$126+ Cheap flights from Baltimore to San Antonio (BWI - SAT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SAT
Aug 24 — Aug 311
Round-trip
1 adult, Economy
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Find cheap flights from Baltimore to San Antonio with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Baltimore/Washington to San Antonio are usually found in January or May, booked 85 days in advance, depart on a Wednesday or Thursday and return on a Thursday
Cheap flight deals from Baltimore to San Antonio
Cheapest
Best
Last-minute
One-way
Cheapest flights from Baltimore to San AntonioExplore the most affordable flight options available from Baltimore to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2026.
Explore the most affordable flight options available from Baltimore to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2026.
This Frontier deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:52 pm
BWI
- SAT
1 stop12h 10m
Frontier
Mon 10/59:57 am
SAT
- BWI
1 stop10h 00m
Frontier
Deal found 7/20![Frontier logo]()
$240
This Expedia deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/149:38 pm
BWI
- SAT
1 stop19h 03m
Frontier
Mon 8/179:51 am
SAT
- BWI
1 stop24h 33m
Frontier
Deal found 7/24![Frontier logo]()
$264
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/122:15 pm
BWI
- SAT
Nonstop3h 35m
Southwest
Tue 9/152:35 pm
SAT
- BWI
Nonstop3h 20m
Southwest
Deal found 7/23![Southwest logo]()
$297
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:25 am
BWI
- SAT
Nonstop3h 35m
Southwest
Mon 9/142:05 pm
SAT
- BWI
1 stop4h 45m
Southwest
Deal found 7/23![Southwest logo]()
$303
This Frontier deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/169:28 pm
BWI
- SAT
1 stop12h 28m
Frontier
Sat 8/229:51 am
SAT
- BWI
1 stop11h 07m
Frontier
Deal found 7/24![Frontier logo]()
$305
This American Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/193:55 pm
BWI
- SAT
1 stop6h 02m
American Airlines
Wed 8/268:55 am
SAT
- BWI
1 stop5h 19m
American Airlines
Deal found 7/23![American Airlines logo]()
$317
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:35 pm
BWI
- SAT
2 stops6h 35m
Southwest
Thu 9/102:05 pm
SAT
- BWI
1 stop4h 45m
Southwest
Deal found 7/23![Southwest logo]()
$318
This Expedia deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:28 pm
BWI
- SAT
1 stop12h 28m
Frontier
Mon 8/179:51 am
SAT
- BWI
1 stop13h 08m
Frontier
Deal found 7/22![Frontier logo]()
$320
Best flights from Baltimore to San AntonioDiscover carefully curated flight deals from Baltimore to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 25, 2026.
Discover carefully curated flight deals from Baltimore to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 25, 2026.
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:30 pm
BWI
- SAT
Nonstop3h 30m
Southwest
Thu 9/102:55 pm
SAT
- BWI
Nonstop3h 20m
Southwest
Deal found 7/23![Southwest logo]()
$297
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/233:04 pm
BWI
- SAT
1 stop5h 49m
United Airlines
Sat 9/265:30 am
SAT
- BWI
2 stops11h 13m
United Airlines
Deal found 7/20![United Airlines logo]()
$374
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/54:20 pm
BWI
- SAT
2 stops7h 40m
Southwest
Wed 10/77:30 am
SAT
- BWI
1 stop6h 20m
Southwest
Deal found 7/24![Southwest logo]()
$322
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1210:45 am
BWI
- SAT
2 stops6h 45m
Southwest
Sat 9/266:45 am
SAT
- BWI
1 stop6h 35m
Southwest
Deal found 7/24![Southwest logo]()
$342
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/52:15 pm
BWI
- SAT
Nonstop3h 30m
Southwest
Fri 9/112:05 pm
SAT
- BWI
1 stop4h 45m
Southwest
Deal found 7/22![Southwest logo]()
$348
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:55 pm
BWI
- SAT
Nonstop3h 35m
Southwest
Tue 9/156:50 am
SAT
- BWI
2 stops7h 00m
Southwest
Deal found 7/22![Southwest logo]()
$352
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:35 am
BWI
- SAT
1 stop7h 15m
Southwest
Thu 8/135:35 am
SAT
- BWI
1 stop4h 45m
Southwest
Deal found 7/21![Southwest logo]()
$352
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1410:00 am
BWI
- SAT
Nonstop3h 25m
Southwest
Sat 8/2212:55 pm
SAT
- BWI
1 stop6h 30m
Southwest
Deal found 7/24![Southwest logo]()
$356
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:35 pm
BWI
- SAT
2 stops6h 35m
Southwest
Fri 9/1811:50 am
SAT
- BWI
Nonstop3h 20m
Southwest
Deal found 7/24![Southwest logo]()
$361
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:30 pm
BWI
- SAT
2 stops6h 30m
Southwest
Mon 9/282:55 pm
SAT
- BWI
Nonstop3h 20m
Southwest
