$139 Cheap United flights from Seattle to Charleston (SEA to CHS)

Find The Best Day To Fly from Seattle to Charleston

Amazing United SEA to CHS Flight Deals

The cheapest flights to Charleston Intl. found within the past 7 days were $277 round trip and $139 one way. Prices and availability subject to change. Additional terms may apply.

Wed, Aug 27 - Sat, Aug 30
SEA
Seattle
CHS
Charleston
$277 Roundtrip, found 4 hours ago
$277
Roundtrip
found 4 hours ago
Select United flight, departing Wed, Aug 27 from Seattle to Charleston, returning Sat, Aug 30, priced at $277 found 4 hours ago

CHS From SEA Economy Coach Packages on Similar Airlines

Price found within the past 48 hours. Click for updated prices.
Barksdale House Inn

Barksdale House Inn

3 out of 5
per person
Aug 19 - Aug 23
found 6 hours ago
Roundtrip non-stop flight included
Seattle (SEA) to Charleston (CHS)
The Pinch Hotel

The Pinch Hotel

4 out of 5
per person
Aug 19 - Aug 23
found 6 hours ago
Roundtrip non-stop flight included
Seattle (SEA) to Charleston (CHS)
The Inn At Middleton Place

The Inn At Middleton Place

3 out of 5
per person
Aug 28 - Sep 1
found 3 hours ago
Roundtrip non-stop flight included
Seattle (SEA) to Charleston (CHS)
Don't see what you're looking for?
See all available trips from Seattle - Tacoma Intl. to Charleston Intl.
View all trips

Frequently asked questions

Can I catch a flight from Sea-Tac Airport to Charleston Intl. Airport (CHS) right now?
Be sure to go to our Covid-19 Travel Advisor to see if there are any current quarantine requirements or travel advice reports in effect in Charleston Intl. Airport when flying from SEA.
What terminal is United Airlines at Sea-Tac Airport?
Check your ticket to find out which Sea-Tac Airport terminal you'll be taking off from on your way to Charleston Intl. Airport (CHS) with United Airlines. If you can't find the details on there, get in touch with your airline.
Are there United Airlines non-stop flights from SEA to CHS?
United Airlines doesn't have direct flights between Seattle - Tacoma Intl. Airport (SEA) and CHS, so plan on making at least one stopover. If you're not rushed for time between flights, sit down and enjoy a coffee while you wait for your connection.
How long is a United Airlines flight from SEA to CHS?
Have a power nap and begin your vacation feeling relaxed. You'll have time to do so when traveling with United Airlines between SEA and CHS, with the flight taking an average of 6 hours and 8 minutes.
How many direct and indirect flights does United Airlines fly from SEA to CHS?
If you're traveling from SEA to CHS, you'll discover around 3 United Airlines daily flights to pick from.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Charleston Intl. Airport, please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Discover our best United flight from Seattle SEA to Charleston CHS 

To find the best deals on flights to Seattle from Charleston with United, just enter your travel dates, filter by United, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Seattle SEA to Charleston CHS with United 

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $277 to $277, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way United flights from Seattle SEA to Charleston CHS 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from Seattle to Charleston costs from $139. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Charleston CHS from  Seattle SEA with United 

To find a cheap United flight from Seattle SEA to Charleston CHS, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on United flights from Seattle SEA to Charleston CHS 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as August, or if you book a flight with a stopover. 

 

Find nonstop flights from Seattle SEA to Charleston CHS with United 

If you’re keen to be on Charleston soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for United flights from Seattle SEA to Charleston CHS 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Charleston CHS from  Seattle SEA with United on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

Travelers ❤️ these 🏨 after their flight to Charleston

Drury Plaza Hotel North Charleston
Drury Plaza Hotel North Charleston
3 out of 5
West Montague Avenue, 2934, North Charleston, SC
This hotel features an outdoor pool and a hot tub. Relax with a drink at the bar/lounge and enjoy free perks like buffet breakfast and free self parking. The ...
9.8/10 Exceptional! (307 reviews)
"Clean and fairly new. Good amenities, including hot breakfast every morning, and amazing kick-back spread in the evenings. Would definitely stay here again"

Reviewed on Jul 8, 2025

Drury Plaza Hotel North Charleston
Crowne Plaza Charleston Airport - Conv Ctr by IHG
Crowne Plaza Charleston Airport - Conv Ctr by IHG
3.5 out of 5
4831 Tanger Outlet Blvd, North Charleston, SC
This hotel features a restaurant, an outdoor pool, and a bar/lounge. Traveling on business? Take advantage of the 24-hour business center, free WiFi in public ...
8.4/10 Very Good! (1,016 reviews)
"Person that checked us in was great, let us know everything about the area and what was still open (we arrived very late). Very clean, great location, and huge room. One of my favorite hotel stays in a long time."

Reviewed on Jul 11, 2025

Crowne Plaza Charleston Airport - Conv Ctr by IHG
Hampton Inn & Suites Charleston Airport
Hampton Inn & Suites Charleston Airport
2.5 out of 5
3020 Montague Ave, North Charleston, SC
This hotel features an outdoor pool and a gym. Traveling on business? Take advantage of the business center, free WiFi in public areas, and free airport shuttle. ...
9.4/10 Exceptional! (1,002 reviews)
"I had a wonderful stay at this hotel! The room was clean, spacious, and well-appointed, with all the amenities I needed for a comfortable visit. The bed was especially comfortable, and I appreciated the attention to detail in housekeeping throughout my stay. The location was convenient, with easy ..."

Reviewed on Jul 8, 2025

Hampton Inn & Suites Charleston Airport
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.