$106+ Cheap flights from San Juan to Saint Thomas Island (STT)
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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — STT
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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Find cheap flights from San Juan to Saint Thomas Island with Cheapflights
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from San Juan to Saint Thomas Island Cyril E King are usually found in November or March, booked 79 days in advance, depart on a Friday or Saturday and return on a Friday
Cheap flight deals from San Juan to Saint Thomas Island
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Juan to Saint Thomas IslandExplore the most affordable flight options available from San Juan to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
Explore the most affordable flight options available from San Juan to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
This JetBlue deal was found by Cheapflights users on 9/6. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/313:05 pm -
Nonstop0h 39m
Wed 11/45:59 pm -
Nonstop0h 44m
Deal found 9/6![JetBlue logo]()
$209
This JetBlue deal was found by Cheapflights users on 9/9. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:19 pm -
Nonstop0h 35m
Sun 10/184:54 pm -
Nonstop0h 42m
Deal found 9/9![JetBlue logo]()
$229
This JetBlue deal was found by Cheapflights users on 9/8. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:25 pm -
Nonstop0h 36m
Sun 9/273:00 pm -
Nonstop0h 44m
Deal found 9/8![JetBlue logo]()
$230
This JetBlue deal was found by Cheapflights users on 9/5. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/24:30 pm -
Nonstop0h 38m
Sat 11/75:59 pm -
Nonstop0h 44m
Deal found 9/5![JetBlue logo]()
$239
This JetBlue deal was found by Cheapflights users on 9/9. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/153:19 pm -
Nonstop0h 35m
Sat 10/174:54 pm -
Nonstop0h 42m
Deal found 9/9![JetBlue logo]()
$249
This Priceline deal was found by Cheapflights users on 9/6. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/301:25 pm -
Nonstop0h 36m
Mon 10/124:54 pm -
Nonstop0h 42m
Deal found 9/6![JetBlue logo]()
$254
This JetBlue deal was found by Cheapflights users on 9/9. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/113:19 pm -
Nonstop0h 35m
Sat 10/174:54 pm -
Nonstop0h 42m
Deal found 9/9![JetBlue logo]()
$259
This Priceline deal was found by Cheapflights users on 9/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:19 pm -
Nonstop0h 35m
Mon 10/124:54 pm -
Nonstop0h 42m
Deal found 9/7![JetBlue logo]()
$274
This Priceline deal was found by Cheapflights users on 9/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:25 pm -
Nonstop0h 36m
Sat 9/263:00 pm -
Nonstop0h 44m
Deal found 9/9![JetBlue logo]()
$279
This CheapOair deal was found by Cheapflights users on 9/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:25 pm -
Nonstop0h 36m
Sun 9/203:00 pm -
Nonstop0h 44m
Deal found 9/6![JetBlue logo]()
$284
This FlightHub deal was found by Cheapflights users on 9/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/122:00 pm -
Nonstop0h 35m
Mon 9/143:00 pm -
Nonstop0h 44m
Deal found 9/8![Multiple Airlines logo]()
$294
Best flights from San Juan to Saint Thomas IslandDiscover carefully curated flight deals from San Juan to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from San Juan to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This JetBlue deal was found by Cheapflights users on 9/6. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/313:05 pm -
Nonstop0h 39m
Wed 11/45:59 pm -
Nonstop0h 44m
Deal found 9/6![JetBlue logo]()
$209
This JetBlue deal was found by Cheapflights users on 9/5. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/14:30 pm -
Nonstop0h 38m
Mon 11/95:59 pm -
Nonstop0h 44m
Deal found 9/5![JetBlue logo]()
$209
This JetBlue deal was found by Cheapflights users on 9/5. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/313:05 pm -
Nonstop0h 39m
Sun 11/85:59 pm -
Nonstop0h 44m
Deal found 9/5![JetBlue logo]()
$209
This CheapOair deal was found by Cheapflights users on 9/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/41:25 pm -
Nonstop0h 36m
Sat 10/104:54 pm -
Nonstop0h 42m
Deal found 9/8![JetBlue logo]()
$229
This Priceline deal was found by Cheapflights users on 9/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/313:05 pm -
