SAT - BWI

$117 Find Cheap Flights from San Antonio to Baltimore - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Antonio to Baltimore departing on 9/2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$240
Typical prices: $355-$517
Frontier
Fri 10/23Sun 10/25
SAT - BWI • 1 stop
Cheapest non-stop
$278
Typical prices: $408-$496
Southwest
Fri 9/11Sat 9/19
SAT - BWI • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts. AI can make mistakes.
Southwest redeye flights add a late-night option from San Antonio to Baltimore.
Southwest includes free snacks and drinks on board for extra value.
Expert advice
Expert advice
Expert advice
Expert advice
Nonstop flights
Every day
You can fly direct with Southwest. Average duration is 3h 20m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
Top layover airports
Orlando (MCO)
Cheapest • Avg $299 (round-trip)
Dallas (DAL)
Shortest trip • 4h 50m (one-way)
Insights
Insights
Insights
Insights
When to book
5 weeks
in advance
Our data shows that travelers who book at least 5 weeks in advance save around 13% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
November
Cheapest • 18% price drop
December
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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Flight Deals
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Flight Deals

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Antonio to Baltimore that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Antonio to Baltimore

Fri, Oct 23 - Sun, Oct 25
Frontier Logo
10:34 am - 8:57 pmSAT  San Antonio-BWI Baltimore/Washington
9h 23m1 stop Orlando
Frontier Logo
9:52 pm - 9:39 amBWI  Baltimore/Washington-SAT San Antonio
12h 47m1 stop Orlando
$240Frontier
Mon, Aug 31 - Thu, Sep 17
Frontier Logo
9:51 am - 11:59 pmSAT  San Antonio-BWI Baltimore/Washington
13h 08m1 stop Orlando
Frontier Logo
9:32 pm - 9:10 amBWI  Baltimore/Washington-SAT San Antonio
12h 38m1 stop Orlando
$240Frontier
Fri, Sep 11 - Sat, Sep 19
Southwest Logo
2:55 pm - 7:15 pmSAT  San Antonio-BWI Baltimore/Washington
3h 20mnonstop
Southwest Logo
2:15 pm - 4:50 pmBWI  Baltimore/Washington-SAT San Antonio
3h 35mnonstop
$278Southwest
Sat, Oct 24 - Wed, Nov 4
Southwest Logo
2:40 pm - 7:10 pmSAT  San Antonio-BWI Baltimore/Washington
3h 30mnonstop
Southwest Logo
6:25 pm - 9:20 pmBWI  Baltimore/Washington-SAT San Antonio
3h 55mnonstop
$281Southwest
Thu, Sep 17 - Tue, Sep 22
Multiple Airlines Logo
9:25 am - 10:43 pmSAT  San Antonio-BWI Baltimore/Washington
36h 18m2 stops Raleigh-Durham Tampa
Multiple Airlines Logo
3:10 pm - 9:07 amBWI  Baltimore/Washington-SAT San Antonio
18h 57m1 stop Orlando
$301Multiple Airlines
Sat, Sep 5 - Tue, Sep 8
Multiple Airlines Logo
5:38 pm - 10:45 amSAT  San Antonio-BWI Baltimore/Washington
16h 07m2 stops Pensacola Tampa
Multiple Airlines Logo
12:09 pm - 9:07 amBWI  Baltimore/Washington-SAT San Antonio
21h 58m1 stop Orlando
$307Multiple Airlines
Thu, Nov 26 - Thu, Nov 26
Delta Logo
5:30 am - 12:56 pmSAT  San Antonio-BWI Baltimore/Washington
6h 26m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:28 pm - 11:34 pmBWI  Baltimore/Washington-SAT San Antonio
6h 06m1 stop Atlanta Hartsfield-Jackson
$357Delta
Sat, Sep 5 - Fri, Sep 11
Delta Logo
5:15 am - 11:32 amSAT  San Antonio-BWI Baltimore/Washington
5h 17m1 stop Detroit Metropolitan Wayne County
Delta Logo
2:57 pm - 9:22 pmBWI  Baltimore/Washington-SAT San Antonio
7h 25m1 stop Minneapolis St Paul
$357Delta
Mon, Oct 26 - Fri, Oct 30
American Airlines Logo
6:00 pm - 11:59 pmSAT  San Antonio-BWI Baltimore/Washington
4h 59m1 stop Charlotte Douglas
American Airlines Logo
5:48 pm - 10:56 pmBWI  Baltimore/Washington-SAT San Antonio
6h 08m1 stop Charlotte Douglas
$368American Airlines
Mon, Oct 26 - Sat, Oct 31
American Airlines Logo
6:00 pm - 11:59 pmSAT  San Antonio-BWI Baltimore/Washington
4h 59m1 stop Charlotte Douglas
American Airlines Logo
6:20 am - 11:01 amBWI  Baltimore/Washington-SAT San Antonio
5h 41m1 stop Charlotte Douglas
$379American Airlines
Booking Insights

