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Cheap flights from San Antonio to New Hampshire from $70

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to New Hampshire departing on 3/31. 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 San Antonio to New Hampshire

Cheap round-trip flights

Enter your travel dates to find the best prices.
Spirit Airlines Logo
10:26 am - 11:44 pm
SAT
-
BOS
12h 18m
1 stop
Spirit Airlines Logo
4:22 pm - 11:59 pm
BOS
-
SAT
8h 37m
1 stop
$132Spirit Airlines
Tue, Mar 3 - Thu, Mar 5
Spirit Airlines Logo
6:00 am - 11:44 pm
SAT
-
BOS
16h 44m
2 stops
Spirit Airlines Logo
4:22 pm - 11:59 pm
BOS
-
SAT
8h 37m
1 stop
$139Spirit Airlines
Tue, Mar 3 - Thu, Mar 5
Spirit Airlines Logo
10:26 am - 11:44 pm
SAT
-
BOS
12h 18m
1 stop
Spirit Airlines Logo
4:22 pm - 11:59 pm
BOS
-
SAT
8h 37m
1 stop
$149Spirit Airlines
Thu, Feb 26 - Mon, Mar 2
Multiple Airlines Logo
5:08 pm - 1:13 am
SAT
-
BOS
7h 05m
1 stop
Multiple Airlines Logo
4:22 pm - 11:59 pm
BOS
-
SAT
8h 37m
1 stop
$153Multiple Airlines
Mon, Mar 2 - Mon, Mar 9
Multiple Airlines Logo
5:08 pm - 4:45 pm
SAT
-
BOS
22h 37m
2 stops
Multiple Airlines Logo
6:10 pm - 9:30 am
BOS
-
SAT
16h 20m
1 stop
$174Multiple Airlines
Mon, Mar 2 - Mon, Mar 9
Delta Logo
2:00 pm - 11:23 pm
SAT
-
PWM
8h 23m
1 stop
Delta Logo
2:51 pm - 9:49 pm
PWM
-
SAT
7h 58m
1 stop
$367Delta
Tue, Apr 28 - Sat, May 2
Delta Logo
12:26 pm - 11:24 pm
SAT
-
PWM
9h 58m
2 stops
Delta Logo
4:42 pm - 11:08 pm
PWM
-
SAT
7h 26m
1 stop
$372Delta
Tue, Apr 28 - Wed, Apr 29
Southwest Logo
5:45 am - 2:50 pm
SAT
-
PWM
8h 05m
1 stop
Southwest Logo
5:30 am - 3:00 pm
PWM
-
SAT
10h 30m
2 stops
$383Southwest
Wed, Mar 4 - Sun, Mar 8
American Airlines Logo
6:24 am - 3:29 pm
SAT
-
MHT
8h 05m
1 stop
American Airlines Logo
5:02 pm - 10:55 pm
MHT
-
SAT
6h 53m
1 stop
$485American Airlines
Wed, Mar 11 - Sun, Mar 15
American Airlines Logo
2:35 pm - 10:57 pm
SAT
-
MHT
7h 22m
1 stop
American Airlines Logo
12:21 pm - 7:55 pm
MHT
-
SAT
8h 34m
1 stop
$557American Airlines
Tue, Feb 17 - Sat, Feb 21

Spirit Airlines flights from San Antonio to New Hampshire

Our best Spirit Airlines deals on San Antonio to New Hampshire flight tickets
Spirit Airlines
Mar 3
SAT10:26 amSan Antonio
12h 18m
1 stop
BOS11:44 pmBoston Logan Intl
Mar 5
BOS4:22 pmBoston Logan Intl
8h 37m
1 stop
SAT11:59 pmSan Antonio
$132
Spirit Airlines
Mar 3
SAT6:00 amSan Antonio
16h 44m
2 stops
BOS11:44 pmBoston Logan Intl
Mar 5
BOS4:22 pmBoston Logan Intl
8h 37m
1 stop
SAT11:59 pmSan Antonio
$139
Spirit Airlines
Feb 26
SAT10:26 amSan Antonio
12h 18m
1 stop
BOS11:44 pmBoston Logan Intl
Mar 2
BOS4:22 pmBoston Logan Intl
8h 37m
1 stop
SAT11:59 pmSan Antonio
$149

Frontier flights from San Antonio to New Hampshire

Our best Frontier deals on San Antonio to New Hampshire flight tickets
Frontier
Feb 27
SAT5:04 pmSan Antonio
7h 09m
1 stop
BOS1:13 amBoston Logan Intl
Mar 2
BOS6:00 amBoston Logan Intl
11h 20m
1 stop
SAT4:20 pmSan Antonio
$214
Frontier
Feb 6
SAT6:13 pmSan Antonio
6h 00m
1 stop
BOS1:13 amBoston Logan Intl
Feb 9
BOS6:00 amBoston Logan Intl
12h 03m
1 stop
SAT5:03 pmSan Antonio
$281
Frontier
Feb 14
SAT1:57 pmSan Antonio
18h 09m
1 stop
BOS9:06 amBoston Logan Intl
Feb 16
BOS6:00 amBoston Logan Intl
11h 18m
1 stop
SAT4:18 pmSan Antonio
$289

