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Cheap flights from Charleston to San Juan from $103

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 4/8. 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.
Spirit Airlines Logo
8:07 am - 6:55 pm
CHS
-
SJU
10h 48m
1 stop
Spirit Airlines Logo
3:36 pm - 9:49 pm
SJU
-
CHS
6h 13m
1 stop
$210Spirit Airlines
Wed, Apr 8 - Wed, Apr 22
Spirit Airlines Logo
8:07 am - 11:58 pm
CHS
-
SJU
15h 51m
1 stop
Spirit Airlines Logo
7:54 pm - 10:13 pm
SJU
-
CHS
26h 19m
1 stop
$224Spirit Airlines
Tue, Mar 17 - Tue, Mar 24
United Airlines Logo
9:40 am - 8:34 pm
CHS
-
SJU
10h 54m
1 stop
United Airlines Logo
7:20 am - 2:53 pm
SJU
-
CHS
7h 33m
1 stop
$227United Airlines
Tue, May 5 - Wed, May 6
American Airlines Logo
8:09 pm - 9:13 am
CHS
-
SJU
13h 04m
1 stop
American Airlines Logo
7:00 pm - 10:34 am
SJU
-
CHS
15h 34m
1 stop
$232American Airlines
Tue, Apr 14 - Tue, Apr 21
Spirit Airlines Logo
7:00 am - 8:49 pm
CHS
-
SJU
13h 49m
1 stop
Spirit Airlines Logo
3:36 pm - 9:49 pm
SJU
-
CHS
6h 13m
1 stop
$251Spirit Airlines
Sun, May 10 - Thu, May 14
American Airlines Logo
8:09 pm - 10:53 am
CHS
-
SJU
14h 44m
1 stop
American Airlines Logo
7:00 pm - 10:34 am
SJU
-
CHS
15h 34m
1 stop
$252American Airlines
Thu, Apr 23 - Tue, Apr 28
Spirit Airlines Logo
7:00 am - 8:49 pm
CHS
-
SJU
13h 49m
1 stop
Spirit Airlines Logo
3:36 pm - 9:49 pm
SJU
-
CHS
6h 13m
1 stop
$253Spirit Airlines
Sun, May 10 - Thu, May 14
Spirit Airlines Logo
8:07 am - 6:55 pm
CHS
-
SJU
10h 48m
1 stop
Spirit Airlines Logo
7:54 pm - 10:13 pm
SJU
-
CHS
26h 19m
1 stop
$254Spirit Airlines
Wed, Mar 18 - Wed, Mar 25
Spirit Airlines Logo
8:07 am - 6:55 pm
CHS
-
SJU
10h 48m
1 stop
Spirit Airlines Logo
7:54 pm - 10:13 pm
SJU
-
CHS
26h 19m
1 stop
$255Spirit Airlines
Sun, Mar 22 - Tue, Mar 31
Spirit Airlines Logo
8:07 am - 6:55 pm
CHS
-
SJU
10h 48m
1 stop
Spirit Airlines Logo
7:54 pm - 10:13 pm
SJU
-
CHS
26h 19m
1 stop
$256Spirit Airlines
Tue, Mar 24 - Tue, Apr 7

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
Apr 8
CHS8:07 amCharleston
10h 48m
1 stop
SJU6:55 pmSan Juan Luis Munoz Marin Intl
Apr 22
SJU3:36 pmSan Juan Luis Munoz Marin Intl
6h 13m
1 stop
CHS9:49 pmCharleston
$210
Spirit Airlines
Mar 17
CHS8:07 amCharleston
15h 51m
1 stop
SJU11:58 pmSan Juan Luis Munoz Marin Intl
Mar 24
SJU7:54 pmSan Juan Luis Munoz Marin Intl
26h 19m
1 stop
CHS10:13 pmCharleston
$224
Spirit Airlines
May 10
CHS7:00 amCharleston
13h 49m
1 stop
SJU8:49 pmSan Juan Luis Munoz Marin Intl
May 14
SJU3:36 pmSan Juan Luis Munoz Marin Intl
6h 13m
1 stop
CHS9:49 pmCharleston
$251

