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Cheap flights from New Hampshire to San Antonio from $107

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 5/7. 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 New Hampshire to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Spirit Airlines Logo
5:49 pm - 12:27 pm
BOS
-
SAT
19h 38m
3 stops
Spirit Airlines Logo
10:22 am - 11:20 pm
SAT
-
BOS
11h 58m
1 stop
$296Spirit Airlines
Tue, Apr 7 - Tue, Apr 14
Spirit Airlines Logo
8:16 pm - 1:17 pm
BOS
-
SAT
18h 01m
2 stops
Spirit Airlines Logo
6:00 am - 10:15 am
SAT
-
BOS
27h 15m
1 stop
$297Spirit Airlines
Fri, Apr 24 - Sun, Apr 26
Spirit Airlines Logo
5:49 pm - 12:27 pm
BOS
-
SAT
19h 38m
3 stops
Spirit Airlines Logo
10:22 am - 11:59 pm
SAT
-
BOS
12h 37m
1 stop
$298Spirit Airlines
Tue, Mar 31 - Sat, Apr 4
Delta Logo
10:45 am - 2:31 pm
BOS
-
SAT
4h 46mnonstop
Delta Logo
12:22 pm - 5:22 pm
SAT
-
BOS
4h 00mnonstop
$299Delta
Tue, Mar 31 - Sat, Apr 4
Multiple Airlines Logo
4:23 pm - 1:55 pm
BOS
-
SAT
22h 32m
1 stop
Multiple Airlines Logo
2:13 pm - 11:13 am
SAT
-
BOS
20h 00m
2 stops
$301Multiple Airlines
Fri, Mar 20 - Tue, Mar 24
Multiple Airlines Logo
11:26 am - 12:27 pm
BOS
-
SAT
26h 01m
1 stop
Multiple Airlines Logo
6:00 pm - 10:21 am
SAT
-
BOS
15h 21m
2 stops
$303Multiple Airlines
Thu, Apr 9 - Mon, Apr 13
Delta Logo
10:45 am - 2:31 pm
BOS
-
SAT
4h 46mnonstop
Delta Logo
6:17 pm - 1:13 am
SAT
-
BOS
5h 56m
1 stop
$309Delta
Tue, Mar 31 - Mon, Apr 6
American Airlines Logo
5:40 pm - 11:56 pm
PWM
-
SAT
7h 16m
1 stop
American Airlines Logo
7:05 am - 2:37 pm
SAT
-
PWM
6h 32m
1 stop
$363American Airlines
Tue, Mar 24 - Wed, Apr 8
United Airlines Logo
4:45 pm - 10:49 pm
PWM
-
SAT
7h 04m
1 stop
United Airlines Logo
6:40 am - 2:26 pm
SAT
-
PWM
6h 46m
1 stop
$366United Airlines
Wed, May 20 - Thu, May 28
United Airlines Logo
2:30 pm - 8:40 pm
MHT
-
SAT
7h 10m
1 stop
United Airlines Logo
6:49 am - 6:56 pm
SAT
-
MHT
11h 07m
2 stops
$378United Airlines
Tue, Apr 14 - Thu, Apr 16

Spirit Airlines flights from New Hampshire to San Antonio

Our best Spirit Airlines deals on New Hampshire to San Antonio flight tickets
Spirit Airlines
Apr 7
BOS5:49 pmBoston Logan Intl
19h 38m
3 stops
SAT12:27 pmSan Antonio
Apr 14
SAT10:22 amSan Antonio
11h 58m
1 stop
BOS11:20 pmBoston Logan Intl
$296
Spirit Airlines
Mar 31
BOS5:49 pmBoston Logan Intl
19h 38m
3 stops
SAT12:27 pmSan Antonio
Apr 4
SAT10:22 amSan Antonio
12h 37m
1 stop
BOS11:59 pmBoston Logan Intl
$298
Spirit Airlines
Mar 24
BOS5:49 pmBoston Logan Intl
19h 38m
2 stops
SAT12:27 pmSan Antonio
Mar 28
SAT10:22 amSan Antonio
12h 37m
1 stop
BOS11:59 pmBoston Logan Intl
$300

