HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Baltimore

$51+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — BWI
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Antonio to Baltimore with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from San Antonio to Baltimore/Washington are usually found in January or July, booked 78 days in advance, depart on a Friday or Thursday and return on a Thursday

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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$138
(Gotogate)

One-way from

$51
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$415
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. 3% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

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 February 20, 2025.

This Gotogate deal was found by Cheapflights users on 2/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1212:21 pmSAT - BWI
1 stop7h 45mFrontier
Sun 4/275:08 pmBWI - SAT
1 stop26h 51mFrontier
Deal found 2/20$138
This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
Wed 4/3010:51 amSAT - BWI
1 stop10h 59mSpirit Airlines
Tue 5/139:00 amBWI - SAT
1 stop9h 18mSpirit Airlines
Deal found 2/19$149
This FlightHub deal was found by Cheapflights users on 2/19. 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.
Sun 4/2710:51 amSAT - BWI
1 stop13h 05mMultiple Airlines
Sat 5/39:21 pmBWI - SAT
1 stop13h 31mMultiple Airlines
Deal found 2/19$156
This Southwest deal was found by Cheapflights users on 2/19. 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.
Thu 4/175:20 amSAT - BWI
Nonstop3h 20mSouthwest
Mon 4/215:10 pmBWI - SAT
1 stop6h 55mSouthwest
Deal found 2/19$337
This Mytrip deal was found by Cheapflights users on 2/19. 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.
Thu 7/36:20 pmSAT - BWI
1 stop16h 03mSun Country Air
Sat 7/512:25 pmBWI - SAT
1 stop22h 22mSun Country Air
Deal found 2/19$353

Find flights from San Antonio to Baltimore within your budget

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 February 20, 2025.

Fly from

San Antonio

Fly to

Baltimore

Route

Depart

Return

Price

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Sat 4/12

12:21 pm-9:06 pm

1 stop7h 45m

Baltimore/Washington

Sun 4/27

5:08 pm-6:59 pm

1 stop26h 51m

$138

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Wed 4/30

10:51 am-10:50 pm

1 stop10h 59m

Baltimore/Washington

Tue 5/13

9:00 am-5:18 pm

1 stop9h 18m

$149

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Sun 4/27

10:51 am-12:56 am

1 stop13h 05m

Baltimore/Washington

Sat 5/3

9:21 pm-9:52 am

1 stop13h 31m

$156

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Thu 4/17

5:20 am-9:40 am

Nonstop3h 20m

Baltimore/Washington

Mon 4/21

5:10 pm-11:05 pm

1 stop6h 55m

$337

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Wed 4/23

10:51 am-10:50 pm

1 stop10h 59m

$51

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Sat 4/12

12:21 pm-9:06 pm

1 stop7h 45m

$55

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Sat 3/29

6:56 am-2:23 pm

1 stop6h 27m

$80

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Tue 4/1

6:05 am-10:10 am

Nonstop3h 05m

$169

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Thu 3/20

5:30 am-4:43 pm

2 stops10h 13m

$239

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Sun 4/6

7:00 am-1:05 pm

1 stop5h 05m

$370

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
CheapfaremartPrice Accuracy-Trust 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 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.

Travel insights for flights from San Antonio to Baltimore

Get recent, data-driven insights about flights from San Antonio to Baltimore including ideal travel times, pricing trends, and more.

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 February 14, 2025.

Booking 77 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 February 20, 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 57% on your trip compared to booking a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from San Antonio to Baltimore. Price data was last updated on February 16, 2025.

Travelers seeking maximum savings on their San Antonio to Baltimore flight should consider departing on Thursday evenings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Baltimore by month

Plan your trip to Baltimore by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Baltimore ranges from 2.9 - 4.1 inches per month. July is typically the wettest month, when rainfall can reach 4.1 in. February is typically the driest time to visit Baltimore when rainfall is around 2.9 in.

Temperature in Baltimore by month

Plan your trip to Baltimore by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Baltimore, 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 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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 February 20, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta and United Airlines from San Antonio to Baltimore to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Justin,May 2024

AUS - SAN

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Justin,May 2024

AUS - SAN

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Delta
8.0
Very good
8,219 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Justin,May 2024

AUS - SAN

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

United Airlines
7.4
Good
8,765 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Justin,May 2024

AUS - SAN

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Justin,May 2024

AUS - SAN

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Spirit Airlines
6.3
Okay
8,013 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Justin,May 2024

AUS - SAN

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

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 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?

    This flight path from San Antonio to Baltimore/Washington was viewed by 9 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 $138, 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 Southwest - these airlines can fly you to your destination from $149 and $337, respectively. Frontier is 66% 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?

    $51 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 American Airlines, with prices starting from $55 and $80, respectively.

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

    On average you can expect to pay $378 for a flight from San Antonio to Baltimore. The cheapest flight overall is $165 while the most popular route, (San Antonio - Baltimore/Washington) is currently priced at $146.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Antonio to Baltimore

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Dulles Intl flights
Dallas/Fort Worth to Baltimore flights
Hobby to Baltimore flights
Dallas/Fort Worth to Reagan-National flights
Hobby to Dulles Intl flights
Hobby to Reagan-National flights
George Bush Intcntl to Dulles Intl flights
George Bush Intcntl to Baltimore flights
Dallas/Fort Worth to Philadelphia flights
Austin to Dulles Intl flights
George Bush Intcntl to Reagan-National flights
Hobby to Philadelphia flights
Austin to Reagan-National flights
George Bush Intcntl to Philadelphia flights
Austin to Baltimore flights
San Antonio to Dulles Intl flights
Love Field to Dulles Intl flights
Austin to Philadelphia flights
Love Field to Baltimore flights
Love Field to Reagan-National flights
Love Field to Philadelphia flights
San Antonio to Reagan-National flights
San Antonio to Philadelphia flights
El Paso to Dulles Intl flights
El Paso to Reagan-National flights
El Paso to Baltimore flights
McAllen to Baltimore flights
McAllen to Dulles Intl flights
McAllen to Reagan-National flights
El Paso to Philadelphia flights
Amarillo to Philadelphia flights
Lubbock to Dulles Intl flights
Brownsville to Dulles Intl flights
Corpus Christi to Philadelphia flights
Brownsville to Reagan-National flights
Harlingen to Dulles Intl flights
Harlingen to Baltimore flights
Lubbock to Reagan-National flights
Corpus Christi to Dulles Intl flights
Harlingen to Reagan-National flights
Corpus Christi to Reagan-National flights
Lubbock to Baltimore flights
Corpus Christi to Baltimore flights
McAllen to Philadelphia flights
Amarillo to Dulles Intl flights
Amarillo to Reagan-National flights
Brownsville to Baltimore flights
Tyler to Baltimore flights
Killeen to Dulles Intl flights

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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$143Average$227FlexibilityNo cancel feeOn-time65%
DeltaCheapest$242Average$469FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$249Average$436FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$290Average$417FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$314Average$506FlexibilityNo cancel feeOn-time63%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.