$165+ Cheap flights from Saint Thomas Island (STT) to San Juan
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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
STT — SJU
Sep 21 — Sep 281
Round-trip
1 adult, Economy
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Find cheap flights from Saint Thomas Island to San Juan 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 Saint Thomas Island Cyril E King to San Juan are usually found in November or February, booked 49 days in advance, depart on a Friday or Wednesday and return on a Friday
Cheap flight deals from Saint Thomas Island to San Juan
Cheapest
Best
Last-minute
One-way
Cheapest flights from Saint Thomas Island to San JuanExplore the most affordable flight options available from Saint Thomas Island to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 22, 2026.
Explore the most affordable flight options available from Saint Thomas Island to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 22, 2026.
This CheapOair deal was found by Cheapflights users on 8/17. 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
Sat 10/103:19 pm -
Nonstop0h 35m
Deal found 8/17![JetBlue logo]()
$189
This CheapOair deal was found by Cheapflights users on 8/21. 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 8/21![JetBlue logo]()
$209
This CheapOair deal was found by Cheapflights users on 8/17. 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 10/204:54 pm -
Nonstop0h 42m
Fri 10/233:19 pm -
Nonstop0h 35m
Deal found 8/17![JetBlue logo]()
$219
This JetBlue deal was found by Cheapflights users on 8/17. 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 9/93:00 pm -
Nonstop0h 44m
Sat 9/191:25 pm -
Nonstop0h 36m
Deal found 8/17![JetBlue logo]()
$234
This JetBlue deal was found by Cheapflights users on 8/17. 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 9/113:00 pm -
Nonstop0h 44m
Fri 9/181:25 pm -
Nonstop0h 36m
Deal found 8/17![JetBlue logo]()
$249
This Priceline deal was found by Cheapflights users on 8/21. 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 10/94:54 pm -
Nonstop0h 42m
Mon 10/123:19 pm -
Nonstop0h 35m
Deal found 8/21![JetBlue logo]()
$264
This JetBlue deal was found by Cheapflights users on 8/17. 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 9/143:00 pm -
Nonstop0h 44m
Fri 9/181:25 pm -
Nonstop0h 36m
Deal found 8/17![JetBlue logo]()
$269
This FlightHub deal was found by Cheapflights users on 8/18. 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 10/2812:57 pm -
Nonstop0h 35m
Sat 10/313:05 pm -
Nonstop0h 40m
Deal found 8/18![Multiple Airlines logo]()
$288
This JetBlue deal was found by Cheapflights users on 8/17. 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 9/85:05 pm -
Nonstop0h 46m
Wed 9/161:25 pm -
Nonstop0h 36m
Deal found 8/17![JetBlue logo]()
$289
This Priceline deal was found by Cheapflights users on 8/18. 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.
Tue 9/153:00 pm -
Nonstop0h 35m
Tue 9/221:25 pm -
Nonstop0h 36m
Deal found 8/18![Multiple Airlines logo]()
$294
This CheapOair deal was found by Cheapflights users on 8/19. 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 9/33:45 pm -
Nonstop0h 42m
Mon 9/72:17 pm -
Nonstop0h 38m
Deal found 8/19![JetBlue logo]()
$299
This FlightHub deal was found by Cheapflights users on 8/18. 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 9/45:45 pm -
Nonstop0h 35m
Mon 9/72:17 pm -
Nonstop0h 38m
Deal found 8/18![Multiple Airlines logo]()
$308
Best flights from Saint Thomas Island to San JuanDiscover carefully curated flight deals from Saint Thomas Island to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.
Discover carefully curated flight deals from Saint Thomas Island to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.
