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Cheap flights from Maryland to San Antonio from $40

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Maryland to San Antonio departing on 1/5. 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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Find the cheapest flights from Maryland to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:00 am - 4:43 pmBWI-SAT
11h 43m1 stop
Frontier Logo
7:34 pm - 7:47 amSAT-BWI
11h 13m1 stop
$138Frontier
Find Deal
Fri, Jan 9 - Sun, Jan 11
Frontier Logo
8:37 am - 7:55 amBWI-SAT
24h 18m1 stop
Frontier Logo
5:46 pm - 12:24 amSAT-BWI
5h 38m1 stop
$139Frontier
Find Deal
Sat, Dec 13 - Sun, Dec 14
Multiple Airlines Logo
7:30 am - 7:38 pmBWI-SAT
13h 08m1 stop
Multiple Airlines Logo
7:38 pm - 8:23 amSAT-BWI
11h 45m1 stop
$161Multiple Airlines
Find Deal
Sun, Nov 23 - Thu, Nov 27
Spirit Airlines Logo
11:30 am - 12:07 amBWI-SAT
13h 37m1 stop
Spirit Airlines Logo
6:30 am - 11:17 pmSAT-BWI
15h 47m1 stop
$174Spirit Airlines
Find Deal
Tue, Jan 27 - Thu, Jan 29
Spirit Airlines Logo
11:30 am - 12:07 amBWI-SAT
13h 37m1 stop
Spirit Airlines Logo
6:30 am - 11:17 pmSAT-BWI
15h 47m1 stop
$175Spirit Airlines
Find Deal
Wed, Feb 4 - Fri, Feb 6
Multiple Airlines Logo
5:40 am - 6:32 pmBWI-SAT
13h 52m1 stop
Multiple Airlines Logo
7:39 pm - 8:23 amSAT-BWI
11h 44m1 stop
$176Multiple Airlines
Find Deal
Thu, Nov 20 - Sun, Nov 23
United Airlines Logo
5:25 pm - 8:15 pmIAD-SAT
3h 50mnonstop
United Airlines Logo
2:22 pm - 10:15 pmSAT-IAD
6h 53m1 stop
$259United Airlines
Find Deal
Fri, Dec 5 - Mon, Dec 8
Southwest Logo
2:45 pm - 7:05 pmDCA-SAT
5h 20m1 stop
Southwest Logo
10:15 am - 4:00 pmSAT-DCA
4h 45m1 stop
$260Southwest
Find Deal
Wed, Jan 21 - Wed, Jan 28
United Airlines Logo
5:25 pm - 8:24 pmIAD-SAT
3h 59mnonstop
United Airlines Logo
7:05 am - 11:14 amSAT-IAD
3h 09mnonstop
$261United Airlines
Find Deal
Wed, Dec 24 - Mon, Jan 5
Southwest Logo
2:45 pm - 7:05 pmDCA-SAT
5h 20m1 stop
Southwest Logo
6:10 am - 3:25 pmSAT-DCA
8h 15m2 stops
$270Southwest
Find Deal
Wed, Jan 21 - Wed, Jan 28

Frontier flights from Maryland to San Antonio

Our best Frontier deals on Maryland to San Antonio flight tickets
Frontier
Jan 9
BWI6:00 amBaltimore/Washington
11h 43m
1 stop
SAT4:43 pmSan Antonio
Jan 11
SAT7:34 pmSan Antonio
11h 13m
1 stop
BWI7:47 amBaltimore/Washington
$138
Find similar
Frontier
Dec 13
BWI8:37 amBaltimore/Washington
24h 18m
1 stop
SAT7:55 amSan Antonio
Dec 14
SAT5:46 pmSan Antonio
5h 38m
1 stop
BWI12:24 amBaltimore/Washington
$139
Find similar
Frontier
Dec 12
BWI5:45 amBaltimore/Washington
12h 06m
1 stop
SAT4:51 pmSan Antonio
Dec 14
SAT5:46 pmSan Antonio
5h 38m
1 stop
BWI12:24 amBaltimore/Washington
$142
Find similar

Spirit Airlines flights from Maryland to San Antonio

Our best Spirit Airlines deals on Maryland to San Antonio flight tickets
Spirit Airlines
Jan 27
BWI11:30 amBaltimore/Washington
13h 37m
1 stop
SAT12:07 amSan Antonio
Jan 29
SAT6:30 amSan Antonio
15h 47m
1 stop
BWI11:17 pmBaltimore/Washington
$174
Find similar
Spirit Airlines
Feb 4
BWI11:30 amBaltimore/Washington
13h 37m
1 stop
SAT12:07 amSan Antonio
Feb 6
SAT6:30 amSan Antonio
15h 47m
1 stop
BWI11:17 pmBaltimore/Washington
$175
Find similar
Spirit Airlines
Dec 2
BWI11:13 amBaltimore/Washington
8h 19m
1 stop
SAT6:32 pmSan Antonio
Dec 4
SAT3:10 pmSan Antonio
8h 13m
1 stop
BWI12:23 amBaltimore/Washington
$185
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Maryland to San Antonio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 10, 2025.
Use the filters below to find and compare flights from Maryland to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

