$76 Cheap Flights from Baltimore (BWI) to Charleston (CHS)

View $76 flight on Sat, Feb 28, 2026Opens in a new window

Popular airlines from Baltimore Washington Intl. Airport (BWI) to Charleston Intl. Airport (CHS)

Cheap Flights from Baltimore to Charleston (BWI-CHS)

Prices were available within the past 7 days and start at $76 for one-way flights and $152 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Sat, Dec 6 - Sat, Dec 13
BWI
Baltimore
CHS
Charleston
$152 Roundtrip, found 3 hours ago
$152
Roundtrip
found 3 hours ago
Select Spirit Airlines flight, departing Sat, Dec 6 from Baltimore to Charleston, returning Sat, Dec 13, priced at $152 found 3 hours ago
Spirit Airlines
Sat, Nov 15 - Mon, Nov 17
BWI
Baltimore
CHS
Charleston
$171 Roundtrip, found 7 hours ago
$171
Roundtrip
found 7 hours ago
Select Spirit Airlines flight, departing Sat, Nov 15 from Baltimore to Charleston, returning Mon, Nov 17, priced at $171 found 7 hours ago
Southwest Airlines
Tue, Oct 28 - Thu, Oct 30
BWI
Baltimore
CHS
Charleston
$173 Roundtrip, found 1 day ago
$173
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Tue, Oct 28 from Baltimore to Charleston, returning Thu, Oct 30, priced at $173 found 1 day ago
American Airlines
Tue, Oct 28 - Tue, Nov 4
BWI
Baltimore
CHS
Charleston
$175 Roundtrip, found 1 day ago
$175
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Oct 28 from Baltimore to Charleston, returning Tue, Nov 4, priced at $175 found 1 day ago
Delta
Tue, Nov 11 - Wed, Nov 12
BWI
Baltimore
CHS
Charleston
$176 Roundtrip, found 2 days ago
$176
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Nov 11 from Baltimore to Charleston, returning Wed, Nov 12, priced at $176 found 2 days ago
Delta
Tue, Oct 28 - Tue, Nov 4
BWI
Baltimore
CHS
Charleston
$177 Roundtrip, found 1 day ago
$177
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Oct 28 from Baltimore to Charleston, returning Tue, Nov 4, priced at $177 found 1 day ago
Southwest Airlines
Tue, Oct 28 - Tue, Nov 4
BWI
Baltimore
CHS
Charleston
$180 Roundtrip, found 1 day ago
$180
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Tue, Oct 28 from Baltimore to Charleston, returning Tue, Nov 4, priced at $180 found 1 day ago
Southwest Airlines
Wed, Oct 22 - Sat, Oct 25
BWI
Baltimore
CHS
Charleston
$181 Roundtrip, found 1 day ago
$181
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Wed, Oct 22 from Baltimore to Charleston, returning Sat, Oct 25, priced at $181 found 1 day ago
American Airlines
Thu, Nov 13 - Sat, Nov 15
BWI
Baltimore
CHS
Charleston
$183 Roundtrip, found 4 days ago
$183
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Nov 13 from Baltimore to Charleston, returning Sat, Nov 15, priced at $183 found 4 days ago
United
Wed, Nov 12 - Mon, Nov 17
BWI
Baltimore
CHS
Charleston
$580 Roundtrip, just found
$580
Roundtrip
just found
Select United flight, departing Wed, Nov 12 from Baltimore to Charleston, returning Mon, Nov 17, priced at $580 just found

Find the cheapest month to fly from Baltimore (BWI) to Charleston (CHS)

July is typically the cheapest month to fly

From $97 - $338 per traveler.

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 center is 16 minutes. Flights from $343
CHS
Charleston Intl.
CheapestClosest
Average driving time to city center16 min
Flights from $343
Flights from Baltimore (BWI) to Charleston (CHS)
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Charleston Intl.
Airlines serving
American Airlines, Delta, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$151
Distance
473 mi
Average flight time
1 hour 42 mins

Baltimore to Charleston Flights

The cheapest times to fly from Baltimore to Charleston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Baltimore to Charleston are during the month of December. You can find some of the cheapest flights from Baltimore to Charleston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Baltimore to Charleston

Sunday is one of the best days to book for cheap flights from Baltimore to Charleston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Baltimore to Charleston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Baltimore to Charleston in 2025. You can also book with separate airlines for your outbound and return journeys, from $76 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Baltimore to Charleston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Baltimore to Charleston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Charleston Intl. Airport (CHS) cost?
Grab a cheap one-way flight from $76 or cheap return flight from $152 from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Charleston Intl. Airport (CHS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Charleston Intl. Airport (CHS)?
December is the least expensive month to fly from BWI to CHS. Planning your trip for the off-season is often the key to scoring lower fares.
Which airlines fly direct from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Charleston Intl. Airport (CHS)?
When heading out of Baltimore Washington Intl. Thurgood Marshall Airport (BWI), you can catch a nonstop flight to Charleston Intl. Airport (CHS) with Southwest Airlines.
What is the cheapest airline that flies from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Charleston Intl. Airport (CHS)?
To find the cheapest airline that'll fly you from BWI to CHS, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Charleston Intl. Airport (CHS)?
With an average of 2 nonstop flights that operate from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Charleston Intl. Airport (CHS) daily, you'll be soaring through the skies in no time.
What are the most popular departure times for flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Charleston Intl. Airport (CHS)?
More passengers fly between BWI and CHS at 8 AM than at any other point in the day. Looking to skip the crowds? Pick a flight outside the busiest times and you're likely to save on your fare as well.
What day of the week has the most flights from BWI to CHS?
Travel on a Friday if you're looking for the best choice of flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Charleston Intl. Airport (CHS).
What is the earliest flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Charleston Intl. Airport (CHS)?
The earliest flight jetting off from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) is at around 8:30AM UTC-5. Catch this flight and you'll arrive at Charleston Intl. Airport (CHS) at approximately 10:25AM UTC-5. The total travel time is 1h 55m.
How long does it take to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Charleston Intl. Airport (CHS)?
Flights from BWI to CHS have an average travel time of 1 hour and 46 minutes. The total distance between the two airports is 470 mi.
What is the best time to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Charleston Intl. Airport (CHS)?
To avoid potential delays on the Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Charleston Intl. Airport (CHS) route, aim to fly before 3 PM. Later departures have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Charleston from Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
If you're boarding a direct flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Charleston, Charleston Intl. Airport (CHS) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Charleston Intl. Airport (CHS) last-minute?
Last-minute fares from BWI to CHS are usually more expensive. For the best rates, start looking for flights well in advance. That being said, if you're flexible with your travel plans, you may find a cheap fare right before your journey.
Is it cheaper to book a BWI to CHS flight and hotel package?
Securing a BWI to CHS flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Choose from our impressive range of hotels and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Charleston Intl. Airport (CHS)?
It's usually possible to reschedule or cancel your BWI to CHS flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.