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Cheap flights from Baltimore to San Antonio from $65

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 1/14. 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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Frontier Logo
6:00 am - 4:43 pmBWI-SAT
11h 43m1 stop
Frontier Logo
5:38 pm - 12:24 amSAT-BWI
5h 46m1 stop
$134Frontier
Find Deal
sex, jan 9 - seg, jan 12
Frontier Logo
11:48 am - 4:51 pmBWI-SAT
6h 03m1 stop
Frontier Logo
5:46 pm - 12:24 amSAT-BWI
5h 38m1 stop
$138Frontier
Find Deal
sex, dez 5 - dom, dez 7
Frontier Logo
11:48 am - 4:51 pmBWI-SAT
6h 03m1 stop
Frontier Logo
5:46 pm - 12:24 amSAT-BWI
5h 38m1 stop
$142Frontier
Find Deal
sex, dez 12 - dom, dez 14
Frontier Logo
5:40 am - 4:08 pmBWI-SAT
11h 28m1 stop
Frontier Logo
7:39 pm - 8:23 amSAT-BWI
11h 44m1 stop
$144Frontier
Find Deal
sex, nov 21 - dom, nov 23
Frontier Logo
8:45 pm - 6:44 pmBWI-SAT
22h 59m1 stop
Frontier Logo
5:07 pm - 11:58 pmSAT-BWI
5h 51m1 stop
$145Frontier
Find Deal
sáb, nov 22 - seg, nov 24
Spirit Airlines Logo
11:13 am - 6:32 pmBWI-SAT
8h 19m1 stop
Spirit Airlines Logo
7:37 pm - 1:21 pmSAT-BWI
16h 44m2 stops
$162Spirit Airlines
Find Deal
qui, nov 20 - seg, nov 24
Multiple Airlines Logo
10:41 am - 3:59 pmBWI-SAT
6h 18m1 stop
Multiple Airlines Logo
5:07 pm - 11:58 pmSAT-BWI
5h 51m1 stop
$166Multiple Airlines
Find Deal
sáb, nov 22 - seg, nov 24
Multiple Airlines Logo
5:40 am - 6:32 pmBWI-SAT
13h 52m1 stop
Multiple Airlines Logo
7:11 pm - 8:23 amSAT-BWI
12h 12m1 stop
$167Multiple Airlines
Find Deal
seg, nov 24 - ter, nov 25
Spirit Airlines Logo
10:41 am - 3:59 pmBWI-SAT
6h 18m1 stop
Spirit Airlines Logo
7:37 pm - 5:24 pmSAT-BWI
20h 47m2 stops
$168Spirit Airlines
Find Deal
sáb, nov 22 - seg, nov 24
American Airlines Logo
7:25 pm - 12:28 amBWI-SAT
6h 03m1 stop
American Airlines Logo
7:21 am - 1:48 pmSAT-BWI
5h 27m1 stop
$179American Airlines
Find Deal
ter, dez 2 - qua, dez 3

Spirit Airlines flights from Baltimore to San Antonio

Our best Spirit Airlines deals on Baltimore to San Antonio flight tickets
Spirit Airlines
Nov 20
BWI11:13 amBaltimore/Washington
8h 19m
1 stop
SAT6:32 pmSan Antonio
Nov 24
SAT7:37 pmSan Antonio
16h 44m
2 stops
BWI1:21 pmBaltimore/Washington
$162
Find similar
Spirit Airlines
Nov 22
BWI10:41 amBaltimore/Washington
6h 18m
1 stop
SAT3:59 pmSan Antonio
Nov 24
SAT7:37 pmSan Antonio
20h 47m
2 stops
BWI5:24 pmBaltimore/Washington
$168
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

Frontier flights from Baltimore to San Antonio

Our best Frontier deals on Baltimore to San Antonio flight tickets
Frontier
Jan 9
BWI6:00 amBaltimore/Washington
11h 43m
1 stop
SAT4:43 pmSan Antonio
Jan 12
SAT5:38 pmSan Antonio
5h 46m
1 stop
BWI12:24 amBaltimore/Washington
$134
Find similar
Frontier
Dec 5
BWI11:48 amBaltimore/Washington
6h 03m
1 stop
SAT4:51 pmSan Antonio
Dec 7
SAT5:46 pmSan Antonio
5h 38m
1 stop
BWI12:24 amBaltimore/Washington
$138
Find similar
Frontier
Dec 12
BWI11:48 amBaltimore/Washington
6h 03m
1 stop
SAT4:51 pmSan Antonio
Dec 14
SAT5:46 pmSan Antonio
5h 38m
1 stop
BWI12:24 amBaltimore/Washington
$142
Find similar

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 novembro 6, 2025.
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

sex 1/9

6:00 am-4:43 pm

1 stop11h 43m

San Antonio

seg 1/12

5:38 pm-12:24 am

1 stop5h 46m

$134

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

sex 12/5

11:48 am-4:51 pm

1 stop6h 03m

San Antonio

dom 12/7

5:46 pm-12:24 am

1 stop5h 38m

$138

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

sex 12/12

11:48 am-4:51 pm

1 stop6h 03m

San Antonio

dom 12/14

5:46 pm-12:24 am

1 stop5h 38m

$142

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

sex 11/21

5:40 am-4:08 pm

1 stop11h 28m

San Antonio

dom 11/23

7:39 pm-8:23 am

1 stop11h 44m

$144

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

sáb 11/22

8:45 pm-6:44 pm

1 stop22h 59m

San Antonio

seg 11/24

5:07 pm-11:58 pm

1 stop5h 51m

$145

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

qui 11/20

11:13 am-6:32 pm

1 stop8h 19m

San Antonio

seg 11/24

7:37 pm-1:21 pm

2 stops16h 44m

$162

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

sáb 11/22

10:41 am-3:59 pm

1 stop6h 18m

San Antonio

seg 11/24

5:07 pm-11:58 pm

1 stop5h 51m

$166

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

seg 11/24

5:40 am-6:32 pm

1 stop13h 52m

San Antonio

ter 11/25

7:11 pm-8:23 am

1 stop12h 12m

$167

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

sáb 11/22

10:41 am-3:59 pm

1 stop6h 18m

San Antonio

seg 11/24

7:37 pm-5:24 pm

2 stops20h 47m

$168

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

ter 12/2

7:25 pm-12:28 am

1 stop6h 03m

San Antonio

qua 12/3

7:21 am-1:48 pm

1 stop5h 27m

$179

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 January instead. Flights to San Antonio in January, while not as cheap as those in August, still average around $310.

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 Baltimore 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 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 $386 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 $289 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.

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

As of November 2025, prices for Baltimore to San Antonio flights are approximately 167% 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

$201

Fastest flight time

3h 45m

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 $201. The best round-trip flight deal from Baltimore to San Antonio found on momondo in the last 72 hours is $447.
The fastest flight from Baltimore to San Antonio takes 3h 45m
Direct flights go from Baltimore to San Antonio every day.
There is 1 airport near San Antonio: 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 6h 03m.

  • 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
5.8
3,116 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $114Free CancellationRating
6.3
8,122 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $158Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
DeltaPriceFrom $236Free CancellationRating
7.9
8,001 reviews
Search Delta flights
United AirlinesPriceFrom $240Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights
SouthwestPriceFrom $280Free CancellationRating
8.0
4,241 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 12 flights on this route every week with an average price of $470. 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
Boerne
Kerrville
Schertz
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.

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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