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New Hampshire

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

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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — MHT
Dec 31 — Jan 71
Wed 12/31
Wed 1/7
1 adult, Economy
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Cheap flight deals from San Antonio to New Hampshire

Keep the following information in mind while searching for San Antonio to New Hampshire flight deals. Data was last updated December 1, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$277
(Southwest)

One-way from

$89
(Cheapflightsfares)

Popular in

November

Cheapest in

August

Average price

$432
Provider with most accurate pricing for San Antonio-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for San Antonio-Boston Logan Intl flights.
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From San Antonio to New Hampshire
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One-way flight from San Antonio to New Hampshire
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Highest demand for flights based on searches. 14% potential increase in price ($60 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Find flight deals from San Antonio to New Hampshire

Cheapest flights from San Antonio to New Hampshire
Explore the most affordable flight options available from San Antonio to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 1, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/30. 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.
Tue 12/2312:45 pmSAT - BOS
2 stops11h 39mMultiple Airlines
Tue 1/612:29 pmBOS - SAT
1 stop24h 21mMultiple Airlines
Deal found 11/30$301
This Kiwi.com deal was found by Cheapflights users on 11/30. 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.
Wed 12/245:56 pmSAT - BOS
1 stop6h 18mMultiple Airlines
Thu 1/111:55 amBOS - SAT
1 stop12h 31mMultiple Airlines
Deal found 11/30$305
This Kiwi.com deal was found by Cheapflights users on 11/30. 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.
Tue 12/232:39 pmSAT - BOS
1 stop8h 18mSpirit Airlines
Tue 1/612:29 pmBOS - SAT
1 stop24h 21mSpirit Airlines
Deal found 11/30$306
This Mytrip deal was found by Cheapflights users on 12/1. 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.
Wed 12/176:10 pmSAT - BOS
3 stops28h 47mSpirit Airlines
Tue 1/135:34 amBOS - SAT
2 stops19h 18mSpirit Airlines
Deal found 12/1$309
This Mytrip deal was found by Cheapflights users on 11/30. 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.
Wed 12/2412:45 pmSAT - BOS
3 stops21h 05mSpirit Airlines
Mon 1/125:34 amBOS - SAT
2 stops19h 18mSpirit Airlines
Deal found 11/30$311
This Kiwi.com deal was found by Cheapflights users on 11/30. 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 12/292:39 pmSAT - BOS
1 stop8h 18mSpirit Airlines
Tue 1/612:29 pmBOS - SAT
1 stop24h 21mSpirit Airlines
Deal found 11/30$312
This Priceline deal was found by Cheapflights users on 11/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:56 pmSAT - BOS
1 stop6h 18mFrontier
Fri 1/26:00 amBOS - SAT
1 stop12h 01mFrontier
Deal found 11/29$313
This Priceline deal was found by Cheapflights users on 11/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:56 pmSAT - BOS
1 stop6h 23mMultiple Airlines
Thu 1/111:55 amBOS - SAT
1 stop12h 31mMultiple Airlines
Deal found 11/30$316
This Kiwi.com deal was found by Cheapflights users on 11/30. 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.
Tue 12/2312:45 pmSAT - BOS
2 stops20h 23mMultiple Airlines
Wed 12/3111:55 amBOS - SAT
1 stop12h 31mMultiple Airlines
Deal found 11/30$319
This Kiwi.com deal was found by Cheapflights users on 11/30. 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.
Thu 12/2510:18 amSAT - BOS
2 stops20h 05mMultiple Airlines
Thu 1/111:55 amBOS - SAT
1 stop12h 31mMultiple Airlines
Deal found 11/30$320
This Kiwi.com deal was found by Cheapflights users on 11/30. 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.
Tue 12/2312:45 pmSAT - BOS
2 stops20h 23mMultiple Airlines
Mon 1/510:43 amBOS - SAT
1 stop7h 18mMultiple Airlines
Deal found 11/30$322
This American Airlines deal was found by Cheapflights users on 12/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:48 pmSAT - MHT
1 stop5h 57mAmerican Airlines
Mon 1/54:40 pmMHT - SAT
1 stop7h 13mAmerican Airlines
Deal found 12/1$475

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Antonio to New Hampshire 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 December 1, 2025.
Use the filters below to find and compare flights from San Antonio to New Hampshire that are best for you.

