$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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — SJU
Aug 16 — Aug 231
Round-trip
1 adult, Economy
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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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Charleston to Luis Munoz Marin Intl
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One-way
Cheapest flights from Charleston to Luis Munoz Marin IntlExplore 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 July 17, 2026.
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 July 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/14. 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.
Thu 9/109:39 pm
CHS
- SJU
1 stop26h 18m
Multiple Airlines
Mon 9/144:39 pm
SJU
- CHS
1 stop19h 52m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 9/114:57 pm
CHS
- SJU
1 stop6h 41m
Multiple Airlines
Mon 9/144:39 pm
SJU
- CHS
1 stop19h 52m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$254
This Southwest deal was found by Cheapflights users on 7/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/241:15 pm
CHS
- SJU
1 stop9h 35m
Southwest
Thu 8/275:30 am
SJU
- CHS
1 stop9h 55m
Southwest
Deal found 7/15![Southwest logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 7/12. 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.
Tue 8/254:04 pm
CHS
- SJU
1 stop8h 52m
Multiple Airlines
Thu 8/276:35 am
SJU
- CHS
1 stop6h 29m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 7/12. 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.
Sat 9/266:00 am
CHS
- SJU
1 stop17h 57m
Multiple Airlines
Wed 9/306:05 am
SJU
- CHS
1 stop26h 33m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 7/12. 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.
Tue 8/254:04 pm
CHS
- SJU
1 stop8h 52m
Multiple Airlines
Wed 8/268:57 pm
SJU
- CHS
1 stop11h 41m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 7/13. 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.
Wed 8/198:56 pm
CHS
- SJU
1 stop27h 38m
Multiple Airlines
Sun 8/235:15 pm
SJU
- CHS
1 stop21h 29m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 7/13. 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.
Thu 8/208:20 pm
CHS
- SJU
1 stop28h 36m
Multiple Airlines
Mon 8/248:57 pm
SJU
- CHS
1 stop11h 41m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$274
Best flights from Charleston to Luis Munoz Marin IntlDiscover carefully curated flight deals from Charleston to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 17, 2026.
Discover carefully curated flight deals from Charleston to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 17, 2026.
This Southwest deal was found by Cheapflights users on 7/16. 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 8/201:15 pm
CHS
- SJU
1 stop9h 35m
Southwest
Wed 8/266:00 am
SJU
- CHS
1 stop13h 15m
Southwest
Deal found 7/16![Southwest logo]()
$262
This Delta deal was found by Cheapflights users on 7/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:43 pm
CHS
- SJU
1 stop9h 36m
Delta
Sun 9/135:59 pm
SJU
- CHS
1 stop5h 58m
Delta
Deal found 7/16![Delta logo]()
$316
This Southwest deal was found by Cheapflights users on 7/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:35 am
CHS
- SJU
2 stops10h 20m
Southwest
Thu 8/275:00 am
SJU
- CHS
2 stops10h 25m
Southwest
Deal found 7/15![Southwest logo]()
$262
This Delta deal was found by Cheapflights users on 7/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/223:00 pm
CHS
- SJU
1 stop7h 29m
Delta
Wed 8/267:00 am
SJU
- CHS
1 stop9h 00m
Delta
Deal found 7/15![Delta logo]()
$342
This Delta deal was found by Cheapflights users on 7/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:25 am
CHS
- SJU
1 stop8h 22m
Delta
Mon 10/55:59 pm
SJU
- CHS
1 stop5h 58m
Delta
Deal found 7/14![Delta logo]()
$342
This Southwest deal was found by Cheapflights users on 7/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/131:15 pm
CHS
- SJU
1 stop9h 35m
Southwest
Thu 8/2010:00 am
SJU
- CHS
2 stops9h 10m
Southwest
Deal found 7/14![Southwest logo]()
$351
This Southwest deal was found by Cheapflights users on 7/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/101:15 pm
CHS
- SJU
2 stops9h 50m
Southwest
Fri 8/146:30 am
SJU
- CHS
2 stops10h 10m
Southwest
Deal found 7/15![Southwest logo]()
$373
This Delta deal was found by Cheapflights users on 7/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/104:30 pm
CHS
- SJU
1 stop5h 29m
Delta
Tue 10/135:43 pm
SJU
- CHS
1 stop6h 16m
Delta
Deal found 7/16![Delta logo]()
$376
This Delta deal was found by Cheapflights users on 7/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/212:17 pm
CHS
- SJU
1 stop8h 12m
Delta
Wed 8/267:00 am
SJU
- CHS
1 stop10h 38m
Delta
Deal found 7/15![Delta logo]()
$380
Last-minute flights from Charleston to Luis Munoz Marin IntlDiscover last-minute flight deals from Charleston to Luis Munoz Marin Intl. Data last updated July 17, 2026 and is based on user searches.
