Cheap flights from Charleston to Portland from $99

The cheapest month to fly to Portland, Maine from Charleston is in January. Flight prices, which tend to average around $98, are often lower during this time because this is during the off-season. If you aren’t able to travel to Portland, Maine during the month of January, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $238.

On average, the least expensive day to fly to Portland, Maine from Charleston is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $152. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Charleston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $332.

At noon is the cheapest time of day to fly from Charleston to Portland, Maine when you can find flight prices for as low as $203. Flying to Portland, Maine at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around $214. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Charleston to Portland for the best Charleston - Portland flight prices

You are more likely to see cheaper flights to Portland, Maine from Charleston when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland, Maine for around $295 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland, Maine from Charleston for as low as $171 on momondo.

There are 2 cabin classes available to choose from on Charleston to Portland, Maine flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Charleston to Portland, Maine.

As of October 2026, prices for Charleston to Portland, Maine flights are approximately 0% more expensive when compared to flights at the same time last year.

Breeze Airways is the most popular carrier operating from Charleston to Portland

JetBlue, Delta and American Airlines are the top three most popular airlines that fly to Portland, Maine from Charleston according to our data. JetBlue is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Portland, Maine. Keep in mind that there are 6 different airlines that fly to Portland, Maine on a routine basis, so you have a few additional options to choose from.

Washington, D.C. (IAD) was the most common stop: 75% of momondo users choosing 1-stop flights on this route connected there.

Flights via New York (LGA) offer the lowest average round-trip price of $304.

Flights connecting via Washington, D.C. (IAD) have the shortest average one-way travel time: 4h 04m.

New York (LGA) has the shortest average layover time for this route: 0h 59m.