Cheap flights from Washington to South Carolina from $153

The cheapest month to fly to South Carolina from State of Washington is in February. Flight prices, which tend to average around $365, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to South Carolina from State of Washington during January instead. Flights to South Carolina in January, while not as cheap as those in February, still average around $415.

Our data shows that Wednesday is the least expensive day to fly to South Carolina. Tickets to fly out on this day can be as low as $382. The most expensive day to fly to South Carolina is Sunday, with ticket prices averaging around $502.

Fly from Seattle/Tacoma Intl to Charleston for the best Washington - South Carolina flight prices

You are more likely to see cheaper flights to South Carolina from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to South Carolina for around $402 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to South Carolina from State of Washington for as low as $328 on momondo.

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

You could potentially save up to 6% on your flight if you consider stops on a State of Washington to South Carolina flight.

United Airlines, Delta, and Southwest are the most popular carriers operating from Washington to South Carolina

American Airlines, Alaska Airlines and Delta are the top three most popular airlines that fly to South Carolina from State of Washington according to our data. American Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to South Carolina. Keep in mind that there are 5 different airlines that fly to South Carolina on a routine basis, so you have a few additional options to choose from.

As of September 2026, 1 flights take off from State of Washington and land in South Carolina each week. The most common flight departure day for this route is Sun, with 100% of weekly flights taking off on this day.

Flight times vary depending on what airport in State of Washington you fly out of and what airport in South Carolina you fly into. For example, flying from Seattle to Charleston takes 5h 04m on average. On the other hand, flying from Pasco to Charleston takes 6h 29m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.