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Cheap flights from Trenton, New Jersey to San Juan from $142

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 San Juan departing on 8/29. 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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Find the cheapest flights from Trenton, New Jersey to San Juan (TTN-SJU)

Cheap round-trip flights

Frontier Logo
5:03 pm - 2:50 amTTN-SJU
9h 47m1 stop
Frontier Logo
3:39 am - 11:00 amSJU-TTN
7h 21m1 stop
$284Frontier
Find Deal
Fri, Aug 29 - Thu, Sep 4
Frontier Logo
4:57 pm - 11:59 pmTTN-SJU
7h 02m1 stop
Frontier Logo
3:39 am - 11:00 amSJU-TTN
7h 21m1 stop
$285Frontier
Find Deal
Thu, Sep 25 - Sat, Sep 27
Frontier Logo
4:57 pm - 11:59 pmTTN-SJU
7h 02m1 stop
Frontier Logo
3:39 am - 11:00 amSJU-TTN
7h 21m1 stop
$286Frontier
Find Deal
Thu, Sep 25 - Thu, Sep 25
Frontier Logo
11:45 am - 11:59 pmTTN-SJU
12h 14m1 stop
Frontier Logo
3:39 am - 11:00 amSJU-TTN
7h 21m1 stop
$287Frontier
Find Deal
Sat, Sep 13 - Fri, Sep 19
Frontier Logo
11:45 am - 11:59 pmTTN-SJU
12h 14m1 stop
Frontier Logo
3:39 am - 11:00 amSJU-TTN
7h 21m1 stop
$289Frontier
Find Deal
Sat, Sep 20 - Sat, Sep 20
Frontier Logo
6:00 am - 1:02 pmTTN-SJU
7h 02m1 stop
Frontier Logo
3:40 am - 10:14 amSJU-TTN
6h 34m1 stop
$290Frontier
Find Deal
Fri, Oct 17 - Sat, Oct 25
Frontier Logo
6:00 am - 1:02 pmTTN-SJU
7h 02m1 stop
Frontier Logo
3:40 am - 10:14 amSJU-TTN
6h 34m1 stop
$291Frontier
Find Deal
Fri, Oct 17 - Sat, Oct 25
Frontier Logo
11:45 am - 11:59 pmTTN-SJU
12h 14m1 stop
Frontier Logo
3:39 am - 11:00 amSJU-TTN
7h 21m1 stop
$294Frontier
Find Deal
Sat, Sep 13 - Fri, Sep 26
Frontier Logo
11:45 am - 11:59 pmTTN-SJU
12h 14m1 stop
Frontier Logo
3:39 am - 11:00 amSJU-TTN
7h 21m1 stop
$301Frontier
Find Deal
Fri, Sep 5 - Wed, Sep 24
Logo
12:30 pm - 2:11 pmTTN-SJU
25h 41m2 stops
Logo
3:19 pm - 8:50 pmSJU-TTN
29h 31m1 stop
$413
Find Deal
Fri, Oct 3 - Tue, Oct 7

Frontier flights from Trenton, New Jersey to San Juan Luis Munoz Marin Intl Airport

Our best Frontier deals on Trenton, New Jersey to San Juan Luis Munoz Marin Intl Airport flight tickets
Frontier
Aug 29
TTN5:03 pmTrenton-Mercer
26h 15m
1 stop
SJU7:18 pmSan Juan Luis Munoz Marin Intl
Sep 5
SJU4:42 pmSan Juan Luis Munoz Marin Intl
18h 18m
1 stop
TTN11:00 amTrenton-Mercer
$284
Find similar
Frontier
Sep 25
TTN4:57 pmTrenton-Mercer
7h 02m
1 stop
SJU11:59 pmSan Juan Luis Munoz Marin Intl
Sep 28
SJU4:42 pmSan Juan Luis Munoz Marin Intl
18h 18m
1 stop
TTN11:00 amTrenton-Mercer
$285
Find similar
Frontier
Sep 25
TTN4:57 pmTrenton-Mercer
7h 02m
1 stop
SJU11:59 pmSan Juan Luis Munoz Marin Intl
Sep 25
SJU3:39 amSan Juan Luis Munoz Marin Intl
7h 21m
1 stop
TTN11:00 amTrenton-Mercer
$286
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Trenton, New Jersey to San Juan Luis Munoz Marin Intl Airport 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 August 18, 2025.
Use the filters below to find and compare flights from Trenton, New Jersey to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Fri 8/29

