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Cheap flights from Trenton, New Jersey to San Antonio from $81

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 3/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
10:49 am - 5:59 pm
TTN
-
SAT
8h 10m
1 stop
Frontier Logo
10:23 am - 11:59 pm
SAT
-
TTN
12h 36m
1 stop
$190Frontier
Sat, May 16 - Mon, May 18
Frontier Logo
6:00 am - 1:07 pm
TTN
-
SAT
8h 07m
1 stop
Frontier Logo
2:13 pm - 11:59 pm
SAT
-
TTN
8h 46m
1 stop
$212Frontier
Mon, Mar 2 - Tue, Mar 10
Multiple Airlines Logo
8:00 am - 10:29 pm
TTN
-
SAT
15h 29m
1 stop
Multiple Airlines Logo
10:26 am - 11:00 am
SAT
-
TTN
23h 34m
1 stop
$229Multiple Airlines
Wed, May 20 - Sat, May 23
Frontier Logo
5:37 pm - 5:59 pm
TTN
-
SAT
25h 22m
1 stop
Frontier Logo
10:23 am - 11:59 pm
SAT
-
TTN
12h 36m
1 stop
$236Frontier
Fri, May 15 - Mon, May 18
Frontier Logo
5:37 pm - 5:59 pm
TTN
-
SAT
25h 22m
1 stop
Frontier Logo
10:23 am - 11:59 pm
SAT
-
TTN
12h 36m
1 stop
$243Frontier
Fri, May 1 - Mon, May 4
Multiple Airlines Logo
7:15 pm - 9:27 am
TTN
-
SAT
15h 12m
1 stop
Multiple Airlines Logo
6:00 pm - 9:37 pm
SAT
-
TTN
26h 37m
2 stops
$260Multiple Airlines
Thu, Apr 9 - Mon, Apr 13
Frontier Logo
6:00 am - 1:23 pm
TTN
-
SAT
8h 23m
1 stop
Frontier Logo
2:13 pm - 2:19 pm
SAT
-
TTN
23h 06m
1 stop
$291Frontier
Tue, Mar 24 - Fri, Mar 27
Frontier Logo
6:00 am - 1:12 pm
TTN
-
SAT
8h 12m
1 stop
Frontier Logo
1:57 pm - 11:39 pm
SAT
-
TTN
8h 42m
1 stop
$297Frontier
Mon, Feb 23 - Thu, Feb 26
Frontier Logo
6:00 am - 7:29 pm
TTN
-
SAT
14h 29m
1 stop
Frontier Logo
1:52 pm - 11:39 pm
SAT
-
TTN
8h 47m
1 stop
$303Frontier
Sun, Feb 22 - Mon, Mar 2
Frontier Logo
6:00 am - 1:23 pm
TTN
-
SAT
8h 23m
1 stop
Frontier Logo
2:13 pm - 11:59 pm
SAT
-
TTN
8h 46m
1 stop
$315Frontier
Tue, Mar 17 - Tue, Mar 24

Frontier flights from Trenton, New Jersey to San Antonio

Our best Frontier deals on Trenton, New Jersey to San Antonio flight tickets
Frontier
May 16
TTN10:49 amTrenton-Mercer
8h 10m
1 stop
SAT5:59 pmSan Antonio
May 18
SAT10:23 amSan Antonio
12h 36m
1 stop
TTN11:59 pmTrenton-Mercer
$190
Frontier
Mar 2
TTN6:00 amTrenton-Mercer
8h 07m
1 stop
SAT1:07 pmSan Antonio
Mar 10
SAT2:13 pmSan Antonio
8h 46m
1 stop
TTN11:59 pmTrenton-Mercer
$212
Frontier
May 15
TTN5:37 pmTrenton-Mercer
25h 22m
1 stop
SAT5:59 pmSan Antonio
May 18
SAT10:23 amSan Antonio
12h 36m
1 stop
TTN11:59 pmTrenton-Mercer
$236

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 February 8, 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

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Sat 5/16

10:49 am-5:59 pm

1 stop8h 10m

San Antonio

Mon 5/18

10:23 am-11:59 pm

1 stop12h 36m

$190

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Mon 3/2

6:00 am-1:07 pm

1 stop8h 07m

San Antonio

Tue 3/10

2:13 pm-11:59 pm

1 stop8h 46m

$212

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Wed 5/20

8:00 am-10:29 pm

1 stop15h 29m

San Antonio

Sat 5/23

10:26 am-11:00 am

1 stop23h 34m

$229

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Fri 5/15

5:37 pm-5:59 pm

1 stop25h 22m

San Antonio

Mon 5/18

10:23 am-11:59 pm

1 stop12h 36m

$236

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Fri 5/1

5:37 pm-5:59 pm

1 stop25h 22m

San Antonio

Mon 5/4

10:23 am-11:59 pm

1 stop12h 36m

$243

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Thu 4/9

7:15 pm-9:27 am

1 stop15h 12m

San Antonio

Mon 4/13

6:00 pm-9:37 pm

2 stops26h 37m

$260

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Tue 3/24

6:00 am-1:23 pm

1 stop8h 23m

San Antonio

Fri 3/27

2:13 pm-2:19 pm

1 stop23h 06m

$291

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Mon 2/23

6:00 am-1:12 pm

1 stop8h 12m

San Antonio

Thu 2/26

1:57 pm-11:39 pm

1 stop8h 42m

$297

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Sun 2/22

6:00 am-7:29 pm

1 stop14h 29m

San Antonio

Mon 3/2

1:52 pm-11:39 pm

1 stop8h 47m

$303

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Tue 3/17

6:00 am-1:23 pm

1 stop8h 23m

San Antonio

Tue 3/24

2:13 pm-11:59 pm

1 stop8h 46m

$315

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 $397. 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 $512.

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 $329. 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 $439. 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

7h 27m

Direct flights

None
The fastest flight from Trenton, New Jersey to San Antonio takes 7h 27m
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

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

    There are 1531.0 mi between Trenton-Mercer and San Antonio. 7h 27m 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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