$115+ Cheap flights from Trenton, NJ (TTN) to Puerto Rico
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 7/18. Fares are subject to change and may not be available on all flights or dates of travel.
TTN — SJU
Jun 12 — Jun 191
Round-trip
1 adult, Economy
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Find cheap flights from Trenton 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
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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 Trenton to Puerto Rico
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Cheapest flights from Trenton to Puerto RicoExplore the most affordable flight options available from Trenton to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 13, 2026.
Explore the most affordable flight options available from Trenton to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 13, 2026.
This Expedia deal was found by Cheapflights users on 5/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/54:27 pm
TTN
- SJU
1 stop8h 14m
Frontier
Wed 8/196:00 am
SJU
- TTN
1 stop27h 47m
Frontier
Deal found 5/10![Frontier logo]()
$236
This Super.com deal was found by Cheapflights users on 5/12. 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.
Wed 8/54:27 pm
TTN
- SJU
1 stop8h 14m
Frontier
Wed 8/126:31 pm
SJU
- TTN
1 stop15h 27m
Frontier
Deal found 5/12![Frontier logo]()
$238
This Travelocity deal was found by Cheapflights users on 5/12. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/134:27 pm
TTN
- SJU
1 stop8h 14m
Frontier
Mon 8/174:05 pm
SJU
- TTN
1 stop17h 42m
Frontier
Deal found 5/12![Frontier logo]()
$240
This Frontier deal was found by Cheapflights users on 5/9. 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.
Wed 8/54:27 pm
TTN
- SJU
1 stop8h 14m
Frontier
Thu 8/203:06 am
SJU
- TTN
1 stop6h 41m
Frontier
Deal found 5/9![Frontier logo]()
$256
This Orbitz deal was found by Cheapflights users on 5/11. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/89:37 pm
TTN
- SJU
1 stop10h 20m
Frontier
Fri 8/145:22 pm
SJU
- TTN
1 stop22h 13m
Frontier
Deal found 5/11![Frontier logo]()
$258
This Super.com deal was found by Cheapflights users on 5/10. 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.
Tue 7/214:27 pm
TTN
- SJU
1 stop8h 14m
Frontier
Sun 7/265:22 pm
SJU
- TTN
1 stop22h 13m
Frontier
Deal found 5/10![Frontier logo]()
$263
This Mytrip deal was found by Cheapflights users on 5/9. 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.
Wed 8/58:33 pm
TTN
- SJU
1 stop29h 38m
Frontier
Mon 8/106:00 am
SJU
- TTN
1 stop13h 48m
Frontier
Deal found 5/9![Frontier logo]()
$274
This Priceline deal was found by Cheapflights users on 5/10. 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 8/19:37 pm
TTN
- SJU
1 stop28h 34m
Frontier
Wed 8/126:31 pm
SJU
- TTN
1 stop15h 27m
Frontier
Deal found 5/10![Frontier logo]()
$275
This Orbitz deal was found by Cheapflights users on 5/12. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/68:33 pm
TTN
- SJU
1 stop11h 24m
Frontier
Mon 8/106:00 am
SJU
- TTN
1 stop13h 48m
Frontier
Deal found 5/12![Frontier logo]()
$276
This Priceline deal was found by Cheapflights users on 5/12. 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 8/154:27 pm
TTN
- SJU
1 stop8h 14m
Frontier
Thu 8/206:16 pm
SJU
- TTN
1 stop15h 31m
Frontier
Deal found 5/12![Frontier logo]()
$286
This Trip.com deal was found by Cheapflights users on 5/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:33 pm
TTN
- SJU
1 stop29h 21m
Frontier
Sun 8/233:06 am
SJU
- TTN
1 stop6h 41m
Frontier
Deal found 5/11![Frontier logo]()
$287
This Super.com deal was found by Cheapflights users on 5/11. 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.
Wed 7/228:33 pm
TTN
- SJU
1 stop29h 38m
Frontier
Sun 7/265:22 pm
SJU
- TTN
1 stop22h 13m
Frontier
Deal found 5/11![Frontier logo]()
$288
Best flights from Trenton to Puerto RicoDiscover carefully curated flight deals from Trenton to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 13, 2026.
Discover carefully curated flight deals from Trenton to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 13, 2026.
This Frontier deal was found by Cheapflights users on 5/9. 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.
