$98+ Cheap flights from Charleston (CHS) to San Juan
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
Apr 22 — Apr 291
Round-trip
1 adult, Economy
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Cheapest flights from Charleston to San JuanExplore the most affordable flight options available from Charleston to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 23, 2026.
Explore the most affordable flight options available from Charleston to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 23, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 3/18. 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 3/278:07 am
CHS
- SJU
1 stop10h 48m
Spirit Airlines
Fri 4/312:55 pm
SJU
- CHS
1 stop9h 18m
Spirit Airlines
Deal found 3/18![Spirit Airlines logo]()
$267
This Cheapflightsfares deal was found by Cheapflights users on 3/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/248:07 am
CHS
- SJU
1 stop10h 48m
Spirit Airlines
Tue 4/712:55 pm
SJU
- CHS
1 stop9h 18m
Spirit Airlines
Deal found 3/19![Spirit Airlines logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 3/22. 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 4/118:07 am
CHS
- SJU
1 stop10h 48m
Multiple Airlines
Mon 4/131:45 am
SJU
- CHS
1 stop6h 53m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$289
This American Airlines deal was found by Cheapflights users on 3/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/105:00 am
CHS
- SJU
1 stop15h 51m
American Airlines
Thu 5/147:00 pm
SJU
- CHS
1 stop15h 34m
American Airlines
Deal found 3/20![American Airlines logo]()
$292
This American Airlines deal was found by Cheapflights users on 3/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:00 am
CHS
- SJU
2 stops10h 59m
American Airlines
Mon 8/241:35 pm
SJU
- CHS
1 stop10h 41m
American Airlines
Deal found 3/20![American Airlines logo]()
$297
This American Airlines deal was found by Cheapflights users on 3/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:09 pm
CHS
- SJU
1 stop13h 02m
American Airlines
Tue 4/217:00 pm
SJU
- CHS
1 stop15h 34m
American Airlines
Deal found 3/20![American Airlines logo]()
$298
This CheapOair deal was found by Cheapflights users on 3/19. 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.
Thu 3/268:07 am
CHS
- SJU
1 stop10h 48m
Spirit Airlines
Fri 4/37:54 pm
SJU
- CHS
1 stop26h 19m
Spirit Airlines
Deal found 3/19![Spirit Airlines logo]()
$308
This CheapOair deal was found by Cheapflights users on 3/23. 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.
Wed 4/18:07 am
CHS
- SJU
1 stop10h 48m
Spirit Airlines
Sat 4/47:54 pm
SJU
- CHS
1 stop26h 19m
Spirit Airlines
Deal found 3/23![Spirit Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 3/22. 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 4/108:07 am
CHS
- SJU
1 stop28h 26m
Multiple Airlines
Mon 4/131:45 am
SJU
- CHS
1 stop6h 53m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$310
This CheapOair deal was found by Cheapflights users on 3/22. 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.
Wed 4/88:07 am
CHS
- SJU
1 stop10h 48m
Multiple Airlines
Wed 4/155:01 am
SJU
- CHS
1 stop10h 36m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$317
Best flights from Charleston to San JuanDiscover carefully curated flight deals from Charleston to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 23, 2026.
Discover carefully curated flight deals from Charleston to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 23, 2026.
This Delta deal was found by Cheapflights users on 3/22. 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 5/52:20 pm
CHS
- SJU
1 stop8h 53m
Delta
Sat 5/97:30 am
SJU
- CHS
1 stop6h 33m
Delta
Deal found 3/22![Delta logo]()
$292
This Southwest deal was found by Cheapflights users on 3/18. 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 6/84:10 pm
CHS
- SJU
2 stops9h 10m
Southwest
Tue 7/287:00 am
SJU
- CHS
2 stops9h 10m
Southwest
Deal found 3/18![Southwest logo]()
$436
This American Airlines deal was found by Cheapflights users on 3/23. 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 4/216:10 am
CHS
- SJU
1 stop9h 10m
American Airlines
Sun 4/267:00 pm
SJU
- CHS
1 stop15h 34m
American Airlines
Deal found 3/23![American Airlines logo]()
$464
This Delta deal was found by Cheapflights users on 3/23. 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 6/131:05 pm
CHS
- SJU
1 stop9h 22m
Delta
Tue 6/237:30 am
SJU
- CHS
1 stop9h 48m
Delta
Deal found 3/23![Delta logo]()
$326
This Delta deal was found by Cheapflights users on 3/22. 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.
