Airport Code for Trenton NJ: TTN, Airlines, Parking and Travel Info
The airport code for Trenton NJ is TTN. This guide explains Trenton-Mercer Airport, KTTN, who flies there, whether Southwest serves Trenton, how parking works, how to reach the train stations, and when to choose PHL, EWR or another nearby airport instead.
Check these official TTN pages before leaving
Flight schedules, parking rules, fares and ground-transport options can change. Use these official or primary-source pages before you drive to the airport, book a taxi or decide between TTN and a larger airport.
What is the airport code for Trenton NJ?
The airport code for Trenton NJ is TTN. It refers to Trenton-Mercer Airport, a Mercer County airport in Ewing Township that serves the greater Trenton area.
Airport live checks & travel tools
Use current local conditions, official live-status links and planning calculators before you travel. Airline gate, terminal and flight times can change; your carrier remains the final source for flight-specific details.
Live flight center
Check the airport's official flight board, then confirm any last-minute gate or timing change with the airline.
Current airport-area weather
Useful for planning your trip to the airport. This is model-based local weather, not an aviation METAR or an airline operational forecast.
Quick official checks
Open the source that matches the decision you are making right now.
When should I reach the airport?
A planning estimate based on flight type and common time buffers. Always increase the buffer for severe weather, major holidays, unusual airport alerts or airline instructions.
Connection-risk checker
This is a planning heuristic, not an airline minimum-connection-time rule. International arrivals that require U.S. entry processing, baggage claim and security can need substantially more time.
Parking cost estimator
Uses the airport-specific rates stored in this article's configuration. Rates can change; verify availability and final pricing on the official parking page before driving in.
Passenger pickup readiness
Landing time is not curb-ready time. Add time for taxiing, deplaning, baggage claim, customs when applicable and walking to the correct pickup zone.
Use for airline tickets, baggage tags and public flight searches.
U.S. airport identifier also used for aviation references.
Used in aviation operations, weather and procedures.
The commercial airport serving the Trenton area.
Near Trenton, accessible from I-295, U.S. 1 and I-95.
Airport city code for Trenton NJ
The airport city code travelers usually mean is also TTN. Do not confuse it with TRX, which belongs to Trenton Municipal Airport in Missouri, or with larger nearby airports such as PHL Philadelphia and EWR Newark.
What airlines fly into Trenton NJ?
The answer depends on whether you mean a plane departing from TTN or an airline-branded ground connection. TTN is a small airport, so route availability can be seasonal and limited compared with Philadelphia or Newark.
Frontier is the core scheduled airline associated with TTN. The airport’s official site lists Frontier nonstop service to several Florida destinations and warns that some destinations are seasonal.
Allegiant announced low-cost nonstop flights at Trenton-Mercer Airport starting February 2026, including Florida leisure routes. Check Allegiant for actual dates, flight days and route inventory before relying on a destination.
American Airlines promotes a Landline premium motorcoach connection between TTN and Philadelphia International Airport. This is not a normal TTN-to-PHL aircraft flight. It is designed to connect passengers into American’s PHL network with airline-style booking, security and baggage handling where eligible.
Southwest does not currently appear as a normal scheduled airline at TTN. For Southwest, compare nearby airports that Southwest actually serves, especially Philadelphia, Baltimore, LaGuardia or other route-map options that fit your trip.
Quick answers for Trenton-Mercer Airport searches
Is there an airport in Trenton New Jersey?
Yes. Trenton-Mercer Airport serves the Trenton area from Ewing, NJ. It is not a huge hub, but it does have scheduled passenger service and airport facilities.
Closest airport to Trenton NJ
For local commercial service, TTN is the closest airport for many Trenton-area travelers. For more route choices, compare PHL, EWR, ABE, LGA and JFK.
Small-airport baggage flow
TTN arrivals use baggage claim as the exit path from the airline ramp area, even when you do not check a bag. Plan pickup timing around that flow.
Arrival ramp exposure
Passengers may exit aircraft by an open-air ramp. In rain, snow, heat or wind, keep a jacket or umbrella plan in mind.
REAL ID applies
Domestic flyers age 18+ need a REAL ID-compliant license/ID or another TSA-accepted document, such as a passport.
Do not expect big-airport retail
TTN is convenient because it is small. The tradeoff: the airport notes there are no bookstores or shops inside the terminal.
TTN trip tools: departure buffer, parking estimate and airport choice
These tools are static planning aids. They do not access live flight, parking, TSA or fare data. Always verify day-of-travel details with the official links above.
Departure arrival-time calculator
Estimate how early to reach the terminal door at TTN.
Parking estimate
Uses published daily/hourly rates as a planning estimate.
TTN vs nearby airport picker
Get a quick planning recommendation.
Pickup readiness checker
Avoid waiting at the curb too early.
