$178 Cheap Flights from New York (LGA) to Trenton (TTN)

View $178 flight on Thu, Nov 27, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $178 for one-way flights and $457 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Oct 20 - Mon, Oct 27
LGA
New York
TTN
Trenton
$457 Roundtrip, found 1 day ago
$457
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Oct 20 from New York to Trenton, returning Mon, Oct 27, priced at $457 found 1 day ago
American Airlines
Sat, Oct 11 - Mon, Oct 13
LGA
New York
TTN
Trenton
$495 Roundtrip, found 1 day ago
$495
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Oct 11 from New York to Trenton, returning Mon, Oct 13, priced at $495 found 1 day ago
American Airlines
Sat, Oct 11 - Mon, Oct 13
LGA
New York
TTN
Trenton
$496 Roundtrip, found 1 day ago
$496
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Oct 11 from New York to Trenton, returning Mon, Oct 13, priced at $496 found 1 day ago
American Airlines
Sat, Oct 11 - Mon, Oct 13
LGA
New York
TTN
Trenton
$497 Roundtrip, found 1 day ago
$497
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Oct 11 from New York to Trenton, returning Mon, Oct 13, priced at $497 found 1 day ago
American Airlines
Mon, Oct 20 - Mon, Oct 27
LGA
New York
TTN
Trenton
$502 Roundtrip, found 1 day ago
$502
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Oct 20 from New York to Trenton, returning Mon, Oct 27, priced at $502 found 1 day ago
American Airlines
Mon, Oct 20 - Mon, Oct 27
LGA
New York
TTN
Trenton
$516 Roundtrip, found 1 day ago
$516
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Oct 20 from New York to Trenton, returning Mon, Oct 27, priced at $516 found 1 day ago
American Airlines
Mon, Oct 20 - Mon, Oct 27
LGA
New York
TTN
Trenton
$516 Roundtrip, found 1 day ago
$516
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Oct 20 from New York to Trenton, returning Mon, Oct 27, priced at $516 found 1 day ago
American Airlines
Mon, Oct 20 - Mon, Oct 27
LGA
New York
TTN
Trenton
$517 Roundtrip, found 1 day ago
$517
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Oct 20 from New York to Trenton, returning Mon, Oct 27, priced at $517 found 1 day ago
American Airlines
Sat, Oct 11 - Mon, Oct 13
LGA
New York
TTN
Trenton
$524 Roundtrip, found 1 day ago
$524
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Oct 11 from New York to Trenton, returning Mon, Oct 13, priced at $524 found 1 day ago
American Airlines
Sat, Oct 11 - Mon, Oct 13
LGA
New York
TTN
Trenton
$525 Roundtrip, found 1 day ago
$525
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Oct 11 from New York to Trenton, returning Mon, Oct 13, priced at $525 found 1 day ago

Frequently asked questions

How much does a flight from LaGuardia Airport (LGA) to Mercer Airport (TTN) cost?
Get a cheap one-way flight from $178 or cheap return flight from $457 from LaGuardia Airport (LGA) to Mercer Airport (TTN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from LaGuardia Airport (LGA) to Mercer Airport (TTN)?
October is the least expensive month to fly from LGA to TTN. Traveling during quieter months is often the key to finding better deals on flights.
What is the cheapest airline that flies from LaGuardia Airport (LGA) to Mercer Airport (TTN)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest LGA to TTN flight.
How many flights per day from LaGuardia Airport (LGA) to Mercer Airport (TTN)?
You'll need to hop on a flight with a layover if you're traveling from LaGuardia Airport (LGA) to Mercer Airport (TTN). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from LGA to TTN?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change depending on a number of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from LaGuardia Airport (LGA) to Mercer Airport (TTN)?
To avoid possible delays on the LaGuardia Airport (LGA) to Mercer Airport (TTN) route, aim to travel before 3 PM. Departures after this time have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Trenton from LaGuardia Airport (LGA)?
Philadelphia Intl. Airport (PHL) is the only airport in Trenton with direct flights from LaGuardia Airport (LGA). Browse the available options and find cheap fares on Expedia.
Is it cheaper to buy a plane ticket from LaGuardia Airport (LGA) to Mercer Airport (TTN) last-minute?
Booking your ticket from LGA to TTN just before your trip is typically more expensive. However, if there's some wiggle room with your itinerary, you could bag a cheap last-minute fare.
Is it cheaper to book a LGA to TTN flight and hotel package?
Compared with arranging hotels and flights separately, booking a LGA to TTN flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one place will take the hassle out of planning your trip. Simply pick your flights and choose from our extensive range of hotels, then tailor your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from LaGuardia Airport (LGA) to Mercer Airport (TTN)?
If you booked your LGA to TTN flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

Travel information

Travel information

Origin airport
LaGuardia
Destination airport
Mercer
Airlines serving
American Airlines
Roundtrip price
$457
Distance
60 mi

Book with confidence

Book with confidence

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 October. 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 $178 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.

 

New York to Trenton Flights

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*Available to One Key members.