Wed 4/295:20 am
CHS
- SJU
1 stop8h 05m
Delta
Tue 5/56:15 am
SJU
- CHS
1 stop7h 20m
Delta
Deal found 3/22![Delta logo]()
$384
This Southwest deal was found by Cheapflights users on 3/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/211:15 am
CHS
- SJU
2 stops10h 10m
Southwest
Tue 5/55:35 am
SJU
- CHS
2 stops12h 05m
Southwest
Deal found 3/21![Southwest logo]()
$444
This Southwest deal was found by Cheapflights users on 3/23. 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 6/162:10 pm
CHS
- SJU
2 stops10h 05m
Southwest
Mon 6/225:00 am
SJU
- CHS
2 stops8h 15m
Southwest
Deal found 3/23![Southwest logo]()
$444
This Southwest deal was found by Cheapflights users on 3/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/121:55 pm
CHS
- SJU
2 stops10h 10m
Southwest
Wed 6/176:00 am
SJU
- CHS
2 stops10h 10m
Southwest
Deal found 3/19![Southwest logo]()
$458
This Southwest deal was found by Cheapflights users on 3/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/81:15 pm
CHS
- SJU
2 stops10h 10m
Southwest
Mon 5/116:50 am
SJU
- CHS
2 stops11h 30m
Southwest
Deal found 3/21![Southwest logo]()
$470
This Southwest deal was found by Cheapflights users on 3/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/154:10 pm
CHS
- SJU
2 stops9h 10m
Southwest
Sun 6/2111:35 am
SJU
- CHS
2 stops10h 10m
Southwest
Deal found 3/20![Southwest logo]()
$474
This Southwest deal was found by Cheapflights users on 3/23. 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 5/141:15 pm
CHS
- SJU
2 stops10h 25m
Southwest
Sun 5/175:35 am
SJU
- CHS
2 stops9h 25m
Southwest
Deal found 3/23![Southwest logo]()
$476
Last-minute flights from Charleston to San JuanDiscover last-minute flight deals from Charleston to San Juan. Data last updated March 23, 2026 and is based on user searches.
Discover last-minute flight deals from Charleston to San Juan. Data last updated March 23, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 3/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/248:07 am
CHS
- SJU
1 stop10h 48m
Spirit Airlines
Tue 4/712:55 pm
SJU
- CHS
1 stop9h 18m
Spirit Airlines
Deal found 3/19![Spirit Airlines logo]()
$269
This CheapOair deal was found by Cheapflights users on 3/19. 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.
Thu 3/268:07 am
CHS
- SJU
1 stop10h 48m
Spirit Airlines
Fri 4/37:54 pm
SJU
- CHS
1 stop26h 19m
Spirit Airlines
Deal found 3/19![Spirit Airlines logo]()
$308
This Cheapflightsfares deal was found by Cheapflights users on 3/18. 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 3/278:07 am
CHS
- SJU
1 stop10h 48m
Spirit Airlines
Fri 4/312:55 pm
SJU
- CHS
1 stop9h 18m
Spirit Airlines
Deal found 3/18![Spirit Airlines logo]()
$267
This CheapOair deal was found by Cheapflights users on 3/23. 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.
Wed 4/18:07 am
CHS
- SJU
1 stop10h 48m
Spirit Airlines
Sat 4/47:54 pm
SJU
- CHS
1 stop26h 19m
Spirit Airlines
Deal found 3/23![Spirit Airlines logo]()
$309
This CheapOair deal was found by Cheapflights users on 3/22. 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.
Wed 4/88:07 am
CHS
- SJU
1 stop10h 48m
Multiple Airlines
Wed 4/155:01 am
SJU
- CHS
1 stop10h 36m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 3/22. 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 4/108:07 am
CHS
- SJU
1 stop28h 26m
Multiple Airlines
Mon 4/131:45 am
SJU
- CHS
1 stop6h 53m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 3/22. 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 4/118:07 am
CHS
- SJU
1 stop10h 48m
Multiple Airlines
Mon 4/131:45 am
SJU
- CHS
1 stop6h 53m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$289
This American Airlines deal was found by Cheapflights users on 3/22. 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.
Fri 4/178:09 pm
CHS
- SJU
1 stop13h 02m
American Airlines
Tue 4/217:00 pm
SJU
- CHS
1 stop5h 24m
American Airlines
Deal found 3/22![American Airlines logo]()
$292
This American Airlines deal was found by Cheapflights users on 3/23. 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.
Wed 4/296:35 am
CHS
- SJU
1 stop14h 16m
American Airlines
Sun 5/37:00 pm
SJU
- CHS
1 stop15h 34m
American Airlines
Deal found 3/23![American Airlines logo]()
$297
One-way flights from Charleston to San JuanSearch for one-way flight options from Charleston to San Juan. Find affordable one-way fares based on user searches. Data last updated March 23, 2026.
Search for one-way flight options from Charleston to San Juan. Find affordable one-way fares based on user searches. Data last updated March 23, 2026.
This Priceline deal was found by Cheapflights users on 3/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/93:54 pm
CHS
- SJU
1 stop8h 35m
Frontier
Deal found 3/21![Frontier logo]()
$98
This Cheapflightsfares deal was found by Cheapflights users on 3/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/88:07 am
CHS
- SJU
1 stop10h 48m
Spirit Airlines
Deal found 3/21![Spirit Airlines logo]()
$106
This American Airlines deal was found by Cheapflights users on 3/18. 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.