United Airlines flights from New Hampshire to San Antonio

Our best United Airlines deals on New Hampshire to San Antonio flight tickets
United Airlines
May 20
PWM4:45 pmPortland
7h 04m
1 stop
SAT10:49 pmSan Antonio
May 28
SAT6:40 amSan Antonio
6h 46m
1 stop
PWM2:26 pmPortland
$366
United Airlines
Apr 14
MHT2:30 pmManchester
7h 10m
1 stop
SAT8:40 pmSan Antonio
Apr 16
SAT6:49 amSan Antonio
11h 07m
2 stops
MHT6:56 pmManchester
$378
United Airlines
May 12
PWM11:08 amPortland
10h 27m
2 stops
SAT8:35 pmSan Antonio
May 15
SAT11:45 amSan Antonio
10h 38m
2 stops
PWM11:23 pmPortland
$396

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 March 2, 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

Tue 4/7

5:49 pm-12:27 pm

3 stops19h 38m

San Antonio

Tue 4/14

10:22 am-11:20 pm

1 stop11h 58m

$296

BostonSan Antonio

BOS - SAT

BOSSAT

Boston Logan Intl

Fri 4/24

8:16 pm-1:17 pm

2 stops18h 01m

San Antonio

Sun 4/26

6:00 am-10:15 am

1 stop27h 15m

$297

BostonSan Antonio

BOS - SAT

BOSSAT

Boston Logan Intl

Tue 3/31

5:49 pm-12:27 pm

3 stops19h 38m

San Antonio

Sat 4/4

10:22 am-11:59 pm

1 stop12h 37m

$298

BostonSan Antonio

BOS - SAT

BOSSAT

Boston Logan Intl

Tue 3/31

10:45 am-2:31 pm

Nonstop4h 46m

San Antonio

Sat 4/4

12:22 pm-5:22 pm

Nonstop4h 00m

$299

BostonSan Antonio

BOS - SAT

BOSSAT

Boston Logan Intl

Fri 3/20

4:23 pm-1:55 pm

1 stop22h 32m

San Antonio

Tue 3/24

2:13 pm-11:13 am

2 stops20h 00m

$301

BostonSan Antonio

BOS - SAT

BOSSAT

Boston Logan Intl

Thu 4/9

11:26 am-12:27 pm

1 stop26h 01m

San Antonio

Mon 4/13

6:00 pm-10:21 am

2 stops15h 21m

$303

BostonSan Antonio

BOS - SAT

BOSSAT

Boston Logan Intl

Tue 3/31

10:45 am-2:31 pm

Nonstop4h 46m

San Antonio

Mon 4/6

6:17 pm-1:13 am

1 stop5h 56m

$309

PortlandSan Antonio

PWM - SAT

PWMSAT

Portland

Tue 3/24

5:40 pm-11:56 pm

1 stop7h 16m

San Antonio

Wed 4/8

7:05 am-2:37 pm

1 stop6h 32m

$363

PortlandSan Antonio

PWM - SAT

PWMSAT

Portland

Wed 5/20

4:45 pm-10:49 pm

1 stop7h 04m

San Antonio

Thu 5/28

6:40 am-2:26 pm

1 stop6h 46m

$366

ManchesterSan Antonio

MHT - SAT

MHTSAT

Manchester

Tue 4/14

2:30 pm-8:40 pm

1 stop7h 10m

San Antonio

Thu 4/16

6:49 am-6:56 pm

2 stops11h 07m

$378

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 $348.

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 $358. 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 $464.

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 $392 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 $320 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
7.1
11,369 reviews
Search American Airlines flights
United AirlinesPriceFrom $332Free CancellationRating
7.4
9,375 reviews
Search United Airlines flights
SouthwestPriceFrom $342Free CancellationRating
8.0
4,306 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
Pleasanton
Schertz

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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