Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from San Antonio to New Hampshire from $102

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to New Hampshire departing on 9/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from San Antonio to New Hampshire

Cheap round-trip flights

Spirit Airlines Logo
12:45 pm - 10:43 pmSAT-BOS
8h 58m1 stop
Spirit Airlines Logo
6:20 am - 11:50 amBOS-SAT
6h 30m1 stop
$202Spirit Airlines
Find Deal
Thu, Sep 18 - Thu, Sep 25
Spirit Airlines Logo
12:45 pm - 10:43 pmSAT-BOS
8h 58m1 stop
Spirit Airlines Logo
6:10 am - 6:12 pmBOS-SAT
13h 02m1 stop
$211Spirit Airlines
Find Deal
Thu, Sep 4 - Mon, Sep 8
Spirit Airlines Logo
12:45 pm - 10:43 pmSAT-BOS
8h 58m1 stop
Spirit Airlines Logo
6:15 am - 11:50 amBOS-SAT
6h 35m1 stop
$220Spirit Airlines
Find Deal
Thu, Oct 23 - Sun, Oct 26
Delta Logo
2:40 pm - 8:01 pmSAT-BOS
4h 21mnonstop
Delta Logo
9:20 am - 12:45 pmBOS-SAT
4h 25mnonstop
$239Delta
Find Deal
Thu, Sep 4 - Wed, Sep 10
Delta Logo
2:40 pm - 8:01 pmSAT-BOS
4h 21mnonstop
Delta Logo
9:20 am - 12:45 pmBOS-SAT
4h 25mnonstop
$249Delta
Find Deal
Thu, Sep 4 - Tue, Sep 9
American Airlines Logo
9:21 am - 5:39 pmSAT-BOS
7h 18m1 stop
American Airlines Logo
9:00 am - 3:49 pmBOS-SAT
7h 49m1 stop
$257American Airlines
Find Deal
Thu, Sep 4 - Wed, Sep 10
American Airlines Logo
3:38 pm - 11:44 pmSAT-BOS
7h 06m1 stop
American Airlines Logo
11:28 am - 5:49 pmBOS-SAT
7h 21m1 stop
$258American Airlines
Find Deal
Mon, Sep 15 - Tue, Sep 23
Southwest Logo
5:35 am - 3:25 pmSAT-BOS
8h 50m2 stops
Southwest Logo
9:05 am - 2:05 pmBOS-SAT
6h 00m1 stop
$264Southwest
Find Deal
Thu, Sep 4 - Tue, Sep 9
Logo
7:10 am - 7:34 pmSAT-BOS
11h 24m1 stop
Logo
10:28 am - 4:52 pmBOS-SAT
7h 24m1 stop
$271
Find Deal
Mon, Aug 11 - Fri, Aug 15
Southwest Logo
5:35 am - 3:25 pmSAT-BOS
8h 50m2 stops
Southwest Logo
5:00 am - 9:50 amBOS-SAT
5h 50m1 stop
$284Southwest
Find Deal
Thu, Sep 4 - Mon, Sep 8

Spirit Airlines flights from San Antonio to New Hampshire

Our best Spirit Airlines deals on San Antonio to New Hampshire flight tickets
Spirit Airlines
Sep 18
SAT12:45 pmSan Antonio
8h 58m
1 stop
BOS10:43 pmBoston Logan Intl
Sep 25
BOS6:20 amBoston Logan Intl
6h 30m
1 stop
SAT11:50 amSan Antonio
$202
Find similar
Spirit Airlines
Sep 4
SAT12:45 pmSan Antonio
8h 58m
1 stop
BOS10:43 pmBoston Logan Intl
Sep 8
BOS6:10 amBoston Logan Intl
13h 02m
1 stop
SAT6:12 pmSan Antonio
$211
Find similar
Spirit Airlines
Oct 23
SAT12:45 pmSan Antonio
8h 58m
1 stop
BOS10:43 pmBoston Logan Intl
Oct 26
BOS6:15 amBoston Logan Intl
6h 35m
1 stop
SAT11:50 amSan Antonio
$220
Find similar

American Airlines flights from San Antonio to New Hampshire

Our best American Airlines deals on San Antonio to New Hampshire flight tickets
American Airlines
Sep 4
SAT9:21 amSan Antonio
7h 18m
1 stop
BOS5:39 pmBoston Logan Intl
Sep 10
BOS9:00 amBoston Logan Intl
7h 49m
1 stop
SAT3:49 pmSan Antonio
$257
Find similar
American Airlines
Sep 15
SAT3:38 pmSan Antonio
7h 06m
1 stop
BOS11:44 pmBoston Logan Intl
Sep 23
BOS11:28 amBoston Logan Intl
7h 21m
1 stop
SAT5:49 pmSan Antonio
$258
Find similar
American Airlines
Sep 3
SAT6:35 amSan Antonio
5h 56m
1 stop
PWM1:31 pmPortland
Sep 9
PWM2:30 pmPortland
8h 24m
1 stop
SAT9:54 pmSan Antonio
$297
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from San Antonio to New Hampshire that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Thu 9/18

