$115+ Cheap flights from Saint Thomas Island (STT) to Puerto Rico
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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
STT — SJU
Oct 6 — Oct 131
Round-trip
1 adult, Economy
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Find cheap flights from Saint Thomas Island to Puerto Rico 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.Cheap flight deals from Saint Thomas Island to Puerto Rico
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Best
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One-way
Cheapest flights from Saint Thomas Island to Puerto RicoExplore the most affordable flight options available from Saint Thomas Island to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 6, 2026.
Explore the most affordable flight options available from Saint Thomas Island to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 6, 2026.
This JetBlue deal was found by Cheapflights users on 9/2. 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 10/204:54 pm -
Nonstop0h 42m
Sat 10/243:19 pm -
Nonstop0h 35m
Deal found 9/2![JetBlue logo]()
$209
This FlightHub deal was found by Cheapflights users on 9/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/214:54 pm -
Nonstop0h 42m
Mon 10/263:05 pm -
Nonstop0h 39m
Deal found 9/4![JetBlue logo]()
$218
This JetBlue deal was found by Cheapflights users on 9/4. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/33:00 pm -
Nonstop0h 44m
Mon 10/51:25 pm -
Nonstop0h 36m
Deal found 9/4![JetBlue logo]()
$219
This JetBlue deal was found by Cheapflights users on 9/1. 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 10/43:00 pm -
Nonstop0h 44m
Tue 10/61:25 pm -
Nonstop0h 36m
Deal found 9/1![JetBlue logo]()
$229
This CheapOair deal was found by Cheapflights users on 9/2. 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.
Thu 10/13:00 pm -
Nonstop0h 44m
Sun 10/41:25 pm -
Nonstop0h 36m
Deal found 9/2![JetBlue logo]()
$239
This CheapOair deal was found by Cheapflights users on 9/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/233:22 pm -
Nonstop0h 48m
Fri 1/11:54 pm -
Nonstop0h 37m
Deal found 9/4![JetBlue logo]()
$254
This CheapOair deal was found by Cheapflights users on 9/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/84:54 pm -
Nonstop0h 42m
Sat 10/103:19 pm -
Nonstop0h 35m
Deal found 9/3![JetBlue logo]()
$259
This 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/112:35 pm -
Nonstop0h 47m
Sun 12/131:05 pm -
Nonstop0h 38m
Deal found 9/6![JetBlue logo]()
$269
This Booking.com deal was found by Cheapflights users on 9/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:40 pm -
Nonstop0h 35m
Mon 9/71:15 pm -
Nonstop0h 50m
Deal found 9/3![Cape Air logo]()
$281
This Priceline deal was found by Cheapflights users on 9/4. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/193:00 pm -
Nonstop0h 44m
Wed 9/231:25 pm -
Nonstop0h 36m
Deal found 9/4![JetBlue logo]()
$289
This FlightHub deal was found by Cheapflights users on 9/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:49 am -
Nonstop0h 35m
Mon 10/263:05 pm -
Nonstop0h 39m
Deal found 9/3![Multiple Airlines logo]()
$298
This deal was found by Cheapflights users on 9/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:00 pm -
Nonstop0h 44m
Mon 9/211:25 pm -
Nonstop0h 36m
Deal found 9/3![JetBlue logo]()
$299
Best flights from Saint Thomas Island to Puerto RicoDiscover carefully curated flight deals from Saint Thomas Island to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 6, 2026.
Discover carefully curated flight deals from Saint Thomas Island to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 6, 2026.
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.
