$85 Find Cheap Flights from Baltimore to Charleston - Compare and Save

Among airlines operating Baltimore to Charleston flights:

• Southwest: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only Southwest operates flights between Baltimore and Charleston.

Flights from Baltimore to Charleston usually depart from Baltimore/Washington (BWI) and arrive at Charleston (CHS).

Here are some options for this route, based on selected ticket types and cabin classes:

• Southwest: a cabin bag and a checked bag in Economy Class
• JetBlue: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Two cabin classes are available on flights from Baltimore to Charleston:

• Economy Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $225 round-trip via Fort Lauderdale (FLL), compared to $357 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $45–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 737 MAX 8 family is used most often on this route, operated mainly by Southwest and United Airlines. Other aircraft seen on the route include Boeing 737-800 Passenger/BBJ2 (winglets) variants.

One-stop flights from Baltimore to Charleston most commonly connect through:

• Charlotte Douglas (CLT) - 45% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) - 40% of one-stop connections
• Fort Lauderdale (FLL) - 14% of one-stop connections

Charlotte Douglas (CLT) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 30% on the Baltimore to Charleston route. Tuesday is the cheapest departure day at $284 round-trip on average, while Friday is the most expensive at $404, a difference of $120. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Morning is the busiest departure period on Baltimore to Charleston flights, with 50% of flights leaving in that window. Afternoon departures account for 25%, evening flights for 25%, and night flights for 0%.

These are the earliest and latest flight times available from Baltimore to Charleston:

• Earliest: departs at 7:55 am and lands at 9:43 am
• Latest: departs at 9:15 pm and lands at 11:03 pm.

The flight takes about 1h 48m.

Last-minute fares on this route - booked within 2 weeks of departure - run 73% above the route average of $353. Book 20 weeks before departure for the lowest fares.

A nonstop flight from Baltimore to Charleston takes 1h 48m, covering 473 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $162 to $1,114. That means the highest observed fare was about 7x higher than the lowest one.

One-way fares from Baltimore to Charleston are currently lower than usual. Average one-way flight prices are about $99, which is 58% below the typical average for this route.

Flying via Charlotte Douglas (CLT) gives the shortest average 1-stop total travel time at 3h 47m, compared with 4h 28m via Atlanta Hartsfield-Jackson (ATL) and 7h 22m via Fort Lauderdale (FLL).

Charleston Airport (CHS) hosts 5 major car rental companies, with daily rates starting from around $31 for economy cars. Top options include:
• Budget
• Alamo
• Economy Rent a Car
• Avis
• Thrifty

Round-trip flights from Baltimore to Charleston range from $267 to $449, with an average of $353 over the past 12 months. Anything below $267 counts as a good deal.

JetBlue is the only airline on the Baltimore to Charleston route offering in-flight Wi-Fi. Pricing depends on fare class.