$69 Cheap Flights from Boston (BOS) to Charleston (CHS)

View $69 flight on Tue, May 6, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Boston to Charleston (BOS-CHS)

Prices were available within the past 7 days and start at $69 for one-way flights and $115 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Sun, Apr 27 - Mon, May 12
BOS
Boston
CHS
Charleston
$115 Roundtrip, found 6 days ago
$115
Roundtrip
found 6 days ago
Select Spirit Airlines flight, departing Sun, Apr 27 from Boston to Charleston, returning Mon, May 12, priced at $115 found 6 days ago
Spirit Airlines
Fri, Oct 24 - Mon, Oct 27
BOS
Boston
CHS
Charleston
$120 Roundtrip, found 5 days ago
$120
Roundtrip
found 5 days ago
Select Spirit Airlines flight, departing Fri, Oct 24 from Boston to Charleston, returning Mon, Oct 27, priced at $120 found 5 days ago
Spirit Airlines
Sat, May 3 - Fri, May 16
BOS
Boston
CHS
Charleston
$127 Roundtrip, found 5 days ago
$127
Roundtrip
found 5 days ago
Select Spirit Airlines flight, departing Sat, May 3 from Boston to Charleston, returning Fri, May 16, priced at $127 found 5 days ago
Spirit Airlines
Sun, May 4 - Thu, May 15
BOS
Boston
CHS
Charleston
$137 Roundtrip, found 1 day ago
$137
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Sun, May 4 from Boston to Charleston, returning Thu, May 15, priced at $137 found 1 day ago
Spirit Airlines
Tue, May 6 - Mon, May 12
BOS
Boston
CHS
Charleston
$142 Roundtrip, found 1 hour ago
$142
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Tue, May 6 from Boston to Charleston, returning Mon, May 12, priced at $142 found 1 hour ago
Spirit Airlines
Fri, May 9 - Sat, May 10
BOS
Boston
CHS
Charleston
$144 Roundtrip, found 1 day ago
$144
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Fri, May 9 from Boston to Charleston, returning Sat, May 10, priced at $144 found 1 day ago
JetBlue Airways
Mon, Jun 30 - Thu, Jul 3
BOS
Boston
CHS
Charleston
$147 Roundtrip, just found
$147
Roundtrip
just found
Select JetBlue Airways flight, departing Mon, Jun 30 from Boston to Charleston, returning Thu, Jul 3, priced at $147 just found
Delta
Mon, Jun 30 - Thu, Jul 3
BOS
Boston
CHS
Charleston
$147 Roundtrip, just found
$147
Roundtrip
just found
Select Delta flight, departing Mon, Jun 30 from Boston to Charleston, returning Thu, Jul 3, priced at $147 just found
American Airlines
Fri, May 9 - Mon, May 12
BOS
Boston
CHS
Charleston
$166 Roundtrip, just found
$166
Roundtrip
just found
Select American Airlines flight, departing Fri, May 9 from Boston to Charleston, returning Mon, May 12, priced at $166 just found
United
Tue, May 13 - Tue, May 20
BOS
Boston
CHS
Charleston
$172 Roundtrip, just found
$172
Roundtrip
just found
Select United flight, departing Tue, May 13 from Boston to Charleston, returning Tue, May 20, priced at $172 just found
Flights from Boston (BOS) to Charleston (CHS)
Origin airport
Logan Intl.
Destination airport
Charleston Intl.
Airlines serving
American Airlines, Delta, JetBlue Airways, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$80
Distance
819 mi

Boston to Charleston Flights

The cheapest times to fly from Boston to Charleston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Boston to Charleston are during the month of April. You can find some of the cheapest flights from Boston to Charleston with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Boston to Charleston

Sunday is one of the best days to book for cheap flights from Boston to Charleston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Boston to Charleston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Boston to Charleston in 2025. You can also book with separate airlines for your outbound and return journeys, from $69 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Boston to Charleston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Boston to Charleston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to Charleston Intl. Airport (CHS) cost?
Cheap return fares from Logan Intl. Airport (BOS) to Charleston Intl. Airport (CHS) start at $80. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Spirit Airlines flight leaving BOS on May 6 2025 and touching down at CHS. The price was last updated on April 22 2025 and has not changed since.
What is the cheapest month to fly from BOS to CHS?
The cheapest flights from BOS to CHS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Logan Intl. Airport (BOS) to Charleston Intl. Airport (CHS)?
If you’re departing from Logan Intl. Airport (BOS), you can hop on a nonstop flight to Charleston Intl. Airport (CHS) with Delta Air Lines.
What is the cheapest airline that flies from BOS to CHS?
With tickets starting at $40 for a one-way flight from BOS to CHS, Spirit Airlines is currently the cheapest carrier operating this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from BOS on May 6 2025. Prices were last updated on April 22 2025 and have not changed since.
How many flights per day from Logan Intl. Airport (BOS) to Charleston Intl. Airport (CHS)?
With an average of 2 direct flights departing from Logan Intl. Airport (BOS) to Charleston Intl. Airport (CHS) each day, you’ll be on your way in no time.
What are the most popular departure times for flights from Logan Intl. Airport (BOS) to Charleston Intl. Airport (CHS)?
The 9 AM departures from BOS to CHS are the busiest. They can also be more expensive. If you’re looking to save, choose a less crowded time to fly.
What day of the week has the most flights from BOS to CHS?
Friday offers the most flights from Logan Intl. Airport (BOS) to Charleston Intl. Airport (CHS). Consider leaving on this day and you’ll have the best chance of finding a departure that fits your plans.
What is the earliest flight from Logan Intl. Airport (BOS) to Charleston Intl. Airport (CHS)?
Take the earliest flight at around 9:00AM UTC-5, heading out of Logan Intl. Airport (BOS). You’ll be traveling for roughly 2h 40m, landing at Charleston Intl. Airport (CHS) at approximately 11:40AM UTC-5.
How long does it take to fly from Logan Intl. Airport (BOS) to Charleston Intl. Airport (CHS)?
Flights from BOS to CHS have an average travel time of 2 hours and 38 minutes. The total distance between the two is 820 mi.
What airline has the least delays from BOS to CHS?
With 89% of flights usually arriving on schedule, Delta Air Lines has the best on-time performance for nonstop flights from Logan Intl. Airport (BOS) to Charleston Intl. Airport (CHS). To check your flight status and receive notifications about any changes, head to the Expedia App.
What is the best time to fly from Logan Intl. Airport (BOS) to Charleston Intl. Airport (CHS)?
To avoid potential delays on the Logan Intl. Airport (BOS) to Charleston Intl. Airport (CHS) route, aim to travel before 3 PM. Later departures have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Charleston from Logan Intl. Airport (BOS)?
Charleston Intl. Airport (CHS) is the only airport in Charleston with direct flights from Logan Intl. Airport (BOS). Browse your options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Logan Intl. Airport (BOS) to Charleston Intl. Airport (CHS) last-minute?
Booking your ticket from BOS to CHS just before your journey is generally more expensive. But if there’s some wiggle room with your schedule, you could snag a cheap last-minute fare.
Is it cheaper to book a BOS to CHS flight and hotel package?
You can save money by securing a BOS to CHS flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it’s simple to manage everything in one convenient place. After selecting your preferred accommodations and flights, you can add extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Charleston Intl. Airport (CHS)?
Typically, you can reschedule or cancel your BOS to CHS flight. However, there may be additional charges, especially if you booked over 24 hours ago. Check your itinerary for the airline’s fees and policies on flight changes, or if you want more details, head to our Customer Service portal.

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*Available to One Key members.