SAT - BWI

$119 Find Cheap Flights from San Antonio to Baltimore - Compare and Save

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Everything you should know

Cheapest round-trip
$160
Typical prices: $407-$572
Frontier
Fri 10/19Sat 10/20
SAT - BWI • 1 stop
Cheapest non-stop
$317
Typical prices: $467-$579
Southwest
Wed 10/24Sat 10/27
SAT - BWI • Non-stop
Nonstop flights
Every day
You can fly direct with Southwest. Average duration is 3h 16m
Direct flights
+1
Direct flights
+1
When to book
14 weeks
in advance
Our data shows that travelers who book at least 14 weeks in advance save around 46% compared to booking last minute.
Insights
Insights
When to travel
October
Cheapest • 22% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Orlando (MCO)
Cheapest • Avg $342 (round-trip)
Dallas Love Field (DAL)
Shortest trip • 5h 04m (one-way)
Insights
Insights
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Expert advice
Flight Deals

Cheap Flights from San Antonio to Baltimore (SAT-BWI)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Antonio to Baltimore

Mon, Oct 19 - Tue, Oct 20
Frontier Logo
10:03 am - 8:57 pmSAT  San Antonio-BWI Baltimore/Washington
9h 54m1 stop Orlando
Frontier Logo
7:05 pm - 9:08 amBWI  Baltimore/Washington-SAT San Antonio
15h 03m1 stop Orlando
$160Frontier
Mon, Oct 19 - Tue, Oct 20
Frontier Logo
10:03 am - 8:57 pmSAT  San Antonio-BWI Baltimore/Washington
9h 54m1 stop Orlando
Frontier Logo
7:05 pm - 9:08 amBWI  Baltimore/Washington-SAT San Antonio
15h 03m1 stop Orlando
$174Frontier
Mon, Oct 19 - Tue, Oct 20
Multiple Airlines Logo
12:38 pm - 8:20 amSAT  San Antonio-BWI Baltimore/Washington
18h 42m2 stops Memphis Orlando
Multiple Airlines Logo
7:05 pm - 9:08 amBWI  Baltimore/Washington-SAT San Antonio
15h 03m1 stop Orlando
$301Multiple Airlines
Sun, Oct 18 - Tue, Oct 20
Multiple Airlines Logo
9:25 am - 8:20 amSAT  San Antonio-BWI Baltimore/Washington
21h 55m2 stops Raleigh-Durham Orlando
Multiple Airlines Logo
3:15 pm - 9:08 amBWI  Baltimore/Washington-SAT San Antonio
18h 53m1 stop Orlando
$310Multiple Airlines
Sat, Oct 24 - Tue, Oct 27
Southwest Logo
2:40 pm - 7:15 pmSAT  San Antonio-BWI Baltimore/Washington
3h 35mnonstop
Southwest Logo
6:30 pm - 9:15 pmBWI  Baltimore/Washington-SAT San Antonio
3h 45mnonstop
$317Southwest
Mon, Nov 9 - Mon, Nov 9
Southwest Logo
5:15 am - 9:25 amSAT  San Antonio-BWI Baltimore/Washington
3h 10mnonstop
Southwest Logo
8:00 pm - 10:50 pmBWI  Baltimore/Washington-SAT San Antonio
3h 50mnonstop
$317Southwest
Thu, Oct 1 - Tue, Oct 6
Delta Logo
5:15 am - 11:45 amSAT  San Antonio-BWI Baltimore/Washington
5h 30m1 stop Detroit Metropolitan Wayne County
Delta Logo
10:21 am - 5:14 pmBWI  Baltimore/Washington-SAT San Antonio
7h 53m1 stop Atlanta Hartsfield-Jackson
$337Delta
Mon, Nov 23 - Thu, Dec 3
Delta Logo
4:00 pm - 11:27 pmSAT  San Antonio-BWI Baltimore/Washington
6h 27m1 stop Detroit Metropolitan Wayne County
Delta Logo
10:24 am - 5:32 pmBWI  Baltimore/Washington-SAT San Antonio
8h 08m1 stop Atlanta Hartsfield-Jackson
$337Delta
Sat, Oct 10 - Tue, Oct 13
American Airlines Logo
4:28 pm - 10:54 pmSAT  San Antonio-BWI Baltimore/Washington
5h 26m1 stop Dallas/Fort Worth
American Airlines Logo
7:14 pm - 11:59 pmBWI  Baltimore/Washington-SAT San Antonio
5h 45m1 stop Dallas/Fort Worth
$337American Airlines
Mon, Oct 5 - Wed, Oct 7
American Airlines Logo
4:28 pm - 10:54 pmSAT  San Antonio-BWI Baltimore/Washington
5h 26m1 stop Dallas/Fort Worth
American Airlines Logo
5:48 pm - 10:56 pmBWI  Baltimore/Washington-SAT San Antonio
6h 08m1 stop Charlotte Douglas
$337American Airlines
Booking Insights

