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Trenton

$147+ 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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — TTN
nov. 13 — nov. 201
jue. 11/13
jue. 11/20
1 adult, Economy
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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 octubre 14, 2025.

This CheapOair deal was found by Cheapflights users on 10/14. 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.
mié. 10/2912:29 pmSJU - TTN
1 stop27h 03mFrontier
vie. 11/1411:08 amTTN - SJU
1 stop26h 34mFrontier
Deal found 10/14$294
This Booking.com deal was found by Cheapflights users on 10/13. 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.
jue. 11/1310:39 pmSJU - TTN
1 stop26h 20mFrontier
lun. 11/176:00 amTTN - SJU
1 stop19h 54mFrontier
Deal found 10/13$297
This Booking.com deal was found by Cheapflights users on 10/13. 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.
jue. 11/67:30 amSJU - TTN
1 stop27h 43mFrontier
lun. 11/106:20 pmTTN - SJU
1 stop7h 34mFrontier
Deal found 10/13$298
This Booking.com deal was found by Cheapflights users on 10/14. 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.
mié. 11/123:59 amSJU - TTN
1 stop12h 33mFrontier
dom. 11/169:29 pmTTN - SJU
1 stop14h 58mFrontier
Deal found 10/14$299
This Frontier deal was found by Cheapflights users on 10/12. 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.
vie. 10/246:22 amSJU - TTN
2 stops17h 37mFrontier
lun. 10/2710:19 amTTN - SJU
1 stop13h 10mFrontier
Deal found 10/12$320
This Frontier deal was found by Cheapflights users on 10/13. 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.
jue. 12/257:25 amSJU - TTN
1 stop12h 12mFrontier
vie. 1/96:10 amTTN - SJU
1 stop9h 45mFrontier
Deal found 10/13$329
This CheapOair deal was found by Cheapflights users on 10/12. 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.
mié. 10/153:40 amSJU - TTN
1 stop20h 19mFrontier
sáb. 10/188:00 amTTN - SJU
1 stop18h 30mFrontier
Deal found 10/12$334
This Mytrip deal was found by Cheapflights users on 10/13. 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.
mié. 12/311:05 amSJU - TTN
1 stop25h 45mFrontier
sáb. 12/137:32 pmTTN - SJU
1 stop13h 23mFrontier
Deal found 10/13$336
This Trip.com deal was found by Cheapflights users on 10/12. 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.
jue. 10/164:16 pmSJU - TTN
1 stop17h 08mFrontier
jue. 10/234:25 pmTTN - SJU
1 stop10h 05mFrontier
Deal found 10/12$343
This Booking.com deal was found by Cheapflights users on 10/11. 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.
mié. 12/1011:05 amSJU - TTN
1 stop25h 45mFrontier
jue. 1/159:59 pmTTN - SJU
1 stop27h 49mFrontier
Deal found 10/11$376
This Priceline deal was found by Cheapflights users on 10/12. 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.
jue. 12/113:55 amSJU - TTN
1 stop8h 55mFrontier
lun. 12/1512:45 pmTTN - SJU
1 stop13h 05mFrontier
Deal found 10/12$384

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 octubre 14, 2025.

Round-trip from

$294
(CheapOair)

One-way from

$147
(CheapOair)

Popular in

August

Cheapest in

February

Average price

$206
From San Juan to Trenton-Mercer
Search Deals
One-way flight from San Juan to Trenton-Mercer
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($25 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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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 octubre 14, 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

vie. 10/24

2:07 pm-11:59 pm

1 stop9h 52m

Trenton-Mercer

lun. 10/27

6:00 am-2:09 am

1 stop20h 09m

$294

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

vie. 2/20

11:05 am-9:04 pm

1 stop10h 59m

Trenton-Mercer

lun. 2/23

9:59 pm-9:55 am

1 stop10h 56m

$294

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

sáb. 11/1

12:29 pm-11:59 pm

1 stop11h 30m

Trenton-Mercer

jue. 11/13

4:27 pm-9:24 pm

1 stop27h 57m

$294

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

jue. 2/19

11:05 am-9:04 pm

1 stop10h 59m

Trenton-Mercer

lun. 2/23

6:10 am-8:32 pm

1 stop13h 22m

$294

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

vie. 1/9

5:18 pm-7:08 pm

1 stop26h 50m

Trenton-Mercer

lun. 1/12

6:10 am-8:32 pm

1 stop13h 22m

$294

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

mié. 2/25

3:55 am-9:04 pm

1 stop18h 09m

Trenton-Mercer

lun. 3/2

6:10 am-9:55 am

1 stop26h 45m

$294

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

sáb. 10/25

3:40 am-10:14 am

1 stop6h 34m

Trenton-Mercer

lun. 11/3

6:20 pm-2:54 am

1 stop7h 34m

$294

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

mié. 11/5

3:59 am-3:32 pm

1 stop12h 33m

Trenton-Mercer

lun. 11/10

6:20 pm-2:54 am

1 stop7h 34m

$294

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

mié. 10/29

3:04 am-3:32 pm

1 stop12h 28m

Trenton-Mercer

vie. 10/31

11:08 am-2:42 pm

1 stop27h 34m

$294

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

mié. 11/12

3:59 am-3:32 pm

1 stop12h 33m

Trenton-Mercer

lun. 11/17

6:20 pm-2:54 am

1 stop7h 34m

$294

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/13

Showing 1-10 of 20 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, October is the cheapest month in which you can book a flight from San Juan to Trenton, New Jersey (average of $51). Flying from San Juan to Trenton, New Jersey in August is currently the most expensive (average of $100). 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 $294, Frontier can have you in Trenton, New Jersey from San Juan in 9h 52m. 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, October is the cheapest month in which you can book a flight from San Juan to Trenton, New Jersey (average of $51). Flying from San Juan to Trenton, New Jersey in August is currently the most expensive (average of $100). 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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