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Cheap flights from Boston to San Antonio from $128

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to San Antonio departing on 11/21. 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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Find the cheapest flights from Boston to San Antonio

Cheap round-trip flights

These are some of the best round-trip flight deals from Boston to San Antonio that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Boston to San Antonio.

Cheap last minute flights

Planning a quick getaway from Boston to San Antonio? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to San Antonio, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Boston to San Antonio

Find recent round-trip train or bus tickets from Boston to San Antonio.

All round-trip flight deals to San Antonio

The cheapest plane tickets to San Antonio found on KAYAK recently.
10:34 am - 6:32 pmBOS-SAT
8h 58m1 stop
7:10 pm - 12:30 amSAT-BOS
28h 20m1 stop
Wed, Dec 4 - Mon, Dec 9
6:00 am - 6:09 pmBOS-SAT
13h 09m1 stop
7:10 pm - 12:27 amSAT-BOS
28h 17m1 stop
$138Frontier
Find Deal
Mon, Jan 13 - Sat, Jan 25
10:34 am - 6:32 pmBOS-SAT
8h 58m1 stop
7:10 pm - 12:30 amSAT-BOS
28h 20m1 stop
Wed, Dec 4 - Sat, Dec 7
2:40 pm - 10:40 pmBOS-SAT
9h 00m1 stop
12:07 pm - 8:52 pmSAT-BOS
7h 45m1 stop
$178American Airlines
Find Deal
Sun, Jan 12 - Tue, Jan 14
7:25 am - 1:44 pmBOS-SAT
7h 19m1 stop
11:54 am - 7:20 pmSAT-BOS
6h 26m1 stop
$198American Airlines
Find Deal
Sat, Dec 7 - Wed, Dec 11
12:01 pm - 3:55 pmBOS-SAT
4h 54mnonstop
12:22 pm - 5:20 pmSAT-BOS
3h 58mnonstop
$309Delta
Find Deal
Mon, Jan 6 - Tue, Jan 14
12:01 pm - 3:55 pmBOS-SAT
4h 54mnonstop
12:30 pm - 10:27 pmSAT-BOS
8h 57m1 stop
$318Delta
Find Deal
Mon, Jan 6 - Wed, Jan 15
3:30 pm - 11:10 pmBOS-SAT
8h 40m1 stop
5:15 am - 2:26 pmSAT-BOS
8h 11m1 stop
$328United Airlines
Find Deal
Thu, Dec 5 - Wed, Dec 11
8:30 am - 10:20 pmBOS-SAT
14h 50m2 stops
7:30 am - 2:00 pmSAT-BOS
5h 30m1 stop
$331Southwest
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Thu, Feb 20 - Mon, Feb 24
5:45 am - 3:50 pmBOS-SAT
11h 05m2 stops
5:15 am - 5:16 pmSAT-BOS
11h 01m2 stops
$338United Airlines
Find Deal
Thu, Dec 5 - Sat, Dec 7
6:30 am - 1:01 amBOS-SAT
19h 31m2 stops
$128Spirit Airlines
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Thu, Nov 21
8:21 pm - 6:32 pmBOS-SAT
23h 11m2 stops
$130Spirit Airlines
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Mon, Dec 16
10:56 am - 6:32 pmBOS-SAT
32h 36m3 stops
$131Spirit Airlines
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Mon, Dec 16
5:40 am - 11:10 amBOS-SAT
6h 30m1 stop
$164Southwest
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Wed, Dec 25
5:40 am - 1:45 pmBOS-SAT
9h 05m2 stops
$169Southwest
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Wed, Dec 25
5:45 am - 11:11 amBOS-SAT
6h 26m1 stop
$204United Airlines
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Mon, Dec 16
6:55 am - 3:35 pmBOS-SAT
9h 40m1 stop
$213Delta
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Thu, Jan 16
7:30 am - 3:26 pmBOS-SAT
8h 56m2 stops
