Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Trenton, New Jersey to San Juan from $165

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 8/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Trenton, New Jersey to San Juan

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:50 am - 4:11 pm
TTN
-
SJU
28h 21m
1 stop
Multiple Airlines Logo
5:37 pm - 4:32 pm
SJU
-
TTN
22h 55m
1 stop
$292Multiple Airlines
Thu, Aug 13 - Wed, Aug 19
Multiple Airlines Logo
12:13 pm - 4:11 pm
TTN
-
SJU
27h 58m
1 stop
Multiple Airlines Logo
8:57 pm - 12:04 pm
SJU
-
TTN
15h 07m
1 stop
$303Multiple Airlines
Thu, Aug 27 - Tue, Sep 1
Multiple Airlines Logo
10:30 am - 7:58 am
TTN
-
SJU
21h 28m
1 stop
Multiple Airlines Logo
5:12 pm - 6:33 pm
SJU
-
TTN
25h 21m
1 stop
$311Multiple Airlines
Sat, Oct 3 - Sat, Oct 10
Frontier Logo
5:18 pm - 12:34 am
TTN
-
SJU
7h 16m
1 stop
Frontier Logo
6:44 am - 11:40 pm
SJU
-
TTN
16h 56m
2 stops
$331Frontier
Sun, Aug 30 - Mon, Sep 7
Frontier Logo
10:30 am - 1:50 am
TTN
-
SJU
15h 20m
1 stop
Frontier Logo
4:39 pm - 3:42 pm
SJU
-
TTN
23h 03m
1 stop
$334Frontier
Thu, Oct 1 - Sun, Oct 4
Frontier Logo
6:25 am - 5:31 pm
TTN
-
SJU
11h 06m
1 stop
Frontier Logo
3:10 am - 12:04 pm
SJU
-
TTN
8h 54m
1 stop
$336Frontier
Wed, Aug 5 - Tue, Aug 18
Frontier Logo
5:18 pm - 12:34 am
TTN
-
SJU
7h 16m
1 stop
Frontier Logo
8:57 pm - 12:04 pm
SJU
-
TTN
15h 07m
1 stop
$344Frontier
Sun, Aug 30 - Mon, Sep 7
Frontier Logo
4:26 pm - 12:41 am
TTN
-
SJU
8h 15m
1 stop
Frontier Logo
3:10 am - 10:28 am
SJU
-
TTN
7h 18m
1 stop
$345Frontier
Mon, Aug 10 - Mon, Aug 10
Multiple Airlines Logo
11:50 am - 4:11 pm
TTN
-
SJU
28h 21m
1 stop
Multiple Airlines Logo
8:57 pm - 12:04 pm
SJU
-
TTN
15h 07m
1 stop
$346Multiple Airlines
Thu, Aug 13 - Tue, Aug 18
Frontier Logo
4:26 pm - 12:41 am
TTN
-
SJU
8h 15m
1 stop
Frontier Logo
12:11 pm - 12:04 pm
SJU
-
TTN
23h 53m
1 stop
$350Frontier
Thu, Aug 13 - Wed, Aug 19

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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 30
TTN5:18 pmTrenton-Mercer
7h 16m
1 stop
SJU12:34 amSan Juan Luis Munoz Marin Intl
Sep 7
SJU6:44 amSan Juan Luis Munoz Marin Intl
16h 56m
2 stops
TTN11:40 pmTrenton-Mercer
$331
Frontier
Oct 1
TTN10:30 amTrenton-Mercer
15h 20m
1 stop
SJU1:50 amSan Juan Luis Munoz Marin Intl
Oct 4
SJU4:39 pmSan Juan Luis Munoz Marin Intl
23h 03m
1 stop
TTN3:42 pmTrenton-Mercer
$334
Frontier
Aug 5
TTN6:25 amTrenton-Mercer
11h 06m
1 stop
SJU5:31 pmSan Juan Luis Munoz Marin Intl
Aug 18
SJU3:10 amSan Juan Luis Munoz Marin Intl
8h 54m
1 stop
TTN12:04 pmTrenton-Mercer
$336

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 July 15, 2026.
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

Cheapest round-trip

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Thu 8/13

11:50 am-4:11 pm

1 stop28h 21m

San Juan Luis Munoz Marin Intl

Wed 8/19

5:37 pm-4:32 pm

1 stop22h 55m

$292

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Thu 8/27

12:13 pm-4:11 pm

1 stop27h 58m

San Juan Luis Munoz Marin Intl

Tue 9/1

8:57 pm-12:04 pm

1 stop15h 07m

$303

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Sat 10/3

10:30 am-7:58 am

1 stop21h 28m

San Juan Luis Munoz Marin Intl

Sat 10/10

5:12 pm-6:33 pm

1 stop25h 21m

$311

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Sun 8/30

5:18 pm-12:34 am

1 stop7h 16m

San Juan Luis Munoz Marin Intl

Mon 9/7

6:44 am-11:40 pm

2 stops16h 56m

$331

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Thu 10/1

10:30 am-1:50 am

1 stop15h 20m

San Juan Luis Munoz Marin Intl

Sun 10/4

4:39 pm-3:42 pm

1 stop23h 03m

$334

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Wed 8/5

6:25 am-5:31 pm

1 stop11h 06m

San Juan Luis Munoz Marin Intl

Tue 8/18

3:10 am-12:04 pm

1 stop8h 54m

$336

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Sun 8/30

5:18 pm-12:34 am

1 stop7h 16m

San Juan Luis Munoz Marin Intl

Mon 9/7

8:57 pm-12:04 pm

1 stop15h 07m

$344
Quickest round-trip

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Mon 8/10

4:26 pm-12:41 am

1 stop8h 15m

San Juan Luis Munoz Marin Intl

Mon 8/10

3:10 am-10:28 am

1 stop7h 18m

$345

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Thu 8/13

11:50 am-4:11 pm

1 stop28h 21m

San Juan Luis Munoz Marin Intl

Tue 8/18

8:57 pm-12:04 pm

1 stop15h 07m

$346

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Thu 8/13

4:26 pm-12:41 am

1 stop8h 15m

San Juan Luis Munoz Marin Intl

Wed 8/19

12:11 pm-12:04 pm

1 stop23h 53m

$350

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to San Juan from

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 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 Monday. momondo users have found tickets for Monday departures for as low as $333. 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 $377.

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 $302. Flights in the morning are often more expensive with an average ticket price of $368.

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

Fastest flight time

7h 16m

Direct flights

None
The fastest flight from Trenton, New Jersey to San Juan Luis Munoz Marin Intl Airport takes 7h 16m
There are no direct flights from Trenton, New Jersey to San Juan Luis Munoz Marin Intl Airport. There are no popular flight routes from Trenton, New Jersey to San Juan Luis Munoz Marin Intl Airport.
Search flight deals

Frequently asked questions about flying from Trenton, New Jersey to San Juan Luis Munoz Marin Intl Airport

  • 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 16m 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 $194Free CancellationRating
5.6
2,801 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
Rio Grande
Humacao
Caguas
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.

An easier way to manage your San Juan Luis Munoz Marin Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 8/14
Fri 8/21
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to San Juan