SEA - CHS

$124 Find Cheap Flights from Seattle to Charleston - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Charleston departing on 10/2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$242
Typical prices: $257-$478
United Airlines
Fri 10/16Tue 10/20
SEA - CHS • 1 stop
Cheapest non-stop
$317
Typical prices: $278-$387
Alaska Airlines
Tue 9/1Wed 9/9
SEA - CHS • Non-stop
Nonstop flights
You can fly direct with Alaska Airlines. Average duration is 5h 19m
Direct flights
Direct flights
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Direct flights
Direct flights
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Top layover airports
Cheapest • Avg $312 (round-trip)
Shortest trip • 6h 58m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 30% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 31% price drop
Most popular
Good to know
Good to know
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Good to know
Good to know
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Flight Deals
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Expert advice
Flight Deals

Cheap Flights from Seattle to Charleston (SEA-CHS)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Seattle to Charleston that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Charleston

Fri, Oct 16 - Tue, Oct 20
United Airlines Logo
11:13 pm - 10:27 am
SEA
-
CHS
8h 14m
1 stop
United Airlines Logo
3:03 pm - 9:55 pm
CHS
-
SEA
9h 52m
1 stop
$242United Airlines
Tue, Sep 22 - Tue, Sep 29
United Airlines Logo
11:00 pm - 10:37 am
SEA
-
CHS
8h 37m
1 stop
United Airlines Logo
3:03 pm - 9:55 pm
CHS
-
SEA
9h 52m
1 stop
$242United Airlines
Wed, Oct 21 - Tue, Oct 27
American Airlines Logo
10:26 am - 10:33 pm
SEA
-
CHS
9h 07m
1 stop
American Airlines Logo
7:00 am - 1:36 pm
CHS
-
SEA
9h 36m
1 stop
$247American Airlines
Tue, Sep 29 - Fri, Oct 2
American Airlines Logo
6:40 am - 6:56 pm
SEA
-
CHS
9h 16m
1 stop
American Airlines Logo
4:46 pm - 9:52 pm
CHS
-
SEA
8h 06m
1 stop
$247American Airlines
Wed, Sep 23 - Tue, Oct 6
Delta Logo
6:00 am - 4:30 pm
SEA
-
CHS
7h 30m
1 stop
Delta Logo
3:11 pm - 8:50 pm
CHS
-
SEA
8h 39m
1 stop
$247Delta
Sat, Oct 17 - Wed, Oct 21
Delta Logo
10:59 pm - 12:12 pm
SEA
-
CHS
10h 13m
1 stop
Delta Logo
4:20 pm - 10:03 pm
CHS
-
SEA
8h 43m
1 stop
$247Delta
Wed, Sep 16 - Mon, Sep 21
Southwest Logo
5:20 am - 9:15 pm
SEA
-
CHS
12h 55m
1 stop
Southwest Logo
6:30 pm - 11:55 pm
CHS
-
SEA
8h 25m
1 stop
$252Southwest
Wed, Sep 16 - Mon, Sep 21
Southwest Logo
5:20 am - 9:15 pm
SEA
-
CHS
12h 55m
1 stop
Southwest Logo
6:30 pm - 11:55 pm
CHS
-
SEA
8h 25m
1 stop
$252Southwest
Tue, Sep 1 - Wed, Sep 9
Alaska Airlines Logo
9:45 am - 6:05 pm
SEA
-
CHS
5h 20mnonstop
Alaska Airlines Logo
7:09 pm - 10:00 pm
CHS
-
SEA
5h 51mnonstop
$317Alaska Airlines
Sat, Aug 29 - Tue, Sep 8
Alaska Airlines Logo
9:45 am - 6:05 pm
SEA
-
CHS
5h 20mnonstop
Alaska Airlines Logo
7:09 pm - 10:00 pm
CHS
-
SEA
5h 51mnonstop
$317Alaska Airlines
Booking Insights

KAYAK's insights & trends for Seattle to Charleston flights

Get data-powered insights and trends into flights from Seattle to Charleston to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Seattle to Charleston?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Seattle to Charleston departing in September.