Discover last-minute flight deals from Charleston to Luis Munoz Marin Intl. Data last updated July 17, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 8/109:44 pm
CHS
- SJU
1 stop26h 57m
Multiple Airlines
Fri 8/145:22 pm
SJU
- CHS
1 stop22h 06m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 7/16. 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.
Wed 8/128:56 pm
CHS
- SJU
1 stop27h 45m
Multiple Airlines
Tue 8/186:35 am
SJU
- CHS
1 stop11h 39m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 7/16. 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.
Thu 8/138:20 pm
CHS
- SJU
1 stop28h 21m
Multiple Airlines
Tue 8/186:35 am
SJU
- CHS
1 stop11h 39m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 7/16. 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.
Sat 8/158:56 pm
CHS
- SJU
1 stop27h 45m
Multiple Airlines
Sat 8/228:57 pm
SJU
- CHS
1 stop11h 41m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 7/13. 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.
Wed 8/198:56 pm
CHS
- SJU
1 stop27h 38m
Multiple Airlines
Sun 8/235:15 pm
SJU
- CHS
1 stop21h 29m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 7/13. 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.
Thu 8/208:20 pm
CHS
- SJU
1 stop28h 36m
Multiple Airlines
Mon 8/248:57 pm
SJU
- CHS
1 stop11h 41m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$274
This Southwest deal was found by Cheapflights users on 7/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/241:15 pm
CHS
- SJU
1 stop9h 35m
Southwest
Thu 8/275:30 am
SJU
- CHS
1 stop9h 55m
Southwest
Deal found 7/15![Southwest logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 7/12. 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.
Tue 8/254:04 pm
CHS
- SJU
1 stop8h 52m
Multiple Airlines
Thu 8/276:35 am
SJU
- CHS
1 stop6h 29m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 7/12. 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.
Tue 8/254:04 pm
CHS
- SJU
1 stop8h 52m
Multiple Airlines
Wed 8/268:57 pm
SJU
- CHS
1 stop11h 41m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$268
One-way flights from Charleston to Luis Munoz Marin IntlSearch for one-way flight options from Charleston to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated July 17, 2026.
Search for one-way flight options from Charleston to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated July 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Sat 9/196:00 am
CHS
- SJU
1 stop17h 57m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 7/16. 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.
Tue 8/184:04 pm
CHS
- SJU
1 stop8h 52m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 7/16. 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.
Thu 8/208:20 pm
CHS
- SJU
1 stop28h 36m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$127
This Southwest deal was found by Cheapflights users on 7/16. 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.
Tue 8/187:35 am
CHS
- SJU
2 stops10h 35m
Southwest
Deal found 7/16![Southwest logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 7/16. 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.
Sat 8/158:56 pm
CHS
- SJU
1 stop27h 45m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 7/16. 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.
