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$46+ 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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — SAT
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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 October 30, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$307
(Mytrip)

One-way from

$46
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$449
Provider with most accurate pricing for Boston Logan Intl-San Antonio flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-San Antonio flights.
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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. 3% potential increase in price ($15 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 October 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 October 30, 2025.

This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/153:55 pmBOS - SAT
3 stops27h 37mSpirit Airlines
Tue 11/186:45 amSAT - BOS
3 stops33h 46mSpirit Airlines
Deal found 10/29$307
This Delta deal was found by Cheapflights users on 10/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/59:20 amBOS - SAT
Nonstop4h 57mDelta
Wed 12/108:00 amSAT - BOS
1 stop6h 41mDelta
Deal found 10/30$309
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 12/58:28 amBOS - SAT
2 stops11h 32mMultiple Airlines
Sat 12/63:10 pmSAT - BOS
1 stop17h 17mMultiple Airlines
Deal found 10/30$310
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Mon 12/85:45 amBOS - SAT
1 stop18h 41mMultiple Airlines
Wed 12/106:10 pmSAT - BOS
2 stops15h 12mMultiple Airlines
Deal found 10/30$311
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/186:00 amBOS - SAT
3 stops29h 03mSpirit Airlines
Wed 11/197:37 pmSAT - BOS
3 stops24h 12mSpirit Airlines
Deal found 10/29$313
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/156:16 amBOS - SAT
1 stop13h 16mSpirit Airlines
Sun 11/167:37 pmSAT - BOS
3 stops25h 45mSpirit Airlines
Deal found 10/29$314
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 11/149:46 amPWM - SAT
1 stop25h 17mMultiple Airlines
Tue 11/1810:58 amSAT - PWM
1 stop22h 38mMultiple Airlines
Deal found 10/30$314
This Mytrip deal was found by Cheapflights users on 10/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/205:45 amBOS - SAT
1 stop13h 47mSpirit Airlines
Sun 11/238:33 pmSAT - BOS
3 stops24h 26mSpirit Airlines
Deal found 10/30$315
This Mytrip deal was found by Cheapflights users on 10/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/145:45 amBOS - SAT
1 stop18h 41mSpirit Airlines
Fri 12/262:39 pmSAT - BOS
1 stop8h 18mSpirit Airlines
Deal found 10/28$316
This Delta deal was found by Cheapflights users on 10/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/168:00 amBOS - SAT
1 stop6h 43mDelta
Mon 12/224:06 pmSAT - BOS
1 stop6h 51mDelta
Deal found 10/30$319
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/811:08 amBOS - SAT
2 stops13h 18mSpirit Airlines
Fri 12/121:55 pmSAT - BOS
3 stops28h 11mSpirit Airlines
Deal found 10/29$320
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Sat 11/159:23 amBOS - SAT
1 stop8h 47mMultiple Airlines
Sun 11/167:37 pmSAT - BOS
1 stop27h 22mMultiple Airlines
Deal found 10/29$321

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 October 30, 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

Fri 12/5

12:10 pm-8:23 pm

1 stop9h 13m

San Antonio

Thu 12/11

2:15 pm-7:18 pm

Nonstop4h 03m

$309

BostonSan Antonio

BOS - SAT

BOSSAT

Boston Logan Intl

Fri 1/16

6:00 am-12:24 pm

1 stop7h 24m

San Antonio

Tue 1/20

12:15 pm-6:57 pm

1 stop5h 42m

$309

BostonSan Antonio

BOS - SAT

BOSSAT

Boston Logan Intl

Sat 1/17

7:00 am-11:09 am

Nonstop5h 09m

San Antonio

Wed 1/21

4:29 pm-1:04 am

1 stop7h 35m

$309

BostonSan Antonio

BOS - SAT

BOSSAT

Boston Logan Intl

Wed 12/3

9:20 am-1:17 pm

Nonstop4h 57m

San Antonio

Mon 12/8

11:51 am-8:00 pm

1 stop7h 09m

$309

BostonSan Antonio

BOS - SAT

BOSSAT

Boston Logan Intl

Wed 12/3

9:20 am-1:17 pm

Nonstop4h 57m

San Antonio

Sun 12/7

4:35 pm-11:55 pm

1 stop6h 20m

$309

BostonSan Antonio

BOS - SAT

BOSSAT

Boston Logan Intl

Wed 12/3

9:20 am-1:17 pm

Nonstop4h 57m

San Antonio

Sat 12/6

8:00 am-3:41 pm

1 stop6h 41m

$309

BostonSan Antonio

BOS - SAT

BOSSAT

Boston Logan Intl

Tue 12/2

5:29 am-10:56 am

1 stop6h 27m

San Antonio

Wed 12/10

2:15 pm-7:18 pm

Nonstop4h 03m

$309

BostonSan Antonio

BOS - SAT

BOSSAT

Boston Logan Intl

Sun 12/7

9:20 am-1:17 pm

Nonstop4h 57m

San Antonio

Sat 12/13

3:30 pm-1:27 am

1 stop8h 57m

$309

BostonSan Antonio

BOS - SAT

BOSSAT

Boston Logan Intl

Wed 12/17

9:20 am-1:17 pm

Nonstop4h 57m

San Antonio

Mon 12/22

6:22 pm-1:07 am

1 stop5h 45m

$309

BostonSan Antonio

BOS - SAT

BOSSAT

Boston Logan Intl

Thu 12/4

8:00 am-3:47 pm

1 stop8h 47m

San Antonio

Sat 12/6

2:01 pm-7:04 pm

Nonstop4h 03m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 45 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 $186). Flying from New Hampshire to San Antonio in April is currently the most expensive (average of $366). 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 October 30, 2025.

A simple way to save on the total cost of your ticket is to fly from New Hampshire to San Antonio in the evening. If you’re flexible enough to do this you can expect to save up to 60% on your trip compared to booking a flight at noon.

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 $351, Delta can have you in San Antonio from New Hampshire in 7h 20m. The distance between New Hampshire and San Antonio is about 1755 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    While some choose either Portland - San Antonio or Manchester - 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 $186). Flying from New Hampshire to San Antonio in April is currently the most expensive (average of $366). 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 3 airlines flying from New Hampshire to San Antonio

Discover the top 3 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$326Average$484FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$332Average$394FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$351Average$443FlexibilityNo cancel feeOn-time63%

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