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

United Airlines, Breeze Airways, and American Airlines are the most popular carriers operating from San Antonio to New Hampshire

What airlines fly to New Hampshire?

Southwest, American Airlines and United Airlines are the top three most popular airlines that fly to New Hampshire from San Antonio according to our data. Southwest is the first choice among our users, with 60% of people opting to fly with this airline when traveling to New Hampshire. Keep in mind that there are 3 different airlines that fly to New Hampshire on a routine basis, so you have a few additional options to choose from.

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 November 2026, there are 3 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.

$242 Cheap Flights from San Antonio to New Hampshire in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Antonio to New Hampshire

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:45 am - 3:45 pmSAT San Antonio-MHT Manchester

8h 00m1 stop Nashville Intl

3:35 pm - 9:25 pmMHT Manchester-SAT San Antonio

6h 50m1 stop Baltimore/Washington

$363Southwest

Thu, Nov 26 - Wed, Dec 2

6:45 am - 3:45 pmSAT San Antonio-MHT Manchester

8h 00m1 stop Nashville Intl

3:35 pm - 11:10 pmMHT Manchester-SAT San Antonio

8h 35m2 stops Baltimore/Washington Nashville Intl

$368Southwest

Thu, Nov 26 - Wed, Dec 2

5:15 am - 4:35 pmSAT San Antonio-MHT Manchester

10h 20m1 stop Baltimore/Washington

7:30 am - 1:10 pmMHT Manchester-SAT San Antonio

6h 40m1 stop Chicago Midway

$368Southwest

Mon, Feb 15 - Fri, Feb 19

7:00 am - 2:03 pmSAT San Antonio-MHT Manchester

6h 03m1 stop Washington, D.C. Dulles Intl

2:38 pm - 8:49 pmMHT Manchester-SAT San Antonio

7h 11m1 stop Washington, D.C. Dulles Intl

$483United Airlines

Tue, Dec 15 - Wed, Dec 16

7:00 am - 2:03 pmSAT San Antonio-MHT Manchester

6h 03m1 stop Washington, D.C. Dulles Intl

2:38 pm - 11:04 pmMHT Manchester-SAT San Antonio

9h 26m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl

$488United Airlines

Tue, Dec 15 - Wed, Dec 16

5:15 am - 2:03 pmSAT San Antonio-MHT Manchester

7h 48m2 stops Houston George Bush Intcntl Washington, D.C. Dulles Intl

2:38 pm - 11:04 pmMHT Manchester-SAT San Antonio

9h 26m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl

$493United Airlines

Tue, Dec 15 - Wed, Dec 16

7:27 am - 4:12 pmSAT San Antonio-MHT Manchester

7h 45m1 stop Charlotte Douglas

2:27 pm - 11:03 pmMHT Manchester-SAT San Antonio

9h 36m1 stop Charlotte Douglas

$627American Airlines

Tue, Nov 17 - Sat, Nov 21

9:50 am - 6:07 pmSAT San Antonio-PSM Portsmouth Pease Intl

7h 17m1 stop Raleigh-Durham

6:47 pm - 12:18 pmPSM Portsmouth Pease Intl-SAT San Antonio

18h 31m2 stops Raleigh-Durham Memphis

$635Breeze Airways

Thu, Feb 25 - Sun, Feb 28

9:25 am - 6:07 pmSAT San Antonio-PSM Portsmouth Pease Intl

7h 42m1 stop Raleigh-Durham

6:47 pm - 11:58 amPSM Portsmouth Pease Intl-SAT San Antonio

18h 11m2 stops Raleigh-Durham Memphis

$725Breeze Airways

Thu, Dec 10 - Sun, Dec 13

9:50 am - 6:07 pmSAT San Antonio-PSM Portsmouth Pease Intl

7h 17m1 stop Raleigh-Durham

6:47 pm - 12:18 pmPSM Portsmouth Pease Intl-SAT San Antonio

18h 31m2 stops Raleigh-Durham Memphis

$739Breeze Airways

Sun, Mar 7 - Thu, Mar 11

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Southwest flights from San Antonio to New Hampshire

