Cheap flights from Boston to San Antonio (BOS - SAT)

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The best prices from Boston Logan Intl to San Antonio are usually found in August or May, booked 30 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

How to find the cheapest flight from
Boston (BOS) to San Antonio (SAT)

All the information you need to plan the best BOS to SAT flight in 2021: compare Boston to San Antonio flight prices with the expected peak season, weather and rainfall in San Antonio.
BOS - SAT
Price
$213 - $370
SAT
Temperature
51.8 - 84.2 °F
SAT
Precipitation
1.6 - 3.7 inches

Popular in

December

High demand for flights, 24% potential price rise

Cheapest in

August

Best time to find cheap flights, 24% potential price drop

Round-trip from

$213

From Boston Logan Intl to San Antonio

One-way from

$116

One-way flight from Boston Logan Intl to San Antonio

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Boston to San Antonio?

Tuesday is generally a great day to depart. Flying on this day could help you save up to 49%.

What is the cheapest month to fly from Boston to San Antonio?

Flights from Boston to San Antonio lean towards being more expensive in December. Prices are generally better when you fly from Boston to San Antonio in August, with the cheapest ticket starting at $104.

When is the cheapest time to fly from Boston to San Antonio (BOS - SAT)?

When flying from Boston to San Antonio, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 25% versus a flight in the morning.

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

Users have found that booking a flight from Boston to San Antonio at least 28 days early can save you up to 51% on average compared to booking a flight this week. If booking 28 days before your flight isn’t an option for you, users have found flights from Boston to San Antonio for as little as $341 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $444 for flights departing within the next 3 days.

Cheap flights from Boston to San Antonio in October, November 2021

The best prices found for BOS to SAT flights for October, November
20 Nov - 22 Nov
$137pp
BOS
Boston Logan Intl
JetBlue
Non-Stop
SAT
San Antonio
SAT
San Antonio
JetBlue
Non-Stop
BOS
Boston Logan Intl
4 Nov - 8 Nov
$149pp
BOS
Boston Logan Intl
Multiple Airlines
Non-Stop
SAT
San Antonio
SAT
San Antonio
United Airlines
 
1 STOP
BOS
Boston Logan Intl
4 Nov - 10 Nov
$153pp
BOS
Boston Logan Intl
Multiple Airlines
Non-Stop
SAT
San Antonio
SAT
San Antonio
American Airlines
 
1 STOP
BOS
Boston Logan Intl

Boston Logan Intl to San Antonio 2021 flight deals

Cheap flights to San Antonio from Boston found for this year
20 Nov - 22 Nov
$137pp
BOS
Boston Logan Intl
JetBlue
Non-Stop
SAT
San Antonio
SAT
San Antonio
JetBlue
Non-Stop
BOS
Boston Logan Intl
3 Dec - 7 Dec
$149pp
BOS
Boston Logan Intl
Multiple Airlines
Non-Stop
SAT
San Antonio
SAT
San Antonio
United Airlines
 
1 STOP
BOS
Boston Logan Intl
4 Nov - 10 Nov
$153pp
BOS
Boston Logan Intl
Multiple Airlines
Non-Stop
SAT
San Antonio
SAT
San Antonio
American Airlines
 
1 STOP
BOS
Boston Logan Intl

Non-stop flights to San Antonio from Boston

Save time with Boston to San Antonio direct flight deals
20 Nov - 22 Nov
$137pp
BOS
Boston Logan Intl
JetBlue
Non-Stop
SAT
San Antonio
SAT
San Antonio
JetBlue
Non-Stop
BOS
Boston Logan Intl
3 Nov - 7 Nov
$157pp
BOS
Boston Logan Intl
JetBlue
Non-Stop
SAT
San Antonio
SAT
San Antonio
JetBlue
Non-Stop
BOS
Boston Logan Intl
31 Oct - 2 Nov
$167pp
BOS
Boston Logan Intl
JetBlue
Non-Stop
SAT
San Antonio
SAT
San Antonio
JetBlue
Non-Stop
BOS
Boston Logan Intl

Last minute flights from Boston to San Antonio

Late deals on round-trip flights to San Antonio from Boston, departing today and this week
29 Oct - 1 Nov
$175pp
BOS
Boston Logan Intl
Multiple Airlines
 
1 STOP
SAT
San Antonio
SAT
San Antonio
JetBlue
Non-Stop
BOS
Boston Logan Intl
28 Oct - 2 Nov
$190pp
BOS
Boston Logan Intl
American Airlines
 