12:45 pm-10:43 pm

1 stop8h 58m

Boston Logan Intl

Thu 9/25

6:20 am-11:50 am

1 stop6h 30m

$202

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Thu 9/4

12:45 pm-10:43 pm

1 stop8h 58m

Boston Logan Intl

Mon 9/8

6:10 am-6:12 pm

1 stop13h 02m

$211

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Thu 10/23

12:45 pm-10:43 pm

1 stop8h 58m

Boston Logan Intl

Sun 10/26

6:15 am-11:50 am

1 stop6h 35m

$220

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Thu 9/4

2:40 pm-8:01 pm

Nonstop4h 21m

Boston Logan Intl

Wed 9/10

9:20 am-12:45 pm

Nonstop4h 25m

$239

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Thu 9/4

2:40 pm-8:01 pm

Nonstop4h 21m

Boston Logan Intl

Tue 9/9

9:20 am-12:45 pm

Nonstop4h 25m

$249

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Thu 9/4

9:21 am-5:39 pm

1 stop7h 18m

Boston Logan Intl

Wed 9/10

9:00 am-3:49 pm

1 stop7h 49m

$257

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Mon 9/15

3:38 pm-11:44 pm

1 stop7h 06m

Boston Logan Intl

Tue 9/23

11:28 am-5:49 pm

1 stop7h 21m

$258

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Thu 9/4

5:35 am-3:25 pm

2 stops8h 50m

Boston Logan Intl

Tue 9/9

9:05 am-2:05 pm

1 stop6h 00m

$264

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Mon 8/11

7:10 am-7:34 pm

1 stop11h 24m

Boston Logan Intl

Fri 8/15

10:28 am-4:52 pm

1 stop7h 24m

$271

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

Thu 9/4

5:35 am-3:25 pm

2 stops8h 50m

Boston Logan Intl

Mon 9/8

5:00 am-9:50 am

1 stop5h 50m

$284

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to New Hampshire from

How to get the cheapest flight ticket from San Antonio to New Hampshire

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to New Hampshire?

The month of September is another great option to travel to New Hampshire, with average flight prices from San Antonio averaging around $279.

What is the cheapest day to depart on your flight to New Hampshire?

The cheapest day to depart on your flight to New Hampshire is on a Saturday when prices can be found for as low as $319. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to New Hampshire is Tuesday, with ticket prices averaging around $495.

What is the cheapest time of day to depart on your flight to New Hampshire?

According to our data, the cheapest time of day to fly to New Hampshire is in the afternoon. momondo users have found flights departing from San Antonio to New Hampshire in the afternoon for as low as $364. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets at noon because they tend to be around $388. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to New Hampshire?

You are more likely to see cheaper flights to New Hampshire from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to New Hampshire for around $345 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to New Hampshire from San Antonio for as low as $288 on momondo.

Cheap San Antonio to New Hampshire flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to New Hampshire

Best Price Found

$102

Fastest flight time

4h 14m

Direct flights

Every day

Airports in New Hampshire

3 airports
The best one-way flight to New Hampshire from San Antonio in the past 72 hours is $102. The best round-trip flight deal from San Antonio to New Hampshire found on momondo in the last 72 hours is $202.
The fastest flight from San Antonio to New Hampshire takes 4h 14m
Direct flights go from San Antonio to New Hampshire every day.
There are 3 airports near New Hampshire: Boston Logan Intl (BOS), Portland (PWM), Manchester (MHT)
Search flight deals

  • When did momondo last update prices for flights from San Antonio Airport to New Hampshire?

    Prices for flights from San Antonio Airport to New Hampshire are updated daily.

  • How many operators does momondo search for flights from San Antonio Airport to New Hampshire?

  • How old do you have to be to fly from San Antonio Airport to New Hampshire?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Antonio Airport to New Hampshire.

  • What documentation or ID do you need to fly to New Hampshire?

    The necessary travel and health documents for your New Hampshire trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from San Antonio to New Hampshire

Compare and see reviews for airlines that fly from San Antonio to New Hampshire with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $344Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $379Free CancellationRating
8.0
4,246 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from San Antonio to New Hampshire?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Antonio to New Hampshire for you.

Can I find flights from San Antonio to New Hampshire with flexible booking policies on momondo?

Yes. All flights to New Hampshire from San Antonio on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from San Antonio to New Hampshire?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to New Hampshire from San Antonio.

I’m not ready to book a flight from San Antonio to New Hampshire right now. Can momondo alert me if prices change?

If you are simply researching potential flights to New Hampshire, momondo offers a useful price alert feature which will track prices for flights to New Hampshire from San Antonio and alert you when they change.

An easier way to manage your New Hampshire trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 8/5
Tue 8/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to New Hampshire

Popular cities in New Hampshire

Popular flights according to clicks in the last 7 days on momondo
Flights to New Yorkfrom $39
Flights to Los Angelesfrom $37
Flights to Miamifrom $58
Flights to Chicagofrom $59
Flights to Orlandofrom $54
Flights to Las Vegasfrom $35
Flights to San Franciscofrom $49
Flights to Washington, D.C.from $49
Flights to Bostonfrom $77
Flights to Atlantafrom $29
Flights to Dallasfrom $55
Flights to Seattlefrom $93