Flight prices are below average for this route right now.

Flights to Charleston from Seattle usually cost between $301 and $648 in September.
The lowest price found in the past 5 days was $242 on United Airlines (Sep 22-Sep 29).

What’s the cheapest day of the week to fly from Seattle to Charleston?

The average price of all round-trip flights from Seattle to Charleston clicked on KAYAK for each day over the last 12 months.

For Seattle to Charleston, Friday is the cheapest day to fly on average and Monday is the most expensive. Flying from Charleston back to Seattle, the best deals are generally found on Wednesday, with Monday being the most expensive.

What is the cheapest month to fly from Seattle to Charleston?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Seattle to Charleston, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Seattle to Charleston is February, where tickets cost $287 (return) on average. On the other hand, the most expensive months are November and December, where the average cost of round-trip tickets is $536 and $528 respectively.

Can I save money by flying with a layover from Seattle to Charleston?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $348, prices are generally cheapest when you fly direct.

How far in advance should I book a flight from Seattle to Charleston?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Seattle to Charleston, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Seattle to Charleston, you should book around 3 weeks before departure, which saves you about 30% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 18 weeks before departure.

Expert advice

Expert advice for your flight from Seattle to Charleston

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on SEA

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Brandon Schultz

Brandon Schultz

Expert on CHS

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Good to know

Low season

January

Cheapest flight

$124
Best time to beat the crowds with an average 29% drop in price.
Most popular time to fly and prices are also 4% lower on average.
Flight from Seattle to Charleston

When to book flights from Seattle to Charleston

Are your dates flexible? Find out the best times to travel from Seattle to Charleston based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Seattle to Charleston

  • Which cities are served by Charleston International Airport?

    CHS airport serves several nearby cities. After arriving at this airport, you can explore several cities, including Hanahan, Georgetown, North Charleston, Summerville, Hilton Head Island, Ladson, Orangeburg, Mount Pleasant, and Sumter.

  • How do I get from downtown Seattle to Seattle-Tacoma International Airport?

    If you need public transport, you can get from the city to the airport using the Line 124 bus, which takes 55 minutes to get to the airport. You can also use a tram and arrive at the airport in approximately 33 minutes. However, you can take a taxi if you need the fastest means and get to the airport in about 18min.

  • Which is the most sustainable airline for flights from Seattle to Charleston?

    If you're looking for sustainable flights from Seattle to Charleston, you can go for Alaska Airlines. This airline offers the most environmentally friendly flights in North America. They have ensured fuel efficiency for seven straight years. In addition, they have partnered with Boxed Water to offer eco-friendly foods and drinks and reduce plastic waste.

  • Is there public transport from CHS to downtown Charleston?

    Yes, there are buses at the airport’s terminals to get you to downtown Charleston in about 28 minutes. You can also take a shuttle bus that takes approximately 41min to get to the city. This is because it makes several stops to drop travelers along the way.

  • What is the cheapest flight from Seattle to Charleston?

    In the last 5 days, the lowest price for a flight from Seattle to Charleston was $124 for a one-way ticket and $242 for a round-trip.

  • Do I need a passport to fly between Seattle and Charleston?

    No, a passport isn't needed to fly from Seattle to Charleston. However, local authorities might ask for an official ID.

  • Which airlines offer Wi-Fi service onboard planes from Seattle to Charleston?

    Alaska Airlines, American Airlines, and Hawaiian Airlines offer inflight Wi-Fi service on the Seattle to Charleston flight route.

  • Which aircraft models fly most regularly from Seattle to Charleston?

    The Boeing 737 MAX 9 is the aircraft model that flies most regularly on the Seattle to Charleston flight route.

  • Which airline alliances offer flights from Seattle to Charleston?

