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$101+ Cheap flights from Trenton, NJ to San Antonio (TTN - SAT)

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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
TTN — SAT
Apr 19 — Apr 261
Sun 4/19
Sun 4/26
1 adult, Economy
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Cheap flight deals from Trenton to San Antonio

Cheapest flights from Trenton to San Antonio
Explore the most affordable flight options available from Trenton to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 20, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1412:00 pm
TTN
-
SAT
1 stop26h 17m
Multiple Airlines
Mon 4/201:51 pm
SAT
-
TTN
1 stop9h 08m
Multiple Airlines
Deal found 3/18$288
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1412:00 pm
TTN
-
SAT
2 stops28h 53m
Frontier
Mon 4/201:51 pm
SAT
-
TTN
1 stop9h 08m
Frontier
Deal found 3/18$304
This Kiwi.com deal was found by Cheapflights users on 3/20. 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.
Thu 4/97:15 pm
TTN
-
SAT
1 stop15h 12m
Multiple Airlines
Mon 4/131:22 pm
SAT
-
TTN
1 stop9h 17m
Multiple Airlines
Deal found 3/20$339
This Expedia deal was found by Cheapflights users on 3/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:45 pm
TTN
-
SAT
1 stop15h 39m
Frontier
Mon 4/201:51 pm
SAT
-
TTN
1 stop9h 08m
Frontier
Deal found 3/18$365
This Expedia deal was found by Cheapflights users on 3/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/206:00 am
TTN
-
SAT
1 stop8h 55m
Frontier
Sat 3/212:40 pm
SAT
-
TTN
1 stop8h 19m
Frontier
Deal found 3/16$410
This Kiwi.com deal was found by Cheapflights users on 3/19. 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.
Sat 6/208:33 pm
TTN
-
SAT
1 stop16h 17m
Multiple Airlines
Wed 6/246:00 am
SAT
-
TTN
1 stop28h 00m
Multiple Airlines
Deal found 3/19$488
This Kiwi.com deal was found by Cheapflights users on 3/19. 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.
Fri 6/198:33 pm
TTN
-
SAT
1 stop16h 17m
Multiple Airlines
Wed 6/246:00 am
SAT
-
TTN
1 stop28h 00m
Multiple Airlines
Deal found 3/19$509
This Frontier deal was found by Cheapflights users on 3/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/276:00 am
TTN
-
SAT
1 stop8h 23m
Frontier
Tue 3/312:13 pm
SAT
-
TTN
1 stop8h 46m
Frontier
Deal found 3/17$544
This Kiwi.com deal was found by Cheapflights users on 3/20. 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.
Sat 4/48:38 pm
TTN
-
SAT
1 stop16h 49m
Multiple Airlines
Wed 4/81:22 pm
SAT
-
TTN
2 stops28h 03m
Multiple Airlines
Deal found 3/20$552

Find flight deals from Trenton to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Trenton (TTN) to San Antonio (SAT). 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 March 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$288
(Kiwi.com)

One-way from

$101
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$481
Provider with most accurate pricing for Trenton-Mercer-San Antonio flight deals.
Search Deals
Provider most trusted by Cheapflights users for Trenton-Mercer-San Antonio flights.
Search Deals
From Trenton-Mercer to San Antonio
Search Deals
One-way flight from Trenton-Mercer to San Antonio
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Trenton to San Antonio 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 March 20, 2026.
Use the filters below to find and compare flights from Trenton to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Tue 4/14

12:00 pm-1:17 pm

1 stop26h 17m

San Antonio

Mon 4/20

1:51 pm-11:59 pm

1 stop9h 08m

$288

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Tue 4/14

12:00 pm-3:53 pm

2 stops28h 53m

San Antonio

Mon 4/20

1:51 pm-11:59 pm

1 stop9h 08m

$304
Quickest round-trip

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Thu 4/16

6:45 pm-9:24 am

1 stop15h 39m

San Antonio

Mon 4/20

1:51 pm-11:59 pm

1 stop9h 08m

$365

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Sat 6/20

8:33 pm-11:50 am

1 stop16h 17m

San Antonio

Wed 6/24

6:00 am-11:00 am

1 stop28h 00m

$488

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Fri 6/19

8:33 pm-11:50 am

1 stop16h 17m

San Antonio

Wed 6/24

6:00 am-11:00 am

1 stop28h 00m

$509

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Sat 6/20

8:33 pm-11:50 am

1 stop16h 17m

San Antonio

Fri 6/26

12:45 pm-9:47 am

1 stop20h 02m

$629

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Fri 4/3

3:18 pm-12:27 pm

1 stop22h 09m

San Antonio

Tue 4/7

7:45 am-12:38 pm

2 stops27h 53m

$631

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Fri 6/19

8:33 pm-11:50 am

1 stop16h 17m

San Antonio

Fri 6/26

12:45 pm-9:47 am

1 stop20h 02m

$650
Cheapest one-way

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Tue 4/7

4:34 pm-9:27 am

1 stop17h 53m

$101
Quickest one-way

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Fri 4/10

6:00 am-12:27 pm

1 stop7h 27m

$230

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/17

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Compare providers for flights from Trenton to San Antonio

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Trenton to San Antonio in March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Trenton, New Jersey-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Trenton, New Jersey-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Trenton, New Jersey-San Antonio flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Trenton, New Jersey-San Antonio flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Trenton, New Jersey-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Trenton to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio 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 Antonio

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

Currently, December is the cheapest month in which you can book a flight from Trenton, New Jersey to San Antonio (average of $56). Flying from Trenton, New Jersey to San Antonio in July is currently the most expensive (average of $137). 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 Antonio. 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 Trenton, New Jersey to San Antonio?

    Frontier can get you from Trenton, New Jersey to San Antonio in just under 28h 53m. Your travel time can differ by up to . The distance from Trenton, New Jersey to San Antonio is about 1524 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Trenton to San Antonio 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 Antonio?

    Currently, December is the cheapest month in which you can book a flight from Trenton, New Jersey to San Antonio (average of $56). Flying from Trenton, New Jersey to San Antonio in July is currently the most expensive (average of $137). 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

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville

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