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Trenton

$69+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — TTN
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
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 November 13, 2025.

This CheapOair deal was found by Cheapflights users on 11/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/33:55 amSJU - TTN
1 stop21h 04mFrontier
Sun 12/79:08 pmTTN - SJU
1 stop11h 47mFrontier
Deal found 11/11$153
This CheapOair deal was found by Cheapflights users on 11/12. 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.
Wed 12/33:55 amSJU - TTN
1 stop21h 04mFrontier
Sat 12/66:10 amTTN - SJU
1 stop26h 45mFrontier
Deal found 11/12$168
This Mytrip deal was found by Cheapflights users on 11/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1910:08 amSJU - TTN
1 stop9h 08mFrontier
Wed 1/78:00 amTTN - SJU
1 stop6h 34mFrontier
Deal found 11/11$242
This Booking.com deal was found by Cheapflights users on 11/11. 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.
Tue 12/236:00 amSJU - TTN
1 stop18h 59mFrontier
Wed 1/78:00 amTTN - SJU
1 stop6h 34mFrontier
Deal found 11/11$265
This Booking.com deal was found by Cheapflights users on 11/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/103:55 amSJU - TTN
1 stop14h 08mFrontier
Sun 12/149:08 pmTTN - SJU
1 stop28h 42mFrontier
Deal found 11/12$284
This Booking.com deal was found by Cheapflights users on 11/11. 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.
Wed 12/243:55 amSJU - TTN
1 stop21h 04mFrontier
Wed 12/316:10 amTTN - SJU
1 stop19h 40mFrontier
Deal found 11/11$329
This Mytrip deal was found by Cheapflights users on 11/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/113:55 amSJU - TTN
1 stop14h 08mFrontier
Mon 12/155:58 pmTTN - SJU
1 stop7h 52mFrontier
Deal found 11/12$352

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 November 13, 2025.

Round-trip from

$138
(Frontier)

One-way from

$69
(Frontier)

Popular in

August

Cheapest in

February

Average price

$237
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. 12% potential increase in price ($29 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 November 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 November 13, 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

Wed 1/28

3:55 am-9:04 pm

1 stop18h 09m

Trenton-Mercer

Sun 2/1

9:59 pm-9:55 am

1 stop10h 56m

$151

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

$153

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

Wed 12/3

3:55 am-11:59 pm

1 stop21h 04m

Trenton-Mercer

Sat 12/6

6:10 am-9:55 am

1 stop26h 45m

$168

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

Thu 12/4

5:09 pm-11:59 pm

1 stop7h 50m

Trenton-Mercer

Sun 12/7

9:08 pm-9:55 am

1 stop11h 47m

$211

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

Tue 12/23

6:00 am-11:59 pm

1 stop18h 59m

Trenton-Mercer

Wed 1/7

8:00 am-3:34 pm

1 stop6h 34m

$265

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

Wed 12/10

3:55 am-5:03 pm

1 stop14h 08m

Trenton-Mercer

Sun 12/14

9:08 pm-2:50 am

1 stop28h 42m

$284

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

Fri 12/19

10:17 pm-11:59 pm

1 stop26h 42m

Trenton-Mercer

Wed 1/7

7:30 am-6:02 pm

2 stops33h 32m

$336

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

Thu 12/11

3:55 am-5:03 pm

1 stop14h 08m

Trenton-Mercer

Mon 12/15

5:58 pm-2:50 am

1 stop7h 52m

$352

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

Sat 2/28

3:55 am-11:59 pm

1 stop21h 04m

Trenton-Mercer

Sun 3/8

9:59 pm-2:59 pm

1 stop17h 00m

$379

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

Wed 1/28

11:05 am-10:02 pm

1 stop11h 57m

$69

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 19 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 $151, Frontier can have you in Trenton, New Jersey from San Juan in 18h 09m. 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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