$99+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — CHS
Sep 25 — Oct 21
Round-trip
1 adult, Economy
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Find cheap flights from Baltimore to Charleston 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 Baltimore/Washington to Charleston are usually found in February or January, booked 84 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday
Cheap flight deals from Baltimore to Charleston
Cheapest
Best
Last-minute
One-way
Cheapest flights from Baltimore to CharlestonExplore 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 August 26, 2026.
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 August 26, 2026.
This Southwest deal was found by Cheapflights users on 8/24. 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.
Tue 9/228:15 am -
Nonstop1h 50m
Tue 9/225:10 pm -
Nonstop1h 35m
Deal found 8/24![Southwest logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 9/2210:22 am -
2 stops22h 16m
Tue 9/293:00 pm -
1 stop17h 31m
Deal found 8/25![Multiple Airlines logo]()
$205
This Southwest deal was found by Cheapflights users on 8/25. 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 10/178:20 am -
Nonstop1h 50m
Wed 10/216:40 am -
1 stop4h 35m
Deal found 8/25![Southwest logo]()
$207
This Southwest deal was found by Cheapflights users on 8/24. 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.
Mon 9/146:35 am -
1 stop12h 00m
Thu 9/178:40 am -
Nonstop1h 30m
Deal found 8/24![Southwest logo]()
$213
This Delta deal was found by Cheapflights users on 8/26. 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.
Fri 10/236:32 pm -
1 stop5h 27m
Mon 10/267:05 pm -
1 stop5h 46m
Deal found 8/26![Delta logo]()
$217
This Southwest deal was found by Cheapflights users on 8/25. 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 10/176:30 am -
1 stop4h 50m
Tue 10/206:40 am -
2 stops8h 15m
Deal found 8/25![Southwest logo]()
$222
This Southwest deal was found by Cheapflights users on 8/21. 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.
Mon 9/216:35 am -
1 stop12h 00m
Fri 9/251:15 pm -
Nonstop1h 30m
Deal found 8/21![Southwest logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 9/1510:22 am -
2 stops22h 16m
Tue 9/221:21 pm -
1 stop8h 38m
Deal found 8/22![Multiple Airlines logo]()
$226
This Southwest deal was found by Cheapflights users on 8/24. 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 10/3110:10 am -
2 stops6h 30m
Tue 11/36:35 am -
2 stops6h 10m
Deal found 8/24![Southwest logo]()
$227
This Southwest deal was found by Cheapflights users on 8/21. 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 9/199:40 am -
1 stop7h 00m
Tue 9/226:45 am -
2 stops12h 00m
Deal found 8/21![Southwest logo]()
$228
This Southwest deal was found by Cheapflights users on 8/25. 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 11/133:10 pm -
2 stops5h 45m
Tue 11/178:00 am -
1 stop7h 30m
Deal found 8/25![Southwest logo]()
$232
Best flights from Baltimore to CharlestonDiscover carefully curated flight deals from Baltimore to Charleston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.
Discover carefully curated flight deals from Baltimore to Charleston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.
This Southwest deal was found by Cheapflights users on 8/24. 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.
Mon 9/146:50 pm -
Nonstop1h 45m
Thu 9/178:40 am -
Nonstop1h 30m
Deal found 8/24![Southwest logo]()
$197
This Delta deal was found by Cheapflights users on 8/24. 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 9/146:35 pm -
1 stop5h 24m
Thu 9/175:25 am -
1 stop3h 51m
Deal found 8/24![Delta logo]()
$207
This Delta deal was found by Cheapflights users on 8/25. 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.
Fri 10/306:00 am -
1 stop4h 10m
Mon 11/24:35 pm -
1 stop5h 01m
Deal found 8/25![Delta logo]()
$217
This Southwest deal was found by Cheapflights users on 8/22. 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.
Wed 9/168:15 am -
Nonstop1h 50m
Mon 9/217:00 am -
1 stop6h 15m
Deal found 8/22![Southwest logo]()
$256
This Southwest deal was found by Cheapflights users on 8/25. 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.
Thu 11/58:30 pm -
Nonstop1h 45m
Mon 11/97:55 pm -
Nonstop1h 35m
Deal found 8/25![Southwest logo]()
$295
This Delta deal was found by Cheapflights users on 8/22. 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.
Fri 11/1312:00 pm -
1 stop5h 59m
Sun 11/155:20 am -
1 stop3h 58m
Deal found 8/22![Delta logo]()
$309
This Southwest deal was found by Cheapflights users on 8/22. 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.