Fri 1/9

6:00 am-4:43 pm

1 stop11h 43m

San Antonio

Sun 1/11

7:34 pm-7:47 am

1 stop11h 13m

$138

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

Sat 12/13

8:37 am-7:55 am

1 stop24h 18m

San Antonio

Sun 12/14

5:46 pm-12:24 am

1 stop5h 38m

$139

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

Sun 11/23

7:30 am-7:38 pm

1 stop13h 08m

San Antonio

Thu 11/27

7:38 pm-8:23 am

1 stop11h 45m

$161

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

Tue 1/27

11:30 am-12:07 am

1 stop13h 37m

San Antonio

Thu 1/29

6:30 am-11:17 pm

1 stop15h 47m

$174

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

Wed 2/4

11:30 am-12:07 am

1 stop13h 37m

San Antonio

Fri 2/6

6:30 am-11:17 pm

1 stop15h 47m

$175

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

Thu 11/20

5:40 am-6:32 pm

1 stop13h 52m

San Antonio

Sun 11/23

7:39 pm-8:23 am

1 stop11h 44m

$176

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Fri 12/5

5:25 pm-8:15 pm

Nonstop3h 50m

San Antonio

Mon 12/8

2:22 pm-10:15 pm

1 stop6h 53m

$259

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Wed 1/21

2:45 pm-7:05 pm

1 stop5h 20m

San Antonio

Wed 1/28

10:15 am-4:00 pm

1 stop4h 45m

$260

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Wed 12/24

5:25 pm-8:24 pm

Nonstop3h 59m

San Antonio

Mon 1/5

7:05 am-11:14 am

Nonstop3h 09m

$261

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Wed 1/21

2:45 pm-7:05 pm

1 stop5h 20m

San Antonio

Wed 1/28

6:10 am-3:25 pm

2 stops8h 15m

$270

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Antonio from

How to get the cheapest flight ticket from Maryland 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 August, then book flights to San Antonio from Maryland during October instead. Flights to San Antonio in October, while not as cheap as those in August, still average around $317.

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 Tuesday when prices can be found for as low as $354. 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 $507.

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 Maryland to San Antonio in the evening for as low as $316. 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 $416. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Maryland to San Antonio flight route?

Fly from Baltimore/Washington to San Antonio for the best Maryland - 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 Maryland when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $392 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Maryland for as low as $309 on momondo.

What cabin class options are available on Maryland to San Antonio flights?

There is only 1 cabin class available to choose from on Maryland to San Antonio flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Maryland to San Antonio flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Maryland to San Antonio

Best Price Found

$201

Fastest flight time

3h 40m

Direct flights

Every day

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from Maryland in the past 72 hours is $201. The best round-trip flight deal from Maryland to San Antonio found on momondo in the last 72 hours is $447.
The fastest flight from Maryland to San Antonio takes 3h 40m
Direct flights go from Maryland to San Antonio every day.
There is 1 airport near San Antonio: San Antonio (SAT)
Search flight deals

  • When did momondo last update prices for flights from Maryland to San Antonio Airport?

    Prices for flights from Maryland to San Antonio Airport were last updated today.

  • How many operators does momondo search for flights from Maryland to San Antonio Airport?

  • How old do you have to be to fly from Maryland to San Antonio Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Maryland 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 Maryland to San Antonio?

Best airlines flying from Maryland to San Antonio

Compare and see reviews for airlines that fly from Maryland to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $86Free CancellationRating
5.8
3,111 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $114Free CancellationRating
6.3
8,131 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $158Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
DeltaPriceFrom $236Free CancellationRating
7.9
8,004 reviews
Search Delta flights
United AirlinesPriceFrom $240Free CancellationRating
7.4
9,011 reviews
Search United Airlines flights
SouthwestPriceFrom $280Free CancellationRating
8.0
4,238 reviews
Search Southwest flights

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Boerne
Kerrville
Schertz
Pleasanton

Why use momondo?

Why should I use momondo to find a flight deal from Maryland to San Antonio?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Maryland to San Antonio for you.

Can I find flights from Maryland to San Antonio with flexible booking policies on momondo?

Yes. All flights to San Antonio from Maryland on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Maryland to San Antonio?

momondo helps you find the best flight between Maryland and San Antonio by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Maryland to San Antonio right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Maryland 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.

An easier way to manage your San Antonio trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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