Cheap flights from Charleston to London from $332

The cheapest month to fly to London from Charleston is in January. Flight prices, which tend to average around $655, are often lower during this time because this is during the off-season. The month of February is another great option to travel to London, with average flight prices from Charleston averaging around $658.

You are more likely to see cheaper flights to London from Charleston when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $843 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Charleston for as low as $714 on momondo.

You could potentially save up to 18% on your flight if you consider stops on a Charleston to London flight.

As of July 2026, prices for Charleston to London flights are approximately 4% more expensive when compared to flights at the same time last year.

JetBlue and Delta are the most popular carriers operating from Charleston to London

British Airways, Delta and American Airlines are the top three most popular airlines that fly to London from Charleston according to our data. British Airways is the first choice among our users, with 29% of people opting to fly with this airline when traveling to London. Keep in mind that there are 7 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Newark (EWR) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

Flights via New York (JFK) offer the lowest average round-trip price of $591.

Flights connecting via Newark (EWR) have the shortest average one-way travel time: 10h 05m.

Charlotte (CLT) has the shortest average layover time for this route: 1h 10m.