Deal found 7/23![Southwest logo]()
$361
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/315:15 pm
BWI
- SAT
1 stop6h 40m
Southwest
Fri 9/45:40 pm
SAT
- BWI
1 stop4h 45m
Southwest
Deal found 7/24![Southwest logo]()
$366
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/83:30 pm
BWI
- SAT
Nonstop3h 30m
Southwest
Thu 9/1011:50 am
SAT
- BWI
Nonstop3h 20m
Southwest
Deal found 7/23![Southwest logo]()
$382
Last-minute flights from Baltimore to San AntonioDiscover last-minute flight deals from Baltimore to San Antonio. Data last updated July 25, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to San Antonio. Data last updated July 25, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/309:28 pm
BWI
- SAT
1 stop12h 28m
Frontier
Mon 8/39:51 am
SAT
- BWI
1 stop22h 03m
Frontier
Deal found 7/20![Frontier logo]()
$334
This Expedia deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:28 pm
BWI
- SAT
1 stop12h 28m
Frontier
Mon 8/179:51 am
SAT
- BWI
1 stop13h 08m
Frontier
Deal found 7/22![Frontier logo]()
$320
This Expedia deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/149:38 pm
BWI
- SAT
1 stop19h 03m
Frontier
Mon 8/179:51 am
SAT
- BWI
1 stop24h 33m
Frontier
Deal found 7/24![Frontier logo]()
$264
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/152:15 pm
BWI
- SAT
Nonstop3h 30m
Southwest
Sat 8/222:30 pm
SAT
- BWI
1 stop4h 55m
Southwest
Deal found 7/24![Southwest logo]()
$327
This Frontier deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/169:28 pm
BWI
- SAT
1 stop12h 28m
Frontier
Fri 8/219:51 am
SAT
- BWI
1 stop13h 08m
Frontier
Deal found 7/23![Frontier logo]()
$240
This Frontier deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/169:28 pm
BWI
- SAT
1 stop12h 28m
Frontier
Sat 8/229:51 am
SAT
- BWI
1 stop11h 07m
Frontier
Deal found 7/24![Frontier logo]()
$305
This American Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/193:55 pm
BWI
- SAT
1 stop6h 02m
American Airlines
Wed 8/268:55 am
SAT
- BWI
1 stop5h 19m
American Airlines
Deal found 7/23![American Airlines logo]()
$317
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/222:15 pm
BWI
- SAT
Nonstop3h 30m
Southwest
Mon 8/242:55 pm
SAT
- BWI
Nonstop3h 20m
Southwest
Deal found 7/24![Southwest logo]()
$297
One-way flights from Baltimore to San AntonioSearch for one-way flight options from Baltimore to San Antonio. Find affordable one-way fares based on user searches. Data last updated July 25, 2026.
Search for one-way flight options from Baltimore to San Antonio. Find affordable one-way fares based on user searches. Data last updated July 25, 2026.
This Flightnetwork deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:52 pm
BWI
- SAT
1 stop14h 04m
Frontier
Deal found 7/23![Frontier logo]()
$126
This Flightnetwork deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:52 pm
BWI
- SAT
1 stop14h 04m
Frontier
Deal found 7/23![Frontier logo]()
$127
This Mytrip deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:24 am
BWI
- SAT
1 stop27h 32m
Frontier
Deal found 7/20![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:28 pm
BWI
- SAT
3 stops23h 30m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:28 pm
BWI
- SAT
3 stops22h 45m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$147
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:25 am
BWI
- SAT
Nonstop3h 35m
Southwest
Deal found 7/23![Southwest logo]()
$149
This Frontier deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:52 pm
BWI
- SAT
1 stop12h 47m
Frontier
Deal found 7/22![Frontier logo]()
$150
This Frontier deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/189:52 pm
BWI
- SAT
1 stop12h 47m
Frontier
Deal found 7/20![Frontier logo]()
$151
This Booking.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/96:25 am
BWI
- SAT
1 stop27h 31m
Frontier
Deal found 7/21![Frontier logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:28 pm
BWI
- SAT
3 stops22h 45m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$155
Find flight deals from Baltimore to San Antonio
Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $240 (Frontier) |
One-way from | $126 (Flightnetwork) |
Popular in | June |
Cheapest in | January |
Average price | $516 |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated July 25, 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
Cheapest round-trip
Quickest round-trip
BaltimoreSan Antonio
BWI - SAT
BWISAT
Baltimore/Washington
Wed 9/9
3:30 pm-6:00 pm
Nonstop3h 30m
San Antonio
Thu 9/10
2:55 pm-7:15 pm
Nonstop3h 20m
$297
BaltimoreSan Antonio
BWI - SAT
BWISAT
Baltimore/Washington
Mon 10/5
4:20 pm-11:00 pm
2 stops7h 40m
