Cheap flights to Trenton, NJ

TTN is a unique code, commonly called an IATA code, used in the aviation industry to identify airports. This code, along with many others, are defined by IATA (International Air Transport Association). A TTN flight refers to a flight to Trenton-Mercer Airport.

Booking a flight to Trenton-Mercer (TTN) is your only option if you intend on flying to Trenton. It is only a 7.8 km journey from Trenton-Mercer to Trenton’s city center.

Cheapflights helps you search for flights to Trenton via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights to Trenton for you. Better yet — we are completely free to use.

Cheapflights does show flights with no change fees to all users. To see these options for flights to Trenton, users can toggle the no change fees filter when performing a flight search.

Yes, Cheapflights does offer price alerts on Trenton flights so you can book your travels when it’s right. The Price Alert feature is available after a flight search is performed above.