$120+ Cheap flights from Baltimore to San Antonio (BWI - SAT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SAT
Nov 21 — Nov 281
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 65 days in advance, depart on a Saturday or Wednesday and return on a Wednesday
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 October 22, 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 October 22, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 10/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:27 am -
1 stop7h 15m
Wed 12/912:32 pm -
1 stop10h 57m
Deal found 10/21![Frontier logo]()
$231
This Cheapflightsfares deal was found by Cheapflights users on 10/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:51 pm -
1 stop18h 51m
Wed 12/912:32 pm -
1 stop19h 49m
Deal found 10/19![Frontier logo]()
$238
This Expedia deal was found by Cheapflights users on 10/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/169:12 am -
1 stop8h 06m
Mon 12/712:32 pm -
1 stop19h 49m
Deal found 10/21![Frontier logo]()
$243
This Cheapflightsfares deal was found by Cheapflights users on 10/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:52 pm -
1 stop12h 16m
Mon 10/2610:03 am -
1 stop27h 05m
Deal found 10/20![Frontier logo]()
$244
This CheapOair deal was found by Cheapflights users on 10/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:51 pm -
1 stop18h 51m
Fri 12/41:14 pm -
1 stop18h 12m
Deal found 10/20![Frontier logo]()
$253
This Mytrip deal was found by Cheapflights users on 10/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:05 pm -
2 stops25h 20m
Tue 11/1710:29 pm -
2 stops11h 23m
Deal found 10/22![Frontier logo]()
$259
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 October 22, 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 October 22, 2026.
This Southwest deal was found by Cheapflights users on 10/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:25 pm -
Nonstop4h 00m
Wed 11/185:30 am -
Nonstop3h 05m
Deal found 10/20![Southwest logo]()
$307
This United Airlines deal was found by Cheapflights users on 10/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1010:09 am -
2 stops8h 56m
Sun 11/155:30 am -
1 stop5h 06m
Deal found 10/22![United Airlines logo]()
$553
This Southwest deal was found by Cheapflights users on 10/22. 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.
Fri 11/138:00 pm -
Nonstop3h 55m
Sun 11/155:15 am -
Nonstop3h 10m
Deal found 10/22![Southwest logo]()
$307
This Southwest deal was found by Cheapflights users on 10/21. 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.
Fri 12/116:10 pm -
1 stop5h 10m
Mon 12/149:50 am -
2 stops6h 25m
Deal found 10/21![Southwest logo]()
$326
This Southwest deal was found by Cheapflights users on 10/22. 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.
Thu 11/129:35 am -
1 stop7h 40m
Wed 11/181:00 pm -
1 stop6h 00m
Deal found 10/22![Southwest logo]()
$327
This Southwest deal was found by Cheapflights users on 10/22. 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.
Fri 1/156:15 am -
1 stop8h 25m
Sun 1/175:45 am -
Nonstop3h 05m
Deal found 10/22![Southwest logo]()
$371
This Southwest deal was found by Cheapflights users on 10/19. 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 12/168:15 am -
Nonstop4h 00m
Sun 12/205:35 pm -
Nonstop3h 10m
Deal found 10/19![Southwest logo]()
$400
This Southwest deal was found by Cheapflights users on 10/21. 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.
Thu 12/244:50 pm -
2 stops6h 55m
Tue 12/293:45 pm -
2 stops7h 25m
Deal found 10/21![Southwest logo]()
$416
This Southwest deal was found by Cheapflights users on 10/21. 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.
