Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Trenton, New Jersey to San Antonio from $148

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 8/20. 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
1 adult, Economy, 0 bags

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
6:30 am - 8:56 am
TTN
-
SAT
27h 26m
1 stop
Frontier Logo
9:51 am - 11:40 pm
SAT
-
TTN
12h 49m
1 stop
$250Frontier
Thu, Sep 3 - Sat, Sep 5
Frontier Logo
7:39 pm - 9:10 am
TTN
-
SAT
14h 31m
1 stop
Frontier Logo
10:05 am - 6:42 pm
SAT
-
TTN
7h 37m
1 stop
$290Frontier
Thu, Sep 24 - Mon, Sep 28
Frontier Logo
12:49 pm - 8:56 am
TTN
-
SAT
21h 07m
1 stop
Frontier Logo
10:03 am - 6:42 pm
SAT
-
TTN
7h 39m
1 stop
$319Frontier
Sun, Sep 6 - Wed, Sep 9
Frontier Logo
6:30 am - 8:56 am
TTN
-
SAT
27h 26m
1 stop
Frontier Logo
9:51 am - 11:40 pm
SAT
-
TTN
12h 49m
1 stop
$334Frontier
Thu, Aug 27 - Mon, Aug 31
Frontier Logo
6:30 am - 8:56 am
TTN
-
SAT
27h 26m
1 stop
Frontier Logo
9:51 am - 11:40 pm
SAT
-
TTN
12h 49m
1 stop
$335Frontier
Thu, Sep 3 - Sat, Sep 5
Frontier Logo
6:30 am - 8:56 am
TTN
-
SAT
27h 26m
1 stop
Frontier Logo
9:51 am - 12:04 pm
SAT
-
TTN
25h 13m
1 stop
$351Frontier
Fri, Aug 21 - Mon, Aug 31
Multiple Airlines Logo
12:49 pm - 8:56 am
TTN
-
SAT
21h 07m
1 stop
Multiple Airlines Logo
5:38 pm - 4:32 pm
SAT
-
TTN
21h 54m
2 stops
$360Multiple Airlines
Thu, Sep 3 - Sat, Sep 5
Frontier Logo
6:30 am - 8:56 am
TTN
-
SAT
27h 26m
1 stop
Frontier Logo
9:51 am - 11:40 pm
SAT
-
TTN
12h 49m
1 stop
$364Frontier
Thu, Aug 20 - Sat, Aug 22
Frontier Logo
6:30 am - 8:56 am
TTN
-
SAT
27h 26m
1 stop
Frontier Logo
9:51 am - 12:04 pm
SAT
-
TTN
25h 13m
1 stop
$378Frontier
Thu, Aug 20 - Sat, Aug 22
Frontier Logo
12:49 pm - 8:56 am
TTN
-
SAT
21h 07m
1 stop
Frontier Logo
9:51 am - 12:04 pm
SAT
-
TTN
25h 13m
1 stop
$383Frontier
Fri, Aug 21 - Mon, Aug 24

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Frontier flights from Trenton, New Jersey to San Antonio

Our best Frontier deals on Trenton, New Jersey to San Antonio flight tickets
Frontier
Sep 3
TTN6:30 amTrenton-Mercer
27h 26m
1 stop
SAT8:56 amSan Antonio
Sep 5
SAT9:51 amSan Antonio
12h 49m
1 stop
TTN11:40 pmTrenton-Mercer
$250
Frontier
Sep 24
TTN7:39 pmTrenton-Mercer
14h 31m
1 stop
SAT9:10 amSan Antonio
Sep 28
SAT10:05 amSan Antonio
7h 37m
1 stop
TTN6:42 pmTrenton-Mercer
$290
Frontier
Sep 6
TTN12:49 pmTrenton-Mercer
21h 07m
1 stop
SAT8:56 amSan Antonio
Sep 9
SAT10:03 amSan Antonio
7h 39m
1 stop
TTN6:42 pmTrenton-Mercer
$319

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 August 1, 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 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

Sun 9/6

12:49 pm-8:56 am

1 stop21h 07m

San Antonio

Wed 9/9

10:03 am-6:42 pm

1 stop7h 39m

$319

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 9/3

6:30 am-8:56 am

1 stop27h 26m

San Antonio

Sat 9/5

9:51 am-11:40 pm

1 stop12h 49m

$335

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Fri 8/21

6:30 am-8:56 am

1 stop27h 26m

San Antonio

Mon 8/31

9:51 am-12:04 pm

1 stop25h 13m

$351

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

Thu 8/20

6:30 am-8:56 am

1 stop27h 26m

San Antonio

Sat 8/22

9:51 am-11:40 pm

1 stop12h 49m

$364

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Thu 8/20

6:30 am-8:56 am

1 stop27h 26m

San Antonio

Sat 8/22

9:51 am-12:04 pm

1 stop25h 13m

$378

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

$383

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

See travel insights to San Antonio from

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 $426. 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 $595.

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 at noon. momondo users have found flights departing from Trenton, New Jersey to San Antonio at noon for as low as $287. 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 $479. 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

9h 49m

Direct flights

None
The fastest flight from Trenton, New Jersey to San Antonio takes 9h 49m
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. 9h 49m 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
Pleasanton
Kerrville
Boerne
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.

An easier way to manage your San Antonio trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 8/31
Mon 9/7
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States