Thu 10/13:00 pm -
Nonstop0h 44m
Sun 10/41:25 pm -
Nonstop0h 36m
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 10/43:00 pm -
Nonstop0h 44m
Wed 10/71:25 pm -
Nonstop0h 36m
Deal found 9/5![JetBlue logo]()
$209
This JetBlue deal was found by Cheapflights users on 9/3. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/224:54 pm -
Nonstop0h 42m
Mon 10/263:05 pm -
Nonstop0h 39m
Deal found 9/3![JetBlue logo]()
$209
This JetBlue deal was found by Cheapflights users on 9/4. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/33:00 pm -
Nonstop0h 44m
Mon 10/51:25 pm -
Nonstop0h 36m
Deal found 9/4![JetBlue logo]()
$219
This JetBlue deal was found by Cheapflights users on 9/1. 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 10/43:00 pm -
Nonstop0h 44m
Tue 10/61:25 pm -
Nonstop0h 36m
Deal found 9/1![JetBlue logo]()
$229
This Priceline deal was found by Cheapflights users on 9/2. 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 9/283:00 pm -
Nonstop0h 44m
Wed 9/301:25 pm -
Nonstop0h 36m
Deal found 9/2![JetBlue logo]()
$229
This JetBlue deal was found by Cheapflights users on 9/3. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:40 pm -
Nonstop0h 50m
Mon 11/24:30 pm -
Nonstop0h 38m
Deal found 9/3![JetBlue logo]()
$239
This JetBlue deal was found by Cheapflights users on 9/3. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/264:40 pm -
Nonstop0h 50m
Thu 11/54:30 pm -
Nonstop0h 38m
Deal found 9/3![JetBlue logo]()
$239
This JetBlue deal was found by Cheapflights users on 9/4. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/204:00 pm -
Nonstop0h 43m
Sun 1/242:30 pm -
Nonstop0h 35m
Deal found 9/4![JetBlue logo]()
$269
This CheapOair deal was found by Cheapflights users on 9/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/94:00 pm -
Nonstop0h 43m
Fri 2/122:26 pm -
Nonstop0h 35m
Deal found 9/4![JetBlue logo]()
$319
Last-minute flights from Saint Thomas Island to Puerto RicoDiscover last-minute flight deals from Saint Thomas Island to Puerto Rico. Data last updated September 6, 2026 and is based on user searches.
Discover last-minute flight deals from Saint Thomas Island to Puerto Rico. Data last updated September 6, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 9/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:40 pm -
Nonstop0h 35m
Mon 9/71:15 pm -
Nonstop0h 50m
Deal found 9/3![Cape Air logo]()
$281
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:05 pm -
Nonstop0h 46m
Sat 9/122:00 pm -
Nonstop0h 35m
Deal found 9/6![Multiple Airlines logo]()
$307
This deal was found by Cheapflights users on 9/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:00 pm -
Nonstop0h 44m
Mon 9/211:25 pm -
Nonstop0h 36m
Deal found 9/3![JetBlue logo]()
$299
This Priceline deal was found by Cheapflights users on 9/4. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/193:00 pm -
Nonstop0h 44m
Wed 9/231:25 pm -
Nonstop0h 36m
Deal found 9/4![JetBlue logo]()
$289
This Priceline deal was found by Cheapflights users on 9/2. 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 9/303:00 pm -
Nonstop0h 44m
Tue 10/67:15 am -
Nonstop0h 35m
Deal found 9/2![Multiple Airlines logo]()
$304
This CheapOair deal was found by Cheapflights users on 9/2. 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.
