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CA $138 Cheap Flights from Seattle (SEA) to Charleston (CHS)

View CA $138 flight on Mon, Nov 16, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Charleston Intl. Airport (CHS)

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Cheap flights from Seattle (SEA) to Charleston (CHS)

Prices were available within the past 7 days and start at CA $138 for one-way flights and CA $274 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Nov 16 - Wed, Dec 2
SEA
Seattle
CHS
Charleston
CA $274 Roundtrip, found 6 days ago
CA $274
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Nov 16 from Seattle to Charleston, returning Wed, Dec 2, priced at CA $274 found 6 days ago
American Airlines
Tue, Sep 22 - Wed, Sep 30
SEA
Seattle
CHS
Charleston
CA $275 Roundtrip, found 6 days ago
CA $275
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Sep 22 from Seattle to Charleston, returning Wed, Sep 30, priced at CA $275 found 6 days ago
Delta
Mon, Nov 16 - Wed, Dec 2
SEA
Seattle
CHS
Charleston
CA $282 Roundtrip, found 6 days ago
CA $282
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Nov 16 from Seattle to Charleston, returning Wed, Dec 2, priced at CA $282 found 6 days ago
American Airlines
Tue, Sep 22 - Wed, Sep 30
SEA
Seattle
CHS
Charleston
CA $288 Roundtrip, found 6 days ago
CA $288
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Sep 22 from Seattle to Charleston, returning Wed, Sep 30, priced at CA $288 found 6 days ago
Delta
Fri, Sep 11 - Sat, Sep 12
SEA
Seattle
CHS
Charleston
CA $305 Roundtrip, found 6 days ago
CA $305
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, Sep 11 from Seattle to Charleston, returning Sat, Sep 12, priced at CA $305 found 6 days ago
American Airlines
Wed, Sep 2 - Sat, Sep 19
SEA
Seattle
CHS
Charleston
CA $309 Roundtrip, found 6 days ago
CA $309
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Sep 2 from Seattle to Charleston, returning Sat, Sep 19, priced at CA $309 found 6 days ago
American Airlines
Tue, Sep 1 - Fri, Sep 11
SEA
Seattle
CHS
Charleston
CA $326 Roundtrip, found 6 days ago
CA $326
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Sep 1 from Seattle to Charleston, returning Fri, Sep 11, priced at CA $326 found 6 days ago
United
Tue, Sep 22 - Wed, Sep 30
SEA
Seattle
CHS
Charleston
CA $470 Roundtrip, found 6 days ago
CA $470
Roundtrip
found 6 days ago
Select United flight, departing Tue, Sep 22 from Seattle to Charleston, returning Wed, Sep 30, priced at CA $470 found 6 days ago
Alaska Airlines
Thu, Jan 7 - Mon, Jan 11
SEA
Seattle
CHS
Charleston
CA $496 Roundtrip, found 7 hours ago
CA $496
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Thu, Jan 7 from Seattle to Charleston, returning Mon, Jan 11, priced at CA $496 found 7 hours ago
JetBlue Airways
Fri, Sep 18 - Sat, Sep 26
SEA
Seattle
CHS
Charleston
CA $516 Roundtrip, found 13 hours ago
CA $516
Roundtrip
found 13 hours ago
Select JetBlue Airways flight, departing Fri, Sep 18 from Seattle to Charleston, returning Sat, Sep 26, priced at CA $516 found 13 hours ago

Alternative airports near Charleston

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Charleston Intl. CHS. Cheapest and Closest option available. Average driving time to city centre is 16 minutes. Flights from CA $926
CHS
Charleston Intl.
CheapestClosest
Average driving time to city centre16 min
Flights from CA $926

Find the cheapest month to fly from Seattle (SEA) to Charleston (CHS)

September is typically the cheapest month to fly

From CA $275 - CA $570 per traveller.

