£122 Cheap Flights from Baltimore (BWI) to Charleston (CHS)

View £122 flight on Fri, 24 Oct 2025Opens in a new window

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

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 25% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at £122 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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

July is typically the cheapest month to fly

From £72 - £250 per traveller.
Flight from Baltimore to Charleston route information
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Charleston Intl.
Distance
758 km
Average flight time
1 hour 42 mins

Compare flights from Baltimore to Charleston easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Baltimore to Charleston. Operating between them 2 flights per day, 14 airlines cover the route. And Southwest Airlines fly direct, getting you to Charleston Intl. in just 1hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Baltimore Washington Intl. Thurgood Marshall to Charleston Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Baltimore Washington Intl. Thurgood Marshall (BWI) to Charleston Intl. (CHS)

The easiest way to view the best deals on flights from Baltimore to Charleston today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Baltimore Washington Intl. Thurgood Marshall to Charleston Intl. start at just and range up to .  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Baltimore and Charleston
  • booking your flight during , the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Baltimore to Charleston flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Baltimore Washington Intl. Thurgood Marshall to Charleston Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from BWI Marshall to Charleston Intl. Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip flight from BWI to Charleston Intl. Airport (CHS) was . Fares this good don't last forever, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to CHS?
Each air carrier has its own terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Charleston Intl. Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Charleston Intl. Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from BWI to CHS?
Forget about a movie marathon on this flight — it's only 760 kilometres from Baltimore to North Charleston. Find your way to your seat, get comfortable and you'll be in North Charleston before you know it.
Which airlines fly direct from BWI Airport to Charleston Intl. Airport (CHS)?
Flying nonstop from BWI to Charleston Intl. Airport (CHS) is simple with Southwest Airlines (WN). This top airline offers 91 flights every month.
Are BWI to CHS flight tickets cheaper when they're purchased at the last minute?
Flight tickets from BWI Airport to Charleston Intl. Airport are available up to 12 months prior to departure on Expedia. And although you may nab fantastic last-minute deals, it's not something you should bank on. Also, booking your flights in advance means you'll have more options — and you can avoid being wedged in the dreaded middle seat! We frequently update our fares to bring you the biggest bargains, so keep checking in for all the latest specials.

Explore a world of travel with Expedia

*Available to Expedia members.