Cheap Flights from Philadelphia Trenton-Mercer Airport to Aguadilla from $356 Roundtrip

Flight deals from Philadelphia Trenton-Mercer Airport to Aguadilla

Looking for a cheap last-minute deal or the best roundtrip flight from Philadelphia Trenton-Mercer Airport to Aguadilla? If you want to travel next month, roundtrip fares start from $377. Find the lowest prices on one-way and roundtrip tickets right here.

Aguadilla.$356 per passenger.Departing Thu, Aug 6, returning Tue, Aug 11.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Philadelphia Trenton-Mercer on Thu, Aug 6, arriving in Aguadilla.Inbound indirect flight with Frontier Airlines, departing from Aguadilla on Tue, Aug 11, arriving in Philadelphia Trenton-Mercer.Price includes taxes and charges.From $356, select.

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Flying from Philadelphia Trenton-Mercer Airport to Aguadilla

Arm yourself with these facts on the fly.

Cheapest flight found	$356
Cheapest month to fly	August

How to find cheap flights from Philadelphia Trenton-Mercer Airport to Aguadilla

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Philadelphia Trenton-Mercer Airport to Aguadilla. Other savvy travelers recently found round-trip flights from $356 and one-way tickets from $148. Ready to join them? Here are a few tips to help you do it the smart way.

Fly in August

The cheapest time to fly from Philadelphia Trenton-Mercer Airport to Aguadilla is currently August.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Philadelphia Trenton-Mercer Airport to anywhere you choose in Aguadilla.

Watch as flight prices go up and down

With Price Alerts, we'll let you know when flight prices from Philadelphia Trenton-Mercer Airport to your chosen airport in Aguadilla go up or down so you can book when the time is just right.

Relax – these are fee-free plane tickets

With us, there are no added fees – the Aguadilla Airport to Aguadilla flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

What is the average price of a flight from Philadelphia Trenton-Mercer Airport to Aguadilla?

We looked at all of the upcoming round-trip flights from Philadelphia Trenton-Mercer Airport to Aguadilla we could find over the next 12 months. It looks like $356 is the best price. This is good, compared to the average Aguadilla ticket price of $356.

What is the cheapest month to fly from Philadelphia Trenton-Mercer Airport to Aguadilla?

The cheapest month to fly from Philadelphia Trenton-Mercer Airport to Aguadilla is currently August.

On which upcoming date is it cheapest to fly from Philadelphia Trenton-Mercer Airport to Aguadilla?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Philadelphia Trenton-Mercer Airport to Aguadilla on Thursday, August 6, 2026.

If I'm flying from Philadelphia Trenton-Mercer Airport, where in Aguadilla is cheapest to fly to?

If you're flying from Philadelphia Trenton-Mercer, the cheapest city in Aguadilla to fly into is Aguadilla. The cheapest airport serving Aguadilla at the moment is Aguadilla.