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$89+ Cheap flights from New Hampshire to San Antonio (SAT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — SAT
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from New Hampshire to San Antonio

Keep the following information in mind while searching for New Hampshire to San Antonio flight deals. Data was last updated September 16, 2025.

Round-trip from

$270
(KAYAK)

One-way from

$89
(Frontier)

Popular in

December

Cheapest in

January

Average price

$337
From New Hampshire to San Antonio
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One-way flight from New Hampshire to San Antonio
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Highest demand for flights based on searches. 4% potential increase in price ($17 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from New Hampshire to San Antonio

Cheapest flights from New Hampshire to San Antonio
Explore the most affordable flight options available from New Hampshire to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This KAYAK deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/25:16 amBOS - SAT
1 stop13h 14mSpirit Airlines
Mon 11/37:35 pmSAT - BOS
1 stop14h 41mSpirit Airlines
Deal found 9/14$270
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/223:00 pmBOS - SAT
2 stops25h 50mSpirit Airlines
Fri 10/317:35 pmSAT - BOS
1 stop14h 41mSpirit Airlines
Deal found 9/15$272
This Frontier deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2910:53 amBOS - SAT
1 stop6h 37mFrontier
Thu 10/211:33 amSAT - BOS
2 stops19h 19mFrontier
Deal found 9/15$275
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/58:47 amBOS - SAT
2 stops32h 43mMultiple Airlines
Fri 10/107:35 pmSAT - BOS
1 stop27h 24mMultiple Airlines
Deal found 9/15$276
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/238:31 amBOS - SAT
2 stops32h 19mMultiple Airlines
Mon 10/277:35 pmSAT - BOS
1 stop14h 41mMultiple Airlines
Deal found 9/14$279
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/316:16 amBOS - SAT
1 stop13h 14mMultiple Airlines
Sun 11/24:55 pmSAT - BOS
2 stops17h 40mMultiple Airlines
Deal found 9/14$280
This KAYAK deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/166:16 amBOS - SAT
1 stop13h 14mSpirit Airlines
Mon 10/207:35 pmSAT - BOS
2 stops16h 45mSpirit Airlines
Deal found 9/14$281
This Frontier deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2910:53 amBOS - SAT
1 stop6h 37mFrontier
Fri 10/35:40 pmSAT - BOS
1 stop13h 03mFrontier
Deal found 9/14$282
This KAYAK deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/95:45 amBOS - SAT
2 stops24h 24mSpirit Airlines
Fri 12/124:16 pmSAT - BOS
1 stop17h 08mSpirit Airlines
Deal found 9/14$283
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/55:45 amBOS - SAT
1 stop10h 26mSpirit Airlines
Sun 11/94:16 pmSAT - BOS
2 stops24h 46mSpirit Airlines
Deal found 9/14$284
This KAYAK deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/276:16 amBOS - SAT
1 stop13h 14mSpirit Airlines
Sun 11/27:35 pmSAT - BOS
1 stop14h 41mSpirit Airlines
Deal found 9/14$285
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/25:16 amBOS - SAT
1 stop13h 14mSpirit Airlines
Tue 11/114:16 pmSAT - BOS
2 stops21h 40mSpirit Airlines
Deal found 9/14$287

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from New Hampshire to San Antonio that are best for you.

