently the most expensive (average of $253). 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.
What is the cheapest time of day to fly from CB to STL?
Find hourly flight availability from Caribbean to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 9, 2025.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 50% on flights from Caribbean to St. Louis by exploring options for tickets in the evening.
What is the cheapest day to fly from Caribbean to St. Louis?
Use this chart to determine the cheapest time to fly round-trip from Caribbean to St. Louis. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their Caribbean to St. Louis flight should consider departing on Sunday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated December 9, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from Caribbean to St. Louis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Caribbean to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Swansea
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Caribbean to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Caribbean to St. Louis
Discover the top 4 airlines that operate flights from Caribbean to St. Louis. 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 December 9, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$128 | Average$261 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$205 | Average$375 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$254 | Average$445 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$342 | Average$610 | FlexibilityNo cancel fee | On-time63% |