Cheap Flights from Baltimore, MD to San Antonio, TX from $53

Return flight: San Antonio – Baltimore
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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 $53, 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.

Find One-Way and Round-Trip Baltimore to San Antonio Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $53 (one-way), $91 (round-trip).
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Best Flights from Baltimore to San Antonio Today

Take a look at the list of non stop flights and flights with layovers from Baltimore to San Antonio with the lowest price of $53. The fastest direct flight takes 3h 29m and the fastest connecting – 5h 18m.
Price Departure Arrival Flight Duration Airline Flight
from $53
Find flight
06:45
Baltimore
Balt/Wash Intl
 09:14
San Antonio
San Antonio
 3h 29m Spirit Airlines
NK1671
from $84
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17:42
Baltimore
Balt/Wash Intl
 23:25
San Antonio
San Antonio
 6h 43m
layover
1h 37m - Orlando
 Spirit Airlines
NK1095
NK446
from $99
Find flight
20:30
Baltimore
Balt/Wash Intl
 11:14+1 день
San Antonio
San Antonio
 15h 44m
layover
11h 27m - Atlanta
 Spirit Airlines
NK1313
NK1196
Show all tickets
*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on September 15, 2025
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 Arrival Flight Details Flight Duration Price
05:45 — 11:14
05:45 — 07:34 NK1910 Spirit Airlines
Baltimore — Atlanta
2h 20m stop
09:54 — 11:14 NK1196 Spirit Airlines
Atlanta — San Antonio
6h 29m
including layover
Find flight
from$123
06:45 — 09:14
06:45 — 09:14 NK1671 Spirit Airlines
Baltimore — San Antonio
3h 29m
Find flight
from$53
07:00 — 09:30
07:00 — 09:30 NK2423 Spirit Airlines
Baltimore — San Antonio
3h 30m
Find flight
from$53
07:20 — 16:43
07:20 — 09:27 F92633 Frontier Airlines
Baltimore — Atlanta
5h 40m stop
15:10 — 16:52 F94809 Frontier Airlines
Atlanta — San Antonio
10h 23m
including layover
Find flight
from$125
09:39 — 16:33
09:39 — 10:33 NK1790 Spirit Airlines
Baltimore — Nashville
3h 48m stop
14:21 — 16:33 NK1875 Spirit Airlines
Nashville — San Antonio
7h 54m
including layover
Find flight
from$84
10:34 — 16:43
10:34 — 12:36 F91079 Frontier Airlines
Baltimore — Atlanta
2h 35m stop
15:10 — 16:52 F94809 Frontier Airlines
Atlanta — San Antonio
7h 9m
including layover
Find flight
from$120
11:14 — 22:56
11:14 — 13:48 NK1224 Spirit Airlines
Baltimore — Miami
6h 52m stop
20:40 — 22:56 NK1477 Spirit Airlines
Miami — San Antonio
12h 42m
including layover
Find flight
from$131
11:35 — 11:37
+1 day
11:35 — 13:39 NK2344 Spirit Airlines
Baltimore — Atlanta
20h 31m stop
10:10 — 11:37 NK2171 Spirit Airlines
Atlanta — San Antonio
25h 2m
including layover
Find flight
from$136
13:37 — 23:30
13:37 — 16:09 NK1912 Spirit Airlines
Baltimore — Los Angeles
2h 30m stop
18:39 — 23:30 NK848 Spirit Airlines
Los Angeles — San Antonio
10h 53m
including layover
Find flight
from$108
17:26 — 18:02
+1 day
17:26 — 19:31 F92705 Frontier Airlines
Baltimore — Denver
19h 14m stop
14:45 — 18:02 F92098 Frontier Airlines
Denver — San Antonio
25h 36m
including layover
Find flight
from$126
17:42 — 23:25
17:42 — 20:06 NK1095 Spirit Airlines
Baltimore — Orlando
1h 37m stop
21:43 — 23:25 NK446 Spirit Airlines
Orlando — San Antonio
6h 43m
including layover
Find flight
from$84
17:47 — 11:14
+1 day
17:47 — 19:39 NK3394 Spirit Airlines
Baltimore — Atlanta
14h 15m stop
09:54 — 11:14 NK1196 Spirit Airlines
Atlanta — San Antonio
18h 27m
including layover
Find flight
from$99
17:50 — 23:25
17:50 — 20:14 NK962 Spirit Airlines
Baltimore — Orlando
1h 29m stop
21:43 — 23:25 NK446 Spirit Airlines
Orlando — San Antonio
6h 35m
including layover
Find flight
from$108
18:22 — 13:06
+1 day
18:22 — 21:19 NK1834 Spirit Airlines
Baltimore — Los Angeles
10h 51m stop
08:10 — 13:06 NK1273 Spirit Airlines
Los Angeles — San Antonio
19h 44m
including layover
Find flight
from$108
20:30 — 11:14
+1 day
20:30 — 22:27 NK1313 Spirit Airlines
Baltimore — Atlanta
11h 27m stop
09:54 — 11:14 NK1196 Spirit Airlines
Atlanta — San Antonio
15h 44m
including layover
Find flight
from$99
*Departure and arrival times - local. Updated on September 15, 2025

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 53 $), august (from 53 $), september (from 99 $).

The most expensive months are december (from 974 $), november (from 410 $), october (from 138 $).

What is the lowest airfare Baltimore to San Antonio?

The cheapest plane ticket found by our users is $53. 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
$53
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Business class
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First class
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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 $ 253 . And the most expensive tickets are offered by United Airlines airline - from $ 6117.

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 $53.

  • NK - Spirit Airlines
    from $53
    Find
See more direct flights

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 $84.

  • AS - Alaska Airlines
    from $253
    Find
  • F9 - Frontier Airlines
    from $120
    Find
  • SY - Sun Country Airlines
    from $146
    Find
  • HA - Hawaiian Airlines
    from $245
    Find
  • UA - United Airlines
    from $214
    Find
  • NK - Spirit Airlines
    from $84
    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 $53
    Find
  • Baltimore Greenbelt T-GBO
    Find
  • Glenn L Martin-MTN
    Find

San Antonio airports

  • Randolph AFB-RND
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  • Martindale AAF-MDA
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  • San Antonio-SAT
    Find
  • Kelly AFB-SKF
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  • Stinson Municipal-SSF
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Airplanes

There are flights to San Antonio from Baltimore by 6 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from Baltimore

You may also consider searching for discounted plane tickets to some other popular places from Baltimore within United States.

Top International Destinations from Baltimore

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

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.

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