Use the FlyLogan app for real-time flight updates and pre-order food via BOS2GO for a smoother departure experience.

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $124 (Southwest) |
One-way from | $85 (United Airlines) |
Popular in | December |
Cheapest in | January |
Average price | $267 |
Good round-trip deal | $179 or less |
Good one-way deal | $103 or less |
Fly from
Fly to
Route
Depart
Return
Price
BostonCharleston
BOS - CHS
BOSCHS
Boston Logan Intl
lun. 1/5
3:25 pm-7:30 pm
1 stop4h 05m
Charleston
mer. 1/7
7:55 am-2:20 pm
1 stop6h 25m
BostonCharleston
BOS - CHS
BOSCHS
Boston Logan Intl
mer. 2/4
12:55 pm-3:40 pm
Nonstop2h 45m
Charleston
sam. 2/7
1:59 pm-4:21 pm
Nonstop2h 22m
BostonCharleston
BOS - CHS
BOSCHS
Boston Logan Intl
jeu. 1/22
12:55 pm-3:40 pm
Nonstop2h 45m
Charleston
lun. 1/26
4:45 pm-7:09 pm
Nonstop2h 24m
BostonCharleston
BOS - CHS
BOSCHS
Boston Logan Intl
ven. 1/23
12:55 pm-3:40 pm
Nonstop2h 45m
Charleston
dim. 1/25
4:45 pm-7:09 pm
Nonstop2h 24m
BostonCharleston
BOS - CHS
BOSCHS
Boston Logan Intl
sam. 1/24
9:00 am-4:32 pm
1 stop7h 32m
Charleston
dim. 1/25
4:45 pm-7:09 pm
Nonstop2h 24m
BostonCharleston
BOS - CHS
BOSCHS
Boston Logan Intl
jeu. 1/15
12:55 pm-3:40 pm
Nonstop2h 45m
Charleston
mar. 1/20
3:28 pm-8:31 pm
1 stop5h 03m
BostonCharleston
BOS - CHS
BOSCHS
Boston Logan Intl
lun. 1/12
12:08 pm-7:04 pm
2 stops6h 56m
Charleston
jeu. 1/15
6:05 am-12:46 pm
1 stop6h 41m
BostonCharleston
BOS - CHS
BOSCHS
Boston Logan Intl
lun. 1/5
11:55 am-9:23 pm
1 stop9h 28m
Charleston
mer. 1/7
12:09 pm-2:25 pm
Nonstop2h 16m
BostonCharleston
BOS - CHS
BOSCHS
Boston Logan Intl
ven. 1/9
1:00 pm-6:19 pm
1 stop5h 19m
Charleston
dim. 1/11
5:25 am-10:02 am
1 stop4h 37m
BostonCharleston
BOS - CHS
BOSCHS
Boston Logan Intl
mer. 1/14
6:25 am-7:10 pm
2 stops12h 45m
Charleston
mar. 1/20
9:05 am-8:50 pm
2 stops11h 45m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
Booking 22 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to Charleston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, August is the cheapest month in which you can book a flight from Boston to Charleston (average of $43). Flying from Boston to Charleston in December is currently the most expensive (average of $73). 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.
It’s optimal to fly from Boston to Charleston in the afternoon. By choosing this option you can save up to 3% on the cost of your flight, compared to a flight in the evening.
Travelers seeking maximum savings on their Boston to Charleston flight should consider departing on Tuesday evenings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Baltimore (BWI) – chosen by Cheapflights users on 50% of 1-stop itineraries from Boston to Charleston on Cheapflights.
Baltimore (BWI) is the most affordable 1-stop option, with an average round-trip price of $209.
Flights via Baltimore (BWI) have the shortest average one-way travel time for 1-stop routes: 4h 00m.
Flights via Baltimore (BWI) offer the fastest connection on this route, with an average layover time of 0h 45m.
Boarding
Crew
Food
Comfort
Entertainment
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Boarding
Crew
Food
Comfort
Entertainment
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Boarding
Crew
Food
Comfort
Entertainment
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Boarding
Crew
Food
Comfort
Entertainment
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Boarding
Crew
Food
Comfort
Entertainment
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Boarding
Crew
Food
Comfort
Entertainment
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$56 | Average$186 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$57 | Average$202 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$93 | Average$247 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$99 | Average$258 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$150 | Average$298 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$165 | Average$312 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$181 | Average$370 | FlexibilityNo cancel fee | On-time63% |