Cheap flights from Seattle to Charleston from $124
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Charleston departing on 7/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Seattle to Charleston
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Charleston?
The cheapest month to fly to Charleston from Seattle is in January. Flight prices, which tend to average around $288, are often lower during this time because this is during the off-season. The month of September is another great option to travel to Charleston, with average flight prices from Seattle averaging around $326.
What is the cheapest day to depart on your flight to Charleston?
The cheapest day to depart from Seattle to Charleston is on a Tuesday. Travelers who choose to depart for Charleston on a Tuesday will often find tickets for as low as $378. The most expensive day to fly to Charleston is Sunday, with ticket prices averaging around $533.
What is the cheapest time of day to depart on your flight to Charleston?
The cheapest time of day to fly to Charleston is in the afternoon when flights can be purchased for as low as $257. In the morning is when there is more demand to fly to Charleston, so prices are often more expensive at around $441 per ticket.
What is the cheapest Seattle/Tacoma Intl to Charleston flight route?
Fly from Seattle/Tacoma Intl to Charleston for the best Seattle/Tacoma Intl - Charleston flight prices
How far in advance should I book a flight to Charleston?
You are more likely to see cheaper flights to Charleston from Seattle when booking 20 weeks ahead of your departure date. In general, you can expect to find flights to Charleston for around $417 when searching 20 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Charleston from Seattle for as low as $357 on momondo.
What cabin class options are available on Seattle/Tacoma Intl to Charleston flights?
There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Charleston flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Seattle to Charleston flights?
You could potentially save up to 10% on your flight if you consider stops on a Seattle to Charleston flight.
How have Seattle to Charleston flight prices changed over time?
As of June 2025, prices for Seattle to Charleston flights are approximately 6% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Charleston?
Delta, American Airlines, and Spirit Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Charleston
What airlines fly to Charleston?
American Airlines, Alaska Airlines and Delta are the top three most popular airlines that fly to Charleston from Seattle 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 Charleston. Keep in mind that there are 6 different airlines that fly to Charleston on a routine basis, so you have a few additional options to choose from.
How many flights depart from Seattle to Charleston on average per week?
As of June 2025, 4 flights take off from Seattle and land in Charleston each week. The most common flight departure day for this route is Thu, with 75% of weekly flights taking off on this day.
When to book flights from Seattle to Charleston
Cheap Seattle to Charleston (SEA to CHS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Charleston
How far is Seattle/Tacoma Intl to Charleston by plane?
The distance between Seattle/Tacoma Intl and Charleston is about 2422.1 mi. 5h 13m is a normal flight duration for this route.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Charleston Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Charleston Airport refresh daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Charleston Airport?
As of June 2025, there are 6 operators available to choose from for flights from Seattle/Tacoma Intl Airport to Charleston Airport.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Charleston Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Charleston Airport.
What documentation or ID do you need to fly to Charleston Airport?
The necessary travel and health documents for your Charleston Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Seattle to Charleston?
momondo data reveals that the most frequently booked plane model on the route from Seattle to Charleston is Boeing 737 MAX 9, representing 49.01% of all bookings. The subsequent popular models are Boeing 737-900 Passenger/BBJ3 (winglets) at 35.64%, Boeing 737-800 Passenger/BBJ2 (winglets) at 7.43%, and Boeing 737 at 5.45%.
What is the most popular airline from Seattle to Charleston?
Based on momondo bookings for flights between Seattle and Charleston, the leading airline is Alaska Airlines, making up 66% of the total bookings. Other popular airlines include American Airlines with 16%, Delta with 6%, and Hawaiian Airlines with 4%.
Best airlines flying from Seattle to Charleston
Compare and see reviews for airlines that fly from Seattle to Charleston with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $196 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom $238 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $251 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $266 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $297 | Free Cancellation | Rating 7.8 2,494 reviews | |||
| PriceFrom $332 | Free Cancellation | Rating 8.0 4,287 reviews |
Alaska Airlines Flights From Seattle to Charleston
Across 1 Alaska Airlines flight from Seattle to Charleston this week, the average price was $447, with the best Alaska Airlines deals starting from $238 round-trip. 10,000 users have rated Alaska Airlines on momondo, with an average score of 8.0/10.
Hawaiian Airlines Flights From Seattle to Charleston
Across 2,494 Hawaiian Airlines reviews on momondo, the average score is 7.8/10. Hawaiian Airlines flies from Seattle to Charleston about 1 time each week, with ticket deals ranging from $297 to $429. Price data is based on momondo searches in the last 72 hours.
Traveling to a place near Charleston?
Book flights to Charleston if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Seattle to Charleston?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Charleston. momondo saves you time and could save you money on your trip.
Can I find flights from Seattle to Charleston with flexible booking policies on momondo?
Yes. All flights to Charleston from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Seattle to Charleston?
momondo provides multiple filters to help you find the best flight to Charleston from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Seattle to Charleston right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Seattle to Charleston flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.