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$66+ Cheap flights from Baltimore to Charleston (BWI - CHS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — CHS
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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1. Tell us where you want to go
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Cheapflights Tip: The best prices from Baltimore/Washington to Charleston are usually found in August or July, booked 10 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Baltimore to Charleston

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Charleston (CHS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$213
(FlightHub)

One-way from

$66
(Mytrip)

Popular in

April

Cheapest in

August

Average price

$350
Provider with most accurate pricing for Baltimore/Washington-Charleston flight deals.
Search Deals
Provider most trusted by Cheapflights users for Baltimore/Washington-Charleston flights.
Search Deals
From Baltimore/Washington to Charleston
Search Deals
One-way flight from Baltimore/Washington to Charleston
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Baltimore to Charleston

Cheapest flights from Baltimore to Charleston
Explore the most affordable flight options available from Baltimore to Charleston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

This FlightHub deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/169:32 pmBWI - CHS
1 stop11h 48mSpirit Airlines
Mon 4/214:51 pmCHS - BWI
1 stop7h 15mSpirit Airlines
Deal found 3/24$213
This Delta deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/146:50 pmBWI - CHS
1 stop5h 08mDelta
Thu 4/175:35 amCHS - BWI
1 stop3h 37mDelta
Deal found 3/24$214
This Southwest deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/106:20 amBWI - CHS
2 stops11h 40mSouthwest
Wed 5/146:30 amCHS - BWI
1 stop6h 30mSouthwest
Deal found 3/24$225
This Mytrip deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/152:20 pmBWI - CHS
2 stops27h 54mMultiple Airlines
Sat 5/179:43 amCHS - BWI
1 stop9h 09mMultiple Airlines
Deal found 3/24$230
This American Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/98:17 pmBWI - CHS
1 stop3h 58mAmerican Airlines
Sun 5/115:07 amCHS - BWI
1 stop4h 56mAmerican Airlines
Deal found 3/24$274

Cheapflights Fare Finder

Customize your flight search to find flights from Baltimore to Charleston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 25, 2025.
Use the filters below to find and compare flights from Baltimore to Charleston that are best for you.

Fly from

Baltimore

Fly to

Charleston

Route

Depart

Return

Price

BaltimoreCharleston

BWI - CHS

BWICHS

Baltimore/Washington

Wed 4/16

9:32 pm-9:20 am

1 stop11h 48m

Charleston

Mon 4/21

4:51 pm-12:06 am

1 stop7h 15m

$213

BaltimoreCharleston

BWI - CHS

BWICHS

Baltimore/Washington

Mon 4/14

6:50 pm-11:58 pm

1 stop5h 08m

Charleston

Thu 4/17

5:35 am-9:12 am

1 stop3h 37m

$214

BaltimoreCharleston

BWI - CHS

BWICHS

Baltimore/Washington

Sat 5/10

6:20 am-6:00 pm

2 stops11h 40m

Charleston

Wed 5/14

6:30 am-1:00 pm

1 stop6h 30m

$225

BaltimoreCharleston

BWI - CHS

BWICHS

Baltimore/Washington

Thu 5/15

2:20 pm-6:14 pm

2 stops27h 54m

Charleston

Sat 5/17

9:43 am-6:52 pm

1 stop9h 09m

$230

BaltimoreCharleston

BWI - CHS

BWICHS

Baltimore/Washington

Fri 5/9

8:17 pm-12:15 am

1 stop3h 58m

Charleston

Sun 5/11

5:07 am-10:03 am

1 stop4h 56m

$274

BaltimoreCharleston

BWI - CHS

BWICHS

Baltimore/Washington

Sat 5/3

5:45 am-5:45 pm

1 stop12h 00m

$66

BaltimoreCharleston

BWI - CHS

BWICHS

Baltimore/Washington

Mon 4/28

7:30 pm-9:10 pm

Nonstop1h 40m

$90

BaltimoreCharleston

BWI - CHS

BWICHS

Baltimore/Washington

Tue 4/29

10:19 am-2:46 pm

1 stop4h 27m

$100

BaltimoreCharleston

BWI - CHS

BWICHS

Baltimore/Washington

Thu 6/5

8:19 am-12:54 pm

1 stop4h 35m

$130

BaltimoreCharleston

BWI - CHS

BWICHS

Baltimore/Washington

Thu 5/15

2:20 pm-6:14 pm

2 stops27h 54m

$145

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 12 results
1
2

Compare providers for flights from Baltimore to Charleston

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Baltimore to Charleston in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Baltimore-Charleston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baltimore-Charleston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Baltimore-Charleston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Baltimore-Charleston flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Baltimore-Charleston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Baltimore to Charleston

Have a flexible travel schedule? Discover the best time to fly to Charleston from Baltimore with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Baltimore to Charleston

How far ahead should I book a flight from Baltimore to Charleston?

