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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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — TTN
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
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 October 16, 2025.

This Priceline deal was found by Cheapflights users on 10/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/242:07 pmSJU - TTN
1 stop9h 52mFrontier
Mon 10/276:00 amTTN - SJU
1 stop7h 02mFrontier
Deal found 10/16$283
This Frontier deal was found by Cheapflights users on 10/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/223:40 amSJU - TTN
1 stop6h 34mFrontier
Mon 10/2710:19 amTTN - SJU
1 stop13h 10mFrontier
Deal found 10/15$294
This Priceline deal was found by Cheapflights users on 10/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/53:59 amSJU - TTN
1 stop12h 33mFrontier
Fri 11/146:00 amTTN - SJU
1 stop14h 24mFrontier
Deal found 10/16$304
This Priceline deal was found by Cheapflights users on 10/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/249:19 pmSJU - TTN
1 stop26h 40mFrontier
Sun 10/266:00 amTTN - SJU
1 stop9h 53mFrontier
Deal found 10/15$313
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1011:05 amSJU - TTN
1 stop25h 45mFrontier
Sun 12/1412:45 pmTTN - SJU
1 stop20h 10mFrontier
Deal found 10/14$363
This Booking.com deal was found by Cheapflights users on 10/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:01 amSJU - TTN
1 stop12h 48mFrontier
Mon 11/2411:14 amTTN - SJU
1 stop10h 55mFrontier
Deal found 10/16$370
This OneTravel deal was found by Cheapflights users on 10/16. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/265:03 pmSJU - TTN
1 stop6h 56mFrontier
Mon 10/276:00 amTTN - SJU
1 stop29h 19mFrontier
Deal found 10/16$377
This Trip.com deal was found by Cheapflights users on 10/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1111:05 amSJU - TTN
1 stop6h 58mFrontier
Mon 12/156:10 amTTN - SJU
1 stop8h 49mFrontier
Deal found 10/15$386
This Trip.com deal was found by Cheapflights users on 10/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1310:39 pmSJU - TTN
1 stop26h 20mFrontier
Sun 11/169:29 pmTTN - SJU
1 stop14h 58mFrontier
Deal found 10/16$399
This Frontier deal was found by Cheapflights users on 10/16. 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.
Thu 11/203:59 amSJU - TTN
1 stop12h 24mFrontier
Wed 11/2612:44 pmTTN - SJU
1 stop13h 10mFrontier
Deal found 10/16$411

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 October 16, 2025.

Round-trip from

$294
(Frontier)

One-way from

$126
(Frontier)

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 October 16, 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 10/30

12:29 pm-11:59 pm

1 stop11h 30m

Trenton-Mercer

Mon 11/3

6:20 pm-2:54 am

1 stop7h 34m

$294

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

Sun 11/2

12:29 pm-11:59 pm

1 stop12h 30m

Trenton-Mercer

Sun 11/9

4:27 pm-2:54 am

1 stop9h 27m

$294

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

Thu 2/19

11:05 am-9:04 pm

1 stop10h 59m

Trenton-Mercer

Mon 2/23

9:59 pm-9:55 am

1 stop10h 56m

$294

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

Sun 12/14

9:32 pm-11:50 am

1 stop15h 18m

Trenton-Mercer

Sun 1/11

8:03 pm-1:05 pm

1 stop16h 02m

$304

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

Wed 11/5

3:59 am-3:32 pm

1 stop12h 33m

Trenton-Mercer

Fri 11/14

6:00 am-9:24 pm

1 stop14h 24m

$304

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

Thu 3/19

4:09 pm-11:59 pm

1 stop7h 50m

Trenton-Mercer

Tue 3/24

6:10 am-2:59 pm

1 stop8h 49m

$334

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

Thu 11/13

10:39 pm-11:59 pm

1 stop26h 20m

Trenton-Mercer

Sun 11/16

9:29 pm-1:27 pm

1 stop14h 58m

$399

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

Thu 1/15

6:06 pm-12:01 am

1 stop6h 55m

Trenton-Mercer

Sun 1/18

9:59 pm-9:54 am

1 stop10h 55m

$406

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

Thu 11/20

3:59 am-3:23 pm

1 stop12h 24m

Trenton-Mercer

Wed 11/26

12:44 pm-2:54 am

1 stop13h 10m

$411

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

Fri 11/14

3:59 am-11:59 pm

1 stop21h 00m

Trenton-Mercer

Sat 11/22

11:14 am-11:09 pm

1 stop10h 55m

$426

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/16

Showing 1-10 of 18 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 11h 30m. 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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