$80+ 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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SAT
Apr 24 — May 11
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 August or September, booked 88 days in advance, depart on a Tuesday or Friday and return on a Monday
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 March 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 March 25, 2026.
This Booking.com deal was found by Cheapflights users on 3/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1610:00 pm
BWI
- SAT
1 stop12h 24m
Frontier
Mon 4/201:51 pm
SAT
- BWI
1 stop25h 49m
Frontier
Deal found 3/23![Frontier logo]()
$207
This Frontier deal was found by Cheapflights users on 3/24. 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.
Fri 4/105:35 am
BWI
- SAT
1 stop12h 30m
Frontier
Mon 4/136:00 pm
SAT
- BWI
1 stop5h 44m
Frontier
Deal found 3/24![Frontier logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1610:00 pm
BWI
- SAT
1 stop12h 24m
Multiple Airlines
Sat 4/182:12 pm
SAT
- BWI
2 stops9h 32m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$230
This CheapOair deal was found by Cheapflights users on 3/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/189:38 am
BWI
- SAT
1 stop8h 57m
Multiple Airlines
Wed 4/222:12 pm
SAT
- BWI
1 stop5h 52m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$236
This Southwest deal was found by Cheapflights users on 3/24. 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.
Tue 4/215:10 pm
BWI
- SAT
1 stop7h 05m
Southwest
Tue 4/285:05 pm
SAT
- BWI
1 stop4h 55m
Southwest
Deal found 3/24![Southwest logo]()
$243
This United Airlines deal was found by Cheapflights users on 3/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:50 pm
BWI
- SAT
1 stop6h 09m
United Airlines
Tue 4/285:30 am
SAT
- BWI
2 stops7h 32m
United Airlines
Deal found 3/24![United Airlines logo]()
$248
This Priceline deal was found by Cheapflights users on 3/23. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/611:30 am
BWI
- SAT
1 stop6h 35m
Multiple Airlines
Thu 4/91:22 pm
SAT
- BWI
1 stop9h 37m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/87:12 pm
BWI
- SAT
1 stop15h 15m
Multiple Airlines
Tue 4/144:04 pm
SAT
- BWI
2 stops18h 15m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2510:10 am
BWI
- SAT
1 stop14h 41m
Multiple Airlines
Tue 4/284:04 pm
SAT
- BWI
2 stops18h 18m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 3/20. 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.
Mon 4/138:44 pm
BWI
- SAT
1 stop13h 43m
Multiple Airlines
Wed 4/154:49 pm
SAT
- BWI
2 stops23h 24m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$260
This CheapOair deal was found by Cheapflights users on 3/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/175:35 pm
BWI
- SAT
1 stop25h 00m
Frontier
Mon 4/201:51 pm
SAT
- BWI
1 stop25h 49m
Frontier
Deal found 3/23![Frontier logo]()
$261
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 March 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 March 25, 2026.
This Southwest deal was found by Cheapflights users on 3/24. 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 6/110:20 am
BWI
- SAT
2 stops6h 25m
Southwest
Thu 6/411:00 am
SAT
- BWI
2 stops6h 25m
Southwest
Deal found 3/24![Southwest logo]()
$303
This United Airlines deal was found by Cheapflights users on 3/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2212:40 pm
BWI
- SAT
1 stop6h 03m
United Airlines
Wed 4/292:14 pm
SAT
- BWI
1 stop7h 30m
United Airlines
Deal found 3/23![United Airlines logo]()
$333
This Delta deal was found by Cheapflights users on 3/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:41 pm
BWI
- SAT
1 stop6h 03m
Delta
Wed 6/35:25 am
SAT
- BWI
1 stop6h 28m
Delta
Deal found 3/20![Delta logo]()
$388
This Southwest deal was found by Cheapflights users on 3/23. 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 4/181:55 pm
BWI
- SAT
1 stop5h 50m
Southwest
Wed 4/221:30 pm
SAT
- BWI
1 stop5h 05m
Southwest
Deal found 3/23![Southwest logo]()
$317
This Southwest deal was found by Cheapflights users on 3/22. 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.