Thu 8/138:20 pm
CHS
- SJU
1 stop28h 21m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 8/319:44 pm
CHS
- SJU
1 stop27h 12m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$144
This Delta deal was found by Cheapflights users on 7/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/165:10 am
CHS
- SJU
1 stop6h 36m
Delta
Deal found 7/16![Delta logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 8/179:44 pm
CHS
- SJU
1 stop27h 12m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$160
This Southwest deal was found by Cheapflights users on 7/12. 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 8/271:15 pm
CHS
- SJU
2 stops10h 35m
Southwest
Deal found 7/12![Southwest logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 8/167:47 pm
CHS
- SJU
1 stop20h 24m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 7/279:44 pm
CHS
- SJU
1 stop26h 57m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$164
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 July 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $228 (Kiwi.com) |
One-way from | $119 (Kiwi.com) |
Popular in | August |
Cheapest in | January |
Average price | $465 |
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 July 17, 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
Fly to
Route
Depart
Return
Cheapest round-trip
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Thu 8/20
1:15 pm-10:50 pm
1 stop9h 35m
San Juan Luis Munoz Marin Intl
Wed 8/26
6:00 am-7:15 pm
1 stop13h 15m
$262
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Mon 8/24
6:35 am-4:55 pm
2 stops10h 20m
San Juan Luis Munoz Marin Intl
Thu 8/27
5:00 am-3:25 pm
2 stops10h 25m
$262
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Thu 9/10
12:43 pm-10:19 pm
1 stop9h 36m
San Juan Luis Munoz Marin Intl
Sun 9/13
5:59 pm-11:57 pm
1 stop5h 58m
$316
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Sat 8/22
3:00 pm-10:29 pm
1 stop7h 29m
San Juan Luis Munoz Marin Intl
Wed 8/26
7:00 am-4:00 pm
1 stop9h 00m
$342
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Thu 10/1
5:25 am-1:47 pm
1 stop8h 22m
San Juan Luis Munoz Marin Intl
Mon 10/5
5:59 pm-11:57 pm
1 stop5h 58m
$342
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Thu 8/13
1:15 pm-10:50 pm
1 stop9h 35m
San Juan Luis Munoz Marin Intl
Thu 8/20
10:00 am-7:10 pm
2 stops9h 10m
$351
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Mon 8/10
1:15 pm-11:05 pm
2 stops9h 50m
San Juan Luis Munoz Marin Intl
Fri 8/14
6:30 am-4:40 pm
2 stops10h 10m
$373
Quickest round-trip
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Sat 10/10
4:30 pm-9:59 pm
1 stop5h 29m
San Juan Luis Munoz Marin Intl
Tue 10/13
5:43 pm-11:59 pm
1 stop6h 16m
$376
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Fri 8/21
2:17 pm-10:29 pm
1 stop8h 12m
San Juan Luis Munoz Marin Intl
Wed 8/26
7:00 am-5:38 pm
1 stop10h 38m
$380
Cheapest one-way
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Sat 9/19
8:05 am-6:15 pm
2 stops10h 10m
$131
Showing 1-10 of 19 resultsSorted by cheapest first
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 July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star |
- 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 FlightHub the most. FlightHub 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.
CHS-SJU
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
Prices
More
How far ahead should I book a flight from Charleston to San Juan Luis Munoz Marin Intl Airport?
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 86 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, January is the cheapest month in which you can book a flight from Charleston to San Juan Luis Munoz Marin Intl Airport (average of $382). Flying from Charleston to San Juan Luis Munoz Marin Intl Airport in August is currently the most expensive (average of $536). 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.
How much does it cost to fly round-trip from Charleston to San Juan Luis Munoz Marin Intl Airport?
What’s the top layover airport for flights from Charleston to San Juan Luis Munoz Marin Intl Airport?
Share of 1-stop round-trip flights from Charleston to San Juan Luis Munoz Marin Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Baltimore (BWI) – chosen by Cheapflights users on 25% of 1-stop itineraries from Charleston to San Juan Luis Munoz Marin Intl Airport on Cheapflights.
What’s the cheapest layover airport for flights from Charleston to San Juan Luis Munoz Marin Intl Airport?
Average round-trip fare for 1-stop flights from Charleston to San Juan Luis Munoz Marin Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Baltimore (BWI) is the most affordable 1-stop option, with an average round-trip price of $471.
What’s the fastest layover option from Charleston to San Juan Luis Munoz Marin Intl Airport?
Shortest average travel time for 1-stop one-way flights from Charleston to San Juan Luis Munoz Marin Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Fort Lauderdale (FLL) have the shortest average one-way travel time for 1-stop routes: 5h 15m.
Which airport typically offers the quickest layover for flights from Charleston to San Juan Luis Munoz Marin Intl Airport?
Average layover duration for 1-stop one-way flights from Charleston to San Juan Luis Munoz Marin Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Charlotte (CLT) offer the fastest connection on this route, with an average layover time of 0h 56m.
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 July 17, 2026.
See what other customers who have flown with Southwest,Delta, andUnited 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.
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
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.
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 locationsFajardo
Luquillo
Rio Grande
Dorado
Humacao
Bayamón
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Top 5 airlines flying from Charleston to Luis Munoz Marin Intl
Discover the top 5 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 July 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$208 | Average$392 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$222 | Average$429 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$271 | Average$469 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$301 | Average$568 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$322 | Average$479 | FlexibilityNo cancel fee | On-time63% |