Wed 8/54:27 pm
TTN
- SJU
1 stop8h 14m
Frontier
Thu 8/203:06 am
SJU
- TTN
1 stop6h 41m
Frontier
Deal found 5/9![Frontier logo]()
$256
This Expedia deal was found by Cheapflights users on 5/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/224:43 pm
TTN
- SJU
1 stop7h 54m
Frontier
Mon 8/314:05 pm
SJU
- TTN
1 stop27h 43m
Frontier
Deal found 5/10![Frontier logo]()
$258
This Orbitz deal was found by Cheapflights users on 5/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/228:33 pm
TTN
- SJU
1 stop11h 36m
Frontier
Wed 8/266:00 am
SJU
- TTN
1 stop27h 47m
Frontier
Deal found 5/10![Frontier logo]()
$276
This Frontier deal was found by Cheapflights users on 5/9. 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.
Sun 8/98:33 pm
TTN
- SJU
1 stop11h 24m
Frontier
Thu 8/203:06 am
SJU
- TTN
1 stop6h 41m
Frontier
Deal found 5/9![Frontier logo]()
$276
This CheapOair deal was found by Cheapflights users on 5/10. 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.
Sat 7/411:22 am
TTN
- SJU
1 stop25h 58m
Frontier
Thu 7/94:05 pm
SJU
- TTN
1 stop17h 53m
Frontier
Deal found 5/10![Frontier logo]()
$276
This Super.com deal was found by Cheapflights users on 5/11. 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.
Wed 7/228:33 pm
TTN
- SJU
1 stop29h 38m
Frontier
Sun 7/265:22 pm
SJU
- TTN
1 stop22h 13m
Frontier
Deal found 5/11![Frontier logo]()
$288
This Frontier deal was found by Cheapflights users on 5/9. 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.
Wed 8/54:27 pm
TTN
- SJU
1 stop8h 14m
Frontier
Sat 8/223:06 am
SJU
- TTN
1 stop6h 41m
Frontier
Deal found 5/9![Frontier logo]()
$301
This Frontier deal was found by Cheapflights users on 5/9. 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.
Wed 7/84:27 pm
TTN
- SJU
1 stop8h 14m
Frontier
Wed 7/156:00 am
SJU
- TTN
1 stop13h 48m
Frontier
Deal found 5/9![Frontier logo]()
$301
This Frontier deal was found by Cheapflights users on 5/9. 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.
Thu 7/94:27 pm
TTN
- SJU
1 stop8h 14m
Frontier
Thu 7/169:24 am
SJU
- TTN
1 stop10h 24m
Frontier
Deal found 5/9![Frontier logo]()
$321
This Expedia deal was found by Cheapflights users on 5/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/49:37 pm
TTN
- SJU
1 stop10h 20m
Frontier
Thu 7/304:05 pm
SJU
- TTN
1 stop27h 43m
Frontier
Deal found 5/11![Frontier logo]()
$321
This Frontier deal was found by Cheapflights users on 5/11. 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 7/234:27 pm
TTN
- SJU
1 stop8h 14m
Frontier
Sat 8/83:06 am
SJU
- TTN
1 stop6h 52m
Frontier
Deal found 5/11![Frontier logo]()
$321
This Orbitz deal was found by Cheapflights users on 5/11. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/158:33 pm
TTN
- SJU
1 stop21h 03m
Frontier
Thu 7/236:31 pm
SJU
- TTN
1 stop25h 17m
Frontier
Deal found 5/11![Frontier logo]()
$321
Last-minute flights from Trenton to Puerto RicoDiscover last-minute flight deals from Trenton to Puerto Rico. Data last updated May 13, 2026 and is based on user searches.
Discover last-minute flight deals from Trenton to Puerto Rico. Data last updated May 13, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 5/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1811:41 am
TTN
- SJU
1 stop12h 16m
Frontier
Thu 8/133:06 am
SJU
- TTN
1 stop6h 52m
Frontier
Deal found 5/11![Frontier logo]()
$341
This Priceline deal was found by Cheapflights users on 5/13. 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 6/54:29 pm
TTN
- SJU
1 stop7h 30m
Frontier
Wed 6/106:00 am
SJU
- TTN
1 stop13h 48m
Frontier
Deal found 5/13![Frontier logo]()
$306
This Orbitz deal was found by Cheapflights users on 5/12. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/64:29 pm
TTN
- SJU
1 stop7h 30m
Frontier
Thu 6/116:16 pm
SJU
- TTN
1 stop15h 41m
Frontier
Deal found 5/12![Frontier logo]()
$258
This Super.com deal was found by Cheapflights users on 5/12. 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.
Sat 6/64:29 pm
TTN
- SJU
1 stop7h 30m
Frontier
Fri 6/129:24 am
SJU
- TTN
1 stop10h 24m
Frontier
Deal found 5/12![Frontier logo]()
$346
This Super.com deal was found by Cheapflights users on 5/11. 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.
