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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
4:49 pm - 2:08 am
TTN
-
SJU
9h 19m
1 stop
Frontier Logo
3:03 am - 9:37 am
SJU
-
TTN
6h 34m
1 stop
$176Frontier
Sun, May 10 - Tue, May 12
Frontier Logo
9:59 pm - 9:54 am
TTN
-
SJU
11h 55m
1 stop
Frontier Logo
3:03 am - 9:42 am
SJU
-
TTN
6h 39m
1 stop
$186Frontier
Sun, May 3 - Fri, May 8
Frontier Logo
11:41 am - 11:57 pm
TTN
-
SJU
12h 16m
1 stop
Frontier Logo
3:03 am - 9:42 am
SJU
-
TTN
6h 39m
1 stop
$189Frontier
Mon, May 11 - Mon, May 11
Frontier Logo
4:49 pm - 2:08 am
TTN
-
SJU
9h 19m
1 stop
Frontier Logo
3:03 am - 9:34 am
SJU
-
TTN
6h 31m
1 stop
$194Frontier
Sun, May 10 - Wed, May 13
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
$195Frontier
Sun, May 17 - Tue, May 19
Frontier Logo
6:00 am - 2:01 am
TTN
-
SJU
20h 01m
1 stop
Frontier Logo
6:09 pm - 9:42 am
SJU
-
TTN
15h 33m
1 stop
$196Frontier
Sun, May 3 - Thu, May 7
Frontier Logo
4:04 pm - 11:57 pm
TTN
-
SJU
7h 53m
1 stop
Frontier Logo
3:03 am - 9:42 am
SJU
-
TTN
6h 39m
1 stop
$199Frontier
Thu, May 7 - Thu, May 7
Frontier Logo
8:31 pm - 10:43 pm
TTN
-
SJU
26h 12m
1 stop
Frontier Logo
2:56 pm - 3:19 pm
SJU
-
TTN
24h 23m
1 stop
$204Frontier
Fri, May 8 - Sat, May 16
Frontier Logo
10:27 am - 10:43 pm
TTN
-
SJU
12h 16m
1 stop
Frontier Logo
3:03 am - 9:34 am
SJU
-
TTN
6h 31m
1 stop
$207Frontier
Sat, May 9 - Sat, May 9
Frontier Logo
4:49 pm - 2:08 am
TTN
-
SJU
9h 19m
1 stop
Frontier Logo
3:03 am - 9:42 am
SJU
-
TTN
6h 39m
1 stop
$211Frontier
Sun, May 10 - Sat, May 23

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
May 10
TTN4:49 pmTrenton-Mercer
9h 19m
1 stop
SJU2:08 amSan Juan Luis Munoz Marin Intl
May 12
SJU3:03 amSan Juan Luis Munoz Marin Intl
6h 34m
1 stop
TTN9:37 amTrenton-Mercer
$176
Frontier
May 3
TTN9:59 pmTrenton-Mercer
11h 55m
1 stop
SJU9:54 amSan Juan Luis Munoz Marin Intl
May 8
SJU3:03 amSan Juan Luis Munoz Marin Intl
6h 39m
1 stop
TTN9:42 amTrenton-Mercer
$186
Frontier
May 11
TTN11:41 amTrenton-Mercer
12h 16m
1 stop
SJU11:57 pmSan Juan Luis Munoz Marin Intl
May 11
SJU3:03 amSan Juan Luis Munoz Marin Intl
6h 39m
1 stop
TTN9:42 amTrenton-Mercer
$189

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 April 22, 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

Sun 5/10

4:49 pm-2:08 am

1 stop9h 19m

San Juan Luis Munoz Marin Intl

Tue 5/12

3:03 am-9:37 am

1 stop6h 34m

$176

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Sun 5/3

9:59 pm-9:54 am

1 stop11h 55m

San Juan Luis Munoz Marin Intl

Fri 5/8

3:03 am-9:42 am

1 stop6h 39m

$186

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Mon 5/11

11:41 am-11:57 pm

1 stop12h 16m

San Juan Luis Munoz Marin Intl

Mon 5/11

3:03 am-9:42 am

1 stop6h 39m

$189

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Sun 5/10

4:49 pm-2:08 am

1 stop9h 19m

San Juan Luis Munoz Marin Intl

Wed 5/13

3:03 am-9:34 am

1 stop6h 31m

$194
Quickest round-trip

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Sun 5/17

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

$195

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Sun 5/3

6:00 am-2:01 am

1 stop20h 01m

San Juan Luis Munoz Marin Intl

Thu 5/7

6:09 pm-9:42 am

1 stop15h 33m

$196

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Thu 5/7

4:04 pm-11:57 pm

1 stop7h 53m

San Juan Luis Munoz Marin Intl

Thu 5/7

3:03 am-9:42 am

1 stop6h 39m

$199

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

Sat 5/16

2:56 pm-3:19 pm

1 stop24h 23m

$204

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Sat 5/9

10:27 am-10:43 pm

1 stop12h 16m

San Juan Luis Munoz Marin Intl

Sat 5/9

3:03 am-9:34 am

1 stop6h 31m

$207

TrentonSan Juan

TTN - SJU

TTNSJU

Trenton-Mercer

Sun 5/10

4:49 pm-2:08 am

1 stop9h 19m

San Juan Luis Munoz Marin Intl

Sat 5/23

3:03 am-9:42 am

1 stop6h 39m

$211

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 typical price of a round-trip flight between Trenton, New Jersey and San Juan Luis Munoz Marin Intl Airport?

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 $299. 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 $346.

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 $303. Flights in the afternoon are often more expensive with an average ticket price of $342.

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

6h 49m

Direct flights

None
The fastest flight from Trenton, New Jersey to San Juan Luis Munoz Marin Intl Airport takes 6h 49m
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. 6h 49m 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 $143Free CancellationRating
5.6
2,982 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
Rio Grande
Humacao
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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Fri 5/22
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