Cheap flights from Baltimore to San Antonio (BWI - SAT) from $39

This is the cheapest one-way flight price, found on 9/27. Prices may vary by date and flight preferences.
BWI — SAT
Oct 3 — Oct 101

The best prices from Baltimore/Washington to San Antonio are usually found in January or March, booked 60 days in advance, depart on a Saturday or Thursday and return on a Tuesday

How to find the cheapest flight from Baltimore (BWI) to San Antonio (SAT)

All the information you need to plan the best BWI to SAT flight in 2023: compare Baltimore to San Antonio flight prices with the expected peak season, weather and rainfall in San Antonio.

Popular in

June

Cheapest in

January

Round-trip from

$294

One-way from

$135
High demand for flights, 27% potential price rise
Best time to find cheap flights, 46% potential price drop
From Baltimore/Washington to San Antonio
One-way flight from Baltimore/Washington to San Antonio

BWI - SAT

Price

$294 - $510

SAT

Temperature

51.8 - 84.2 °F

SAT

Rainfall

1.6 - 3.7 inches

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

Travelers have found that booking a Friday departure is the best way to save up to 233% 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 55 days early can save you up to 45% on average compared to booking a flight this week. If booking 55 days before your flight isn’t an option for you, users have found flights from Baltimore to San Antonio for as little as $521 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 $646 for flights departing within the next 3 days.

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

January can be a great time to fly to San Antonio from Baltimore with a flight ticket averaging about $441. Cheapflights users have found deals in the month of January for as cheap as $284. The most expensive prices can be found in the month of June.

When is the cheapest time to fly from Baltimore to San Antonio (BWI - SAT)?

It’s typically best to fly out from Baltimore to San Antonio in the evening. Doing so could potentially save you 60% on the flight price compared to flying in the afternoon, which is usually more expensive.

Cheap Frontier flights from Baltimore to San Antonio

Check out some of the cheapest Frontier flights we've come across from Baltimore to San Antonio. Make sure to check back often as deals are often changing.

Cheap Spirit Airlines flights from Baltimore to San Antonio

Browse through some of the cheapest Spirit Airlines flights traveling from Baltimore to San Antonio. Make sure to examine the flight information before completing your reservation.

Cheap Baltimore to San Antonio flights in September & October 2023

The best prices found for BWI to SAT flights for September, October
Listed are some of the best fares we've found on flights departing from Baltimore to San Antonio in 2023. Check back in a little while for more flight options.

Baltimore to San Antonio 2023 flight deals

Cheap flights to San Antonio from Baltimore found for this year
Listed are some of the best fares we've found on flights departing from Baltimore to San Antonio in 2023. Check back in a little while for more flight options.

Non-stop flights to San Antonio from Baltimore

Save time with Baltimore to San Antonio direct flight deals
Consider booking one of these non-stop flights heading from Baltimore to San Antonio. Users seeking other options on flights from Baltimore to San Antonio should update the search form at the top of the page.

Baltimore to San Antonio flights leaving soon

Late deals on return flights to San Antonio from Baltimore, departing today and this week
Have a look at some of the flights available from Baltimore to San Antonio departing last-minute. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.

One-way flights to San Antonio from Baltimore

The cheapest one-way flights from Baltimore to San Antonio
Take a look at some of the one-way flights we've detected from Baltimore to San Antonio. Users needing a return flight from Baltimore to San Antonio should utilize the search form above.

Find flights from Baltimore to San Antonio within your budget

Use the slider to find flights from Baltimore to San Antonio that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$76 - $128

Route

Depart

Return

Price

Baltimore/WashingtonSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

Sat 10/28

Nonstop3h 47m

San Antonio

Tue 10/31

1 stop28h 01m

Baltimore/WashingtonSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

Wed 10/11

Nonstop3h 47m

San Antonio

Tue 10/17

Nonstop3h 20m

Baltimore/WashingtonSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

Wed 10/11

Nonstop3h 47m

San Antonio

Sat 10/14

Nonstop3h 20m

Baltimore/WashingtonSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

Wed 10/18

Nonstop3h 47m

San Antonio

Tue 10/24

1 stop9h 32m

Baltimore/WashingtonSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

Fri 11/10

Nonstop3h 47m

San Antonio

Tue 11/14

Nonstop3h 20m

Baltimore/WashingtonSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

Fri 11/10

Nonstop3h 47m

San Antonio

Mon 11/13

Nonstop3h 20m

Baltimore/WashingtonSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

Mon 10/23

1 stop6h 13m

San Antonio

Thu 10/26

Nonstop3h 20m

Baltimore/WashingtonSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

Wed 10/11

Nonstop3h 47m

San Antonio

Wed 10/18

1 stop6h 17m

Baltimore/WashingtonSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

Wed 11/1

1 stop20h 26m

San Antonio

Sat 11/4

1 stop25h 11m

Flights are sorted by cheapest first

Deals found on 9/27

Reviews of airlines servicing San Antonio

Get a feel of what it's like to fly with Frontier and Spirit 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.
Alaska Airlines
8.1
Very good
1,394 reviews