Wed 5/66:55 pm
BWI
- SAT
Nonstop3h 45m
Southwest
Mon 5/115:45 pm
SAT
- BWI
1 stop5h 30m
Southwest
Deal found 3/22![Southwest logo]()
$326
This Delta deal was found by Cheapflights users on 3/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/186:19 am
BWI
- SAT
1 stop6h 46m
Delta
Tue 6/2310:45 am
SAT
- BWI
1 stop5h 21m
Delta
Deal found 3/21![Delta logo]()
$389
This Southwest deal was found by Cheapflights users on 3/24. 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 4/276:40 pm
BWI
- SAT
1 stop6h 35m
Southwest
Thu 4/305:00 am
SAT
- BWI
Nonstop3h 20m
Southwest
Deal found 3/24![Southwest logo]()
$353
This Delta deal was found by Cheapflights users on 3/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/256:29 pm
BWI
- SAT
1 stop7h 15m
Delta
Sun 5/315:20 am
SAT
- BWI
1 stop5h 23m
Delta
Deal found 3/20![Delta logo]()
$389
This Southwest deal was found by Cheapflights users on 3/23. 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 6/58:50 pm
BWI
- SAT
Nonstop3h 30m
Southwest
Tue 6/95:15 am
SAT
- BWI
Nonstop3h 20m
Southwest
Deal found 3/23![Southwest logo]()
$396
This Southwest deal was found by Cheapflights users on 3/23. 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 4/185:55 pm
BWI
- SAT
Nonstop3h 45m
Southwest
Thu 4/235:00 am
SAT
- BWI
Nonstop3h 20m
Southwest
Deal found 3/23![Southwest logo]()
$427
This Southwest deal was found by Cheapflights users on 3/24. 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.
Thu 5/289:30 am
BWI
- SAT
Nonstop3h 45m
Southwest
Sun 5/316:40 pm
SAT
- BWI
1 stop5h 05m
Southwest
Deal found 3/24![Southwest logo]()
$432
Last-minute flights from Baltimore to San AntonioDiscover last-minute flight deals from Baltimore to San Antonio. Data last updated March 25, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to San Antonio. Data last updated March 25, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 3/23. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/611:30 am
BWI
- SAT
1 stop6h 35m
Multiple Airlines
Thu 4/91:22 pm
SAT
- BWI
1 stop9h 37m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/87:12 pm
BWI
- SAT
1 stop15h 15m
Multiple Airlines
Tue 4/144:04 pm
SAT
- BWI
2 stops18h 15m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$257
This Frontier deal was found by Cheapflights users on 3/24. 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.
Fri 4/105:35 am
BWI
- SAT
1 stop12h 30m
Frontier
Mon 4/136:00 pm
SAT
- BWI
1 stop5h 44m
Frontier
Deal found 3/24![Frontier logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 3/20. 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.
Mon 4/138:44 pm
BWI
- SAT
1 stop13h 43m
Multiple Airlines
Wed 4/154:49 pm
SAT
- BWI
2 stops23h 24m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$260
This Booking.com deal was found by Cheapflights users on 3/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1610:00 pm
BWI
- SAT
1 stop12h 24m
Frontier
Mon 4/201:51 pm
SAT
- BWI
1 stop25h 49m
Frontier
Deal found 3/23![Frontier logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1610:00 pm
BWI
- SAT
1 stop12h 24m
Multiple Airlines
Sat 4/182:12 pm
SAT
- BWI
2 stops9h 32m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$230
This CheapOair deal was found by Cheapflights users on 3/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/175:35 pm
BWI
- SAT
1 stop25h 00m
Frontier
Mon 4/201:51 pm
SAT
- BWI
1 stop25h 49m
Frontier
Deal found 3/23![Frontier logo]()
$261
This CheapOair deal was found by Cheapflights users on 3/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/189:38 am
BWI
- SAT
1 stop8h 57m
Multiple Airlines
Wed 4/222:12 pm
SAT
- BWI
1 stop5h 52m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$236
This Southwest deal was found by Cheapflights users on 3/24. 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.
Tue 4/215:10 pm
BWI
- SAT
1 stop7h 05m
Southwest
Tue 4/285:05 pm
SAT
- BWI
1 stop4h 55m
Southwest
Deal found 3/24![Southwest logo]()
$243
This United Airlines deal was found by Cheapflights users on 3/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:50 pm
BWI
- SAT
1 stop6h 09m
United Airlines
Tue 4/285:30 am
SAT
- BWI
2 stops7h 32m
United Airlines
Deal found 3/24![United Airlines logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2510:10 am
BWI
- SAT
1 stop14h 41m
Multiple Airlines
Tue 4/284:04 pm
SAT
- BWI
2 stops18h 18m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$259
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 March 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 March 25, 2026.
This Priceline deal was found by Cheapflights users on 3/24. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/189:38 am
BWI
- SAT
1 stop8h 57m
Frontier
Deal found 3/24![Frontier logo]()
$80
This Frontier deal was found by Cheapflights users on 3/24. 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.
Thu 4/1610:00 pm
BWI
- SAT
1 stop12h 24m
Frontier
Deal found 3/24![Frontier logo]()
$86
This Frontier deal was found by Cheapflights users on 3/20. 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.
Fri 4/35:35 am
BWI
- SAT
1 stop12h 30m
Frontier
Deal found 3/20![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/108:44 pm
BWI
- SAT
1 stop13h 43m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2212:17 pm
BWI
- SAT
2 stops24h 23m
Frontier
Deal found 3/24![Frontier logo]()
$117
This Expedia deal was found by Cheapflights users on 3/22. 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.
