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Cheap Flights from Charleston (CHS) to San Juan (SJUA)

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Flight deals from Charleston to San Juan

Looking for a cheap last-minute deal or the best return flight from Charleston to San Juan? Find the lowest prices on one-way and return tickets right here.
San Juan.$333 per passenger.Departing Fri, 7 Nov, returning Mon, 10 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Charleston on Fri, 7 Nov, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Mon, 10 Nov, arriving in Charleston.Price includes taxes and charges.From $333, select.
San Juan.$333 per passenger.Departing Fri, 10 Oct, returning Sun, 19 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Charleston on Fri, 10 Oct, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Sun, 19 Oct, arriving in Charleston.Price includes taxes and charges.From $333, select.
San Juan.$338 per passenger.Departing Fri, 29 Aug, returning Thu, 4 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Charleston on Fri, 29 Aug, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Thu, 4 Sep, arriving in Charleston.Price includes taxes and charges.From $338, select.
San Juan.$375 per passenger.Departing Fri, 22 Aug, returning Fri, 29 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Charleston on Fri, 22 Aug, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Frontier Airlines, departs from San Juan Luis Munoz Marin on Fri, 29 Aug, arriving in Charleston.Price includes taxes and charges.From $375, select.
San Juan.$380 per passenger.Departing Sat, 17 Jan, returning Sat, 24 Jan.Return flight with United.Outbound indirect flight with United, departs from Charleston on Sat, 17 Jan, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with United, departs from San Juan Luis Munoz Marin on Sat, 24 Jan, arriving in Charleston.Price includes taxes and charges.From $380, select.
San Juan.$387 per passenger.Departing Tue, 23 Sep, returning Fri, 26 Sep.Return flight with United.Outbound indirect flight with United, departs from Charleston on Tue, 23 Sep, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with United, departs from San Juan Luis Munoz Marin on Fri, 26 Sep, arriving in Charleston.Price includes taxes and charges.From $387, select.
San Juan.$432 per passenger.Departing Thu, 30 Oct, returning Tue, 4 Nov.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Charleston on Thu, 30 Oct, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Southwest Airlines, departs from San Juan Luis Munoz Marin on Tue, 4 Nov, arriving in Charleston.Price includes taxes and charges.From $432, select.
San Juan.$576 per passenger.Departing Fri, 5 Dec, returning Wed, 10 Dec.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Charleston on Fri, 5 Dec, arriving in San Juan Luis Munoz Marin.Inbound indirect flight with Southwest Airlines, departs from San Juan Luis Munoz Marin on Wed, 10 Dec, arriving in Charleston.Price includes taxes and charges.From $576, select.

Find the cheapest month to fly from Charleston to San Juan

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Charleston to San Juan flights are currently cheapest in October.
Aug
from $375
Sep
from $387
Oct
from $333
Nov
from $333
Dec
from $576
Jan
from $380
Feb
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Mar
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Apr
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May
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Jun
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Jul
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Alternative Charleston to San Juan routes

Looking for the cheapest, fastest or easiest route from Charleston to San Juan? You could fly into the following airports instead.

Charleston to San Juan: Flight information

The things to know before you go.
Cheapest flight found$333
Cheapest month to flyOctober

Finding cheap flights from Charleston to San Juan: Frequently asked questions

There are 6 airports in San Juan: San Juan Isla Grande, San Juan Luis Munoz Marin, Roosevelt Roads, Ponce, Vieques, and Culebra.
The best price we found for a return flight from Charleston to San Juan is $333. 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 Charleston to San Juan. But we found flights with one or more stops from $333.
As of August 2025, there are no flights flying from Charleston to San Juan.
The cheapest month to fly from Charleston to San Juan is usually October.
If you're flying from Charleston Airport, the cheapest airport near San Juan is San Juan Luis Munoz Marin – which is 11.3 km away from the centre of San Juan. We've found flights into this airport from $333.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Charleston Airport to San Juan on Friday, 10 October 2025.
No airlines currently offer direct flights between Charleston Airport and San Juan. 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 San Juan 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 San Juan is around 40 days in advance, so don’t leave your flight to the last minute.
In August, the average temperature is usually around 28°C. August is typically the warmest month in San Juan, when it usually averages around 29°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging 23°C. The rainiest month is September.
Currently, Frontier Airlines offers the cheapest flight tickets to San Juan.

Travelling from Charleston International Airport (CHS) to San Juan: what you need to know

  • Charleston (the location of Charleston International Airport) and San Juan are in the same timezone — UTC-4.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This leaves you with plenty of time to catch your CHS to San Juan flight.

