Cheap flights from San Antonio to Washington, D.C. from $53
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Washington, D.C. departing on 9/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Southwest flights from San Antonio to Baltimore
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Spirit Airlines flights from San Antonio to Baltimore
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How to get the cheapest flight ticket from San Antonio to Baltimore
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Baltimore?
If you’re not able to fly to Baltimore in January, then July is your next best option. Flight prices from San Antonio to Baltimore during July average around $335.
What is the cheapest day to depart on your flight to Baltimore?
The cheapest day to depart from San Antonio to Baltimore is on a Monday. Travelers who choose to depart for Baltimore on a Monday will often find tickets for as low as $421. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $481. These prices are subject to change though, so be sure to set up a Price Alert for flights to Baltimore.
What is the cheapest time of day to depart on your flight to Baltimore?
Flying to Baltimore from San Antonio in the evening is the least expensive time of day to depart. momondo users have found prices as low as $110 when looking at flights departing in the evening. Flights in the afternoon are often more expensive with an average ticket price of $490.
What is the cheapest San Antonio to Baltimore/Washington flight route?
Fly from San Antonio to Baltimore/Washington for the best San Antonio - Baltimore/Washington flight prices
How far in advance should I book a flight to Baltimore?
You are more likely to see cheaper flights to Baltimore from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to Baltimore for around $407 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Baltimore from San Antonio for as low as $173 on momondo.
What cabin class options are available on San Antonio to Baltimore/Washington flights?
There are 1 cabin classes available to choose from on San Antonio to Baltimore/Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on San Antonio to Baltimore flights?
No. A direct flight is the cheapest option for a flight between San Antonio to Baltimore.
How have San Antonio to Baltimore flight prices changed over time?
As of July 2025, prices for San Antonio to Baltimore flights are approximately 52% more expensive when compared to flights at the same time last year.
What is the cheapest airline that flies from San Antonio to Baltimore/Washington?
Frontier, Spirit Airlines, and Southwest are the most popular carriers operating from San Antonio to Baltimore/Washington
What airlines fly to Baltimore?
United Airlines, Southwest and American Airlines are the top three most popular airlines that fly to Baltimore from San Antonio according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Baltimore. Keep in mind that there are 7 different airlines that fly to Baltimore on a routine basis, so you have a few additional options to choose from.
How many flights depart from San Antonio to Baltimore on average per day?
As of July 2025, there are 2 flights per day flying from San Antonio to Baltimore. The most common time of day flights depart is 5:00AM, with 31% of flights taking off in the evening.
How many flights depart from San Antonio to Baltimore on average per week?
14 flights are operational weekly from San Antonio to Baltimore as of July 2025. The most popular departure day for this route is Mon, with 29% of flights per week taking off on this day.
When to book flights from San Antonio to Baltimore
Cheap San Antonio to Baltimore (SAT to BWI) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Antonio to Baltimore
How far is San Antonio to Baltimore/Washington by plane?
San Antonio and Baltimore/Washington are 1415.7 mi apart from one another. A reasonable flight in good conditions will take 3h 20m.
When did momondo last update prices for flights from San Antonio Airport to Baltimore/Washington Airport?
Prices for flights from San Antonio Airport to Baltimore/Washington Airport refresh daily.
How many operators does momondo search for flights from San Antonio Airport to Baltimore/Washington Airport?
The number of operators available for flights from San Antonio Airport to Baltimore/Washington Airport is 6 as of July 2025.
How old do you have to be to fly from San Antonio Airport to Baltimore/Washington Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Antonio Airport to Baltimore/Washington Airport.
What documentation or ID do you need to fly to Baltimore/Washington Airport?
The travel and health documents you'll need for your trip to Baltimore/Washington Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Baltimore/Washington Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from San Antonio to Baltimore?
Based on momondo bookings for flights between San Antonio and Baltimore, the leading plane model is Boeing 737-800 Passenger/BBJ2 (winglets), making up 16.98% of the total bookings. Other popular models include Airbus A320neo with 16.04%, Boeing 737-900 with 15.09%, and Boeing 737-700 Passenger/BBJ1 (winglets) with 13.92%.
What is the most popular airline from San Antonio to Baltimore?
Based on momondo bookings for flights between San Antonio and Baltimore, the leading airline is Southwest, making up 39% of the total bookings. Other popular airlines include Spirit Airlines with 27%, Delta with 14%, and American Airlines with 13%.
Best airlines flying from San Antonio to Baltimore
Compare and see reviews for airlines that fly from San Antonio to Baltimore with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $76 | Free Cancellation | Rating 5.9 3,284 reviews | |||
| PriceFrom $107 | Free Cancellation | Rating 6.3 8,094 reviews | |||
| PriceFrom $216 | Free Cancellation | Rating 8.0 7,983 reviews | |||
| PriceFrom $218 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $239 | Free Cancellation | Rating 7.4 8,861 reviews | |||
| PriceFrom $312 | Free Cancellation | Rating 8.0 4,270 reviews |
Southwest Flights From San Antonio to Baltimore
Across 14 Southwest flights from San Antonio to Baltimore this week, the average price was $500, with the best Southwest deals starting from $312 round-trip. 4,266 users have rated Southwest on momondo, with an average score of 8.0/10.
Why use momondo?
Why should I use momondo to find a flight deal from San Antonio to Baltimore?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Baltimore from San Antonio.
Can I find flights from San Antonio to Baltimore with flexible booking policies on momondo?
momondo does allow users to show only those flights to Baltimore from San Antonio which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from San Antonio to Baltimore?
momondo helps you find the best flight between San Antonio and Baltimore by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from San Antonio to Baltimore right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of San Antonio to Baltimore flights. All you need is a valid email address and we will do the rest; it is that quick and easy.