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Cheap flights from Baltimore to San Antonio from $68

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 3/2. 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 Baltimore to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 am - 4:20 pm
BWI
-
SAT
11h 20m
1 stop
Multiple Airlines Logo
10:26 am - 11:31 pm
SAT
-
BWI
12h 05m
1 stop
$155Multiple Airlines
Mon, Mar 2 - Wed, Mar 4
Multiple Airlines Logo
7:19 pm - 4:19 pm
BWI
-
SAT
22h 00m
1 stop
Multiple Airlines Logo
10:26 am - 12:31 am
SAT
-
BWI
13h 05m
2 stops
$156Multiple Airlines
Sat, Feb 21 - Wed, Feb 25
Multiple Airlines Logo
6:00 am - 4:20 pm
BWI
-
SAT
11h 20m
1 stop
Multiple Airlines Logo
10:26 am - 12:31 am
SAT
-
BWI
13h 05m
2 stops
$158Multiple Airlines
Mon, Mar 2 - Wed, Mar 4
Multiple Airlines Logo
5:31 am - 2:41 pm
BWI
-
SAT
10h 10m
1 stop
Multiple Airlines Logo
10:22 am - 11:59 pm
SAT
-
BWI
12h 37m
1 stop
$160Multiple Airlines
Mon, Mar 9 - Wed, Mar 25
Multiple Airlines Logo
5:31 am - 2:41 pm
BWI
-
SAT
10h 10m
1 stop
Multiple Airlines Logo
10:22 am - 6:45 pm
SAT
-
BWI
7h 23m
1 stop
$163Multiple Airlines
Mon, Mar 9 - Wed, Mar 25
Multiple Airlines Logo
5:31 am - 2:41 pm
BWI
-
SAT
10h 10m
1 stop
Multiple Airlines Logo
10:26 am - 8:41 am
SAT
-
BWI
21h 15m
1 stop
$165Multiple Airlines
Mon, Mar 9 - Wed, Mar 11
Multiple Airlines Logo
12:30 pm - 9:30 am
BWI
-
SAT
22h 00m
1 stop
Multiple Airlines Logo
10:22 am - 10:13 am
SAT
-
BWI
22h 51m
1 stop
$166Multiple Airlines
Tue, Mar 10 - Tue, Mar 31
Multiple Airlines Logo
7:19 pm - 4:19 pm
BWI
-
SAT
22h 00m
1 stop
Multiple Airlines Logo
10:26 am - 9:06 am
SAT
-
BWI
21h 40m
1 stop
$167Multiple Airlines
Sat, Feb 21 - Wed, Feb 25
Multiple Airlines Logo
3:19 pm - 12:17 am
BWI
-
SAT
33h 58m
2 stops
Multiple Airlines Logo
10:22 am - 6:45 pm
SAT
-
BWI
7h 23m
1 stop
$172Multiple Airlines
Mon, Mar 9 - Wed, Mar 25
Multiple Airlines Logo
6:00 am - 4:19 pm
BWI
-
SAT
11h 19m
1 stop
Multiple Airlines Logo
10:26 am - 11:31 pm
SAT
-
BWI
12h 05m
1 stop
$174Multiple Airlines
Sun, Mar 1 - Tue, Mar 10

Frontier flights from Baltimore to San Antonio

Our best Frontier deals on Baltimore to San Antonio flight tickets
Frontier
Feb 27
BWI6:00 amBaltimore/Washington
11h 15m
1 stop
SAT4:15 pmSan Antonio
Mar 1
SAT5:04 pmSan Antonio
23h 09m
1 stop
BWI5:13 pmBaltimore/Washington
$203
Frontier
Mar 2
BWI6:00 amBaltimore/Washington
11h 20m
1 stop
SAT4:20 pmSan Antonio
Mar 6
SAT3:46 pmSan Antonio
23h 12m
1 stop
BWI3:58 pmBaltimore/Washington
$208
Frontier
Mar 6
BWI6:38 pmBaltimore/Washington
15h 28m
2 stops
SAT9:06 amSan Antonio
Mar 9
SAT3:36 pmSan Antonio
21h 48m
1 stop
BWI2:24 pmBaltimore/Washington
$217

