HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Luis Munoz Marin Intl

$146+ 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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — SJU
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Charleston to Luis Munoz Marin Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Charleston to San Juan Luis Munoz Marin Intl are usually found in September or October, booked 24 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 April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$197
(Cheapflightsfares)

One-way from

$146
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$457
Provider with most accurate pricing for Charleston-San Juan Luis Munoz Marin Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Charleston-San Juan Luis Munoz Marin Intl flights.
Search Deals
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. 16% potential increase in price ($80 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 April 17, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/24:51 pmCHS - SJU
1 stop7h 01mSpirit Airlines
Fri 5/168:12 pmSJU - CHS
1 stop12h 26mSpirit Airlines
Deal found 4/17$197
This Delta deal was found by Cheapflights users on 4/17. 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.
Mon 7/147:20 amCHS - SJU
1 stop6h 09mDelta
Tue 7/226:15 amSJU - CHS
1 stop10h 40mDelta
Deal found 4/17$241
This American Airlines deal was found by Cheapflights users on 4/17. 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.
Sat 11/18:46 pmCHS - SJU
1 stop14h 59mAmerican Airlines
Thu 11/64:50 pmSJU - CHS
1 stop16h 26mAmerican Airlines
Deal found 4/17$308
This JetBlue deal was found by Cheapflights users on 4/17. 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.
Sat 9/611:35 amCHS - SJU
1 stop9h 43mJetBlue
Tue 9/93:15 amSJU - CHS
1 stop7h 25mJetBlue
Deal found 4/17$314
This Frontier deal was found by Cheapflights users on 4/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/239:05 amCHS - SJU
1 stop11h 16mFrontier
Thu 5/2912:59 amSJU - CHS
1 stop7h 06mFrontier
Deal found 4/17$318
This FlightHub deal was found by Cheapflights users on 4/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/208:02 pmCHS - SJU
1 stop13h 44mMultiple Airlines
Wed 4/235:59 pmSJU - CHS
1 stop15h 21mMultiple Airlines
Deal found 4/17$331
This United Airlines deal was found by Cheapflights users on 4/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/77:00 amCHS - SJU
1 stop8h 40mUnited Airlines
Tue 5/131:05 amSJU - CHS
1 stop7h 46mUnited Airlines
Deal found 4/17$332
This Southwest deal was found by Cheapflights users on 4/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/117:05 amCHS - SJU
2 stops11h 40mSouthwest
Sun 9/145:05 amSJU - CHS
2 stops10h 10mSouthwest
Deal found 4/16$371

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 April 17, 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 5/2

4:51 pm-11:52 pm

1 stop7h 01m

San Juan Luis Munoz Marin Intl

Fri 5/16

8:12 pm-8:38 am

1 stop12h 26m

$197

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Mon 7/14

7:20 am-1:29 pm

1 stop6h 09m

San Juan Luis Munoz Marin Intl

Tue 7/22

6:15 am-4:55 pm

1 stop10h 40m

$241

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Sun 5/25

7:10 pm-10:59 am

1 stop15h 49m

San Juan Luis Munoz Marin Intl

Sat 6/7

6:55 pm-12:27 am

1 stop5h 32m

$313

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Fri 5/23

9:05 am-8:21 pm

1 stop11h 16m

San Juan Luis Munoz Marin Intl

Thu 5/29

12:59 am-8:05 am

1 stop7h 06m

$318

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Sun 4/20

8:02 pm-9:46 am

1 stop13h 44m

San Juan Luis Munoz Marin Intl

Wed 4/23

5:59 pm-9:20 am

1 stop15h 21m

$331

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Wed 5/7

7:00 am-3:40 pm

1 stop8h 40m

San Juan Luis Munoz Marin Intl

Tue 5/13

1:05 am-8:51 am

1 stop7h 46m

$332

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Thu 5/1

9:15 am-4:40 pm

1 stop7h 25m

San Juan Luis Munoz Marin Intl

Tue 5/6

7:01 am-6:01 pm

1 stop11h 00m

$362

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Tue 6/10

1:05 pm-11:55 pm

2 stops10h 50m

San Juan Luis Munoz Marin Intl

Tue 6/24

6:30 am-5:50 pm

1 stop11h 20m

$392

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Sun 5/18

9:43 am-7:07 pm

1 stop9h 24m

$146

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Wed 4/23

7:29 am-2:35 pm

1 stop7h 06m

$278

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 12 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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Charleston-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 April 11, 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 24 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 December is currently the most expensive (average of $336). 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 April 17, 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.

Rainfall in Luis Munoz Marin Intl by month

Plan your trip to Luis Munoz Marin Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Juan Luis Munoz Marin Intl Airport ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit San Juan Luis Munoz Marin Intl Airport when rainfall is around 2.2 in.

Temperature in Luis Munoz Marin Intl by month

Plan your trip to Luis Munoz Marin Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Juan Luis Munoz Marin Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

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 April 17, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Charleston to San Juan to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,887 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,887 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,280 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,916 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,667 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
JetBlue
7.3
Good
2,926 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.

  • 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 $197 on this airline. Additional options worth looking into are Delta and American Airlines, starting at $241 and $313 round-trip. Users have found that Spirit Airlines is 53% 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 ($146), American Airlines ($278), and United Airlines ($602).

  • 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 December is currently the most expensive (average of $336). 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 Charleston?

Book flights to Charleston if you plan to visit one of these locations
Dorado
Fajardo
Luquillo
Rio Grande
Humacao
Bayamón

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$149Average$233FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$231Average$421FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$242Average$379FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$278Average$456FlexibilityNo cancel feeOn-time71%
DeltaCheapest$314Average$457FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$342Average$514FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.