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Cheap flights from New Hampshire to San Antonio from $82

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New Hampshire to San Antonio departing on 2/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from New Hampshire to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 am - 5:03 pm
BOS
-
SAT
12h 03m
1 stop
Multiple Airlines Logo
6:30 am - 2:38 pm
SAT
-
BOS
7h 08m
1 stop
$272Multiple Airlines
Fri, Jan 23 - Wed, Jan 28
Spirit Airlines Logo
5:39 pm - 9:22 am
BOS
-
SAT
16h 43m
1 stop
Spirit Airlines Logo
10:26 am - 12:07 am
SAT
-
BOS
12h 41m
1 stop
$273Spirit Airlines
Sun, Mar 22 - Tue, Mar 31
Delta Logo
2:35 pm - 10:10 pm
PWM
-
SAT
8h 35m
1 stop
Delta Logo
5:30 am - 12:08 pm
SAT
-
PWM
5h 38m
1 stop
$317Delta
Sat, Jan 31 - Sat, Feb 7
Delta Logo
6:17 am - 3:21 pm
PWM
-
SAT
10h 04m
2 stops
Delta Logo
5:30 am - 12:08 pm
SAT
-
PWM
5h 38m
1 stop
$322Delta
Sat, Jan 31 - Sat, Feb 7
United Airlines Logo
11:10 am - 7:41 pm
PWM
-
SAT
9h 31m
2 stops
United Airlines Logo
7:00 am - 6:54 pm
SAT
-
PWM
10h 54m
2 stops
$328United Airlines
Wed, Feb 4 - Sat, Feb 7
American Airlines Logo
12:46 pm - 8:25 pm
PWM
-
SAT
8h 39m
1 stop
American Airlines Logo
12:56 pm - 10:07 pm
SAT
-
PWM
8h 11m
1 stop
$355American Airlines
Wed, Feb 4 - Thu, Feb 5
Southwest Logo
3:25 pm - 11:05 pm
MHT
-
SAT
8h 40m
2 stops
Southwest Logo
5:20 am - 5:10 pm
SAT
-
MHT
10h 50m
1 stop
$378Southwest
Wed, Feb 4 - Sat, Feb 7
American Airlines Logo
5:02 pm - 10:55 pm
MHT
-
SAT
6h 53m
1 stop
American Airlines Logo
6:24 am - 3:30 pm
SAT
-
MHT
8h 06m
1 stop
$385American Airlines
Thu, Feb 19 - Mon, Feb 23
Southwest Logo
5:00 am - 2:30 pm
MHT
-
SAT
10h 30m
2 stops
Southwest Logo
6:15 am - 2:30 pm
SAT
-
MHT
7h 15m
2 stops
$387Southwest
Wed, Feb 4 - Sat, Feb 7
United Airlines Logo
2:30 pm - 8:40 pm
MHT
-
SAT
7h 10m
1 stop
United Airlines Logo
12:09 pm - 6:56 pm
SAT
-
MHT
5h 47m
1 stop
$401United Airlines
Wed, Apr 22 - Mon, Apr 27

Frontier flights from New Hampshire to San Antonio

Our best Frontier deals on New Hampshire to San Antonio flight tickets
Frontier
Feb 23
BOS6:00 amBoston Logan Intl
11h 18m
1 stop
SAT4:18 pmSan Antonio
Feb 28
SAT2:13 pmSan Antonio
17h 53m
1 stop
BOS9:06 amBoston Logan Intl
$300
Frontier
Feb 15
BOS6:00 amBoston Logan Intl
11h 19m
1 stop
SAT4:19 pmSan Antonio
Feb 17
SAT5:36 pmSan Antonio
30h 37m
2 stops
BOS1:13 amBoston Logan Intl
$305
Frontier
Jan 19
BOS6:00 amBoston Logan Intl
12h 23m
1 stop
SAT5:23 pmSan Antonio
Jan 23
SAT6:13 pmSan Antonio
6h 00m
1 stop
BOS1:13 amBoston Logan Intl
$322

Spirit Airlines flights from New Hampshire to San Antonio

Our best Spirit Airlines deals on New Hampshire to San Antonio flight tickets
Spirit Airlines
Mar 22
BOS5:39 pmBoston Logan Intl
16h 43m
1 stop
SAT9:22 amSan Antonio
Mar 31
SAT10:26 amSan Antonio
12h 41m
1 stop
BOS12:07 amBoston Logan Intl
$273
Spirit Airlines
Feb 6
BOS3:43 pmBoston Logan Intl
9h 09m
1 stop
SAT11:52 pmSan Antonio
Mar 31
SAT1:44 pmSan Antonio
6h 28m
1 stop
BOS9:12 pmBoston Logan Intl
$275
Spirit Airlines
Feb 5
BOS5:34 amBoston Logan Intl
19h 18m
2 stops
SAT11:52 pmSan Antonio
Feb 8
SAT6:30 amSan Antonio
16h 27m
2 stops
BOS11:57 pmBoston Logan Intl
$276

momondo Fare Finder

 
Customize your flight search to find flights from New Hampshire 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 January 12, 2026.
Use the filters below to find and compare flights from New Hampshire to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonSan Antonio

