In terms of precipitation, rainfall in Trenton, New Jersey ranges from 2.9 - 4.8 inches per month. July is typically the wettest month, when rainfall can reach 4.8 in. February is typically the driest time to visit Trenton, New Jersey when rainfall is around 2.9 in.

If weather is an important factor for your trip to Trenton, New Jersey, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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

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

Most accurate provider : When it comes to deals on San Jose, California-Trenton, New Jersey flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Jose, California-Trenton, New Jersey flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Jose, California-Trenton, New Jersey flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on San Jose, California-Trenton, New Jersey flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Jose, California-Trenton, New Jersey flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from San Jose to Trenton that include hotel bookings?

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

How can I find direct flights from San Jose to Trenton?

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

Can I find deals for business class flights from San Jose to Trenton?

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

$327+ Flights from San Jose, CA to Trenton, NJ

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One-way flights from San Jose to Trenton
Search for one-way flight options from San Jose to Trenton. Find affordable one-way fares based on user searches. Data last updated November 20, 2025.

Sun 12/217:48 pmSJC - TTN

2 stops25h 11mFrontier

Deal found 11/19

$327

Cheap flight deals from San Jose to Trenton

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 1 star
Popular in	November
Cheapest in	February
Average price	$481

Provider with most accurate pricing for San Jose-Trenton-Mercer flight deals.

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Provider most trusted by Cheapflights users for San Jose-Trenton-Mercer flights.

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Highest demand for flights based on searches. 12% potential increase in price ($51 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).

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Average for round-trip flights in November 2025

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Fly from

Fly to

Route

Depart

Return

Price

San JoseTrenton

SJC - TTN

SJCTTN

San Jose

Sun 12/21

7:48 pm-11:59 pm

2 stops25h 11m

$327

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Most accurate provider: When it comes to deals on San Jose, California-Trenton, New Jersey flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Jose, California-Trenton, New Jersey flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Jose, California-Trenton, New Jersey flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on San Jose, California-Trenton, New Jersey flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Jose, California-Trenton, New Jersey flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Jose to Trenton

Have a flexible travel schedule? Discover the best time to fly to Trenton from San Jose with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Jose to Trenton

What is the cheapest month to book a flight from San Jose, California to Trenton, New Jersey?

Currently, January is the cheapest month in which you can book a flight from San Jose, California to Trenton, New Jersey (average of $64). Flying from San Jose, California to Trenton, New Jersey in August is currently the most expensive (average of $194). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Can I find deals for flights from San Jose to Trenton that include hotel bookings?
Yes. In addition to deals on San Jose to Trenton flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San Jose to Trenton?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Jose to Trenton.
Can I find deals for business class flights from San Jose to Trenton?
Yes. Cheapflights offers flight deals from San Jose to Trenton by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from San Jose, California to Trenton, New Jersey?
Currently, January is the cheapest month in which you can book a flight from San Jose, California to Trenton, New Jersey (average of $64). Flying from San Jose, California to Trenton, New Jersey in August is currently the most expensive (average of $194). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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$327+ Cheap flights from San Jose, CA to Trenton, NJ (SJC - TTN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/21. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Jose to Trenton with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from San Jose to Trenton

One-way flights from San Jose to TrentonSearch for one-way flight options from San Jose to Trenton. Find affordable one-way fares based on user searches. Data last updated November 20, 2025.

Search for one-way flight options from San Jose to Trenton. Find affordable one-way fares based on user searches. Data last updated November 20, 2025.

Cheap flight deals from San Jose to Trenton

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Use the filters below to find and compare flights from San Jose to Trenton that are best for you.

Best time to book a flight from San Jose to Trenton

Have a flexible travel schedule? Discover the best time to fly to Trenton from San Jose with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from San Jose to Trenton

What is the cheapest month to book a flight from San Jose, California to Trenton, New Jersey?

Related info for your journey

Find useful and relevant information for your journey from San Jose to Trenton. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find deals for flights from San Jose to Trenton that include hotel bookings?

How can I find direct flights from San Jose to Trenton?

Can I find deals for business class flights from San Jose to Trenton?

What is the cheapest month to book a flight from San Jose, California to Trenton, New Jersey?

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One-way flights from San Jose to Trenton
Search for one-way flight options from San Jose to Trenton. Find affordable one-way fares based on user searches. Data last updated November 20, 2025.