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to New Hampshire 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 February 3, 2026.
Use the filters below to find and compare flights from San Antonio to New Hampshire that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Tue 3/3

10:26 am-11:44 pm

1 stop12h 18m

Boston Logan Intl

Thu 3/5

4:22 pm-11:59 pm

1 stop8h 37m

$132

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Tue 3/3

6:00 am-11:44 pm

2 stops16h 44m

Boston Logan Intl

Thu 3/5

4:22 pm-11:59 pm

1 stop8h 37m

$139

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Thu 2/26

10:26 am-11:44 pm

1 stop12h 18m

Boston Logan Intl

Mon 3/2

4:22 pm-11:59 pm

1 stop8h 37m

$149

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Mon 3/2

5:08 pm-1:13 am

1 stop7h 05m

Boston Logan Intl

Mon 3/9

4:22 pm-11:59 pm

1 stop8h 37m

$153

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Mon 3/2

5:08 pm-4:45 pm

2 stops22h 37m

Boston Logan Intl

Mon 3/9

6:10 pm-9:30 am

1 stop16h 20m

$174

San AntonioPortland

SAT - PWM

SATPWM

San Antonio

Tue 4/28

2:00 pm-11:23 pm

1 stop8h 23m

Portland

Sat 5/2

2:51 pm-9:49 pm

1 stop7h 58m

$367

San AntonioPortland

SAT - PWM

SATPWM

San Antonio

Tue 4/28

12:26 pm-11:24 pm

2 stops9h 58m

Portland

Wed 4/29

4:42 pm-11:08 pm

1 stop7h 26m

$372

San AntonioPortland

SAT - PWM

SATPWM

San Antonio

Wed 3/4

5:45 am-2:50 pm

1 stop8h 05m

Portland

Sun 3/8

5:30 am-3:00 pm

2 stops10h 30m

$383

San AntonioManchester

SAT - MHT

SATMHT

San Antonio

Wed 3/11

6:24 am-3:29 pm

1 stop8h 05m

Manchester

Sun 3/15

5:02 pm-10:55 pm

1 stop6h 53m

$485

San AntonioManchester

SAT - MHT

SATMHT

San Antonio

Tue 2/17

2:35 pm-10:57 pm

1 stop7h 22m

Manchester

Sat 2/21

12:21 pm-7:55 pm

1 stop8h 34m

$557

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 New Hampshire from

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

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 New Hampshire?

The month of September is another great option to travel to New Hampshire, with average flight prices from San Antonio averaging around $313.

What is the cheapest day to depart on your flight to New Hampshire?

The cheapest day to depart on your flight to New Hampshire is on a Thursday when prices can be found for as low as $354. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to New Hampshire is Sunday, with ticket prices averaging around $579.

What is the cheapest time of day to depart on your flight to New Hampshire?

According to our data, the cheapest time of day to fly to New Hampshire is at noon. momondo users have found flights departing from San Antonio to New Hampshire at noon for as low as $380. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the morning because they tend to be around $571. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to New Hampshire?

You are more likely to see cheaper flights to New Hampshire from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to New Hampshire for around $370 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to New Hampshire from San Antonio for as low as $295 on momondo.

Cheap San Antonio to New Hampshire flight deals and tips

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

Fastest flight time

3h 52m

Direct flights

Every day

Airports in New Hampshire

52 airports
The fastest flight from San Antonio to New Hampshire takes 3h 52m
Direct flights go from San Antonio to New Hampshire every day.
There are 52 airports in New Hampshire. From San Antonio there are direct flights to Boston Logan Intl (BOS).
Search flight deals

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

    Prices for flights from San Antonio Airport to New Hampshire are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Antonio Airport to New Hampshire.

  • What documentation or ID do you need to fly to New Hampshire?

    The necessary travel and health documents for your New Hampshire trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from San Antonio to New Hampshire

Compare and see reviews for airlines that fly from San Antonio to New Hampshire with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $342Free CancellationRating
7.2
11,216 reviews
Search American Airlines flights
SouthwestPriceFrom $379Free CancellationRating
8.0
4,272 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from San Antonio to New Hampshire?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Antonio to New Hampshire for you.

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

Yes. All flights to New Hampshire from San Antonio on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to New Hampshire from San Antonio.

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

If you are simply researching potential flights to New Hampshire, momondo offers a useful price alert feature which will track prices for flights to New Hampshire from San Antonio and alert you when they change.

An easier way to manage your New Hampshire trip

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