Mon 12/217:15 pm -
2 stops7h 10m
Mon 12/283:45 pm -
2 stops7h 25m
Deal found 10/21![Southwest logo]()
$456
This Southwest deal was found by Cheapflights users on 10/18. 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 12/297:15 pm -
2 stops7h 10m
Sat 1/25:30 am -
2 stops6h 10m
Deal found 10/18![Southwest logo]()
$537
This Southwest deal was found by Cheapflights users on 10/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/74:20 pm -
2 stops6h 55m
Sun 4/1111:05 am -
2 stops6h 40m
Deal found 10/20![Southwest logo]()
$557
This Southwest deal was found by Cheapflights users on 10/19. 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 12/287:15 am -
1 stop5h 20m
Sun 1/35:40 pm -
1 stop5h 55m
Deal found 10/19![Southwest logo]()
$582
Last-minute flights from Baltimore to San AntonioDiscover last-minute flight deals from Baltimore to San Antonio. Data last updated October 22, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to San Antonio. Data last updated October 22, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 10/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:52 pm -
1 stop12h 16m
Mon 10/2610:03 am -
1 stop27h 05m
Deal found 10/20![Frontier logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 11/107:05 pm -
2 stops25h 20m
Mon 11/165:13 pm -
1 stop23h 59m
Deal found 10/20![Frontier logo]()
$265
This Mytrip deal was found by Cheapflights users on 10/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:05 pm -
2 stops25h 20m
Tue 11/1710:29 pm -
2 stops11h 23m
Deal found 10/22![Frontier logo]()
$259
This Mytrip deal was found by Cheapflights users on 10/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/139:52 pm -
2 stops22h 33m
Mon 11/165:13 pm -
2 stops22h 01m
Deal found 10/21![Frontier logo]()
$277
This Expedia deal was found by Cheapflights users on 10/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/169:12 am -
1 stop8h 06m
Mon 12/712:32 pm -
1 stop19h 49m
Deal found 10/21![Frontier logo]()
$243
This Frontier deal was found by Cheapflights users on 10/19. 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.
Mon 11/169:12 am -
1 stop8h 06m
Mon 11/2312:06 pm -
1 stop11h 37m
Deal found 10/19![Frontier logo]()
$303
This Cheapflightsfares deal was found by Cheapflights users on 10/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/193:11 pm -
1 stop21h 00m
Mon 11/2312:06 pm -
1 stop11h 37m
Deal found 10/21![Frontier logo]()
$272
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 October 22, 2026.
Search for one-way flight options from Baltimore to San Antonio. Find affordable one-way fares based on user searches. Data last updated October 22, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 10/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/87:12 pm -
1 stop17h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$120
This Cheapflightsfares deal was found by Cheapflights users on 10/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:12 am -
1 stop8h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
Tue 12/87:12 pm -
2 stops38h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$126
This Cheapflightsfares deal was found by Cheapflights users on 10/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/293:11 pm -
1 stop19h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Frontier logo]()
$127
This Cheapflightsfares deal was found by Cheapflights users on 10/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/296:55 pm -
1 stop18h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 11/178:41 pm -
2 stops23h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Frontier logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
Wed 11/115:45 am -
2 stops16h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 11/306:40 pm -
2 stops25h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Frontier logo]()
$136
This Mytrip deal was found by Cheapflights users on 10/19. 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.
