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$56+ 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SAT
abr. 7 — abr. 141
lun. 4/7
lun. 4/14
1 adult, Economy
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Cheapflights Tip: The best prices from Baltimore/Washington to San Antonio are usually found in January or August, booked 42 days in advance, depart on a Thursday or Wednesday and return on a Monday

Cheap 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 abril 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$253
(Cheapflightsfares)

One-way from

$56
(FlightHub)

Popular in

December

Cheapest in

January

Average price

$418
Provider with most accurate pricing for Baltimore/Washington-San Antonio flight deals.
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Provider most trusted by Cheapflights users for Baltimore/Washington-San Antonio flights.
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From Baltimore/Washington to San Antonio
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One-way flight from Baltimore/Washington to San Antonio
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Highest demand for flights based on searches. 6% potential increase in price ($26 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 2, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/1. 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.
jue. 4/1711:30 amBWI - SAT
1 stop9h 04mSpirit Airlines
dom. 4/207:25 pmSAT - BWI
1 stop9h 21mSpirit Airlines
Deal found 4/1$253
This Booking.com deal was found by Cheapflights users on 4/1. 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.
sáb. 4/129:56 pmBWI - SAT
1 stop11h 17mMultiple Airlines
lun. 4/145:39 amSAT - BWI
1 stop13h 48mMultiple Airlines
Deal found 4/1$261
This Delta deal was found by Cheapflights users on 4/1. 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.
mié. 4/236:00 amBWI - SAT
1 stop5h 45mDelta
mié. 4/234:48 pmSAT - BWI
1 stop5h 34mDelta
Deal found 4/1$308
This American Airlines deal was found by Cheapflights users on 4/1. 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.
mié. 4/306:40 amBWI - SAT
1 stop5h 14mAmerican Airlines
sáb. 5/37:00 amSAT - BWI
1 stop6h 30mAmerican Airlines
Deal found 4/1$316
This Frontier deal was found by Cheapflights users on 4/1. 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.
mié. 7/26:00 amBWI - SAT
1 stop6h 37mFrontier
vie. 7/1812:27 pmSAT - BWI
1 stop10h 46mFrontier
Deal found 4/1$340
This Southwest deal was found by Cheapflights users on 3/31. 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.
mié. 4/2310:10 amBWI - SAT
Nonstop3h 45mSouthwest
vie. 4/255:20 amSAT - BWI
Nonstop3h 20mSouthwest
Deal found 3/31$390
This United deal was found by Cheapflights users on 4/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/2711:19 amBWI - SAT
2 stops12h 40mUnited Airlines
sáb. 5/316:45 amSAT - BWI
1 stop6h 12mUnited Airlines
Deal found 4/1$460

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 abril 2, 2025.
Use the filters below to find and compare flights from Baltimore to San Antonio that are best for you.

Fly from

Baltimore

Fly to

San Antonio

Route

Depart

Return

Price

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

vie. 4/11

6:51 am-6:20 pm

1 stop12h 29m

San Antonio

dom. 4/13

7:25 pm-5:46 am

1 stop9h 21m

$255

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

mar. 4/8

6:30 am-9:35 pm

1 stop16h 05m

San Antonio

dom. 4/13

9:03 am-7:25 am

1 stop21h 22m

$275

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

sáb. 4/19

9:56 pm-8:13 am

1 stop11h 17m

San Antonio

dom. 4/20

8:36 pm-11:27 am

1 stop13h 51m

$308

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

mié. 4/30

6:40 am-10:54 am

1 stop5h 14m

San Antonio

sáb. 5/3

7:00 am-2:30 pm

1 stop6h 30m

$316

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

jue. 5/1

7:00 pm-9:45 pm

Nonstop3h 45m

San Antonio

mié. 5/7

5:55 am-10:15 am

Nonstop3h 20m

$368

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

mié. 4/30

7:00 am-11:08 am

1 stop5h 08m

San Antonio

sáb. 5/3

5:30 am-12:59 pm

1 stop6h 29m

$375

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

mié. 4/30

10:50 am-4:39 pm

1 stop6h 49m

San Antonio

sáb. 5/3

9:40 am-9:37 pm

2 stops10h 57m

$401

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

vie. 5/9

7:33 am-10:11 am

Nonstop3h 38m

$56

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

mié. 5/14

2:59 pm-5:08 pm

3 stops27h 09m

$147

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

mié. 6/4

10:10 am-12:55 pm

Nonstop3h 45m

$173

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 12 results
1
2

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.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
FareScanPrice Accuracy-Trust Score*3 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*2 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 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.
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 28, 2025.

To ensure you get the cheapest price possible for a flight from Baltimore to San Antonio, you should look to book at least 42 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?

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 2, 2025.

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?

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.

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

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

Plan your trip to San Antonio by taking into account the average temperature totals 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 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 abril 2, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta 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.
Alaska Airlines
8.0
Very good
9,823 reviews

Crew

8.5

Comfort

7.9

Food

7.1

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,823 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Crew

8.5

Comfort

7.9

Food

7.1

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,275 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Crew

8.5

Comfort

7.9

Food

7.1

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,897 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Crew

8.5

Comfort

7.9

Food

7.1

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,616 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Crew

8.5

Comfort

7.9

Food

7.1

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Crew

8.5

Comfort

7.9

Food

7.1

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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?

    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 6 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 $253 on this airline. Additional options worth looking into are Frontier and Southwest, starting at $320 and $345 round-trip. You may be able to fly from Baltimore to San Antonio for 35% 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 $56. However, be on the lookout for offers from United Airlines and Southwest, 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 $308. The most popular route, (Baltimore/Washington - San Antonio), can usually be booked for $114.

  • 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

Traveling to a place near Baltimore?

Book flights to Baltimore if you plan to visit one of these locations
New Braunfels

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Alternative routes for Baltimore to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
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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 abril 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$86Average$194FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$134Average$227FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$202Average$392FlexibilityNo cancel feeOn-time71%
DeltaCheapest$249Average$460FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$279Average$408FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$280Average$474FlexibilityNo cancel feeOn-time63%

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