Cheap Flights from New York (JFK) to Trenton (TTN)

Popular airlines from John F. Kennedy Intl. Airport (JFK) to Trenton–Mercer Airport (TTN)

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Flights from New York (JFK) to Trenton (TTN)
Origin airport
John F. Kennedy Intl.
Destination airport
Mercer
Distance
60 mi

New York to Trenton Flights

The cheapest times to fly from New York to Trenton

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from New York to Trenton are during the month of . You can find some of the cheapest flights from New York to Trenton with Expedia's search tool and vast selection of airlines.

The best time to book a flight from New York to Trenton

Sunday is one of the best days to book for cheap flights from New York to Trenton: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from New York to Trenton

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from New York to Trenton in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap New York to Trenton flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your New York to Trenton airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

Is it cheaper to buy a plane ticket from JFK to Trenton--Mercer Airport last minute?
When it’s time to book your flights, being prepared pays off. While it’s possible to pick up a last-minute deal on a John F. Kennedy Intl. Airport (JFK) to Mercer Airport (TTN) flight, prices usually don’t get cheaper as the departure date nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to lock in a domestic flight is between 28 – 35 days in advance. For international journeys it’s three to four months.
What airports do you fly into for Trenton from New York?
From New York, you can journey to Trenton via Mercer Airport (TTN), Philadelphia Intl. Airport (PHL) and Lehigh Valley Intl. Airport (ABE). Do some research into which terminal is the most convenient for you before making your decision. If you opt for Mercer Airport (TTN), it’s around 5 mi northwest of the downtown area. Use the dollars you save when booking your journey with Expedia to visit the city’s popular attractions, such as Sesame Place and Rider University.
Can I change the date of my flight from JFK Airport to Trenton--Mercer Airport?
It’s a cinch to make changes to your John F. Kennedy Intl. Airport (JFK) to TTN journey yourself. Just go to the Expedia Trips portal and select “change flight.” Search for new flights and secure the one that fits your plans. You’ll get an estimate of applicable flight change fees. You can also find your way to our Customer Service portal to chat to our Virtual Agent and quickly get answers to all your questions.

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