$94 Cheap Spirit Airlines flights Boston (BOS) to Charleston (CHS)

You’ll find affordable return Spirit Airlines flights from $175 from BOS to CHS by sorting your results from “Price (lowest to highest)” on Expedia. Or look for bargains from $94 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Look for one-way or return flights to Charleston in January or December. You could find an affordable fare with Spirit Airlines during these off-season months.

Search for cheap Spirit Airlines flights from Logan Intl. Airport (BOS) to Charleston Intl. Airport (CHS) one to three months ahead of your day of departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare class and journey, the ideal day to book a domestic flight is usually Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Select our “Nonstop” filter when searching for direct Spirit Airlines flights from BOS to CHS. You’ll also be able to compare other carriers servicing the same direct trip.

Sort your results by “Morning” and “Early Morning” to find the earliest departures from BOS to CHS. Heading off early means flight cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Spirit Airlines flights from Logan Intl. Airport (BOS) to Charleston come in to Charleston Intl. Airport (CHS). This is the main entry point to this destination.

With a rewarding loyalty program, Spirit Airlines is a favorite of many travelers departing from BOS to CHS. Plus, as a Free Spirit and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights along with your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are often free within 24 hours of booking, but your airline may add a charge after that. For more details about modifying your reservation, go to your “Trips,” select your flight and click on “Manage Booking.” If you want the freedom to make changes without additional charges, apply the “No cancel fee” or “Changes included” filter when planning your next break.