Cheap flights from South Carolina to Washington from $56

The month of October is, on average, the cheapest month to fly to State of Washington from South Carolina, with most prices found around $296. If you aren’t able to travel to State of Washington during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $298.

The cheapest day to depart from South Carolina to State of Washington is on a Tuesday. Travelers who choose to depart for State of Washington on a Tuesday will often find tickets for as low as $391. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from South Carolina to State of Washington for around $593.

The cheapest time of day to fly to State of Washington is in the evening when flights can be purchased for as low as $386. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $475 on average. Flights to State of Washington from South Carolina in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to State of Washington from South Carolina when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $370 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from South Carolina for as low as $295 on momondo.

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

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

American Airlines, Delta and Alaska Airlines are the top three most popular airlines that fly to State of Washington from South Carolina according to our data. American Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 6 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

As of February 2026, there are 4 flights per day flying from South Carolina to State of Washington. The most common time of day flights depart is 6:00PM, with 100% of flights taking off in the evening.

As of February 2026, 31 flights take off from South Carolina and land in State of Washington each week. The most common flight departure day for this route is Fri, with 19% of weekly flights taking off on this day.