What TTN is like as a passenger airport
Trenton-Mercer is a smaller airport, which is the point: shorter walks, cheaper parking and less big-airport stress. The tradeoff is fewer carriers, fewer shops, more seasonal schedules and less backup if a flight is canceled.
Security checkpoint
The airport lists the TSA screening checkpoint downstairs. After screening, passengers wait in a sterile gate area until the flight is called.
Food options
TTN notes a downstairs snack bar and an upstairs on-site restaurant, Sky Lounge. Do not plan on big-airport shopping.
Pet relief
The airport lists a pet relief area in the arrivals section. There are no pet relief areas beyond security.
How to get from TTN to Trenton, West Trenton, Philadelphia or New York
TTN works best for travelers who can drive, get dropped off or use a taxi/rideshare. Rail is possible, but it usually requires a short taxi or bus connection to a station.
The airport’s ground-transport page lists taxi and limousine service from TTN, including approximate taxi rates of $35 to Trenton Train Station and $8 to West Trenton Train Station. Confirm the fare before entering the vehicle.
NJ Transit provides bus service connections to West Trenton Train Station, Hamilton Train Station and Trenton Transit Center. The airport page also notes Trenton-to-New York rail travel around $16, but you should check NJ Transit for current fares, delays and schedules.
SEPTA connects Trenton and West Trenton with Center City Philadelphia. The airport page lists the approximate fare around $11, but current SEPTA schedules and fares should be checked before you rely on the train.
National and Enterprise are listed on the main level of the passenger terminal. Avis and Budget are listed at 34 East Piper Avenue, Trenton, NJ 08628, with shuttle availability noted by the airport.
Trenton-Mercer Airport parking rates and rules
TTN’s official parking page is simple compared with major airports. The key decision is whether you want the lowest daily rate, a closer lot or short-term parking for pickup.
Tuskegee Airmen / Amelia Earhart Lots
$10 daily. Good for travelers who want close, simple daily parking.
Wright Brothers Lot
$9 daily. Usually the lowest listed daily option.
Short-term parking
$2 per hour for 4 hours. Best for pickups, short waits or terminal errands.
Stop at the entrance gate, push the green button and retrieve the entrance ticket.
The airport specifically warns travelers to keep the ticket because it is needed to exit.
The airport notes credit-card payment at the exit gate and kiosks in the terminal or baggage claim.
The official airport page lists parking assistance at 609-306-7805.
Closest airport to Trenton NJ: when TTN wins and when it does not
TTN is the local airport for Trenton-area travelers, but it is not always the best airport. Choose based on airline, destination, schedule, bags, backup options and ground transportation.
Best for: local convenience, Florida leisure flights, low parking cost, shorter terminal walks and Mercer/Bucks/Princeton-area travelers.
Not best for: broad airline choice, international flights, frequent business schedules or trips where you need multiple backup flights.
Best for: American Airlines network, more nonstop destinations, international service and travelers south/west of Trenton.
Watch out: airport traffic, larger terminal walks and higher parking/ground-transport complexity.
Best for: United network, international flights, North Jersey/New York connections and more daily frequency.
Watch out: Turnpike traffic and more stressful pickup/parking conditions than TTN.
Best for: some Pennsylvania/Lehigh Valley travelers who want a smaller airport with more airline variety than TTN on certain routes.
Watch out: it may not be closer for Trenton proper, and route choice still varies by season.
Picking someone up at Trenton-Mercer Airport
TTN’s arrival process is small-airport simple, but pickup timing still matters. The airport tells visitors to wait in the Cell Phone Lot and stay with the vehicle. Passengers can be picked up curbside after baggage claim.
- Do not park at the curb.
- Do not leave a vehicle unattended in the Cell Phone Lot.
- Ask the passenger to text after baggage claim, not just after landing.
- Use paid parking if you need to enter the terminal or wait longer.
Lost and misplaced items at TTN
Use the right contact based on where the item was lost. The airport FAQ is clear that Airport Administration and the Mercer County Sheriff’s Office do not operate a general Lost & Found for these cases.
Contact the nearest airline employee while you are still at the airport.
File the airline’s online lost item report. For Frontier, TTN points travelers to Frontier’s NetTracer lost-item reporting path.
If you believe the item was left at the TSA checkpoint, call 609-569-7708.
Airport code for Trenton NJ FAQs
What is the airport code for Trenton NJ?
What is the airport city code for Trenton NJ?
What airlines fly into Trenton NJ?
Does Southwest fly to Trenton NJ?
Is there an airport in Trenton New Jersey?
What is the closest airport to Trenton NJ?
Is TTN the same as Trenton-Mercer Airport?
How much is parking at Trenton-Mercer Airport?
Can I take a train directly from TTN?
Where do I report a lost item at TTN?
Trenton-Mercer Airport map and official links
Related airport code guides
Use these related Airport-Guides.org resources when comparing airport-code pages, editorial sourcing and airport travel planning.