This CheapOair deal was found by Cheapflights users on 8/22. 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 8/22![JetBlue logo]()
$189
This JetBlue deal was found by Cheapflights users on 8/21. 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 8/21![JetBlue logo]()
$189
This Priceline deal was found by Cheapflights users on 8/21. 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 10/284:40 pm -
Nonstop0h 47m
Sat 11/74:05 pm -
Nonstop0h 39m
Deal found 8/21![JetBlue logo]()
$189
This JetBlue deal was found by Cheapflights users on 8/17. 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 10/244:54 pm -
Nonstop0h 42m
Tue 10/273:05 pm -
Nonstop0h 40m
Deal found 8/17![JetBlue logo]()
$189
This Priceline deal was found by Cheapflights users on 8/18. 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.
Tue 9/223:00 pm -
Nonstop0h 44m
Fri 9/251:25 pm -
Nonstop0h 36m
Deal found 8/18![JetBlue logo]()
$219
This JetBlue deal was found by Cheapflights users on 8/17. 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 9/123:00 pm -
Nonstop0h 44m
Sun 9/131:25 pm -
Nonstop0h 36m
Deal found 8/17![JetBlue logo]()
$234
This JetBlue deal was found by Cheapflights users on 8/17. 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 9/113:00 pm -
Nonstop0h 44m
Sat 9/191:25 pm -
Nonstop0h 36m
Deal found 8/17![JetBlue logo]()
$249
This JetBlue deal was found by Cheapflights users on 8/17. 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 9/133:00 pm -
Nonstop0h 44m
Thu 9/171:25 pm -
Nonstop0h 36m
Deal found 8/17![JetBlue logo]()
$289
This JetBlue deal was found by Cheapflights users on 8/17. 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 9/133:00 pm -
Nonstop0h 44m
Wed 9/161:25 pm -
Nonstop0h 36m
Deal found 8/17![JetBlue logo]()
$289
This JetBlue deal was found by Cheapflights users on 8/17. 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 9/85:05 pm -
Nonstop0h 46m
Fri 9/181:25 pm -
Nonstop0h 36m
Deal found 8/17![JetBlue logo]()
$289
This JetBlue deal was found by Cheapflights users on 8/17. 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 9/85:05 pm -
Nonstop0h 46m
Tue 9/151:25 pm -
Nonstop0h 36m
Deal found 8/17![JetBlue logo]()
$289
Last-minute flights from Saint Thomas Island to San JuanDiscover last-minute flight deals from Saint Thomas Island to San Juan. Data last updated August 22, 2026 and is based on user searches.
Discover last-minute flight deals from Saint Thomas Island to San Juan. Data last updated August 22, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 8/18. 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 9/27:45 pm -
1 stop21h 49m
Sun 9/62:17 pm -
Nonstop0h 38m
Deal found 8/18![Multiple Airlines logo]()
$328
This CheapOair deal was found by Cheapflights users on 8/19. 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 9/33:45 pm -
Nonstop0h 42m
Mon 9/72:17 pm -
Nonstop0h 38m
Deal found 8/19![JetBlue logo]()
$299
This Priceline deal was found by Cheapflights users on 8/20. 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 9/32:19 pm -
1 stop3h 15m
Wed 9/91:25 pm -
Nonstop0h 36m
Deal found 8/20![Multiple Airlines logo]()
$323
This FlightHub deal was found by Cheapflights users on 8/18. 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 9/45:45 pm -
Nonstop0h 35m
Mon 9/72:17 pm -
Nonstop0h 38m
Deal found 8/18![Multiple Airlines logo]()
$308
This JetBlue deal was found by Cheapflights users on 8/17. 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 9/85:05 pm -
Nonstop0h 46m
Wed 9/161:25 pm -
Nonstop0h 36m
Deal found 8/17![JetBlue logo]()
$289
This JetBlue deal was found by Cheapflights users on 8/17. 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 9/93:00 pm -
Nonstop0h 44m
Fri 9/181:25 pm -
Nonstop0h 36m
Deal found 8/17![JetBlue logo]()
$234
This JetBlue deal was found by Cheapflights users on 8/17. 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 9/113:00 pm -
Nonstop0h 44m
Fri 9/181:25 pm -
Nonstop0h 36m
Deal found 8/17![JetBlue logo]()
$249
This JetBlue deal was found by Cheapflights users on 8/17. 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 9/133:00 pm -
Nonstop0h 44m
Tue 9/151:25 pm -
Nonstop0h 36m
Deal found 8/17![JetBlue logo]()
$309
This JetBlue deal was found by Cheapflights users on 8/17. 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 9/143:00 pm -
Nonstop0h 44m
Fri 9/181:25 pm -
Nonstop0h 36m
Deal found 8/17![JetBlue logo]()
$269
This Priceline deal was found by Cheapflights users on 8/18. 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.