Nonstop0h 39m
Sun 11/15:59 pm -
Nonstop0h 44m
Deal found 9/9![JetBlue logo]()
$229
This JetBlue deal was found by Cheapflights users on 9/8. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:25 pm -
Nonstop0h 36m
Sun 9/273:00 pm -
Nonstop0h 44m
Deal found 9/8![JetBlue logo]()
$230
This JetBlue deal was found by Cheapflights users on 9/5. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/24:30 pm -
Nonstop0h 38m
Mon 11/95:59 pm -
Nonstop0h 44m
Deal found 9/5![JetBlue logo]()
$239
This Priceline deal was found by Cheapflights users on 9/6. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/261:25 pm -
Nonstop0h 36m
Sun 9/273:00 pm -
Nonstop0h 44m
Deal found 9/6![JetBlue logo]()
$239
This JetBlue deal was found by Cheapflights users on 9/7. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:25 pm -
Nonstop0h 36m
Sat 9/263:00 pm -
Nonstop0h 44m
Deal found 9/7![JetBlue logo]()
$259
Last-minute flights from San Juan to Saint Thomas IslandDiscover last-minute flight deals from San Juan to Saint Thomas Island. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from San Juan to Saint Thomas Island. Data last updated September 10, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 9/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/122:00 pm -
Nonstop0h 35m
Mon 9/143:00 pm -
Nonstop0h 44m
Deal found 9/8![Multiple Airlines logo]()
$294
This CheapOair deal was found by Cheapflights users on 9/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:25 pm -
Nonstop0h 36m
Sun 9/203:00 pm -
Nonstop0h 44m
Deal found 9/6![JetBlue logo]()
$284
This JetBlue deal was found by Cheapflights users on 9/5. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/201:25 pm -
Nonstop0h 36m
Thu 9/243:00 pm -
Nonstop0h 44m
Deal found 9/5![JetBlue logo]()
$239
This JetBlue deal was found by Cheapflights users on 9/8. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:25 pm -
Nonstop0h 36m
Sun 9/273:00 pm -
Nonstop0h 44m
Deal found 9/8![JetBlue logo]()
$230
This Priceline deal was found by Cheapflights users on 9/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:25 pm -
Nonstop0h 36m
Sat 9/263:00 pm -
Nonstop0h 44m
Deal found 9/9![JetBlue logo]()
$279
This Priceline deal was found by Cheapflights users on 9/6. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/301:25 pm -
Nonstop0h 36m
Mon 10/124:54 pm -
Nonstop0h 42m
Deal found 9/6![JetBlue logo]()
$254
This JetBlue deal was found by Cheapflights users on 9/9. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:19 pm -
Nonstop0h 35m
Sun 10/184:54 pm -
Nonstop0h 42m
Deal found 9/9![JetBlue logo]()
$229
This Priceline deal was found by Cheapflights users on 9/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:19 pm -
Nonstop0h 35m
Mon 10/124:54 pm -
Nonstop0h 42m
Deal found 9/7![JetBlue logo]()
$274
This JetBlue deal was found by Cheapflights users on 9/9. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/113:19 pm -
Nonstop0h 35m
Sat 10/174:54 pm -
Nonstop0h 42m
Deal found 9/9![JetBlue logo]()
$259
This JetBlue deal was found by Cheapflights users on 9/9. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/153:19 pm -
Nonstop0h 35m
Sat 10/174:54 pm -
Nonstop0h 42m
Deal found 9/9![JetBlue logo]()
$249
This JetBlue deal was found by Cheapflights users on 9/6. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/313:05 pm -
Nonstop0h 39m
Wed 11/45:59 pm -
Nonstop0h 44m
Deal found 9/6![JetBlue logo]()
$209
One-way flights from San Juan to Saint Thomas IslandSearch for one-way flight options from San Juan to Saint Thomas Island. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
Search for one-way flight options from San Juan to Saint Thomas Island. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Mytrip deal was found by Cheapflights users on 9/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1911:48 am -
Nonstop0h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Cape Air logo]()
$106
This JetBlue deal was found by Cheapflights users on 9/6. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/21:25 pm -
Nonstop0h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![JetBlue logo]()
$115
This JetBlue deal was found by Cheapflights users on 9/7. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/51:25 pm -
Nonstop0h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![JetBlue logo]()
$125
This JetBlue deal was found by Cheapflights users on 9/5. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/151:25 pm -
