In terms of precipitation, rainfall in Puerto Rico ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit Puerto Rico when rainfall is around 2.2 in.

If weather is an important factor for your trip to Puerto Rico, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

What is the cheapest time of day to fly from TTN to PR?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Trenton, New Jersey to Puerto Rico as you normally would.

What airport do you fly from for flights from Trenton to Puerto Rico?

Most people fly from Trenton-Mercer (TTN) if they book a flight from Trenton to Puerto Rico. Trenton-Mercer is conveniently located just 4.8 mi from Trenton’s city center.

Can I find deals for flights from Trenton to Puerto Rico that include hotel bookings?

Yes. In addition to deals on Trenton to Puerto Rico flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Trenton to Puerto Rico?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Trenton to Puerto Rico.

Can I find deals for business class flights from Trenton to Puerto Rico?

Yes. Cheapflights offers flight deals from Trenton to Puerto Rico by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Find Cheap Flights from Trenton, NJ to Puerto Rico

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Find flight deals from Trenton to Puerto Rico

Popular in	July
Cheapest in	January
Average price	$400

Highest demand for flights based on searches. 5% potential increase in price ($20 potential increase over avg. RT price).

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Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).

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Average for round-trip flights in November 2026

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Reviews of airlines servicing Puerto Rico

See what other customers who have flown with Frontier from Trenton to Puerto Rico have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Frontier

5.5

Fair

2,507 reviews

Reviews

1 / 20

10.0

Excellent

Paola,Oct 2026

LAX - PDX

The operation was kind and professional, and I thought it was neat that the pilot shared over the intercom when we were passing over two landmarks - Yosemite and Lake Tahoe -- so we can look at the window.

Frontier

5.5

Fair

2,507 reviews

Frontier

5.5

Fair

2,507 reviews

Reviews

1 / 20

10.0

Excellent

Paola,Oct 2026

LAX - PDX

Related info for your journey

What airport do you fly from for flights from Trenton to Puerto Rico?
Most people fly from Trenton-Mercer (TTN) if they book a flight from Trenton to Puerto Rico. Trenton-Mercer is conveniently located just 4.8 mi from Trenton’s city center.
Can I find deals for flights from Trenton to Puerto Rico that include hotel bookings?
Yes. In addition to deals on Trenton to Puerto Rico flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Trenton to Puerto Rico?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Trenton to Puerto Rico.
Can I find deals for business class flights from Trenton to Puerto Rico?
Yes. Cheapflights offers flight deals from Trenton to Puerto Rico by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Trenton to Puerto Rico

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Top airline flying from Trenton to Puerto Rico

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$147	Average$343	FlexibilityNo cancel fee	On-time62%

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Find cheap flights from Trenton to Puerto Rico with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Trenton to Puerto Rico

Popular in

Cheapest in

Average price

Reviews of airlines servicing Puerto Rico

See what other customers who have flown with Frontier from Trenton to Puerto Rico have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly from for flights from Trenton to Puerto Rico?

Can I find deals for flights from Trenton to Puerto Rico that include hotel bookings?

How can I find direct flights from Trenton to Puerto Rico?

Can I find deals for business class flights from Trenton to Puerto Rico?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Trenton to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Puerto Rico by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Trenton to Puerto Rico by cabin class

Find flights from Trenton to Puerto Rico, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Trenton and Puerto Rico flights

Browse other Trenton and Puerto Rico flight options. Last updated on November 9, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Trenton to Puerto Rico flights

Consider these flights traveling from Trenton to Puerto Rico.

Top airline flying from Trenton to Puerto Rico

100% Free

Book with Flexibility

Travel Smart

Cheap flights from Trenton, NJ (TTN) to Puerto Rico

Find cheap flights from Trenton to Puerto Rico with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Trenton to Puerto Rico

Popular in

Cheapest in

Average price

Reviews of airlines servicing Puerto Rico

See what other customers who have flown with Frontier from Trenton to Puerto Rico have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly from for flights from Trenton to Puerto Rico?

Can I find deals for flights from Trenton to Puerto Rico that include hotel bookings?

How can I find direct flights from Trenton to Puerto Rico?

Can I find deals for business class flights from Trenton to Puerto Rico?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Trenton to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Puerto Rico by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Trenton to Puerto Rico by cabin class

Find flights from Trenton to Puerto Rico, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Trenton and Puerto Rico flights

Browse other Trenton and Puerto Rico flight options. Last updated on November 9, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Trenton to Puerto Rico flights

Consider these flights traveling from Trenton to Puerto Rico.

Top airline flying from Trenton to Puerto Rico

100% Free

Book with Flexibility

Travel Smart