Tue 9/153:00 pm -
Nonstop0h 35m
Tue 9/221:25 pm -
Nonstop0h 36m
Deal found 8/18![Multiple Airlines logo]()
$294
This Priceline deal was found by Cheapflights users on 8/20. 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
Mon 9/211:25 pm -
Nonstop0h 36m
Deal found 8/20![JetBlue logo]()
$219
One-way flights from Saint Thomas Island to San JuanSearch for one-way flight options from Saint Thomas Island to San Juan. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.
Search for one-way flight options from Saint Thomas Island to San Juan. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.
This CheapOair deal was found by Cheapflights users on 8/18. 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.
Fri 9/113:00 pm -
Nonstop0h 44m
Deal found 8/18![JetBlue logo]()
$165
This Priceline deal was found by Cheapflights users on 8/19. 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
Deal found 8/19![JetBlue logo]()
$174
This Booking.com deal was found by Cheapflights users on 8/21. 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.
Wed 11/2512:57 pm -
Nonstop0h 35m
Deal found 8/21![Cape Air logo]()
$176
This Booking.com deal was found by Cheapflights users on 8/19. 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.
Tue 10/205:45 pm -
Nonstop0h 35m
Deal found 8/19![Cape Air logo]()
$177
This Booking.com deal was found by Cheapflights users on 8/17. 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.
Tue 9/153:00 pm -
Nonstop0h 35m
Deal found 8/17![Cape Air logo]()
$178
This Super.com deal was found by Cheapflights users on 8/19. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/183:00 pm -
Nonstop0h 44m
Deal found 8/19![JetBlue logo]()
$182
This Booking.com deal was found by Cheapflights users on 8/19. 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.
Fri 10/95:45 pm -
Nonstop0h 35m
Deal found 8/19![Cape Air logo]()
$183
This FlightHub deal was found by Cheapflights users on 8/22. 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 11/133:00 pm -
Nonstop0h 35m
Deal found 8/22![Cape Air logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 2/1511:46 am -
Nonstop0h 35m
Deal found 8/18![Cape Air logo]()
$186
This Booking.com deal was found by Cheapflights users on 8/21. 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 9/145:40 pm -
Nonstop0h 35m
Deal found 8/21![Cape Air logo]()
$196
This Booking.com deal was found by Cheapflights users on 8/18. 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.
Fri 9/45:40 pm -
Nonstop0h 35m
Deal found 8/18![Cape Air logo]()
$197
Find flight deals from Saint Thomas Island to San Juan
Discover tips and strategies to find the most affordable flight options for your journey from Saint Thomas Island (STT) to San Juan (PR1). 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 August 22, 2026.
Round-trip from | $189 (CheapOair) |
|---|---|
One-way from | $165 (CheapOair) |
Popular in | June |
Cheapest in | November |
Average price | $258 |
Cheapflights Fare Finder
Customize your flight search to find flights from Saint Thomas Island to San Juan 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 August 22, 2026.