Price, demand and travel trends for San Antonio to Baltimore flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from San Antonio to Baltimore with more confidence.

How much is a round-trip flight from San Antonio to Baltimore?

Round-trip flights from San Antonio to Baltimore start at $160. Prices are below average for this route right now, with typical round-trip fares ranging from $407 to $572. The lowest price found in the past 5 days was $160 on Frontier.

What's the cheapest day of the week to fly from San Antonio to Baltimore?

Wednesday is the cheapest day of the week to fly from San Antonio to Baltimore, it is 12% cheaper than the average day. Sunday is the most expensive day with flight prices 6% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • October is the cheapest month to fly from San Antonio to Baltimore at $379 round-trip.
  • June ($575) and August ($521) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 51% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from San Antonio to Baltimore the cheapest?

Flights from San Antonio to Baltimore are cheapest 14 weeks before departure. Booking in this window typically costs about 46% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Expert advice

Expert advice for your flight from San Antonio to Baltimore

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Blane Bachelor

Blane Bachelor

Expert on Southwest

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more
Harriet Baskas

Harriet Baskas

Expert on BWI

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Brandon Schultz

Brandon Schultz

Expert on SAT

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more

Key details for San Antonio to Baltimore flights

Low season

July

Cheapest flight

$119
Best time to beat the crowds but there is an average 5% increase in price.
Most popular time to fly with an average 5% increase in price.
Flight from San Antonio to Baltimore

When to book flights from San Antonio to Baltimore

Are your dates flexible? Find out the best times to travel from San Antonio to Baltimore based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your San Antonio to Baltimore flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • If you plan to bring your pet on your trip from San Antonio to Baltimore, American Airlines is a suitable choice. They allow cats and dogs to accompany passengers on their flights, as long as the combined weight of the pet and carrier does not exceed 20 lb. Additionally, the carrier dimensions should not exceed 19 x 13 x 9 inches. By adhering to these guidelines, you can ensure a smooth and comfortable journey for both you and your furry friend.

    What carry-on bags can I bring on my flight from San Antonio to Baltimore?

  • Delta Air Lines has the most favorable carry-on bag policies for flights between San Antonio and Baltimore. Passengers are permitted to bring one personal item and one carry-on bag at no additional cost. Personal items must be within the dimensions of 18 x 14 x 8 inches. Carry-on bags must not exceed 22 x 14 x 9 inches and should weigh no more than 22 lb. These generous allowances ensure travelers can conveniently bring their essentials on board without any extra charges.

    Which airline offers family-friendly services from San Antonio to Baltimore?

  • American Airlines offers family-friendly services on San Antonio-to-Baltimore flights. The airline provides a variety of family-friendly services and amenities, such as discounted fares for children, spacious accommodations with extra legroom, and in-flight entertainment featuring music, games, and cartoon movies. American Airlines also provides special kid's menus with special dishes for children.

