$105+ Cheap flights from Trenton, NJ (TTN) 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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
TTN — SJU
Oct 25 — Nov 11
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 September 25, 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 September 25, 2026.
This Orbitz deal was found by Cheapflights users on 9/24. 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 11/168:01 pm -
1 stop13h 14m
Fri 11/2010:54 pm -
1 stop23h 03m
Deal found 9/24![Frontier logo]()
$239
This Orbitz deal was found by Cheapflights users on 9/23. 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 11/98:01 pm -
1 stop13h 14m
Wed 11/117:25 pm -
1 stop24h 50m
Deal found 9/23![Frontier logo]()
$244
This Expedia deal was found by Cheapflights users on 9/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/811:03 am -
1 stop14h 10m
Tue 12/153:43 am -
1 stop7h 35m
Deal found 9/21![Frontier logo]()
$258
This Super.com deal was found by Cheapflights users on 9/24. 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 11/68:01 pm -
1 stop17h 42m
Fri 11/1311:20 am -
1 stop8h 55m
Deal found 9/24![Frontier logo]()
$271
This Expedia deal was found by Cheapflights users on 9/24. 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 10/197:39 pm -
1 stop21h 58m
Wed 10/286:25 pm -
1 stop24h 50m
Deal found 9/24![Frontier logo]()
$272
This Cheapflightsfares deal was found by Cheapflights users on 9/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/148:01 pm -
1 stop13h 14m
Sat 11/213:55 am -
1 stop7h 39m
Deal found 9/24![Frontier logo]()
$282
This Expedia deal was found by Cheapflights users on 9/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:39 pm -
1 stop21h 58m
Wed 10/214:39 pm -
1 stop18h 00m
Deal found 9/22![Frontier logo]()
$284
This Travelocity deal was found by Cheapflights users on 9/20. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/78:01 pm -
1 stop13h 14m
Wed 11/117:25 pm -
1 stop24h 50m
Deal found 9/20![Frontier logo]()
$286
This Super.com deal was found by Cheapflights users on 9/23. 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 11/88:01 pm -
1 stop13h 14m
Thu 11/123:55 am -
1 stop16h 20m
Deal found 9/23![Frontier logo]()
$290
This Expedia deal was found by Cheapflights users on 9/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:44 pm -
1 stop20h 06m
Sat 10/1710:39 am -
1 stop8h 15m
Deal found 9/22![Frontier logo]()
$291
This Expedia deal was found by Cheapflights users on 9/24. 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 10/267:39 pm -
1 stop19h 03m
Sun 11/13:55 am -
1 stop16h 20m
Deal found 9/24![Frontier logo]()
$300
This Super.com deal was found by Cheapflights users on 9/21. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/107:39 pm -
1 stop13h 39m
Sat 10/1710:39 am -
1 stop8h 15m
Deal found 9/21![Frontier logo]()
$301
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 September 25, 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 September 25, 2026.
This Expedia deal was found by Cheapflights users on 9/24. 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 10/197:39 pm -
1 stop21h 58m
Wed 10/286:25 pm -
1 stop24h 50m
Deal found 9/24![Frontier logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 9/23. 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.
Thu 10/226:43 pm -
1 stop18h 48m
Thu 10/296:15 am -
1 stop11h 38m
Deal found 9/23![Multiple Airlines logo]()
$352
This Expedia deal was found by Cheapflights users on 9/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/611:03 am -
1 stop26h 36m
Wed 12/93:43 am -
1 stop7h 35m
Deal found 9/22![Frontier logo]()
$286
This Orbitz deal was found by Cheapflights users on 9/24. 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.
Fri 10/167:39 pm -
1 stop18h 57m
Mon 10/197:20 am -
1 stop11h 34m
Deal found 9/24![Frontier logo]()
$338
This Orbitz deal was found by Cheapflights users on 9/22. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/209:52 pm -
1 stop22h 57m
Mon 11/2310:21 pm -
1 stop13h 13m
Deal found 9/22![Frontier logo]()
$344
This Orbitz deal was found by Cheapflights users on 9/24. 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.
