Cheap Flights from Trenton (TTN) to San Francisco (SFO)

Popular airlines from Trenton–Mercer Airport (TTN) to San Francisco International Airport (SFO)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 25% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards

Frequently asked questions

How much is a flight from Mercer Airport (TTN) to SFO?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip flight from Mercer Airport (TTN) to San Francisco Airport was . Cheap fares don't hang around forever, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Trenton–Mercer Airport to San Francisco Intl. Airport (SFO)?
We understand that things come up unexpectedly, so we've made it as hassle-free as possible for you to cancel your trip online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from TTN to SFO that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Mercer Airport (TTN) to San Francisco Intl. Airport (SFO) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from TTN to SFO?
With around 4,100 kilometres separating Trenton–Mercer Airport and San Francisco Intl. Airport (SFO), your flight will be a long one. Pack wisely and make your trip comfortable. Simple things like warm clothes and some noise-cancelling headphones can make a big difference.
Which airlines fly direct from TTN to San Francisco Intl. Airport (SFO)?
Direct flights aren't available, so you'll have to make at least one stop between Mercer Airport (TTN) and San Francisco Intl. Airport (SFO). Make the most of the layover time to stretch your legs and enjoy some personal space.
Are Mercer Airport (TTN) to San Francisco Intl. Airport (SFO) flight tickets cheaper when they're purchased at the last minute?
Flight prices always go up and down, so there are no guarantees. While last-minute flight deals between Trenton–Mercer Airport and San Francisco Airport are of course possible, it also makes sense to keep an eye on prices well before you fly. In fact, some airlines publicize their prices up to a year prior to the departure date. Expedia is continuously updating the best airfare bargains around, so keep checking back and be ready to grab your seat when fare prices drop.

Travel information

Travel information

Origin airport
Mercer
Destination airport
San Francisco Intl.
Distance
4051 km

Book with confidence

Book with confidence

Explore a world of travel with Expedia

Explore a world of travel with Expedia

Trenton Airports

Newark Liberty Intl. Airport

Philadelphia

*Available to Expedia members.