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New Hampshire

$73+ 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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — MHT
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheap 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 16, 2025.

This Gotogate deal was found by Cheapflights users on 12/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:56 pmSAT - BOS
1 stop6h 18mMultiple Airlines
Wed 1/143:43 pmBOS - SAT
1 stop9h 09mMultiple Airlines
Deal found 12/16$226
This Frontier deal was found by Cheapflights users on 12/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:56 pmSAT - BOS
1 stop6h 18mFrontier
Mon 1/196:00 amBOS - SAT
1 stop12h 23mFrontier
Deal found 12/16$246
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:56 pmSAT - BOS
2 stops15h 05mMultiple Airlines
Tue 1/203:43 pmBOS - SAT
1 stop9h 09mMultiple Airlines
Deal found 12/16$256
This Frontier deal was found by Cheapflights users on 12/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:56 pmSAT - BOS
1 stop6h 18mFrontier
Sun 1/1111:06 amBOS - SAT
1 stop8h 12mFrontier
Deal found 12/16$262
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:56 pmSAT - BOS
2 stops15h 05mMultiple Airlines
Sat 1/173:43 pmBOS - SAT
1 stop9h 09mMultiple Airlines
Deal found 12/16$263
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:11 pmSAT - BOS
1 stop13h 50mMultiple Airlines
Tue 1/133:43 pmBOS - SAT
1 stop9h 09mMultiple Airlines
Deal found 12/16$275
This Frontier deal was found by Cheapflights users on 12/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:56 pmSAT - BOS
1 stop6h 18mFrontier
Fri 1/166:00 amBOS - SAT
1 stop12h 23mFrontier
Deal found 12/16$296
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:56 pmSAT - BOS
2 stops14h 56mMultiple Airlines
Fri 1/163:43 pmBOS - SAT
1 stop9h 09mMultiple Airlines
Deal found 12/16$302
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:11 pmSAT - BOS
1 stop13h 41mMultiple Airlines
Thu 1/153:43 pmBOS - SAT
1 stop9h 09mMultiple Airlines
Deal found 12/16$303
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:56 pmSAT - BOS
2 stops14h 56mMultiple Airlines
Sun 1/185:27 pmBOS - SAT
1 stop17h 13mMultiple Airlines
Deal found 12/16$310
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:40 amSAT - MHT
2 stops11h 11mUnited Airlines
Wed 1/142:17 pmMHT - SAT
1 stop7h 39mUnited Airlines
Deal found 12/16$422
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:05 amSAT - MHT
1 stop5h 43mUnited Airlines
Sat 1/177:26 pmMHT - SAT
1 stop26h 30mUnited Airlines
Deal found 12/16$737

Find 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 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$137
(Priceline)

One-way from

$73
(Spirit)

Popular in

December

Cheapest in

August

Average price

$483
Provider with most accurate pricing for San Antonio-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Antonio-Boston Logan Intl flights.
Search Deals
From San Antonio to New Hampshire
Search Deals
One-way flight from San Antonio to New Hampshire
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 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

Mon 2/2

10:35 am-4:19 pm

3 stops28h 44m

Boston Logan Intl

Mon 3/2

6:22 pm-9:30 am

1 stop16h 08m

$228

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Fri 1/16

12:25 pm-5:19 pm

Nonstop3h 54m

Boston Logan Intl

Tue 1/20

11:46 am-3:45 pm

Nonstop4h 59m

$272

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Fri 1/30

12:25 pm-5:19 pm

Nonstop3h 54m

Boston Logan Intl

Tue 2/10

1:30 pm-8:25 pm

1 stop7h 55m

$282

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Fri 1/23

6:30 am-4:15 pm

1 stop8h 45m

Boston Logan Intl

Tue 1/27

11:46 am-3:45 pm

Nonstop4h 59m

$282

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Wed 2/4

12:55 pm-10:21 pm

1 stop8h 26m

Boston Logan Intl

Sun 2/8

11:46 am-3:45 pm

Nonstop4h 59m

$282

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Tue 1/13

12:25 pm-5:19 pm

Nonstop3h 54m

Boston Logan Intl

Tue 1/20

11:46 am-3:45 pm

Nonstop4h 59m

$285

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Wed 2/18

12:20 pm-5:12 pm

Nonstop3h 52m

Boston Logan Intl

Wed 2/25

11:46 am-3:45 pm

Nonstop4h 59m

$299

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Thu 1/29

12:25 pm-5:19 pm

Nonstop3h 54m

Boston Logan Intl

Mon 2/2

11:46 am-3:45 pm

Nonstop4h 59m

$299

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Wed 2/18

12:20 pm-5:12 pm

Nonstop3h 52m

Boston Logan Intl

Sun 2/22

11:46 am-3:45 pm

Nonstop4h 59m

$299

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Mon 3/16

5:56 pm-6:10 am

1 stop11h 14m

Boston Logan Intl

Fri 3/27

10:45 am-2:31 pm

Nonstop4h 46m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 44 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 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
7.9
Good
4,250 reviews

Comfort

8.0

Overall

7.9

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Comfort

8.0

Overall

7.9

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,049 reviews
Southwest
7.9
Good
4,250 reviews

Comfort

8.0

Overall

7.9

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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. Spirit Airlines provides one of the quickest options available for as low as $272. The distance from San Antonio to New Hampshire is about 1761 mi. This flight may include one or multiple stops.

  • 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, 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 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$344Average$436FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$379Average$486FlexibilityNo cancel feeOn-time63%

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