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Trenton

$87+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — TTN
Feb 23 — Mar 21
Mon 2/23
Mon 3/2
1 adult, Economy
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Cheap 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 January 24, 2026.

This CheapOair deal was found by Cheapflights users on 1/21. 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.
Tue 2/173:53 am
SJU
-
TTN
1 stop20h 46m
Frontier
Mon 2/2311:54 am
TTN
-
SJU
1 stop21h 00m
Frontier
Deal found 1/21$178
This Frontier deal was found by Cheapflights users on 1/24. 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.
Tue 4/1411:07 am
SJU
-
TTN
1 stop10h 30m
Frontier
Mon 4/206:00 am
TTN
-
SJU
1 stop8h 06m
Frontier
Deal found 1/24$182
This Trip.com deal was found by Cheapflights users on 1/22. 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 2/58:00 am
SJU
-
TTN
1 stop12h 48m
Frontier
Wed 2/188:00 am
TTN
-
SJU
1 stop15h 43m
Frontier
Deal found 1/22$183
This Mytrip deal was found by Cheapflights users on 1/22. 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.
Sat 1/318:00 am
SJU
-
TTN
1 stop12h 24m
Frontier
Sat 2/712:04 pm
TTN
-
SJU
1 stop10h 55m
Frontier
Deal found 1/22$203
This Mytrip deal was found by Cheapflights users on 1/23. 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 2/611:34 am
SJU
-
TTN
1 stop8h 04m
Frontier
Sat 2/712:04 pm
TTN
-
SJU
1 stop10h 55m
Frontier
Deal found 1/23$217
This Priceline deal was found by Cheapflights users on 1/23. 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.
Sat 2/78:00 am
SJU
-
TTN
1 stop12h 24m
Frontier
Sun 2/89:06 pm
TTN
-
SJU
1 stop17h 20m
Frontier
Deal found 1/23$227
This Frontier deal was found by Cheapflights users on 1/22. 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 1/298:00 am
SJU
-
TTN
1 stop12h 48m
Frontier
Fri 2/611:56 am
TTN
-
SJU
1 stop11h 03m
Frontier
Deal found 1/22$238
This Frontier deal was found by Cheapflights users on 1/23. 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 5/63:08 am
SJU
-
TTN
1 stop6h 46m
Frontier
Mon 5/116:00 am
TTN
-
SJU
1 stop8h 06m
Frontier
Deal found 1/23$240
This Mytrip deal was found by Cheapflights users on 1/22. 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 2/126:00 am
SJU
-
TTN
1 stop18h 39m
Frontier
Mon 2/166:45 am
TTN
-
SJU
1 stop18h 40m
Frontier
Deal found 1/22$244
This Trip.com deal was found by Cheapflights users on 1/23. 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.
Wed 4/2211:07 am
SJU
-
TTN
1 stop22h 47m
Frontier
Mon 5/45:37 pm
TTN
-
SJU
1 stop8h 24m
Frontier
Deal found 1/23$253

Find 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 January 24, 2026.

Round-trip from

$178
(CheapOair)

One-way from

$87
(Mytrip)

Popular in

August

Cheapest in

February

Average price

$200
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 ($23 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 January 2026
Search Deals

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 January 24, 2026.
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

Tue 4/14

11:07 am-9:37 pm

1 stop10h 30m

Trenton-Mercer

Mon 4/20

6:00 am-2:06 pm

1 stop8h 06m

$182

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

Wed 2/18

3:53 am-9:46 am

1 stop6h 53m

Trenton-Mercer

Mon 2/23

6:00 am-12:43 am

1 stop17h 43m

$203

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

Wed 2/18

11:07 am-11:39 pm

1 stop13h 32m

Trenton-Mercer

Sun 2/22

4:05 pm-2:53 am

1 stop9h 48m

$217

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

Sat 2/7

8:00 am-7:24 pm

1 stop12h 24m

Trenton-Mercer

Sun 2/8

9:06 pm-3:26 pm

1 stop17h 20m

$227

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

Wed 5/6

3:08 am-9:54 am

1 stop6h 46m

Trenton-Mercer

Mon 5/11

6:00 am-2:06 pm

1 stop8h 06m

$240

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

Thu 2/12

6:00 am-11:39 pm

1 stop18h 39m

Trenton-Mercer

Mon 2/16

6:45 am-2:25 am

1 stop18h 40m

$244

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

Wed 4/22

11:07 am-9:54 am

1 stop22h 47m

Trenton-Mercer

Mon 5/4

5:37 pm-2:01 am

1 stop8h 24m

$253

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

Fri 2/20

3:53 am-11:39 pm

1 stop20h 46m

Trenton-Mercer

Mon 2/23

11:54 am-12:43 am

1 stop11h 49m

$271

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

Fri 3/27

6:30 am-2:19 pm

1 stop7h 49m

Trenton-Mercer

Mon 4/13

7:31 pm-2:01 am

1 stop6h 30m

$274

San JuanTrenton

SJU - TTN

SJUTTN

San Juan Luis Munoz Marin Intl

Fri 2/6

4:36 pm-7:24 pm

1 stop27h 48m

Trenton-Mercer

Mon 2/16

6:00 am-9:54 am

1 stop26h 54m

$280

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

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 July 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 $203, Frontier can have you in Trenton, New Jersey from San Juan in 6h 53m. 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 July 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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