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San Juan

$120+ Cheap flights from Charleston (CHS) to San Juan

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — SJU
dic. 4 — dic. 111
jue. 12/4
jue. 12/11
1 adult, Economy
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Cheapflights Tip: The best prices from Charleston to San Juan are usually found in January or October, booked 76 days in advance, depart on a Tuesday or Friday and return on a Monday

Cheap flight deals from Charleston to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Charleston (CHS) to San Juan (PR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated noviembre 4, 2025.

Round-trip from

$271
(Delta)

One-way from

$120
(Kiwi.com)

Popular in

August

Cheapest in

January

Average price

$420
From Charleston to San Juan
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One-way flight from Charleston to San Juan
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Highest demand for flights based on searches. 3% potential increase in price ($15 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Charleston to San Juan

Cheapest flights from Charleston to San Juan
Explore the most affordable flight options available from Charleston to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 4, 2025.

This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/85:25 amCHS - SJU
1 stop6h 20mDelta
jue. 12/186:38 pmSJU - CHS
1 stop6h 12mDelta
Deal found 11/3$271
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/236:13 pmCHS - SJU
1 stop21h 15mMultiple Airlines
vie. 11/287:11 amSJU - CHS
1 stop25h 15mMultiple Airlines
Deal found 11/3$276
This CheapOair deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/267:03 pmCHS - SJU
1 stop4h 53mJetBlue
sáb. 1/312:00 pmSJU - CHS
1 stop7h 06mJetBlue
Deal found 11/2$279
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/1311:55 amCHS - SJU
1 stop29h 28mMultiple Airlines
vie. 1/95:20 pmSJU - CHS
1 stop18h 25mMultiple Airlines
Deal found 11/2$295
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/16:50 amCHS - SJU
1 stop15h 54mMultiple Airlines
lun. 12/87:10 amSJU - CHS
2 stops14h 44mMultiple Airlines
Deal found 11/1$298
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/2910:18 pmCHS - SJU
1 stop13h 11mMultiple Airlines
sáb. 1/106:00 amSJU - CHS
1 stop27h 34mMultiple Airlines
Deal found 11/3$316
This CheapOair deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/89:22 amCHS - SJU
1 stop11h 47mJetBlue
mié. 12/171:59 amSJU - CHS
1 stop9h 32mJetBlue
Deal found 11/2$318
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/112:59 pmCHS - SJU
1 stop19h 20mMultiple Airlines
mié. 11/126:17 pmSJU - CHS
1 stop14h 39mMultiple Airlines
Deal found 11/3$328

Cheapflights Fare Finder

 
Customize your flight search to find flights from Charleston to San Juan 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, Cheapflights users made 2,558,603 searches. Data last updated noviembre 4, 2025.
Use the filters below to find and compare flights from Charleston to San Juan that are best for you.

