$94 Find Cheap Flights from Baltimore to San Antonio - Compare and Save

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

• Earliest: departs at 7:00 am and lands at 10:58 am
• Latest: departs at 8:40 pm and lands at 12:38 am.

The flight takes about 3h 58m.

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

• Economy Class
• First Class

A nonstop flight from Baltimore to San Antonio takes 3h 58m, covering 1,405 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 Baltimore to San Antonio range from $402 to $577, with an average of $477 over the past 12 months. Anything below $402 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 36% above the $477 route average. Book 22 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $289 round-trip via Orlando (MCO), compared to $508 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $45–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 737 MAX 8 family is used most often on this route, operated mainly by Southwest and United Airlines. Other aircraft seen on the route include Boeing 737-700 variants.

Morning is the busiest departure period on Baltimore to San Antonio flights, with 50% of flights leaving in that window. Evening departures account for 50%, afternoon flights for 0%, and night flights for 0%.

JetBlue is the only airline on the Baltimore to San Antonio route offering in-flight Wi-Fi. Pricing depends on fare class.

One-way fares from Baltimore to San Antonio are currently lower than usual. Average one-way flight prices are about $117, which is 55% below the typical average for this route.

San Antonio Airport (SAT) hosts 5 major car rental companies, with daily rates averaging $52 for economy cars. Top options include:

• Europcar
• Fox
• Dollar
• Hertz
• Alamo

Flights from Baltimore to San Antonio usually depart from Baltimore/Washington (BWI) and arrive at San Antonio (SAT).

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

• Atlanta Hartsfield-Jackson (ATL) - 37% of one-stop connections
• Charlotte Douglas (CLT) - 22% of one-stop connections
• Houston George Bush Intcntl (IAH) - 11% of one-stop connections
• Dallas/Fort Worth (DFW) - 10% of one-stop connections

Yes. Flexible dates can save you up to 19% on flights from Baltimore to San Antonio. Tuesday is the cheapest departure day at $434 round-trip on average, while Monday is the most expensive at $530, a difference of $96.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Only Southwest operates flights between Baltimore and San Antonio.

Flying via Lambert-St Louis (STL) gives the shortest average 1-stop total travel time at 5h 12m, compared with 5h 26m via Charlotte Douglas (CLT) and 5h 29m via Dallas Love Field (DAL).

San Antonio is 1 hour behind Baltimore (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 Baltimore to San Antonio flights:

• Southwest: 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:

• Southwest: 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.

JetBlue tops the list of airlines preferred by most of the travelers flying from Baltimore to San Antonio, accompanied by their children. The airline is quite popular for having the most of extra legroom and spacious seats in all its cabins. Additionally, parents accompanied by their kids enjoy priority boarding at BWI and priority deplaning at SAT.

Booking a flight from Baltimore to San Antonio put you in a better position to connect to several other cities served by San Antonio International Airport (SAT). Concan, Fredericksburg, Port Aransas, and Boerne are among the cities to which you can easily get to from SAT.

Among the airlines flying to San Antonio from Baltimore, American Airlines tops the list of those offering highly eco-friendly flights. Increased use of sustainable aviation fuel to reduce its overall carbon emission and recycling of aluminum cans are among the activities that make American Airlines more eco-friendly.

Yes. If you book economy with United Airlines or American Airlines for your flight to San Antonio from Baltimore, you will have a chance to upgrade to first class by paying a small upgrade fee.