Baltimore

$120+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BWI
Aug 26 — Sep 21
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Cheapflights Tip: The best prices from San Antonio to Baltimore/Washington are usually found in August or November, booked 20 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

Cheap 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 27, 2026.

This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2310:34 am
SAT
-
BWI
1 stop6h 58m
Frontier
Sun 10/259:52 pm
BWI
-
SAT
1 stop12h 47m
Frontier
Deal found 7/26$240
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/289:51 am
SAT
-
BWI
1 stop13h 08m
Frontier
Sun 8/307:52 pm
BWI
-
SAT
1 stop14h 04m
Frontier
Deal found 7/26$251
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/299:51 am
SAT
-
BWI
1 stop11h 07m
Frontier
Thu 9/36:24 am
BWI
-
SAT
1 stop27h 32m
Frontier
Deal found 7/26$273
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/49:51 am
SAT
-
BWI
1 stop23h 33m
Frontier
Sun 9/67:52 pm
BWI
-
SAT
1 stop14h 04m
Frontier
Deal found 7/26$275
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/149:51 am
SAT
-
BWI
1 stop13h 08m
Frontier
Sun 8/169:28 pm
BWI
-
SAT
1 stop12h 28m
Frontier
Deal found 7/26$292
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/242:55 pm
SAT
-
BWI
Nonstop3h 20m
Southwest
Mon 8/313:45 pm
BWI
-
SAT
Nonstop3h 25m
Southwest
Deal found 7/27$297
This Southwest deal was found by Cheapflights users on 7/24. 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 9/2311:40 am
SAT
-
BWI
1 stop6h 00m
Southwest
Tue 9/298:25 am
BWI
-
SAT
Nonstop3h 35m
Southwest
Deal found 7/24$307
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:00 am
SAT
-
BWI
2 stops6h 55m
Southwest
Tue 10/206:30 pm
BWI
-
SAT
Nonstop3h 40m
Southwest
Deal found 7/26$312
This CheapOair deal was found by Cheapflights users on 7/25. 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.
Fri 8/149:51 am
SAT
-
BWI
1 stop22h 03m
Frontier
Sun 8/236:24 am
BWI
-
SAT
1 stop27h 32m
Frontier
Deal found 7/25$316
This Delta deal was found by Cheapflights users on 7/25. 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.
Thu 9/37:55 am
SAT
-
BWI
1 stop6h 51m
Delta
Mon 9/76:00 am
BWI
-
SAT
1 stop6h 10m
Delta
Deal found 7/25$317

Find 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 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$240
(Frontier)

One-way from

$120
(Frontier)

Popular in

May

Cheapest in

August

Average price

$511
Provider with most accurate pricing for San Antonio-Baltimore/Washington flight deals.
Provider most trusted by Cheapflights users for San Antonio-Baltimore/Washington flights.
From San Antonio to Baltimore/Washington
One-way flight from San Antonio to Baltimore/Washington
Highest demand for flights based on searches. 9% potential increase in price ($51 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in July 2026

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 27, 2026.
Use the filters below to find and compare flights from San Antonio to Baltimore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Mon 8/24

