What is the cheapest airline that flies from Trenton-Mercer to San Antonio?

Frontier is the most popular carrier operating from Trenton-Mercer to San Antonio

What airlines fly to San Antonio?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to San Antonio from Trenton, New Jersey according to our data. American Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to San Antonio. Keep in mind that there are 7 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.

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.

$98 Cheap Flights from Trenton to San Antonio in 2025/26

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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 7:03 pm

TTN

SAT

14h 03m1 stop

9:09 am - 9:04 pm

SAT

TTN

10h 55m1 stop

$203Frontier

Mon, Jan 12 - Thu, Jan 15

6:00 am - 1:12 pm

TTN

SAT

8h 12m1 stop

9:21 pm - 7:47 am

SAT

TTN

9h 26m1 stop

$217Frontier

Thu, Feb 19 - Sun, Feb 22

6:00 am - 1:12 pm

TTN

SAT

8h 12m1 stop

9:21 pm - 7:47 am

SAT

TTN

9h 26m1 stop

$272Frontier

Fri, Feb 20 - Sun, Feb 22

6:00 am - 1:12 pm

TTN

SAT

8h 12m1 stop

2:18 pm - 11:59 pm

SAT

TTN

8h 41m1 stop

$324Frontier

Thu, Mar 5 - Mon, Mar 9

7:15 pm - 9:22 am

TTN

SAT

15h 07m1 stop

10:26 am - 6:25 pm

SAT

TTN

6h 59m1 stop

$369Multiple Airlines

Thu, Mar 26 - Sun, Mar 29

7:15 pm - 9:22 am

TTN

SAT

15h 07m1 stop

6:30 am - 6:25 pm

SAT

TTN

34h 55m3 stops

$393Multiple Airlines

Sun, Mar 22 - Wed, Mar 25

6:10 am - 5:01 pm

TTN

SAT

35h 51m2 stops

7:11 pm - 9:56 pm

SAT

TTN

25h 45m1 stop

$441Frontier

Thu, Jan 1 - Mon, Jan 5

7:15 pm - 9:22 am

TTN

SAT

15h 07m1 stop

10:26 am - 6:25 pm

SAT

TTN

6h 59m1 stop

$525Multiple Airlines

Thu, Mar 12 - Thu, Mar 19

9:59 pm - 6:16 pm

TTN

SAT

21h 17m1 stop

7:11 pm - 9:56 pm

SAT

TTN

25h 45m1 stop

$531Frontier

Thu, Jan 1 - Mon, Jan 5

7:15 pm - 12:49 pm

TTN

SAT

18h 34m2 stops

6:30 am - 6:25 pm

SAT

TTN

34h 55m3 stops

$565Multiple Airlines

Sun, Mar 22 - Wed, Mar 25

Frontier flights from Trenton, New Jersey to San Antonio

Our best Frontier deals on Trenton, New Jersey to San Antonio flight tickets

Frontier

Feb 19

TTN6:00 amTrenton-Mercer

8h 12m

1 stop

SAT1:12 pmSan Antonio

Feb 22

SAT9:21 pmSan Antonio

9h 26m

1 stop

TTN7:47 amTrenton-Mercer

$217

Find similar

Frontier

Feb 20

TTN6:00 amTrenton-Mercer

8h 12m

1 stop

SAT1:12 pmSan Antonio

Feb 22

SAT9:21 pmSan Antonio

9h 26m

1 stop

TTN7:47 amTrenton-Mercer

$272

Find similar

Frontier

Mar 22

TTN6:00 amTrenton-Mercer

8h 23m

1 stop

SAT1:23 pmSan Antonio

Mar 24

SAT2:18 pmSan Antonio

8h 41m

1 stop

TTN11:59 pmTrenton-Mercer

$317

Find similar

momondo Fare Finder

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

Mon 1/12

6:00 am-7:03 pm

1 stop14h 03m

San Antonio

Thu 1/15

9:09 am-9:04 pm

1 stop10h 55m

$203

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Thu 2/19

6:00 am-1:12 pm

1 stop8h 12m

San Antonio

Sun 2/22

9:21 pm-7:47 am

1 stop9h 26m

$217

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Fri 2/20

6:00 am-1:12 pm

1 stop8h 12m

San Antonio

Sun 2/22

9:21 pm-7:47 am

1 stop9h 26m

$272

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Thu 3/5

6:00 am-1:12 pm

1 stop8h 12m

San Antonio

Mon 3/9

2:18 pm-11:59 pm

1 stop8h 41m

$324

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Thu 3/26

7:15 pm-9:22 am

1 stop15h 07m

San Antonio

Sun 3/29

10:26 am-6:25 pm

1 stop6h 59m

$369

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Sun 3/22

7:15 pm-9:22 am

1 stop15h 07m

San Antonio

Wed 3/25

6:30 am-6:25 pm

3 stops34h 55m

$393

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Thu 1/1

6:10 am-5:01 pm

2 stops35h 51m

San Antonio

Mon 1/5

7:11 pm-9:56 pm

1 stop25h 45m

$441

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Thu 3/12

7:15 pm-9:22 am

1 stop15h 07m

San Antonio

Thu 3/19

10:26 am-6:25 pm

1 stop6h 59m

$525

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Thu 1/1

9:59 pm-6:16 pm

1 stop21h 17m

San Antonio

Mon 1/5

7:11 pm-9:56 pm

1 stop25h 45m

$531

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Sun 3/22

7:15 pm-12:49 pm

2 stops18h 34m

San Antonio

Wed 3/25

6:30 am-6:25 pm

3 stops34h 55m

$565

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first

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

Prices

Airlines

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 Wednesday when prices can be found for as low as $409. 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 $519.

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 evening. momondo users have found flights departing from Trenton, New Jersey to San Antonio in the evening for as low as $223. 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 $443. 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	8h 12m
Direct flights	None

The fastest flight from Trenton, New Jersey to San Antonio takes 8h 12m

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. 8h 12m 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.

New Braunfels

Kerrville

Boerne

Schertz

Pleasanton

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.