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Cheap flights from San Antonio to Boston from $92

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 Boston departing on 11/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Spirit Airlines Logo
4:16 pm - 2:56 pmSAT-BOS
21h 40m2 stops
Spirit Airlines Logo
5:45 am - 3:11 pmBOS-SAT
10h 26m1 stop
$259Spirit Airlines
Find Deal
vie., nov. 7 - mar., nov. 18
Logo
5:35 pm - 12:40 amSAT-BOS
30h 05m2 stops
Logo
5:45 am - 3:11 pmBOS-SAT
10h 26m1 stop
$260
Find Deal
lun., nov. 10 - sáb., nov. 15
Spirit Airlines Logo
4:16 pm - 12:40 amSAT-BOS
7h 24m1 stop
Spirit Airlines Logo
6:15 am - 10:27 pmBOS-SAT
17h 12m1 stop
$262Spirit Airlines
Find Deal
mar., nov. 18 - mar., dic. 2
Spirit Airlines Logo
7:35 pm - 11:26 amSAT-BOS
14h 51m1 stop
Spirit Airlines Logo
8:24 pm - 6:30 pmBOS-SAT
23h 06m1 stop
$264Spirit Airlines
Find Deal
dom., oct. 5 - jue., oct. 16
Spirit Airlines Logo
7:35 pm - 11:26 amSAT-BOS
14h 51m1 stop
Spirit Airlines Logo
6:16 am - 6:30 pmBOS-SAT
13h 14m1 stop
$265Spirit Airlines
Find Deal
vie., oct. 24 - dom., oct. 26
Logo
4:16 pm - 9:00 amSAT-BOS
15h 44m2 stops
Logo
9:55 am - 4:40 pmBOS-SAT
7h 45m1 stop
$268
Find Deal
mié., nov. 5 - lun., nov. 17
Logo
11:33 am - 7:52 amSAT-BOS
19h 19m2 stops
Logo
6:16 am - 6:30 pmBOS-SAT
13h 14m1 stop
$269
Find Deal
jue., oct. 2 - lun., oct. 6
Delta Logo
1:50 pm - 7:00 pmSAT-BOS
4h 10mnonstop
Delta Logo
9:15 am - 12:55 pmBOS-SAT
4h 40mnonstop
$299Delta
Find Deal
sáb., oct. 25 - sáb., nov. 1
Southwest Logo
7:40 am - 2:30 pmSAT-BOS
5h 50m1 stop
Southwest Logo
5:00 am - 10:10 amBOS-SAT
6h 10m1 stop
$308Southwest
Find Deal
sáb., oct. 25 - mié., oct. 29
Delta Logo
1:50 pm - 6:59 pmSAT-BOS
4h 09mnonstop
Delta Logo
6:10 am - 5:04 pmBOS-SAT
11h 54m1 stop
$309Delta
Find Deal
vie., nov. 7 - lun., nov. 17

Southwest flights from San Antonio to Boston

Our best Southwest deals on San Antonio to Boston flight tickets
Southwest
Oct 25
SAT7:40 amSan Antonio
5h 50m
1 stop
BOS2:30 pmBoston Logan Intl
Oct 29
BOS5:00 amBoston Logan Intl
6h 10m
1 stop
SAT10:10 amSan Antonio
$308
Find similar
Southwest
Sep 24
SAT6:50 amSan Antonio
5h 55m
1 stop
BOS1:45 pmBoston Logan Intl
Sep 25
BOS7:30 amBoston Logan Intl
8h 20m
1 stop
SAT2:50 pmSan Antonio
$539
Find similar
Southwest
Sep 24
SAT12:05 pmSan Antonio
8h 30m
2 stops
BOS9:35 pmBoston Logan Intl
Sep 25
BOS5:15 amBoston Logan Intl
8h 00m
2 stops
SAT12:15 pmSan Antonio
$599
Find similar

Spirit Airlines flights from San Antonio to Boston

Our best Spirit Airlines deals on San Antonio to Boston flight tickets
Spirit Airlines
Nov 7
SAT4:16 pmSan Antonio
21h 40m
2 stops
BOS2:56 pmBoston Logan Intl
Nov 18
BOS5:45 amBoston Logan Intl
10h 26m
1 stop
SAT3:11 pmSan Antonio
$259
Find similar
Spirit Airlines
Nov 18
SAT4:16 pmSan Antonio
7h 24m
1 stop
BOS12:40 amBoston Logan Intl
Dec 2
BOS6:15 amBoston Logan Intl
17h 12m
1 stop
SAT10:27 pmSan Antonio
$262
Find similar
Spirit Airlines
Oct 5
SAT7:35 pmSan Antonio
14h 51m
1 stop
BOS11:26 amBoston Logan Intl
Oct 16
BOS8:24 pmBoston Logan Intl
23h 06m
1 stop
SAT6:30 pmSan Antonio
$264
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to Boston 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 septiembre 15, 2025.
Use the filters below to find and compare flights from San Antonio to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

