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Cheap flights from New Hampshire to San Antonio from $116

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 4/22. 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 - 8:14 pm
BOS
-
SAT
15h 14m
2 stops
Multiple Airlines Logo
5:26 pm - 11:54 pm
SAT
-
BOS
29h 28m
1 stop
$307Multiple Airlines
Wed, May 27 - Mon, Jun 1
Delta Logo
8:05 am - 3:14 pm
BOS
-
SAT
8h 09m
1 stop
Delta Logo
1:20 pm - 6:47 pm
SAT
-
BOS
4h 27mnonstop
$309Delta
Wed, Jul 1 - Wed, Jul 29
Spirit Airlines Logo
5:45 am - 4:16 pm
BOS
-
SAT
11h 31m
1 stop
Spirit Airlines Logo
5:26 pm - 11:54 pm
SAT
-
BOS
29h 28m
1 stop
$313Spirit Airlines
Mon, May 4 - Thu, May 7
Spirit Airlines Logo
5:45 am - 4:16 pm
BOS
-
SAT
11h 31m
1 stop
Spirit Airlines Logo
5:26 pm - 11:54 pm
SAT
-
BOS
29h 28m
1 stop
$315Spirit Airlines
Thu, May 14 - Sun, May 17
American Airlines Logo
4:21 pm - 10:52 pm
BOS
-
SAT
7h 31m
1 stop
American Airlines Logo
8:14 am - 6:03 pm
SAT
-
BOS
8h 49m
1 stop
$318American Airlines
Tue, Apr 28 - Fri, May 1
Southwest Logo
7:10 pm - 11:55 pm
PWM
-
SAT
5h 45m
1 stop
Southwest Logo
2:00 pm - 9:30 pm
SAT
-
PWM
6h 30m
1 stop
$337Southwest
Wed, Jun 10 - Tue, Jun 16
Southwest Logo
5:30 am - 10:45 am
PWM
-
SAT
6h 15m
1 stop
Southwest Logo
1:20 pm - 10:55 pm
SAT
-
PWM
8h 35m
2 stops
$342Southwest
Wed, Jun 10 - Tue, Jun 16
United Airlines Logo
5:05 pm - 10:55 pm
PWM
-
SAT
6h 50m
1 stop
United Airlines Logo
1:44 pm - 11:59 pm
SAT
-
PWM
9h 15m
2 stops
$407United Airlines
Mon, Aug 24 - Wed, Sep 2
American Airlines Logo
1:50 pm - 7:26 pm
MHT
-
SAT
6h 36m
1 stop
American Airlines Logo
7:05 am - 2:24 pm
SAT
-
MHT
6h 19m
1 stop
$419American Airlines
Tue, Aug 18 - Sat, Aug 22
United Airlines Logo
9:25 am - 7:53 pm
MHT
-
SAT
11h 28m
2 stops
United Airlines Logo
5:30 am - 2:08 pm
SAT
-
MHT
7h 38m
2 stops
$427United Airlines
Tue, Aug 18 - Sat, Aug 22

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Southwest flights from New Hampshire to San Antonio

Our best Southwest deals on New Hampshire to San Antonio flight tickets
Southwest
Jun 10
PWM7:10 pmPortland
5h 45m
1 stop
SAT11:55 pmSan Antonio
Jun 16
SAT2:00 pmSan Antonio
6h 30m
1 stop
PWM9:30 pmPortland
$337
Southwest
Jun 10
PWM5:30 amPortland
6h 15m
1 stop
SAT10:45 amSan Antonio
Jun 16
SAT1:20 pmSan Antonio
8h 35m
2 stops
PWM10:55 pmPortland
$342
Southwest
Jun 9
BOS5:25 amBoston Logan Intl
6h 20m
1 stop
SAT10:45 amSan Antonio
Jun 16
SAT8:20 amSan Antonio
7h 30m
2 stops
BOS4:50 pmBoston Logan Intl
$364