Nonstop0h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![JetBlue logo]()
$145
This JetBlue deal was found by Cheapflights users on 9/7. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/182:30 pm -
Nonstop0h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![JetBlue logo]()
$155
This JetBlue deal was found by Cheapflights users on 9/7. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/73:31 pm -
Nonstop0h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![JetBlue logo]()
$160
This JetBlue deal was found by Cheapflights users on 9/7. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/84:30 pm -
Nonstop0h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![JetBlue logo]()
$175
Find flight deals from San Juan to Saint Thomas Island
Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) to Saint Thomas Island (STT). 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 September 10, 2026.
Round-trip from | $209 (JetBlue) |
|---|---|
One-way from | $106 (Mytrip) |
Popular in | August |
Cheapest in | November |
Average price | $178 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Juan to Saint Thomas Island 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 7,457,451 searches. Data last updated September 10, 2026.
Use the filters below to find and compare flights from San Juan to Saint Thomas Island that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JuanSaint Thomas Island
SJU San Juan Luis Munoz Marin Intl - STT Saint Thomas Island Cyril E King
SJUSTT
San Juan Luis Munoz Marin Intl
Thu 12/24
1:54 pm-2:31 pm
Nonstop0h 37m
Saint Thomas Island Cyril E King
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$115
Quickest round-trip
San JuanSaint Thomas Island
SJU San Juan Luis Munoz Marin Intl - STT Saint Thomas Island Cyril E King
SJUSTT
San Juan Luis Munoz Marin Intl
Fri 10/9
3:19 pm-3:54 pm
Nonstop0h 35m
Saint Thomas Island Cyril E King
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$115
San JuanSaint Thomas Island
SJU San Juan Luis Munoz Marin Intl - STT Saint Thomas Island Cyril E King
SJUSTT
San Juan Luis Munoz Marin Intl
Tue 10/6
1:25 pm-2:01 pm
Nonstop0h 36m
Saint Thomas Island Cyril E King
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$115
San JuanSaint Thomas Island
SJU San Juan Luis Munoz Marin Intl - STT Saint Thomas Island Cyril E King
SJUSTT
San Juan Luis Munoz Marin Intl
Wed 10/14
3:19 pm-3:54 pm
Nonstop0h 35m
Saint Thomas Island Cyril E King
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$115
San JuanSaint Thomas Island
SJU San Juan Luis Munoz Marin Intl - STT Saint Thomas Island Cyril E King
SJUSTT
San Juan Luis Munoz Marin Intl
Wed 10/7
1:25 pm-2:01 pm
Nonstop0h 36m
Saint Thomas Island Cyril E King
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$115
San JuanSaint Thomas Island
SJU San Juan Luis Munoz Marin Intl - STT Saint Thomas Island Cyril E King
SJUSTT
San Juan Luis Munoz Marin Intl
Thu 10/15
3:19 pm-3:54 pm
Nonstop0h 35m
Saint Thomas Island Cyril E King
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$115
San JuanSaint Thomas Island
SJU San Juan Luis Munoz Marin Intl - STT Saint Thomas Island Cyril E King
SJUSTT
San Juan Luis Munoz Marin Intl
Sat 11/7
4:30 pm-5:08 pm
Nonstop0h 38m
Saint Thomas Island Cyril E King
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$115
San JuanSaint Thomas Island
SJU San Juan Luis Munoz Marin Intl - STT Saint Thomas Island Cyril E King
SJUSTT
San Juan Luis Munoz Marin Intl
Thu 11/5
4:30 pm-5:08 pm
Nonstop0h 38m
Saint Thomas Island Cyril E King
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$125
San JuanSaint Thomas Island
SJU San Juan Luis Munoz Marin Intl - STT Saint Thomas Island Cyril E King
SJUSTT
San Juan Luis Munoz Marin Intl
Wed 11/11
4:30 pm-5:08 pm
Nonstop0h 38m
Saint Thomas Island Cyril E King
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$125
San JuanSaint Thomas Island
SJU San Juan Luis Munoz Marin Intl - STT Saint Thomas Island Cyril E King
SJUSTT
San Juan Luis Munoz Marin Intl
Tue 11/10
4:30 pm-5:08 pm
Nonstop0h 38m
Saint Thomas Island Cyril E King
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$125
Showing 1-10 of 19 resultsSorted by cheapest first
Best time to book a flight from San Juan to Saint Thomas Island
Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from San Juan with our price prediction graph.
