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

Southwest, United Airlines, and Delta 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 17 per week as of June 2026. The most frequent departure day is Wed, with 18% 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 June 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.

$130 Cheap Flights from San Antonio to New Hampshire in 2026

Discover deals from 900+ travel sites with momondo.

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.

1:20 pm - 6:47 pm

SAT

BOS

4h 27mnonstop

9:00 am - 12:24 pm

BOS

SAT

4h 24mnonstop

$269Delta

Tue, Jul 14 - Tue, Jul 21

1:20 pm - 6:47 pm

SAT

BOS

4h 27mnonstop

6:05 am - 11:42 am

BOS

SAT

6h 37m

1 stop

$279Delta

Mon, Jul 13 - Fri, Jul 24

9:51 am - 9:09 am

SAT

BOS

22h 18m

1 stop

10:04 am - 8:56 am

BOS

SAT

23h 52m

1 stop

$281Frontier

Mon, Jul 20 - Thu, Jul 23

5:20 am - 1:47 pm

SAT

BOS

7h 27m

1 stop

6:05 am - 11:42 am

BOS

SAT

6h 37m

1 stop

$289Delta

Mon, Jul 13 - Fri, Jul 24

7:35 am - 4:48 pm

SAT

BOS

8h 13m

2 stops

5:38 pm - 10:51 pm

BOS

SAT

6h 13m

1 stop

$294United Airlines

Sat, Sep 19 - Wed, Sep 30

5:45 am - 1:55 pm

SAT

BOS

7h 10m

1 stop

5:15 am - 1:55 pm

BOS

SAT

9h 40m

1 stop

$298Southwest

Wed, Oct 7 - Tue, Oct 13

1:20 pm - 6:47 pm

SAT

BOS

4h 27mnonstop

9:00 am - 12:24 pm

BOS

SAT

4h 24mnonstop

$299Delta

Wed, Jul 8 - Tue, Jul 14

7:20 am - 3:15 pm

SAT

BOS

6h 55m

1 stop

5:50 am - 2:15 pm

BOS

SAT

9h 25m

2 stops

$303Southwest

Sat, Aug 8 - Thu, Aug 13

12:29 pm - 10:00 pm

SAT

PWM

8h 31m

1 stop

12:24 pm - 7:40 pm

PWM

SAT

8h 16m

1 stop

$372American Airlines

Wed, Aug 26 - Sat, Aug 29

7:28 am - 5:32 pm

SAT

PWM

9h 04m

1 stop

12:24 pm - 7:40 pm

PWM

SAT

8h 16m

1 stop

$376American Airlines

Mon, Aug 31 - Sat, Sep 5

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Delta flights from San Antonio to New Hampshire

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

Delta

Jul 14

SAT1:20 pmSan Antonio

4h 27m

BOS6:47 pmBoston Logan Intl

Jul 21

BOS9:00 amBoston Logan Intl

4h 24m

SAT12:24 pmSan Antonio

$269

Delta

Jul 13

SAT1:20 pmSan Antonio

4h 27m

BOS6:47 pmBoston Logan Intl

Jul 24

BOS6:05 amBoston Logan Intl

6h 37m

1 stop

SAT11:42 amSan Antonio

$279

Delta

Jul 13

SAT5:20 amSan Antonio

7h 27m

1 stop

BOS1:47 pmBoston Logan Intl

Jul 24

BOS6:05 amBoston Logan Intl

6h 37m

1 stop

SAT11:42 amSan Antonio

$289

Southwest flights from San Antonio to New Hampshire

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

Southwest

Sep 19

SAT6:00 amSan Antonio

8h 50m

1 stop

BOS3:50 pmBoston Logan Intl

Oct 6

BOS3:45 pmBoston Logan Intl

8h 25m

2 stops

SAT11:10 pmSan Antonio

$294

Southwest

Oct 7

SAT5:45 amSan Antonio

7h 10m

1 stop

BOS1:55 pmBoston Logan Intl

Oct 13

BOS5:15 amBoston Logan Intl

9h 40m

1 stop

SAT1:55 pmSan Antonio

$298

Southwest

Aug 8

SAT7:20 amSan Antonio

6h 55m

1 stop

BOS3:15 pmBoston Logan Intl

Aug 13

BOS5:50 amBoston Logan Intl

9h 25m

2 stops

SAT2:15 pmSan Antonio

$303

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Tue 7/14

1:20 pm-6:47 pm

Nonstop4h 27m

Boston Logan Intl

Tue 7/21

9:00 am-12:24 pm

Nonstop4h 24m

$269

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Mon 7/13

1:20 pm-6:47 pm

Nonstop4h 27m

Boston Logan Intl

Fri 7/24

6:05 am-11:42 am

1 stop6h 37m

$279

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Mon 7/20

9:51 am-9:09 am

1 stop22h 18m

Boston Logan Intl

Thu 7/23

10:04 am-8:56 am

1 stop23h 52m

$281

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Mon 7/13

5:20 am-1:47 pm

1 stop7h 27m

Boston Logan Intl

Fri 7/24

6:05 am-11:42 am

1 stop6h 37m

$289

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Sat 9/19

7:35 am-4:48 pm

2 stops8h 13m

Boston Logan Intl

Wed 9/30

5:38 pm-10:51 pm

1 stop6h 13m

$294

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Wed 10/7

5:45 am-1:55 pm

1 stop7h 10m

Boston Logan Intl

Tue 10/13

5:15 am-1:55 pm

1 stop9h 40m

$298

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Wed 7/8

1:20 pm-6:47 pm

Nonstop4h 27m

Boston Logan Intl

Tue 7/14

9:00 am-12:24 pm

Nonstop4h 24m

$299

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Sat 8/8

7:20 am-3:15 pm

1 stop6h 55m

Boston Logan Intl

Thu 8/13

5:50 am-2:15 pm

2 stops9h 25m

$303

San AntonioPortland

SAT - PWM

SATPWM

San Antonio

Wed 8/26

12:29 pm-10:00 pm

1 stop8h 31m

Portland

Sat 8/29

12:24 pm-7:40 pm

1 stop8h 16m

$372

San AntonioPortland

SAT - PWM

SATPWM

San Antonio

Mon 8/31

7:28 am-5:32 pm

1 stop9h 04m

Portland

Sat 9/5

12:24 pm-7:40 pm

1 stop8h 16m

$376

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 March is another great option to travel to New Hampshire, with average flight prices from San Antonio averaging around $0.

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 Tuesday when prices can be found for as low as $448. 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 Monday, with ticket prices averaging around $554.

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 $472. 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 $637. 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 from San Antonio 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 $414 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 $336 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 06m
Direct flights	Every day
Airports in New Hampshire	52 airports

The fastest flight from San Antonio to New Hampshire takes 4h 06m

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

Frequently asked questions about flying from San Antonio to New Hampshire

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 June 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
Southwest	PriceFrom $344	Free Cancellation	Rating 7.9 4,242 reviews		Search Southwest flights
American Airlines	PriceFrom $360	Free Cancellation	Rating 7.1 11,726 reviews		Search American Airlines 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.