KAYAK's insights & trends for San Antonio to Baltimore flights

Get data-powered insights and trends into flights from San Antonio to Baltimore to help you find the cheapest flights, the best time to fly and much more.

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

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from San Antonio to Baltimore departing in October.

Flight prices are below average for this route right now.

Flights to Baltimore from San Antonio usually cost between $439 and $621 in October.
The lowest price found in the past 5 days was $240 on Frontier (Oct 23-Oct 25).

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

The average price of all round-trip flights from San Antonio to Baltimore clicked on KAYAK for each day over the last 12 months.

For San Antonio to Baltimore, Thursday is the cheapest day to fly on average and Friday is the most expensive. Flying from Baltimore back to San Antonio, the best deals are generally found on Wednesday, with Sunday being the most expensive.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Antonio to Baltimore, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from San Antonio to Baltimore is November, where tickets cost $405 (return) on average. On the other hand, the most expensive months are May and December, where the average cost of round-trip tickets is $556 and $555 respectively.

Can I save money by flying with a layover from San Antonio to Baltimore?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $489, prices are generally cheapest when you fly direct.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from San Antonio to Baltimore, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from San Antonio to Baltimore, you should book around 5 weeks before departure, which saves you about 13% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 18 weeks before departure.

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Expert advice

Expert advice for your flight from San Antonio to Baltimore

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
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

Good to know

Low season

January

Cheapest flight

$117
Best time to beat the crowds with an average 5% drop in price.
Most popular time to fly with an average 12% 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
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from San Antonio to Baltimore

  • 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?

  • What is the cheapest flight from San Antonio to Baltimore?

    In the last 5 days, the lowest price for a flight from San Antonio to Baltimore was $117 for a one-way ticket and $240 for a round-trip.

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

    No

  • Which airports will I be using when flying from San Antonio to Baltimore?

    San Antonio and Baltimore are both served by 1 main airport. You will leave San Antonio from San Antonio and will be arriving at Baltimore/Washington.

  • Which airlines offer Wi-Fi service onboard planes from San Antonio to Baltimore?

    American Airlines, Delta, and JetBlue offer inflight Wi-Fi service on the San Antonio to Baltimore flight route.

  • Which aircraft models fly most regularly from San Antonio to Baltimore?

    The Boeing 737 MAX 8 is the aircraft model that flies most regularly on the San Antonio to Baltimore flight route.

  • Which airline alliances offer flights from San Antonio to Baltimore?

    oneworld, Star Alliance, and SkyTeam are the airline alliances operating flights between San Antonio and Baltimore, with oneworld being the most commonly used for this route.

  • On which days can I fly direct from San Antonio to Baltimore?

    There are nonstop flights from San Antonio to Baltimore on a daily basis.

  • Which is the best airline for flights from San Antonio to Baltimore, Southwest or Delta?

    The two airlines most popular with KAYAK users for flights from San Antonio to Baltimore are Southwest and Delta. With an average price for the route of $517 and an overall rating of 8.0, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $409 and an overall rating of 7.8.

  • How does KAYAK find such low prices on flights from San Antonio to Baltimore?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Antonio to Baltimore.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Antonio to Baltimore?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Baltimore from San Antonio is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Antonio to Baltimore?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Baltimore with an airline and back to San Antonio with another airline. Booking your flights between San Antonio and BWI can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Antonio to Baltimore?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Baltimore from San Antonio up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from San Antonio to Baltimore

  • Looking for a cheap flight? 25% of our users found flights on this route for $173 or less one-way and $356 or less round-trip.
  • 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?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from San Antonio to Baltimore/Washington.
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

Everything you need to know for your flight from San Antonio to Baltimore

Information on your arrival and departure airports

San Antonio (SAT)
Baltimore (BWI)