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New Hampshire

$48+ 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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — MHT
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$301
(Kiwi.com)

One-way from

$48
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$403
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. 6% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 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 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 October 30, 2025.

This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/62:01 pmSAT - BOS
Nonstop4h 03mDelta
Fri 12/129:20 amBOS - SAT
Nonstop4h 57mDelta
Deal found 10/28$299
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.
Tue 11/117:37 pmSAT - BOS
3 stops20h 54mSpirit Airlines
Fri 11/143:55 pmBOS - SAT
2 stops19h 08mSpirit Airlines
Deal found 10/28$301
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.
Thu 11/277:37 pmSAT - BOS
2 stops15h 58mSpirit Airlines
Sun 12/75:45 amBOS - SAT
1 stop18h 41mSpirit Airlines
Deal found 10/29$303
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/215:09 pmSAT - BOS
1 stop6h 35mMultiple Airlines
Mon 12/110:59 amBOS - SAT
1 stop30h 00mMultiple Airlines
Deal found 10/28$304
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/248:33 pmSAT - BOS
1 stop12h 31mMultiple Airlines
Tue 12/29:54 pmBOS - SAT
2 stops20h 18mMultiple Airlines
Deal found 10/28$305
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/145:35 pmSAT - BOS
2 stops13h 53mMultiple Airlines
Sun 11/1612:59 pmBOS - SAT
1 stop21h 05mMultiple Airlines
Deal found 10/28$306
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.
Sat 11/224:54 pmSAT - BOS
2 stops26h 55mSpirit Airlines
Mon 12/19:54 pmBOS - SAT
2 stops19h 05mSpirit Airlines
Deal found 10/28$308
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:22 pmSAT - BOS
1 stop5h 45mDelta
Thu 1/811:46 amBOS - SAT
Nonstop5h 01mDelta
Deal found 10/29$309
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.
Fri 11/147:37 pmSAT - BOS
3 stops18h 23mSpirit Airlines
Tue 11/186:00 amBOS - SAT
3 stops29h 03mSpirit Airlines
Deal found 10/29$310
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.
Wed 11/127:37 pmSAT - MHT
2 stops36h 42mMultiple Airlines
Sat 11/157:36 pmMHT - SAT
1 stop21h 23mMultiple Airlines
Deal found 10/29$312
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/47:37 pmSAT - BOS
2 stops36h 23mMultiple Airlines
Mon 11/245:45 pmBOS - SAT
1 stop23h 14mMultiple Airlines
Deal found 10/28$312
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 11/227:04 pmSAT - BOS
1 stop13h 57mFrontier
Fri 1/26:00 amBOS - SAT
1 stop12h 01mFrontier
Deal found 10/29$314

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 October 30, 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

Wed 12/3

2:15 pm-7:18 pm

Nonstop4h 03m

Boston Logan Intl

Sun 12/7

9:20 am-1:17 pm

Nonstop4h 57m

$299

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Sat 12/6

12:46 pm-11:41 pm

1 stop9h 55m

Boston Logan Intl

Fri 12/12

9:20 am-1:17 pm

Nonstop4h 57m

$309

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Thu 12/18

11:51 am-8:00 pm

1 stop7h 09m

Boston Logan Intl

Thu 1/8

11:46 am-3:47 pm

Nonstop5h 01m

$309

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Tue 1/6

1:40 pm-10:32 pm

1 stop7h 52m

Boston Logan Intl

Tue 1/20

11:46 am-3:47 pm

Nonstop5h 01m

$309

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Tue 1/6

7:45 am-2:20 pm

1 stop5h 35m

Boston Logan Intl

Mon 1/19

11:46 am-3:47 pm

Nonstop5h 01m

$309

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Wed 12/31

3:20 pm-8:27 pm

Nonstop4h 07m

Boston Logan Intl

Wed 1/7

4:50 pm-10:57 pm

1 stop7h 07m

$309

San AntonioManchester

SAT - MHT

SATMHT

San Antonio

Wed 11/12

7:37 pm-9:19 am

2 stops36h 42m

Manchester

Sat 11/15

7:36 pm-3:59 pm

1 stop21h 23m

$312

San AntonioPortland

SAT - PWM

SATPWM

San Antonio

Tue 11/18

5:45 am-12:10 pm

1 stop5h 25m

Portland

Sat 11/22

5:40 pm-11:25 pm

1 stop6h 45m

$317

San AntonioPortland

SAT - PWM

SATPWM

San Antonio

Tue 11/18

1:40 pm-9:35 pm

1 stop6h 55m

Portland

Sat 11/22

5:21 pm-11:05 pm

1 stop6h 44m

$317

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Sat 12/20

7:18 pm-6:42 am

1 stop10h 24m

Boston Logan Intl

Thu 12/25

5:15 pm-11:07 pm

1 stop6h 52m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 45 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 $443). 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 October 30, 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
4,243 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

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
4,243 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

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
11,035 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

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 03m. 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 Frontier, with whom users have recently found tickets for as low as $100. However, be on the lookout for offers from Spirit Airlines and United 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 - 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 $443). 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$344Average$440FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$379Average$486FlexibilityNo cancel feeOn-time63%

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