Fly from

New Hampshire

Fly to

San Antonio

Route

Depart

Return

Price

BostonSan Antonio

BOS - SAT

BOSSAT

Boston Logan Intl

Tue 10/28

5:30 am-10:55 am

1 stop6h 25m

San Antonio

Wed 11/5

2:30 pm-9:35 pm

1 stop6h 05m

$297

BostonSan Antonio

BOS - SAT

BOSSAT

Boston Logan Intl

Sat 10/25

9:15 am-12:55 pm

Nonstop4h 40m

San Antonio

Sat 11/1

1:50 pm-7:00 pm

Nonstop4h 10m

$299

BostonSan Antonio

BOS - SAT

BOSSAT

Boston Logan Intl

Wed 10/22

5:30 am-12:00 pm

2 stops7h 30m

San Antonio

Wed 11/5

8:20 am-5:20 pm

2 stops8h 00m

$307

BostonSan Antonio

BOS - SAT

BOSSAT

Boston Logan Intl

Tue 10/28

5:15 am-10:30 am

1 stop6h 15m

San Antonio

Thu 10/30

5:15 am-12:20 pm

1 stop6h 05m

$308

BostonSan Antonio

BOS - SAT

BOSSAT

Boston Logan Intl

Wed 10/22

9:15 am-12:55 pm

Nonstop4h 40m

San Antonio

Mon 10/27

5:09 pm-1:13 am

1 stop7h 04m

$309

BostonSan Antonio

BOS - SAT

BOSSAT

Boston Logan Intl

Sun 12/7

5:29 am-10:55 am

1 stop6h 26m

San Antonio

Sat 12/13

2:00 pm-7:06 pm

Nonstop4h 06m

$309

BostonSan Antonio

BOS - SAT

BOSSAT

Boston Logan Intl

Sat 11/15

10:15 am-6:16 pm

1 stop9h 01m

San Antonio

Tue 11/18

2:00 pm-6:59 pm

Nonstop3h 59m

$309

BostonSan Antonio

BOS - SAT

BOSSAT

Boston Logan Intl

Sat 11/8

6:22 pm-12:20 am

1 stop6h 58m

San Antonio

Tue 11/18

2:00 pm-6:59 pm

Nonstop3h 59m

$309

BostonSan Antonio

BOS - SAT

BOSSAT

Boston Logan Intl

Wed 10/22

9:15 am-12:55 pm

Nonstop4h 40m

San Antonio

Wed 11/5

6:41 am-3:49 pm

1 stop8h 08m

$309

PortlandSan Antonio

PWM - SAT

PWMSAT

Portland

Wed 10/8

4:48 pm-10:42 pm

1 stop6h 54m

San Antonio

Sat 10/11

2:55 pm-10:19 pm

1 stop6h 24m

$317

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 49 results
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Best time to book a flight from New Hampshire to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from New Hampshire with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from New Hampshire to San Antonio

What is the cheapest month to book a flight from New Hampshire to San Antonio?

Currently, August is the cheapest month in which you can book a flight from New Hampshire to San Antonio (average of $295). Flying from New Hampshire to San Antonio in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from NH to SAT?

Find hourly flight availability from New Hampshire to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from New Hampshire to San Antonio as you normally would.

Related info for your journey

Find useful and relevant information for your journey from New Hampshire to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Antonio from New Hampshire?

    If you book a flight to San Antonio from New Hampshire, you will be flying to San Antonio, which is the city’s only airport. San Antonio (SAT) is located 7.6 mi from the center of San Antonio.

  • How long is the flight from New Hampshire to San Antonio?

    For as low as $299, Southwest can have you in San Antonio from New Hampshire in 4h 40m. The distance between New Hampshire and San Antonio is about 1761 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from New Hampshire to San Antonio one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $89. However, be on the lookout for offers from Spirit Airlines and American Airlines, as they are both options that can get you from New Hampshire to San Antonio for a low price.

  • What are the most popular routes from New Hampshire to San Antonio?

    While some choose either Manchester - San Antonio or Portland - San Antonio, Boston Logan Intl - San Antonio is the most popular route from New Hampshire to San Antonio.

  • Can I find deals for flights from New Hampshire to San Antonio that include hotel bookings?

    Yes. In addition to deals on New Hampshire to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from New Hampshire to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from New Hampshire to San Antonio.

  • Can I find deals for business class flights from New Hampshire to San Antonio?

    Yes. Cheapflights offers flight deals from New Hampshire to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from New Hampshire to San Antonio?

    Currently, August is the cheapest month in which you can book a flight from New Hampshire to San Antonio (average of $295). Flying from New Hampshire to San Antonio in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville

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Alternative routes for New Hampshire to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from New Hampshire to San Antonio

Discover the top 2 airlines that operate flights from New Hampshire to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$326Average$474FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$367Average$443FlexibilityNo cancel feeOn-time63%

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