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Luis Munoz Marin Intl

$102+ 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 1/1. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — SJU
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Charleston to San Juan Luis Munoz Marin Intl 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 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 December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Sun 12/2810:18 pmCHS - SJU
1 stop13h 11mMultiple Airlines
Wed 12/316:28 pmSJU - CHS
1 stop27h 55mMultiple Airlines
Deal found 12/15$290
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Sun 12/2810:18 pmCHS - SJU
1 stop13h 11mMultiple Airlines
Tue 2/34:40 pmSJU - CHS
2 stops19h 22mMultiple Airlines
Deal found 12/16$291
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/2910:18 pmCHS - SJU
1 stop22h 47mMultiple Airlines
Wed 1/288:05 pmSJU - CHS
1 stop13h 33mMultiple Airlines
Deal found 12/16$299
This Expedia deal was found by Cheapflights users on 12/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:03 pmCHS - SJU
1 stop4h 53mMultiple Airlines
Fri 1/302:59 amSJU - CHS
2 stops15h 37mMultiple Airlines
Deal found 12/16$300
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/2910:18 pmCHS - SJU
1 stop22h 47mSpirit Airlines
Sat 1/316:00 amSJU - CHS
2 stops12h 36mSpirit Airlines
Deal found 12/16$304
This JetBlue deal was found by Cheapflights users on 12/16. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:03 pmCHS - SJU
1 stop4h 53mJetBlue
Fri 1/306:01 amSJU - CHS
1 stop7h 39mJetBlue
Deal found 12/16$305
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/2910:18 pmCHS - SJU
1 stop13h 11mMultiple Airlines
Sun 2/12:59 amSJU - CHS
2 stops15h 37mMultiple Airlines
Deal found 12/16$309
This JetBlue deal was found by Cheapflights users on 12/16. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:03 pmCHS - SJU
1 stop4h 53mJetBlue
Fri 1/306:01 amSJU - CHS
1 stop7h 39mJetBlue
Deal found 12/16$314
This American Airlines deal was found by Cheapflights users on 12/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:08 pmCHS - SJU
1 stop14h 31mAmerican Airlines
Tue 1/132:31 pmSJU - CHS
2 stops9h 36mAmerican Airlines
Deal found 12/15$318
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/2910:18 pmCHS - SJU
1 stop13h 11mMultiple Airlines
Sat 1/312:59 amSJU - CHS
2 stops15h 37mMultiple Airlines
Deal found 12/16$325

Find 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$283
(United Airlines)

One-way from

$102
(Frontier)

Popular in

August

Cheapest in

January

Average price

$554
Provider with most accurate pricing for Charleston-San Juan Luis Munoz Marin Intl flight deals.
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Provider most trusted by Cheapflights users for Charleston-San Juan Luis Munoz Marin Intl flights.
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From Charleston to San Juan Luis Munoz Marin Intl
Search Deals
One-way flight from Charleston to San Juan Luis Munoz Marin Intl
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 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

Mon 1/5

10:18 pm-11:44 pm

1 stop24h 26m

San Juan Luis Munoz Marin Intl

Sun 1/11

9:00 am-5:36 pm

2 stops33h 36m

$288

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Fri 1/30

10:10 am-7:26 pm

1 stop8h 16m

San Juan Luis Munoz Marin Intl

Sat 1/31

6:01 am-12:40 pm

1 stop7h 39m

$299

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Fri 2/13

9:20 am-9:31 pm

1 stop11h 11m

San Juan Luis Munoz Marin Intl

Tue 2/17

6:00 am-8:30 am

1 stop27h 30m

$300

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Wed 1/28

6:30 am-4:36 pm

1 stop9h 06m

San Juan Luis Munoz Marin Intl

Fri 1/30

2:05 am-11:40 am

1 stop10h 35m

$311

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Fri 2/20

11:47 am-2:28 am

1 stop13h 41m

San Juan Luis Munoz Marin Intl

Sat 2/28

6:00 am-1:01 pm

1 stop8h 01m

$311

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Tue 12/30

7:03 pm-12:56 am

1 stop4h 53m

San Juan Luis Munoz Marin Intl

Fri 1/30

6:01 am-12:40 pm

1 stop7h 39m

$314

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Wed 1/28

5:25 am-1:06 pm

1 stop6h 41m

San Juan Luis Munoz Marin Intl

Mon 2/2

6:27 pm-11:55 pm

1 stop6h 28m

$318

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Sun 1/11

5:18 pm-11:45 pm

1 stop5h 27m

San Juan Luis Munoz Marin Intl

Tue 1/13

6:27 pm-11:55 pm

1 stop6h 28m

$318

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Thu 2/5

1:35 pm-8:02 pm

1 stop5h 27m

San Juan Luis Munoz Marin Intl

Sun 2/8

6:00 am-10:45 am

1 stop5h 45m

$328

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Wed 12/31

7:03 pm-12:56 am

1 stop4h 53m

San Juan Luis Munoz Marin Intl

Sat 1/31

6:01 am-12:40 pm

1 stop7h 39m

$338

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 19 results
1
2

Compare providers for flights from Charleston to Luis Munoz Marin Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Charleston to Luis Munoz Marin Intl in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Charleston-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Charleston-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Charleston-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Charleston-San Juan Luis Munoz Marin Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Charleston-San Juan Luis Munoz Marin Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 December 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, June is the cheapest month in which you can book a flight from Charleston to San Juan Luis Munoz Marin Intl Airport (average of $152). Flying from Charleston to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $323). 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 December 18, 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 29% 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 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 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 December 18, 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
7.9
Good
4,251 reviews

Overall

7.9

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,251 reviews
Southwest
7.9
Good
4,251 reviews

Overall

7.9

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,008 reviews
Southwest
7.9
Good
4,251 reviews

Overall

7.9

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,054 reviews
Southwest
7.9
Good
4,251 reviews

Overall

7.9

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
JetBlue
7.2
Good
2,896 reviews
Southwest
7.9
Good
4,251 reviews

Overall

7.9

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Spirit Airlines
6.3
Okay
8,189 reviews
Southwest
7.9
Good
4,251 reviews

Overall

7.9

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 8h 16m. 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 $113 on this airline. Additional options worth looking into are JetBlue and United Airlines, starting at $172 and $202 round-trip. Users have found that Spirit Airlines is 74% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Charleston to San Juan Luis Munoz Marin Intl Airport one-way?

    The cheapest airlines for a one-way flight from Charleston to San Juan Luis Munoz Marin Intl Airport are Spirit Airlines ($61), JetBlue ($114), and Delta ($136).

  • 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, June is the cheapest month in which you can book a flight from Charleston to San Juan Luis Munoz Marin Intl Airport (average of $152). Flying from Charleston to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $323). 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
Humacao
Luquillo
Bayamón

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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$129Average$248FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$192Average$373FlexibilityNo cancel feeOn-time62%
DeltaCheapest$241Average$440FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$271Average$409FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$290Average$483FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$371Average$518FlexibilityNo cancel feeOn-time63%

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