    SkyTeam, Star Alliance, and oneworld are the airline alliances operating flights between Seattle and Charleston, with SkyTeam being the most commonly used for this route.

  • On which days can I fly direct from Seattle to Charleston?

    There are nonstop flights from Seattle to Charleston on a daily basis.

  • Which is the best airline for flights from Seattle to Charleston, Southwest or Alaska Airlines?

    The two airlines most popular with KAYAK users for flights from Seattle to Charleston are Southwest and Alaska Airlines. With an average price for the route of $476 and an overall rating of 8.0, Southwest is the most popular choice. Alaska Airlines is also a great choice for the route, with an average price of $439 and an overall rating of 7.9.

  • How does KAYAK find such low prices on flights from Seattle to Charleston?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Charleston.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Charleston?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Charleston from Seattle is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seattle to Charleston?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Charleston with an airline and back to Seattle with another airline. Booking your flights between Seattle and CHS can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Charleston?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Charleston from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Seattle to Charleston

  • Looking for a cheap flight? 25% of our users found flights on this route for $203 or less one-way and $347 or less round-trip.
  • Seattle-Tacoma International Airport (SEA) has several lounges where you can relax, eat, or take a shower. If you're flying using Alaska Airlines, you can access Alaska Lounges at Concourse C, Concourse D, or North Satellite Terminal. Other lounges at the airport include USO Lounge at the Main Terminal, The Club SEA, Delta Sky Club, and United Club at Concourse A, Centurion Lounge at Concourse B, and British Airways First and Terraces Lounge at South Satellite Terminal.
  • Charleston International Airport (CHS) is a hub for Breeze Airways. At the same time, Seattle-Tacoma International Airport works as a hub for Delta Air Lines and Alaska Airlines, making it one of the biggest airports in North America.
  • Parking at SEA airport isn't challenging because you can choose the airport parking garage or off-airport parking. The on-site airport garage has eight floors, and you can decide where to park. However, offsite parking at the airport has several advantages, including avoiding airport traffic, shuttles taking you to the airport, and staff handling your luggage.
  • After arriving at Charleston International Airport, you can find car rental offices past the baggage area at the end of the terminal. Car rentals near the airport include National, Avis, Enterprise, Alamo, Easirent, and Sunnycars. However, you need to be at least 21 years old and have a valid driver's license to rent a car.
  • Seattle-Tacoma International Airport offers shuttle services for travelers arriving at the airport. The shuttle picks you up from your arrival area in the city and drops you at the baggage claim area at the airport. Again, depending on your needs, you can choose a shared shuttle or a private car.

Prefer to fly direct from Seattle to Charleston?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Seattle/Tacoma Intl to Charleston.
Find which airlines fly direct from Seattle/Tacoma Intl Airport to Charleston Airport, which days they fly and book direct flights.

Direct departures

Seattle/Tacoma Intl to Charleston

Monday

Alaska Airlines

Alaska Airlines

Tuesday

Alaska Airlines

Alaska Airlines

Wednesday

Alaska Airlines

Alaska Airlines

Thursday

Alaska Airlines

Alaska Airlines

Friday

Alaska Airlines

Alaska Airlines

Saturday

Alaska Airlines

Alaska Airlines

Sunday

Alaska Airlines

Alaska Airlines

See more direct flights

Direct returns

Charleston to Seattle/Tacoma Intl

Monday

Alaska Airlines

Alaska Airlines

Tuesday

Alaska Airlines

Alaska Airlines

Wednesday

Alaska Airlines

Alaska Airlines

Thursday

Alaska Airlines

Alaska Airlines

Friday

Alaska Airlines

Alaska Airlines

Saturday

Alaska Airlines

Alaska Airlines

Sunday

Alaska Airlines

Alaska Airlines

See more direct flights

Everything you need to know for your flight from Seattle to Charleston

Information on your arrival and departure airports