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

Based on fares quoted within the last 7 days on Expedia for flights departing within the next year, round-trip flights from BWI Marshall to San Antonio Airport start from . Book now to score the best price for your big adventure. Prices and availability are subject to change. Additional terms apply.

This can vary between air carriers, as each has its own terms and conditions. Visit the Customer Service Portal, where there are easy instructions on how to cancel online.

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for BWI to San Antonio Airport flights, you'll see a "no change fees" filter for you to select.

The flight distance between BWI Airport and SAT is 2,300 kilometres. Pack yourself a drink, a snack and a good book to read. Keep yourself busy in the air and the hours will zip by.

A popular choice with many travellers, Southwest Airlines (WN) operates 56 flights monthly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to SAT. Pick the one that suits your travel plans and book your seat today.

Booking your trip from BWI Airport to San Antonio Airport last minute could be your ticket to a great deal. However, you might miss out on a flight altogether! If you'd rather play it safe, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to a year in advance. If your preferred carrier hasn't released tickets yet, check back frequently as deals are updated all the time on Expedia.