  • Travelling during a peak time like a bank holiday? Expect longer lines at security and check-in. To play it safe, arrive up to four hours before international flights and two hours before domestic departures.

  • A stopover is the perfect opportunity to break up your journey and perhaps even explore a different city. When browsing for flight tickets from CHS to San Juan, uncheck the 'Direct flights only' box to see where you can visit along the way. Here are some popular options to consider:

    • Hartsfield-Jackson Atlanta International Airport (ATL)

    • Charlotte Douglas International Airport (CLT)

    • Orlando International Airport (MCO)

  • The journey from central Charleston to CHS takes around 3 hours 35 minutes on public transport. If you drive, ride-share or get a cab, you'll cover the 16 kilometres in 30 minutes or so, depending on traffic conditions.

  • Looking for a hotel near CHS? If you're catching an early flight from Charleston International Airport to San Juan, these accommodation options put the terminal practically at your doorstep:

  • 81.5% of flights leaving Charleston International Airport land at their destination according to schedule. Given its strong on-time performance, you're unlikely to be delayed when flying out of CHS.

How to find the cheapest flights from Charleston International Airport (CHS) to San Juan

  • The best price we've found for a one-way Charleston International Airport to San Juan flight is $166. The cheapest price for a return flight is $333. Bear in mind fares may change due to demand at the time of booking.

  • To find cheap flights from CHS to San Juan, book as early as you can. Airlines usually offer lower prices when tickets are first released.

  • Landing cheap tickets from Charleston International Airport to San Juan is easier if you're flexible with your travel plans. Try using the 'Whole month' function to access the lowest prices across every month and snap up an awesome deal.

  • You don't need to check in daily to see if fares have dropped when you set up a Price Alert. We'll notify you when there's an even bigger deal on cheap flights from CHS to San Juan.

  • Save money on your flight from Charleston International Airport to San Juan with the help of our filters. Choose your ideal times, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

Airports in San Juan

Luis Munoz Marin International Airport (SJU)

  • Luis Munoz Marin International Airport (SJU) to the centre of San Juan takes about 10 minutes to reach by car. The centre is roughly 8 kilometres away.

  • It'll take around 55 minutes to get there using public transport.

  • The last thing you need is a long journey to your hotel if you're getting in late on a flight from Charleston International Airport to San Juan. Reserve one of these accommodation options near SJU instead:

  • Fast-track your adventure by picking up a Luis Munoz Marin International Airport rental car. Grab your wheels from Sixt, Ace Rent a Car or U-Save to explore San Juan and beyond.

  • Booking your vehicle from Luis Munoz Marin International Airport around two weeks ahead of your flight from CHS to San Juan can help you get the best possible rate.

Fernando Luis Ribas Dominicci Airport (SIG)

  • Once your flight from Charleston International Airport to San Juan has hit the tarmac, you can get to the city centre in about 15 minutes by car. Central San Juan is roughly 8 kilometres from Fernando Luis Ribas Dominicci Airport (SIG).

  • The trip will take about 1 hour on public transport.

  • You'll find some great places to rest your head close to SIG. Kick back and get cosy after your CHS to San Juan flight at any of these perfectly located options:

Best time to go to San Juan

  • Carefully consider your trip dates before booking your flight from Charleston International Airport to San Juan. The city comes alive during peak season, but rates are typically higher and top attractions can get busy. Go to San Juan in low season if you want a more relaxed vibe.

  • The warmest month in San Juan is September, with temperatures ranging between 23ºC (73ºF) and 33ºC (91ºF). Book your Charleston International Airport to San Juan flight ticket then if that's the weather you find most pleasant.

  • Search for cheap tickets from CHS to San Juan in February if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between 20ºC (68ºF) and 28ºC (82ºF) on average.

More about San Juan

  • Once you've booked your flight from Charleston International Airport to San Juan, find a hotel that keeps you close to what you want to see. Make one of these options your base for exploring San Juan:

  • There are so many things to discover in this city it can be hard to work out where to begin. La Garita del morro de san juan bahia, Castillo San Felipe del Morro and Fortaleza Street are leading attractions which should feature on every San Juan itinerary.

Explore more of Puerto Rico

  • You've seen San Juan, now it's time to discover more of Puerto Rico. Journey about 113 kilometres west to Aguadilla to check off its leading attractions. From El Parterre to Aguadilla Ice Skating Arena and Bandera de los Reyes Magos, you'll have a packed itinerary ahead.

  • If you're looking to explore another major stop in Puerto Rico, consider Isabela, roughly 105 kilometres west of San Juan. Amarillo Mango, Urb. Llanos Piscina Park and Noches de Artesania are highlights.

More travel options

Plan the rest of your trip from Charleston to San Juan

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.