$213 Cheap United flights Baltimore (BWI) to Charleston (CHS)

View $213 flight on Thu, Jan 8, 2026Opens in a new window

$213 Cheap United flights Baltimore (BWI) to Charleston (CHS)

Prices were available within the past 7 days and start at $213 for one-way flights and $365 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Jan 14 - Tue, Jan 20
BWI
Baltimore
CHS
Charleston
$365 Roundtrip, found 23 hours ago
$365
Roundtrip
found 23 hours ago
Select United flight, departing Wed, Jan 14 from Baltimore to Charleston, returning Tue, Jan 20, priced at $365 found 23 hours ago
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
Popular airline
American Airlines
Distance
473 mi
Average flight time
1 hour 47 mins

Frequently asked questions

How much is a United Airlines flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Charleston Intl. Airport (CHS)?
Apply the "Price (lowest to highest)" filter on Expedia to find cheap United Airlines round-trip flights from $365 from BWI to CHS. Affordable one-way fares from $213 are also on offer.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from BWI to CHS with United Airlines?
United Airlines flights to Charleston are often more affordable in the off-peak months of January and December. Whether you're in search of a one-way or round-trip ticket, you could score a better deal then.
What is the cheapest time to book flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Charleston Intl. Airport (CHS) with United Airlines?
To find cheap United Airlines fares from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Charleston Intl. Airport (CHS), start searching one to three months before your intended departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also influence the overall price. Sunday is generally the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your journey on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Charleston Intl. Airport (CHS)?
To find out if there's a direct journey from BWI to CHS with United Airlines or any other airlines, select the "Nonstop" filter when looking for flights.
What is the earliest United Airlines flight from BWI to CHS?
To find the earliest departure from BWI to CHS with United Airlines, filter your results by "Early Morning" and "Morning." Choosing an early flight usually means you'll experience fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Charleston?
Charleston Intl. Airport (CHS) is the main Charleston hub for United Airlines flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI).
Why fly with United Airlines from BWI to CHS?
A rewarding loyalty program and the ability to collect points through United Mileage Plus are the start of the reasons to fly from BWI to CHS with United Airlines. Plus, by joining Expedia's free One Key™ program, you can earn OneKeyCash™* on top of United Airlines's loyalty program earnings. It's yours to spend on your next adventure.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my United Airlines flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Charleston Intl. Airport (CHS)?
Changes are typically free within 24 hours of booking, but your airline may charge a fee after that time. For more information about altering your flights, head to your "Trips," select your flight and click on "Manage Booking." If you want the flexibility to make changes without additional charges, tick the "Changes included" or "No cancel fee" filter when organizing your next escape.

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*Available to One Key members.