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$58+ 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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BWI
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Cheapflights Tip: The best prices from San Antonio to Baltimore/Washington are usually found in August or February, booked 71 days in advance, depart on a Thursday or Tuesday and return on a Friday

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 October 28, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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.
Tue 11/1810:58 amSAT - BWI
1 stop10h 47mSpirit Airlines
Thu 11/207:30 amBWI - SAT
1 stop13h 08mSpirit Airlines
Deal found 10/28$138
This Mytrip deal was found by Cheapflights users on 10/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/175:35 pmSAT - BWI
1 stop5h 38mMultiple Airlines
Thu 11/2010:41 amBWI - SAT
1 stop9h 57mMultiple Airlines
Deal found 10/28$140
This Priceline deal was found by Cheapflights users on 10/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/105:35 pmSAT - BWI
1 stop5h 38mMultiple Airlines
Fri 11/146:00 amBWI - SAT
1 stop9h 28mMultiple Airlines
Deal found 10/26$150
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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.
Tue 11/1810:58 amSAT - BWI
1 stop10h 47mSpirit Airlines
Tue 11/257:30 amBWI - SAT
1 stop9h 29mSpirit Airlines
Deal found 10/28$160
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/147:37 pmSAT - BWI
2 stops18h 58mMultiple Airlines
Mon 11/174:52 pmBWI - SAT
1 stop18h 11mMultiple Airlines
Deal found 10/27$162
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/257:11 pmSAT - BWI
1 stop12h 12mMultiple Airlines
Tue 12/210:41 amBWI - SAT
1 stop6h 18mMultiple Airlines
Deal found 10/28$167
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1810:58 amSAT - BWI
1 stop10h 47mMultiple Airlines
Sat 11/227:09 pmBWI - SAT
2 stops24h 35mMultiple Airlines
Deal found 10/28$170
This Priceline deal was found by Cheapflights users on 10/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/75:35 pmSAT - BWI
1 stop5h 38mMultiple Airlines
Mon 11/1011:43 amBWI - SAT
1 stop7h 49mMultiple Airlines
Deal found 10/27$171
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/147:37 pmSAT - BWI
1 stop19h 10mSpirit Airlines
Mon 11/174:52 pmBWI - SAT
1 stop18h 11mSpirit Airlines
Deal found 10/26$173

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 October 28, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$138
(Cheapflightsfares)

One-way from

$58
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$379
Provider with most accurate pricing for San Antonio-Baltimore/Washington flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Antonio-Baltimore/Washington flights.
Search Deals
From San Antonio to Baltimore/Washington
Search Deals
One-way flight from San Antonio to Baltimore/Washington
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 28, 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

Fri 11/14

7:37 pm-3:47 pm

1 stop19h 10m

Baltimore/Washington

Mon 11/17

4:52 pm-10:03 am

1 stop18h 11m

$180

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Tue 11/18

7:37 pm-12:55 pm

2 stops16h 18m

Baltimore/Washington

Sat 11/22

6:29 pm-7:38 pm

2 stops26h 09m

$230

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Wed 11/12

10:58 am-10:45 pm

1 stop10h 47m

Baltimore/Washington

Fri 11/14

6:00 am-2:28 pm

1 stop9h 28m

$251

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Fri 11/14

7:37 pm-3:50 pm

2 stops19h 13m

Baltimore/Washington

Fri 11/21

5:35 am-7:21 pm

2 stops14h 46m

$266

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Fri 11/14

7:37 pm-5:19 pm

2 stops20h 42m

Baltimore/Washington

Sun 11/16

6:20 am-6:32 pm

1 stop13h 12m

$271

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Fri 11/7

7:37 pm-8:31 pm

2 stops23h 54m

Baltimore/Washington

Wed 11/12

6:20 am-2:28 pm

3 stops33h 08m

$313

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Wed 11/26

8:33 pm-1:21 pm

1 stop15h 48m

Baltimore/Washington

Sun 11/30

8:45 pm-4:08 pm

2 stops20h 23m

$330

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Fri 11/7

3:23 pm-10:45 pm

1 stop6h 22m

Baltimore/Washington

Sun 11/9

6:20 am-6:32 pm

1 stop13h 12m

$348

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Wed 12/10

7:00 am-1:50 pm

1 stop5h 50m

Baltimore/Washington

Wed 12/17

3:56 pm-9:32 pm

1 stop6h 36m

$383

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Fri 2/13

3:02 pm-10:21 am

1 stop18h 19m

Baltimore/Washington

Mon 2/16

3:31 pm-10:27 pm

1 stop7h 56m

$387

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 24 results
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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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*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 CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on San Antonio-Baltimore flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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?

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 October 24, 2025.

Booking 71 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, April is the cheapest month in which you can book a flight from San Antonio to Baltimore (average of $82). Flying from San Antonio to Baltimore in March is currently the most expensive (average of $170). 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 October 28, 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 59% on your trip compared to booking a flight in the afternoon.

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

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 October 28, 2025.
Read through reviews of airlines operating flights from San Antonio to Baltimore, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,240 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Overall

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
4,240 reviews
Southwest
8.0
Very good
4,240 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Overall

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
7.9
Good
7,994 reviews
Southwest
8.0
Very good
4,240 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Overall

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.
United Airlines
7.4
Good
9,001 reviews
Southwest
8.0
Very good
4,240 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Overall

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.
American Airlines
7.2
Good
11,032 reviews
Southwest
8.0
Very good
4,240 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Overall

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
8,116 reviews
Southwest
8.0
Very good
4,240 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Overall

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 is 1 flight 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 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?

    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.

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

    There are many flights that can get you from San Antonio to Baltimore in 19h 10m. Fly via Spirit Airlines to get the fastest option. The distance between San Antonio and Baltimore is about 1405 mi.

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

    Currently priced at $78, 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 Spirit Airlines and American Airlines - these airlines can fly you to your destination from $107 and $215, respectively. Frontier is 80% cheaper than the average price of flights available within the next 90 days to this destination.

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

    On average you can expect to pay $380 for a flight from San Antonio to Baltimore. The cheapest flight overall is $158 while the most popular route, (San Antonio - Baltimore/Washington) is currently priced at $162.

  • 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, April is the cheapest month in which you can book a flight from San Antonio to Baltimore (average of $82). Flying from San Antonio to Baltimore in March is currently the most expensive (average of $170). 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.
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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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$78Average$216FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$107Average$237FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$215Average$430FlexibilityNo cancel feeOn-time71%
DeltaCheapest$220Average$377FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$249Average$405FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$291Average$501FlexibilityNo cancel feeOn-time63%

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