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$84+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
TTN — SJU
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap 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 October 30, 2025.

Round-trip from

$153
(CheapOair)

One-way from

$84
(CheapOair)

Popular in

December

Cheapest in

March

Average price

$218
From Trenton-Mercer to Puerto Rico
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One-way flight from Trenton-Mercer to Puerto Rico
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Highest demand for flights based on searches. 6% potential increase in price ($19 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Trenton to Puerto Rico

Cheapest flights from Trenton to Puerto Rico
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 October 30, 2025.

This Mytrip deal was found by Cheapflights users on 10/30. 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.
Thu 11/136:00 amTTN - SJU
1 stop14h 24mFrontier
Sat 11/153:59 amSJU - TTN
1 stop21h 00mFrontier
Deal found 10/30$226
This Trip.com deal was found by Cheapflights users on 10/30. 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.
Thu 11/134:27 pmTTN - SJU
1 stop9h 27mFrontier
Mon 11/246:52 pmSJU - TTN
1 stop16h 27mFrontier
Deal found 10/30$234
This Frontier deal was found by Cheapflights users on 10/30. 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 11/2012:44 pmTTN - SJU
1 stop13h 10mFrontier
Sun 11/233:59 amSJU - TTN
1 stop8h 50mFrontier
Deal found 10/30$237
This CheapOair deal was found by Cheapflights users on 10/30. 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.
Mon 11/106:20 pmTTN - SJU
1 stop7h 34mFrontier
Fri 11/143:59 amSJU - TTN
1 stop21h 00mFrontier
Deal found 10/30$261
This Mytrip deal was found by Cheapflights users on 10/30. 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.
Fri 11/146:00 amTTN - SJU
1 stop14h 24mFrontier
Sun 11/1612:29 pmSJU - TTN
1 stop12h 30mFrontier
Deal found 10/30$265
This Trip.com deal was found by Cheapflights users on 10/30. 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.
Thu 11/134:27 pmTTN - SJU
1 stop9h 27mFrontier
Sun 11/237:15 amSJU - TTN
1 stop14h 26mFrontier
Deal found 10/30$273
This CheapOair deal was found by Cheapflights users on 10/28. 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 11/134:27 pmTTN - SJU
1 stop9h 27mFrontier
Thu 11/206:01 amSJU - TTN
1 stop12h 48mFrontier
Deal found 10/28$291
This CheapOair deal was found by Cheapflights users on 10/29. 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 11/134:27 pmTTN - SJU
1 stop9h 27mFrontier
Fri 11/143:59 amSJU - TTN
1 stop21h 00mFrontier
Deal found 10/29$296
This CheapOair deal was found by Cheapflights users on 10/30. 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 11/158:00 amTTN - SJU
1 stop17h 54mFrontier
Sat 11/2211:46 amSJU - TTN
1 stop25h 03mFrontier
Deal found 10/30$307
This Priceline deal was found by Cheapflights users on 10/28. 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 12/65:58 pmTTN - SJU
1 stop7h 52mFrontier
Fri 12/123:55 amSJU - TTN
1 stop21h 04mFrontier
Deal found 10/28$311

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 October 30, 2025.
Use the filters below to find and compare flights from Trenton to Puerto Rico that are best for you.

