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Cheap flights from Boise to Charleston

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      Compare Boise to Charleston flight deals

      Find the cheapest month or even day of the year to fly to Charleston

      Book the best Charleston fare with no extra fees

      Flight deals from Boise to Charleston

      Looking for a cheap last-minute deal or the best round-trip flight from Boise Airport to Charleston Airport? If you want to travel next month, round-trip fares start from $322. Find the lowest prices on one-way and round-trip tickets right here.
      Charleston.$260 per passenger.Departing Tue, Sep 8, returning Mon, Sep 14.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Boise on Tue, Sep 8, arriving in Charleston.Inbound indirect flight with Delta, departing from Charleston on Mon, Sep 14, arriving in Boise.Price includes taxes and charges.From $260, select.
      Charleston.$322 per passenger.Departing Thu, Aug 13, returning Wed, Aug 19.Round-trip flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departing from Boise on Thu, Aug 13, arriving in Charleston.Inbound indirect flight with Southwest Airlines, departing from Charleston on Wed, Aug 19, arriving in Boise.Price includes taxes and charges.From $322, select.
      Charleston.$424 per passenger.Departing Fri, Nov 13, returning Tue, Nov 17.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Boise on Fri, Nov 13, arriving in Charleston.Inbound indirect flight with Delta, departing from Charleston on Tue, Nov 17, arriving in Boise.Price includes taxes and charges.From $424, select.
      Charleston.$456 per passenger.Departing Wed, May 5, returning Sun, May 9.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Boise on Wed, May 5, arriving in Charleston.Inbound indirect flight with Delta, departing from Charleston on Sun, May 9, arriving in Boise.Price includes taxes and charges.From $456, select.
      Charleston.$558 per passenger.Departing Tue, Jul 28, returning Sat, Aug 1.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Boise on Tue, Jul 28, arriving in Charleston.Inbound indirect flight with Delta, departing from Charleston on Sat, Aug 1, arriving in Boise.Price includes taxes and charges.From $558, select.
      Charleston.$732 per passenger.Departing Mon, Jul 20, returning Mon, Jul 27.Round-trip flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departing from Boise on Mon, Jul 20, arriving in Charleston.Inbound indirect flight with Southwest Airlines, departing from Charleston on Mon, Jul 27, arriving in Boise.Price includes taxes and charges.From $732, select.

      Find the cheapest month to fly from Boise to Charleston

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boise to Charleston flights are currently cheapest in September.
      Jul
      from $732
      Aug
      from $322
      Sep
      from $260
      Oct
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      Nov
      from $424
      Dec
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      Jan
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      Feb
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      Mar
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      Apr
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      May
      from $456
      Jun
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      Boise to Charleston: Alternative routes

      Compare routes from Boise to Charleston below. You may find an airport to fly into that's cheaper, faster, or easier than Charleston.

      Charleston

      17km from central Charleston
      ClosestCheapest
      from $261
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      Boise to Charleston: Flight information

      The things to know before you go.
      Cheapest flight found$261
      Cheapest month to flySeptember

      Finding cheap flights from Boise to Charleston: Frequently asked questions

      The best price we found for a round-trip flight from Boise to Charleston is $261. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      Currently, there are no airlines that fly direct from Boise to Charleston. But we found flights with one or more stops from $260.
      There are no flights flying from Boise to Charleston, as of July 2026.
      The cheapest month to fly from Boise to Charleston is usually September.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Boise Airport to Charleston Airport on Tuesday, September 8, 2026.
      No airlines currently offer direct flights between Boise Airport and Charleston Airport. Most routes have one or more stops.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Charleston but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Charleston is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, Delta offers the cheapest flight tickets to Charleston.

      Flying from Boise Airport (BOI) to Charleston Airport (CHS): what you need to know

      • Charleston's timezone is UTC-5, making Charleston two hours ahead of Boise.

      • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for stress-free travel. Be at the airport with enough time to board your BOI to CHS flight.

      • Be prepared for longer queues during popular months such as October. Arriving up to four hours in advance for an international flight and two hours for a domestic departure is a good idea.

      • We make it a piece of cake to book a flight with a stopover. To see your options for tickets from Boise Airport to Charleston Airport, uncheck 'Direct flights only.' Then, pick a flight with a stop long enough to explore the city of your choice. Popular stopovers between BOI and CHS include:

        • Atlanta Hartsfield-Jackson Airport

        • Dallas Fort Worth International Airport

        • Denver International Airport

      How to find the cheapest flights from Boise Airport (BOI) to Charleston Airport (CHS)

      • $130 is currently the best price for a one-way Boise Airport to Charleston Airport flight. Return flights start at $261. These prices can change depending on availability and demand.

      • Don't wait until the last moment. You're more likely to get cheap tickets from BOI to CHS if you book early. Airlines often offer some fantastic early bird discounts.

      • Finding cheap flights from Boise Airport to Charleston Airport is easier if you can be flexible with your trip dates. Use the 'Whole month' function to see the lowest prices across every month and bag a great deal.

      • You won't have to check back in every day to see if fares have gone down when you create a Price Alert. We'll send you an update the moment there's a new deal on cheap flights from BOI to CHS.

      • Secure the ideal flight for you by using the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Boise Airport to Charleston Airport, use the 'Sort by' tool. You can also filter by arrival and departure times, airline, and number of stops.

      Handy information about Boise Airport (BOI)

      • BOI is located at 3201 Airport Way.

      • 84% of flights departing from Boise Airport arrive at their destination according to schedule. With its impressive on-time stats, delays are unlikely when taking off from BOI.

      • To get to Boise Airport from central Boise, it takes about 15 minutes if you're going by car. Of course, this depends on traffic conditions. It's approximately 6 kilometers from the airport to the city center.

      • Catching public transport? Expect a journey time of around 30 minutes.

      • Need a handy hotel close to BOI? If you've booked an early flight from Boise Airport to Charleston Airport, these stays will put you moments from your departure lounge:

      Arriving at Charleston Airport (CHS)

      When to fly to Charleston Airport (CHS)

      • The quietest month for a flight from Boise Airport to Charleston Airport is March, while July is the most popular. Choose the ideal time to go to Charleston based on whether you prefer a bustling atmosphere or a more laid-back vibe.

      • The warmest month in Charleston is July, with the temperature ranging between 24ºC (75ºF) and 32ºC (90ºF). Book your flights from Boise Airport to Charleston Airport in this month if this is the kind of weather you like.

      • Search for cheap tickets from BOI to CHS in January if you like traveling in cooler conditions. Temperatures are at their lowest then, ranging between 4ºC (39ºF) and 17ºC (63ºF) on average.

      Explore more of the United States

      • Charleston has plenty going for it, but there are so many other parts of the United States you should also see. About 322 kilometers south-west of Charleston, a visit to Jacksonville will keep your itinerary packed. Start with leading sights like St. John's Cathedral, Museum of Contemporary Art Jacksonville and The Cummer Museum of Art & Gardens.

      • Around 290 kilometers north of Charleston, Charlotte is another favorite stop in the United States. Get a taste of what this destination has to offer at Bechtler Museum of Modern Art, Discovery Place and NASCAR Hall of Fame.

      Plan the rest of your trip from Boise to Charleston

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.