Cheap flights from Houston to Charleston from $100

The cheapest month to fly to Charleston from Houston is in September. Flight prices, which tend to average around $64, are often lower during this time because this is during the off-season. The month of August is another great option to travel to Charleston, with average flight prices from Houston averaging around $96.

The cheapest day to depart from Houston to Charleston is on a Saturday. Travelers who choose to depart for Charleston on a Saturday will often find tickets for as low as $325. The most expensive day to fly to Charleston is Friday, with ticket prices averaging around $473.

The cheapest time of day to fly to Charleston is in the evening when flights can be purchased for as low as $404. In the afternoon is when there is more demand to fly to Charleston, so prices are often more expensive at around $472 per ticket.

Fly from Houston George Bush Intcntl to Charleston for the best Houston - Charleston flight prices

You are more likely to see cheaper flights to Charleston from Houston when booking weeks ahead of your departure date. In general, you can expect to find flights to Charleston for around $427 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Charleston from Houston for as low as $303 on momondo.

There are 4 cabin classes available to choose from on Houston to Charleston flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Delta, Southwest, and United Airlines are the most popular carriers operating from Houston to Charleston

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Charleston from Houston according to our data. United Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Charleston. Keep in mind that there are 4 different airlines that fly to Charleston on a routine basis, so you have a few additional options to choose from.

Historically, on average around 16% of flights between Houston and Charleston have experienced a delay on any given week. The average delay length over the past 12 months has been 145 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Sunday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 16% of their flights experiencing any sort of delay.

As of June 2026, 4 flights take off from Houston and land in Charleston each day. The most common flight departure time for this route is 12:00PM, with 72% of daily flights taking off in the afternoon.

As of June 2026, 34 flights take off from Houston and land in Charleston each week. The most common flight departure day for this route is Fri, with 21% of weekly flights taking off on this day.