Fly from

Trenton

Fly to

Puerto Rico

Route

Depart

Return

Price

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Thu 11/13

4:27 pm-11:19 am

1 stop17h 52m

San Juan Luis Munoz Marin Intl

Sat 11/15

3:59 am-11:59 pm

1 stop21h 00m

$226

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Fri 11/14

6:00 am-9:24 pm

1 stop14h 24m

San Juan Luis Munoz Marin Intl

Sat 11/15

3:59 am-11:59 pm

1 stop21h 00m

$228

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Wed 1/14

8:00 am-8:24 pm

1 stop11h 24m

San Juan Luis Munoz Marin Intl

Sat 1/24

3:55 am-11:59 pm

1 stop21h 04m

$316

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Mon 11/10

6:20 pm-2:54 am

1 stop7h 34m

San Juan Luis Munoz Marin Intl

Thu 11/13

12:29 pm-11:59 pm

1 stop12h 30m

$316

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Sun 1/11

8:03 pm-1:05 pm

1 stop16h 02m

San Juan Luis Munoz Marin Intl

Sat 1/31

11:05 am-10:02 pm

1 stop11h 57m

$318

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Wed 1/14

8:00 am-4:04 pm

1 stop7h 04m

San Juan Luis Munoz Marin Intl

Mon 1/26

8:40 am-11:59 pm

2 stops16h 19m

$334

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Sat 11/8

8:00 am-2:54 am

1 stop17h 54m

San Juan Luis Munoz Marin Intl

Sat 11/22

10:28 pm-11:49 am

1 stop14h 21m

$361

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Mon 1/19

6:10 am-4:55 pm

1 stop9h 45m

San Juan Luis Munoz Marin Intl

Fri 1/23

3:55 am-10:02 pm

1 stop19h 07m

$362

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Mon 1/26

7:00 am-9:55 am

1 stop25h 55m

San Juan Luis Munoz Marin Intl

Thu 1/29

3:55 am-11:59 pm

1 stop21h 04m

$371

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Sun 2/1

9:59 pm-9:55 am

1 stop10h 56m

$84

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 19 results
1
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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.
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

What is the cheapest month to book a flight from Trenton, New Jersey to Puerto Rico?

Currently, February is the cheapest month in which you can book a flight from Trenton, New Jersey to Puerto Rico (average of $52). Flying from Trenton, New Jersey to Puerto Rico in August is currently the most expensive (average of $138). 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 TTN to PR?

Find hourly flight availability from Trenton 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 October 30, 2025.

A simple way to save on the total cost of your ticket is to fly from Trenton, New Jersey to Puerto Rico at noon. If you’re flexible enough to do this you can expect to save up to 27% on your trip compared to booking a flight in the afternoon.

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 October 30, 2025.
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.
Frontier
5.8
Fair
3,122 reviews

Comfort

5.5

Food

4.6

Entertainment

4.4

Boarding

6.1

Overall

5.8

Crew

6.7

Reviews

1 / 20
2.0
Mediocre

Shawn,Sep 2025

SAN - SFO

The flight was over booked and was unadble to get help with issue. I could not get a refund or rebooked in order to make my trip
Frontier
5.8
Fair
3,122 reviews
Frontier
5.8
Fair
3,122 reviews

Comfort

5.5

Food

4.6

Entertainment

4.4

Boarding

6.1

Overall

5.8

Crew

6.7

Reviews

1 / 20
2.0
Mediocre

Shawn,Sep 2025

SAN - SFO

The flight was over booked and was unadble to get help with issue. I could not get a refund or rebooked in order to make my trip

Related info for your journey

Find useful and relevant information for your journey from Trenton to Puerto Rico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Trenton to Puerto Rico?

    Most people fly from Trenton-Mercer (TTN) if they book a flight from Trenton to Puerto Rico. Trenton-Mercer is conveniently located just 4.8 mi from Trenton’s city center.

  • How long is the flight from Trenton, New Jersey to Puerto Rico?

    There are many flights that can get you from Trenton, New Jersey to Puerto Rico in 17h 52m. Fly via Frontier to get the fastest option. Trenton, New Jersey and Puerto Rico are separated by a distance of 1596 mi.

  • Can I find deals for flights from Trenton to Puerto Rico that include hotel bookings?

    Yes. In addition to deals on Trenton to Puerto Rico flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Trenton to Puerto Rico?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Trenton to Puerto Rico.

  • Can I find deals for business class flights from Trenton to Puerto Rico?

    Yes. Cheapflights offers flight deals from Trenton to Puerto Rico by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Trenton, New Jersey to Puerto Rico?

    Currently, February is the cheapest month in which you can book a flight from Trenton, New Jersey to Puerto Rico (average of $52). Flying from Trenton, New Jersey to Puerto Rico in August is currently the most expensive (average of $138). 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.

See more FAQs

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Alternative routes for Trenton to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
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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 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$119Average$269FlexibilityNo cancel feeOn-time62%

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