HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Baltimore

$82+ Cheap flights from Charleston to Baltimore (CHS - BWI)

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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — BWI
Sep 12 — Sep 191
Sat 9/12
Sat 9/19
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Charleston to Baltimore with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from Charleston to Baltimore/Washington are usually found in February or September, booked 90 days in advance, depart on a Tuesday or Friday and return on a Tuesday

Cheap flight deals from Charleston to Baltimore

Cheapest flights from Charleston to Baltimore
Explore the most affordable flight options available from Charleston to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2026.

This Southwest deal was found by Cheapflights users on 8/9. 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 9/56:45 am -
1 stop7h 35m
Sat 9/55:40 pm -
Nonstop1h 45m
Deal found 8/9$174
This Southwest deal was found by Cheapflights users on 8/12. 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 9/55:20 pm -
Nonstop1h 35m
Sun 9/67:10 pm -
Nonstop1h 40m
Deal found 8/12$181
This Southwest deal was found by Cheapflights users on 8/10. 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.
Fri 10/304:45 pm -
Nonstop1h 30m
Mon 11/28:30 pm -
Nonstop1h 45m
Deal found 8/10$187
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Tue 9/13:13 pm -
1 stop6h 17m
Tue 9/812:09 pm -
1 stop20h 29m
Deal found 8/12$189
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 9/236:00 am -
1 stop15h 59m
Wed 9/308:19 am -
1 stop5h 05m
Deal found 8/9$199
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 9/28:56 pm -
1 stop13h 49m
Sat 9/55:28 pm -
1 stop15h 10m
Deal found 8/10$201
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Tue 9/221:21 pm -
2 stops23h 39m
Tue 9/293:10 pm -
1 stop17h 28m
Deal found 8/12$202

Find flight deals from Charleston to Baltimore

Discover tips and strategies to find the most affordable flight options for your journey from Charleston (CHS) to Baltimore (BWI). 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 August 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$174
(Southwest)

One-way from

$82
(Southwest)

Popular in

July

Cheapest in

February

Average price

$335
Provider with most accurate pricing for Charleston-Baltimore/Washington flight deals.
Search Deals
Provider most trusted by Cheapflights users for Charleston-Baltimore/Washington flights.
Search Deals
From Charleston to Baltimore/Washington
Search Deals
One-way flight from Charleston to Baltimore/Washington
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Charleston to Baltimore 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 August 13, 2026.
Use the filters below to find and compare flights from Charleston to Baltimore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

