Cheap Flights from Baltimore, MD to San Antonio, TX from $54

On Cheapflightsplus.com you will find 2 direct and 303 connecting flights from Baltimore to San Antonio. You can compare airfare deals from 6 airlines and multiple travel sites from $54, book and save on cheap plane tickets and last minute offers. Also check out BWI-SAT flight schedule to find best flight time, convenient departure and arrival airports.

Flight Information

Below we will explain in detail what the flights cost on the destination from Baltimore to San Antonio depends on and how to choose the most interesting flight option for you.

Distance between Baltimore and San Antonio is 2263 miles. Time difference between the cities is 1h. Airplanes depart 05:45 to 21:59 from 4 Baltimore airports and arrive 05:45 to 21:59 to 5 San Antonio airports. Average flight time is 3h 30m.

  • The fastest flight 3h 29m
  • Average flight time 3h 30m
  • The earliest flight 05:45
  • The latest flight 21:59
  • Distance 1407 ml

The cheapest months to travel to San Antonio are july (from 54 $), august (from 54 $), september (from 101 $).

The most expensive months are december (from 995 $), november (from 419 $), october (from 141 $).

What is the lowest airfare Baltimore to San Antonio?

The cheapest plane ticket found by our users is $54. This airfare is for economy class on one-way NK1671 flight by Spirit Airlines for August 7, 2025 which leaves Balt/Wash Intl in Baltimore at 06:45 am and arrives at San Antonio San Antonio at 09:14.

Economy class
$54
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Business class
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First class
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Flight Schedule Baltimore (Maryland) to San Antonio (Texas)

05:45 — 11:14
6h 29m flight time
Find flight
from$86
05:45 — 07:34 Baltimore — Atlanta
NK1910 Spirit Airlines
2h 20m stop
09:54 — 11:14 Atlanta — San Antonio
NK1196 Spirit Airlines
06:45 — 09:14
3h 29m flight time
Find flight
from$54
Baltimore — San Antonio
NK1671 Spirit Airlines
07:00 — 09:30
3h 30m flight time
Find flight
from$54
Baltimore — San Antonio
NK2423 Spirit Airlines
07:20 — 16:43
10h 23m flight time
Find flight
from$128
07:20 — 09:27 Baltimore — Atlanta
F92633 Frontier Airlines
5h 40m stop
15:10 — 16:52 Atlanta — San Antonio
F94809 Frontier Airlines
09:39 — 16:33
7h 54m flight time
Find flight
from$86
09:39 — 10:33 Baltimore — Nashville
NK1790 Spirit Airlines
3h 48m stop
14:21 — 16:33 Nashville — San Antonio
NK1875 Spirit Airlines
10:34 — 16:43
7h 9m flight time
Find flight
from$122
10:34 — 12:36 Baltimore — Atlanta
F91079 Frontier Airlines
2h 35m stop
15:10 — 16:52 Atlanta — San Antonio
F94809 Frontier Airlines
11:14 — 22:56
12h 42m flight time
Find flight
from$134
11:14 — 13:48 Baltimore — Miami
NK1224 Spirit Airlines
6h 52m stop
20:40 — 22:56 Miami — San Antonio
NK1477 Spirit Airlines
11:35 — 11:37+1day
25h 2m flight time
Find flight
from$139
11:35 — 13:39 Baltimore — Atlanta
NK2344 Spirit Airlines
20h 31m stop
10:10 — 11:37 Atlanta — San Antonio
NK2171 Spirit Airlines
13:37 — 23:30
10h 53m flight time
Find flight
from$110
13:37 — 16:09 Baltimore — Los Angeles
NK1912 Spirit Airlines
2h 30m stop
18:39 — 23:30 Los Angeles — San Antonio
NK848 Spirit Airlines
17:26 — 18:02+1day
25h 36m flight time
Find flight
from$129
17:26 — 19:31 Baltimore — Denver
F92705 Frontier Airlines
19h 14m stop
14:45 — 18:02 Denver — San Antonio
F92098 Frontier Airlines
17:42 — 23:25
6h 43m flight time
Find flight
from$86
17:42 — 20:06 Baltimore — Orlando
NK1095 Spirit Airlines
1h 37m stop
21:43 — 23:25 Orlando — San Antonio
NK446 Spirit Airlines
17:47 — 11:14+1day
18h 27m flight time
Find flight
from$101
17:47 — 19:39 Baltimore — Atlanta
NK3394 Spirit Airlines
14h 15m stop
09:54 — 11:14 Atlanta — San Antonio
NK1196 Spirit Airlines
17:50 — 23:25
6h 35m flight time
Find flight
from$110
17:50 — 20:14 Baltimore — Orlando
NK962 Spirit Airlines
1h 29m stop
21:43 — 23:25 Orlando — San Antonio
NK446 Spirit Airlines
18:22 — 13:06+1day
19h 44m flight time
Find flight
from$111
18:22 — 21:19 Baltimore — Los Angeles
NK1834 Spirit Airlines
10h 51m stop
08:10 — 13:06 Los Angeles — San Antonio
NK1273 Spirit Airlines
20:30 — 11:14+1day
15h 44m flight time
Find flight
from$101
20:30 — 22:27 Baltimore — Atlanta
NK1313 Spirit Airlines
11h 27m stop
09:54 — 11:14 Atlanta — San Antonio
NK1196 Spirit Airlines
Full flight schedule will help you in detecting at what time planes fly from Baltimore to San Antonio. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
*Departure and arrival times - local. Updated on October 17, 2025.

Popular Airlines on the Route

The flight Baltimore — San Antonio is served by 6 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 18 departures per week at the price of from $ 258 . And the most expensive tickets are offered by United Airlines airline - from $ 6248.

Direct flights

There are 2 nonstop flights on the route. The fastest direct flight is NK1671 by Spirit Airlines takes 3h 29m and the cheapest is NK1671 by Spirit Airlines for $54.

  • NK - Spirit Airlines
    from $54
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Connecting Flights

There are 303 flights with layovers on the route. The fastest connecting flight is UA2384 by United Airlines takes 5h 18m and the cheapest is NK1671 by Spirit Airlines for $86.

  • AS - Alaska Airlines
    from $258
    Find
  • F9 - Frontier Airlines
    from $122
    Find
  • SY - Sun Country Airlines
    from $149
    Find
  • HA - Hawaiian Airlines
    from $250
    Find
  • UA - United Airlines
    from $218
    Find
  • NK - Spirit Airlines
    from $86
    Find
See more connecting flights

Airports

You can fly from Baltimore to San Antonio from 4 airports (Baltimore Rail, Balt/Wash Intl, Baltimore Greenbelt T, Glenn L Martin).

Baltimore airports

  • Baltimore Rail-ZBP
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  • Balt/Wash Intl-BWI
    from $54
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  • Baltimore Greenbelt T-GBO
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  • Glenn L Martin-MTN
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San Antonio airports

  • Randolph AFB-RND
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  • Martindale AAF-MDA
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  • San Antonio-SAT
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  • Kelly AFB-SKF
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  • Stinson Municipal-SSF
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How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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