Thu 10/13:00 pm -
Nonstop0h 44m
Sun 10/41:25 pm -
Nonstop0h 36m
Deal found 9/2![JetBlue logo]()
$239
This JetBlue deal was found by Cheapflights users on 9/4. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/33:00 pm -
Nonstop0h 44m
Mon 10/51:25 pm -
Nonstop0h 36m
Deal found 9/4![JetBlue logo]()
$219
This JetBlue deal was found by Cheapflights users on 9/1. 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 10/43:00 pm -
Nonstop0h 44m
Tue 10/61:25 pm -
Nonstop0h 36m
Deal found 9/1![JetBlue logo]()
$229
This CheapOair deal was found by Cheapflights users on 9/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/84:54 pm -
Nonstop0h 42m
Sat 10/103:19 pm -
Nonstop0h 35m
Deal found 9/3![JetBlue logo]()
$259
This JetBlue deal was found by Cheapflights users on 9/2. 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 10/204:54 pm -
Nonstop0h 42m
Sat 10/243:19 pm -
Nonstop0h 35m
Deal found 9/2![JetBlue logo]()
$209
This FlightHub deal was found by Cheapflights users on 9/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/214:54 pm -
Nonstop0h 42m
Mon 10/263:05 pm -
Nonstop0h 39m
Deal found 9/4![JetBlue logo]()
$218
This FlightHub deal was found by Cheapflights users on 9/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:49 am -
Nonstop0h 35m
Mon 10/263:05 pm -
Nonstop0h 39m
Deal found 9/3![Multiple Airlines logo]()
$298
One-way flights from Saint Thomas Island to Puerto RicoSearch for one-way flight options from Saint Thomas Island to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated September 6, 2026.
Search for one-way flight options from Saint Thomas Island to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated September 6, 2026.
This JetBlue deal was found by Cheapflights users on 9/2. 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 10/33:00 pm -
Nonstop0h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![JetBlue logo]()
$115
This Jetabroad deal was found by Cheapflights users on 9/2. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:54 pm -
Nonstop0h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![JetBlue logo]()
$120
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 2/275:01 pm -
Nonstop0h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![JetBlue logo]()
$145
This Jetabroad 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:59 pm -
Nonstop0h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![JetBlue logo]()
$152
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:39 am -
Nonstop0h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Cape Air logo]()
$157
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 2/265:01 pm -
Nonstop0h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![JetBlue logo]()
$160
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/55:01 pm -
Nonstop0h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![JetBlue logo]()
$166
This JetBlue deal was found by Cheapflights users on 9/2. 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 11/302:30 pm -
Nonstop0h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![JetBlue logo]()
$175
This Booking.com deal was found by Cheapflights users on 9/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:45 pm -
Nonstop0h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Cape Air logo]()
$176
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/195:40 pm -
Nonstop0h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Cape Air logo]()
$177
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/135:45 pm -
Nonstop0h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Cape Air logo]()
$178
Find flight deals from Saint Thomas Island to Puerto Rico
Keep the following information in mind while searching for Saint Thomas Island to Puerto Rico flight deals. Data was last updated September 6, 2026.
Round-trip from | $209 (JetBlue) |
|---|---|
One-way from | $115 (JetBlue) |
Popular in | August |
Cheapest in | November |
Average price | $248 |
Good round-trip deal | $387 or less |
Good one-way deal | $167 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Saint Thomas Island to Puerto Rico 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 6, 2026.
