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Cheap flights from Trenton, New Jersey to Puerto Rico from $87

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Trenton, New Jersey to Puerto Rico departing on 5/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Trenton, New Jersey to Puerto Rico

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:14 pm - 2:01 am
TTN
-
SJU
6h 47m
1 stop
Frontier Logo
9:58 am - 11:59 pm
SJU
-
TTN
14h 01m
1 stop
$171Frontier
Fri, May 1 - Sat, May 2
Frontier Logo
7:14 pm - 2:01 am
TTN
-
SJU
6h 47m
1 stop
Frontier Logo
3:03 am - 9:42 am
SJU
-
TTN
6h 39m
1 stop
$176Frontier
Fri, May 1 - Mon, May 4
Frontier Logo
3:52 pm - 11:29 pm
TTN
-
SJU
7h 37m
1 stop
Frontier Logo
9:58 am - 6:12 pm
SJU
-
TTN
8h 14m
1 stop
$181Frontier
Fri, May 1 - Sat, May 2
Frontier Logo
8:00 am - 3:37 pm
TTN
-
SJU
7h 37m
1 stop
Frontier Logo
9:58 am - 6:12 pm
SJU
-
TTN
8h 14m
1 stop
$186Frontier
Sat, Apr 25 - Sat, May 2
Frontier Logo
7:12 pm - 2:01 am
TTN
-
SJU
6h 49m
1 stop
Frontier Logo
11:39 am - 11:59 pm
SJU
-
TTN
12h 20m
1 stop
$189Frontier
Sat, May 2 - Sun, May 3
Frontier Logo
8:31 pm - 10:43 pm
TTN
-
SJU
26h 12m
1 stop
Frontier Logo
3:03 am - 9:42 am
SJU
-
TTN
6h 39m
1 stop
$192Frontier
Fri, May 8 - Sun, May 10
Frontier Logo
4:04 pm - 11:57 pm
TTN
-
SJU
7h 53m
1 stop
Frontier Logo
3:03 am - 9:37 am
SJU
-
TTN
6h 34m
1 stop
$194Frontier
Thu, May 14 - Tue, May 19
Frontier Logo
6:00 am - 9:54 am
TTN
-
SJU
27h 54m
1 stop
Frontier Logo
3:21 am - 11:59 pm
SJU
-
TTN
20h 38m
1 stop
$196Frontier
Mon, Apr 27 - Thu, Apr 30
Frontier Logo
8:00 am - 3:37 pm
TTN
-
SJU
7h 37m
1 stop
Frontier Logo
3:21 am - 10:09 am
SJU
-
TTN
6h 48m
1 stop
$199Frontier
Sat, Apr 25 - Sat, Apr 25
Frontier Logo
3:52 pm - 11:29 pm
TTN
-
SJU
7h 37m
1 stop
Frontier Logo
3:21 am - 10:09 am
SJU
-
TTN
6h 48m
1 stop
$204Frontier
Thu, Apr 23 - Sat, Apr 25

Frontier flights from Trenton, New Jersey to Puerto Rico

Our best Frontier deals on Trenton, New Jersey to Puerto Rico flight tickets
Frontier
May 1
TTN7:14 pmTrenton-Mercer
6h 47m
1 stop
SJU2:01 amSan Juan Luis Munoz Marin Intl
May 2
SJU9:58 amSan Juan Luis Munoz Marin Intl
14h 01m
1 stop
TTN11:59 pmTrenton-Mercer
$171
Frontier
May 4
TTN9:11 pmTrenton-Mercer
28h 57m
1 stop
SJU2:08 amSan Juan Luis Munoz Marin Intl
May 8
SJU6:09 pmSan Juan Luis Munoz Marin Intl
15h 33m
1 stop
TTN9:42 amTrenton-Mercer
$176
Frontier
May 1
TTN3:52 pmTrenton-Mercer
7h 37m
1 stop
SJU11:29 pmSan Juan Luis Munoz Marin Intl
May 2
SJU9:58 amSan Juan Luis Munoz Marin Intl
8h 14m
1 stop
TTN6:12 pmTrenton-Mercer
$181

momondo Fare Finder

 
Customize your flight search to find flights from Trenton, New Jersey to Puerto Rico 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, momondo users made 832,500 searches. Data last updated April 13, 2026.
Use the filters below to find and compare flights from Trenton, New Jersey to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Fri 5/1