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

Southwest

Nov 26

SAT6:45 amSan Antonio

8h 00m

1 stop

MHT3:45 pmManchester

Dec 2

MHT3:35 pmManchester

6h 50m

1 stop

SAT9:25 pmSan Antonio

$363

Southwest

Nov 26

SAT6:45 amSan Antonio

8h 00m

1 stop

MHT3:45 pmManchester

Dec 2

MHT3:35 pmManchester

8h 35m

2 stops

SAT11:10 pmSan Antonio

$368

Southwest

Feb 15

SAT5:15 amSan Antonio

10h 20m

1 stop

MHT4:35 pmManchester

Feb 19

MHT5:00 amManchester

9h 10m

2 stops

SAT1:10 pmSan Antonio

$406

American Airlines flights from San Antonio to New Hampshire

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

American Airlines

Nov 17

SAT7:27 amSan Antonio

7h 45m

1 stop

MHT4:12 pmManchester

Nov 21

MHT2:27 pmManchester

9h 36m

1 stop

SAT11:03 pmSan Antonio

$627

American Airlines

Nov 14

SAT1:23 pmSan Antonio

7h 22m

1 stop

MHT9:45 pmManchester

Nov 15

MHT5:41 amManchester

7h 46m

1 stop

SAT12:27 pmSan Antonio

$1,047

American Airlines

Nov 14

SAT7:27 amSan Antonio

9h 47m

2 stops

MHT6:14 pmManchester

Nov 15

MHT5:41 amManchester

7h 46m

1 stop

SAT12:27 pmSan Antonio

$1,134

momondo Fare Finder

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

Cheapest round-trip

San AntonioManchester

SAT San Antonio - MHT Manchester

SATMHT

San Antonio

Thu 11/26

6:45 am-3:45 pm

1 stop8h 00m

Manchester

Wed 12/2

3:35 pm-9:25 pm

1 stop6h 50m

$363

San AntonioManchester

SAT San Antonio - MHT Manchester

SATMHT

San Antonio

Thu 11/26

6:45 am-3:45 pm

1 stop8h 00m

Manchester

Wed 12/2

3:35 pm-11:10 pm

2 stops8h 35m

$368

San AntonioManchester

SAT San Antonio - MHT Manchester

SATMHT

San Antonio

Mon 2/15

5:15 am-4:35 pm

1 stop10h 20m

Manchester

Fri 2/19

7:30 am-1:10 pm

1 stop6h 40m

$368

Quickest round-trip

San AntonioManchester

SAT San Antonio - MHT Manchester

SATMHT

San Antonio

Tue 12/15

7:00 am-2:03 pm

1 stop6h 03m

Manchester

Wed 12/16

2:38 pm-8:49 pm

1 stop7h 11m

$483

San AntonioManchester

SAT San Antonio - MHT Manchester

SATMHT

San Antonio

Tue 12/15

7:00 am-2:03 pm

1 stop6h 03m

Manchester

Wed 12/16

2:38 pm-11:04 pm

2 stops9h 26m

$488

San AntonioManchester

SAT San Antonio - MHT Manchester

SATMHT

San Antonio

Tue 12/15

5:15 am-2:03 pm

2 stops7h 48m

Manchester

Wed 12/16

2:38 pm-11:04 pm

2 stops9h 26m

$493

San AntonioManchester

SAT San Antonio - MHT Manchester

SATMHT

San Antonio

Tue 11/17

7:27 am-4:12 pm

1 stop7h 45m

Manchester

Sat 11/21

2:27 pm-11:03 pm

1 stop9h 36m

$627

San AntonioPortsmouth

SAT San Antonio - PSM Portsmouth Pease Intl

SATPSM

San Antonio

Thu 2/25

9:50 am-6:07 pm

1 stop7h 17m

Portsmouth Pease Intl

Sun 2/28

6:47 pm-12:18 pm

2 stops18h 31m

$635

San AntonioPortsmouth

SAT San Antonio - PSM Portsmouth Pease Intl

SATPSM

San Antonio

Thu 12/10

9:25 am-6:07 pm

1 stop7h 42m

Portsmouth Pease Intl

Sun 12/13

6:47 pm-11:58 am

2 stops18h 11m

$725

San AntonioPortsmouth

SAT San Antonio - PSM Portsmouth Pease Intl

SATPSM

San Antonio

Sun 3/7

9:50 am-6:07 pm

1 stop7h 17m

Portsmouth Pease Intl

Thu 3/11

6:47 pm-12:18 pm

2 stops18h 31m

$739

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

What is the cheapest month to fly to New Hampshire?

The month of August is another great option to travel to New Hampshire, with average flight prices from San Antonio averaging around $373.

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 $434. 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 $568.

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 $444. 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 $657. 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 $419 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 $331 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

Best Price Found	$242
Fastest flight time	3h 59m
Direct flights	None

The best one-way flight to New Hampshire from San Antonio in the past 72 hours is $242. The best round-trip flight deal from San Antonio to New Hampshire found on momondo in the last 72 hours is $363.

The fastest flight from San Antonio to New Hampshire takes 3h 59m

There are no direct flights from San Antonio to New Hampshire. There are no popular flight routes from San Antonio to New Hampshire.

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 November 2026, there are 3 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 $298	Free Cancellation	Rating 8.0 4,212 reviews	Search Southwest flights
United Airlines	PriceFrom $335	Free Cancellation	Rating 7.3 10,465 reviews	Search United Airlines flights
American Airlines	PriceFrom $342	Free Cancellation	Rating 7.0 12,230 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.