Use the filters below to find and compare flights from Saint Thomas Island to Puerto Rico that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Saint Thomas IslandSan Juan
STT Saint Thomas Island Cyril E King - SJU San Juan Luis Munoz Marin Intl
STTSJU
Saint Thomas Island Cyril E King
Sun 12/6
2:35 pm-3:22 pm
Nonstop0h 47m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$115
Saint Thomas IslandSan Juan
STT Saint Thomas Island Cyril E King - SJU San Juan Luis Munoz Marin Intl
STTSJU
Saint Thomas Island Cyril E King
Mon 11/2
5:59 pm-6:43 pm
Nonstop0h 44m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$115
Saint Thomas IslandSan Juan
STT Saint Thomas Island Cyril E King - SJU San Juan Luis Munoz Marin Intl
STTSJU
Saint Thomas Island Cyril E King
Wed 11/4
5:59 pm-6:43 pm
Nonstop0h 44m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$115
Saint Thomas IslandSan Juan
STT Saint Thomas Island Cyril E King - SJU San Juan Luis Munoz Marin Intl
STTSJU
Saint Thomas Island Cyril E King
Fri 10/2
3:00 pm-3:44 pm
Nonstop0h 44m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$115
Saint Thomas IslandSan Juan
STT Saint Thomas Island Cyril E King - SJU San Juan Luis Munoz Marin Intl
STTSJU
Saint Thomas Island Cyril E King
Thu 11/5
5:59 pm-6:43 pm
Nonstop0h 44m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$115
Saint Thomas IslandSan Juan
STT Saint Thomas Island Cyril E King - SJU San Juan Luis Munoz Marin Intl
STTSJU
Saint Thomas Island Cyril E King
Tue 10/6
3:00 pm-3:44 pm
Nonstop0h 44m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$115
Saint Thomas IslandSan Juan
STT Saint Thomas Island Cyril E King - SJU San Juan Luis Munoz Marin Intl
STTSJU
Saint Thomas Island Cyril E King
Thu 10/29
5:04 pm-5:55 pm
Nonstop0h 51m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$115
Saint Thomas IslandSan Juan
STT Saint Thomas Island Cyril E King - SJU San Juan Luis Munoz Marin Intl
STTSJU
Saint Thomas Island Cyril E King
Sun 11/1
5:59 pm-6:43 pm
Nonstop0h 44m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$115
Quickest round-trip
Saint Thomas IslandSan Juan
STT Saint Thomas Island Cyril E King - SJU San Juan Luis Munoz Marin Intl
STTSJU
Saint Thomas Island Cyril E King
Fri 10/23
4:54 pm-5:36 pm
Nonstop0h 42m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$145
Saint Thomas IslandSan Juan
STT Saint Thomas Island Cyril E King - SJU San Juan Luis Munoz Marin Intl
STTSJU
Saint Thomas Island Cyril E King
Tue 3/2
5:01 pm-5:44 pm
Nonstop0h 43m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$145
Showing 1-10 of 20 resultsSorted by cheapest first
Best time to book a flight from Saint Thomas Island to Puerto Rico
Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Saint Thomas Island with our price prediction graph.
STT-SJU
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 Saint Thomas Island to Puerto Rico
STT-PR0
STT-SJU
What is the cheapest month to book a flight from Saint Thomas Island to Puerto Rico?
Currently, November is the cheapest month in which you can book a flight from Saint Thomas Island to Puerto Rico (average of $168). Flying from Saint Thomas Island to Puerto Rico in August is currently the most expensive (average of $388). 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 STT to PR?
Find hourly flight availability from Saint Thomas Island to Puerto Rico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 6, 2026.
When flying from Saint Thomas Island to Puerto Rico, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from Saint Thomas Island to Puerto Rico
Explore weekly flight availability from Saint Thomas Island to Puerto Rico. 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 6, 2026.
The most flights from STT to PR0 are scheduled on a Saturday (12 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).
How far ahead should I book a flight from Saint Thomas Island to Puerto Rico?
The price you pay for your flight from Saint Thomas Island to Puerto Rico may vary depending on when you book. For the best chance of a lower fare, look to book 49 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing Puerto Rico
Get insights into the airlines that provide service to Puerto Rico. 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 Puerto Rico. Reviews last updated September 6, 2026.
Read through reviews of airlines operating flights from Saint Thomas Island to Puerto Rico, 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 Saint Thomas Island to Puerto Rico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Saint Thomas Island to Puerto Rico
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Complete your trip
Complete your trip to Puerto Rico by adding a car rental and/or hotel reservation to your travel itinerary.
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Saint Thomas Island and Puerto Rico flights
Browse other Saint Thomas Island and Puerto Rico flight options. Last updated on September 6, 2026.
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Top 2 airlines flying from Saint Thomas Island to Puerto Rico
Discover the top 2 airlines that operate flights from Saint Thomas Island to Puerto Rico. 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 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$128 | Average$253 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$204 | Average$400 | FlexibilityNo cancel fee | On-time63% |