Thu 10/18:00 pm -
Nonstop1h 40m
Sat 10/35:30 pm -
Nonstop1h 40m
Deal found 8/22![Southwest logo]()
$314
This Southwest deal was found by Cheapflights users on 8/22. 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 9/268:20 am -
Nonstop1h 50m
Sun 9/277:20 am -
Nonstop1h 30m
Deal found 8/22![Southwest logo]()
$364
This Southwest deal was found by Cheapflights users on 8/24. 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.
Fri 9/186:50 pm -
Nonstop1h 45m
Sun 9/207:20 am -
Nonstop1h 30m
Deal found 8/24![Southwest logo]()
$384
This Southwest deal was found by Cheapflights users on 8/25. 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 10/98:00 pm -
Nonstop1h 40m
Mon 10/128:05 pm -
Nonstop1h 30m
Deal found 8/25![Southwest logo]()
$391
This Southwest deal was found by Cheapflights users on 8/21. 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.
Thu 9/243:15 pm -
1 stop6h 15m
Sun 9/277:20 am -
Nonstop1h 30m
Deal found 8/21![Southwest logo]()
$405
This Southwest deal was found by Cheapflights users on 8/22. 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 9/55:40 pm -
Nonstop1h 45m
Tue 9/85:10 pm -
Nonstop1h 35m
Deal found 8/22![Southwest logo]()
$411
Last-minute flights from Baltimore to CharlestonDiscover last-minute flight deals from Baltimore to Charleston. Data last updated August 26, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Charleston. Data last updated August 26, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 8/21. 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 9/116:50 pm -
Nonstop1h 45m
Mon 9/146:05 pm -
Nonstop1h 35m
Deal found 8/21![Southwest logo]()
$217
This Southwest deal was found by Cheapflights users on 8/24. 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.
Mon 9/146:35 am -
1 stop12h 00m
Thu 9/178:40 am -
Nonstop1h 30m
Deal found 8/24![Southwest logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 9/1510:22 am -
2 stops22h 16m
Tue 9/221:21 pm -
1 stop8h 38m
Deal found 8/22![Multiple Airlines logo]()
$226
This Southwest deal was found by Cheapflights users on 8/21. 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 9/199:40 am -
1 stop7h 00m
Tue 9/226:45 am -
2 stops12h 00m
Deal found 8/21![Southwest logo]()
$228
This Southwest deal was found by Cheapflights users on 8/21. 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.
Mon 9/216:35 am -
1 stop12h 00m
Fri 9/251:15 pm -
Nonstop1h 30m
Deal found 8/21![Southwest logo]()
$223
This Southwest deal was found by Cheapflights users on 8/24. 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.
Tue 9/228:15 am -
Nonstop1h 50m
Tue 9/225:10 pm -
Nonstop1h 35m
Deal found 8/24![Southwest logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 9/2210:22 am -
2 stops22h 16m
Tue 9/293:00 pm -
1 stop17h 31m
Deal found 8/25![Multiple Airlines logo]()
$205
This Delta deal was found by Cheapflights users on 8/24. 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.
Tue 9/226:00 am -
1 stop5h 38m
Tue 9/225:35 pm -
1 stop3h 50m
Deal found 8/24![Delta logo]()
$207
This Southwest deal was found by Cheapflights users on 8/24. 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.
Fri 9/256:50 pm -
Nonstop1h 45m
Wed 9/306:45 am -
2 stops8h 20m
Deal found 8/24![Southwest logo]()
$222
One-way flights from Baltimore to CharlestonSearch for one-way flight options from Baltimore to Charleston. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.
Search for one-way flight options from Baltimore to Charleston. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.
This Southwest deal was found by Cheapflights users on 8/26. 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.
Wed 9/168:15 am -
Nonstop1h 50m
Deal found 8/26![Southwest logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 9/226:38 am -
2 stops26h 00m
Deal found 8/22![Multiple Airlines logo]()
$103
This Delta deal was found by Cheapflights users on 8/25. 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.
Tue 9/227:05 am -
1 stop6h 02m
Deal found 8/25![Delta logo]()
$104
This Southwest deal was found by Cheapflights users on 8/24. 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.
Fri 10/28:00 pm -
Nonstop1h 40m
Deal found 8/24![Southwest logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 10/610:22 am -
2 stops22h 16m
Deal found 8/25![Multiple Airlines logo]()
$112
This Delta deal was found by Cheapflights users on 8/25. 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.
Fri 10/236:32 pm -
1 stop5h 27m
Deal found 8/25![Delta logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:22 am -
2 stops22h 16m
Deal found 8/24![Multiple Airlines logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 10/205:40 am -
2 stops26h 58m
Deal found 8/22![Multiple Airlines logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 10/285:40 am -
2 stops26h 58m
Deal found 8/25![Multiple Airlines logo]()
$117
Find 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 August 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $197 (Southwest) |
One-way from | $99 (Southwest) |
Popular in | March |
Cheapest in | February |
Average price | $356 |
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 7,457,451 searches. Data last updated August 26, 2026.