CharlestonBaltimore

CHS Charleston - BWI Baltimore/Washington

CHSBWI

Charleston

Wed 10/7

6:10 pm-7:40 pm

Nonstop1h 30m

Baltimore/Washington

Sat 10/10

6:00 pm-7:40 pm

Nonstop1h 40m

$210

CharlestonBaltimore

CHS Charleston - BWI Baltimore/Washington

CHSBWI

Charleston

Sat 10/24

6:15 am-11:55 am

1 stop5h 40m

Baltimore/Washington

Mon 11/2

8:30 pm-10:15 pm

Nonstop1h 45m

$214

CharlestonBaltimore

CHS Charleston - BWI Baltimore/Washington

CHSBWI

Charleston

Tue 10/20

6:30 am-10:54 am

1 stop4h 24m

Baltimore/Washington

Sat 10/24

11:02 am-3:28 pm

1 stop4h 26m

$217

CharlestonBaltimore

CHS Charleston - BWI Baltimore/Washington

CHSBWI

Charleston

Mon 10/12

8:05 pm-9:35 pm

Nonstop1h 30m

Baltimore/Washington

Mon 10/26

9:00 am-4:05 pm

1 stop7h 05m

$283

CharlestonBaltimore

CHS Charleston - BWI Baltimore/Washington

CHSBWI

Charleston

Mon 10/19

8:45 pm-8:25 am

2 stops11h 40m

Baltimore/Washington

Wed 10/21

10:20 am-4:40 pm

1 stop6h 20m

$294

CharlestonBaltimore

CHS Charleston - BWI Baltimore/Washington

CHSBWI

Charleston

Fri 10/30

4:45 pm-6:15 pm

Nonstop1h 30m

Baltimore/Washington

Sun 11/1

8:30 pm-10:15 pm

Nonstop1h 45m

$294

CharlestonBaltimore

CHS Charleston - BWI Baltimore/Washington

CHSBWI

Charleston

Sun 9/6

12:05 pm-1:35 pm

Nonstop1h 30m

Baltimore/Washington

Sun 9/6

7:10 pm-8:50 pm

Nonstop1h 40m

$294

CharlestonBaltimore

CHS Charleston - BWI Baltimore/Washington

CHSBWI

Charleston

Tue 9/8

7:35 am-3:30 pm

1 stop7h 55m

Baltimore/Washington

Thu 9/10

3:15 pm-9:30 pm

1 stop6h 15m

$304

CharlestonBaltimore

CHS Charleston - BWI Baltimore/Washington

CHSBWI

Charleston

Thu 10/22

1:25 pm-11:45 pm

2 stops10h 20m

Baltimore/Washington

Sun 10/25

8:05 am-5:35 pm

2 stops9h 30m

$315
Cheapest one-way
Quickest one-way

CharlestonBaltimore

CHS Charleston - BWI Baltimore/Washington

CHSBWI

Charleston

Sun 9/6

9:10 am-10:40 am

Nonstop1h 30m

$99

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/8

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Compare providers for flights from Charleston to Baltimore

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 Charleston to Baltimore in August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*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 Charleston-Baltimore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Charleston-Baltimore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Charleston-Baltimore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Charleston-Baltimore 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 Charleston-Baltimore 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 Charleston to Baltimore

Have a flexible travel schedule? Discover the best time to fly to Baltimore from Charleston 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 Charleston to Baltimore

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

Booking 89 days in advance of your planned departure date is, on average, the best time to get cheap flights from Charleston to Baltimore. 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 Charleston to Baltimore?

Currently, February is the cheapest month in which you can book a flight from Charleston to Baltimore (average of $266). Flying from Charleston to Baltimore in July is currently the most expensive (average of $563). 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 CHS to BWI?

Find hourly flight availability from Charleston to Baltimore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 13, 2026.

One of the essential ways to save on airfare from Charleston to Baltimore is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 15% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from Charleston to Baltimore. Price data was last updated on August 8, 2026.

Travelers seeking maximum savings on their Charleston to Baltimore flight should consider departing on Sunday evenings 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.

How much does it cost to fly round-trip from Charleston to Baltimore?

Airfare is below average for this route at the moment.

Charleston to Baltimore flights typically cost between $250 and $433 in September.
The cheapest round-trip price found within the last 5 days was $174 on Southwest (Sep 5-Sep 5).

The best insider tips for Charleston to Baltimore flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Charleston to Baltimore trip
Our travel experts
Emily Zemler

Emily Zemler

Expert on BWI

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

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

Reviews of airlines servicing Baltimore

Get insights into the airlines that provide service to Baltimore. 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 Baltimore. Reviews last updated August 13, 2026.
Read reviews from past customers who have flown Southwest and American Airlines from Charleston to Baltimore. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,217 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Joseph,Sep 2023

LAX - BWI

The plane departure and arrival were on time. The crew was entertaining and professional at the same time. Baggage claim was efficient. Glad I flew on Southwest airlines.
Southwest
8.0
Very good
4,217 reviews
Southwest
8.0
Very good
4,217 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Joseph,Sep 2023

LAX - BWI

The plane departure and arrival were on time. The crew was entertaining and professional at the same time. Baggage claim was efficient. Glad I flew on Southwest airlines.
American Airlines
7.1
Good
11,921 reviews
Southwest
8.0
Very good
4,217 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Joseph,Sep 2023

LAX - BWI

The plane departure and arrival were on time. The crew was entertaining and professional at the same time. Baggage claim was efficient. Glad I flew on Southwest airlines.

Related info for your journey

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

  • How popular is this Charleston to Baltimore flight route?

    Within the past month, 14 users have taken a look at flights from Charleston to Baltimore/Washington.

  • How long is the flight from Charleston to Baltimore?

    Southwest and Delta can get you from Charleston to Baltimore in just under 1h 30m. Your travel time can differ by up to 2h 54m. The distance between Charleston and Baltimore is about 473 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Our cheapest airline available from Charleston to Baltimore is Southwest. Our recent data shows that you can find tickets from as low as $177 on this airline. An additional option worth looking into is American Airlines, starting at $212. Users have found that Southwest is 51% cheaper than the other options available to this destination.

  • What are the cheapest flights from Charleston to Baltimore?

    Looking at all options, your cheapest flight can be booked for $144. While the most popular route (Charleston - Baltimore/Washington) can be booked for $181 on average, our data indicates $372 when flying from Charleston to Baltimore.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Charleston to Baltimore 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 Charleston to Baltimore?

    Currently, February is the cheapest month in which you can book a flight from Charleston to Baltimore (average of $266). Flying from Charleston to Baltimore in July is currently the most expensive (average of $563). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Charleston to Baltimore

Discover the top 2 airlines that operate flights from Charleston to Baltimore. 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 August 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$177Average$362FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$212Average$380FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.