EUR/IE
Find cheap flights to Trenton, New Jersey in 2025/2026 from €661 This is the cheapest return flight found to Trenton, New Jersey from Ireland on FlightsFinder on December 14th 2025 at 16:53. This offer may no longer be available. Click the offer to check live prices & dates of travel.
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Our Flight Finder compares the cheapest flights to Trenton, New Jersey from the most established flight comparison sites.
Fly to Trenton, New Jersey and visit sites like New Jersey State Museum, Old Barracks Museum, Grounds For Sculpture & New Jersey State House.
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2. Compare the best Trenton, New Jersey deals from top comparison engines
3. Book your Trenton, New Jersey flight at the cheapest price
These economy flights were found on FlightsFinder from Ireland to Trenton, New Jersey in the last few days. Prices subject to availability.
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These economy flights were found on FlightsFinder from Ireland to Trenton, New Jersey in the last few days. Prices subject to availability.
No flights found for this month.
No flights found for this month.
No flights found for this month.
No flights found for this month.
No flights found for this month.
No flights found for this month.
No flights found for this month.
No flights found for this month.
No flights found for this month.
According to our data, March is on average the cheapest time to book flights to Trenton, New Jersey.
You can get flights from €661 return.
According to our data, December is on average the most expensive time to book flights to Trenton, New Jersey.
A return flight could set you back more than €2,097.
Located in the heart of New Jersey, Trenton is a city with a rich history and vibrant culture waiting to be explored. As the capital of the state, Trenton boasts a unique blend of historical sites, modern attractions, and picturesque landscapes. Visitors can delve into the city's past at the Old Barracks Museum, marvel at the stunning architecture of the State House, or enjoy a leisurely stroll along the scenic Delaware River waterfront. With a diverse culinary scene, lively arts community, and welcoming locals, Trenton offers a memorable experience for travelers seeking an authentic taste of New Jersey.
A good price for a flight to Philadelphia is €595 - €727.
Some popular airports near Trenton, New Jersey are Philadelphia International Airport (PHL), Newark Liberty International Airport (EWR), and Trenton-Mercer Airport (TTN).
The flight to Trenton, New Jersey (TTN) is roughly 7 hours 40 minutes and 3,229 miles (5,196 kilometres) from Dublin, Ireland - Dublin International Airport (DUB).
The best way is to compare flights to Trenton, New Jersey from leading comparison sites using our search engine dashboard.
We have currently found no direct flights to Trenton, New Jersey.
Here is the average weather forecast in Trenton, New Jersey by month:
• Jan: 4°C
• Feb: 6°C
• Mar: 11°C
• Apr: 16°C
• May: 22°C
• Jun: 27°C
• Jul: 30°C
• Aug: 29°C
• Sep: 25°C
• Oct: 18°C
• Nov: 13°C
• Dec: 6°C
The main airport in Trenton, New Jersey (Trenton-Mercer Airport) is approximately 6 miles from the city centre.
Typically, flights are cheapest to Trenton, New Jersey 2 months before departure.
Studies show flights to Trenton, New Jersey are typically cheaper on Tuesdays and Wednesdays.
-8.2 °C
Mon, 15 Dec 2025
Average Temperature
4°C
Jan
6°C
Feb
11°C
Mar
16°C
Apr
22°C
May
27°C
Jun
30°C
Jul
29°C
Aug
25°C
Sep
18°C
Oct
13°C
Nov
6°C
Dec
Dublin, Ireland - Dublin International Airport (DUB) to Trenton, New Jersey (TTN)
Distance:
3,229 miles (5,196 kilometres)
Average flight time (direct 7 hours 40 minutes)
Shannon, Ireland - Shannon International Airport (SNN) to Trenton, New Jersey (TTN)
Distance:
3,131 miles (5,040 kilometres)
Average flight time (direct 7 hours 27 minutes)
Knock, Ireland - Ireland West Airport (NOC) to Trenton, New Jersey (TTN)
Distance:
3,120 miles (5,021 kilometres)
Average flight time (direct 7 hours 25 minutes)
Cork, Ireland - Cork International Airport (ORK) to Trenton, New Jersey (TTN)
Distance:
3,162 miles (5,089 kilometres)
Average flight time (direct 7 hours 31 minutes)
Kerry, Ireland - Kerry Airport (KIR) to Trenton, New Jersey (TTN)
Distance:
3,114 miles (5,012 kilometres)
Average flight time (direct 7 hours 25 minutes)
Donegal, Ireland - Donegal Airport (CFN) to Trenton, New Jersey (TTN)
Distance:
3,125 miles (5,029 kilometres)
Average flight time (direct 7 hours 26 minutes)
Waterford, Ireland - Waterford Airport (WAT) to Trenton, New Jersey (TTN)
Distance:
3,215 miles (5,174 kilometres)
Average flight time (direct 7 hours 38 minutes)
From Dublin (DUB), Ireland to Philadelphia, United States (TTN): €661
Depart: 11 Mar 2026 · Return: 15 Mar 2026 Price found 14 Dec 2025, 16:53
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