Use the filters below to find and compare flights from Saint Thomas Island to San Juan that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
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
Thu 10/1
3:00 pm-3:44 pm
Nonstop0h 44m
San Juan Luis Munoz Marin Intl
Sun 10/4
1:25 pm-2:01 pm
Nonstop0h 36m
$189
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 10/4
3:00 pm-3:44 pm
Nonstop0h 44m
San Juan Luis Munoz Marin Intl
Wed 10/7
1:25 pm-2:01 pm
Nonstop0h 36m
$189
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 10/28
4:40 pm-5:27 pm
Nonstop0h 47m
San Juan Luis Munoz Marin Intl
Sat 11/7
4:05 pm-4:44 pm
Nonstop0h 39m
$189
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
Sat 10/24
4:54 pm-5:36 pm
Nonstop0h 42m
San Juan Luis Munoz Marin Intl
Tue 10/27
3:05 pm-3:45 pm
Nonstop0h 40m
$189
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 9/22
3:00 pm-3:44 pm
Nonstop0h 44m
San Juan Luis Munoz Marin Intl
Fri 9/25
1:25 pm-2:01 pm
Nonstop0h 36m
$219
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
Sat 9/12
3:00 pm-3:44 pm
Nonstop0h 44m
San Juan Luis Munoz Marin Intl
Sun 9/13
1:25 pm-2:01 pm
Nonstop0h 36m
$234
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 9/11
3:00 pm-3:44 pm
Nonstop0h 44m
San Juan Luis Munoz Marin Intl
Sat 9/19
1:25 pm-2:01 pm
Nonstop0h 36m
$249
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 9/13
3:00 pm-3:44 pm
Nonstop0h 44m
San Juan Luis Munoz Marin Intl
Thu 9/17
1:25 pm-2:01 pm
Nonstop0h 36m
$289
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 9/13
3:00 pm-3:44 pm
Nonstop0h 44m
San Juan Luis Munoz Marin Intl
Wed 9/16
1:25 pm-2:01 pm
Nonstop0h 36m
$289
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 9/8
5:05 pm-5:51 pm
Nonstop0h 46m
San Juan Luis Munoz Marin Intl
Fri 9/18
1:25 pm-2:01 pm
Nonstop0h 36m
$289
Showing 1-10 of 21 resultsSorted by cheapest first
Best time to book a flight from Saint Thomas Island to San Juan
Have a flexible travel schedule? Discover the best time to fly to San Juan from Saint Thomas Island with our price prediction graph.
STT-PR1
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 San Juan
STT-PR1
STT-SJU
What is the cheapest month to book a flight from Saint Thomas Island to San Juan?
Currently, November is the cheapest month in which you can book a flight from Saint Thomas Island to San Juan (average of $168). Flying from Saint Thomas Island to San Juan in June is currently the most expensive (average of $321). 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 SJU?
Find hourly flight availability from Saint Thomas Island to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 22, 2026.
When flying from Saint Thomas Island to San Juan, 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 San Juan
Explore weekly flight availability from Saint Thomas Island to San Juan. 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 August 22, 2026.
The most flights from STT to PR1 are scheduled on a Friday (12 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).
How much does it cost to fly round-trip from Saint Thomas Island to San Juan?
Airfare is typical for this route at the moment.
Saint Thomas Island to San Juan flights typically cost between $162 and $298 in October.The cheapest round-trip price found within the last 5 days was $189 on JetBlue (Oct 1-Oct 10).
How far ahead should I book a flight from Saint Thomas Island to San Juan?
Booking 46 days in advance of your planned departure date is, on average, the best time to get cheap flights from Saint Thomas Island to San Juan. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing San Juan
Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated August 22, 2026.
Read reviews from past customers who have flown Cape Air and JetBlue from Saint Thomas Island to San Juan. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Related info for your journey
Find useful and relevant information for your journey from Saint Thomas Island to San Juan. 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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Saint Thomas Island and San Juan flights
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Top 2 airlines flying from Saint Thomas Island to San Juan
Discover the top 2 airlines that operate flights from Saint Thomas Island to San Juan. 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 August 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$128 | Average$250 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$204 | Average$384 | FlexibilityNo cancel fee | On-time63% |