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New Hampshire

$92+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — MHT
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
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 September 16, 2025.

Round-trip from

$259
(Kiwi.com)

One-way from

$92
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$299
From San Antonio to New Hampshire
Search Deals
One-way flight from San Antonio to New Hampshire
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Highest demand for flights based on searches. 6% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 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 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 September 16, 2025.

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.
Fri 11/74:16 pmSAT - BOS
2 stops21h 40mSpirit Airlines
Tue 11/185:45 amBOS - SAT
1 stop10h 26mSpirit Airlines
Deal found 9/15$259
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.
Mon 11/105:35 pmSAT - BOS
2 stops30h 05mMultiple Airlines
Sat 11/155:45 amBOS - SAT
1 stop10h 26mMultiple Airlines
Deal found 9/15$260
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 11/184:16 pmSAT - BOS
1 stop7h 24mSpirit Airlines
Tue 12/26:15 amBOS - SAT
1 stop17h 12mSpirit Airlines
Deal found 9/14$262
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.
Mon 10/137:35 pmSAT - BOS
1 stop27h 24mSpirit Airlines
Mon 10/206:16 amBOS - SAT
1 stop13h 14mSpirit Airlines
Deal found 9/15$264
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 10/307:35 pmSAT - BOS
1 stop14h 41mSpirit Airlines
Mon 11/36:16 amBOS - SAT
1 stop13h 14mSpirit Airlines
Deal found 9/14$265
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 11/54:16 pmSAT - BOS
2 stops15h 44mMultiple Airlines
Mon 11/179:55 amBOS - SAT
1 stop7h 45mMultiple Airlines
Deal found 9/15$268
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 10/57:35 pmSAT - BOS
1 stop14h 51mSpirit Airlines
Sat 10/1812:31 pmBOS - SAT
1 stop30h 59mSpirit Airlines
Deal found 9/14$269
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.
Fri 11/74:16 pmSAT - BOS
2 stops21h 40mSpirit Airlines
Wed 11/195:45 amBOS - SAT
1 stop10h 26mSpirit Airlines
Deal found 9/15$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.
Fri 10/107:35 pmSAT - BOS
1 stop27h 24mSpirit Airlines
Sun 10/196:16 amBOS - SAT
1 stop13h 14mSpirit Airlines
Deal found 9/15$272
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.
Fri 10/177:35 pmSAT - BOS
1 stop14h 51mSpirit Airlines
Sun 10/196:16 amBOS - SAT
1 stop13h 14mSpirit Airlines
Deal found 9/15$273
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.
Mon 10/67:35 pmSAT - BOS
1 stop14h 51mSpirit Airlines
Wed 10/153:00 pmBOS - SAT
2 stops25h 50mSpirit Airlines
Deal found 9/14$275
This Expedia deal was found by Cheapflights users on 9/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:00 amSAT - BOS
2 stops17h 40mSpirit Airlines
Sat 11/85:45 amBOS - SAT
1 stop10h 26mSpirit Airlines
Deal found 9/16$276

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 September 16, 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 AntonioBoston

SAT - BOS

SATBOS

San Antonio

Fri 1/9

2:00 pm-7:02 pm

Nonstop4h 02m

Boston Logan Intl

Wed 1/14

9:15 am-1:15 pm

Nonstop5h 00m

$299

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Fri 2/27

2:00 pm-7:02 pm

Nonstop4h 02m

Boston Logan Intl

Mon 3/2

9:15 am-1:15 pm

Nonstop5h 00m

$299

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Sat 11/8

1:50 pm-7:00 pm

Nonstop4h 10m

Boston Logan Intl

Mon 11/17

6:10 am-5:04 pm

1 stop11h 54m

$309

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Wed 10/15

4:35 pm-11:49 pm

1 stop6h 14m

Boston Logan Intl

Tue 10/21

9:15 am-12:55 pm

Nonstop4h 40m

$309

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Thu 11/6

4:35 pm-11:49 pm

1 stop6h 14m

Boston Logan Intl

Wed 11/19

9:15 am-1:05 pm

Nonstop4h 50m

$309

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Tue 11/4

5:25 am-12:00 pm

1 stop5h 35m

Boston Logan Intl

Tue 11/18

3:25 pm-9:02 pm

1 stop6h 37m

$319

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Wed 11/26

11:50 am-8:00 pm

1 stop7h 10m

Boston Logan Intl

Tue 12/2

6:45 am-1:41 pm

1 stop7h 56m

$319

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Tue 11/4

6:21 pm-1:13 am

1 stop5h 52m

Boston Logan Intl

Sat 11/15

3:23 pm-9:02 pm

1 stop6h 39m

$319

San AntonioPortland

SAT - PWM

SATPWM

San Antonio

Sat 11/15

11:40 am-9:55 pm

2 stops9h 15m

Portland

Wed 11/19

12:45 pm-9:10 pm

1 stop9h 25m

$322

San AntonioPortland

SAT - PWM

SATPWM

San Antonio

Tue 10/28

8:05 am-4:50 pm

2 stops7h 45m

Portland

Tue 11/11

5:30 am-1:35 pm

2 stops9h 05m

$327

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 52 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, January is the cheapest month in which you can book a flight from San Antonio to New Hampshire (average of $334). Flying from San Antonio to New Hampshire in April is currently the most expensive (average of $398). 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 September 16, 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
4,242 reviews

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 4h 02m. Delta provides one of the quickest options available for as low as $299. 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 United Airlines, with whom users have recently found tickets for as low as $149. However, be on the lookout for offers from Spirit Airlines and Southwest, 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 - Portland or San Antonio - Manchester 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, January is the cheapest month in which you can book a flight from San Antonio to New Hampshire (average of $334). Flying from San Antonio to New Hampshire in April is currently the most expensive (average of $398). 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

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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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$344Average$472FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$379Average$483FlexibilityNo cancel feeOn-time63%

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