Fri 4/178:21 pm
CHS
- SJU
1 stop14h 27m
American Airlines
Deal found 3/18![American Airlines logo]()
$146
This American Airlines deal was found by Cheapflights users on 3/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:00 am
CHS
- SJU
1 stop5h 48m
American Airlines
Deal found 3/20![American Airlines logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/88:07 am
CHS
- SJU
2 stops16h 45m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$155
This Mytrip deal was found by Cheapflights users on 3/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/78:07 am
CHS
- SJU
2 stops27h 00m
Spirit Airlines
Deal found 3/21![Spirit Airlines logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 6/13:23 pm
CHS
- SJU
2 stops36h 38m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 4/173:21 pm
CHS
- SJU
2 stops33h 08m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 3/19. 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.
Wed 6/34:34 pm
CHS
- SJU
2 stops35h 27m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$176
This Mytrip deal was found by Cheapflights users on 3/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/98:07 am
CHS
- SJU
2 stops24h 46m
Spirit Airlines
Deal found 3/21![Spirit Airlines logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 3/19. 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.
Sun 5/242:53 pm
CHS
- SJU
1 stop17h 56m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$181
Find flight deals from Charleston to San Juan
Discover tips and strategies to find the most affordable flight options for your journey from Charleston (CHS) to San Juan (PR1). 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 March 23, 2026.
Round-trip from | $289 (Kiwi.com) |
|---|---|
One-way from | $98 (Priceline) |
Popular in | August |
Cheapest in | January |
Average price | $502 |
Cheapflights Fare Finder
Customize your flight search to find flights from Charleston to San Juan 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 March 23, 2026.
Use the filters below to find and compare flights from Charleston to San Juan that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Tue 5/5
2:20 pm-11:13 pm
1 stop8h 53m
San Juan Luis Munoz Marin Intl
Sat 5/9
7:30 am-2:03 pm
1 stop6h 33m
$292
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Sat 6/13
1:05 pm-10:27 pm
1 stop9h 22m
San Juan Luis Munoz Marin Intl
Tue 6/23
7:30 am-5:18 pm
1 stop9h 48m
$326
Quickest round-trip
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Wed 4/29
5:20 am-1:25 pm
1 stop8h 05m
San Juan Luis Munoz Marin Intl
Tue 5/5
6:15 am-1:35 pm
1 stop7h 20m
$384
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Mon 6/8
4:10 pm-1:20 am
2 stops9h 10m
San Juan Luis Munoz Marin Intl
Tue 7/28
7:00 am-4:10 pm
2 stops9h 10m
$436
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Sat 5/2
11:15 am-9:25 pm
2 stops10h 10m
San Juan Luis Munoz Marin Intl
Tue 5/5
5:35 am-5:40 pm
2 stops12h 05m
$444
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Tue 6/16
2:10 pm-12:15 am
2 stops10h 05m
San Juan Luis Munoz Marin Intl
Mon 6/22
5:00 am-1:15 pm
2 stops8h 15m
$444
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Fri 6/12
1:55 pm-12:05 am
2 stops10h 10m
San Juan Luis Munoz Marin Intl
Wed 6/17
6:00 am-4:10 pm
2 stops10h 10m
$458
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Tue 4/21
6:10 am-3:20 pm
1 stop9h 10m
San Juan Luis Munoz Marin Intl
Sun 4/26
7:00 pm-10:34 am
1 stop15h 34m
$464
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Fri 5/8
1:15 pm-11:25 pm
2 stops10h 10m
San Juan Luis Munoz Marin Intl
Mon 5/11
6:50 am-6:20 pm
2 stops11h 30m
$470
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Mon 6/15
4:10 pm-1:20 am
2 stops9h 10m
San Juan Luis Munoz Marin Intl
Sun 6/21
11:35 am-9:45 pm
2 stops10h 10m
$474
Showing 1-10 of 17 resultsSorted by cheapest first
Best time to book a flight from Charleston to San Juan
Have a flexible travel schedule? Discover the best time to fly to San Juan from Charleston with our price prediction graph.
CHS-PR1
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
CHS-PR1
CHS-SJU
How far ahead should I book a flight from Charleston to San Juan?
Use this chart to determine the optimal time to book a round-trip flight from Charleston to San Juan. Price data was last updated on March 13, 2026.
The best time to book flights from Charleston to San Juan is 49 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Charleston to San Juan?
Currently, February is the cheapest month in which you can book a flight from Charleston to San Juan (average of $126). Flying from Charleston to San Juan 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 San Juan
Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated March 23, 2026.
Read reviews from past customers who have flown Southwest,Delta, andJetBlue from Charleston to San Juan. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Charleston to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
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Charleston and San Juan flights
Browse other Charleston and San Juan flight options. Last updated on March 23, 2026.
Other flights from Charleston
Browse through other flights departing from Charleston. Flights are based on user searches made on Cheapflights and were last updated on March 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 7 airlines flying from Charleston to San Juan
Discover the top 7 airlines that operate flights from Charleston to San Juan. 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 March 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$84 | Average$168 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$111 | Average$336 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$156 | Average$403 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$192 | Average$386 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$271 | Average$474 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$280 | Average$409 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$371 | Average$508 | FlexibilityNo cancel fee | On-time63% |