How popular is this Baltimore to San Antonio flight route?

Flights from Baltimore/Washington to San Antonio have been viewed 3 times in the past calendar month.

What are the cheapest airlines flying from Baltimore to San Antonio round-trip?

Our cheapest airline available from Baltimore to San Antonio is Spirit Airlines. Our recent data shows that you can find tickets from as low as $262 on this airline. Additional options worth looking into are Frontier and American Airlines, starting at $281 and $339 round-trip. You may be able to fly from Baltimore to San Antonio for 33% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from Baltimore to San Antonio one-way?

The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $89. However, be on the lookout for offers from Frontier and Sun Country Air, as they are both options that can get you from Baltimore to San Antonio for a low price.

What are the cheapest flights from Baltimore to San Antonio?

The cheapest flight price from Baltimore to San Antonio is $55. On average you can expect to pay $338. The most popular route, (Baltimore/Washington - San Antonio), can usually be booked for $184.

What are the most popular airlines that fly from Baltimore to San Antonio?

Before booking your flight from Baltimore to San Antonio check out the most popular airlines for this route: American Airlines, Delta or Spirit Airlines.

What is the cheapest day to fly round-trip from Baltimore to San Antonio?

Travelers have found that booking a Wednesday departure is the best way to save up to 24% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

How far in advance should I book a flight from Baltimore to San Antonio?

Users have found that booking a flight from Baltimore to San Antonio at least 52 days early can save you up to 83% on average compared to booking a flight this week. If booking 52 days before your flight isn’t an option for you, users have found flights from Baltimore to San Antonio for as little as $400 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $518 for flights departing within the next 3 days.

What is the cheapest month to fly from Baltimore to San Antonio?

August can be a great time to fly to San Antonio from Baltimore with a flight ticket averaging about $386. Cheapflights users have found deals in the month of August for as cheap as $237. The most expensive prices can be found in the month of December.

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 eDreams the most. eDreams 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.

What airports do I use to fly from Baltimore to San Antonio?

Booking a flight from Baltimore/Washington (BWI) to San Antonio (SAT) is your only option if you wish to fly from Baltimore to San Antonio. On a typical day, there is 1 flight from Baltimore/Washington to San Antonio, all of which are around 3h 30m for a nonstop flight. You can also purchase a plane ticket from 5 airlines when you book a flight from Baltimore/Washington to San Antonio.

Can I find deals for flights from Baltimore to San Antonio that include hotel bookings?

Yes. In addition to deals on Baltimore to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Baltimore to San Antonio?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Baltimore to San Antonio.

Can I find deals for business class flights from Baltimore to San Antonio?

Yes. Cheapflights offers flight deals from Baltimore to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$89+ Flights from Baltimore to San Antonio

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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 August, booked 23 days in advance, depart on a Thursday or Wednesday and return on a Monday

Cheap flight deals from Baltimore to San Antonio

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$261 (Booking.com)
One-way from	$89 (Kiwi.com)
Popular in	December
Cheapest in	January
Average price	$469

Provider with most accurate pricing for Baltimore/Washington-San Antonio flight deals.

Search Deals

Provider most trusted by Cheapflights users for Baltimore/Washington-San Antonio flights.

Search Deals

From Baltimore/Washington to San Antonio

Search Deals

One-way flight from Baltimore/Washington to San Antonio

Search Deals

Highest demand for flights based on searches. 5% potential increase in price ($23 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from Baltimore to San Antonio

Cheapest flights from Baltimore to San Antonio
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 abril 25, 2025.