San Antonio
Wed 10/7
7:30 am-2:50 pm
1 stop6h 20m
$322
BaltimoreSan Antonio
BWI - SAT
BWISAT
Baltimore/Washington
Sat 9/12
10:45 am-4:30 pm
2 stops6h 45m
San Antonio
Sat 9/26
6:45 am-2:20 pm
1 stop6h 35m
$342
BaltimoreSan Antonio
BWI - SAT
BWISAT
Baltimore/Washington
Sat 9/5
2:15 pm-4:45 pm
Nonstop3h 30m
San Antonio
Fri 9/11
2:05 pm-7:50 pm
1 stop4h 45m
$348
BaltimoreSan Antonio
BWI - SAT
BWISAT
Baltimore/Washington
Mon 9/14
6:55 pm-9:30 pm
Nonstop3h 35m
San Antonio
Tue 9/15
6:50 am-2:50 pm
2 stops7h 00m
$352
BaltimoreSan Antonio
BWI - SAT
BWISAT
Baltimore/Washington
Tue 8/11
6:35 am-12:50 pm
1 stop7h 15m
San Antonio
Thu 8/13
5:35 am-11:20 am
1 stop4h 45m
$352
BaltimoreSan Antonio
BWI - SAT
BWISAT
Baltimore/Washington
Fri 8/14
10:00 am-12:25 pm
Nonstop3h 25m
San Antonio
Sat 8/22
12:55 pm-8:25 pm
1 stop6h 30m
$356
BaltimoreSan Antonio
BWI - SAT
BWISAT
Baltimore/Washington
Wed 9/16
5:35 pm-11:10 pm
2 stops6h 35m
San Antonio
Fri 9/18
11:50 am-4:10 pm
Nonstop3h 20m
$361
BaltimoreSan Antonio
BWI - SAT
BWISAT
Baltimore/Washington
Fri 9/25
4:30 pm-10:00 pm
2 stops6h 30m
San Antonio
Mon 9/28
2:55 pm-7:15 pm
Nonstop3h 20m
$361
BaltimoreSan Antonio
BWI - SAT
BWISAT
Baltimore/Washington
Mon 8/31
5:15 pm-10:55 pm
1 stop6h 40m
San Antonio
Fri 9/4
5:40 pm-11:25 pm
1 stop4h 45m
$366
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Baltimore to San Antonio
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Baltimore to San Antonio in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Baltimore-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baltimore-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Baltimore-San Antonio flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Baltimore-San Antonio flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Baltimore-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Baltimore to San Antonio
Have a flexible travel schedule? Discover the best time to fly to San Antonio from Baltimore with our price prediction graph.
BWI-SAT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Baltimore to San Antonio
How far ahead should I book a flight from Baltimore to San Antonio?
To ensure you get the cheapest price possible for a flight from Baltimore to San Antonio, you should look to book at least 84 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Baltimore to San Antonio?
Currently, January is the cheapest month in which you can book a flight from Baltimore to San Antonio (average of $429). Flying from Baltimore to San Antonio in June is currently the most expensive (average of $574). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from BWI to SAT?
Find hourly flight availability from Baltimore to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 25, 2026.
It’s typically best to fly out from Baltimore to San Antonio in the afternoon. Doing so could potentially save you 26% on the flight price compared to flying at noon, which is usually more expensive.
The best insider tips for Baltimore to San Antonio flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Baltimore to San Antonio trip
Our travel experts
Reviews of airlines servicing San Antonio
Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated July 25, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Baltimore to San Antonio by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Comfort
8.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Food
7.0
Comfort
8.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Food
7.0
Comfort
8.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Food
7.0
Comfort
8.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Food
7.0
Comfort
8.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Food
7.0
Comfort
8.0
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Related info for your journey
Find useful and relevant information for your journey from Baltimore to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
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Top 6 airlines flying from Baltimore to San Antonio
Discover the top 6 airlines that operate flights from Baltimore to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$144 | Average$239 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$196 | Average$450 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$246 | Average$396 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$249 | Average$438 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$305 | Average$520 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$381 | Average$455 | FlexibilityNo cancel fee | On-time62% |