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$76+ 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — CHS
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Baltimore/Washington to Charleston are usually found in August or July, booked 78 days in advance, depart on a Monday or Tuesday and return on a Thursday

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 September 17, 2025.

Round-trip from

$152
(Priceline)

One-way from

$76
(Priceline)

Popular in

November

Cheapest in

August

Average price

$340
From Baltimore/Washington to Charleston
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One-way flight from Baltimore/Washington to Charleston
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Highest demand for flights based on searches. 6% potential increase in price ($25 potential increase over avg. RT price).
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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 September 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 September 17, 2025.

This Priceline deal was found by Cheapflights users on 9/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/95:10 amBWI - CHS
1 stop5h 35mSpirit Airlines
Thu 12/115:40 pmCHS - BWI
1 stop6h 14mSpirit Airlines
Deal found 9/16$152
This Mytrip deal was found by Cheapflights users on 9/15. 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 10/308:21 pmBWI - CHS
1 stop12h 40mSpirit Airlines
Thu 11/65:40 pmCHS - BWI
1 stop6h 14mSpirit Airlines
Deal found 9/15$172
This Priceline deal was found by Cheapflights users on 9/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/55:10 amBWI - CHS
1 stop5h 35mSpirit Airlines
Tue 12/95:40 pmCHS - BWI
1 stop6h 14mSpirit Airlines
Deal found 9/16$174
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/154:00 pmBWI - CHS
1 stop17h 06mSpirit Airlines
Fri 10/1710:11 amCHS - BWI
1 stop6h 47mSpirit Airlines
Deal found 9/14$178
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/97:00 pmBWI - CHS
1 stop14h 06mSpirit Airlines
Thu 10/1610:11 amCHS - BWI
1 stop11h 07mSpirit Airlines
Deal found 9/16$182
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/154:00 pmBWI - CHS
1 stop17h 06mSpirit Airlines
Sun 10/1910:11 amCHS - BWI
1 stop25h 43mSpirit Airlines
Deal found 9/15$184
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/274:31 pmBWI - CHS
1 stop16h 06mMultiple Airlines
Thu 10/3010:11 amCHS - BWI
1 stop7h 05mMultiple Airlines
Deal found 9/17$188
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/72:30 pmBWI - CHS
1 stop20h 15mSpirit Airlines
Mon 11/105:40 pmCHS - BWI
1 stop17h 45mSpirit Airlines
Deal found 9/15$190
This KAYAK deal was found by Cheapflights users on 9/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/105:10 amBWI - CHS
1 stop5h 35mSpirit Airlines
Thu 11/135:40 pmCHS - BWI
1 stop6h 14mSpirit Airlines
Deal found 9/15$192
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/317:24 pmBWI - CHS
1 stop19h 05mMultiple Airlines
Fri 11/75:40 pmCHS - BWI
1 stop6h 14mMultiple Airlines
Deal found 9/16$194
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/289:38 amBWI - CHS
1 stop23h 27mMultiple Airlines
Wed 10/18:10 pmCHS - BWI
1 stop16h 12mMultiple Airlines
Deal found 9/15$195
This Expedia deal was found by Cheapflights users on 9/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/125:10 amBWI - CHS
1 stop5h 35mSpirit Airlines
Sun 12/145:40 pmCHS - BWI
1 stop6h 14mSpirit Airlines
Deal found 9/16$196

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 September 17, 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 11/19