vie. 11/7

4:16 pm-2:56 pm

2 stops21h 40m

Boston Logan Intl

mar. 11/18

5:45 am-3:11 pm

1 stop10h 26m

$259

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

lun. 11/10

5:35 pm-12:40 am

2 stops30h 05m

Boston Logan Intl

sáb. 11/15

5:45 am-3:11 pm

1 stop10h 26m

$260

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

mar. 11/18

4:16 pm-12:40 am

1 stop7h 24m

Boston Logan Intl

mar. 12/2

6:15 am-10:27 pm

1 stop17h 12m

$262

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

dom. 10/5

7:35 pm-11:26 am

1 stop14h 51m

Boston Logan Intl

jue. 10/16

8:24 pm-6:30 pm

1 stop23h 06m

$264

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

vie. 10/24

7:35 pm-11:26 am

1 stop14h 51m

Boston Logan Intl

dom. 10/26

6:16 am-6:30 pm

1 stop13h 14m

$265

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

mié. 11/5

4:16 pm-9:00 am

2 stops15h 44m

Boston Logan Intl

lun. 11/17

9:55 am-4:40 pm

1 stop7h 45m

$268

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

jue. 10/2

11:33 am-7:52 am

2 stops19h 19m

Boston Logan Intl

lun. 10/6

6:16 am-6:30 pm

1 stop13h 14m

$269

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

sáb. 10/25

1:50 pm-7:00 pm

Nonstop4h 10m

Boston Logan Intl

sáb. 11/1

9:15 am-12:55 pm

Nonstop4h 40m

$299

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

sáb. 10/25

7:40 am-2:30 pm

1 stop5h 50m

Boston Logan Intl

mié. 10/29

5:00 am-10:10 am

1 stop6h 10m

$308

San AntonioBoston

SAT - BOS

SATBOS

San Antonio

vie. 11/7

1:50 pm-6:59 pm

Nonstop4h 09m

Boston Logan Intl

lun. 11/17

6:10 am-5:04 pm

1 stop11h 54m

$309

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Boston from

How to get the cheapest flight ticket from San Antonio to Boston

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 Boston?

In general, September is the cheapest month to fly from San Antonio to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $299. If you aren’t able to travel during the month of September, then book flights to Boston from San Antonio during August instead. Flights to Boston in August, while not as cheap as those in September, still average around $309.

What is the cheapest day to depart on your flight to Boston?

The cheapest day to depart from San Antonio to Boston is on a Saturday when prices can be found for as low as $349. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Sunday is $508.

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

According to our data, the cheapest time of day to fly to Boston is at noon. momondo users have found flights departing from San Antonio to Boston at noon for as low as $397. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Boston, so prices are often more expensive at around $470 per ticket.

What is the cheapest San Antonio to Boston Logan Intl flight route?

Fly from San Antonio to Boston Logan Intl for the best San Antonio - Boston Logan Intl flight prices

How far in advance should I book a flight to Boston?

You are more likely to see cheaper flights to Boston from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $356 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from San Antonio for as low as $291 on momondo.

What cabin class options are available on San Antonio to Boston Logan Intl flights?

There are 4 cabin classes available to choose from on San Antonio to Boston Logan Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have San Antonio to Boston flight prices changed over time?

As of September 2025, prices for San Antonio to Boston flights are approximately 70% more expensive when compared to flights at the same time last year.

When to book flights from San Antonio to Boston

Are you open to changing your travel dates? Check out the ideal times to fly from San Antonio to Boston according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Antonio to Boston (SAT to BOS) flight deals and tips

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

Best Price Found

$198

Fastest flight time

3h 57m

Direct flights

Every day

Airports in Boston

1 airport
The best one-way flight to Boston from San Antonio in the past 72 hours is $198. The best round-trip flight deal from San Antonio to Boston found on momondo in the last 72 hours is $309.
The fastest flight from San Antonio to Boston takes 3h 57m
Direct flights go from San Antonio to Boston every day.
There is 1 airport near Boston: Boston Logan Intl (BOS)
Search flight deals

  • How far is San Antonio to Boston Logan Intl by plane?

    San Antonio and Boston Logan Intl are 1763.9 mi apart from one another. Typically, this will take 4h 09m by plane in normal conditions.

  • When did momondo last update prices for flights from San Antonio Airport to Boston Logan Intl Airport?

    Prices for flights from San Antonio Airport to Boston Logan Intl Airport refresh daily.

  • How many operators does momondo search for flights from San Antonio Airport to Boston Logan Intl Airport?

  • How old do you have to be to fly from San Antonio Airport to Boston Logan Intl Airport?

    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 Boston Logan Intl Airport.

  • What documentation or ID do you need to fly to Boston Logan Intl Airport?

    The travel and health documents you'll need for your trip to Boston Logan Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Boston Logan Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from San Antonio to Boston?

  • What is the most popular airline from San Antonio to Boston?

Best airlines flying from San Antonio to Boston

Compare and see reviews for airlines that fly from San Antonio to Boston with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $169Free CancellationRating
6.3
8,015 reviews
Search Spirit Airlines flights
JetBluePriceFrom $228Free CancellationRating
7.2
2,912 reviews
Search JetBlue flights
DeltaPriceFrom $239Free CancellationRating
7.9
7,954 reviews
Search Delta flights
SouthwestPriceFrom $257Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
American AirlinesPriceFrom $258Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $269Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights

  • Delta Flights From San Antonio to Boston

    The lowest priced Delta flight from San Antonio to Boston from the last 72 hours was $239. Generally, Delta has 7 flights on this route every week with an average price of $357. Delta is rated 7.9/10 by our users.

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Salem
Ogunquit
Old Orchard Beach
Hampton
York Beach
Plymouth
Kennebunkport
Cambridge
South Yarmouth
Narragansett
Nashua
Gloucester
Brockton
Laconia
Falmouth
Concord
Everett
Wells
Chatham

Why use momondo?

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

It is quick and easy to find San Antonio to Boston flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Boston that suits you.

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

momondo does allow users to show only those flights to Boston from San Antonio which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between San Antonio and Boston by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Boston from San Antonio. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Boston 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.
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