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Cheap flights from Charleston to San Juan from $102

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Charleston to San Juan departing on 1/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Charleston to San Juan

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:05 pm - 3:13 am
CHS
-
SJU
9h 08m1 stop
Multiple Airlines Logo
6:00 am - 5:36 pm
SJU
-
CHS
12h 36m1 stop
$160Multiple Airlines
Fri, Jan 9 - Thu, Jan 15
Multiple Airlines Logo
6:35 pm - 4:14 pm
CHS
-
SJU
20h 39m2 stops
Multiple Airlines Logo
6:00 am - 5:36 pm
SJU
-
CHS
12h 36m1 stop
$192Multiple Airlines
Fri, Jan 9 - Thu, Jan 15
United Airlines Logo
2:58 pm - 10:22 pm
CHS
-
SJU
6h 24m1 stop
United Airlines Logo
2:05 am - 11:40 am
SJU
-
CHS
10h 35m1 stop
$221United Airlines
Tue, Jan 20 - Fri, Jan 23
Spirit Airlines Logo
6:35 pm - 9:47 am
CHS
-
SJU
14h 12m2 stops
Spirit Airlines Logo
2:59 am - 5:36 pm
SJU
-
CHS
15h 37m2 stops
$241Spirit Airlines
Thu, Feb 5 - Sat, Feb 7
Multiple Airlines Logo
5:05 pm - 3:25 am
CHS
-
SJU
9h 20m1 stop
Multiple Airlines Logo
8:05 pm - 8:38 am
SJU
-
CHS
13h 33m1 stop
$250Multiple Airlines
Mon, Jan 19 - Mon, Jan 26
Multiple Airlines Logo
5:05 pm - 3:25 am
CHS
-
SJU
9h 20m1 stop
Multiple Airlines Logo
2:59 am - 5:36 pm
SJU
-
CHS
15h 37m2 stops
$255Multiple Airlines
Mon, Jan 19 - Sun, Jan 25
Multiple Airlines Logo
3:01 pm - 11:33 pm
CHS
-
SJU
7h 32m1 stop
Multiple Airlines Logo
7:10 am - 5:36 pm
SJU
-
CHS
35h 26m2 stops
$256Multiple Airlines
Tue, Jan 20 - Sat, Jan 24
JetBlue Logo
11:47 am - 7:24 pm
CHS
-
SJU
6h 37m1 stop
JetBlue Logo
11:59 pm - 10:56 am
SJU
-
CHS
11h 57m1 stop
$263JetBlue
Mon, Feb 23 - Fri, Feb 27
JetBlue Logo
1:35 pm - 8:02 pm
CHS
-
SJU
5h 27m1 stop
JetBlue Logo
6:00 am - 8:30 am
SJU
-
CHS
27h 30m1 stop
$264JetBlue
Thu, Feb 5 - Thu, Feb 12
Multiple Airlines Logo
5:05 pm - 4:22 pm
CHS
-
SJU
22h 17m1 stop
Multiple Airlines Logo
5:25 pm - 3:55 pm
SJU
-
CHS
47h 30m2 stops
$267Multiple Airlines
Sat, Feb 7 - Tue, Feb 17

United Airlines flights from Charleston to San Juan Luis Munoz Marin Intl Airport

Our best United Airlines deals on Charleston to San Juan Luis Munoz Marin Intl Airport flight tickets
United Airlines
Jan 20
CHS2:58 pmCharleston
6h 24m
1 stop
SJU10:22 pmSan Juan Luis Munoz Marin Intl
Jan 23
SJU2:05 amSan Juan Luis Munoz Marin Intl
10h 35m
1 stop
CHS11:40 amCharleston
$221
Find similar
United Airlines
Jan 8
CHS6:30 amCharleston
9h 06m
1 stop
SJU4:36 pmSan Juan Luis Munoz Marin Intl
Jan 13
SJU7:45 amSan Juan Luis Munoz Marin Intl
9h 32m
1 stop
CHS4:17 pmCharleston
$283
Find similar

