$109 Find Cheap Flights from Boston to San Antonio - Compare and Save

These are the earliest and latest flight times available from Boston to San Antonio:

• Earliest: departs at 9:05 am and lands at 1:49 pm
• Latest: departs at 12:55 pm and lands at 5:39 pm.

The flight takes about 4h 44m.

Two cabin classes are available on flights from Boston to San Antonio:

• Economy Class
• First Class

A nonstop flight from Boston to San Antonio takes 4h 44m, covering 1,761 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Round-trip flights from Boston to San Antonio range from $351 to $577, with an average of $442 over the past 12 months. Anything below $351 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 60% above the $442 route average. Book 25 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $200 round-trip via Philadelphia (PHL), compared to $454 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $35–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Airbus A220-300 family is used most often on this route, operated mainly by JetBlue and Delta. Other aircraft seen on the route include Airbus A220 variants.

Morning is the busiest departure period on Boston to San Antonio flights, with 100% of flights leaving in that window. Afternoon departures account for 0%, evening flights for 0%, and night flights for 0%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $309 to $1,805. That means the highest observed fare was about 6x higher than the lowest one.

Two airlines offer in-flight Wi-Fi on Boston to San Antonio flights:

• Delta
• JetBlue

Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

One-way fares from Boston to San Antonio are currently lower than usual. Average one-way flight prices are about $154, which is 42% below the typical average for this route.

San Antonio Airport (SAT) hosts 5 major car rental companies, with daily rates starting from around $22 for economy cars. Top options include:

• Europcar
• Fox
• Dollar
• Hertz
• Alamo

Flights from Boston to San Antonio usually depart from Boston Logan Intl (BOS) and arrive at San Antonio (SAT).

One-stop flights from Boston to San Antonio most commonly connect through:

• Atlanta Hartsfield-Jackson (ATL) - 18% of one-stop connections
• Lambert-St Louis (STL) - 14% of one-stop connections
• Houston George Bush Intcntl (IAH) - 12% of one-stop connections
• Nashville Intl (BNA) - 10% of one-stop connections

Yes. Flexible dates can save you up to 21% on flights from Boston to San Antonio. Saturday is the cheapest departure day at $423 round-trip on average, while Monday is the most expensive at $534, a difference of $111.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

Only Delta operates flights between Boston and San Antonio.

Flying via Lambert-St Louis (STL) gives the shortest average 1-stop total travel time at 5h 50m, compared with 6h 02m via Nashville Intl (BNA) and 6h 09m via Philadelphia (PHL).

San Antonio is 1 hour behind Boston (Central Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in San Antonio are San Antonio River Walk, SeaWorld San Antonio and Alamodome. These are among the most viewed places in San Antonio on KAYAK.

Among airlines operating Boston to San Antonio flights:

• Delta: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• Delta: a cabin bag and a checked bag in Economy Class
• JetBlue: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

You can get to BOS from the city center by train, bus, or taxi. The cheapest and easiest way is through the T, which can help you reach BOS. Most people don't like being on public transportation due to some inconveniences, and that's where you can hire a taxi to get you to BOS within about 30min.

Yes, BOS has various kid's play areas where you can leave your kids to have fun as you clear with the airport desks. The kids' spaces are located at terminal B kid port, past security at gate 30 to B36. The other kids' play section can be found in the retail corridor near entrances B15 to B16. These areas are safe spaces for kids to play, and they are located near the washrooms and concessions.

There are several airport lounges at SAT where you can relax and grab a drink. Some lounges include the United Club located in terminal B between gates B3 and B5. The USO lounge is located at terminal B around the Baggage Claim area. And, another Delta Sky Club is situated in terminal 4, concourse B near gate 31.

Information desks are located in various terminals at SAT, where you can inquire about any information. The information areas are found in the baggage claim area and the ticketing area at all the terminals. Also, there is personnel in blue uniforms which can assist you with any question you may need clarification.