Sun 6/78:31 pm
TTN
- SJU
1 stop26h 51m
Frontier
Wed 6/105:15 pm
SJU
- TTN
1 stop22h 43m
Frontier
Deal found 5/11![Frontier logo]()
$353
This Super.com deal was found by Cheapflights users on 5/10. 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.
Mon 6/84:29 pm
TTN
- SJU
1 stop7h 30m
Frontier
Wed 6/105:15 pm
SJU
- TTN
1 stop22h 43m
Frontier
Deal found 5/10![Frontier logo]()
$328
This Travelocity deal was found by Cheapflights users on 5/13. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/124:43 pm
TTN
- SJU
1 stop7h 54m
Frontier
Thu 6/185:15 pm
SJU
- TTN
1 stop22h 43m
Frontier
Deal found 5/13![Frontier logo]()
$356
This Expedia deal was found by Cheapflights users on 5/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/194:43 pm
TTN
- SJU
1 stop7h 54m
Frontier
Wed 6/245:15 pm
SJU
- TTN
1 stop22h 43m
Frontier
Deal found 5/12![Frontier logo]()
$321
This Expedia deal was found by Cheapflights users on 5/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/254:43 pm
TTN
- SJU
1 stop7h 54m
Frontier
Mon 7/65:22 pm
SJU
- TTN
1 stop22h 13m
Frontier
Deal found 5/9![Frontier logo]()
$348
This Expedia deal was found by Cheapflights users on 5/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/254:43 pm
TTN
- SJU
1 stop7h 54m
Frontier
Sun 6/286:00 am
SJU
- TTN
1 stop27h 57m
Frontier
Deal found 5/12![Frontier logo]()
$361
This Orbitz deal was found by Cheapflights users on 5/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/294:43 pm
TTN
- SJU
1 stop7h 54m
Frontier
Thu 7/96:00 am
SJU
- TTN
1 stop13h 48m
Frontier
Deal found 5/10![Frontier logo]()
$276
One-way flights from Trenton to Puerto RicoSearch for one-way flight options from Trenton to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated May 13, 2026.
Search for one-way flight options from Trenton to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated May 13, 2026.
This Super.com deal was found by Cheapflights users on 5/11. 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.
Sat 7/189:37 pm
TTN
- SJU
1 stop10h 20m
Frontier
Deal found 5/11![Frontier logo]()
$115
This Super.com deal was found by Cheapflights users on 5/12. 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.
Tue 7/284:27 pm
TTN
- SJU
1 stop8h 14m
Frontier
Deal found 5/12![Frontier logo]()
$116
This Super.com deal was found by Cheapflights users on 5/10. 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.
Sat 6/139:37 pm
TTN
- SJU
1 stop10h 18m
Frontier
Deal found 5/10![Frontier logo]()
$119
This Super.com deal was found by Cheapflights users on 5/12. 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.
Mon 6/294:43 pm
TTN
- SJU
1 stop7h 54m
Frontier
Deal found 5/12![Frontier logo]()
$132
This Super.com deal was found by Cheapflights users on 5/13. 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.
Thu 6/114:43 pm
TTN
- SJU
1 stop7h 54m
Frontier
Deal found 5/13![Frontier logo]()
$133
This Super.com deal was found by Cheapflights users on 5/12. 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.
Sun 7/198:33 pm
TTN
- SJU
1 stop11h 24m
Frontier
Deal found 5/12![Frontier logo]()
$135
This Super.com deal was found by Cheapflights users on 5/10. 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.
Mon 6/154:43 pm
TTN
- SJU
1 stop7h 54m
Frontier
Deal found 5/10![Frontier logo]()
$137
This Travelocity deal was found by Cheapflights users on 5/13. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/114:27 pm
TTN
- SJU
1 stop8h 14m
Frontier
Deal found 5/13![Frontier logo]()
$138
This Super.com deal was found by Cheapflights users on 5/12. 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.
Mon 8/38:33 pm
TTN
- SJU
1 stop26h 56m
Frontier
Deal found 5/12![Frontier logo]()
$141
This Super.com deal was found by Cheapflights users on 5/11. 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.
Wed 7/158:33 pm
TTN
- SJU
1 stop21h 03m
Frontier
Deal found 5/11![Frontier logo]()
$142
Find flight deals from Trenton to Puerto Rico
Keep the following information in mind while searching for Trenton to Puerto Rico flight deals. Data was last updated May 13, 2026.
