What’s the cost of a flight from Belfast to Trenton?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Belfast and Trenton Mercer.

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Which airports near Belfast or Trenton Mercer offer flights?

In many cases, using a nearby airport can improve your chances of finding direct flights or better rates.

• Airports in Belfast: Besides Belfast - International, you can also try City.
• Airports in Trenton Mercer: Trenton Mercer is the only airport in use at the moment.

Secondary airports can offer faster travel thanks to shorter lines and quicker boarding times than major ones.

Filter and compare flights from Belfast to Trenton

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Advanced filters help you skip long layovers or inconvenient times. The “airlines” filter is handy if you want to collect miles or prefer a certain onboard experience.