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$86+ 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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
TTN — SJU
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This Super.com deal was found by Cheapflights users on 12/15. 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 12/309:59 pmTTN - SJU
1 stop17h 00mFrontier
Tue 1/138:57 amSJU - TTN
1 stop13h 47mFrontier
Deal found 12/15$192
This Super.com deal was found by Cheapflights users on 12/15. 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 12/309:59 pmTTN - SJU
1 stop17h 00mFrontier
Wed 1/79:23 pmSJU - TTN
1 stop17h 09mFrontier
Deal found 12/15$213
This CheapOair deal was found by Cheapflights users on 12/16. 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 12/296:10 amTTN - SJU
1 stop19h 40mFrontier
Mon 1/129:23 pmSJU - TTN
1 stop25h 21mFrontier
Deal found 12/16$234
This CheapOair deal was found by Cheapflights users on 12/16. 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 12/319:59 pmTTN - SJU
1 stop10h 24mFrontier
Wed 1/77:18 pmSJU - TTN
1 stop29h 41mFrontier
Deal found 12/16$238
This CheapOair deal was found by Cheapflights users on 12/17. 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.
Sat 12/209:59 pmTTN - SJU
1 stop27h 51mFrontier
Thu 12/2510:33 amSJU - TTN
1 stop11h 41mFrontier
Deal found 12/17$265
This Booking.com deal was found by Cheapflights users on 12/14. 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 12/309:59 pmTTN - SJU
1 stop27h 51mFrontier
Wed 1/73:55 amSJU - TTN
1 stop21h 04mFrontier
Deal found 12/14$266
This Super.com deal was found by Cheapflights users on 12/14. 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 12/226:10 amTTN - SJU
1 stop8h 49mFrontier
Thu 1/228:00 amSJU - TTN
1 stop12h 48mFrontier
Deal found 12/14$272
This CheapOair deal was found by Cheapflights users on 12/14. 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 12/205:13 pmTTN - SJU
1 stop6h 41mFrontier
Tue 1/138:57 amSJU - TTN
1 stop13h 47mFrontier
Deal found 12/14$273
This Super.com deal was found by Cheapflights users on 12/15. 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 12/296:10 amTTN - SJU
1 stop13h 17mFrontier
Sat 1/106:15 amSJU - TTN
1 stop16h 41mFrontier
Deal found 12/15$282
This Frontier deal was found by Cheapflights users on 12/16. 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 12/219:59 pmTTN - SJU
1 stop10h 24mFrontier
Tue 12/2310:08 amSJU - TTN
1 stop7h 10mFrontier
Deal found 12/16$284

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 December 18, 2025.

Round-trip from

$167
(Frontier)

One-way from

$86
(Frontier)

Popular in

December

Cheapest in

March

Average price

$364
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. 7% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 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

Tue 2/3

3:21 pm-11:59 pm

1 stop7h 38m

San Juan Luis Munoz Marin Intl

Tue 2/10

2:07 pm-11:39 pm

1 stop10h 32m

$172

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Thu 2/5

8:38 pm-10:24 am

1 stop12h 46m

San Juan Luis Munoz Marin Intl

Tue 2/10

5:25 pm-11:39 pm

1 stop7h 14m

$176

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Thu 1/29

8:38 pm-10:24 am

1 stop12h 46m

San Juan Luis Munoz Marin Intl

Tue 2/10

2:07 pm-11:39 pm

1 stop10h 32m

$176

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Mon 1/26

8:27 pm-3:26 pm

1 stop17h 59m

San Juan Luis Munoz Marin Intl

Wed 1/28

8:00 am-11:09 am

1 stop28h 09m

$176

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Sat 1/31

8:19 pm-9:54 am

1 stop12h 35m

San Juan Luis Munoz Marin Intl

Thu 2/5

8:00 am-7:48 pm

1 stop12h 48m

$176

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Thu 2/5

8:38 pm-10:24 am

1 stop12h 46m

San Juan Luis Munoz Marin Intl

Wed 2/11

5:25 pm-11:39 pm

1 stop7h 14m

$176

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Sat 1/24

8:19 pm-9:54 am

1 stop12h 35m

San Juan Luis Munoz Marin Intl

Tue 1/27

4:36 pm-2:26 pm

1 stop22h 50m

$177

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Sat 2/7

12:04 pm-11:59 pm

1 stop10h 55m

San Juan Luis Munoz Marin Intl

Sat 2/14

7:54 pm-3:20 pm

1 stop20h 26m

$177

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Thu 2/19

10:26 am-2:53 am

1 stop15h 27m

San Juan Luis Munoz Marin Intl

Wed 2/25

5:25 pm-9:46 am

1 stop17h 21m

$177

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Thu 2/19

10:31 am-2:53 am

1 stop15h 22m

San Juan Luis Munoz Marin Intl

Thu 2/26

5:25 pm-1:07 pm

1 stop20h 42m

$181

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 24 results
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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, March is the cheapest month in which you can book a flight from Trenton, New Jersey to Puerto Rico (average of $62). 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 December 18, 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 December 18, 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
3,081 reviews

Crew

6.7

Food

4.6

Overall

5.8

Comfort

5.5

Boarding

6.0

Entertainment

4.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

ATL - MDW

Flight was canceled. Late notification and limited help with booking another flight.
Frontier
5.8
Fair
3,081 reviews
Frontier
5.8
Fair
3,081 reviews

Crew

6.7

Food

4.6

Overall

5.8

Comfort

5.5

Boarding

6.0

Entertainment

4.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

ATL - MDW

Flight was canceled. Late notification and limited help with booking another flight.

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 7h 38m. 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, March is the cheapest month in which you can book a flight from Trenton, New Jersey to Puerto Rico (average of $62). 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$143Average$307FlexibilityNo cancel feeOn-time62%

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