Cheap flights from Baltimore to San Antonio from $63
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Baltimore to San Antonio departing on 8/15. 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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Spirit Airlines flights from Baltimore to San Antonio
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Southwest flights from Baltimore to San Antonio
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How to get the cheapest flight ticket from Baltimore 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 to San Antonio?
If you aren’t able to travel during the month of January, then book flights to San Antonio from Baltimore during August instead. Flights to San Antonio in August, while not as cheap as those in January, still average around $290.
What is the cheapest day to depart on your flight to San Antonio?
The cheapest day to depart on your flight to San Antonio is on a Wednesday when prices can be found for as low as $372. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Sunday is $492.
What is the cheapest time of day to depart on your flight to San Antonio?
According to our data, the cheapest time of day to fly to San Antonio is in the evening. momondo users have found flights departing from Baltimore to San Antonio in the evening for as low as $319. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly in the afternoon, with an average ticket price of $423. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Baltimore/Washington to San Antonio flight route?
Fly from Baltimore/Washington to San Antonio for the best Baltimore/Washington - San Antonio flight prices
How far in advance should I book a flight to San Antonio?
You are more likely to see cheaper flights to San Antonio from Baltimore when booking 12 weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $391 when searching 12 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Baltimore for as low as $293 on momondo.
What cabin class options are available on Baltimore/Washington to San Antonio flights?
There are 1 cabin classes available to choose from on Baltimore/Washington to San Antonio flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Baltimore/Washington to San Antonio?
Spirit Airlines, Southwest, and American Airlines are the most popular carriers operating from Baltimore/Washington to San Antonio
What airlines fly to San Antonio?
United Airlines, Southwest and American Airlines are the top three most popular airlines that fly to San Antonio from Baltimore according to our data. United Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to San Antonio. Keep in mind that there are 7 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.
How many flights depart from Baltimore to San Antonio on average per day?
The number of flights available between Baltimore and San Antonio is 2 per day as of June 2025. The most frequent departure time is 3:00PM, with 37% of daily flights leaving at noon.
How many flights depart from Baltimore to San Antonio on average per week?
As of June 2025, 18 flights take off from Baltimore and land in San Antonio each week. The most common flight departure day for this route is Mon, with 22% of weekly flights taking off on this day.
When to book flights from Baltimore to San Antonio
Cheap Baltimore to San Antonio (BWI to SAT) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Baltimore to San Antonio
How far is Baltimore/Washington to San Antonio by plane?
A flight from Baltimore/Washington to San Antonio will travel around 1415.7 mi. In terms of flight time, this usually takes a little over 3h 29m.
When did momondo last update prices for flights from Baltimore/Washington Airport to San Antonio Airport?
Prices for flights from Baltimore/Washington Airport to San Antonio Airport refresh daily.
How many operators does momondo search for flights from Baltimore/Washington Airport to San Antonio Airport?
As of June 2025, there are 5 operators available to choose from for flights from Baltimore/Washington Airport to San Antonio Airport.
How old do you have to be to fly from Baltimore/Washington Airport to San Antonio Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Baltimore/Washington Airport to San Antonio Airport.
What documentation or ID do you need to fly to San Antonio Airport?
The required travel and health documents for your San Antonio Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Antonio Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Baltimore to San Antonio?
momondo data reveals that the most frequently booked plane model on the route from Baltimore to San Antonio is Boeing 737 MAX 8, representing 23.72% of all bookings. The subsequent popular models are Boeing 737-700 Passenger/BBJ1 (winglets) at 14.57%, Boeing 737-800 Passenger/BBJ2 (winglets) at 14.42%, and Boeing 737-900 at 14.11%.
What is the most popular airline from Baltimore to San Antonio?
Based on momondo bookings for flights between Baltimore and San Antonio, the leading airline is Southwest, making up 44% of the total bookings. Other popular airlines include Spirit Airlines with 26%, American Airlines with 15%, and Delta with 11%.
Best airlines flying from Baltimore to San Antonio
Compare and see reviews for airlines that fly from Baltimore to San Antonio with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $121 | Free Cancellation | Rating 6.3 8,052 reviews | |||
| PriceFrom $166 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $229 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $238 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $281 | Free Cancellation | Rating 8.0 4,287 reviews |
Southwest Flights From Baltimore to San Antonio
The lowest priced Southwest flight from Baltimore to San Antonio from the last 72 hours was $281. Generally, Southwest has 18 flights on this route every week with an average price of $466. Southwest is rated 8.0/10 by our users.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Baltimore to San Antonio?
It is quick and easy to find Baltimore to San Antonio flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Antonio that suits you.
Can I find flights from Baltimore to San Antonio with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to San Antonio from Baltimore with this policy.
How can momondo help me find flights from Baltimore to San Antonio?
Once all potential Baltimore to San Antonio flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Baltimore to San Antonio right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Baltimore to San Antonio now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Antonio and let you know when they change.