Cheap flights from Raleigh to San Antonio from $83

If you aren’t able to travel during the month of May, then book flights to San Antonio from Raleigh during September instead. Flights to San Antonio in September, while not as cheap as those in May, still average around $327.

The cheapest day to depart on your flight to San Antonio is on a Sunday when prices can be found for as low as $201. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Thursday is $203.

Fly from Raleigh-Durham to San Antonio for the best Raleigh-Durham - San Antonio flight prices

You are more likely to see cheaper flights to San Antonio from Raleigh when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $383 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Raleigh for as low as $192 on momondo.

As of May 2026, prices for Raleigh to San Antonio flights are approximately 24% more expensive when compared to flights at the same time last year.

Breeze Airways, American Airlines, and Delta are the most popular carriers operating from Raleigh-Durham to San Antonio

Delta, Southwest and American Airlines are the top three most popular airlines that fly to San Antonio from Raleigh according to our data. Delta is the first choice among our users, with 39% of people opting to fly with this airline when traveling to San Antonio. Keep in mind that there are 8 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.

Historically, on average around 33% of flights between Raleigh and San Antonio have experienced a delay on any given week. The average delay length over the past 12 months has been 35 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

Atlanta (ATL) was the most common stop: 40% of momondo users choosing 1-stop flights on this route connected there.

Flights via Denver (DEN) offer the lowest average round-trip price of $209.

Flights connecting via Atlanta (ATL) have the shortest average one-way travel time: 4h 50m.

Dallas (DFW) has the shortest average layover time for this route: 0h 48m.