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Luis Munoz Marin Intl

$91+ 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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — SJU
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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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 January 21, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/19. 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 2/25:05 pm
CHS
-
SJU
1 stop22h 17m
Multiple Airlines
Thu 2/57:10 am
SJU
-
CHS
1 stop10h 00m
Multiple Airlines
Deal found 1/19$199
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Tue 5/59:40 am
CHS
-
SJU
1 stop10h 54m
United Airlines
Sun 5/101:00 am
SJU
-
CHS
1 stop8h 10m
United Airlines
Deal found 1/20$222
This JetBlue deal was found by Cheapflights users on 1/20. 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.
Sun 4/511:55 am
CHS
-
SJU
1 stop9h 37m
JetBlue
Fri 4/109:25 am
SJU
-
CHS
1 stop5h 20m
JetBlue
Deal found 1/20$223
This United Airlines deal was found by Cheapflights users on 1/20. 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 2/182:48 pm
CHS
-
SJU
1 stop6h 34m
United Airlines
Tue 2/247:40 am
SJU
-
CHS
1 stop9h 33m
United Airlines
Deal found 1/20$242
This Expedia deal was found by Cheapflights users on 1/19. 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 2/189:20 am
CHS
-
SJU
1 stop9h 57m
JetBlue
Tue 2/245:45 am
SJU
-
CHS
1 stop9h 09m
JetBlue
Deal found 1/19$247
This Expedia deal was found by Cheapflights users on 1/19. 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.
Sat 3/72:59 pm
CHS
-
SJU
1 stop9h 45m
Multiple Airlines
Sat 3/1410:45 am
SJU
-
CHS
1 stop9h 18m
Multiple Airlines
Deal found 1/19$250
This JetBlue deal was found by Cheapflights users on 1/20. 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 3/1412:35 pm
CHS
-
SJU
1 stop10h 16m
JetBlue
Wed 3/255:19 am
SJU
-
CHS
1 stop5h 51m
JetBlue
Deal found 1/20$252
This CheapOair deal was found by Cheapflights users on 1/19. 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.
Fri 5/13:30 pm
CHS
-
SJU
1 stop10h 37m
JetBlue
Mon 5/411:59 pm
SJU
-
CHS
1 stop10h 16m
JetBlue
Deal found 1/19$253
This Delta deal was found by Cheapflights users on 1/20. 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.
Tue 5/55:20 am
CHS
-
SJU
1 stop6h 26m
Delta
Sun 5/1012:50 pm
SJU
-
CHS
1 stop8h 54m
Delta
Deal found 1/20$261
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Thu 2/192:48 pm
CHS
-
SJU
1 stop6h 34m
United Airlines
Wed 2/252:05 am
SJU
-
CHS
1 stop7h 54m
United Airlines
Deal found 1/20$263
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Mon 5/116:00 am
CHS
-
SJU
1 stop8h 44m
United Airlines
Mon 5/187:20 am
SJU
-
CHS
1 stop7h 33m
United Airlines
Deal found 1/21$264

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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$199
(Kiwi.com)

One-way from

$91
(Priceline)

Popular in

August

Cheapest in

October

Average price

$381
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. 4% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 21, 2026.
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

Tue 5/5

9:40 am-8:34 pm

1 stop10h 54m

San Juan Luis Munoz Marin Intl

Sun 5/10

1:00 am-9:10 am

1 stop8h 10m

$222

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Sun 4/5

11:55 am-9:32 pm

1 stop9h 37m

San Juan Luis Munoz Marin Intl

Fri 4/10

9:25 am-2:45 pm

1 stop5h 20m

$223

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Sat 3/14

12:35 pm-10:51 pm

1 stop10h 16m

San Juan Luis Munoz Marin Intl

Wed 3/25

5:19 am-11:10 am

1 stop5h 51m

$252

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Sat 3/14

12:35 pm-10:51 pm

1 stop10h 16m

San Juan Luis Munoz Marin Intl

Mon 3/23

1:30 am-9:40 am

1 stop8h 10m

$252

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Tue 5/5

11:00 am-6:30 pm

1 stop7h 30m

San Juan Luis Munoz Marin Intl

Tue 5/12

1:00 pm-8:34 pm

1 stop7h 34m

$252

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Wed 5/6

4:33 pm-10:54 pm

1 stop6h 21m

San Juan Luis Munoz Marin Intl

Sun 5/10

12:50 pm-9:44 pm

1 stop8h 54m

$261

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Thu 2/19

2:48 pm-10:22 pm

1 stop6h 34m

San Juan Luis Munoz Marin Intl

Wed 2/25

2:05 am-8:59 am

1 stop7h 54m

$263

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Mon 5/11

6:00 am-2:44 pm

1 stop8h 44m

San Juan Luis Munoz Marin Intl

Mon 5/18

7:20 am-2:53 pm

1 stop7h 33m

$264

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Mon 2/9

1:39 pm-11:36 pm

1 stop8h 57m

San Juan Luis Munoz Marin Intl

Sat 2/14

5:20 am-8:38 am

1 stop28h 18m

$273

CharlestonSan Juan

CHS - SJU

CHSSJU

Charleston

Thu 5/14

3:30 pm-2:07 am

1 stop10h 37m

San Juan Luis Munoz Marin Intl

Mon 5/18

11:59 pm-10:15 am

1 stop10h 16m

$281

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 21 results
1
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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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Charleston-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. FlightHub >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 Expedia the most. Expedia 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 January 16, 2026.

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 32 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, February is the cheapest month in which you can book a flight from Charleston to San Juan Luis Munoz Marin Intl Airport (average of $135). Flying from Charleston to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $309). 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.

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 January 21, 2026.
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
4,266 reviews

Overall

8.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Food

7.0

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
8.0
Very good
4,266 reviews
Southwest
8.0
Very good
4,266 reviews

Overall

8.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Food

7.0

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
8,088 reviews
Southwest
8.0
Very good
4,266 reviews

Overall

8.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Food

7.0

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
11,173 reviews
Southwest
8.0
Very good
4,266 reviews

Overall

8.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Food

7.0

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
2,890 reviews
Southwest
8.0
Very good
4,266 reviews

Overall

8.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Food

7.0

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
8,364 reviews
Southwest
8.0
Very good
4,266 reviews

Overall

8.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Food

7.0

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. 7 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 9h 37m. 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 Frontier. Our recent data shows that you can find tickets from as low as $84 on this airline. Additional options worth looking into are Spirit Airlines and JetBlue, starting at $113 and $172 round-trip. Users have found that Frontier is 81% 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 ($56), JetBlue ($111), 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, February is the cheapest month in which you can book a flight from Charleston to San Juan Luis Munoz Marin Intl Airport (average of $135). Flying from Charleston to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $309). 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
Fajardo
Dorado
Luquillo
Rio Grande
Humacao
Bayamón

Browse thousands of different options on Cheapflights for your next trip

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Top 7 airlines flying from Charleston to Luis Munoz Marin Intl

Discover the top 7 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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$84Average$168FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$113Average$247FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$172Average$359FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$202Average$409FlexibilityNo cancel feeOn-time69%
DeltaCheapest$221Average$439FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$279Average$480FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$371Average$508FlexibilityNo cancel feeOn-time63%

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