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 38% 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.

$124 Cheap Flights from Trenton to San Antonio in 2025/26

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0 bags

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

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:10 am - 2:07 pmTTN-SAT

6h 57m1 stop

3:02 pm - 11:59 pmSAT-TTN

7h 57m1 stop

$184Frontier

Find Deal

Sat, Feb 28 - Mon, Mar 2

8:00 am - 5:10 pmTTN-SAT

10h 10m1 stop

7:39 pm - 11:49 amSAT-TTN

15h 10m1 stop

$295Frontier

Find Deal

Sat, Nov 15 - Sun, Nov 23

9:59 pm - 6:16 pmTTN-SAT

21h 17m1 stop

7:11 pm - 11:59 pmSAT-TTN

27h 48m1 stop

$309Frontier

Find Deal

Sun, Dec 21 - Mon, Jan 5

6:10 am - 2:15 pmTTN-SAT

9h 05m1 stop

3:10 pm - 11:59 pmSAT-TTN

7h 49m1 stop

$312Multiple Airlines

Find Deal

Sat, Dec 6 - Mon, Dec 15

6:10 am - 2:15 pmTTN-SAT

9h 05m1 stop

3:10 pm - 11:59 pmSAT-TTN

7h 49m1 stop

$326Multiple Airlines

Find Deal

Fri, Dec 5 - Sun, Dec 7

8:10 am - 2:07 pmTTN-SAT

6h 57m1 stop

3:02 pm - 11:59 pmSAT-TTN

7h 57m1 stop

$334Frontier

Find Deal

Sat, Feb 28 - Sun, Mar 1

6:10 am - 2:07 pmTTN-SAT

8h 57m1 stop

3:02 pm - 11:59 pmSAT-TTN

7h 57m1 stop

$342Frontier

Find Deal

Fri, Feb 27 - Mon, Mar 2

6:10 am - 11:26 pmTTN-SAT

18h 16m2 stops

3:10 pm - 11:59 pmSAT-TTN

7h 49m1 stop

$366Multiple Airlines

Find Deal

Fri, Dec 5 - Sun, Dec 7

4:27 pm - 9:04 amTTN-SAT

17h 37m1 stop

7:00 am - 3:23 pmSAT-TTN

31h 23m2 stops

$441Multiple Airlines

Find Deal

Sun, Nov 16 - Thu, Nov 20

6:00 am - 3:59 pmTTN-SAT

10h 59m1 stop

7:38 pm - 3:23 pmSAT-TTN

18h 45m1 stop

$473Multiple Airlines

Find Deal

Sun, Nov 16 - Thu, Nov 20

Frontier flights from Trenton, New Jersey to San Antonio

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

Frontier

Feb 28

TTN8:10 amTrenton-Mercer

6h 57m

1 stop

SAT2:07 pmSan Antonio

Mar 2

SAT3:02 pmSan Antonio

7h 57m

1 stop

TTN11:59 pmTrenton-Mercer

$184

Find similar

Frontier

Nov 15

TTN8:00 amTrenton-Mercer

10h 10m

1 stop

SAT5:10 pmSan Antonio

Nov 23

SAT7:39 pmSan Antonio

15h 10m

1 stop

TTN11:49 amTrenton-Mercer

$295

Find similar

Frontier

Dec 21

TTN9:59 pmTrenton-Mercer

21h 17m

1 stop

SAT6:16 pmSan Antonio

Jan 5

SAT7:11 pmSan Antonio

27h 48m

1 stop

TTN11:59 pmTrenton-Mercer

$309

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

Sat 2/28

8:10 am-2:07 pm

1 stop6h 57m

San Antonio

Mon 3/2

3:02 pm-11:59 pm

1 stop7h 57m

$184

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Sat 11/15

8:00 am-5:10 pm

1 stop10h 10m

San Antonio

Sun 11/23

7:39 pm-11:49 am

1 stop15h 10m

$295

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Sun 12/21

9:59 pm-6:16 pm

1 stop21h 17m

San Antonio

Mon 1/5

7:11 pm-11:59 pm

1 stop27h 48m

$309

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Sat 12/6

6:10 am-2:15 pm

1 stop9h 05m

San Antonio

Mon 12/15

3:10 pm-11:59 pm

1 stop7h 49m

$312

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Fri 12/5

6:10 am-2:15 pm

1 stop9h 05m

San Antonio

Sun 12/7

3:10 pm-11:59 pm

1 stop7h 49m

$326

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Sat 2/28

8:10 am-2:07 pm

1 stop6h 57m

San Antonio

Sun 3/1

3:02 pm-11:59 pm

1 stop7h 57m

$334

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Fri 2/27

6:10 am-2:07 pm

1 stop8h 57m

San Antonio

Mon 3/2

3:02 pm-11:59 pm

1 stop7h 57m

$342

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Fri 12/5

6:10 am-11:26 pm

2 stops18h 16m

San Antonio

Sun 12/7

3:10 pm-11:59 pm

1 stop7h 49m

$366

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Sun 11/16

4:27 pm-9:04 am

1 stop17h 37m

San Antonio

Thu 11/20

7:00 am-3:23 pm

2 stops31h 23m

$441

TrentonSan Antonio

TTN - SAT

TTNSAT

Trenton-Mercer

Sun 11/16

6:00 am-3:59 pm

1 stop10h 59m

San Antonio

Thu 11/20

7:38 pm-3:23 pm

1 stop18h 45m

$473

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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 $417. 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 $547.

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 $453. 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

Direct flights	None

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. 6h 57m 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

Boerne

Kerrville

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.