Fly from

Charleston

Fly to

San Juan

Route

Depart

Return

Price

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

lun. 12/8

8:10 pm-10:09 am

1 stop12h 59m

San Juan Luis Munoz Marin Intl

jue. 12/18

12:47 pm-7:26 pm

1 stop7h 39m

$271

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

sáb. 4/25

4:30 pm-10:54 pm

1 stop6h 24m

San Juan Luis Munoz Marin Intl

mar. 5/5

6:15 am-1:45 pm

1 stop7h 30m

$271

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

lun. 12/8

5:25 am-12:45 pm

1 stop6h 20m

San Juan Luis Munoz Marin Intl

jue. 12/18

6:38 pm-11:50 pm

1 stop6h 12m

$271

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

lun. 12/8

5:25 am-12:45 pm

1 stop6h 20m

San Juan Luis Munoz Marin Intl

mié. 12/17

6:38 pm-11:50 pm

1 stop6h 12m

$271

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

lun. 1/5

10:18 pm-11:49 pm

1 stop24h 31m

San Juan Luis Munoz Marin Intl

sáb. 1/10

6:00 am-10:36 pm

2 stops17h 36m

$289

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

mar. 3/10

2:00 pm-8:55 pm

1 stop6h 55m

San Juan Luis Munoz Marin Intl

mié. 3/11

5:01 am-1:01 pm

1 stop8h 00m

$321

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

jue. 2/5

2:56 pm-2:50 am

1 stop10h 54m

San Juan Luis Munoz Marin Intl

lun. 2/9

6:00 am-4:45 pm

2 stops11h 45m

$329

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

sáb. 1/10

7:42 pm-1:08 pm

1 stop16h 26m

San Juan Luis Munoz Marin Intl

sáb. 1/17

7:12 pm-11:58 pm

1 stop5h 46m

$333

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

vie. 3/20

6:19 pm-2:55 am

1 stop8h 36m

San Juan Luis Munoz Marin Intl

jue. 3/26

7:40 am-3:48 pm

1 stop8h 08m

$335

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

lun. 12/8

9:49 pm-11:25 pm

2 stops24h 36m

San Juan Luis Munoz Marin Intl

jue. 12/18

6:00 am-8:58 pm

1 stop15h 58m

$344

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 21 results
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Best time to book a flight from Charleston to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Charleston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Charleston to San Juan

How far ahead should I book a flight from Charleston to San Juan?

Use this chart to determine the optimal time to book a round-trip flight from Charleston to San Juan. Price data was last updated on October 31, 2025.

The best time to book flights from Charleston to San Juan is 76 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Charleston to San Juan?

Currently, June is the cheapest month in which you can book a flight from Charleston to San Juan (average of $151). Flying from Charleston to San Juan in December is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CHS to SJU?

Find hourly flight availability from Charleston to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 4, 2025.

A simple way to save on the total cost of your ticket is to fly from Charleston to San Juan in the evening. If you’re flexible enough to do this you can expect to save up to 45% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Charleston to San Juan?

Use this chart to determine the cheapest time to fly round-trip from Charleston to San Juan. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Charleston to San Juan flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Charleston to San Juan?

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Juan. Reviews last updated noviembre 4, 2025.
Read reviews from past customers who have flown Southwest, Delta, and American Airlines from Charleston to San Juan. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,237 reviews

Overall

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,237 reviews
Southwest
8.0
Very good
4,237 reviews

Overall

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
8,002 reviews
Southwest
8.0
Very good
4,237 reviews

Overall

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,038 reviews
Southwest
8.0
Very good
4,237 reviews

Overall

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
JetBlue
7.2
Good
2,907 reviews
Southwest
8.0
Very good
4,237 reviews

Overall

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,112 reviews
Southwest
8.0
Very good
4,237 reviews

Overall

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Charleston to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Charleston to San Juan?

    Charleston (CHS), located 10.2 mi from the city center, is the airport you fly out of when you book flights from Charleston to San Juan. 6 airlines have flights from Charleston to San Juan on a regular basis. Booking flights from Charleston to San Juan should not be difficult; the airport handles an average of 0 outbound flights to San Juan per day.

  • How long is the flight from Charleston to San Juan?

    American Airlines and Delta can get you from Charleston to San Juan in just under 6h 24m. Your travel time can differ by up to 6h 35m. There are 1323 mi between Charleston and San Juan. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Charleston to San Juan round-trip?

    Flying on Spirit Airlines is currently your cheapest option to San Juan, with prices starting at $129. Additional round-trip tickets that might be worth considering are offered by JetBlue and Delta, with the lowest prices starting at $195 and $251, respectively. Spirit Airlines is currently priced 71% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Charleston to San Juan one-way?

    The cheapest airlines for a one-way flight from Charleston to San Juan are Delta ($136), American Airlines ($136), and Spirit Airlines ($166).

  • Can I find deals for flights from Charleston to San Juan that include hotel bookings?

    Yes. In addition to deals on Charleston to San Juan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Charleston to San Juan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Charleston to San Juan.

  • Can I find deals for business class flights from Charleston to San Juan?

    Yes. Cheapflights offers flight deals from Charleston to San Juan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Charleston to San Juan?

    Currently, June is the cheapest month in which you can book a flight from Charleston to San Juan (average of $151). Flying from Charleston to San Juan in December is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 6 airlines flying from Charleston to San Juan

Discover the top 6 airlines that operate flights from Charleston to San Juan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated noviembre 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$129Average$248FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$195Average$402FlexibilityNo cancel feeOn-time62%
DeltaCheapest$251Average$448FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$271Average$409FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$282Average$471FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$371Average$518FlexibilityNo cancel feeOn-time63%

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