Cheap flights from South Carolina to London from £228

The cheapest month to fly to London from South Carolina is in September. Flight prices, which tend to average around £60, are often lower during this time because this is during the off-season. The month of March is another great option to travel to London, with average flight prices from South Carolina averaging around £280.

You are more likely to see cheaper flights to London from South Carolina when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £580 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from South Carolina for as low as £529 on momondo.

The number of flights available between South Carolina and London is 98 per week as of May 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

Flight times from South Carolina to London vary, but if you’re flying out of Charleston and flying into London Heathrow Airport (one of the most popular routes), then the duration is 9h 35m on average. Another popular route from South Carolina to London is flying from Greenville to London Heathrow Airport, which will take roughly 9h 50m. Keep in mind that layovers or delays could extend your travel time.