PR1-STT
SJU-STT
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 San Juan to Saint Thomas Island
PR1-STT
SJU-STT
What is the cheapest month to book a flight from San Juan to Saint Thomas Island?
Currently, November is the cheapest month in which you can book a flight from San Juan to Saint Thomas Island (average of $158). Flying from San Juan to Saint Thomas Island in August is currently the most expensive (average of $363). 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 SJU to STT?
Find hourly flight availability from San Juan to Saint Thomas Island. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 10, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Juan to Saint Thomas Island as you normally would.
Weekly flight availability from San Juan to Saint Thomas Island
Explore weekly flight availability from San Juan to Saint Thomas Island. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 10, 2026.
The most flights from PR1 to STT are scheduled on a Tuesday (9 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).
How much does it cost to fly round-trip from San Juan to Saint Thomas Island?
Airfare is typical for this route at the moment.
San Juan to Saint Thomas Island flights typically cost between $138 and $248 in October.The cheapest round-trip price found within the last 5 days was $209 on JetBlue (Oct 31-Nov 4).
How often are flights from San Juan to Saint Thomas Island delayed?
About 13% of weekly flights between San Juan and Saint Thomas Island have experienced delays in the past year, with the average delay time being 83 minutes.
What is the most punctual flight time for San Juan to Saint Thomas Island flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Sunday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on San Juan to Saint Thomas Island flights?
Over the last year, Cape Air have had the lowest number of delays on this route, with just 10% of flights being delayed.
How far ahead should I book a flight from San Juan to Saint Thomas Island?
The price you pay for your flight from San Juan to Saint Thomas Island may vary depending on when you book. For the best chance of a lower fare, look to book 72 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing Saint Thomas Island
Get insights into the airlines that provide service to Saint Thomas Island. 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 Saint Thomas Island. Reviews last updated September 10, 2026.
Read through reviews of airlines operating flights from San Juan to Saint Thomas Island, such as Cape Air and JetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Related info for your journey
Find useful and relevant information for your journey from San Juan to Saint Thomas Island. 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 Saint Thomas Island?
Book flights to Saint Thomas Island if you plan to visit one of these locationsSt. John
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Saint Thomas Island flight routes
Alternative routes for San Juan to Saint Thomas Island
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San Juan and Saint Thomas Island flights
Browse other San Juan and Saint Thomas Island flight options. Last updated on September 10, 2026.
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Other flights to Saint Thomas Island
Explore flights to Saint Thomas Island departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 10, 2026.
Top 2 airlines flying from San Juan to Saint Thomas Island
Discover the top 2 airlines that operate flights from San Juan to Saint Thomas Island. 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 7,457,451 searches. Data last updated September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$118 | Average$215 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$204 | Average$398 | FlexibilityNo cancel fee | On-time63% |