BOS - SAT

BOSSAT

Boston Logan Intl

Fri 1/23

6:00 am-5:03 pm

1 stop12h 03m

San Antonio

Wed 1/28

6:30 am-2:38 pm

1 stop7h 08m

$272

BostonSan Antonio

BOS - SAT

BOSSAT

Boston Logan Intl

Sun 3/22

5:39 pm-9:22 am

1 stop16h 43m

San Antonio

Tue 3/31

10:26 am-12:07 am

1 stop12h 41m

$273

PortlandSan Antonio

PWM - SAT

PWMSAT

Portland

Sat 1/31

2:35 pm-10:10 pm

1 stop8h 35m

San Antonio

Sat 2/7

5:30 am-12:08 pm

1 stop5h 38m

$317

PortlandSan Antonio

PWM - SAT

PWMSAT

Portland

Sat 1/31

6:17 am-3:21 pm

2 stops10h 04m

San Antonio

Sat 2/7

5:30 am-12:08 pm

1 stop5h 38m

$322

PortlandSan Antonio

PWM - SAT

PWMSAT

Portland

Wed 2/4

11:10 am-7:41 pm

2 stops9h 31m

San Antonio

Sat 2/7

7:00 am-6:54 pm

2 stops10h 54m

$328

PortlandSan Antonio

PWM - SAT

PWMSAT

Portland

Wed 2/4

12:46 pm-8:25 pm

1 stop8h 39m

San Antonio

Thu 2/5

12:56 pm-10:07 pm

1 stop8h 11m

$355

ManchesterSan Antonio

MHT - SAT

MHTSAT

Manchester

Wed 2/4

3:25 pm-11:05 pm

2 stops8h 40m

San Antonio

Sat 2/7

5:20 am-5:10 pm

1 stop10h 50m

$378

ManchesterSan Antonio

MHT - SAT

MHTSAT

Manchester

Thu 2/19

5:02 pm-10:55 pm

1 stop6h 53m

San Antonio

Mon 2/23

6:24 am-3:30 pm

1 stop8h 06m

$385

ManchesterSan Antonio

MHT - SAT

MHTSAT

Manchester

Wed 2/4

5:00 am-2:30 pm

2 stops10h 30m

San Antonio

Sat 2/7

6:15 am-2:30 pm

2 stops7h 15m

$387

ManchesterSan Antonio

MHT - SAT

MHTSAT

Manchester

Wed 4/22

2:30 pm-8:40 pm

1 stop7h 10m

San Antonio

Mon 4/27

12:09 pm-6:56 pm

1 stop5h 47m

$401

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Antonio from

How to get the cheapest flight ticket from New Hampshire 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 month to fly to San Antonio?

If you aren’t able to travel during the month of July, then book flights to San Antonio from New Hampshire during June instead. Flights to San Antonio in June, while not as cheap as those in July, still average around $339.

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 Friday when prices can be found for as low as $349. 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 Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Sunday is $456.

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 New Hampshire to San Antonio at noon for as low as $373. 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 $390. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to San Antonio?

You are more likely to see cheaper flights to San Antonio from New Hampshire when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $383 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from New Hampshire for as low as $299 on momondo.

Cheap New Hampshire to San Antonio flight deals and tips

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

Fastest flight time

4h 37m

Direct flights

Every day

Airports in San Antonio

1 airport
The fastest flight from New Hampshire to San Antonio takes 4h 37m
Direct flights go from New Hampshire to San Antonio every day.
There is 1 airport in San Antonio. From New Hampshire there are direct flights to San Antonio (SAT).
Search flight deals

  • When did momondo last update prices for flights from New Hampshire to San Antonio Airport?

    Prices for flights from New Hampshire to San Antonio Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from New Hampshire to San Antonio Airport?

  • How old do you have to be to fly from New Hampshire to San Antonio Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from New Hampshire to San Antonio Airport.

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

    The travel and health documents required for your trip to San Antonio Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Antonio Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from New Hampshire to San Antonio

Compare and see reviews for airlines that fly from New Hampshire to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $311Free CancellationRating
7.2
11,114 reviews
Search American Airlines flights
United AirlinesPriceFrom $332Free CancellationRating
7.4
9,149 reviews
Search United Airlines flights
SouthwestPriceFrom $342Free CancellationRating
8.0
4,256 reviews
Search Southwest flights

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
Schertz
Pleasanton

Why use momondo?

Why should I use momondo to find a flight deal from New Hampshire 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 New Hampshire.

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

Yes. momondo allows you to filter the results for New Hampshire to San Antonio flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to San Antonio from New Hampshire. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from New Hampshire to San Antonio now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Antonio and let you know when they change.

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