Spirit Airlines flights from Baltimore to San Antonio

Our best Spirit Airlines deals on Baltimore to San Antonio flight tickets
Spirit Airlines
Mar 18
BWI6:25 amBaltimore/Washington
28h 02m
1 stop
SAT9:27 amSan Antonio
Mar 25
SAT10:22 amSan Antonio
21h 52m
1 stop
BWI9:14 amBaltimore/Washington
$181
Spirit Airlines
Feb 24
BWI11:30 amBaltimore/Washington
13h 29m
1 stop
SAT11:59 pmSan Antonio
Feb 28
SAT6:00 amSan Antonio
15h 53m
1 stop
BWI10:53 pmBaltimore/Washington
$185
Spirit Airlines
Feb 24
BWI6:20 amBaltimore/Washington
18h 39m
2 stops
SAT11:59 pmSan Antonio
Feb 28
SAT6:00 amSan Antonio
15h 53m
1 stop
BWI10:53 pmBaltimore/Washington
$195

momondo Fare Finder

 
Customize your flight search to find flights from Baltimore 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 February 8, 2026.
Use the filters below to find and compare flights from Baltimore to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

Mon 3/2

6:00 am-4:20 pm

1 stop11h 20m

San Antonio

Wed 3/4

10:26 am-11:31 pm

1 stop12h 05m

$155

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

Sat 2/21

7:19 pm-4:19 pm

1 stop22h 00m

San Antonio

Wed 2/25

10:26 am-12:31 am

2 stops13h 05m

$156

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

Mon 3/2

6:00 am-4:20 pm

1 stop11h 20m

San Antonio

Wed 3/4

10:26 am-12:31 am

2 stops13h 05m

$158

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

Mon 3/9

5:31 am-2:41 pm

1 stop10h 10m

San Antonio

Wed 3/25

10:22 am-11:59 pm

1 stop12h 37m

$160

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

Mon 3/9

5:31 am-2:41 pm

1 stop10h 10m

San Antonio

Wed 3/25

10:22 am-6:45 pm

1 stop7h 23m

$163

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

Mon 3/9

5:31 am-2:41 pm

1 stop10h 10m

San Antonio

Wed 3/11

10:26 am-8:41 am

1 stop21h 15m

$165

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

Tue 3/10

12:30 pm-9:30 am

1 stop22h 00m

San Antonio

Tue 3/31

10:22 am-10:13 am

1 stop22h 51m

$166

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

Sat 2/21

7:19 pm-4:19 pm

1 stop22h 00m

San Antonio

Wed 2/25

10:26 am-9:06 am

1 stop21h 40m

$167

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

Mon 3/9

3:19 pm-12:17 am

2 stops33h 58m

San Antonio

Wed 3/25

10:22 am-6:45 pm

1 stop7h 23m

$172

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

Sun 3/1

6:00 am-4:19 pm

1 stop11h 19m

San Antonio

Tue 3/10

10:26 am-11:31 pm

1 stop12h 05m

$174

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 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 August, then book flights to San Antonio from Baltimore during September instead. Flights to San Antonio in September, while not as cheap as those in August, still average around $327.

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 $333. 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 $489.

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 $318. 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 morning, with an average ticket price of $395. Departure times in the morning 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 weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $402 when searching 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 $215 on momondo.

What cabin class options are available on Baltimore/Washington to San Antonio flights?

There is only 1 cabin class 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.

Can stopping save me money on Baltimore to San Antonio flights?

No. A direct flight is the cheapest option for a flight between Baltimore to San Antonio.

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

As of February 2026, prices for Baltimore to San Antonio flights are approximately 72% 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

$209

Fastest flight time

3h 30m

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 $209. The best round-trip flight deal from Baltimore to San Antonio found on momondo in the last 72 hours is $468.
The fastest flight from Baltimore to San Antonio takes 3h 30m
Direct flights go from Baltimore to San Antonio every day.
There is 1 airport in San Antonio. From Baltimore there are direct flights to San Antonio (SAT).
Search flight deals

  • 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 30m.

  • 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
Spirit AirlinesPriceFrom $94Free CancellationRating
6.3
8,430 reviews
Search Spirit Airlines flights
FrontierPriceFrom $144Free CancellationRating
5.7
3,052 reviews
Search Frontier flights
American AirlinesPriceFrom $158Free CancellationRating
7.2
11,249 reviews
Search American Airlines flights
DeltaPriceFrom $236Free CancellationRating
7.9
8,172 reviews
Search Delta flights
United AirlinesPriceFrom $240Free CancellationRating
7.4
9,254 reviews
Search United Airlines flights
SouthwestPriceFrom $277Free 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 $277. Generally, Southwest has 5 flights on this route every week with an average price of $469. 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
Boerne
Pleasanton
Schertz

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.

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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