8:10 am-10:00 am

Nonstop1h 50m

Charleston

Sat 11/22

1:55 pm-3:25 pm

Nonstop1h 30m

$255

BaltimoreCharleston

BWI - CHS

BWICHS

Baltimore/Washington

Tue 10/7

11:35 am-1:15 pm

Nonstop1h 40m

Charleston

Wed 10/8

3:25 pm-4:55 pm

Nonstop1h 30m

$255

BaltimoreCharleston

BWI - CHS

BWICHS

Baltimore/Washington

Tue 10/14

11:35 am-1:15 pm

Nonstop1h 40m

Charleston

Sat 10/18

5:50 pm-7:20 pm

Nonstop1h 30m

$255

BaltimoreCharleston

BWI - CHS

BWICHS

Baltimore/Washington

Wed 10/15

6:50 pm-8:35 pm

Nonstop1h 45m

Charleston

Wed 10/22

3:25 pm-4:55 pm

Nonstop1h 30m

$255

BaltimoreCharleston

BWI - CHS

BWICHS

Baltimore/Washington

Tue 11/11

6:10 pm-7:55 pm

Nonstop1h 45m

Charleston

Tue 11/18

10:35 am-12:05 pm

Nonstop1h 30m

$255

BaltimoreCharleston

BWI - CHS

BWICHS

Baltimore/Washington

Tue 11/18

8:10 am-10:00 am

Nonstop1h 50m

Charleston

Sat 11/22

8:15 pm-9:50 pm

Nonstop1h 35m

$255

BaltimoreCharleston

BWI - CHS

BWICHS

Baltimore/Washington

Sat 10/18

6:00 am-10:21 am

1 stop4h 21m

Charleston

Sat 10/18

4:14 pm-9:04 pm

1 stop4h 50m

$265

BaltimoreCharleston

BWI - CHS

BWICHS

Baltimore/Washington

Sat 10/18

6:00 am-10:21 am

1 stop4h 21m

Charleston

Tue 10/21

12:54 pm-5:17 pm

1 stop4h 23m

$265

BaltimoreCharleston

BWI - CHS

BWICHS

Baltimore/Washington

Tue 10/21

6:00 am-10:42 am

1 stop4h 42m

Charleston

Sat 10/25

8:50 am-12:45 pm

1 stop3h 55m

$265

BaltimoreCharleston

BWI - CHS

BWICHS

Baltimore/Washington

Wed 10/15

6:00 am-10:20 am

1 stop4h 20m

Charleston

Sat 10/18

2:30 pm-9:04 pm

1 stop6h 34m

$265

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 22 results
1
2
3

The best insider tips for Baltimore to Charleston flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Baltimore to Charleston trip
Airports
BWI

For a stress-free departure, arrive 20-30 minutes early during busy hours (6-8 a.m. and 3-7 p.m.) to navigate security smoothly.

Read more about BWIby Emily Zemler
CHS

Upon arrival at CHS, rideshare services are more convenient than taxis for reaching downtown Charleston.

Read more about CHSby Ramsey Qubein
Our travel experts
Emily Zemler

Emily Zemler

Expert on BWI

Emily Zemler

Emily Zemler

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on CHS

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

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 September 12, 2025.

Booking 77 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 September 17, 2025.

It’s typically best to fly out from Baltimore to Charleston at noon. Doing so could potentially save you 10% on the flight price compared to flying in the evening, 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 September 14, 2025.

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

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 September 17, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Baltimore to Charleston by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,961 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,926 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,023 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 40m 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 3 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Baltimore to Charleston?

    Departing from Baltimore to Charleston will take you 1h 50m. The distance from Baltimore to Charleston is about 473 mi. Most flights are nonstop.

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

    Cheapflights users have booked flights from Baltimore to Charleston round-trip from $98. Other airlines that can offer you cheap pricing are Delta, from $122, and American Airlines, from $207. Spirit Airlines is 71% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest flights from Baltimore to Charleston?

    Looking for the cheapest flight from Baltimore to Charleston? While on average our users pay $268, our data indicates the cheapest price to be $108. The most popular route (Baltimore/Washington - Charleston), is priced around $152.

  • 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 Charleston?

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

Browse thousands of different options on Cheapflights for your next trip

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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$98Average$150FlexibilityNo cancel feeOn-time65%
DeltaCheapest$122Average$358FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$207Average$334FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$212Average$351FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$223Average$299FlexibilityNo cancel feeOn-time69%

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