Round-trip from | $236 (Expedia) |
|---|---|
One-way from | $115 (Super.com) |
Popular in | April |
Cheapest in | October |
Average price | $345 |
Cheapflights Fare Finder
Customize your flight search to find flights from Trenton 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 2,558,603 searches. Data last updated May 13, 2026.
Use the filters below to find and compare flights from Trenton to Puerto Rico that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
TrentonSan Juan
TTN - SJU
TTNSJU
Trenton-Mercer
Wed 8/5
4:27 pm-12:41 am
1 stop8h 14m
San Juan Luis Munoz Marin Intl
Thu 8/20
3:06 am-9:47 am
1 stop6h 41m
$256
TrentonSan Juan
TTN - SJU
TTNSJU
Trenton-Mercer
Mon 6/22
4:43 pm-12:37 am
1 stop7h 54m
San Juan Luis Munoz Marin Intl
Mon 8/31
4:05 pm-7:48 pm
1 stop27h 43m
$258
TrentonSan Juan
TTN - SJU
TTNSJU
Trenton-Mercer
Sat 8/22
8:33 pm-8:09 am
1 stop11h 36m
San Juan Luis Munoz Marin Intl
Wed 8/26
6:00 am-9:47 am
1 stop27h 47m
$276
TrentonSan Juan
TTN - SJU
TTNSJU
Trenton-Mercer
Sun 8/9
8:33 pm-7:57 am
1 stop11h 24m
San Juan Luis Munoz Marin Intl
Thu 8/20
3:06 am-9:47 am
1 stop6h 41m
$276
TrentonSan Juan
TTN - SJU
TTNSJU
Trenton-Mercer
Sat 7/4
11:22 am-1:20 pm
1 stop25h 58m
San Juan Luis Munoz Marin Intl
Thu 7/9
4:05 pm-9:58 am
1 stop17h 53m
$276
TrentonSan Juan
TTN - SJU
TTNSJU
Trenton-Mercer
Wed 7/22
8:33 pm-2:11 am
1 stop29h 38m
San Juan Luis Munoz Marin Intl
Sun 7/26
5:22 pm-3:35 pm
1 stop22h 13m
$288
TrentonSan Juan
TTN - SJU
TTNSJU
Trenton-Mercer
Wed 8/5
4:27 pm-12:41 am
1 stop8h 14m
San Juan Luis Munoz Marin Intl
Sat 8/22
3:06 am-9:47 am
1 stop6h 41m
$301
TrentonSan Juan
TTN - SJU
TTNSJU
Trenton-Mercer
Wed 7/8
4:27 pm-12:41 am
1 stop8h 14m
San Juan Luis Munoz Marin Intl
Wed 7/15
6:00 am-7:48 pm
1 stop13h 48m
$301
TrentonSan Juan
TTN - SJU
TTNSJU
Trenton-Mercer
Thu 7/9
4:27 pm-12:41 am
1 stop8h 14m
San Juan Luis Munoz Marin Intl
Thu 7/16
9:24 am-7:48 pm
1 stop10h 24m
$321
TrentonSan Juan
TTN - SJU
TTNSJU
Trenton-Mercer
Sat 7/4
9:37 pm-7:57 am
1 stop10h 20m
San Juan Luis Munoz Marin Intl
Thu 7/30
4:05 pm-7:48 pm
1 stop27h 43m
$321
Showing 1-10 of 24 resultsSorted by cheapest first
Best time to book a flight from Trenton to Puerto Rico
Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Trenton with our price prediction graph.
TTN-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 Trenton to Puerto Rico
TTN-PR0
TTN-SJU
No data available for this route at this time. Please check back soon.
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 May 13, 2026.
See what other customers who have flown with Frontier from Trenton to Puerto Rico have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
4.3
Crew
6.6
Food
4.5
Boarding
5.9
Overall
5.6
Comfort
5.4
Reviews
1 / 20
2.0
MediocreProdipto,Mar 2026
PHL - BNA
Entertainment
4.3
Crew
6.6
Food
4.5
Boarding
5.9
Overall
5.6
Comfort
5.4
Reviews
1 / 20
2.0
MediocreProdipto,Mar 2026
PHL - BNA
Related info for your journey
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Alternative routes for Trenton to Puerto Rico
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Complete your trip
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Trenton and Puerto Rico flights
Browse other Trenton and Puerto Rico flight options. Last updated on May 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Trenton to Puerto Rico
Discover the top airline that operate flights from Trenton 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 2,558,603 searches. Data last updated May 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$168 | Average$307 | FlexibilityNo cancel fee | On-time62% |