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Luis Munoz Marin Intl

$119+ Cheap flights from Charleston (CHS) to Luis Munoz Marin Intl (SJU)

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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — SJU
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheapflights Tip: The best prices from Charleston to San Juan Luis Munoz Marin Intl are usually found in October or January, booked 76 days in advance, depart on a Tuesday or Friday and return on a Monday

Cheap flight deals from Charleston to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Charleston (CHS) to Luis Munoz Marin Intl (SJU). 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 September 16, 2025.

Round-trip from

$238
(Priceline)

One-way from

$119
(Priceline)

Popular in

December

Cheapest in

October

Average price

$394
From Charleston to San Juan Luis Munoz Marin Intl
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One-way flight from Charleston to San Juan Luis Munoz Marin Intl
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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. 3% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Charleston to Luis Munoz Marin Intl

Cheapest flights from Charleston to Luis Munoz Marin Intl
Explore the most affordable flight options available from Charleston to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Priceline deal was found by Cheapflights users on 9/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/253:26 pmCHS - SJU
1 stop7h 57mFrontier
Sat 9/2712:28 amSJU - CHS
1 stop14h 03mFrontier
Deal found 9/14$238
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Thu 12/45:40 pmCHS - SJU
1 stop17h 49mMultiple Airlines
Mon 12/83:00 pmSJU - CHS
1 stop26h 45mMultiple Airlines
Deal found 9/15$250
This Priceline deal was found by Cheapflights users on 9/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/248:53 amCHS - SJU
1 stop15h 36mFrontier
Sat 10/251:59 amSJU - CHS
1 stop12h 31mFrontier
Deal found 9/15$251
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Mon 11/37:15 pmCHS - SJU
1 stop7h 18mMultiple Airlines
Tue 11/1112:10 pmSJU - CHS
2 stops23h 37mMultiple Airlines
Deal found 9/15$265
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Wed 11/55:20 pmCHS - SJU
2 stops15h 32mMultiple Airlines
Fri 11/146:17 pmSJU - CHS
1 stop23h 28mMultiple Airlines
Deal found 9/14$267
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/87:54 pmCHS - SJU
1 stop15h 05mAmerican Airlines
Wed 12/173:10 pmSJU - CHS
1 stop6h 56mAmerican Airlines
Deal found 9/14$271
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Fri 11/1411:40 amCHS - SJU
1 stop14h 53mMultiple Airlines
Mon 11/172:22 pmSJU - CHS
1 stop20h 06mMultiple Airlines
Deal found 9/14$278
This CheapOair deal was found by Cheapflights users on 9/14. 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.
Sat 11/15:20 pmCHS - SJU
1 stop18h 15mJetBlue
Thu 11/65:05 amSJU - CHS
1 stop12h 17mJetBlue
Deal found 9/14$283
This Priceline deal was found by Cheapflights users on 9/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/147:37 pmCHS - SJU
1 stop15h 39mFrontier
Sun 11/162:11 amSJU - CHS
1 stop17h 41mFrontier
Deal found 9/14$291
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Fri 10/36:08 pmCHS - SJU
1 stop7h 50mMultiple Airlines
Mon 10/63:22 pmSJU - CHS
2 stops27h 19mMultiple Airlines
Deal found 9/13$294
This CheapOair deal was found by Cheapflights users on 9/13. 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.
Sat 10/49:40 amCHS - SJU
1 stop24h 28mJetBlue
Tue 10/76:05 pmSJU - CHS
1 stop16h 20mJetBlue
Deal found 9/13$298

Cheapflights Fare Finder

 
Customize your flight search to find flights from Charleston to Luis Munoz Marin Intl 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 September 16, 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

