$173 Find Cheap Flights from Trenton to San Antonio - Compare and Save

In the last 5 days, the lowest price for a flight from Trenton to San Antonio was $173 for a one-way ticket and $321 for a round-trip.

No, a passport isn't needed to fly from Trenton to San Antonio. However, local authorities might ask for an official ID.

On your way to San Antonio, you’ll fly out from Trenton-Mercer. You’ll be landing at San Antonio.

We unfortunately don’t have that data for this specific route.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Trenton to San Antonio.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Antonio from Trenton is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Antonio with an airline and back to Trenton with another airline. Booking your flights between Trenton and SAT can sometimes prove cheaper using this method.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Antonio from Trenton up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.