vie. 5/307:33 amBWI - SAT

Nonstop3h 38mMultiple Airlines

dom. 6/17:50 pmSAT - BWI

1 stop19h 35mMultiple Airlines

Deal found 4/24

$261

jue. 5/86:20 amBWI - SAT

1 stop7h 12mSpirit Airlines

lun. 5/121:27 pmSAT - BWI

1 stop9h 51mSpirit Airlines

Deal found 4/23

$262

sáb. 5/39:21 pmBWI - SAT

1 stop13h 31mFrontier

lun. 5/58:31 pmSAT - BWI

1 stop18h 26mFrontier

Deal found 4/24

$281

jue. 6/265:38 pmBWI - SAT

1 stop5h 22mAmerican Airlines

mar. 7/811:47 amSAT - BWI

1 stop5h 19mAmerican Airlines

Deal found 4/24

$339

mar. 6/178:25 pmBWI - SAT

Nonstop3h 35mSouthwest

mar. 6/243:55 pmSAT - BWI

Nonstop3h 25mSouthwest

Deal found 4/25

$345

vie. 5/307:44 pmBWI - SAT

1 stop5h 44mDelta

lun. 6/24:15 pmSAT - BWI

1 stop5h 30mDelta

Deal found 4/23

$377

jue. 5/2911:19 amBWI - SAT

2 stops11h 13mUnited Airlines

lun. 6/25:30 amSAT - BWI

1 stop5h 31mUnited Airlines

Deal found 4/24

$434

Best flights from Baltimore to San Antonio
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 abril 25, 2025.

vie. 5/307:33 amBWI - SAT

Nonstop3h 38mMultiple Airlines

dom. 6/17:50 pmSAT - BWI

1 stop19h 35mMultiple Airlines

Deal found 4/24

$261

jue. 5/86:20 amBWI - SAT

1 stop7h 12mSpirit Airlines

lun. 5/121:27 pmSAT - BWI

1 stop9h 51mSpirit Airlines

Deal found 4/23

$262

sáb. 5/39:21 pmBWI - SAT

1 stop13h 31mFrontier

lun. 5/58:31 pmSAT - BWI

1 stop18h 26mFrontier

Deal found 4/24

$281

jue. 6/265:38 pmBWI - SAT

1 stop5h 22mAmerican Airlines

mar. 7/811:47 amSAT - BWI

1 stop5h 19mAmerican Airlines

Deal found 4/24

$339

mar. 6/178:25 pmBWI - SAT

Nonstop3h 35mSouthwest

mar. 6/243:55 pmSAT - BWI

Nonstop3h 25mSouthwest

Deal found 4/25

$345

vie. 5/307:44 pmBWI - SAT

1 stop5h 44mDelta

lun. 6/24:15 pmSAT - BWI

1 stop5h 30mDelta

Deal found 4/23

$377

jue. 5/2911:19 amBWI - SAT

2 stops11h 13mUnited Airlines

lun. 6/25:30 amSAT - BWI

1 stop5h 31mUnited Airlines

Deal found 4/24

$434

Last-minute flights from Baltimore to San Antonio
Discover last-minute flight deals from Baltimore to San Antonio. Data last updated abril 25, 2025 and is based on user searches.