Delta flights from New Hampshire to San Antonio

Our best Delta deals on New Hampshire to San Antonio flight tickets
Delta
Sep 16
BOS9:15 amBoston Logan Intl
4h 37m
SAT12:52 pmSan Antonio
Sep 20
SAT5:30 amSan Antonio
6h 11m
1 stop
BOS12:41 pmBoston Logan Intl
$309
Delta
Jun 25
BOS6:06 amBoston Logan Intl
6h 44m
1 stop
SAT11:50 amSan Antonio
Jun 29
SAT12:45 pmSan Antonio
9h 21m
1 stop
BOS11:06 pmBoston Logan Intl
$319
Delta
Jul 1
BOS9:00 amBoston Logan Intl
4h 25m
SAT12:25 pmSan Antonio
Jul 22
SAT1:20 pmSan Antonio
4h 27m
BOS6:47 pmBoston Logan Intl
$339

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 April 19, 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

Cheapest round-trip

BostonSan Antonio

BOS - SAT

BOSSAT

Boston Logan Intl

Wed 5/27

6:00 am-8:14 pm

2 stops15h 14m

San Antonio

Mon 6/1

5:26 pm-11:54 pm

1 stop29h 28m

$307

BostonSan Antonio

BOS - SAT

BOSSAT

Boston Logan Intl

Wed 7/1

8:05 am-3:14 pm

1 stop8h 09m

San Antonio

Wed 7/29

1:20 pm-6:47 pm

Nonstop4h 27m

$309

BostonSan Antonio

BOS - SAT

BOSSAT

Boston Logan Intl

Mon 5/4

5:45 am-4:16 pm

1 stop11h 31m

San Antonio

Thu 5/7

5:26 pm-11:54 pm

1 stop29h 28m

$313

BostonSan Antonio

BOS - SAT

BOSSAT

Boston Logan Intl

Thu 5/14

5:45 am-4:16 pm

1 stop11h 31m

San Antonio

Sun 5/17

5:26 pm-11:54 pm

1 stop29h 28m

$315

BostonSan Antonio

BOS - SAT

BOSSAT

Boston Logan Intl

Tue 4/28

4:21 pm-10:52 pm

1 stop7h 31m

San Antonio

Fri 5/1

8:14 am-6:03 pm

1 stop8h 49m

$318
Quickest round-trip

PortlandSan Antonio

PWM - SAT

PWMSAT

Portland

Wed 6/10

7:10 pm-11:55 pm

1 stop5h 45m

San Antonio

Tue 6/16

2:00 pm-9:30 pm

1 stop6h 30m

$337

PortlandSan Antonio

PWM - SAT

PWMSAT

Portland

Wed 6/10

5:30 am-10:45 am

1 stop6h 15m

San Antonio

Tue 6/16

1:20 pm-10:55 pm

2 stops8h 35m

$342

PortlandSan Antonio

PWM - SAT

PWMSAT

Portland

Mon 8/24

5:05 pm-10:55 pm

1 stop6h 50m

San Antonio

Wed 9/2

1:44 pm-11:59 pm

2 stops9h 15m

$407

ManchesterSan Antonio

MHT - SAT

MHTSAT

Manchester

Tue 8/18

1:50 pm-7:26 pm

1 stop6h 36m

San Antonio

Sat 8/22

7:05 am-2:24 pm

1 stop6h 19m

$419

ManchesterSan Antonio

MHT - SAT

MHTSAT

Manchester

Tue 8/18

9:25 am-7:53 pm

2 stops11h 28m

San Antonio

Sat 8/22

5:30 am-2:08 pm

2 stops7h 38m

$427

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 Tuesday when prices can be found for as low as $403. 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 $537.

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 morning. momondo users have found flights departing from New Hampshire to San Antonio in the morning for as low as $435. 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 at noon, with an average ticket price of $598. Departure times at noon 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 $402 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 $310 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 24m

Direct flights

Every day

Airports in San Antonio

1 airport
The fastest flight from New Hampshire to San Antonio takes 4h 24m
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

Frequently asked questions about flying from New Hampshire to San Antonio

  • 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 $256Free CancellationRating
7.1
11,621 reviews
Search American Airlines flights
United AirlinesPriceFrom $332Free CancellationRating
7.4
9,605 reviews
Search United Airlines flights
SouthwestPriceFrom $342Free CancellationRating
8.0
4,328 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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