$229United Airlines
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Thu, Dec 12
10:20 am - 2:10 pmBOS-SAT
4h 50mnonstop
$239Delta
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Sat, Dec 14
12:15 pm - 7:42 pmBOS-SAT
8h 27m1 stop
$324American Airlines
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Mon, Nov 18
4:41 pm - 4:59 amBOS-SAT
13h 18m2 stops
8:06 pm - 1:06 amSAT-BOS
28h 00m1 stop
$262Spirit Airlines
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Tue, Nov 19 - Thu, Nov 21
4:41 pm - 4:59 amBOS-SAT
13h 18m2 stops
10:30 am - 8:04 pmSAT-BOS
32h 34m2 stops
$274Spirit Airlines
Find Deal
Tue, Nov 19 - Thu, Nov 21
6:00 am - 8:07 pmBOS-SAT
15h 07m1 stop
6:45 am - 9:59 amSAT-BOS
26h 14m1 stop
Sat, Nov 16 - Tue, Nov 19
6:00 am - 7:15 pmBOS-SAT
14h 15m1 stop
6:45 am - 9:59 amSAT-BOS
26h 14m1 stop
Sun, Nov 17 - Tue, Nov 19
8:30 am - 4:55 pmBOS-SAT
9h 25m1 stop
6:46 am - 4:07 pmSAT-BOS
8h 21m1 stop
$598American Airlines
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Tue, Nov 19 - Thu, Nov 21
5:15 pm - 11:10 pmBOS-SAT
6h 55m1 stop
8:49 am - 6:56 pmSAT-BOS
9h 07m2 stops
$603United Airlines
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Mon, Nov 18 - Wed, Nov 20
9:10 am - 1:05 pmBOS-SAT
4h 55mnonstop
2:00 pm - 7:00 pmSAT-BOS
4h 00mnonstop
$624Delta
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Fri, Nov 15 - Wed, Nov 20
9:10 am - 1:05 pmBOS-SAT
4h 55mnonstop
2:00 pm - 7:00 pmSAT-BOS
4h 00mnonstop
$629Delta
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Fri, Nov 15 - Tue, Nov 19
3:30 pm - 9:18 pmBOS-SAT
6h 48m1 stop
4:57 pm - 5:51 amSAT-BOS
11h 54m1 stop
$646United Airlines
Find Deal
Mon, Nov 18 - Wed, Nov 20
7:25 am - 1:40 pmBOS-SAT
7h 15m1 stop
2:31 pm - 11:33 pmSAT-BOS
8h 02m1 stop
$648American Airlines
Find Deal
Tue, Nov 19 - Wed, Nov 20
12:01 pm - 3:55 pmBOS-SAT
4h 54mnonstop
12:22 pm - 5:20 pmSAT-BOS
3h 58mnonstop
$309Delta
Find Deal
Mon, Jan 6 - Mon, Jan 13
9:15 am - 1:11 pmBOS-SAT
4h 56mnonstop
2:07 pm - 7:07 pmSAT-BOS
4h 00mnonstop
$329Delta
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Wed, Dec 11 - Sun, Dec 15
9:10 am - 1:05 pmBOS-SAT
4h 55mnonstop
2:07 pm - 7:07 pmSAT-BOS
4h 00mnonstop
$349Delta
Find Deal
Wed, Dec 4 - Thu, Dec 12
9:15 am - 1:11 pmBOS-SAT
4h 56mnonstop
3:10 pm - 8:10 pmSAT-BOS
4h 00mnonstop
$354Delta
Find Deal
Wed, Dec 18 - Thu, Jan 2
9:10 am - 1:05 pmBOS-SAT
4h 55mnonstop
3:05 pm - 8:05 pmSAT-BOS
4h 00mnonstop
$374Delta
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Thu, Dec 5 - Sat, Dec 7
10:30 am - 2:20 pmBOS-SAT
4h 50mnonstop
12:22 pm - 5:20 pmSAT-BOS
3h 58mnonstop
$393Delta
Find Deal
Thu, Jan 2 - Mon, Jan 6
9:20 am - 1:15 pmBOS-SAT
4h 55mnonstop
12:22 pm - 5:20 pmSAT-BOS
3h 58mnonstop
$407Delta
Find Deal
Sun, Jan 5 - Thu, Jan 9
10:30 am - 2:20 pmBOS-SAT
4h 50mnonstop
2:05 pm - 7:05 pmSAT-BOS
4h 00mnonstop
$413Delta
Find Deal
Thu, Jan 2 - Sun, Jan 5
9:10 am - 1:05 pmBOS-SAT
4h 55mnonstop
2:07 pm - 7:07 pmSAT-BOS
4h 00mnonstop
$414Delta
Find Deal
Thu, Dec 5 - Sun, Dec 8
9:15 am - 1:11 pmBOS-SAT
4h 56mnonstop
2:07 pm - 7:07 pmSAT-BOS
4h 00mnonstop
$419Delta
Find Deal
Tue, Dec 10 - Tue, Dec 17