mié. 4/305:00 amBWI - SAT

1 stop6h 54mAmerican Airlines

dom. 5/48:00 amSAT - BWI

1 stop5h 30mAmerican Airlines

Deal found 4/24

$790

mié. 4/307:06 amBWI - SAT

1 stop12h 31mAlaska Airlines

sáb. 5/36:35 amSAT - BWI

2 stops14h 14mAlaska Airlines

Deal found 4/25

$1,588

vie. 5/26:51 amBWI - SAT

1 stop11h 35mSpirit Airlines

dom. 5/117:00 amSAT - BWI

1 stop11h 39mSpirit Airlines

Deal found 4/24

$285

vie. 5/26:51 amBWI - SAT

1 stop11h 35mMultiple Airlines

dom. 5/48:25 pmSAT - BWI

1 stop19h 57mMultiple Airlines

Deal found 4/24

$317

sáb. 5/39:21 pmBWI - SAT

1 stop13h 31mFrontier

lun. 5/58:31 pmSAT - BWI

1 stop18h 26mFrontier

Deal found 4/24

$281

dom. 5/49:25 pmBWI - SAT

Nonstop3h 45mSouthwest

sáb. 5/108:30 amSAT - BWI

Nonstop3h 20mSouthwest

Deal found 4/25

$606

dom. 5/46:00 amBWI - SAT

1 stop6h 16mUnited Airlines

sáb. 5/1012:09 pmSAT - BWI

2 stops8h 28mUnited Airlines

Deal found 4/25

$671

lun. 5/55:40 amBWI - SAT

1 stop5h 19mDelta

jue. 5/86:19 pmSAT - BWI

1 stop5h 29mDelta

Deal found 4/24

$916

jue. 5/86:20 amBWI - SAT

1 stop7h 12mSpirit Airlines

lun. 5/121:27 pmSAT - BWI

1 stop9h 51mSpirit Airlines

Deal found 4/23

$262

sáb. 5/245:10 pmBWI - SAT

Nonstop3h 40mSouthwest

mar. 5/275:55 amSAT - BWI

Nonstop3h 20mSouthwest

Deal found 4/25

$363

jue. 5/2911:19 amBWI - SAT

2 stops11h 13mUnited Airlines

lun. 6/25:30 amSAT - BWI

1 stop5h 31mUnited Airlines

Deal found 4/24

$434

vie. 5/307:33 amBWI - SAT

Nonstop3h 38mMultiple Airlines

dom. 6/17:50 pmSAT - BWI

1 stop19h 35mMultiple Airlines

Deal found 4/24

$261

One-way flights from Baltimore to San Antonio
Search for one-way flight options from Baltimore to San Antonio. Find affordable one-way fares based on user searches. Data last updated abril 25, 2025.

lun. 5/267:33 amBWI - SAT

Nonstop3h 38mSpirit Airlines

Deal found 4/25

$89

sáb. 5/39:21 pmBWI - SAT

1 stop13h 31mFrontier

Deal found 4/24

$146

sáb. 7/55:44 pmBWI - SAT

1 stop17h 03mSun Country Air

Deal found 4/24

$153

mié. 5/285:40 amBWI - SAT

1 stop6h 33mDelta

Deal found 4/24

$158

mar. 7/16:15 amBWI - SAT

2 stops10h 17mUnited Airlines

Deal found 4/25

$173

mié. 7/165:15 pmBWI - SAT

2 stops6h 20mSouthwest

Deal found 4/24

$185

mié. 7/237:49 pmBWI - SAT

2 stops14h 24mAmerican Airlines

Deal found 4/25

$241

Cheapflights Fare Finder

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

Price

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

vie. 5/30

7:33 am-10:11 am

Nonstop3h 38m

San Antonio

dom. 6/1

7:50 pm-4:25 pm

1 stop19h 35m

$261

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

jue. 5/8

6:20 am-12:32 pm

1 stop7h 12m

San Antonio

lun. 5/12

1:27 pm-12:18 am

1 stop9h 51m

$262

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

sáb. 5/3

9:21 pm-9:52 am

1 stop13h 31m

San Antonio

lun. 5/5

8:31 pm-3:57 pm

1 stop18h 26m

$281

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

jue. 6/26

5:38 pm-10:00 pm

1 stop5h 22m

San Antonio

mar. 7/8

11:47 am-6:06 pm

1 stop5h 19m

$339

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

mar. 6/17

8:25 pm-11:00 pm

Nonstop3h 35m

San Antonio

mar. 6/24

3:55 pm-8:20 pm

Nonstop3h 25m

$345

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

vie. 5/30

7:44 pm-12:28 am

1 stop5h 44m

San Antonio

lun. 6/2

4:15 pm-10:45 pm

1 stop5h 30m

$377

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

jue. 5/29

11:19 am-9:32 pm

2 stops11h 13m

San Antonio

lun. 6/2

5:30 am-12:01 pm

1 stop5h 31m

$434

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

lun. 5/26

7:33 am-10:11 am

Nonstop3h 38m

$89

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

sáb. 5/3

9:21 pm-9:52 am

1 stop13h 31m

$146

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

sáb. 7/5

5:44 pm-9:47 am

1 stop17h 03m

$153

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

Showing 1-10 of 14 results

Compare providers for flights from Baltimore to San Antonio

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 April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
Flightnetwork	Price Accuracy-	Trust Score*3 stars
FareScan	Price Accuracy-	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
Kiwi.com	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

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 eDreams the most. eDreams 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.

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 23 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, August is the cheapest month in which you can book a flight from Baltimore to San Antonio (average of $295). Flying from Baltimore to San Antonio in March is currently the most expensive (average of $376). 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?

It’s typically best to fly out from Baltimore to San Antonio in the afternoon. Doing so could potentially save you 32% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Baltimore to San Antonio?

Travelers seeking maximum savings on their Baltimore to San Antonio flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in San Antonio by month

In terms of precipitation, rainfall in San Antonio ranges from 1.6 - 3.7 inches per month. May is typically the wettest month, when rainfall can reach 3.7 in. December is typically the driest time to visit San Antonio when rainfall is around 1.6 in.