Use this chart to determine the optimal time to book a round-trip flight from Baltimore to Charleston. Price data was last updated on March 21, 2025.

Booking 10 days in advance of your planned departure date is, on average, the best time to get cheap flights from Baltimore to Charleston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Baltimore to Charleston?

Currently, August is the cheapest month in which you can book a flight from Baltimore to Charleston (average of $217). Flying from Baltimore to Charleston in March is currently the most expensive (average of $335). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BWI to CHS?

Find hourly flight availability from Baltimore to Charleston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 25, 2025.

It’s typically best to fly out from Baltimore to Charleston in the afternoon. Doing so could potentially save you 10% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Baltimore to Charleston?

Use this chart to determine the cheapest time to fly round-trip from Baltimore to Charleston. Price data was last updated on March 16, 2025.

Travelers seeking maximum savings on their Baltimore to Charleston flight should consider departing on Monday evenings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Charleston by month

Plan your trip to Charleston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Charleston ranges from 2.4 - 7.2 inches per month. August is typically the wettest month, when rainfall can reach 7.2 in. November is typically the driest time to visit Charleston when rainfall is around 2.4 in.

Temperature in Charleston by month

Plan your trip to Charleston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Charleston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Charleston

Get insights into the airlines that provide service to Charleston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Charleston. Reviews last updated March 25, 2025.
Read through reviews of airlines operating flights from Baltimore to Charleston, such as Southwest, Delta and Avelo Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,272 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Food

7.1

Comfort

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,272 reviews
Southwest
8.0
Very good
4,272 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Food

7.1

Comfort

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,890 reviews
Southwest
8.0
Very good
4,272 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Food

7.1

Comfort

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Avelo Airlines
7.5
Good
Southwest
8.0
Very good
4,272 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Food

7.1

Comfort

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,605 reviews
Southwest
8.0
Very good
4,272 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Food

7.1

Comfort

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,272 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Food

7.1

Comfort

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Baltimore to Charleston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Baltimore to Charleston?

    Booking a flight from Baltimore/Washington (BWI) to Charleston (CHS) is your only option if you wish to fly from Baltimore to Charleston. On a typical day, there are 2 flights from Baltimore/Washington to Charleston, all of which are around 1h 35m for a nonstop flight. You can also purchase a plane ticket from 5 airlines when you book a flight from Baltimore/Washington to Charleston.

  • How popular is this Baltimore to Charleston flight route?

    The Baltimore/Washington to Charleston flight path was viewed by 2 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Baltimore to Charleston round-trip?

    Cheapflights users have booked flights from Baltimore to Charleston round-trip from $213. Other airlines that can offer you cheap pricing are Delta, from $214, and Southwest, from $225. Spirit Airlines is 36% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Baltimore to Charleston one-way?

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $66. Users have also found prices from $90 and $100 on Southwest and Delta, respectively.

  • What are the cheapest flights from Baltimore to Charleston?

    Looking for the cheapest flight from Baltimore to Charleston? While on average our users pay $296, our data indicates the cheapest price to be $115. The most popular route (Baltimore/Washington - Charleston), is priced around $136.

  • Can I find deals for flights from Baltimore to Charleston that include hotel bookings?

    Yes. In addition to deals on Baltimore to Charleston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Baltimore to Charleston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Baltimore to Charleston.

  • Can I find deals for business class flights from Baltimore to Charleston?

    Yes. Cheapflights offers flight deals from Baltimore to Charleston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Baltimore to Charleston?

    Currently, August is the cheapest month in which you can book a flight from Baltimore to Charleston (average of $217). Flying from Baltimore to Charleston in March is currently the most expensive (average of $335). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Baltimore?

Book flights to Baltimore if you plan to visit one of these locations
North Charleston
Summerville
Santee
Mount Pleasant
Isle of Palms
Folly Beach
Walterboro
Edisto Beach

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Alternative routes for Baltimore to Charleston

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Baltimore to Charleston

Discover the top 5 airlines that operate flights from Baltimore to Charleston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$90Average$150FlexibilityNo cancel feeOn-time65%
DeltaCheapest$162Average$324FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$179Average$257FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$192Average$357FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$224Average$367FlexibilityNo cancel feeOn-time63%
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