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
May 5
CHS9:40 amCharleston
10h 54m
1 stop
SJU8:34 pmSan Juan Luis Munoz Marin Intl
May 6
SJU7:20 amSan Juan Luis Munoz Marin Intl
7h 33m
1 stop
CHS2:53 pmCharleston
$227
United Airlines
May 5
CHS2:48 pmCharleston
6h 36m
1 stop
SJU9:24 pmSan Juan Luis Munoz Marin Intl
May 6
SJU7:20 amSan Juan Luis Munoz Marin Intl
7h 33m
1 stop
CHS2:53 pmCharleston
$317

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 February 21, 2026.
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

Wed 4/8

8:07 am-6:55 pm

1 stop10h 48m

San Juan Luis Munoz Marin Intl

Wed 4/22

3:36 pm-9:49 pm

1 stop6h 13m

$210

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Tue 3/17

8:07 am-11:58 pm

1 stop15h 51m

San Juan Luis Munoz Marin Intl

Tue 3/24

7:54 pm-10:13 pm

1 stop26h 19m

$224

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Tue 5/5

9:40 am-8:34 pm

1 stop10h 54m

San Juan Luis Munoz Marin Intl

Wed 5/6

7:20 am-2:53 pm

1 stop7h 33m

$227

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Tue 4/14

8:09 pm-9:13 am

1 stop13h 04m

San Juan Luis Munoz Marin Intl

Tue 4/21

7:00 pm-10:34 am

1 stop15h 34m

$232

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Sun 5/10

7:00 am-8:49 pm

1 stop13h 49m

San Juan Luis Munoz Marin Intl

Thu 5/14

3:36 pm-9:49 pm

1 stop6h 13m

$251

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Thu 4/23

8:09 pm-10:53 am

1 stop14h 44m

San Juan Luis Munoz Marin Intl

Tue 4/28

7:00 pm-10:34 am

1 stop15h 34m

$252

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Sun 5/10

7:00 am-8:49 pm

1 stop13h 49m

San Juan Luis Munoz Marin Intl

Thu 5/14

3:36 pm-9:49 pm

1 stop6h 13m

$253

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Wed 3/18

8:07 am-6:55 pm

1 stop10h 48m

San Juan Luis Munoz Marin Intl

Wed 3/25

7:54 pm-10:13 pm

1 stop26h 19m

$254

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Sun 3/22

8:07 am-6:55 pm

1 stop10h 48m

San Juan Luis Munoz Marin Intl

Tue 3/31

7:54 pm-10:13 pm

1 stop26h 19m

$255

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Tue 3/24

8:07 am-6:55 pm

1 stop10h 48m

San Juan Luis Munoz Marin Intl

Tue 4/7

7:54 pm-10:13 pm

1 stop26h 19m

$256

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Juan from

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 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 October, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $391.

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 $449 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 $235 on momondo.

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

You could potentially save up to 46% 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 February 2026, prices for Charleston to San Juan Luis Munoz Marin Intl Airport flights are approximately 29% cheaper 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

5h 12m

Direct flights

None
The fastest flight from Charleston to San Juan Luis Munoz Marin Intl Airport takes 5h 12m
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 5h 12m, 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
5.7
3,045 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $113Free CancellationRating
6.3
8,483 reviews
Search Spirit Airlines flights
JetBluePriceFrom $172Free CancellationRating
7.2
2,898 reviews
Search JetBlue flights
United AirlinesPriceFrom $202Free CancellationRating
7.4
9,341 reviews
Search United Airlines flights
DeltaPriceFrom $221Free CancellationRating
7.9
8,241 reviews
Search Delta flights
American AirlinesPriceFrom $277Free CancellationRating
7.2
11,338 reviews
Search American Airlines flights
SouthwestPriceFrom $371Free CancellationRating
8.0
4,299 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
Caguas
Rio Grande
Humacao
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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