What is the cheapest airline that flies from San Antonio to New Hampshire?

United Airlines, Delta, and Southwest are the most popular carriers operating from San Antonio to New Hampshire

How many flights depart from San Antonio to New Hampshire on average per week?

The number of flights available between San Antonio and New Hampshire is 24 per week as of March 2026. The most frequent departure day is Tue, with 17% of weekly flights leaving on this day.

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?

As of March 2026, there are 6 operators available to choose from 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.

$100 Cheap Flights from San Antonio to New Hampshire in 2026

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Find the cheapest flights from San Antonio to New Hampshire

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 11:57 pm

SAT

BOS

16h 57m

1 stop

8:44 am - 8:15 am

BOS

SAT

24h 31m

1 stop

$299Multiple Airlines

Thu, Apr 30 - Wed, May 6

10:22 am - 11:59 pm

SAT

BOS

12h 37m

1 stop

5:45 am - 9:27 am

BOS

SAT

28h 42m

1 stop

$300Spirit Airlines

Wed, Apr 1 - Mon, Apr 6

1:51 pm - 10:29 am

SAT

BOS

19h 38m

1 stop

6:30 pm - 11:51 pm

BOS

SAT

30h 21m

1 stop

$309Multiple Airlines

Mon, Apr 20 - Tue, Apr 28

6:49 am - 2:14 pm

SAT

PWM

6h 25m

1 stop

4:50 pm - 10:54 pm

PWM

SAT

7h 04m

1 stop

$337United Airlines

Tue, May 12 - Wed, May 13

11:50 am - 11:24 pm

SAT

PWM

10h 34m

2 stops

1:12 pm - 8:30 pm

PWM

SAT

8h 18m

1 stop

$342Delta

Tue, Apr 21 - Sat, Apr 25

12:26 pm - 12:46 am

SAT

PWM

11h 20m

2 stops

1:23 pm - 11:08 pm

PWM

SAT

10h 45m

2 stops

$347Delta

Tue, Apr 21 - Sat, Apr 25

4:30 pm - 11:25 pm

SAT

PWM

5h 55m

1 stop

2:50 pm - 10:15 pm

PWM

SAT

8h 25m

1 stop

$377Southwest

Thu, Apr 16 - Thu, Apr 23

5:45 am - 12:20 pm

SAT

PWM

5h 35m

1 stop

4:50 pm - 10:15 pm

PWM

SAT

6h 25m

1 stop

$385Southwest

Tue, May 19 - Thu, May 28

9:20 am - 4:54 pm

SAT

MHT

6h 34m

1 stop

7:38 am - 1:40 pm

MHT

SAT

7h 02m

1 stop

$457American Airlines

Wed, Aug 19 - Mon, Aug 24

6:49 am - 6:56 pm

SAT

MHT

11h 07m

2 stops

2:36 pm - 8:35 pm

MHT

SAT

6h 59m

1 stop

$470United Airlines

Tue, May 12 - Wed, May 13

Southwest flights from San Antonio to New Hampshire

Our best Southwest deals on San Antonio to New Hampshire flight tickets

Southwest

May 9

SAT7:40 amSan Antonio

8h 40m

1 stop

BOS5:20 pmBoston Logan Intl

May 15

BOS5:50 pmBoston Logan Intl

6h 40m

1 stop

SAT11:30 pmSan Antonio

$305

Southwest

May 4

SAT3:20 pmSan Antonio

8h 30m

1 stop

BOS12:50 amBoston Logan Intl

May 8

BOS4:45 pmBoston Logan Intl

7h 45m

2 stops

SAT11:30 pmSan Antonio

$364

Southwest

Apr 16

SAT4:30 pmSan Antonio

5h 55m

1 stop

PWM11:25 pmPortland

Apr 23

PWM2:50 pmPortland

8h 25m

1 stop

SAT10:15 pmSan Antonio

$377

Spirit Airlines flights from San Antonio to New Hampshire

Our best Spirit Airlines deals on San Antonio to New Hampshire flight tickets

Spirit Airlines

Apr 1

SAT10:22 amSan Antonio

12h 37m

1 stop

