Cheap flights from San Diego to Charleston from $153

The cheapest month to fly to Charleston from San Diego is in January. Flight prices, which tend to average around $358, are often lower during this time because this is during the off-season. The month of September is another great option to travel to Charleston, with average flight prices from San Diego averaging around $385.

You are more likely to see cheaper flights to Charleston from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Charleston for around $430 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Charleston from San Diego for as low as $335 on momondo.

You could potentially save up to 11% on your flight if you consider stops on a San Diego to Charleston flight.

As of March 2026, prices for San Diego to Charleston flights are approximately 19% more expensive when compared to flights at the same time last year.

American Airlines, United Airlines, and JetBlue are the most popular carriers operating from San Diego to Charleston

American Airlines, Delta and Southwest are the top three most popular airlines that fly to Charleston from San Diego according to our data. American Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Charleston. Keep in mind that there are 5 different airlines that fly to Charleston on a routine basis, so you have a few additional options to choose from.

Dallas (DAL) was the most common stop: 60% of momondo users choosing 1-stop flights on this route connected there.

Flights via Dallas (DAL) offer the lowest average round-trip price of $407.

Flights connecting via Dallas (DAL) have the shortest average one-way travel time: 6h 20m.

Dallas (DAL) has the shortest average layover time for this route: 0h 53m.