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Cheap flights from Trenton, New Jersey to San Antonio from $227

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Trenton, New Jersey to San Antonio departing on 6/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:33 pm - 3:37 pm
TTN
-
SAT
20h 04m
1 stop
Frontier Logo
4:22 pm - 8:34 am
SAT
-
TTN
15h 12m
1 stop
$303Frontier
Thu, Jun 11 - Sat, Jun 13
Frontier Logo
8:33 pm - 3:27 pm
TTN
-
SAT
19h 54m
1 stop
Frontier Logo
4:26 pm - 8:38 am
SAT
-
TTN
15h 12m
1 stop
$344Frontier
Fri, Jul 3 - Sat, Jul 11
Frontier Logo
8:33 pm - 3:37 pm
TTN
-
SAT
20h 04m
1 stop
Frontier Logo
4:26 pm - 9:58 am
SAT
-
TTN
16h 32m
1 stop
$358Frontier
Thu, Jun 18 - Mon, Jul 13
Frontier Logo
8:33 pm - 3:37 pm
TTN
-
SAT
20h 04m
1 stop
Frontier Logo
4:26 pm - 9:58 am
SAT
-
TTN
16h 32m
1 stop
$379Frontier
Fri, Jun 19 - Mon, Jul 13
Frontier Logo
8:33 pm - 3:41 pm
TTN
-
SAT
20h 08m
1 stop
Frontier Logo
4:26 pm - 9:58 am
SAT
-
TTN
16h 32m
1 stop
$382Frontier
Fri, Jul 17 - Mon, Jul 27
Frontier Logo
8:33 pm - 3:41 pm
TTN
-
SAT
20h 08m
1 stop
Frontier Logo
4:26 pm - 9:58 am
SAT
-
TTN
16h 32m
1 stop
$398Frontier
Fri, Jul 10 - Mon, Jul 13
Frontier Logo
8:33 pm - 3:37 pm
TTN
-
SAT
20h 04m
1 stop
Frontier Logo
4:26 pm - 9:58 am
SAT
-
TTN
16h 32m
1 stop
$399Frontier
Fri, Jun 19 - Mon, Jul 13
Frontier Logo
8:33 pm - 3:37 pm
TTN
-
SAT
20h 04m
1 stop
Frontier Logo
4:22 pm - 9:57 am
SAT
-
TTN
16h 35m
1 stop
$412Frontier
Thu, Jun 18 - Mon, Jun 22
Multiple Airlines Logo
11:50 am - 10:50 am
TTN
-
SAT
24h 00m
2 stops
Multiple Airlines Logo
4:22 pm - 9:57 am
SAT
-
TTN
16h 35m
1 stop
$471Multiple Airlines
Thu, Jun 18 - Mon, Jun 22
Frontier Logo
8:33 pm - 3:37 pm
TTN
-
SAT
20h 04m
1 stop
Frontier Logo
4:22 pm - 9:57 am
SAT
-
TTN
16h 35m
1 stop
$490Frontier
Fri, Jun 26 - Mon, Jun 29

Frontier flights from Trenton, New Jersey to San Antonio

Our best Frontier deals on Trenton, New Jersey to San Antonio flight tickets
Frontier
Jun 11
TTN8:33 pmTrenton-Mercer
20h 04m
1 stop
SAT3:37 pmSan Antonio
Jun 13
SAT4:22 pmSan Antonio
15h 12m
1 stop
TTN8:34 amTrenton-Mercer
$303
Frontier
Jul 3
TTN8:33 pmTrenton-Mercer
19h 54m
1 stop
SAT3:27 pmSan Antonio
Jul 11
SAT4:26 pmSan Antonio
15h 12m
1 stop
TTN8:38 amTrenton-Mercer
$344
Frontier
Jun 18
TTN8:33 pmTrenton-Mercer
20h 04m
1 stop
SAT3:37 pmSan Antonio
Jul 13
SAT4:26 pmSan Antonio
16h 32m
1 stop
TTN9:58 amTrenton-Mercer
$358

momondo Fare Finder

 
Customize your flight search to find flights from Trenton, New Jersey 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, momondo users made 832,500 searches. Data last updated May 20, 2026.
Use the filters below to find and compare flights from Trenton, New Jersey 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 6/11

8:33 pm-3:37 pm

1 stop20h 04m

San Antonio

Sat 6/13

4:22 pm-8:34 am

1 stop15h 12m

$303
Quickest round-trip

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Fri 7/3

8:33 pm-3:27 pm

1 stop19h 54m

San Antonio

Sat 7/11

4:26 pm-8:38 am

1 stop15h 12m

$344

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Thu 6/18

8:33 pm-3:37 pm

1 stop20h 04m

San Antonio

Mon 7/13

4:26 pm-9:58 am

1 stop16h 32m

$358

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Fri 6/19

8:33 pm-3:37 pm

1 stop20h 04m

San Antonio

Mon 7/13

4:26 pm-9:58 am

1 stop16h 32m

$379

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Fri 7/17

8:33 pm-3:41 pm

1 stop20h 08m

San Antonio

Mon 7/27

4:26 pm-9:58 am

1 stop16h 32m

$382

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Fri 7/10

8:33 pm-3:41 pm

1 stop20h 08m

San Antonio

Mon 7/13

4:26 pm-9:58 am

1 stop16h 32m

$398

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Fri 6/19

8:33 pm-3:37 pm

1 stop20h 04m

San Antonio

Mon 7/13

4:26 pm-9:58 am

1 stop16h 32m

$399

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Thu 6/18

8:33 pm-3:37 pm

1 stop20h 04m

San Antonio

Mon 6/22

4:22 pm-9:57 am

1 stop16h 35m

$412

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Thu 6/18

11:50 am-10:50 am

2 stops24h 00m

San Antonio

Mon 6/22

4:22 pm-9:57 am

1 stop16h 35m

$471

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Fri 6/26

8:33 pm-3:37 pm

1 stop20h 04m

San Antonio

Mon 6/29

4:22 pm-9:57 am

1 stop16h 35m

$490

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Trenton, New Jersey to San Antonio

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

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

The cheapest day to depart on your flight to San Antonio is on a Thursday when prices can be found for as low as $405. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Monday is $612.

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

According to our data, the cheapest time of day to fly to San Antonio is in the afternoon. momondo users have found flights departing from Trenton, New Jersey to San Antonio in the afternoon for as low as $339. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly in the morning, with an average ticket price of $460. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Trenton, New Jersey to San Antonio 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 Antonio (TTN to SAT) flight deals and tips

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

Fastest flight time

20h 04m

Direct flights

None
The fastest flight from Trenton, New Jersey to San Antonio takes 20h 04m
There are no direct flights from Trenton, New Jersey to San Antonio. There are no popular flight routes from Trenton, New Jersey to San Antonio.
Search flight deals

Frequently asked questions about flying from Trenton, New Jersey to San Antonio

  • How far is Trenton-Mercer to San Antonio by plane?

    There are 1531.0 mi between Trenton-Mercer and San Antonio. 20h 04m is a normal flight duration for this route.

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

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

  • How old do you have to be to fly from Trenton-Mercer Airport to San Antonio 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 Antonio Airport.

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

    The travel and health documents you'll need for your trip to San Antonio Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Antonio Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near San Antonio?

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

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Antonio from Trenton.

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

Yes. All flights to San Antonio from Trenton on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Trenton to San Antonio.

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

Yes. momondo can track prices for Trenton to San Antonio flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Fri 6/19
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