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Trenton

$126+ Cheap flights from San Juan to Trenton, NJ (TTN)

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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — TTN
Sep 8 — Sep 151
Mon 9/8
Mon 9/15
1 adult, Economy
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Cheap flight deals from San Juan to Trenton

Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) to Trenton (TTN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 3, 2025.

Round-trip from

$252
(CheapOair)

One-way from

$126
(CheapOair)

Popular in

August

Cheapest in

February

Average price

$216
From San Juan to Trenton-Mercer
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One-way flight from San Juan to Trenton-Mercer
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Highest demand for flights based on searches. 10% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from San Juan to Trenton

Cheapest flights from San Juan to Trenton
Explore the most affordable flight options available from San Juan to Trenton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 3, 2025.

This CheapOair deal was found by Cheapflights users on 9/2. 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 9/263:39 amSJU - TTN
1 stop7h 21mFrontier
Sat 10/188:00 amTTN - SJU
1 stop18h 30mFrontier
Deal found 9/2$252
This Booking.com deal was found by Cheapflights users on 9/2. 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.
Thu 9/119:07 amSJU - TTN
1 stop25h 53mFrontier
Sun 9/144:57 pmTTN - SJU
1 stop9h 37mFrontier
Deal found 9/2$255
This CheapOair deal was found by Cheapflights users on 9/2. 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 9/103:39 amSJU - TTN
1 stop7h 21mFrontier
Sat 9/1311:45 amTTN - SJU
1 stop12h 14mFrontier
Deal found 9/2$268
This Mytrip deal was found by Cheapflights users on 9/1. 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 9/123:39 amSJU - TTN
1 stop7h 21mFrontier
Sun 9/214:57 pmTTN - SJU
1 stop15h 05mFrontier
Deal found 9/1$269
This Mytrip deal was found by Cheapflights users on 9/1. 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.
Tue 10/73:40 amSJU - TTN
1 stop17h 10mFrontier
Fri 10/3111:08 amTTN - SJU
1 stop27h 34mFrontier
Deal found 9/1$284
This Mytrip deal was found by Cheapflights users on 9/1. 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 9/253:39 amSJU - TTN
1 stop7h 21mFrontier
Sun 9/284:57 pmTTN - SJU
1 stop7h 02mFrontier
Deal found 9/1$285
This Mytrip deal was found by Cheapflights users on 9/1. 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 10/163:40 amSJU - TTN
1 stop20h 19mFrontier
Sun 10/196:00 amTTN - SJU
1 stop25h 55mFrontier
Deal found 9/1$286
This Booking.com deal was found by Cheapflights users on 9/1. 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.
Wed 9/173:39 amSJU - TTN
1 stop7h 21mFrontier
Sun 9/214:57 pmTTN - SJU
1 stop15h 05mFrontier
Deal found 9/1$287
This OneTravel deal was found by Cheapflights users on 9/3. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/53:39 amSJU - TTN
1 stop7h 21mFrontier
Sun 10/194:25 pmTTN - SJU
1 stop15h 30mFrontier
Deal found 9/3$288
This Trip.com deal was found by Cheapflights users on 9/2. 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.
Sat 9/273:39 amSJU - TTN
1 stop7h 21mFrontier
Fri 10/106:00 amTTN - SJU
1 stop7h 02mFrontier
Deal found 9/2$292
This Frontier deal was found by Cheapflights users on 9/2. 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.
Sat 10/183:40 amSJU - TTN
1 stop6h 34mFrontier
Thu 11/64:27 pmTTN - SJU
1 stop9h 27mFrontier
Deal found 9/2$294

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Juan to Trenton 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 September 3, 2025.
Use the filters below to find and compare flights from San Juan to Trenton that are best for you.

Fly from

San Juan

Fly to

Trenton

Route

Depart

Return

Price

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

Thu 10/2

3:39 am-11:00 am

1 stop7h 21m

Trenton-Mercer

Mon 10/6

11:45 am-12:00 pm

1 stop24h 15m

$252

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

Fri 9/26

3:39 am-11:00 am

1 stop7h 21m

Trenton-Mercer

Sat 10/18

8:00 am-2:30 am

1 stop18h 30m

$252

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

Fri 9/19

3:39 am-11:00 am

1 stop7h 21m

Trenton-Mercer

Mon 10/6

11:45 am-12:00 pm

1 stop24h 15m

$252

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

Wed 10/8

1:17 pm-8:50 pm

1 stop7h 33m

Trenton-Mercer

Sat 10/18

8:00 am-2:30 am

1 stop18h 30m

$252

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

Fri 9/26

3:39 am-11:00 am

1 stop7h 21m

Trenton-Mercer

Mon 9/29

11:45 am-2:34 am

1 stop14h 49m

$252

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

Thu 10/2

8:00 am-12:15 pm

1 stop28h 15m

Trenton-Mercer

Thu 10/9

9:00 am-2:30 am

1 stop17h 30m

$252

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

Sun 10/5

8:00 am-12:15 pm

1 stop28h 15m

Trenton-Mercer

Sat 10/25

8:00 am-2:30 am

1 stop18h 30m

$252

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

Sat 9/20

3:39 am-11:00 am

1 stop7h 21m

Trenton-Mercer

Sun 9/28

4:57 pm-8:02 am

1 stop15h 05m

$252

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

Wed 9/10

3:39 am-11:00 am

1 stop7h 21m

$126

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

Sun 9/21

3:39 am-11:00 am

1 stop7h 21m

$126

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/2

Showing 1-10 of 17 results
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Best time to book a flight from San Juan to Trenton

Have a flexible travel schedule? Discover the best time to fly to Trenton from San Juan 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 San Juan to Trenton

What is the cheapest month to book a flight from San Juan to Trenton, New Jersey?

Currently, January is the cheapest month in which you can book a flight from San Juan to Trenton, New Jersey (average of $73). Flying from San Juan to Trenton, New Jersey in June is currently the most expensive (average of $153). 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.

Related info for your journey

Find useful and relevant information for your journey from San Juan to Trenton. 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 into for flights to Trenton from San Juan?

    Trenton-Mercer (TTN), located 4.8 mi from the city center, is the airport you fly into when you book flights from San Juan to Trenton. 0 airlines have flights to Trenton-Mercer from San Juan on a regular basis. Booking flights from San Juan to Trenton-Mercer should not be difficult; the airport handles an average of 0 inbound flights from San Juan per day.

  • How long is the flight from San Juan to Trenton, New Jersey?

    For as low as $252, Frontier can have you in Trenton, New Jersey from San Juan in 7h 21m. There are 1596 mi between San Juan and Trenton, New Jersey.

  • Can I find deals for flights from San Juan to Trenton that include hotel bookings?

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

  • How can I find direct flights from San Juan to Trenton?

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

  • Can I find deals for business class flights from San Juan to Trenton?

    Yes. Cheapflights offers flight deals from San Juan to Trenton 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 San Juan to Trenton, New Jersey?

    Currently, January is the cheapest month in which you can book a flight from San Juan to Trenton, New Jersey (average of $73). Flying from San Juan to Trenton, New Jersey in June is currently the most expensive (average of $153). 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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