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Uncover the best deals on Boston to San Antonio flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest BOS - SAT Flights
Useful information for finding best airline tickets from Logan International to San Antonio International on your next trip.
Cheapest Round Trip Flight
$246
Southwest Airlines
• 1 stop
• 10h 5m
Aug 17 – Aug 21
The cheapest round trip flight from Boston to San Antonio (BOS-SAT-BOS) is currently $246
Cheapest Direct Flight
$206
Delta Airlines
• nonstop
• 5h 24m
Jul 15
The cheapest nonstop flight from Boston to San Antonio (BOS-SAT) is currently $206
Fastest Flight
5h 24m
The fastest nonstop flight from Boston to San Antonio (BOS-SAT) takes 5h 24m
Latest Flight Deals from Boston (BOS) to San Antonio (SAT)
Compare and book low fare round-trip air tickets from Boston to San Antonio. Ideal for travelers with confirmed return itineraries.
Aug 17 - Aug 21, Economy
Boston → San Antonio
10h 5m
5:50 PM - 10:55 PM • 1 stop
Boston → San Antonio
8h 55m
7:00 AM - 1:35 PM • 1 stop
Southwest Airlines
Jul 14 - Jul 17, Economy
Boston → San Antonio
20h 10m
10:30 AM - 9:40 PM • 1 stop
Boston → San Antonio
12h 5m
3:45 PM - 12:10 AM • 1 stop
Southwest Airlines
Jul 14 - Jul 17, Economy
Boston → San Antonio
15h
3:45 PM - 11:45 PM • 1 stop
Boston → San Antonio
12h 5m
3:45 PM - 12:10 AM • 2 stops
Southwest Airlines
Jul 14 - Jul 17, Economy
Boston → San Antonio
31h 50m
5:35 AM - 11:45 PM • 1 stop
Boston → San Antonio
12h 5m
3:45 PM - 12:10 AM • 2 stops
Southwest Airlines
Jul 14 - Jul 17, Economy
Boston → San Antonio
18h 50m
12:50 PM - 11:20 PM • 1 stop
Boston → San Antonio
12h 5m
3:45 PM - 12:10 AM • 2 stops
Southwest Airlines
Flying to San Antonio soon? We've surfaced some of the most affordable last-minute flights from Boston to San Antonio, ideal for urgent plans or spontaneous trips.
Jul 14 - Jul 17, Economy
Boston → San Antonio
20h 10m
10:30 AM - 9:40 PM • 1 stop
Boston → San Antonio
12h 5m
3:45 PM - 12:10 AM • 1 stop
Southwest Airlines
Jul 14 - Jul 17, Economy
Boston → San Antonio
15h
3:45 PM - 11:45 PM • 1 stop
Boston → San Antonio
12h 5m
3:45 PM - 12:10 AM • 2 stops
Southwest Airlines
Jul 14 - Jul 17, Economy
Boston → San Antonio
12h
11:35 AM - 5:55 PM • 1 stop
Boston → San Antonio
12h 5m
3:45 PM - 12:10 AM • 2 stops
Southwest Airlines
Jul 14 - Jul 17, Economy
Boston → San Antonio
31h 50m
5:35 AM - 11:45 PM • 1 stop
Boston → San Antonio
12h 5m
3:45 PM - 12:10 AM • 2 stops
Southwest Airlines
Jul 14 - Jul 17, Economy
Boston → San Antonio
18h 50m
12:50 PM - 11:20 PM • 1 stop
Boston → San Antonio
12h 5m
3:45 PM - 12:10 AM • 2 stops
Southwest Airlines
Looking for the fastest way to San Antonio? These direct flight options from BOS to SAT offer both convenience and value—no layovers, just straight to your destination.
Jul 15 - Jul 18, Economy
Boston → San Antonio
5h 24m
- • nonstop
Boston → San Antonio
8h 40m
- • nonstop
Delta Airlines
Aug 17 - Aug 21, Economy
Boston → San Antonio
7h 4m
9:01 AM - 12:25 PM • nonstop
Boston → San Antonio
7h 7m
1:20 PM - 6:47 PM • nonstop
Delta Airlines
Aug 16 - Aug 20, Economy
Boston → San Antonio
7h 4m
9:01 AM - 12:25 PM • nonstop
Boston → San Antonio
7h 7m
1:20 PM - 6:47 PM • nonstop
Delta Airlines
FAQs on Boston to San Antonio Flights
What are the airports in Boston?
BOS
What’s the most popular airline flying from BOS to SAT?
The most popular airline flying from Boston to San Antonio are
Can I fly from BOS to SAT non-stop?
Yes, you can fly BOS to SAT non-stop on
Which airlines fly nonstop between Boston and San Antonio?
The non-stop flights between Boston and San Antonio are .
What’s the earliest departure time from BOS to SAT Airport?
The earliest flight leaves BOS at 5:35 am and lands in SAT - San Antonio International
What are the airports in San Antonio?
SAT
Can I make changes to my Boston to San Antonio flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from BOS to SAT?
Read the fare rules of the Boston to San Antonio air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Boston and San Antonio?
operate flights between Boston and San Antonio
How long does a flight from Boston to San Antonio take?
It takes approximately 4 hour to fly non-stop from BOS to SAT, which is 1764.01 miles by air.
Which airlines provide the cheapest flights from Boston (BOS) to San Antonio (SAT) ?
In the past couple of days, the cheapest tickets to SAT from BOS were found on WN : USD 714
Do I need a passport to fly between BOS and SAT?
No
What’s the latest departure time from BOS to SAT ?
The last flight leaves BOS at 6:000 pm
Boston (BOS) to San Antonio (SAT): Airport Information
| Origin Airport | Logan International, Boston, US |
| Destination Airport | San Antonio International , San Antonio, US |
| Distance | 1764 miles |
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