What is the cheapest airline that flies from Trenton-Mercer to San Francisco?

Frontier is the most popular carrier operating from Trenton-Mercer to San Francisco

What airlines fly to San Francisco?

United Airlines, American Airlines and Alaska Airlines are the top three most popular airlines that fly to San Francisco from Trenton, New Jersey according to our data. United Airlines is the first choice among our users, with 35% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 10 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Trenton-Mercer Airport to San Francisco Airport?

Prices for flights from Trenton-Mercer Airport to San Francisco Airport are refreshed on a daily basis.

How old do you have to be to fly from Trenton-Mercer Airport to San Francisco Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Trenton-Mercer Airport to San Francisco Airport.

What documentation or ID do you need to fly to San Francisco Airport?

The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$165 Cheap Flights from Trenton to San Francisco in 2025/26

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Find the cheapest flights from Trenton, New Jersey to San Francisco

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Use the filters below to find and compare flights from Trenton, New Jersey to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TrentonSan Francisco

TTN - SFO

TTNSFO

Trenton-Mercer

Sat 12/6

6:10 am-9:50 pm

2 stops18h 40m

$165

TrentonSan Francisco

TTN - SFO

TTNSFO

Trenton-Mercer

Wed 1/7

7:30 am-12:25 am

2 stops43h 55m

$242

TrentonSan Francisco

TTN - SFO

TTNSFO

Trenton-Mercer

Sat 12/6

5:58 pm-12:02 pm

3 stops45h 04m

$247

TrentonSan Francisco

TTN - SFO

TTNSFO

Trenton-Mercer

Wed 1/7

7:30 am-10:03 pm

3 stops41h 33m

$248

TrentonSan Francisco

TTN - SFO

TTNSFO

Trenton-Mercer

Fri 12/5

6:10 am-4:51 pm

2 stops37h 41m

$464

TrentonSan Francisco

TTN - SFO

TTNSFO

Trenton-Mercer

Sat 11/22

6:44 pm-10:43 am

2 stops42h 59m

$506

TrentonSan Francisco

TTN - SFO

TTNSFO

Trenton-Mercer

Fri 12/5

6:10 am-9:50 pm

3 stops42h 40m

$520

TrentonSan Francisco

TTN - SFO

TTNSFO

Trenton-Mercer

Sat 11/22

6:44 pm-7:11 am

3 stops39h 27m

$534

TrentonSan Francisco

TTN - SFO

TTNSFO

Trenton-Mercer

Thu 12/4

5:58 pm-1:18 pm

2 stops22h 20m

$542

TrentonSan Francisco

TTN - SFO

TTNSFO

Trenton-Mercer

Mon 12/29

9:21 pm-8:30 pm

2 stops50h 09m

$558

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Trenton, New Jersey to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Trenton, New Jersey to San Francisco is on a Thursday when prices can be found for as low as $415. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $587.

What is the cheapest time of day to depart on your flight to San Francisco?

Our data shows that the cheapest Trenton, New Jersey to San Francisco flights are usually those with departure times in the evening. Our users have found flights to San Francisco in the evening for as low as $392. Flights in the afternoon are often more expensive with an average ticket price of $509.

When to book flights from Trenton, New Jersey to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Trenton, New Jersey to San Francisco according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Trenton, New Jersey to San Francisco (TTN to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Trenton, New Jersey to San Francisco

Direct flights	None

There are no direct flights from Trenton, New Jersey to San Francisco. There are no popular flight routes from Trenton, New Jersey to San Francisco.

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How far is Trenton-Mercer to San Francisco by plane?
There are 2531.5 mi between Trenton-Mercer and San Francisco.
When did momondo last update prices for flights from Trenton-Mercer Airport to San Francisco Airport?
Prices for flights from Trenton-Mercer Airport to San Francisco Airport are refreshed on a daily basis.
How old do you have to be to fly from Trenton-Mercer Airport to San Francisco Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Trenton-Mercer Airport to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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Why use momondo?

Why should I use momondo to find a flight deal from Trenton to San Francisco?

Finding the right flight to San Francisco from Trenton is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Francisco quick and easy, saving you time and money.

Can I find flights from Trenton to San Francisco with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Francisco from Trenton with this policy.

How can momondo help me find flights from Trenton to San Francisco?

Once you have performed a search for Trenton to San Francisco flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Trenton to San Francisco right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Trenton to San Francisco now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Francisco and let you know when they change.