Tue 12/111:03 am -
1 stop14h 08m
Tue 12/153:59 pm -
1 stop19h 19m
Deal found 9/24![Frontier logo]()
$354
This Orbitz deal was found by Cheapflights users on 9/21. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:01 pm -
1 stop26h 17m
Mon 11/2310:21 pm -
1 stop13h 13m
Deal found 9/21![Frontier logo]()
$359
This Frontier deal was found by Cheapflights users on 9/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:01 pm -
1 stop13h 14m
Fri 11/2711:13 am -
1 stop10h 44m
Deal found 9/20![Frontier logo]()
$376
This Expedia deal was found by Cheapflights users on 9/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1011:03 am -
1 stop22h 37m
Sun 12/138:44 pm -
1 stop14h 34m
Deal found 9/22![Frontier logo]()
$387
This Super.com deal was found by Cheapflights users on 9/23. 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 12/211:03 am -
1 stop11h 25m
Thu 12/103:43 am -
1 stop7h 35m
Deal found 9/23![Frontier logo]()
$394
This Frontier deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:39 pm -
1 stop13h 39m
Sat 10/177:20 am -
1 stop11h 34m
Deal found 9/24![Frontier logo]()
$399
This Expedia deal was found by Cheapflights users on 9/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/209:52 pm -
1 stop22h 57m
Wed 11/2510:21 pm -
1 stop13h 13m
Deal found 9/22![Frontier logo]()
$424
Last-minute flights from Trenton to Puerto RicoDiscover last-minute flight deals from Trenton to Puerto Rico. Data last updated September 25, 2026 and is based on user searches.
Discover last-minute flight deals from Trenton to Puerto Rico. Data last updated September 25, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 9/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:44 pm -
1 stop20h 06m
Sat 10/1710:39 am -
1 stop8h 15m
Deal found 9/22![Frontier logo]()
$291
This Super.com deal was found by Cheapflights users on 9/21. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/107:39 pm -
1 stop13h 39m
Sat 10/1710:39 am -
1 stop8h 15m
Deal found 9/21![Frontier logo]()
$301
This Expedia deal was found by Cheapflights users on 9/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:39 pm -
1 stop21h 58m
Wed 10/214:39 pm -
1 stop18h 00m
Deal found 9/22![Frontier logo]()
$284
This Travelocity deal was found by Cheapflights users on 9/24. 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 10/167:39 pm -
1 stop18h 57m
Mon 10/197:20 am -
1 stop11h 34m
Deal found 9/24![Frontier logo]()
$310
This Travelocity deal was found by Cheapflights users on 9/24. 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 10/177:39 pm -
1 stop13h 39m
Thu 10/222:42 pm -
1 stop19h 57m
Deal found 9/24![Frontier logo]()
$258
This Expedia deal was found by Cheapflights users on 9/24. 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 10/197:39 pm -
1 stop21h 58m
Wed 10/286:25 pm -
1 stop24h 50m
Deal found 9/24![Frontier logo]()
$272
This Expedia deal was found by Cheapflights users on 9/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:39 pm -
1 stop18h 57m
Thu 10/222:42 pm -
1 stop19h 57m
Deal found 9/22![Frontier logo]()
$286
This Super.com deal was found by Cheapflights users on 9/22. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:39 pm -
1 stop13h 39m
Thu 10/223:00 am -
1 stop15h 54m
Deal found 9/22![Frontier logo]()
$312
This Orbitz deal was found by Cheapflights users on 9/24. 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 10/247:39 pm -
1 stop13h 24m
Wed 10/286:25 pm -
1 stop24h 50m
Deal found 9/24![Frontier logo]()
$311
This Cheapflightsfares deal was found by Cheapflights users on 9/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:39 pm -
1 stop13h 24m
Sat 10/317:23 am -
1 stop11h 52m
Deal found 9/22![Frontier logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:13 pm -
1 stop18h 18m
Fri 10/303:59 pm -
2 stops27h 16m
Deal found 9/21![Multiple Airlines logo]()
$304
This Expedia deal was found by Cheapflights users on 9/24. 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 10/267:39 pm -
1 stop19h 03m
Sun 11/13:55 am -
1 stop16h 20m
Deal found 9/24![Frontier logo]()
$300
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 September 25, 2026.
Search for one-way flight options from Trenton to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated September 25, 2026.