BOS11:59 pmBoston Logan Intl

Apr 6

BOS5:45 amBoston Logan Intl

28h 42m

1 stop

SAT9:27 amSan Antonio

$300

Spirit Airlines

Apr 18

SAT6:00 amSan Antonio

16h 57m

1 stop

BOS11:57 pmBoston Logan Intl

Apr 22

BOS8:16 pmBoston Logan Intl

28h 35m

1 stop

SAT11:51 pmSan Antonio

$310

Spirit Airlines

Apr 8

SAT10:22 amSan Antonio

12h 37m

1 stop

BOS11:59 pmBoston Logan Intl

Apr 13

BOS5:49 pmBoston Logan Intl

19h 38m

2 stops

SAT12:27 pmSan Antonio

$314

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Thu 4/30

6:00 am-11:57 pm

1 stop16h 57m

Boston Logan Intl

Wed 5/6

8:44 am-8:15 am

1 stop24h 31m

$299

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Wed 4/1

10:22 am-11:59 pm

1 stop12h 37m

Boston Logan Intl

Mon 4/6

5:45 am-9:27 am

1 stop28h 42m

$300

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Mon 4/20

1:51 pm-10:29 am

1 stop19h 38m

Boston Logan Intl

Tue 4/28

6:30 pm-11:51 pm

1 stop30h 21m

$309

San AntonioPortland

SAT - PWM

SATPWM

San Antonio

Tue 5/12

6:49 am-2:14 pm

1 stop6h 25m

Portland

Wed 5/13

4:50 pm-10:54 pm

1 stop7h 04m

$337

San AntonioPortland

SAT - PWM

SATPWM

San Antonio

Tue 4/21

11:50 am-11:24 pm

2 stops10h 34m

Portland

Sat 4/25

1:12 pm-8:30 pm

1 stop8h 18m

$342

San AntonioPortland

SAT - PWM

SATPWM

San Antonio

Tue 4/21

12:26 pm-12:46 am

2 stops11h 20m

Portland

Sat 4/25

1:23 pm-11:08 pm

2 stops10h 45m

$347

San AntonioPortland

SAT - PWM

SATPWM

San Antonio

Thu 4/16

4:30 pm-11:25 pm

1 stop5h 55m

Portland

Thu 4/23

2:50 pm-10:15 pm

1 stop8h 25m

$377

Quickest round-trip

San AntonioPortland

SAT - PWM

SATPWM

San Antonio

Tue 5/19

5:45 am-12:20 pm

1 stop5h 35m

Portland

Thu 5/28

4:50 pm-10:15 pm

1 stop6h 25m

$385

San AntonioManchester

SAT - MHT

SATMHT

San Antonio

Wed 8/19

9:20 am-4:54 pm

1 stop6h 34m

Manchester

Mon 8/24

7:38 am-1:40 pm

1 stop7h 02m

$457

San AntonioManchester

SAT - MHT

SATMHT

San Antonio

Tue 5/12

6:49 am-6:56 pm

2 stops11h 07m

Manchester

Wed 5/13

2:36 pm-8:35 pm

1 stop6h 59m

$470

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 $319.

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 $366. 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 $538.

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 $381. 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 $580. 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 $375 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 $280 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	4h 00m
Direct flights	Every day
Airports in New Hampshire	52 airports

The fastest flight from San Antonio to New Hampshire takes 4h 00m

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?
As of March 2026, there are 6 operators available to choose from 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 Airlines	PriceFrom $342	Free Cancellation	Rating 7.1 11,488 reviews		Search American Airlines flights
Southwest	PriceFrom $344	Free Cancellation	Rating 8.0 4,324 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.