Use the filters below to find and compare flights from Baltimore to Charleston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BaltimoreCharleston
BWI Baltimore/Washington - CHS Charleston
BWICHS
Baltimore/Washington
Mon 9/14
6:50 pm-8:35 pm
Nonstop1h 45m
Charleston
Thu 9/17
8:40 am-10:10 am
Nonstop1h 30m
$197
BaltimoreCharleston
BWI Baltimore/Washington - CHS Charleston
BWICHS
Baltimore/Washington
Mon 9/14
6:35 pm-11:59 pm
1 stop5h 24m
Charleston
Thu 9/17
5:25 am-9:16 am
1 stop3h 51m
$207
BaltimoreCharleston
BWI Baltimore/Washington - CHS Charleston
BWICHS
Baltimore/Washington
Fri 10/30
6:00 am-10:10 am
1 stop4h 10m
Charleston
Mon 11/2
4:35 pm-9:36 pm
1 stop5h 01m
$217
BaltimoreCharleston
BWI Baltimore/Washington - CHS Charleston
BWICHS
Baltimore/Washington
Wed 9/16
8:15 am-10:05 am
Nonstop1h 50m
Charleston
Mon 9/21
7:00 am-1:15 pm
1 stop6h 15m
$256
BaltimoreCharleston
BWI Baltimore/Washington - CHS Charleston
BWICHS
Baltimore/Washington
Thu 11/5
8:30 pm-10:15 pm
Nonstop1h 45m
Charleston
Mon 11/9
7:55 pm-9:30 pm
Nonstop1h 35m
$295
BaltimoreCharleston
BWI Baltimore/Washington - CHS Charleston
BWICHS
Baltimore/Washington
Fri 11/13
12:00 pm-5:59 pm
1 stop5h 59m
Charleston
Sun 11/15
5:20 am-9:18 am
1 stop3h 58m
$309
BaltimoreCharleston
BWI Baltimore/Washington - CHS Charleston
BWICHS
Baltimore/Washington
Thu 10/1
8:00 pm-9:40 pm
Nonstop1h 40m
Charleston
Sat 10/3
5:30 pm-7:10 pm
Nonstop1h 40m
$314
BaltimoreCharleston
BWI Baltimore/Washington - CHS Charleston
BWICHS
Baltimore/Washington
Sat 9/26
8:20 am-10:10 am
Nonstop1h 50m
Charleston
Sun 9/27
7:20 am-8:50 am
Nonstop1h 30m
$364
BaltimoreCharleston
BWI Baltimore/Washington - CHS Charleston
BWICHS
Baltimore/Washington
Fri 9/18
6:50 pm-8:35 pm
Nonstop1h 45m
Charleston
Sun 9/20
7:20 am-8:50 am
Nonstop1h 30m
$384
Quickest round-trip
BaltimoreCharleston
BWI Baltimore/Washington - CHS Charleston
BWICHS
Baltimore/Washington
Fri 10/9
8:00 pm-9:40 pm
Nonstop1h 40m
Charleston
Mon 10/12
8:05 pm-9:35 pm
Nonstop1h 30m
$391
Showing 1-10 of 22 resultsSorted by cheapest first
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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- 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.
BWI-CHS
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?
Booking 83 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, February is the cheapest month in which you can book a flight from Baltimore to Charleston (average of $307). Flying from Baltimore to Charleston in March is currently the most expensive (average of $399). 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 August 26, 2026.
It’s typically best to fly out from Baltimore to Charleston in the afternoon. Doing so could potentially save you 17% on the flight price compared to flying at noon, 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 August 22, 2026.
Travelers seeking maximum savings on their Baltimore to Charleston flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The best insider tips for Baltimore to Charleston 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 Baltimore to Charleston trip
Our travel experts
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 August 26, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andAmerican 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.
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentDavid,Aug 2023
BWI - SAN
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.
Traveling to a place near Charleston?
Book flights to Charleston if you plan to visit one of these locationsNorth Charleston
Santee
Summerville
Walterboro
Mount Pleasant
Goose Creek
Edisto Beach
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Alternative routes for Baltimore to Charleston
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Other flights to Charleston
Explore flights to Charleston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 26, 2026.
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Top 3 airlines flying from Baltimore to Charleston
Discover the top 3 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 7,457,451 searches. Data last updated August 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$73 | Average$268 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$170 | Average$358 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$249 | Average$380 | FlexibilityNo cancel fee | On-time71% |