Spirit Airlines flights from Charleston to San Juan Luis Munoz Marin Intl Airport

Our best Spirit Airlines deals on Charleston to San Juan Luis Munoz Marin Intl Airport flight tickets
Spirit Airlines
Feb 5
CHS6:35 pmCharleston
14h 12m
2 stops
SJU9:47 amSan Juan Luis Munoz Marin Intl
Feb 7
SJU2:59 amSan Juan Luis Munoz Marin Intl
15h 37m
2 stops
CHS5:36 pmCharleston
$241
Find similar
Spirit Airlines
Jan 19
CHS5:05 pmCharleston
21h 30m
2 stops
SJU3:35 pmSan Juan Luis Munoz Marin Intl
Jan 25
SJU2:59 amSan Juan Luis Munoz Marin Intl
15h 37m
2 stops
CHS5:36 pmCharleston
$268
Find similar
Spirit Airlines
Jan 17
CHS6:35 pmCharleston
16h 52m
2 stops
SJU12:27 pmSan Juan Luis Munoz Marin Intl
Jan 22
SJU11:52 amSan Juan Luis Munoz Marin Intl
30h 44m
3 stops
CHS5:36 pmCharleston
$287
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Charleston to San Juan Luis Munoz Marin Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 23, 2025.
Use the filters below to find and compare flights from Charleston to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Fri 1/9

5:05 pm-3:13 am

1 stop9h 08m

San Juan Luis Munoz Marin Intl

Thu 1/15

6:00 am-5:36 pm

1 stop12h 36m

$160

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Fri 1/9

6:35 pm-4:14 pm

2 stops20h 39m

San Juan Luis Munoz Marin Intl

Thu 1/15

6:00 am-5:36 pm

1 stop12h 36m

$192

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Tue 1/20

2:58 pm-10:22 pm

1 stop6h 24m

San Juan Luis Munoz Marin Intl

Fri 1/23

2:05 am-11:40 am

1 stop10h 35m

$221

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Thu 2/5

6:35 pm-9:47 am

2 stops14h 12m

San Juan Luis Munoz Marin Intl

Sat 2/7

2:59 am-5:36 pm

2 stops15h 37m

$241

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Mon 1/19

5:05 pm-3:25 am

1 stop9h 20m

San Juan Luis Munoz Marin Intl

Mon 1/26

8:05 pm-8:38 am

1 stop13h 33m

$250

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Mon 1/19

5:05 pm-3:25 am

1 stop9h 20m

San Juan Luis Munoz Marin Intl

Sun 1/25

2:59 am-5:36 pm

2 stops15h 37m

$255

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Tue 1/20

3:01 pm-11:33 pm

1 stop7h 32m

San Juan Luis Munoz Marin Intl

Sat 1/24

7:10 am-5:36 pm

2 stops35h 26m

$256

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Mon 2/23

11:47 am-7:24 pm

1 stop6h 37m

San Juan Luis Munoz Marin Intl

Fri 2/27

11:59 pm-10:56 am

1 stop11h 57m

$263

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Thu 2/5

1:35 pm-8:02 pm

1 stop5h 27m

San Juan Luis Munoz Marin Intl

Thu 2/12

6:00 am-8:30 am

1 stop27h 30m

$264

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Sat 2/7

5:05 pm-4:22 pm

1 stop22h 17m

San Juan Luis Munoz Marin Intl

Tue 2/17

5:25 pm-3:55 pm

2 stops47h 30m

$267

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Charleston to San Juan Luis Munoz Marin Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Charleston and San Juan Luis Munoz Marin Intl Airport?

What is the cheapest month to fly to San Juan Luis Munoz Marin Intl Airport?

If you aren’t able to travel to San Juan Luis Munoz Marin Intl Airport during the month of January, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $371.

What is the cheapest day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

On average, the least expensive day to fly to San Juan Luis Munoz Marin Intl Airport from Charleston is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $352. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Thursday 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 $484.

