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

Popular airlines from Trenton–Mercer Airport (TTN) to LaGuardia Airport (LGA)

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Find available prices by choosing your travel dates.
Flights from Trenton (TTN) to New York (LGA)
Origin airport
Mercer
Destination airport
LaGuardia
Distance
60 mi

Trenton to New York Flights

The cheapest times to fly from Trenton to New York

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 Trenton to New York are during the month of . You can find some of the cheapest flights from Trenton to New York with Expedia's search tool and vast selection of airlines.

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

Sunday is one of the best days to book for cheap flights from Trenton to New York: 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 Trenton to New York

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 Trenton to New York 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 Trenton to New York 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 Trenton to New York 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 Trenton--Mercer Airport to LaGuardia Airport (LGA) last minute?
Booking your trip from Trenton–Mercer Airport to LaGuardia Airport (LGA) at the last minute could help you save if you strike it lucky and find an awesome deal. However, tickets usually don’t get cheaper as the departure date nears. If you choose to wait, flights could also be sold out or the best seats gone (hello, middle seat!). If you’d rather err on the side of caution, book well in advance of your departure date. Don’t forget that some of the biggest bargains can be found up to a year in advance. If your favorite carrier hasn’t released tickets yet, check back regularly as offers are constantly updated on Expedia.
What airports do you fly into for New York from Trenton?
From Trenton, you can travel to New York through LaGuardia Airport (LGA), John F. Kennedy Intl. Airport (JFK) and Liberty Intl. Airport (EWR). Be sure to check which terminal is the most convenient for you before you make a decision. If you opt for LaGuardia Airport (LGA), it’s approximately 6 mi east of the center of the city. Use the cash you save when booking your ticket with Expedia to uncover the city’s top sights, such as Times Square and Broadway.
Can I change the date of my flight from Trenton--Mercer Airport to LaGuardia Airport?
You can quickly and easily make changes to your TTN to LaGuardia Airport ticket through the Expedia Trips portal. Before making any amendments, read over the rules and conditions in your itinerary to learn what the airline will allow you to do and if change fees apply. Some carriers charge a change fee per person, plus any difference in prices. But if you booked in the last 24 hours, you may be able to cancel for free and organize new flights. You can also stop by our Customer Service portal for more advice and to connect with our Virtual Agent.

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