1 STOP
SAT
San Antonio
SAT
San Antonio
American Airlines
 
1 STOP
BOS
Boston Logan Intl
29 Oct - 1 Nov
$191pp
BOS
Boston Logan Intl
Multiple Airlines
 
1 STOP
SAT
San Antonio
SAT
San Antonio
United Airlines
 
1 STOP
BOS
Boston Logan Intl

One-way flights to San Antonio from Boston

The cheapest one-way flights from Boston to San Antonio
12:00 am - 5:43 am
American Airlines
1 Stop
6h 43m
BOS - SAT
American Airlines
3:28 am - 1:58 pm
Frontier
1 Stop
11h 30m
BOS - SAT
Frontier
$140
Flights by SU
2:00 am - 5:55 pm
United Airlines
2 Stops
16h 55m
BOS - SAT
United Airlines
$142
United

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Boston</span> to <span class="emphasized">San Antonio</span> flights.

Flight FAQs

From Boston to San Antonio

Which airlines flying from Boston Logan Intl to San Antonio have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like American Airlines, United Airlines, and Delta flying from Boston Logan Intl to San Antonio have implemented new flexible cancellation policies.

Can I find flights from Boston to San Antonio for under $200 on Cheapflights?

Yes, there are multiple flights from Boston to San Antonio for under $200. The cheapest flight booked recently is on JetBlue for just $137, but on average you can expect to pay $166.

Are there nonstop flights from Boston to San Antonio for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Boston to San Antonio under $200. A good price for a nonstop flight from Boston to San Antonio is less than $244.

Are there last-minute flights available from Boston to San Antonio for under $200?

There are currently 20+ open flights from Boston to San Antonio within the next 7 days for less than $200.

How popular is this Boston to San Antonio flight route?

The Boston Logan Intl to San Antonio flight path was viewed by 39 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What are the cheapest airlines flying from Boston to San Antonio round-trip?

Flying on JetBlue is currently your cheapest option to San Antonio, with prices starting at $137. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $161 and $168, respectively. These flights start at 50% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Boston to San Antonio one-way?

The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as $69. However, be on the lookout for offers from United Airlines and American Airlines, as they are both options that can get you from Boston to San Antonio for a low price.

What are the most popular airlines that fly from Boston to San Antonio?

Consider Major Airline, American Airlines or JetBlue when booking your flight. These represent the most popular airlines when flying from Boston to San Antonio.

What are the cheapest flights from Boston to San Antonio?

Looking for the cheapest flight from Boston to San Antonio? While on average our users pay $522, our data indicates the cheapest price to be $97. The most popular route (Boston Logan Intl - San Antonio), is priced around $137.

COVID Restrictions

View COVID Travel Restrictions for San Antonio, TX

Do I need a COVID test to fly to San Antonio from Boston?

Information is based on travel restrictions for travel to San Antonio within the United States

Most visitors from Boston Logan Intl need to provide a negative COVID-19 test result and/or quarantine to enter San Antonio.

COVID-19 testing requirements
Visitors from Boston Logan Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to San Antonio.

Quarantine requirements
Visitors from Boston Logan Intl are not required to quarantine after entering San Antonio.

Do I need a test to fly back to Boston from San Antonio?

Returning to Boston Logan Intl from San Antonio

COVID-19 testing requirements
Visitors from San Antonio must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Boston Logan Intl.

Quarantine requirements
Visitors from San Antonio are not required to quarantine after entering Boston Logan Intl.

Hide COVID Travel Restrictions for San Antonio, TX

Alternative routes for Boston to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for San Antonio

Things to know before you go - useful duration and weather info for your trip from Boston to San Antonio.
Flight duration from BOS to SAT
4h 18m

Airports servicing Boston

Airports servicing San Antonio

Top 6 airlines flying from Boston Logan Intl to San Antonio

The chart below displays the airlines Cheapflights users traveling from Boston to San Antonio choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
JetBlue
$88 $412 No cancel fee 62%
Delta
$102 $317 No cancel fee N/A
Frontier
$110 $234 No cancel fee 62%
American Airlines
$110 $340 No cancel fee 71%
United Airlines
$117 $329 No cancel fee 69%
Southwest
$242 $449 No cancel fee 63%

Hourly flight availability from Boston to San Antonio

See what time of day planes typically take off from Boston towards San Antonio.
Afternoon Noon to 6 PM 100% of BOS to SAT departures
Early morning Midnight to 6 AM 0% of BOS to SAT departures
Morning 6 AM to noon 0% of BOS to SAT departures
Evening 6 PM to midnight 0% of BOS to SAT departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Boston to San Antonio
See how many times per day planes take to the skies headed from Boston to San Antonio.
Sunday
0 flights
Monday
1 daily flight
Tuesday
0 flights
Wednesday
0 flights
Thursday
1 daily flight
Friday
1 daily flight
Saturday
0 flights
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