Frequently asked questions

How much does a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Charleston, SC (CHS-Charleston Intl.) cost?
You can find cheap one-way flights from CA $138 and cheap return flights from CA $274 SEA to CHS with Expedia. One-way flights typically cost between CA$193 and CA$1003, and return flights often range between CA$536 and CA$1993. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when SEA to CHS ticket fares go up or down.
What is the cheapest month to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Charleston, SC (CHS-Charleston Intl.)?
January is typically the cheapest month to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Charleston, SC (CHS-Charleston Intl.), with average return fares around CA$402. January sees lower prices because it falls after the holiday travel rush, when demand drops and airlines compete for bookings. September and October are also good months to find deals on this route.
Which airlines fly direct from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Charleston, SC (CHS-Charleston Intl.)?
Enter SEA to CHS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Charleston, SC (CHS-Charleston Intl.)?
Sun Country Airlines offers one of the cheapest connecting return flights from Seattle - Tacoma Intl. (SEA) to Charleston Intl. (CHS) starting from around CA$453. Alaska Airlines is one of the cheapest airlines offering nonstop return flights from Seattle - Tacoma Intl. (SEA) to Charleston Intl. (CHS), with tickets starting from around CA$479 for flights that can be booked for departure within the next year. These prices are per adult for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Charleston, SC (CHS-Charleston Intl.)?
To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Charleston, SC (CHS-Charleston Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Charleston, SC (CHS-Charleston Intl.)?
The best airline to fly with from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Charleston, SC (CHS-Charleston Intl.) will differ from traveler to traveler. If you like to fly early, Alaska Airlines offers early morning flights. If price is the most important factor, Alaska Airlines typically offers the lowest fares. Southwest Airlines offers the most daily flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Charleston, SC (CHS-Charleston Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Charleston, SC (CHS-Charleston Intl.)?
When looking for the best time to fly from Seattle-Tacoma International Airport (SEA) to Charleston International Airport (CHS), it's helpful to consider both price and flight availability. You'll generally find the cheapest flights in January and September, with average prices around CA$402 for a return flight. However, the most popular months for travel, offering plenty of flight options, are typically May and July. While these might not be the absolute cheapest, they provide a good balance of availability and often pleasant weather for your trip.
How many flights per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Charleston, SC (CHS-Charleston Intl.)?
There are approximately 92 connecting flights per day from Seattle - Tacoma Intl. (SEA) to Charleston Intl. (CHS). Some common connection points include O'Hare Intl. (ORD), Denver Intl. (DEN), and Midway Intl. (MDW).
What is the earliest flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Charleston, SC (CHS-Charleston Intl.)?
The earliest flight from Seattle - Tacoma Intl. (SEA) to Charleston Intl. (CHS) typically departs around 12:05 AM. This service is offered by American Airlines. This is a seasonal service, active only in February. An early departure like this can be great for maximizing your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Charleston, SC (CHS-Charleston Intl.)?
You'll find the most flights from Seattle - Tacoma Intl. (SEA) to Charleston Intl. (CHS) on a Friday, with around 55 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include American Airlines, United, and Delta. Fridays offer notably more flight options compared to other days of the week, making it a popular choice for travellers.
What are the most popular departure times for flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Charleston, SC (CHS-Charleston Intl.)?
The most popular departure times for flights from Seattle - Tacoma Intl. (SEA) to Charleston Intl. (CHS) are in the early morning, from 6am to 9am. Many major carriers, including American Airlines, Delta and Alaska Airlines, offer flights during this window. Many travelers prefer this because it allows for an early start to your travel day, often getting you to your destination earlier.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Charleston, SC (CHS-Charleston Intl.)?
A direct flight from Seattle - Tacoma Intl. (SEA) to Charleston Intl. (CHS) typically takes around 5 hours, covering a distance of approximately 3,880 kilometers. If you opt for a one-stop flight, the journey will generally take longer, around 8 hours. Flights with two or more stops usually take about 12 hours. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.
Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Charleston, SC (CHS-Charleston Intl.)?
Yes, you can fly business class or first class between SEA and CHS.You can fly business class with Delta.First class cabins are available on:
  • Alaska Airlines
  • Delta
  • American Airlines
  • United

How do I earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Charleston, SC (CHS-Charleston Intl.) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Charleston, SC (CHS-Charleston Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Charleston, SC (CHS) from Seattle, WA (SEA)?
If you're planning to travel to Charleston from Seattle - Tacoma Intl. (SEA), you can fly directly into Charleston Intl. (CHS). Some flights may connect through major hubs like Denver Intl. (DEN), San Francisco Intl. (SFO), or Midway Intl. (MDW) before reaching Charleston. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Charleston, SC (CHS-Charleston Intl.) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Charleston, SC (CHS-Charleston Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Charleston, SC (CHS-Charleston Intl.) flight and hotel package?
Securing a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Charleston, SC (CHS-Charleston Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Charleston, SC (CHS-Charleston Intl.)?
If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to Charleston, SC (CHS-Charleston Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Charleston Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways, United
Roundtrip price
CA $274
Distance
3856 km
Average flight time
5 hours 20 mins

Book with confidence

Seattle to North Charleston Flights

The easy way to book your flights from Seattle to Charleston 

With Expedia, it’s simple to find and book flights to Charleston from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Charleston Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Charleston today, tomorrow, or this week.  

 

Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Charleston Intl., CHS 

Sort your search results by price to find great deals on your flight from Seattle to Charleston—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Charleston from Seattle currently is just CA $274 rising to CA $516.  

Here are more money-saving tips: 

  • Fly in November when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Charleston  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Charleston from Seattle 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Charleston with Expedia today.

Seattle to North Charleston Flights

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*Available to Expedia members.