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Trenton

$147+ Cheap flights from San Francisco to Trenton, NJ (SFO - TTN)

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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — TTN
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from San Francisco to Trenton

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Trenton (TTN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$241
(Frontier)

One-way from

$147
(CheapOair)

Popular in

December

Cheapest in

February

Average price

$384
From San Francisco to Trenton-Mercer
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One-way flight from San Francisco to Trenton-Mercer
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Highest demand for flights based on searches. 7% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 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 San Francisco to Trenton

Cheapest flights from San Francisco to Trenton
Explore the most affordable flight options available from San Francisco to Trenton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Frontier deal was found by Cheapflights users on 9/11. 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.
Thu 9/2511:00 pmSFO - TTN
1 stop9h 34mFrontier
Thu 10/210:30 amTTN - SFO
1 stop13h 51mFrontier
Deal found 9/11$241
This Frontier deal was found by Cheapflights users on 9/10. 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.
Sun 9/2111:00 pmSFO - TTN
1 stop9h 34mFrontier
Thu 9/2510:30 amTTN - SFO
1 stop13h 51mFrontier
Deal found 9/10$247
This Frontier deal was found by Cheapflights users on 9/10. 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.
Sun 9/2111:00 pmSFO - TTN
1 stop9h 34mFrontier
Thu 10/210:30 amTTN - SFO
1 stop13h 51mFrontier
Deal found 9/10$254
This Frontier deal was found by Cheapflights users on 9/11. 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.
Thu 9/2511:00 pmSFO - TTN
1 stop9h 34mFrontier
Mon 9/2912:30 pmTTN - SFO
1 stop11h 51mFrontier
Deal found 9/11$286
This CheapOair deal was found by Cheapflights users on 9/11. 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.
Sat 9/2710:49 amSFO - TTN
2 stops19h 43mFrontier
Thu 10/210:30 amTTN - SFO
1 stop13h 51mFrontier
Deal found 9/11$292
This Frontier deal was found by Cheapflights users on 9/11. 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.
Thu 9/2511:00 pmSFO - TTN
1 stop9h 34mFrontier
Sun 9/2810:30 amTTN - SFO
1 stop13h 51mFrontier
Deal found 9/11$301
This Frontier deal was found by Cheapflights users on 9/11. 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.
Thu 10/27:07 pmSFO - TTN
2 stops13h 27mFrontier
Mon 10/612:30 pmTTN - SFO
1 stop11h 51mFrontier
Deal found 9/11$302
This CheapOair deal was found by Cheapflights users on 9/11. 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.
Wed 10/17:10 amSFO - TTN
2 stops23h 22mFrontier
Sun 10/510:30 amTTN - SFO
2 stops29h 47mFrontier
Deal found 9/11$305
This Frontier deal was found by Cheapflights users on 9/10. 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.
Sun 9/2111:00 pmSFO - TTN
1 stop9h 34mFrontier
Mon 10/612:30 pmTTN - SFO
1 stop11h 51mFrontier
Deal found 9/10$307
This CheapOair deal was found by Cheapflights users on 9/11. 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.
Wed 9/247:10 amSFO - TTN
2 stops23h 22mFrontier
Mon 9/2912:30 pmTTN - SFO
1 stop11h 51mFrontier
Deal found 9/11$309

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Trenton 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 September 11, 2025.
Use the filters below to find and compare flights from San Francisco to Trenton that are best for you.

Fly from

San Francisco

Fly to

Trenton

Route

Depart

Return

Price

San FranciscoTrenton

SFO - TTN

SFOTTN

San Francisco

Thu 9/25

11:00 pm-11:34 am

1 stop9h 34m

Trenton-Mercer

Fri 10/3

12:30 pm-9:21 pm

1 stop11h 51m

$241

San FranciscoTrenton

SFO - TTN

SFOTTN

San Francisco

Thu 9/25

11:00 pm-11:34 am

1 stop9h 34m

Trenton-Mercer

Thu 10/2

10:30 am-9:21 pm

1 stop13h 51m

$241

San FranciscoTrenton

SFO - TTN

SFOTTN

San Francisco

Sun 9/21

11:00 pm-11:34 am

1 stop9h 34m

Trenton-Mercer

Thu 9/25

10:30 am-9:21 pm

1 stop13h 51m

$247

San FranciscoTrenton

SFO - TTN

SFOTTN

San Francisco

Sun 9/21

11:00 pm-11:34 am

1 stop9h 34m

Trenton-Mercer

Thu 10/2

10:30 am-9:21 pm

1 stop13h 51m

$254

San FranciscoTrenton

SFO - TTN

SFOTTN

San Francisco

Sun 9/21

11:00 pm-11:34 am

1 stop9h 34m

Trenton-Mercer

Fri 10/3

12:30 pm-9:21 pm

1 stop11h 51m

$254

San FranciscoTrenton

SFO - TTN

SFOTTN

San Francisco

Thu 9/25

11:00 pm-11:34 am

1 stop9h 34m

Trenton-Mercer

Mon 10/6

12:30 pm-9:21 pm

1 stop11h 51m

$286

San FranciscoTrenton

SFO - TTN

SFOTTN

San Francisco

Thu 10/2

7:07 pm-11:34 am

2 stops13h 27m

Trenton-Mercer

Mon 10/6

12:30 pm-9:21 pm

1 stop11h 51m

$302

San FranciscoTrenton

SFO - TTN

SFOTTN

San Francisco

Sun 9/21

11:00 pm-11:34 am

1 stop9h 34m

Trenton-Mercer

Mon 10/6

12:30 pm-9:21 pm

1 stop11h 51m

$307

San FranciscoTrenton

SFO - TTN

SFOTTN

San Francisco

Sun 10/5

11:00 pm-11:34 am

1 stop9h 34m

$147

San FranciscoTrenton

SFO - TTN

SFOTTN

San Francisco

Thu 10/2

11:00 pm-11:34 am

1 stop9h 34m

$167

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 18 results
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Best time to book a flight from San Francisco to Trenton

Have a flexible travel schedule? Discover the best time to fly to Trenton from San Francisco 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 San Francisco to Trenton

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

Currently, January is the cheapest month in which you can book a flight from San Francisco to Trenton, New Jersey (average of $73). Flying from San Francisco to Trenton, New Jersey in June is currently the most expensive (average of $153). 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 San Francisco to Trenton. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    There are many flights that can get you from San Francisco to Trenton, New Jersey in 9h 34m. Fly via Frontier to get the fastest option. The distance between San Francisco and Trenton, New Jersey is about 2530 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Francisco to Trenton 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 San Francisco to Trenton, New Jersey?

    Currently, January is the cheapest month in which you can book a flight from San Francisco to Trenton, New Jersey (average of $73). Flying from San Francisco to Trenton, New Jersey in June is currently the most expensive (average of $153). 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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