2:55 pm-7:15 pm

Nonstop3h 20m

Baltimore/Washington

Mon 8/31

3:45 pm-6:10 pm

Nonstop3h 25m

$297

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Fri 8/21

11:50 am-4:10 pm

Nonstop3h 20m

Baltimore/Washington

Sat 8/29

2:15 pm-4:45 pm

Nonstop3h 30m

$346

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Fri 10/30

5:25 am-1:25 pm

2 stops7h 00m

Baltimore/Washington

Sat 10/31

6:05 am-1:10 pm

1 stop8h 05m

$347

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Fri 9/25

2:55 pm-7:15 pm

Nonstop3h 20m

Baltimore/Washington

Sat 9/26

10:15 am-6:10 pm

1 stop8h 55m

$356

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Thu 10/15

1:55 pm-9:20 pm

1 stop6h 25m

Baltimore/Washington

Sun 10/18

6:05 am-11:30 am

1 stop6h 25m

$366

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Thu 10/8

6:20 pm-12:51 am

1 stop5h 31m

Baltimore/Washington

Mon 10/12

6:32 pm-12:33 am

1 stop7h 01m

$388

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Thu 9/3

2:55 pm-7:15 pm

Nonstop3h 20m

Baltimore/Washington

Mon 9/7

10:00 am-12:25 pm

Nonstop3h 25m

$402

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Wed 12/23

12:40 pm-4:50 pm

Nonstop3h 10m

Baltimore/Washington

Wed 12/30

7:15 am-11:40 am

1 stop5h 25m

$463

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Fri 9/11

11:50 am-4:10 pm

Nonstop3h 20m

Baltimore/Washington

Sun 9/13

7:05 pm-9:45 pm

Nonstop3h 40m

$466

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Fri 8/14

5:35 am-11:20 am

1 stop4h 45m

Baltimore/Washington

Mon 8/24

6:55 pm-9:30 pm

Nonstop3h 35m

$469

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/25

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from San Antonio to Baltimore

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 San Antonio to Baltimore in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
Super.comPrice Accuracy-Trust Score*3 stars
Trip.comPrice Accuracy1 starTrust 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 San Antonio-Baltimore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-Baltimore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Antonio-Baltimore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Antonio-Baltimore 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 San Antonio-Baltimore 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 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?

Booking 19 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 $389). Flying from San Antonio to Baltimore in May is currently the most expensive (average of $556). 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 27, 2026.

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 56% on your trip compared to booking a flight in the morning.

How much does it cost to fly round-trip from San Antonio to Baltimore?

Airfare is below average for this route at the moment.

San Antonio to Baltimore flights typically cost between $297 and $541 in October.
The cheapest round-trip price found within the last 5 days was $240 on Frontier (Oct 23-Oct 25).

The best insider tips for San Antonio to Baltimore 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 San Antonio to Baltimore trip
Our travel experts
Emily Zemler

Emily Zemler

Expert on BWI

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.

Ramsey Qubein

Ramsey Qubein

Expert on SAT

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.

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 27, 2026.
Read through reviews of airlines operating flights from San Antonio to Baltimore, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Food

7.0

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Joseph,Sep 2023

LAX - BWI

The plane departure and arrival were on time. The crew was entertaining and professional at the same time. Baggage claim was efficient. Glad I flew on Southwest airlines.

Food

7.0

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Joseph,Sep 2023

LAX - BWI

The plane departure and arrival were on time. The crew was entertaining and professional at the same time. Baggage claim was efficient. Glad I flew on Southwest airlines.

Food

7.0

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Joseph,Sep 2023

LAX - BWI

The plane departure and arrival were on time. The crew was entertaining and professional at the same time. Baggage claim was efficient. Glad I flew on Southwest airlines.

Food

7.0

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Joseph,Sep 2023

LAX - BWI

The plane departure and arrival were on time. The crew was entertaining and professional at the same time. Baggage claim was efficient. Glad I flew on Southwest airlines.

Food

7.0

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Joseph,Sep 2023

LAX - BWI

The plane departure and arrival were on time. The crew was entertaining and professional at the same time. Baggage claim was efficient. Glad I flew on Southwest airlines.

Food

7.0

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Joseph,Sep 2023

LAX - BWI

The plane departure and arrival were on time. The crew was entertaining and professional at the same time. Baggage claim was efficient. Glad I flew on Southwest airlines.

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 5 different airlines, which means you should have some options if you want to compare airfare deals. 3h 05m is how long a nonstop flight from San Antonio to Baltimore/Washington typically takes.

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

  • How long is the flight from San Antonio to Baltimore?

    There are many flights that can get you from San Antonio to Baltimore in 3h 20m. Fly via Southwest to get the fastest option. The distance between San Antonio and Baltimore is about 1405 mi. Generally, flights for this route are nonstop.

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

    Currently priced at $72, Frontier will fly you from San Antonio to Baltimore and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $210 and $249, respectively. Frontier is 84% 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?

    $73 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $148 and $158, respectively.

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

    On average you can expect to pay $333 for a flight from San Antonio to Baltimore. The cheapest flight overall is $150 while the most popular route, (San Antonio - Baltimore/Washington) is currently priced at $264.

  • 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 $389). Flying from San Antonio to Baltimore in May is currently the most expensive (average of $556). 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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Alternative routes for San Antonio to Baltimore

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

Top 5 airlines flying from San Antonio to Baltimore

Discover the top 5 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 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$72Average$203FlexibilityNo cancel feeOn-time62%
DeltaCheapest$210Average$382FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$249Average$491FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$283Average$450FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$357Average$515FlexibilityNo cancel feeOn-time63%

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