Charleston

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Fri 10/24

8:53 am-12:29 am

1 stop15h 36m

San Juan Luis Munoz Marin Intl

Sat 10/25

1:59 am-2:30 pm

1 stop12h 31m

$251

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Mon 12/8

7:54 pm-11:59 am

1 stop15h 05m

San Juan Luis Munoz Marin Intl

Wed 12/17

2:50 pm-11:13 pm

2 stops9h 23m

$271

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Sat 10/4

9:40 am-10:08 am

1 stop24h 28m

San Juan Luis Munoz Marin Intl

Mon 10/6

3:03 am-10:25 am

1 stop7h 22m

$298

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Sat 12/13

9:46 am-10:35 am

1 stop23h 49m

San Juan Luis Munoz Marin Intl

Sun 12/21

6:00 am-6:06 pm

1 stop13h 06m

$300

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Fri 10/24

2:40 pm-12:45 am

1 stop10h 05m

San Juan Luis Munoz Marin Intl

Sun 10/26

5:45 am-3:35 pm

1 stop9h 50m

$304

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Sat 10/11

11:10 am-12:57 am

1 stop13h 47m

San Juan Luis Munoz Marin Intl

Sat 10/18

6:00 am-10:25 am

1 stop28h 25m

$313

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Tue 11/4

2:59 pm-2:44 am

1 stop10h 45m

San Juan Luis Munoz Marin Intl

Sat 11/8

6:00 am-4:45 pm

2 stops11h 45m

$322

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Fri 10/24

3:31 pm-10:10 pm

1 stop6h 39m

San Juan Luis Munoz Marin Intl

Mon 10/27

7:10 am-12:05 am

1 stop16h 55m

$332

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Tue 11/4

6:10 am-5:52 pm

2 stops10h 42m

San Juan Luis Munoz Marin Intl

Mon 11/17

2:47 pm-11:59 pm

1 stop10h 12m

$332

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Wed 10/15

3:31 pm-10:10 pm

1 stop6h 39m

San Juan Luis Munoz Marin Intl

Mon 10/20

7:10 am-7:01 pm

1 stop11h 51m

$332

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 17 results
1
2

Best time to book a flight from Charleston to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl 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 Luis Munoz Marin Intl Airport

How far ahead should I book a flight from Charleston to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Charleston to Luis Munoz Marin Intl. Price data was last updated on September 12, 2025.

The price you pay for your flight from Charleston to San Juan Luis Munoz Marin Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 76 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Charleston to San Juan Luis Munoz Marin Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Charleston to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Charleston to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). 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 Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

A simple way to save on the total cost of your ticket is to fly from Charleston to San Juan Luis Munoz Marin Intl Airport in the evening. If you’re flexible enough to do this you can expect to save up to 30% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Charleston to San Juan Luis Munoz Marin Intl Airport?

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

Travelers seeking maximum savings on their Charleston to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Friday evenings when fares are most often at their lowest. Wednesday 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 Luis Munoz Marin Intl Airport?

Reviews of airlines servicing Luis Munoz Marin Intl

Get insights into the airlines that provide service to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl. Reviews last updated September 16, 2025.
See what other customers who have flown with Southwest, Delta, and American Airlines from Charleston to San Juan Luis Munoz Marin Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

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
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

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
8.0
Very good
7,957 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

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
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

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
2,914 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

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
8,019 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

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 Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl?

    For a flight from Charleston to San Juan Luis Munoz Marin Intl, you will be flying from Charleston. Charleston (CHS) is just 10.2 mi from the center of the city. Charleston is the only Charleston airport and it handles 0 outbound flights to San Juan Luis Munoz Marin Intl per day. 6 airlines have flights to San Juan Luis Munoz Marin Intl from Charleston on a regular basis.

  • How long is the flight from Charleston to San Juan Luis Munoz Marin Intl Airport?

    Departing from Charleston to San Juan Luis Munoz Marin Intl Airport will take you 15h 05m. Charleston and San Juan Luis Munoz Marin Intl Airport are separated by a distance of 1323 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Charleston to San Juan Luis Munoz Marin Intl Airport round-trip?

    Our cheapest airline available from Charleston to San Juan Luis Munoz Marin Intl Airport is Spirit Airlines. Our recent data shows that you can find tickets from as low as $129 on this airline. Additional options worth looking into are JetBlue and Delta, starting at $195 and $241 round-trip. Users have found that Spirit Airlines is 71% cheaper than the other options available to this destination.

  • Can I find deals for flights from Charleston to Luis Munoz Marin Intl that include hotel bookings?

    Yes. In addition to deals on Charleston to Luis Munoz Marin Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Charleston to Luis Munoz Marin Intl?

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

  • Can I find deals for business class flights from Charleston to Luis Munoz Marin Intl?

    Yes. Cheapflights offers flight deals from Charleston to Luis Munoz Marin Intl 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 Luis Munoz Marin Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Charleston to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Charleston to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). 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

Traveling to a place near San Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Dorado
Fajardo
Rio Grande
Luquillo
Humacao

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Charleston to Luis Munoz Marin Intl

Discover the top 6 airlines that operate flights from Charleston to Luis Munoz Marin Intl. 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$129Average$247FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$195Average$404FlexibilityNo cancel feeOn-time62%
DeltaCheapest$241Average$452FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$280Average$421FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$282Average$472FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$371Average$534FlexibilityNo cancel feeOn-time63%

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