Temperature in San Antonio by month

If weather is an important factor for your trip to San Antonio, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Antonio

Get a feel of what it's like to fly with Southwest, Delta and United Airlines from Baltimore to San Antonio by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,289 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest

8.0

Very good

4,289 reviews

Southwest

8.0

Very good

4,289 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta

8.0

Very good

7,920 reviews

Southwest

8.0

Very good

4,289 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines

7.4

Good

8,685 reviews

Southwest

8.0

Very good

4,289 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,289 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Sun Country Air

6.9

Okay

347 reviews

Southwest

8.0

Very good

4,289 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

What airports do I use to fly from Baltimore to San Antonio?
Booking a flight from Baltimore/Washington (BWI) to San Antonio (SAT) is your only option if you wish to fly from Baltimore to San Antonio. On a typical day, there is 1 flight from Baltimore/Washington to San Antonio, all of which are around 3h 30m for a nonstop flight. You can also purchase a plane ticket from 5 airlines when you book a flight from Baltimore/Washington to San Antonio.
How popular is this Baltimore to San Antonio flight route?
Flights from Baltimore/Washington to San Antonio have been viewed 3 times in the past calendar month.
What are the cheapest airlines flying from Baltimore to San Antonio round-trip?
Our cheapest airline available from Baltimore to San Antonio is Spirit Airlines. Our recent data shows that you can find tickets from as low as $262 on this airline. Additional options worth looking into are Frontier and American Airlines, starting at $281 and $339 round-trip. You may be able to fly from Baltimore to San Antonio for 33% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Baltimore to San Antonio one-way?
The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $89. However, be on the lookout for offers from Frontier and Sun Country Air, as they are both options that can get you from Baltimore to San Antonio for a low price.
What are the cheapest flights from Baltimore to San Antonio?
The cheapest flight price from Baltimore to San Antonio is $55. On average you can expect to pay $338. The most popular route, (Baltimore/Washington - San Antonio), can usually be booked for $184.
Can I find deals for flights from Baltimore to San Antonio that include hotel bookings?
Yes. In addition to deals on Baltimore to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Baltimore to San Antonio?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Baltimore to San Antonio.
Can I find deals for business class flights from Baltimore to San Antonio?
Yes. Cheapflights offers flight deals from Baltimore to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Baltimore to San Antonio?
Currently, August is the cheapest month in which you can book a flight from Baltimore to San Antonio (average of $295). Flying from Baltimore to San Antonio in March is currently the most expensive (average of $376). 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.

See more FAQs

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Other flights to San Antonio

Top 5 airlines flying from Baltimore to San Antonio

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$138	Average$224	FlexibilityNo cancel fee	On-time65%
American Airlines	Cheapest$202	Average$389	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$249	Average$466	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$281	Average$472	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$281	Average$408	FlexibilityNo cancel fee	On-time69%

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$89+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Baltimore to San Antonio with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Baltimore/Washington to San Antonio are usually found in January or August, booked 23 days in advance, depart on a Thursday or Wednesday and return on a Monday

Cheap flight deals from Baltimore to San Antonio

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Baltimore to San Antonio

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 abril 25, 2025.

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 abril 25, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Baltimore to San Antonio that are best for you.

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 April.

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.

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 April 25, 2025.

What is the cheapest month to book a flight from Baltimore to San Antonio?

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 abril 25, 2025.

What is the cheapest day to fly from Baltimore to San Antonio?

Use this chart to determine the cheapest time to fly round-trip from Baltimore to San Antonio. Price data was last updated on March 30, 2025.

Rainfall in San Antonio by month

Plan your trip to San Antonio by taking into account the average rainfall totals by month.

Temperature in San Antonio by month

Plan your trip to San Antonio by taking into account the average temperature totals by month.

Reviews of airlines servicing San Antonio

Get a feel of what it's like to fly with Southwest, Delta and United Airlines from Baltimore to San Antonio by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

What airports do I use to fly from Baltimore to San Antonio?

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What are the cheapest airlines flying from Baltimore to San Antonio round-trip?

What are the cheapest airlines to fly from Baltimore to San Antonio one-way?

What are the cheapest flights from Baltimore to San Antonio?

Can I find deals for flights from Baltimore to San Antonio that include hotel bookings?

How can I find direct flights from Baltimore to San Antonio?

Can I find deals for business class flights from Baltimore to San Antonio?

What is the cheapest month to book a flight from Baltimore to San Antonio?

Traveling to a place near Baltimore?

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Alternative routes for Baltimore to San Antonio

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Top 5 airlines flying from Baltimore to San Antonio

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Cheapest flights from Baltimore to San Antonio
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 abril 25, 2025.