$65 Cheap Flights from Charleston (CHS) to Baltimore (BWI)

View $65 flight on Mon, May 19, 2025Opens in a new window

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

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Find available prices by choosing your travel dates.

Cheap Flights from Charleston to Baltimore (CHS-BWI)

Prices were available within the past 7 days and start at $65 for one-way flights and $130 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Fri, May 16 - Mon, May 19
CHS
Charleston
BWI
Baltimore
$130 Roundtrip, found 4 hours ago
$130
Roundtrip
found 4 hours ago
Select Spirit Airlines flight, departing Fri, May 16 from Charleston to Baltimore, returning Mon, May 19, priced at $130 found 4 hours ago
Spirit Airlines
Fri, May 16 - Fri, Jul 18
CHS
Charleston
BWI
Baltimore
$140 Roundtrip, found 5 hours ago
$140
Roundtrip
found 5 hours ago
Select Spirit Airlines flight, departing Fri, May 16 from Charleston to Baltimore, returning Fri, Jul 18, priced at $140 found 5 hours ago
Spirit Airlines
Sat, May 10 - Mon, May 12
CHS
Charleston
BWI
Baltimore
$145 Roundtrip, found 2 days ago
$145
Roundtrip
found 2 days ago
Select Spirit Airlines flight, departing Sat, May 10 from Charleston to Baltimore, returning Mon, May 12, priced at $145 found 2 days ago
Spirit Airlines
Thu, May 8 - Mon, May 12
CHS
Charleston
BWI
Baltimore
$150 Roundtrip, found 2 days ago
$150
Roundtrip
found 2 days ago
Select Spirit Airlines flight, departing Thu, May 8 from Charleston to Baltimore, returning Mon, May 12, priced at $150 found 2 days ago
Spirit Airlines
Fri, May 9 - Mon, May 19
CHS
Charleston
BWI
Baltimore
$150 Roundtrip, just found
$150
Roundtrip
just found
Select Spirit Airlines flight, departing Fri, May 9 from Charleston to Baltimore, returning Mon, May 19, priced at $150 just found
Spirit Airlines
Sat, May 17 - Mon, May 26
CHS
Charleston
BWI
Baltimore
$156 Roundtrip, found 5 days ago
$156
Roundtrip
found 5 days ago
Select Spirit Airlines flight, departing Sat, May 17 from Charleston to Baltimore, returning Mon, May 26, priced at $156 found 5 days ago
Southwest Airlines
Sat, May 24 - Mon, May 26
CHS
Charleston
BWI
Baltimore
$189 Roundtrip, found 7 hours ago
$189
Roundtrip
found 7 hours ago
Select Southwest Airlines flight, departing Sat, May 24 from Charleston to Baltimore, returning Mon, May 26, priced at $189 found 7 hours ago
American Airlines
Thu, May 22 - Mon, May 26
CHS
Charleston
BWI
Baltimore
$193 Roundtrip, just found
$193
Roundtrip
just found
Select American Airlines flight, departing Thu, May 22 from Charleston to Baltimore, returning Mon, May 26, priced at $193 just found
Delta
Thu, Jul 3 - Sat, Jul 5
CHS
Charleston
BWI
Baltimore
$237 Roundtrip, just found
$237
Roundtrip
just found
Select Delta flight, departing Thu, Jul 3 from Charleston to Baltimore, returning Sat, Jul 5, priced at $237 just found
United
Tue, Jul 1 - Wed, Jul 2
CHS
Charleston
BWI
Baltimore
$563 Roundtrip, found 6 days ago
$563
Roundtrip
found 6 days ago
Select United flight, departing Tue, Jul 1 from Charleston to Baltimore, returning Wed, Jul 2, priced at $563 found 6 days ago
Flights from Charleston (CHS) to Baltimore (BWI)
Origin airport
Charleston Intl.
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Airlines serving
American Airlines, Delta, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$130
Distance
473 mi

Charleston to Baltimore Flights

The cheapest times to fly from Charleston to Baltimore

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 Charleston to Baltimore are during the month of May. You can find some of the cheapest flights from Charleston to Baltimore with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Charleston to Baltimore

Sunday is one of the best days to book for cheap flights from Charleston to Baltimore: 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 Charleston to Baltimore

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 Charleston to Baltimore in 2025. You can also book with separate airlines for your outbound and return journeys, from $65 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 Charleston to Baltimore 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 Charleston to Baltimore 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 Charleston Intl. Airport (CHS) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) cost?
Grab cheap return fares starting from $140 from Charleston Intl. Airport (CHS) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Spirit Airlines flight leaving CHS on May 19 2025 and touching down at BWI. The price was last updated on April 23 2025 and has not changed since.
What is the cheapest month to fly from CHS to BWI?
The cheapest flights from CHS to BWI are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Charleston Intl. Airport (CHS) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
When setting off from Charleston Intl. Airport (CHS), you can get on a nonstop flight to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) with Southwest Airlines.
What is the cheapest airline that flies from CHS to BWI?
With fares starting at $70 for a one-way flight from CHS to BWI, Spirit Airlines is currently the cheapest airline operating this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from CHS on June 9 2025. Prices were last updated on April 23 2025 and have not changed since.
How many flights per day from Charleston Intl. Airport (CHS) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Daily, an average of 2 nonstop flights operate from Charleston Intl. Airport (CHS) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI). Select the departure date that best suits your travel plans.
What are the most popular departure times for flights from Charleston Intl. Airport (CHS) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
The 7 AM departures from CHS to BWI see the highest demand. They can also be more expensive. If you want to save money, book during off-peak hours.
What day of the week has the most flights from CHS to BWI?
If you travel on a Friday, you’ll get the largest range of options for flights from Charleston Intl. Airport (CHS) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI).
What is the earliest flight from Charleston Intl. Airport (CHS) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Charleston Intl. Airport (CHS)’s earliest flight to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) leaves at approximately 7:15AM UTC-5. With a total flight time of 1h 30m, you’ll land at around 8:45AM UTC-5.
How long does it take to fly from Charleston Intl. Airport (CHS) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Typically, it takes 1 hour and 31 minutes to cover the 470 mi from CHS to BWI.
What is the best time to fly from Charleston Intl. Airport (CHS) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
To reach Baltimore Washington Intl. Thurgood Marshall Airport (BWI) on time, select a flight that takes off from Charleston Intl. Airport (CHS) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Baltimore from Charleston Intl. Airport (CHS)?
Charleston Intl. Airport (CHS) offers direct flights to Baltimore. Here are a few of the airports you can fly to without stopovers:

  • Ronald Reagan Washington National Airport (DCA)
  • Washington Dulles Intl. Airport (IAD)
  • Baltimore Washington Intl. Thurgood Marshall Airport (BWI)

Is it cheaper to buy a plane ticket from Charleston Intl. Airport (CHS) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) last-minute?
Booking your ticket from CHS to BWI just before your getaway is usually more expensive. 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 CHS to BWI flight and hotel package?
Compared with arranging flights and hotels separately, booking a CHS to BWI flight and hotel package with Expedia could result in significant savings. Better still, having everything in one easy place will take the stress out of travel planning. Simply secure your flights and select from our extensive range of stays, then tailor your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Charleston Intl. Airport (CHS) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
If you reserved your CHS to BWI flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

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*Available to One Key members.