Delta flights from Boston to San Antonio

Our best Delta deals on Boston to San Antonio flight tickets
Delta
Jan 6
BOS12:01 pmBoston Logan Intl
4h 54m
SAT3:55 pmSan Antonio
Jan 14
SAT12:22 pmSan Antonio
3h 58m
BOS5:20 pmBoston Logan Intl
Delta
Jan 6
BOS12:01 pmBoston Logan Intl
4h 54m
SAT3:55 pmSan Antonio
Jan 15
SAT12:30 pmSan Antonio
8h 57m
1 stop
BOS10:27 pmBoston Logan Intl
Delta
Feb 5
BOS3:55 pmBoston Logan Intl
6h 54m
1 stop
SAT9:49 pmSan Antonio
Feb 17
SAT2:00 pmSan Antonio
4h 05m
BOS7:05 pmBoston Logan Intl

Spirit Airlines flights from Boston to San Antonio

Our best Spirit Airlines deals on Boston to San Antonio flight tickets
Spirit Airlines
Dec 10
BOS5:00 amBoston Logan Intl
14h 32m
1 stop
SAT6:32 pmSan Antonio
Dec 17
SAT7:37 pmSan Antonio
12h 52m
1 stop
BOS9:29 amBoston Logan Intl
Spirit Airlines
Dec 4
BOS10:34 amBoston Logan Intl
8h 58m
1 stop
SAT6:32 pmSan Antonio
Dec 10
SAT7:37 pmSan Antonio
12h 37m
1 stop
BOS9:14 amBoston Logan Intl
Spirit Airlines
Dec 4
BOS5:00 amBoston Logan Intl
14h 32m
1 stop
SAT6:32 pmSan Antonio
Dec 9
SAT6:32 pmSan Antonio
19h 24m
2 stops
BOS2:56 pmBoston Logan Intl

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

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 from Boston to San Antonio?

August. The cheapest time of year to fly to San Antonio from Boston is August. Most expensive is April

What is the cheapest day to depart Boston for San Antonio?

Tuesday. The cheapest day of the week is typically Tuesday. The most expensive is typically Sunday

When is the cheapest time to fly from Boston to San Antonio?

In the afternoon. Boston to San Antonio flights are approximately 16% more expensive at noon than in the afternoon

What is the cheapest airline that flies to San Antonio from Boston?

Spirit Airlines. Spirit Airlines, American Airlines, and United Airlines are the most popular carriers operating from Boston to San Antonio

What is the cheapest Boston to San Antonio flight route?

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

How far in advance should you book Boston to San Antonio flights?

26 days before. The cheapest time to buy a flight from Boston to San Antonio is approximately 26 days to departure

How many flights depart from Boston to San Antonio on average per week?

As of November 2024, there are 6 flights per week flying from Boston to San Antonio. The most common day of the week flights depart is Sunday, with 17% of flights taking off on this day.

Can stopping save me money on Boston to San Antonio flights?

You could potentially save up to 39% on your flight if you consider stops on a Boston to San Antonio flight.

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

As of November 2024, prices for Boston to San Antonio flights are approximately 5% cheaper when compared to flights at the same time last year.

When to book flights from Boston to San Antonio

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

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

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

Best Price Found

$128

Fastest flight time

4h 50m

Direct flights

Every day

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from Boston in the past 72 hours is $128. The best round-trip flight deal from Boston to San Antonio found on momondo in the last 72 hours is $135.
The fastest flight from Boston to San Antonio takes 4h 50m
Direct flights go from Boston to San Antonio every day.
There is 1 airport near San Antonio: San Antonio (SAT)

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

    A flight from Boston Logan Intl to San Antonio will travel around 1763.9 mi. In terms of flight time, this usually takes a little over 4h 50m.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The travel and health documents you'll need for your trip to San Antonio 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 San Antonio 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 Boston to San Antonio?

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


Best airlines flying from Boston to San Antonio

Compare and see reviews for airlines that fly from Boston to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $134Free CancellationRating
6.3
8,167 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $196Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $198Free CancellationRating
7.4
9,194 reviews
Search United Airlines flights
JetBluePriceFrom $203Free CancellationRating
7.5
3,447 reviews
Search JetBlue flights
DeltaPriceFrom $232Free CancellationRating
8.0
8,788 reviews
Search Delta flights
SouthwestPriceFrom $256Free CancellationRating
8.1
5,045 reviews
Search Southwest flights
  • Delta Flights From Boston to San Antonio

    Delta flight deals from Boston to San Antonio start from $232 round-trip. Over the 6 Delta flights for this route in a normal week, average airfare is usually $335 round-trip - but some users have found much cheaper deals with momondo.


Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Boston to San Antonio. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to San Antonio from Boston with this policy.

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

momondo helps you find the best flight between Boston and San Antonio 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 Boston to San Antonio right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to San Antonio from Boston. 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.


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