Cheap Flights from Baltimore, MD to San Antonio, TX from $57

On Cheapflightsplus.com you will find 2 direct and 279 connecting flights from Baltimore to San Antonio. You can compare airfare deals from 6 airlines and multiple travel sites from $57, 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: $57 (one-way), $98 (round-trip).
Direct flights
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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
06:45 — 09:14
06:45 — 09:14 NK1671 Spirit Airlines
Baltimore — San Antonio
3h 29m
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from$57
07:00 — 09:30
07:00 — 09:30 NK2423 Spirit Airlines
Baltimore — San Antonio
3h 30m
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from$57
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$90
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$135
08:45 — 17:18
08:45 — 11:22 NK1185 Spirit Airlines
Baltimore — Miami
3h 58m stop
15:20 — 17:18 NK955 Spirit Airlines
Miami — San Antonio
9h 33m
including layover
Find flight
from$166
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
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from$90
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$130
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
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from$141
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$146
12:31 — 18:15
12:25 — 14:06 SY194 Sun Country Airlines
Baltimore — Minneapolis
1h 18m stop
07:00 — 09:47 SY1835 Sun Country Airlines
Minneapolis — San Antonio
6h 44m
including layover
Find flight
from$156
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$116
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
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from$90
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$106
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$116
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$106
05:45 — 05:04
+1 day
05:45 — 07:34 NK1910 Spirit Airlines
Baltimore — Atlanta
8h 1m stop
15:35 — 16:47 NK332 Spirit Airlines
Atlanta — Las Vegas
7h 43m stop
00:30 — 05:04 NK1058 Spirit Airlines
Las Vegas — San Antonio
24h 19m
including layover
Find flight
from$148
06:30 — 11:14
+1 day
06:30 — 09:06 NK1896 Spirit Airlines
Baltimore — Miami
5h 21m stop
14:27 — 16:25 NK3179 Spirit Airlines
Miami — Atlanta
17h 29m stop
09:54 — 11:14 NK1196 Spirit Airlines
Atlanta — San Antonio
29h 44m
including layover
Find flight
from$148
13:51 — 11:14
+1 day
13:51 — 15:20 NK934 Spirit Airlines
Baltimore — Boston
3h 10m stop
18:30 — 21:28 NK1209 Spirit Airlines
Boston — Atlanta
12h 26m stop
09:54 — 11:14 NK1196 Spirit Airlines
Atlanta — San Antonio
22h 23m
including layover
Find flight
from$148
14:08 — 05:00
+1 day
14:08 — 15:38 NK2673 Spirit Airlines
Baltimore — Detroit
4h 42m stop
20:20 — 21:49 NK2143 Spirit Airlines
Detroit — Las Vegas
2h 41m stop
00:30 — 05:00 NK2705 Spirit Airlines
Las Vegas — San Antonio
15h 52m
including layover
Find flight
from$206
14:08 — 23:09
+1 day
14:08 — 15:38 NK2673 Spirit Airlines
Baltimore — Detroit
18h 52m stop
10:30 — 13:36 NK2743 Spirit Airlines
Detroit — Miami
7h 17m stop
20:53 — 23:09 NK2227 Spirit Airlines
Miami — San Antonio
34h 1m
including layover
Find flight
from$206
16:40 — 11:14
+1 day
16:40 — 19:18 NK1185 Spirit Airlines
Baltimore — Miami
1h 22m stop
20:40 — 22:40 NK3379 Spirit Airlines
Miami — Atlanta
11h 14m stop
09:54 — 11:14 NK1196 Spirit Airlines
Atlanta — San Antonio
19h 34m
including layover
Find flight
from$148
16:41 — 05:00
+1 day
16:41 — 17:35 NK2240 Spirit Airlines
Baltimore — Nashville
1h 43m stop
19:18 — 21:25 NK2249 Spirit Airlines
Nashville — Las Vegas
3h 5m stop
00:30 — 05:00 NK2705 Spirit Airlines
Las Vegas — San Antonio
13h 19m
including layover
Find flight
from$165
18:22 — 18:33
+1 day
18:22 — 21:19 NK1834 Spirit Airlines
Baltimore — Los Angeles
9h 21m stop
06:40 — 07:55 NK1658 Spirit Airlines
Los Angeles — Las Vegas
5h 56m stop
13:51 — 18:33 NK1586 Spirit Airlines
Las Vegas — San Antonio
25h 11m
including layover
Find flight
from$186
20:30 — 13:55
+1 day
20:30 — 22:27 NK1313 Spirit Airlines
Baltimore — Atlanta
10h 13m stop
08:40 — 10:07 NK839 Spirit Airlines
Atlanta — Tampa
2h 18m stop
12:25 — 13:55 NK451 Spirit Airlines
Tampa — San Antonio
18h 25m
including layover
Find flight
from$148
21:59 — 11:14
+1 day
21:59 — 23:29 NK3075 Spirit Airlines
Baltimore — Boston
6h 31m stop
06:00 — 08:57 NK1179 Spirit Airlines
Boston — Atlanta
57m stop
09:54 — 11:14 NK1196 Spirit Airlines
Atlanta — San Antonio
14h 15m
including layover
Find flight
from$197
*Departure and arrival times - local. Updated on July 5, 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 57 $), august (from 57 $), september (from 106 $).

The most expensive months are december (from 1 047 $), november (from 441 $), october (from 148 $).

What is the lowest airfare Baltimore to San Antonio?

The cheapest plane ticket found by our users is $57. This airfare is for economy class on one-way NK1671 flight by Spirit Airlines for July 24, 2025 which leaves Balt/Wash Intl in Baltimore at 06:45 am and arrives at San Antonio San Antonio at 09:14.

Economy class
$57
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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 $ 272 . And the most expensive tickets are offered by United Airlines airline - from $ 6572.

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 $57.

  • NK - Spirit Airlines
    from $57
    Find
See more direct flights

Connecting Flights

There are 279 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 $90.

  • AS - Alaska Airlines
    from $272
    Find
  • F9 - Frontier Airlines
    from $130
    Find
  • SY - Sun Country Airlines
    from $156
    Find
  • HA - Hawaiian Airlines
    from $263
    Find
  • UA - United Airlines
    from $230
    Find
  • NK - Spirit Airlines
    from $90
    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 $57
    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
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  • Kelly AFB-SKF
    Find
  • Stinson Municipal-SSF
    Find

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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