Mon 4/65:35 am
BWI
- SAT
1 stop12h 30m
Frontier
Deal found 3/22![Frontier logo]()
$121
This Delta deal was found by Cheapflights users on 3/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:26 pm
BWI
- SAT
1 stop6h 20m
Delta
Deal found 3/24![Delta logo]()
$122
This Mytrip deal was found by Cheapflights users on 3/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:30 am
BWI
- SAT
2 stops8h 47m
Spirit Airlines
Deal found 3/24![Spirit Airlines logo]()
$129
This Expedia deal was found by Cheapflights users on 3/24. 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 4/175:35 pm
BWI
- SAT
1 stop25h 00m
Frontier
Deal found 3/24![Frontier logo]()
$131
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 March 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $207 (Booking.com) |
One-way from | $80 (Priceline) |
Popular in | November |
Cheapest in | August |
Average price | $478 |
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 March 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
BaltimoreSan Antonio
BWI - SAT
BWISAT
Baltimore/Washington
Mon 6/1
10:20 am-3:45 pm
2 stops6h 25m
San Antonio
Thu 6/4
11:00 am-6:25 pm
2 stops6h 25m
$303
BaltimoreSan Antonio
BWI - SAT
BWISAT
Baltimore/Washington
Sat 4/18
1:55 pm-6:45 pm
1 stop5h 50m
San Antonio
Wed 4/22
1:30 pm-7:35 pm
1 stop5h 05m
$317
BaltimoreSan Antonio
BWI - SAT
BWISAT
Baltimore/Washington
Wed 5/6
6:55 pm-9:40 pm
Nonstop3h 45m
San Antonio
Mon 5/11
5:45 pm-12:15 am
1 stop5h 30m
$326
BaltimoreSan Antonio
BWI - SAT
BWISAT
Baltimore/Washington
Wed 4/22
12:40 pm-5:43 pm
1 stop6h 03m
San Antonio
Wed 4/29
2:14 pm-10:44 pm
1 stop7h 30m
$333
BaltimoreSan Antonio
BWI - SAT
BWISAT
Baltimore/Washington
Mon 4/27
6:40 pm-12:15 am
1 stop6h 35m
San Antonio
Thu 4/30
5:00 am-9:20 am
Nonstop3h 20m
$353
BaltimoreSan Antonio
BWI - SAT
BWISAT
Baltimore/Washington
Mon 6/1
7:41 pm-12:44 am
1 stop6h 03m
San Antonio
Wed 6/3
5:25 am-12:53 pm
1 stop6h 28m
$388
BaltimoreSan Antonio
BWI - SAT
BWISAT
Baltimore/Washington
Thu 6/18
6:19 am-12:05 pm
1 stop6h 46m
San Antonio
Tue 6/23
10:45 am-5:06 pm
1 stop5h 21m
$389
BaltimoreSan Antonio
BWI - SAT
BWISAT
Baltimore/Washington
Mon 5/25
6:29 pm-12:44 am
1 stop7h 15m
San Antonio
Sun 5/31
5:20 am-11:43 am
1 stop5h 23m
$389
Quickest round-trip
BaltimoreSan Antonio
BWI - SAT
BWISAT
Baltimore/Washington
Fri 6/5
8:50 pm-11:20 pm
Nonstop3h 30m
San Antonio
Tue 6/9
5:15 am-9:35 am
Nonstop3h 20m
$396
BaltimoreSan Antonio
BWI - SAT
BWISAT
Baltimore/Washington
Sat 4/18
5:55 pm-8:40 pm
Nonstop3h 45m
San Antonio
Thu 4/23
5:00 am-9:20 am
Nonstop3h 20m
$427
Showing 1-10 of 22 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 March.
| 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 Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 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?
Use this chart to determine the optimal time to book a round-trip flight from Baltimore to San Antonio. Price data was last updated on March 13, 2026.
To ensure you get the cheapest price possible for a flight from Baltimore to San Antonio, you should look to book at least 88 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, July is the cheapest month in which you can book a flight from Baltimore to San Antonio (average of $94). Flying from Baltimore to San Antonio in December is currently the most expensive (average of $184). 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 March 25, 2026.
It’s typically best to fly out from Baltimore to San Antonio in the morning. Doing so could potentially save you 31% 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 March 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.
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Overall
8.0
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
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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Search flights from Baltimore to San Antonio by cabin class
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Baltimore and San Antonio flights
Browse other Baltimore and San Antonio flight options. Last updated on March 25, 2026.
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Other flights to San Antonio
Explore flights to San Antonio departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 25, 2026.
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 March 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$100 | Average$206 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$144 | Average$238 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$158 | Average$406 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$226 | Average$372 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$240 | Average$382 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$265 | Average$500 | FlexibilityNo cancel fee | On-time63% |