$139 Cheap Delta flights Seattle (SEA) to Charleston (CHS)

View $139 flight on Sat, Oct 4, 2025Opens in a new window

$139 Cheap Delta flights Seattle (SEA) to Charleston (CHS)

Prices were available within the past 7 days and start at $139 for one-way flights and $277 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Oct 4 - Sat, Oct 11
SEA
Seattle
CHS
Charleston
$277 Roundtrip, found 8 hours ago
$277
Roundtrip
found 8 hours ago
Select Delta flight, departing Sat, Oct 4 from Seattle to Charleston, returning Sat, Oct 11, priced at $277 found 8 hours ago
Flights from Seattle (SEA) to Charleston (CHS)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Charleston Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways, Southwest Airlines, United
Popular airline
Alaska Airlines
Distance
2410 mi
Average flight time
5 hours 13 mins

Frequently asked questions

How much is a Delta Air Lines flight from Seattle - Tacoma Intl. Airport (SEA) to Charleston Intl. Airport (CHS)?
You can discover cheap return Delta Air Lines flights from $277 from SEA to CHS by filtering your results from "Price (lowest to highest)" on Expedia. Or look for bargains from $139 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from SEA to CHS with Delta Air Lines?
Delta Air Lines flights to Charleston are often cheaper in the quieter months of January and December. Whether you're after a round-trip or one-way ticket, you could find a better deal then.
What is the cheapest time to book flights from Seattle - Tacoma Intl. Airport (SEA) to Charleston Intl. Airport (CHS) with Delta Air Lines?
Start searching one to three months ahead of your travel date to find cheap fares on Delta Air Lines flights from Seattle - Tacoma Intl. Airport (SEA) to Charleston Intl. Airport (CHS). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Time it well, and you can enjoy significant savings on domestic flights.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from Seattle - Tacoma Intl. Airport (SEA) to Charleston Intl. Airport (CHS)?
Select our "Nonstop" filter when browsing for direct Delta Air Lines flights from SEA to CHS. You'll also be able to compare other carriers offering the same nonstop journey.
What is the earliest Delta Air Lines flight from SEA to CHS?
To find the earliest departure from SEA to CHS with Delta Air Lines, filter your results by "Morning" and "Early Morning." Booking an early flight generally means you'll experience fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in Charleston?
Delta Air Lines flights from Seattle - Tacoma Intl. Airport (SEA) to Charleston land at Charleston Intl. Airport (CHS). This is the main entry point here.
Why fly with Delta Air Lines from SEA to CHS?
Offering a rewarding loyalty program and an excellent in-flight experience, Delta Air Lines is the leading choice for many passengers heading from SEA to CHS. Plus, if you're a Delta SkyMiles and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which you can put toward future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from Seattle - Tacoma Intl. Airport (SEA) to Charleston Intl. Airport (CHS)?
Changes are often free within 24 hours of making your booking, but your airline may add a charge after that. For further details about altering your flights, go to your "Trips," select your flight and click on "Manage Booking." If you want the flexibility to adjust your plans without extra charges, apply the "Changes included" and "No cancel fee" filters when planning your next trip.

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*Available to One Key members.