    Which airlines offer accessible services from San Antonio to Baltimore?

  • Several airlines provide accessible services for travelers flying from San Antonio to Baltimore. One such airline is American Airlines, which provides accessible services for passengers with limited mobility. They offer priority boarding, accessible lavatories on their aircraft, wheelchair assistance, accessible seating, and friendly staff to help passengers with special needs.

    What are the transport options from Baltimore/Washington International Airport to downtown?

  • Which airlines offer extra legroom and free seat selection on San Antonio to Baltimore flights?

    Among airlines operating San Antonio to Baltimore flights:

    • Southwest: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from San Antonio to Baltimore?

    Only Southwest operates flights between San Antonio and Baltimore.

  • Which airports can I use when flying from San Antonio to Baltimore?

    Flights from San Antonio to Baltimore usually depart from San Antonio (SAT) and arrive at Baltimore/Washington (BWI).

  • Which airlines include bags at no extra cost on San Antonio to Baltimore flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Southwest: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from San Antonio to Baltimore?

    Two cabin classes are available on flights from San Antonio to Baltimore:

    • Economy Class
    • First Class

  • How much can I save by taking a layover when flying from San Antonio to Baltimore?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $342 round-trip via Orlando (MCO), compared to $513 for nonstop.

  • What is the standard checked-bag allowance on flights from San Antonio to Baltimore?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $45–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from San Antonio to Baltimore?

    The Boeing 737 MAX 8 family is used most often on this route, operated mainly by Southwest and United Airlines. Other aircraft seen on the route include Boeing 737-800 Passenger/BBJ2 (winglets) variants.

  • Which airports do connecting flights from San Antonio to Baltimore pass through?

    One-stop flights from San Antonio to Baltimore most commonly connect through:

    • Atlanta Hartsfield-Jackson (ATL) - 43% of one-stop connections
    • Houston George Bush Intcntl (IAH) - 27% of one-stop connections
    • Dallas/Fort Worth (DFW) - 10% of one-stop connections
    • Orlando (MCO) - 10% of one-stop connections

    Atlanta Hartsfield-Jackson (ATL) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from San Antonio to Baltimore?

    Yes. Being flexible with your travel dates can save you up to 18% on the San Antonio to Baltimore route. Wednesday is the cheapest departure day at $430 round-trip on average, while Sunday is the most expensive at $519, a difference of $89. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How are flight departures from San Antonio to Baltimore spread across the day?

    Morning is the busiest departure period on San Antonio to Baltimore flights, with 50% of flights leaving in that window. Afternoon departures account for 50%, evening flights for 0%, and night flights for 0%.

  • What popular places can I visit in Baltimore?

    Some of the most popular sights in Baltimore are Inner Harbor, M&T Bank Stadium and Oriole Park At Camden Yards. These are among the most viewed places in Baltimore on KAYAK.

  • What are the earliest and latest flights from San Antonio to Baltimore?

    These are the earliest and latest flight times available from San Antonio to Baltimore:

    • Earliest: departs at 5:00 am and lands at 8:16 am
    • Latest: departs at 6:05 pm and lands at 9:21 pm.

    The flight takes about 3h 16m.

  • How expensive are last-minute San Antonio to Baltimore flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 14% above the route average of $487. Book 14 weeks before departure for the lowest fares.

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

    A nonstop flight from San Antonio to Baltimore takes 3h 16m, covering 1,405 miles.

  • Do I need a passport to fly from San Antonio to Baltimore?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from San Antonio to Baltimore changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $160 to $1,525. That means the highest observed fare was about 10x higher than the lowest one.

  • How are flight prices from San Antonio to Baltimore looking right now?

    One-way fares from San Antonio to Baltimore are currently lower than usual. Average one-way flight prices are about $156, which is 39% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from San Antonio to Baltimore?

