$188 Find Cheap Flights from Trenton to San Francisco - Compare and Save

In the last 5 days, the lowest price for a flight from Trenton to San Francisco was $188 for a one-way ticket and $1,459 for a round-trip.

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

Trenton and San Francisco are both served by 1 main airport. You will leave Trenton from Trenton-Mercer and will be arriving at San Francisco.

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

oneworld is the only airline alliance operating flights between Trenton and San Francisco.

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 Francisco.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco 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 Francisco with an airline and back to Trenton with another airline. Booking your flights between Trenton and SFO 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 Francisco from Trenton up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.