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Cheap flights from Charleston to San Juan from $92

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 8/11. 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

Frontier Logo
3:31 pm - 11:58 pmCHS-SJU
8h 27m1 stop
Frontier Logo
1:11 am - 2:36 pmSJU-CHS
13h 25m1 stop
$218Frontier
Find Deal
Fri, Oct 24 - Sun, Oct 26
Frontier Logo
3:26 pm - 11:23 pmCHS-SJU
7h 57m1 stop
Frontier Logo
12:28 am - 2:31 pmSJU-CHS
14h 03m1 stop
$219Frontier
Find Deal
Thu, Sep 18 - Sat, Sep 20
Spirit Airlines Logo
12:10 pm - 2:11 pmCHS-SJU
26h 01m2 stops
Spirit Airlines Logo
2:48 pm - 8:15 amSJU-CHS
17h 27m1 stop
$250Spirit Airlines
Find Deal
Thu, Sep 25 - Sun, Sep 28
American Airlines Logo
10:10 am - 6:14 pmCHS-SJU
8h 04m1 stop
American Airlines Logo
12:01 pm - 11:37 pmSJU-CHS
11h 36m1 stop
$251American Airlines
Find Deal
Wed, Sep 24 - Wed, Oct 1
Spirit Airlines Logo
12:10 pm - 2:11 pmCHS-SJU
26h 01m2 stops
Spirit Airlines Logo
1:59 am - 11:05 amSJU-CHS
9h 06m2 stops
$253Spirit Airlines
Find Deal
Thu, Sep 18 - Sat, Sep 20
Delta Logo
2:55 pm - 10:00 pmCHS-SJU
7h 05m1 stop
Delta Logo
7:15 am - 3:09 pmSJU-CHS
7h 54m1 stop
$261Delta
Find Deal
Sat, Oct 4 - Sat, Oct 11
Delta Logo
4:14 pm - 9:59 pmCHS-SJU
5h 45m1 stop
Delta Logo
1:51 pm - 6:56 pmSJU-CHS
6h 05m1 stop
$294Delta
Find Deal
Sat, Nov 1 - Thu, Nov 6
American Airlines Logo
5:38 am - 6:15 pmCHS-SJU
12h 37m1 stop
American Airlines Logo
3:55 pm - 8:15 amSJU-CHS
16h 20m2 stops
$322American Airlines
Find Deal
Tue, Sep 2 - Wed, Sep 24
JetBlue Logo
6:19 pm - 3:55 amCHS-SJU
8h 36m1 stop
JetBlue Logo
1:59 am - 11:19 amSJU-CHS
10h 20m1 stop
$334JetBlue
Find Deal
Sat, Jan 10 - Fri, Jan 16
JetBlue Logo
9:30 am - 8:34 pmCHS-SJU
11h 04m1 stop
JetBlue Logo
8:00 am - 7:25 pmSJU-CHS
11h 25m1 stop
$339JetBlue
Find Deal
Mon, Aug 18 - Wed, Sep 3

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

Our best American Airlines deals on Charleston to San Juan Luis Munoz Marin Intl Airport flight tickets
American Airlines
Sep 24
CHS10:10 amCharleston
8h 04m
1 stop
SJU6:14 pmSan Juan Luis Munoz Marin Intl
Oct 1
SJU12:01 pmSan Juan Luis Munoz Marin Intl
11h 36m
1 stop
CHS11:37 pmCharleston
$251
Find similar
American Airlines
Sep 2
CHS5:38 amCharleston
12h 37m
1 stop
SJU6:15 pmSan Juan Luis Munoz Marin Intl
Sep 24
SJU3:55 pmSan Juan Luis Munoz Marin Intl
16h 20m
2 stops
CHS8:15 amCharleston
$322
Find similar
American Airlines
Sep 6
CHS8:12 amCharleston
7h 40m
1 stop
SJU3:52 pmSan Juan Luis Munoz Marin Intl
Sep 10
SJU4:43 pmSan Juan Luis Munoz Marin Intl
6h 14m
1 stop
CHS10:57 pmCharleston
$357
Find similar