7:14 pm-2:01 am

1 stop6h 47m

San Juan Luis Munoz Marin Intl

Sat 5/2

9:58 am-11:59 pm

1 stop14h 01m

$171
Quickest round-trip

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Fri 5/1

7:14 pm-2:01 am

1 stop6h 47m

San Juan Luis Munoz Marin Intl

Mon 5/4

3:03 am-9:42 am

1 stop6h 39m

$176

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Fri 5/1

3:52 pm-11:29 pm

1 stop7h 37m

San Juan Luis Munoz Marin Intl

Sat 5/2

9:58 am-6:12 pm

1 stop8h 14m

$181

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Sat 4/25

8:00 am-3:37 pm

1 stop7h 37m

San Juan Luis Munoz Marin Intl

Sat 5/2

9:58 am-6:12 pm

1 stop8h 14m

$186

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Sat 5/2

7:12 pm-2:01 am

1 stop6h 49m

San Juan Luis Munoz Marin Intl

Sun 5/3

11:39 am-11:59 pm

1 stop12h 20m

$189

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Fri 5/8

8:31 pm-10:43 pm

1 stop26h 12m

San Juan Luis Munoz Marin Intl

Sun 5/10

3:03 am-9:42 am

1 stop6h 39m

$192

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Thu 5/14

4:04 pm-11:57 pm

1 stop7h 53m

San Juan Luis Munoz Marin Intl

Tue 5/19

3:03 am-9:37 am

1 stop6h 34m

$194

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Mon 4/27

6:00 am-9:54 am

1 stop27h 54m

San Juan Luis Munoz Marin Intl

Thu 4/30

3:21 am-11:59 pm

1 stop20h 38m

$196

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Sat 4/25

8:00 am-3:37 pm

1 stop7h 37m

San Juan Luis Munoz Marin Intl

Sat 4/25

3:21 am-10:09 am

1 stop6h 48m

$199

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Thu 4/23

3:52 pm-11:29 pm

1 stop7h 37m

San Juan Luis Munoz Marin Intl

Sat 4/25

3:21 am-10:09 am

1 stop6h 48m

$204

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Puerto Rico from

How to get the cheapest flight ticket from Trenton, New Jersey to Puerto Rico

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Trenton-Mercer to Puerto Rico?

Frontier is the most popular carrier operating from Trenton-Mercer to Puerto Rico

What airlines fly to Puerto Rico?

Frontier, JetBlue and United Airlines are the top three most popular airlines that fly to Puerto Rico from Trenton, New Jersey according to our data. Frontier is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Puerto Rico. Keep in mind that there are 7 different airlines that fly to Puerto Rico on a routine basis, so you have a few additional options to choose from.

Cheap Trenton, New Jersey to Puerto Rico flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Trenton, New Jersey to Puerto Rico

Fastest flight time

7h 53m

Direct flights

None
The fastest flight from Trenton, New Jersey to Puerto Rico takes 7h 53m
There are no direct flights from Trenton, New Jersey to Puerto Rico. There are no popular flight routes from Trenton, New Jersey to Puerto Rico.
Search flight deals

Frequently asked questions about flying from Trenton, New Jersey to Puerto Rico

  • When did momondo last update prices for flights from Trenton-Mercer Airport to Puerto Rico?

    Prices for flights from Trenton-Mercer Airport to Puerto Rico are refreshed on a daily basis.

  • How many operators does momondo search for flights from Trenton-Mercer Airport to Puerto Rico?

  • How old do you have to be to fly from Trenton-Mercer Airport to Puerto Rico?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Trenton-Mercer Airport to Puerto Rico.

  • What documentation or ID do you need to fly to Puerto Rico?

    The necessary travel and health documents for your Puerto Rico trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Trenton, New Jersey to Puerto Rico

Compare and see reviews for airlines that fly from Trenton, New Jersey to Puerto Rico with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $168Free CancellationRating
5.7
2,994 reviews
Search Frontier flights

Why use momondo?

Why should I use momondo to find a flight deal from Trenton to Puerto Rico?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Trenton to Puerto Rico. momondo saves you time and could save you money on your trip.

Can I find flights from Trenton to Puerto Rico with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Puerto Rico from Trenton with this policy.

How can momondo help me find flights from Trenton to Puerto Rico?

Once all potential Trenton to Puerto Rico flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Trenton to Puerto Rico right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Puerto Rico from Trenton. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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