Thu 11/199:12 am -
1 stop26h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
Sun 11/155:45 am -
2 stops35h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Frontier logo]()
$139
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 October 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $231 (Cheapflightsfares) |
One-way from | $120 (Cheapflightsfares) |
Popular in | June |
Cheapest in | January |
Average price | $451 |
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 7,457,451 searches. Data last updated October 22, 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 Baltimore/Washington - SAT San Antonio
BWISAT
Baltimore/Washington
Wed 12/23
7:34 pm-12:41 am
1 stop6h 07m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$156
BaltimoreSan Antonio
BWI Baltimore/Washington - SAT San Antonio
BWISAT
Baltimore/Washington
Thu 12/17
8:00 am-3:31 pm
1 stop8h 31m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$162
BaltimoreSan Antonio
BWI Baltimore/Washington - SAT San Antonio
BWISAT
Baltimore/Washington
Mon 11/30
7:53 pm-12:33 am
1 stop5h 40m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$162
Quickest round-trip
BaltimoreSan Antonio
BWI Baltimore/Washington - SAT San Antonio
BWISAT
Baltimore/Washington
Mon 11/30
8:30 pm-11:20 pm
Nonstop3h 50m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$177
BaltimoreSan Antonio
BWI Baltimore/Washington - SAT San Antonio
BWISAT
Baltimore/Washington
Tue 12/8
10:43 am-7:20 pm
2 stops9h 37m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$216
BaltimoreSan Antonio
BWI Baltimore/Washington - SAT San Antonio
BWISAT
Baltimore/Washington
Fri 10/30
9:12 pm-7:25 pm
2 stops23h 13m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$224
BaltimoreSan Antonio
BWI Baltimore/Washington - SAT San Antonio
BWISAT
Baltimore/Washington
Sat 10/31
9:15 am-9:45 am
2 stops25h 30m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$237
BaltimoreSan Antonio
BWI Baltimore/Washington - SAT San Antonio
BWISAT
Baltimore/Washington
Mon 3/22
5:30 pm-11:20 pm
1 stop6h 50m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$254
BaltimoreSan Antonio
BWI Baltimore/Washington - SAT San Antonio
BWISAT
Baltimore/Washington
Mon 11/2
8:41 pm-7:25 pm
2 stops23h 44m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$256
BaltimoreSan Antonio
BWI Baltimore/Washington - SAT San Antonio
BWISAT
Baltimore/Washington
Thu 12/17
6:00 am-3:37 pm
2 stops10h 37m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$277
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 October.
| 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 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
Prices
More
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 64 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 $439). Flying from Baltimore to San Antonio in June is currently the most expensive (average of $566). 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 October 22, 2026.
It’s typically best to fly out from Baltimore to San Antonio in the afternoon. Doing so could potentially save you 10% on the flight price compared to flying at noon, which is usually more expensive.
What’s the top layover airport for flights from Baltimore to San Antonio?
Share of 1-stop round-trip flights from Baltimore to San Antonio chosen by Cheapflights users in the past 12 months, using the same layover each way.
Charlotte (CLT) – chosen by Cheapflights users on 67% of 1-stop itineraries from Baltimore to San Antonio on Cheapflights.
What’s the cheapest layover airport for flights from Baltimore to San Antonio?
Average round-trip fare for 1-stop flights from Baltimore to San Antonio, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Charlotte (CLT) is the most affordable 1-stop option, with an average round-trip price of $529.
What’s the fastest layover option from Baltimore to San Antonio?
Shortest average travel time for 1-stop one-way flights from Baltimore to San Antonio, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Charlotte (CLT) have the shortest average one-way travel time for 1-stop routes: 5h 41m.
Which airport typically offers the quickest layover for flights from Baltimore to San Antonio?
Average layover duration for 1-stop one-way flights from Baltimore to San Antonio, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Charlotte (CLT) offer the fastest connection on this route, with an average layover time of 0h 46m.
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 October 22, 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.
Crew
8.6
Boarding
8.1
Entertainment
7.4
Food
7.0
Comfort
8.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Crew
8.6
Boarding
8.1
Entertainment
7.4
Food
7.0
Comfort
8.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Crew
8.6
Boarding
8.1
Entertainment
7.4
Food
7.0
Comfort
8.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Crew
8.6
Boarding
8.1
Entertainment
7.4
Food
7.0
Comfort
8.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Crew
8.6
Boarding
8.1
Entertainment
7.4
Food
7.0
Comfort
8.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Crew
8.6
Boarding
8.1
Entertainment
7.4
Food
7.0
Comfort
8.0
Overall
7.9
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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Baltimore and San Antonio flights
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Top 5 airlines flying from Baltimore to San Antonio
Discover the top 5 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 7,457,451 searches. Data last updated October 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$246 | Average$398 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$278 | Average$462 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$281 | Average$472 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$337 | Average$517 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$381 | Average$434 | FlexibilityNo cancel fee | On-time62% |