This Booking.com deal was found by Cheapflights users on 9/24. 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 11/168:01 pm -
1 stop13h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Frontier logo]()
$105
This Booking.com deal was found by Cheapflights users on 9/23. 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 11/98:01 pm -
1 stop13h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Frontier logo]()
$115
This Super.com deal was found by Cheapflights users on 9/22. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:01 pm -
1 stop14h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Frontier logo]()
$127
This Super.com deal was found by Cheapflights users on 9/22. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:01 pm -
1 stop17h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Frontier logo]()
$128
This FlightHub deal was found by Cheapflights users on 9/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:01 pm -
1 stop13h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Frontier logo]()
$131
This Super.com deal was found by Cheapflights users on 9/23. 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 11/239:52 pm -
1 stop22h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Frontier logo]()
$132
This Super.com deal was found by Cheapflights users on 9/22. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/219:52 pm -
1 stop19h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Frontier logo]()
$133
This Super.com deal was found by Cheapflights users on 9/22. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/229:52 pm -
1 stop19h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Frontier logo]()
$134
This Super.com deal was found by Cheapflights users on 9/22. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:44 pm -
1 stop20h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Frontier logo]()
$145
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 September 25, 2026.
Round-trip from | $239 (Orbitz) |
|---|---|
One-way from | $115 (Booking.com) |
Popular in | July |
Cheapest in | October |
Average price | $315 |
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 7,457,451 searches. Data last updated September 25, 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
TrentonSan Juan
TTN Trenton-Mercer - SJU San Juan Luis Munoz Marin Intl
TTNSJU
Trenton-Mercer
Sun 11/22
9:52 pm-6:38 pm
1 stop19h 46m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$145
TrentonSan Juan
TTN Trenton-Mercer - SJU San Juan Luis Munoz Marin Intl
TTNSJU
Trenton-Mercer
Sun 12/6
11:03 am-2:39 pm
1 stop26h 36m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$163
TrentonSan Juan
TTN Trenton-Mercer - SJU San Juan Luis Munoz Marin Intl
TTNSJU
Trenton-Mercer
Thu 10/8
7:39 pm-11:05 pm
1 stop27h 26m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$175
TrentonSan Juan
TTN Trenton-Mercer - SJU San Juan Luis Munoz Marin Intl
TTNSJU
Trenton-Mercer
Thu 10/22
7:39 pm-9:18 am
1 stop13h 39m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$185
TrentonSan Juan
TTN Trenton-Mercer - SJU San Juan Luis Munoz Marin Intl
TTNSJU
Trenton-Mercer
Wed 11/25
9:52 pm-4:51 pm
1 stop17h 59m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$189
TrentonSan Juan
TTN Trenton-Mercer - SJU San Juan Luis Munoz Marin Intl
TTNSJU
Trenton-Mercer
Wed 10/7
7:39 pm-11:05 pm
1 stop27h 26m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$191
TrentonSan Juan
TTN Trenton-Mercer - SJU San Juan Luis Munoz Marin Intl
TTNSJU
Trenton-Mercer
Sun 10/4
7:39 pm-9:35 am
1 stop13h 56m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$197
Quickest round-trip
TrentonSan Juan
TTN Trenton-Mercer - SJU San Juan Luis Munoz Marin Intl
TTNSJU
Trenton-Mercer
Thu 10/1
4:10 pm-11:58 pm
1 stop7h 48m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$197
TrentonSan Juan
TTN Trenton-Mercer - SJU San Juan Luis Munoz Marin Intl
TTNSJU
Trenton-Mercer
Wed 9/30
7:39 pm-5:43 pm
1 stop22h 04m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$204
TrentonSan Juan
TTN Trenton-Mercer - SJU San Juan Luis Munoz Marin Intl
TTNSJU
Trenton-Mercer
Mon 10/19
7:39 pm-5:37 pm
1 stop21h 58m
San Juan Luis Munoz Marin Intl
Wed 10/28
6:25 pm-7:15 pm
1 stop24h 50m
$272
Showing 1-10 of 21 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 September 25, 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.
Crew
6.5
Food
4.5
Boarding
5.8
Overall
5.6
Comfort
5.4
Entertainment
4.2
Reviews
1 / 20
2.0
MediocreDavid,Sep 2026
LAS - SAT
Crew
6.5
Food
4.5
Boarding
5.8
Overall
5.6
Comfort
5.4
Entertainment
4.2
Reviews
1 / 20
2.0
MediocreDavid,Sep 2026
LAS - SAT
Related info for your journey
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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 7,457,451 searches. Data last updated September 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$147 | Average$350 | FlexibilityNo cancel fee | On-time62% |