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$69+ Cheap flights from San Antonio to Baltimore (SAT - BWI)

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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BWI
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from San Antonio to Baltimore/Washington are usually found in August or January, booked 68 days in advance, depart on a Monday or Thursday and return on a Friday

Cheap flight deals from San Antonio to Baltimore

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Baltimore (BWI). 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 July 29, 2025.

Round-trip from

$186
(Cheapflightsfares)

One-way from

$69
(Cheapflightsfares)

Popular in

December

Cheapest in

August

Average price

$353
From San Antonio to Baltimore/Washington
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One-way flight from San Antonio to Baltimore/Washington
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Highest demand for flights based on searches. 5% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from San Antonio to Baltimore

Cheapest flights from San Antonio to Baltimore
Explore the most affordable flight options available from San Antonio to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/27. 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.
Sat 9/138:37 pmSAT - BWI
1 stop9h 23mSpirit Airlines
Tue 9/168:15 amBWI - SAT
1 stop13h 37mSpirit Airlines
Deal found 7/27$186
This CheapOair deal was found by Cheapflights users on 7/29. 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.
Wed 8/138:28 pmSAT - BWI
1 stop9h 26mMultiple Airlines
Sun 8/172:59 pmBWI - SAT
1 stop18h 06mMultiple Airlines
Deal found 7/29$229
This FlightHub deal was found by Cheapflights users on 7/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/810:16 amSAT - BWI
1 stop22h 17mFrontier
Sat 8/165:26 pmBWI - SAT
1 stop26h 47mFrontier
Deal found 7/26$235

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Antonio to Baltimore 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 July 29, 2025.
Use the filters below to find and compare flights from San Antonio to Baltimore that are best for you.

Fly from

San Antonio

Fly to

Baltimore

Route

Depart

Return

Price

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Sat 9/13

8:37 pm-7:00 am

1 stop9h 23m

Baltimore/Washington

Tue 9/16

8:15 am-8:52 pm

1 stop13h 37m

$186

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Sun 8/3

8:14 pm-4:31 pm

1 stop19h 17m

Baltimore/Washington

Wed 8/13

5:45 am-7:23 pm

1 stop14h 38m

$229

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Fri 8/8

10:16 am-9:33 am

1 stop22h 17m

Baltimore/Washington

Sat 8/16

5:26 pm-7:13 pm

1 stop26h 47m

$235

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Sat 9/20

8:37 pm-7:00 am

1 stop9h 23m

$69

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Thu 9/18

11:33 am-12:17 am

1 stop11h 44m

$96

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Tue 9/9

1:10 pm-5:35 pm

Nonstop3h 25m

$139

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Tue 8/26

10:45 am-5:20 pm

1 stop5h 35m

$144

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

The best insider tips for San Antonio to Baltimore flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your San Antonio to Baltimore trip
Airports
SAT

For longer trips, the economy lots with shuttle service offer better value than parking directly at SAT.

Read more about SATby Ramsey Qubein
BWI

Take the MTA Light Rail from BWI to downtown Baltimore for a quick and easy transit option.

Read more about BWIby Emily Zemler
Our travel experts
Emily Zemler

Emily Zemler

Expert on BWI

Emily Zemler

Emily Zemler

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on SAT

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Best time to book a flight from San Antonio to Baltimore

Have a flexible travel schedule? Discover the best time to fly to Baltimore from San Antonio 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 San Antonio to Baltimore

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

Use this chart to determine the optimal time to book a round-trip flight from San Antonio to Baltimore. Price data was last updated on July 25, 2025.

Booking 68 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Antonio to Baltimore. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from San Antonio to Baltimore (average of $241). Flying from San Antonio to Baltimore in March is currently the most expensive (average of $290). 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 SAT to BWI?

Find hourly flight availability from San Antonio to Baltimore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

A simple way to save on the total cost of your ticket is to fly from San Antonio to Baltimore in the evening. If you’re flexible enough to do this you can expect to save up to 61% on your trip compared to booking a flight in the afternoon.

What’s the top layover airport for flights from San Antonio to Baltimore?

Share of 1-stop round-trip flights from San Antonio to Baltimore chosen by Cheapflights users in the past 12 months, using the same layover each way.

Fort Lauderdale (FLL) – chosen by Cheapflights users on 67% of 1-stop itineraries from San Antonio to Baltimore on Cheapflights.

What’s the cheapest layover airport for flights from San Antonio to Baltimore?

Average round-trip fare for 1-stop flights from San Antonio to Baltimore, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Orlando (MCO) is the most affordable 1-stop option, with an average round-trip price of $129.

What’s the fastest layover option from San Antonio to Baltimore?

Shortest average travel time for 1-stop one-way flights from San Antonio to Baltimore, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Fort Lauderdale (FLL) have the shortest average one-way travel time for 1-stop routes: 8h 14m.

Which airport typically offers the quickest layover for flights from San Antonio to Baltimore?

Average layover duration for 1-stop one-way flights from San Antonio to Baltimore, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Fort Lauderdale (FLL) offer the fastest connection on this route, with an average layover time of 8h 34m.

Reviews of airlines servicing Baltimore

Get insights into the airlines that provide service to Baltimore. 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 Baltimore. Reviews last updated July 29, 2025.
Read through reviews of airlines operating flights from San Antonio to Baltimore, such as Southwest, Delta, and Spirit Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,238 reviews

Overall

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Comfort

8.0

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
4,238 reviews
Southwest
8.0
Very good
4,238 reviews

Overall

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Comfort

8.0

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
7,979 reviews
Southwest
8.0
Very good
4,238 reviews

Overall

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Comfort

8.0

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.
Spirit Airlines
6.3
Okay
8,044 reviews
Southwest
8.0
Very good
4,238 reviews

Overall

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Comfort

8.0

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.
Frontier
5.9
Fair
3,238 reviews
Southwest
8.0
Very good
4,238 reviews

Overall

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Comfort

8.0

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

Find useful and relevant information for your journey from San Antonio to Baltimore. 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 San Antonio to Baltimore?

    If you wish to fly to Baltimore from San Antonio, then you need to book flights from San Antonio to Baltimore/Washington. There are 2 flights from San Antonio (SAT) to Baltimore/Washington (BWI) per day to choose from. Flights to Baltimore from San Antonio are available from 6 different airlines, which means you should have some options if you want to compare airfare deals. 3h 10m is how long a nonstop flight from San Antonio to Baltimore/Washington typically takes.

  • How popular is this San Antonio to Baltimore flight route?

    This flight path from San Antonio to Baltimore/Washington was viewed by 14 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Currently priced at $186, Spirit Airlines will fly you from San Antonio to Baltimore and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Frontier for as low as $235. Spirit Airlines is 53% cheaper than the average price of flights available within the next 90 days to this destination.

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

    $69 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Frontier and Southwest, with prices starting from $96 and $139, respectively.

  • What are the cheapest flights from San Antonio to Baltimore?

    On average you can expect to pay $285 for a flight from San Antonio to Baltimore. The cheapest flight overall is $122 while the most popular route, (San Antonio - Baltimore/Washington) is currently priced at $186.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Antonio to Baltimore 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 San Antonio to Baltimore?

    Currently, August is the cheapest month in which you can book a flight from San Antonio to Baltimore (average of $241). Flying from San Antonio to Baltimore in March is currently the most expensive (average of $290). 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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Top 6 airlines flying from San Antonio to Baltimore

Discover the top 6 airlines that operate flights from San Antonio to Baltimore. 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$96Average$158FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$107Average$228FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$215Average$395FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$399FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$239Average$379FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$278Average$499FlexibilityNo cancel feeOn-time63%

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