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Cheap flights from Baltimore to San Antonio from $81

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 5/27. 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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0 bags

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Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Baltimore to San Antonio.
Spirit Airlines Logo
7:33 am - 10:11 amBWI-SAT
3h 38mnonstop
Spirit Airlines Logo
11:06 am - 3:26 pmSAT-BWI
3h 20mnonstop
$178Spirit Airlines
Find Deal
Mon, May 12 - Fri, May 16
Spirit Airlines Logo
8:44 pm - 1:42 pmBWI-SAT
17h 58m1 stop
Spirit Airlines Logo
7:00 am - 7:39 pmSAT-BWI
11h 39m1 stop
$179Spirit Airlines
Find Deal
Thu, May 8 - Sun, May 11
Spirit Airlines Logo
8:44 pm - 1:42 pmBWI-SAT
17h 58m1 stop
Spirit Airlines Logo
11:06 am - 3:26 pmSAT-BWI
3h 20mnonstop
$180Spirit Airlines
Find Deal
Tue, Jun 3 - Fri, Jun 6
 Logo
7:33 am - 10:11 amBWI-SAT
3h 38mnonstop
 Logo
8:25 pm - 5:22 pmSAT-BWI
19h 57m1 stop
Fri, May 16 - Sun, May 18
Frontier Logo
9:16 pm - 7:31 pmBWI-SAT
23h 15m1 stop
Frontier Logo
8:31 pm - 3:57 pmSAT-BWI
18h 26m1 stop
$241Frontier
Find Deal
Thu, May 15 - Mon, May 19
Frontier Logo
5:58 pm - 4:52 pmBWI-SAT
23h 54m1 stop
Frontier Logo
6:25 pm - 5:22 pmSAT-BWI
21h 57m1 stop
$271Frontier
Find Deal
Mon, Apr 28 - Thu, May 1
 Logo
8:44 pm - 1:42 pmBWI-SAT
17h 58m1 stop
 Logo
10:42 am - 4:28 pmSAT-BWI
28h 46m1 stop
Fri, May 23 - Mon, May 26
Delta Logo
7:00 am - 12:30 pmBWI-SAT
6h 30m1 stop
Delta Logo
6:10 pm - 5:40 amSAT-BWI
10h 30m1 stop
$335Delta
Find Deal
Wed, May 28 - Wed, May 28
Southwest Logo
10:10 am - 12:55 pmBWI-SAT
3h 45mnonstop
Southwest Logo
2:30 pm - 6:50 pmSAT-BWI
3h 20mnonstop
$345Southwest
Find Deal
Wed, May 28 - Wed, May 28
Southwest Logo
6:10 pm - 8:55 pmBWI-SAT
3h 45mnonstop
Southwest Logo
4:15 pm - 10:35 pmSAT-BWI
5h 20m1 stop
$351Southwest
Find Deal
Tue, May 20 - Sun, May 25

Spirit Airlines flights from Baltimore to San Antonio

Our best Spirit Airlines deals on Baltimore to San Antonio flight tickets
Spirit Airlines
May 12
BWI7:33 amBaltimore/Washington
3h 38m
SAT10:11 amSan Antonio
May 16
SAT11:06 amSan Antonio
3h 20m
BWI3:26 pmBaltimore/Washington
Spirit Airlines
May 8
BWI8:44 pmBaltimore/Washington
17h 58m
1 stop
SAT1:42 pmSan Antonio
May 11
SAT7:00 amSan Antonio
11h 39m
1 stop
BWI7:39 pmBaltimore/Washington
Spirit Airlines
Jun 3
BWI8:44 pmBaltimore/Washington
17h 58m
1 stop
SAT1:42 pmSan Antonio
Jun 6
SAT11:06 amSan Antonio
3h 20m
BWI3:26 pmBaltimore/Washington

Southwest flights from Baltimore to San Antonio

Our best Southwest deals on Baltimore to San Antonio flight tickets
Southwest
May 28
BWI10:10 amBaltimore/Washington
3h 45m
SAT12:55 pmSan Antonio
May 28
SAT2:30 pmSan Antonio
3h 20m
BWI6:50 pmBaltimore/Washington
Southwest
May 20
BWI6:10 pmBaltimore/Washington
3h 45m
SAT8:55 pmSan Antonio
May 25
SAT4:15 pmSan Antonio
5h 20m
1 stop
BWI10:35 pmBaltimore/Washington
Southwest
Apr 28
BWI7:00 pmBaltimore/Washington
3h 45m
SAT9:45 pmSan Antonio
May 1
SAT4:15 pmSan Antonio
3h 20m
BWI8:35 pmBaltimore/Washington

See travel insights to San Antonio from

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 $297.

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 $367. 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 $493.

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 $314. 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 $417. 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 16 weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $391 when searching 16 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 $285 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.

How have Baltimore to San Antonio flight prices changed over time?

As of April 2025, prices for Baltimore to San Antonio flights are approximately 170% more expensive when compared to flights at the same time last year.

When to book flights from Baltimore to San Antonio

Are you open to changing your travel dates? Check out the ideal times to fly from Baltimore to San Antonio according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

Best Price Found

$81

Fastest flight time

3h 29m

Direct flights

Every day

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from Baltimore in the past 72 hours is $81. The best round-trip flight deal from Baltimore to San Antonio found on momondo in the last 72 hours is $178.
The fastest flight from Baltimore to San Antonio takes 3h 29m
Direct flights go from Baltimore to San Antonio every day.
There is 1 airport near San Antonio: San Antonio (SAT)

  • 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?

  • 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?

  • What is the most popular airline from Baltimore to San Antonio?


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
FrontierPriceFrom $86Free CancellationRating
6.0
3,281 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $137Free CancellationRating
6.3
7,926 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $202Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $249Free CancellationRating
8.0
7,916 reviews
Search Delta flights
United AirlinesPriceFrom $279Free CancellationRating
7.4
8,667 reviews
Search United Airlines flights
SouthwestPriceFrom $280Free CancellationRating
8.0
4,280 reviews
Search Southwest flights
  • Southwest Flights From Baltimore to San Antonio

    The lowest priced Southwest flight from Baltimore to San Antonio from the last 72 hours was $280. Generally, Southwest has 10 flights on this route every week with an average price of $475. 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 locations
New Braunfels
Kerrville
Schertz
Boerne
Pleasanton

Why 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.


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