Cheap flights from South Carolina to Seattle from $119

In general, February is the cheapest month to fly from South Carolina to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $356. If you don’t want to visit Seattle in February, then you should wait until November to fly from South Carolina, when ticket prices are also cheap, with an average price of $390.

On average, the least expensive day to fly to Seattle from South Carolina is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $459. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from South Carolina because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $706.

Flying to Seattle from South Carolina in the evening is the least expensive time of day to depart. momondo users have found prices as low as $426 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $1,594. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Seattle from South Carolina when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $372 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from South Carolina for as low as $330 on momondo.

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

United Airlines, Delta, and Southwest are the most popular carriers operating from South Carolina to Seattle/Tacoma Intl

American Airlines, Alaska Airlines and United Airlines are the top three most popular airlines that fly to Seattle from South Carolina according to our data. American Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 5 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

As of September 2026, 3 flights take off from South Carolina and land in Seattle each day. The most common flight departure time for this route is 7:00PM, with 100% of daily flights taking off in the evening.

24 flights are operational weekly from South Carolina to Seattle as of September 2026. The most popular departure day for this route is Mon, with 21% of flights per week taking off on this day.