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San Francisco Bay Area

$126+ Cheap flights from Trenton, NJ (TTN) to San Francisco Bay Area

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
TTN — SFO
oct. 19 — oct. 261
dom. 10/19
dom. 10/26
1 adult, Economy
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Cheap flight deals from Trenton to San Francisco Bay Area

Keep the following information in mind while searching for Trenton to San Francisco Bay Area flight deals. Data was last updated septiembre 19, 2025.

Round-trip from

$167
(CheapOair)

One-way from

$126
(Frontier)

Popular in

December

Cheapest in

February

Average price

$397
From Trenton-Mercer to San Francisco Bay Area
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One-way flight from Trenton-Mercer to San Francisco Bay Area
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Highest demand for flights based on searches. 7% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Trenton to San Francisco Bay Area

Cheapest flights from Trenton to San Francisco Bay Area
Explore the most affordable flight options available from Trenton to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 19, 2025.

This CheapOair deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/210:30 amTTN - SFO
1 stop13h 51mFrontier
dom. 10/511:00 pmSFO - TTN
1 stop9h 34mFrontier
Deal found 9/17$167
This Frontier deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/312:30 pmTTN - SFO
1 stop11h 51mFrontier
dom. 10/511:00 pmSFO - TTN
1 stop9h 34mFrontier
Deal found 9/18$241
This Frontier deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/2810:30 amTTN - SFO
1 stop13h 51mFrontier
dom. 10/511:00 pmSFO - TTN
1 stop9h 34mFrontier
Deal found 9/18$305
This Frontier deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/2912:30 pmTTN - SFO
1 stop11h 51mFrontier
dom. 10/511:00 pmSFO - TTN
1 stop9h 34mFrontier
Deal found 9/18$331
This CheapOair deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/2510:30 amTTN - SFO
1 stop13h 51mFrontier
dom. 9/2811:00 pmSFO - TTN
1 stop9h 34mFrontier
Deal found 9/17$418
This Kiwi.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/210:30 amTTN - SFO
1 stop13h 51mFrontier
lun. 10/611:00 pmSFO - TTN
2 stops42h 50mFrontier
Deal found 9/17$461

Cheapflights Fare Finder

 
Customize your flight search to find flights from Trenton to San Francisco Bay Area that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 19, 2025.
Use the filters below to find and compare flights from Trenton to San Francisco Bay Area that are best for you.

Fly from

Trenton

Fly to

San Francisco Bay Area

Route

Depart

Return

Price

TrentonSan Francisco

TTN - SFO

TTNSFO

Trenton-Mercer

jue. 10/2

10:30 am-9:21 pm

1 stop13h 51m

San Francisco

dom. 10/5

11:00 pm-11:34 am

1 stop9h 34m

$167

TrentonSan Francisco

TTN - SFO

TTNSFO

Trenton-Mercer

vie. 10/3

12:30 pm-9:21 pm

1 stop11h 51m

San Francisco

dom. 10/5

11:00 pm-11:34 am

1 stop9h 34m

$167

TrentonSan Francisco

TTN - SFO

TTNSFO

Trenton-Mercer

dom. 9/28

10:30 am-9:21 pm

1 stop13h 51m

San Francisco

dom. 10/5

11:00 pm-11:34 am

1 stop9h 34m

$305

TrentonSan Francisco

TTN - SFO

TTNSFO

Trenton-Mercer

lun. 9/29

12:30 pm-9:21 pm

1 stop11h 51m

San Francisco

dom. 10/5

11:00 pm-11:34 am

1 stop9h 34m

$331

TrentonSan Francisco

TTN - SFO

TTNSFO

Trenton-Mercer

jue. 10/2

10:30 am-9:21 pm

1 stop13h 51m

$127

TrentonSan Francisco

TTN - SFO

TTNSFO

Trenton-Mercer

vie. 9/26

12:30 pm-9:21 pm

1 stop11h 51m

$127

TrentonSan Francisco

TTN - SFO

TTNSFO

Trenton-Mercer

dom. 12/7

2:02 pm-10:22 pm

1 stop11h 20m

$167

TrentonSan Francisco

TTN - SFO

TTNSFO

Trenton-Mercer

dom. 9/28

10:30 am-9:21 pm

1 stop13h 51m

$173

TrentonSan Francisco

TTN - SFO

TTNSFO

Trenton-Mercer

lun. 10/6

12:30 pm-9:21 pm

1 stop11h 51m

$173

TrentonSan Francisco

TTN - SFO

TTNSFO

Trenton-Mercer

jue. 9/25

10:30 am-9:21 pm

1 stop13h 51m

$216

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Best time to book a flight from Trenton to San Francisco Bay Area

Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area from Trenton with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Trenton to San Francisco Bay Area

What is the cheapest month to book a flight from Trenton, New Jersey to San Francisco Bay Area?

Currently, January is the cheapest month in which you can book a flight from Trenton, New Jersey to San Francisco Bay Area (average of $276). Flying from Trenton, New Jersey to San Francisco Bay Area in June is currently the most expensive (average of $357). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Trenton to San Francisco Bay Area. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Trenton to San Francisco Bay Area?

    Trenton-Mercer (TTN), located 4.8 mi from the city center, is the airport you fly out of when you book flights from Trenton to San Francisco Bay Area.

  • How long is the flight from Trenton, New Jersey to San Francisco Bay Area?

    Departing from Trenton, New Jersey to San Francisco Bay Area will take you 13h 51m. The distance between Trenton, New Jersey and San Francisco Bay Area is about 2530 mi.

  • What are the most popular routes from Trenton, New Jersey to San Francisco Bay Area?

    Most travelers choose Trenton-Mercer - San Francisco, Trenton-Mercer - Oakland or Trenton-Mercer - San Jose when deciding on the best route from Trenton, New Jersey to San Francisco Bay Area.

  • Can I find deals for flights from Trenton to San Francisco Bay Area that include hotel bookings?

    Yes. In addition to deals on Trenton to San Francisco Bay Area flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Trenton to San Francisco Bay Area?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Trenton to San Francisco Bay Area.

  • Can I find deals for business class flights from Trenton to San Francisco Bay Area?

    Yes. Cheapflights offers flight deals from Trenton to San Francisco Bay Area by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Trenton, New Jersey to San Francisco Bay Area?

    Currently, January is the cheapest month in which you can book a flight from Trenton, New Jersey to San Francisco Bay Area (average of $276). Flying from Trenton, New Jersey to San Francisco Bay Area in June is currently the most expensive (average of $357). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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