5:03 pm-2:50 am

1 stop9h 47m

San Juan Luis Munoz Marin Intl

Thu 9/4

3:39 am-11:00 am

1 stop7h 21m

$284

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Thu 9/25

4:57 pm-11:59 pm

1 stop7h 02m

San Juan Luis Munoz Marin Intl

Sat 9/27

3:39 am-11:00 am

1 stop7h 21m

$285

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Thu 9/25

4:57 pm-11:59 pm

1 stop7h 02m

San Juan Luis Munoz Marin Intl

Thu 9/25

3:39 am-11:00 am

1 stop7h 21m

$286

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Sat 9/13

11:45 am-11:59 pm

1 stop12h 14m

San Juan Luis Munoz Marin Intl

Fri 9/19

3:39 am-11:00 am

1 stop7h 21m

$287

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Sat 9/20

11:45 am-11:59 pm

1 stop12h 14m

San Juan Luis Munoz Marin Intl

Sat 9/20

3:39 am-11:00 am

1 stop7h 21m

$289

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Fri 10/17

6:00 am-1:02 pm

1 stop7h 02m

San Juan Luis Munoz Marin Intl

Sat 10/25

3:40 am-10:14 am

1 stop6h 34m

$290

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Fri 10/17

6:00 am-1:02 pm

1 stop7h 02m

San Juan Luis Munoz Marin Intl

Sat 10/25

3:40 am-10:14 am

1 stop6h 34m

$291

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Sat 9/13

11:45 am-11:59 pm

1 stop12h 14m

San Juan Luis Munoz Marin Intl

Fri 9/26

3:39 am-11:00 am

1 stop7h 21m

$294

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Fri 9/5

11:45 am-11:59 pm

1 stop12h 14m

San Juan Luis Munoz Marin Intl

Wed 9/24

3:39 am-11:00 am

1 stop7h 21m

$301

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Fri 10/3

12:30 pm-2:11 pm

2 stops25h 41m

San Juan Luis Munoz Marin Intl

Tue 10/7

3:19 pm-8:50 pm

1 stop29h 31m

$413

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Trenton, New Jersey to San Juan Luis Munoz Marin Intl Airport

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 month to fly to San Juan Luis Munoz Marin Intl Airport?

If you aren’t able to travel to San Juan Luis Munoz Marin Intl Airport during the month of March, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $149.

What is the cheapest day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

On average, the least expensive day to fly to San Juan Luis Munoz Marin Intl Airport from Trenton, New Jersey is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $251. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Thursday is the most expensive day to depart from Trenton, New Jersey because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $306.

What is the cheapest time of day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

The cheapest time of day to fly to San Juan Luis Munoz Marin Intl Airport is at noon when flights can be purchased for as low as $222. Flights in the evening are often more expensive with an average ticket price of $314.

When to book flights from Trenton, New Jersey to San Juan Luis Munoz Marin Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Trenton, New Jersey to San Juan Luis Munoz Marin Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Trenton, New Jersey to San Juan Luis Munoz Marin Intl Airport (TTN to SJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Trenton, New Jersey to San Juan Luis Munoz Marin Intl Airport

Best Price Found

$142

Fastest flight time

6h 42m

Direct flights

None
The best one-way flight to San Juan Luis Munoz Marin Intl Airport from Trenton, New Jersey in the past 72 hours is $142. The best round-trip flight deal from Trenton, New Jersey to San Juan Luis Munoz Marin Intl Airport found on momondo in the last 72 hours is $284.
The fastest flight from Trenton, New Jersey to San Juan Luis Munoz Marin Intl Airport takes 6h 42m
There are no direct flights from Trenton, New Jersey to San Juan Luis Munoz Marin Intl Airport. Popular non-direct route for this connection is Trenton-Mercer Airport - San Juan Luis Munoz Marin Intl Airport.
Search flight deals

  • How far is Trenton-Mercer to San Juan Luis Munoz Marin Intl by plane?

    San Juan Luis Munoz Marin Intl is 1591.5 mi away from Trenton-Mercer. 7h 02m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Trenton-Mercer Airport to San Juan Luis Munoz Marin Intl Airport?

    Prices for flights from Trenton-Mercer Airport to San Juan Luis Munoz Marin Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Trenton-Mercer Airport to San Juan Luis Munoz Marin Intl Airport?

  • How old do you have to be to fly from Trenton-Mercer Airport to San Juan Luis Munoz Marin Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Trenton-Mercer Airport to San Juan Luis Munoz Marin Intl Airport.

  • What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?

    The necessary travel and health documents for your San Juan Luis Munoz Marin Intl Airport 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.

  • What is the most popular airline from Trenton, New Jersey to San Juan Luis Munoz Marin Intl Airport?

Best airlines flying from Trenton, New Jersey to San Juan Luis Munoz Marin Intl Airport

Compare and see reviews for airlines that fly from Trenton, New Jersey to San Juan Luis Munoz Marin Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $119Free CancellationRating
5.8
3,212 reviews
Search Frontier flights

Traveling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Carolina
Fajardo
Dorado
Luquillo
Caguas
Humacao
Rio Grande
Bayamón

Why use momondo?

Why should I use momondo to find a flight deal from Trenton to San Juan?

Finding the right flight to San Juan from Trenton is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Juan quick and easy, saving you time and money.

Can I find flights from Trenton to San Juan with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Juan from Trenton with this policy.

How can momondo help me find flights from Trenton to San Juan?

momondo helps you find the best flight between Trenton and San Juan by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Trenton to San Juan now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Juan and let you know when they change.

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Trenton, New Jersey flight routes

According to popular flight searches on momondo this year
Trenton-Mercer to Orlando
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Trenton-Mercer to Myrtle Beach Intl
Trenton-Mercer to Tampa