What is the cheapest time of day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

The cheapest time of day to fly to San Juan Luis Munoz Marin Intl Airport is in the evening when flights can be purchased for as low as $321. Flights in the afternoon are often more expensive with an average ticket price of $455.

How far in advance should I book a flight to San Juan Luis Munoz Marin Intl Airport?

You are more likely to see cheaper flights to San Juan Luis Munoz Marin Intl Airport from Charleston when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan Luis Munoz Marin Intl Airport for around $448 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan Luis Munoz Marin Intl Airport from Charleston for as low as $212 on momondo.

Can stopping save me money on Charleston to San Juan Luis Munoz Marin Intl Airport flights?

You could potentially save up to 51% on your flight if you consider stops on a Charleston to San Juan Luis Munoz Marin Intl Airport flight.

How have Charleston to San Juan Luis Munoz Marin Intl Airport flight prices changed over time?

As of December 2025, prices for Charleston to San Juan Luis Munoz Marin Intl Airport flights are approximately 147% more expensive when compared to flights at the same time last year.

When to book flights from Charleston to San Juan Luis Munoz Marin Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Charleston to San Juan Luis Munoz Marin Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Charleston to San Juan Luis Munoz Marin Intl Airport (CHS to SJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Charleston to San Juan Luis Munoz Marin Intl Airport

Fastest flight time

4h 53m

Direct flights

None
The fastest flight from Charleston to San Juan Luis Munoz Marin Intl Airport takes 4h 53m
There are no direct flights from Charleston to San Juan Luis Munoz Marin Intl Airport. There are no popular flight routes from Charleston to San Juan Luis Munoz Marin Intl Airport.
Search flight deals

  • How far is Charleston to San Juan Luis Munoz Marin Intl by plane?

    San Juan Luis Munoz Marin Intl is 1313.3 mi away from Charleston. Flights usually cover this in 4h 53m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Charleston Airport to San Juan Luis Munoz Marin Intl Airport?

    Prices for flights from Charleston Airport to San Juan Luis Munoz Marin Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Charleston Airport to San Juan Luis Munoz Marin Intl Airport?

  • How old do you have to be to fly from Charleston Airport to San Juan Luis Munoz Marin Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Charleston Airport to San Juan Luis Munoz Marin Intl Airport.

  • What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?

    The travel and health documents required for your trip to San Juan Luis Munoz Marin Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Juan Luis Munoz Marin Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Charleston to San Juan Luis Munoz Marin Intl Airport?

Best airlines flying from Charleston to San Juan Luis Munoz Marin Intl Airport

Compare and see reviews for airlines that fly from Charleston to San Juan Luis Munoz Marin Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $84Free CancellationRating
5.8
3,074 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $129Free CancellationRating
6.3
8,194 reviews
Search Spirit Airlines flights
JetBluePriceFrom $192Free CancellationRating
7.2
2,898 reviews
Search JetBlue flights
DeltaPriceFrom $241Free CancellationRating
7.9
8,015 reviews
Search Delta flights
United AirlinesPriceFrom $271Free CancellationRating
7.4
9,106 reviews
Search United Airlines flights
American AirlinesPriceFrom $289Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
SouthwestPriceFrom $371Free CancellationRating
8.0
4,255 reviews
Search Southwest flights

Traveling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Carolina
Fajardo
Dorado
Luquillo
Humacao
Caguas
Rio Grande
Bayamón

Why use momondo?

Why should I use momondo to find a flight deal from Charleston to San Juan?

Finding the right flight to San Juan from Charleston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Juan quick and easy, saving you time and money.

Can I find flights from Charleston to San Juan with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Charleston to San Juan flights to just show those with flexible booking policies.

How can momondo help me find flights from Charleston to San Juan?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Juan from Charleston.

I’m not ready to book a flight from Charleston to San Juan right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Juan, momondo offers a useful price alert feature which will track prices for flights to San Juan from Charleston and alert you when they change.

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