Fly from

San Antonio

Fly to

New Hampshire

Route

Depart

Return

Price

San AntonioPortland

SAT - PWM

SATPWM

San Antonio

Tue 1/6

5:45 am-12:10 pm

1 stop5h 25m

Portland

Thu 1/8

12:45 pm-11:05 pm

2 stops11h 20m

$277

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Wed 12/17

6:10 pm-11:57 pm

3 stops28h 47m

Boston Logan Intl

Tue 1/13

5:34 am-11:52 pm

2 stops19h 18m

$309

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Thu 1/22

12:25 pm-5:19 pm

Nonstop3h 54m

Boston Logan Intl

Mon 1/26

5:26 pm-12:38 am

1 stop8h 12m

$309

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Tue 1/6

12:25 pm-5:19 pm

Nonstop3h 54m

Boston Logan Intl

Mon 1/19

6:35 pm-12:38 am

1 stop7h 03m

$309

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Mon 1/5

12:25 pm-5:19 pm

Nonstop3h 54m

Boston Logan Intl

Thu 5/14

6:55 am-3:21 pm

1 stop9h 26m

$309

San AntonioPortland

SAT - PWM

SATPWM

San Antonio

Tue 1/6

12:45 pm-10:22 am

1 stop20h 37m

Portland

Sat 1/10

11:02 am-11:52 pm

1 stop13h 50m

$315

San AntonioPortland

SAT - PWM

SATPWM

San Antonio

Sat 2/14

1:10 pm-10:50 pm

1 stop8h 40m

Portland

Wed 2/25

12:17 pm-8:43 pm

1 stop9h 26m

$317

San AntonioPortland

SAT - PWM

SATPWM

San Antonio

Tue 1/27

5:30 am-12:03 pm

1 stop5h 33m

Portland

Sat 1/31

2:35 pm-10:10 pm

1 stop8h 35m

$317

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Tue 1/6

7:45 am-2:20 pm

1 stop5h 35m

Boston Logan Intl

Fri 1/16

5:10 pm-11:23 pm

1 stop7h 13m

$319

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Fri 2/27

5:25 am-12:24 pm

1 stop5h 59m

Boston Logan Intl

Sun 3/1

6:45 pm-12:34 am

1 stop6h 49m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/28

Showing 1-10 of 34 results
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Best time to book a flight from San Antonio to New Hampshire

Have a flexible travel schedule? Discover the best time to fly to New Hampshire from San Antonio 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 San Antonio to New Hampshire

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

Currently, August is the cheapest month in which you can book a flight from San Antonio to New Hampshire (average of $297). Flying from San Antonio to New Hampshire in January is currently the most expensive (average of $414). 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.

Reviews of airlines servicing New Hampshire

Get insights into the airlines that provide service to New Hampshire. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to New Hampshire. Reviews last updated December 1, 2025.
Read reviews from past customers who have flown Southwest and American Airlines from San Antonio to New Hampshire. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,253 reviews

Overall

8.0

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Southwest
8.0
Very good
4,253 reviews
Southwest
8.0
Very good
4,253 reviews

Overall

8.0

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
American Airlines
7.2
Good
11,041 reviews
Southwest
8.0
Very good
4,253 reviews

Overall

8.0

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Related info for your journey

Find useful and relevant information for your journey from San Antonio to New Hampshire. 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 from for flights from San Antonio to New Hampshire?

    For a flight from San Antonio to New Hampshire, you will be flying from San Antonio. San Antonio (SAT) is just 7.6 mi from the center of the city.

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

    A quick flight from San Antonio to New Hampshire can take about 3h 54m. Southwest provides one of the quickest options available for as low as $309. The distance from San Antonio to New Hampshire is about 1761 mi. This flight may include one or multiple stops.

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

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

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

    Most travelers choose San Antonio - Boston Logan Intl, San Antonio - Manchester or San Antonio - Portland when deciding on the best route from San Antonio to New Hampshire.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Antonio to New Hampshire 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 San Antonio to New Hampshire?

    Currently, August is the cheapest month in which you can book a flight from San Antonio to New Hampshire (average of $297). Flying from San Antonio to New Hampshire in January is currently the most expensive (average of $414). 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

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Alternative routes for San Antonio to New Hampshire

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

Discover the top 2 airlines that operate flights from San Antonio to New Hampshire. 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 December 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$344Average$440FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$379Average$486FlexibilityNo cancel feeOn-time63%

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