Frontier flights from Charleston to San Juan Luis Munoz Marin Intl Airport

Our best Frontier deals on Charleston to San Juan Luis Munoz Marin Intl Airport flight tickets
Frontier
Oct 24
CHS3:31 pmCharleston
8h 27m
1 stop
SJU11:58 pmSan Juan Luis Munoz Marin Intl
Oct 26
SJU1:11 amSan Juan Luis Munoz Marin Intl
13h 25m
1 stop
CHS2:36 pmCharleston
$218
Find similar
Frontier
Sep 18
CHS3:26 pmCharleston
7h 57m
1 stop
SJU11:23 pmSan Juan Luis Munoz Marin Intl
Sep 20
SJU12:28 amSan Juan Luis Munoz Marin Intl
14h 03m
1 stop
CHS2:31 pmCharleston
$219
Find similar
Frontier
Aug 1
CHS9:05 amCharleston
11h 34m
1 stop
SJU8:39 pmSan Juan Luis Munoz Marin Intl
Aug 7
SJU12:59 amSan Juan Luis Munoz Marin Intl
7h 07m
1 stop
CHS8:06 amCharleston
$248
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 July 31, 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 10/24

3:31 pm-11:58 pm

1 stop8h 27m

San Juan Luis Munoz Marin Intl

Sun 10/26

1:11 am-2:36 pm

1 stop13h 25m

$218

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Thu 9/18

3:26 pm-11:23 pm

1 stop7h 57m

San Juan Luis Munoz Marin Intl

Sat 9/20

12:28 am-2:31 pm

1 stop14h 03m

$219

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Thu 9/25

12:10 pm-2:11 pm

2 stops26h 01m

San Juan Luis Munoz Marin Intl

Sun 9/28

2:48 pm-8:15 am

1 stop17h 27m

$250

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Wed 9/24

10:10 am-6:14 pm

1 stop8h 04m

San Juan Luis Munoz Marin Intl

Wed 10/1

12:01 pm-11:37 pm

1 stop11h 36m

$251

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Thu 9/18

12:10 pm-2:11 pm

2 stops26h 01m

San Juan Luis Munoz Marin Intl

Sat 9/20

1:59 am-11:05 am

2 stops9h 06m

$253

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Sat 10/4

2:55 pm-10:00 pm

1 stop7h 05m

San Juan Luis Munoz Marin Intl

Sat 10/11

7:15 am-3:09 pm

1 stop7h 54m

$261

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Sat 11/1

4:14 pm-9:59 pm

1 stop5h 45m

San Juan Luis Munoz Marin Intl

Thu 11/6

1:51 pm-6:56 pm

1 stop6h 05m

$294

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Tue 9/2

5:38 am-6:15 pm

1 stop12h 37m

San Juan Luis Munoz Marin Intl

Wed 9/24

3:55 pm-8:15 am

2 stops16h 20m

$322

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Sat 1/10

6:19 pm-3:55 am

1 stop8h 36m

San Juan Luis Munoz Marin Intl

Fri 1/16

1:59 am-11:19 am

1 stop10h 20m

$334

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Mon 8/18

9:30 am-8:34 pm

1 stop11h 04m

San Juan Luis Munoz Marin Intl

Wed 9/3

8:00 am-7:25 pm

1 stop11h 25m

$339

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 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 September is also cheap. Prices for this month can be found on momondo for an average of $344.

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 $437 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 $345 on momondo.

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

You could potentially save up to 52% 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 July 2025, prices for Charleston to San Juan Luis Munoz Marin Intl Airport flights are approximately 44% 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

Best Price Found

$92

Fastest flight time

5h 45m

Direct flights

None
The best one-way flight to San Juan Luis Munoz Marin Intl Airport from Charleston in the past 72 hours is $92. The best round-trip flight deal from Charleston to San Juan Luis Munoz Marin Intl Airport found on momondo in the last 72 hours is $218.
The fastest flight from Charleston to San Juan Luis Munoz Marin Intl Airport takes 5h 45m
There are no direct flights from Charleston to San Juan Luis Munoz Marin Intl Airport. Popular non-direct route for this connection is Charleston Airport - San Juan Luis Munoz Marin Intl Airport.
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  • 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 45m, 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
Spirit AirlinesPriceFrom $129Free CancellationRating
6.3
8,049 reviews
Search Spirit Airlines flights
JetBluePriceFrom $195Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
DeltaPriceFrom $251Free CancellationRating
8.0
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $280Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
American AirlinesPriceFrom $282Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $352Free CancellationRating
8.0
4,246 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
Humacao
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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