    Flying via Dallas Love Field (DAL) gives the shortest average 1-stop total travel time at 5h 04m, compared with 5h 42m via Charlotte Douglas (CLT) and 5h 48m via Houston George Bush Intcntl (IAH).

  • What is the time difference between San Antonio and Baltimore?

    Baltimore is 1 hour ahead of San Antonio (Eastern Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Baltimore/Washington Airport (BWI)?

    Baltimore/Washington Airport (BWI) hosts 5 major car rental companies, with daily rates starting from around $25 for economy cars. Top options include:
    · NextCar
    · Hertz
    · Dollar
    · Thrifty
    · Budget

  • How much should I expect to pay for a San Antonio to Baltimore flight?

    Round-trip flights from San Antonio to Baltimore range from $407 to $572, with an average of $487 over the past 12 months. Anything below $407 counts as a good deal.

Your guide to booking San Antonio to Baltimore flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Sunday. On this route, Wednesday flights average $430 - about $89 less than Sunday (17% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 14 weeks before you fly. On this route, that window historically saves about 46% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your San Antonio to Baltimore trip for October. Fares historically average $379 round-trip in that month - typically $196 less than the most expensive month, which is June (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Orlando Airport (MCO) can be cheaper than flying direct. The cheapest layover option averages $342 round-trip on this route - about $171 less than direct flights (based on the last 12 months).
  • Consider booking American Airlines if you want to fly with a pet from Johannesburg to New York. This airline offers flights with some of the most pet-friendly policies. The airline allows small dogs and cats to travel in the cabin. The pet should be secured in a soft-sided kennel of 19 x 13 x 9 inches or a hard-sided kennel of 18 x 11 x 11 inches. The pet should be small enough such that it can freely stand or turn around in the kennel.
  • If you'd like a convenient way to reach San Antonio International Airport (SAT) from downtown San Antonio, utilize the VIA Metropolitan Transit system. From downtown, you can catch a VIA bus from one of the designated stops along Route 5 Airport/Quarry Market that connects the downtown area to the airport. The journey takes around 30 minutes.
  • San Antonio International Airport (SAT) is an operating base for Delta Air Lines, American Airlines, and Frontier Airlines. If you are traveling with Delta or Frontier Airlines from San Antonio to Baltimore, you will depart from Terminal A. However, if you're traveling with American Airlines, You'll depart from Terminal B.
  • Common layover cities for flights from San Antonio International Airport (SAT) to Baltimore/Washington International Airport (BWI) include Fort Lauderdale (FLL), Denver (DEN), Atlanta (ATL), Charlotte (CLT), Dallas-Fort Worth (DFW), and Houston (IAH). These stopover cities will be determined by the route or airline you board.
  • Unaccompanied Minors flying from San Antonio to Baltimore should be booked on American Airlines. The airline welcomes unaccompanied minors between the ages of 5 and 14 at SAT. The airline's attentive staff provides devoted assistance, including personalized check-in procedures, escorting the child through security and boarding, and monitoring them throughout the flight. Parents need to provide the airline staff with ticket and reservation details, identification documents, consent and contact information, and emergency contact information.

Prefer to fly direct from San Antonio to Baltimore?

 
Find which airlines fly direct from San Antonio Airport to Baltimore/Washington Airport, which days they fly and book direct flights.

Direct departures

San Antonio to Baltimore/Washington

Monday

Southwest

Southwest

Tuesday

Southwest

Southwest

Wednesday

Southwest

Southwest

Thursday

Southwest

Southwest

Friday

Southwest

Southwest

Saturday

Southwest

Southwest

Sunday

Southwest

Southwest

See more direct flights

Direct returns

Baltimore/Washington to San Antonio

Monday

Southwest

Southwest

Tuesday

Southwest

Southwest

Wednesday

Southwest

Southwest

Thursday

Southwest

Southwest

Friday

Southwest

Southwest

Saturday

Southwest

Southwest

Sunday

Southwest

Southwest

See more direct flights

More options for your flight from San Antonio to Baltimore

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