HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Puerto Rico

$69+ 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
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Trenton to Puerto Rico

Keep the following information in mind while searching for Trenton to Puerto Rico flight deals. Data was last updated November 6, 2025.

Round-trip from

$138
(CheapOair)

One-way from

$69
(Frontier)

Popular in

December

Cheapest in

March

Average price

$266
From Trenton-Mercer to Puerto Rico
Search Deals
One-way flight from Trenton-Mercer to Puerto Rico
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($18 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 6, 2025.

This Super.com deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2712:44 pmTTN - SJU
1 stop7h 28mFrontier
Thu 12/115:09 pmSJU - TTN
1 stop7h 50mFrontier
Deal found 11/6$234
This CheapOair deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:10 amTTN - SJU
1 stop19h 40mFrontier
Sat 12/63:55 amSJU - TTN
1 stop21h 04mFrontier
Deal found 11/4$246
This Super.com deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.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
Thu 11/206:01 amSJU - TTN
1 stop12h 48mFrontier
Deal found 11/6$260
This Frontier deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/164:27 pmTTN - SJU
1 stop9h 27mFrontier
Wed 11/193:59 amSJU - TTN
1 stop8h 50mFrontier
Deal found 11/6$261
This Booking.com deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/135:58 pmTTN - SJU
1 stop7h 52mFrontier
Tue 1/135:15 pmSJU - TTN
1 stop29h 00mFrontier
Deal found 11/5$279
This CheapOair deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:10 amTTN - SJU
1 stop26h 45mFrontier
Fri 12/123:55 amSJU - TTN
1 stop21h 04mFrontier
Deal found 11/4$284
This Frontier deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/79:08 pmTTN - SJU
1 stop11h 47mFrontier
Thu 12/115:09 pmSJU - TTN
1 stop7h 50mFrontier
Deal found 11/6$291
This CheapOair deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:10 amTTN - SJU
1 stop19h 40mFrontier
Fri 12/125:09 pmSJU - TTN
1 stop7h 50mFrontier
Deal found 11/5$319
This Frontier deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier 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
Wed 11/193:59 amSJU - TTN
1 stop8h 50mFrontier
Deal found 11/5$321
This Super.com deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/166:00 amTTN - SJU
1 stop14h 24mFrontier
Thu 11/276:52 pmSJU - TTN
1 stop16h 27mFrontier
Deal found 11/6$326

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 November 6, 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

Sun 1/18

9:59 pm-9:54 am

1 stop10h 55m

San Juan Luis Munoz Marin Intl

Wed 1/21

11:05 am-10:02 pm

1 stop11h 57m

$138

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Sun 1/25

7:00 am-2:50 am

1 stop18h 50m

San Juan Luis Munoz Marin Intl

Sat 1/31

3:55 am-11:59 pm

1 stop21h 04m

$138

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Sun 2/8

9:59 pm-2:50 am

1 stop27h 51m

San Juan Luis Munoz Marin Intl

Wed 2/11

3:55 am-11:59 pm

1 stop21h 04m

$138

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Thu 1/29

9:59 pm-9:55 am

1 stop10h 56m

San Juan Luis Munoz Marin Intl

Sun 2/1

3:55 am-11:59 pm

1 stop21h 04m

$138

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Mon 1/12

6:10 am-8:32 pm

1 stop13h 22m

San Juan Luis Munoz Marin Intl

Thu 1/22

11:05 am-9:04 pm

1 stop10h 59m

$138

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Sun 2/1

9:59 pm-2:50 am

1 stop27h 51m

San Juan Luis Munoz Marin Intl

Thu 2/5

3:55 am-11:59 pm

1 stop21h 04m

$153

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Sun 2/22

6:00 am-11:37 pm

1 stop16h 37m

San Juan Luis Munoz Marin Intl

Sat 2/28

7:00 am-6:18 pm

1 stop12h 18m

$211

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Wed 2/25

8:10 am-2:50 am

1 stop17h 40m

San Juan Luis Munoz Marin Intl

Sat 2/28

3:55 am-11:59 pm

1 stop21h 04m

$226

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Thu 2/19

6:00 am-11:37 pm

1 stop16h 37m

San Juan Luis Munoz Marin Intl

Mon 2/23

3:55 am-10:02 pm

1 stop19h 07m

$226

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Fri 1/30

7:00 am-9:55 am

1 stop25h 55m

San Juan Luis Munoz Marin Intl

Fri 2/6

3:55 am-10:02 pm

1 stop19h 07m

$226

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 19 results
1
2

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 November 6, 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 November 6, 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
3,115 reviews

Food

4.6

Crew

6.7

Entertainment

4.4

Boarding

6.0

Comfort

5.5

Overall

5.8

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
3,115 reviews
Frontier
5.8
Fair
3,115 reviews

Food

4.6

Crew

6.7

Entertainment

4.4

Boarding

6.0

Comfort

5.5

Overall

5.8

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 10h 55m. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Trenton to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Luis Munoz Marin Intl flights
Newark to Luis Munoz Marin Intl flights
John F Kennedy Intl to Santo Domingo flights
Newark to Santo Domingo flights
John F Kennedy Intl to Punta Cana flights
Newark to Punta Cana flights
Newark to Santiago de los Caballeros flights
John F Kennedy Intl to Santiago de los Caballeros flights
LaGuardia to Luis Munoz Marin Intl flights
John F Kennedy Intl to Oranjestad flights
Newark to Oranjestad flights
John F Kennedy Intl to Montego Bay flights
LaGuardia to Punta Cana flights
Philadelphia to Luis Munoz Marin Intl flights
LaGuardia to Santo Domingo flights
Newark to Montego Bay flights
John F Kennedy Intl to Port of Spain flights
Newark to Simpson Bay flights
Newark to Nassau flights
John F Kennedy Intl to Kingston flights
John F Kennedy Intl to Simpson Bay flights
LaGuardia to Oranjestad flights
John F Kennedy Intl to Nassau flights
Newark to Saint Thomas Island flights
Newark to Providenciales flights
John F Kennedy Intl to Saint Thomas Island flights
LaGuardia to Nassau flights
LaGuardia to Montego Bay flights
John F Kennedy Intl to Willemstad flights
LaGuardia to Santiago de los Caballeros flights
John F Kennedy Intl to Providenciales flights
John F Kennedy Intl to St. John's flights
John F Kennedy Intl to Bridgetown flights
Philadelphia to Punta Cana flights
John F Kennedy Intl to Puerto Plata flights
John F Kennedy Intl to Aguadilla flights
LaGuardia to Simpson Bay flights
LaGuardia to Providenciales flights
Philadelphia to Oranjestad flights
Newark to George Town flights
John F Kennedy Intl to Castries flights
John F Kennedy Intl to St. George's flights
Philadelphia to Montego Bay flights
LaGuardia to Saint Thomas Island flights
LaGuardia to Kingston flights
Newark to Willemstad flights
Newark to Kingston flights
Newark to Puerto Plata flights
John F Kennedy Intl to George Town flights
Newark to Bridgetown flights

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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$119Average$269FlexibilityNo cancel feeOn-time62%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.