Comfort

8.0

Entertainment

7.2

Overall

8.1

Crew

8.6

Boarding

8.3

Food

7.2

Reviews

1 / 10

It wasn’t clear how we could obtain Wi-Fi

Alaska Airlines
8.1
Very good
1,394 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Comfort

8.0

Entertainment

7.2

Overall

8.1

Crew

8.6

Boarding

8.3

Food

7.2

Reviews

1 / 10

It wasn’t clear how we could obtain Wi-Fi

Delta
7.9
Good
3,023 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Comfort

8.0

Entertainment

7.2

Overall

8.1

Crew

8.6

Boarding

8.3

Food

7.2

Reviews

1 / 10

It wasn’t clear how we could obtain Wi-Fi

United Airlines
7.4
Good
1,890 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Comfort

8.0

Entertainment

7.2

Overall

8.1

Crew

8.6

Boarding

8.3

Food

7.2

Reviews

1 / 10

It wasn’t clear how we could obtain Wi-Fi

American Airlines
7.2
Good
2,635 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Comfort

8.0

Entertainment

7.2

Overall

8.1

Crew

8.6

Boarding

8.3

Food

7.2

Reviews

1 / 10

It wasn’t clear how we could obtain Wi-Fi

Spirit Airlines
6.3
Okay
1,483 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Comfort

8.0

Entertainment

7.2

Overall

8.1

Crew

8.6

Boarding

8.3

Food

7.2

Reviews

1 / 10

It wasn’t clear how we could obtain Wi-Fi

Related info for your journey

Useful info, stats and facts about Baltimore to San Antonio flights.

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 are 3 flights from Baltimore/Washington to San Antonio, all of which are around 3h 40m 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 flights from Baltimore to San Antonio for under $100 on Cheapflights?

Yes, there are multiple flights from Baltimore to San Antonio for under $100. The cheapest flight booked recently is on Multiple Airlines for just $76, but on average you can expect to pay $100.

Are there nonstop flights from Baltimore to San Antonio for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Baltimore to San Antonio under $100. A good price for a nonstop flight from Baltimore to San Antonio is less than $111.

Are there last-minute flights available from Baltimore to San Antonio for under $100?

There are currently 20+ open flights from Baltimore to San Antonio within the next 7 days for less than $100.

What days are nonstop flights available from Baltimore to San Antonio?

Days when nonstop flights are available for this flight are: Monday, Friday, Saturday.

How many flights depart from Baltimore to San Antonio on average per day?

On average 4 flights depart from Baltimore to San Antonio per day.
Morning (6am - Noon) - 25% of flight departures
Afternoon (Noon - 6pm) - 25% of flight departures
Evening (6pm - Midnight) - 50% of flight departures

How long is the flight from Baltimore to San Antonio?

Airlines like Spirit Airlines fly from Baltimore to San Antonio in about 3h 47m. The time it takes to get you to your destination is usually consistent. There are 1413 mi between Baltimore and San Antonio. Most flights are nonstop.

What is the cheapest airline to fly 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 $79 on this airline. You may be able to fly from Baltimore to San Antonio for 80% less than the average price by searching for this airline.

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

What are the cheapest flights from Baltimore to San Antonio?

The cheapest flight price from Baltimore to San Antonio is $36. On average you can expect to pay $93. The most popular route, (Baltimore/Washington - San Antonio), can usually be booked for $79.

What does BWI to SAT mean?

BWI and SAT are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. BWI to SAT refers to a flight route from Baltimore/Washington Airport to San Antonio Airport.

Other flights to San Antonio

Alternative routes for Baltimore to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Baltimore to San Antonio

The chart below displays the airlines Cheapflights users traveling from Baltimore to San Antonio choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$85Average$161FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
FrontierCheapest$151Average$180FlexibilityNo cancel feeOn-time62%
Search Frontier flights
United AirlinesCheapest$158Average$444FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$230Average$470FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$279Average$517FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Hourly flight availability from Baltimore to San Antonio

See what time of day planes typically take off from Baltimore to San Antonio
0%of flight departuresEarly morningMidnight to 6 am
52%of flight departuresMorning6 am to noon
36%of flight departuresAfternoonNoon to 6 pm
12%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Baltimore to San Antonio

See how many times per day planes take to the skies headed from Baltimore to San Antonio
Sunday4daily flights
Monday3daily flights
Tuesday3daily flights
Wednesday3daily flights
Thursday3daily flights
Friday3daily flights
Saturday5daily flights

Fly with Cheapflights

What makes Cheapflights the go-to destination for all your flight needs

How does Cheapflights help users find flights from Baltimore to San Antonio?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Baltimore to San Antonio. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Baltimore to San Antonio?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Baltimore to San Antonio.

Can Cheapflights find flights from Baltimore to San Antonio with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Baltimore to San Antonio, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Baltimore to San Antonio become cheaper?

Not ready to book yet? You can track prices for flights from Baltimore to San Antonio on Cheapflights with our Price Alert feature and get notified when better prices are available.

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