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$148+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
TTN — SAT
Aug 30 — Sep 61
Sun 8/30
Sun 9/6
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 July 31, 2026.

This Expedia deal was found by Cheapflights users on 7/29. 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 9/36:30 am
TTN
-
SAT
1 stop27h 26m
Frontier
Sat 9/59:51 am
SAT
-
TTN
1 stop12h 49m
Frontier
Deal found 7/29$250
This Super.com deal was found by Cheapflights users on 7/30. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:39 pm
TTN
-
SAT
1 stop14h 31m
Frontier
Mon 9/2810:05 am
SAT
-
TTN
1 stop7h 37m
Frontier
Deal found 7/30$290
This Expedia deal was found by Cheapflights users on 7/29. 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.
Sun 9/612:49 pm
TTN
-
SAT
1 stop21h 07m
Frontier
Wed 9/910:03 am
SAT
-
TTN
1 stop7h 39m
Frontier
Deal found 7/29$319
This Expedia deal was found by Cheapflights users on 7/28. 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 8/276:30 am
TTN
-
SAT
1 stop27h 26m
Frontier
Mon 8/319:51 am
SAT
-
TTN
1 stop12h 49m
Frontier
Deal found 7/28$334
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 9/107:39 pm
TTN
-
SAT
1 stop14h 31m
Frontier
Mon 9/1410:05 am
SAT
-
TTN
1 stop7h 37m
Frontier
Deal found 7/27$341
This Super.com deal was found by Cheapflights users on 7/28. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:30 am
TTN
-
SAT
1 stop27h 26m
Frontier
Mon 8/319:51 am
SAT
-
TTN
1 stop25h 13m
Frontier
Deal found 7/28$351
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 9/312:49 pm
TTN
-
SAT
1 stop21h 07m
Multiple Airlines
Sat 9/55:38 pm
SAT
-
TTN
2 stops21h 54m
Multiple Airlines
Deal found 7/29$360
This Expedia deal was found by Cheapflights users on 7/30. 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 8/206:30 am
TTN
-
SAT
1 stop27h 26m
Frontier
Sat 8/229:51 am
SAT
-
TTN
1 stop25h 13m
Frontier
Deal found 7/30$378
This Expedia deal was found by Cheapflights users on 7/30. 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 8/66:05 am
TTN
-
SAT
1 stop27h 51m
Frontier
Sat 8/84:26 pm
SAT
-
TTN
1 stop17h 02m
Frontier
Deal found 7/30$383
This Expedia deal was found by Cheapflights users on 7/29. 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.
Sun 8/26:05 am
TTN
-
SAT
1 stop27h 51m
Frontier
Fri 8/79:51 am
SAT
-
TTN
1 stop12h 49m
Frontier
Deal found 7/29$390
This Super.com deal was found by Cheapflights users on 7/30. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/26:05 am
TTN
-
SAT
1 stop27h 51m
Frontier
Sat 8/154:26 pm
SAT
-
TTN
1 stop17h 02m
Frontier
Deal found 7/30$394

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 July 31, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$250
(Expedia)

One-way from

$148
(Expedia)

Popular in

June

Cheapest in

September

Average price

$475
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. 14% potential increase in price ($81 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 31, 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

Thu 9/3

6:30 am-8:56 am

1 stop27h 26m

San Antonio

Sat 9/5

9:51 am-11:40 pm

1 stop12h 49m

$250
Quickest round-trip

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Thu 9/24

7:39 pm-9:10 am

1 stop14h 31m

San Antonio

Mon 9/28

10:05 am-6:42 pm

1 stop7h 37m

$290

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Thu 8/27

6:30 am-8:56 am

1 stop27h 26m

San Antonio

Mon 8/31

9:51 am-11:40 pm

1 stop12h 49m

$334

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Thu 9/10

7:39 pm-9:10 am

1 stop14h 31m

San Antonio

Mon 9/14

10:05 am-6:42 pm

1 stop7h 37m

$341

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Thu 9/3

12:49 pm-8:56 am

1 stop21h 07m

San Antonio

Sat 9/5

5:38 pm-4:32 pm

2 stops21h 54m

$360

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Fri 8/21

12:49 pm-8:56 am

1 stop21h 07m

San Antonio

Mon 8/24

9:51 am-12:04 pm

1 stop25h 13m

$378

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Thu 8/13

6:05 am-8:56 am

1 stop27h 51m

San Antonio

Mon 8/17

9:51 am-11:40 pm

1 stop12h 49m

$390

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Wed 12/2

11:23 am-8:12 pm

1 stop9h 49m

San Antonio

Fri 12/11

9:07 pm-10:28 am

1 stop12h 21m

$859
Cheapest one-way

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Thu 8/20

6:30 am-8:56 am

1 stop27h 26m

$179

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Sun 8/9

6:05 am-8:56 am

1 stop27h 51m

$198

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

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 July.
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.

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 27h 26m. 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.

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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