$165+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — SJU
Jul 20 — Jul 271
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 June 20, 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 June 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/19. 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.
Sat 8/223:44 pm
CHS
- SJU
1 stop16h 27m
Multiple Airlines
Wed 8/268:57 pm
SJU
- CHS
1 stop11h 41m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 6/15. 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.
Thu 8/272:53 pm
CHS
- SJU
1 stop8h 36m
Multiple Airlines
Mon 8/316:16 pm
SJU
- CHS
1 stop14h 22m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:00 am
CHS
- SJU
2 stops17h 38m
Multiple Airlines
Mon 9/146:31 pm
SJU
- CHS
1 stop14h 07m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 6/18. 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.
Thu 8/132:53 pm
CHS
- SJU
1 stop6h 50m
Multiple Airlines
Mon 8/1710:48 pm
SJU
- CHS
1 stop9h 50m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 6/16. 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 8/229:07 am
CHS
- SJU
1 stop7h 31m
Delta
Sat 8/295:49 pm
SJU
- CHS
1 stop6h 10m
Delta
Deal found 6/16![Delta logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 6/15. 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.
Thu 10/110:05 pm
CHS
- SJU
1 stop25h 33m
Multiple Airlines
Mon 10/56:31 pm
SJU
- CHS
1 stop14h 07m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/179:44 pm
CHS
- SJU
1 stop26h 57m
Multiple Airlines
Tue 7/213:36 pm
SJU
- CHS
2 stops17h 32m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$327
This Kiwi.com deal was found by Cheapflights users on 6/18. 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.
Wed 8/58:56 pm
CHS
- SJU
1 stop27h 45m
Multiple Airlines
Wed 8/128:37 pm
SJU
- CHS
1 stop12h 01m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$328
This Delta deal was found by Cheapflights users on 6/19. 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 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 8/2612:56 pm
SJU
- CHS
1 stop5h 55m
Delta
Deal found 6/19![Delta logo]()
$332
This American Airlines deal was found by Cheapflights users on 6/20. 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 11/116:00 am
CHS
- SJU
1 stop8h 44m
American Airlines
Tue 11/1710:29 am
SJU
- CHS
1 stop9h 50m
American Airlines
Deal found 6/20![American Airlines logo]()
$337
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 June 20, 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 June 20, 2026.
This Delta deal was found by Cheapflights users on 6/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:15 am
CHS
- SJU
1 stop5h 31m
Delta
Mon 8/245:49 pm
SJU
- CHS
1 stop6h 10m
Delta
Deal found 6/18![Delta logo]()
$322
This Southwest deal was found by Cheapflights users on 6/19. 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.
Mon 8/241:15 pm
CHS
- SJU
1 stop9h 35m
Southwest
Thu 10/155:30 am
SJU
- CHS
1 stop13h 15m
Southwest
Deal found 6/19![Southwest logo]()
$322
This Delta deal was found by Cheapflights users on 6/17. 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.
Thu 8/201:01 pm
CHS
- SJU
1 stop9h 28m
Delta
Tue 8/255:49 pm
SJU
- CHS
1 stop6h 10m
Delta
Deal found 6/17![Delta logo]()
$322
This Southwest deal was found by Cheapflights users on 6/15. 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.
Fri 9/116:35 am
CHS
- SJU
2 stops10h 20m
Southwest
Tue 9/156:00 am
SJU
- CHS
1 stop6h 35m
Southwest
Deal found 6/15![Southwest logo]()
$322
This Southwest deal was found by Cheapflights users on 6/15. 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.
Thu 8/271:15 pm
CHS
- SJU
2 stops9h 50m
Southwest
Mon 8/315:30 am
SJU
- CHS
1 stop9h 55m
Southwest
Deal found 6/15![Southwest logo]()
$332
This Southwest deal was found by Cheapflights users on 6/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/211:15 pm
CHS
- SJU
2 stops9h 50m
Southwest
Sun 8/305:30 am
SJU
- CHS
1 stop9h 05m
Southwest
Deal found 6/17![Southwest logo]()
$332
This Delta deal was found by Cheapflights users on 6/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/205:10 am
CHS
- SJU
1 stop6h 30m
Delta
Sun 8/25:50 pm
SJU
- CHS
1 stop6h 36m
Delta
Deal found 6/18![Delta logo]()
$469
This Southwest deal was found by Cheapflights users on 6/15. 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.
Wed 7/222:10 pm
CHS
- SJU
2 stops9h 40m
Southwest
Wed 7/296:00 am
SJU
- CHS
2 stops10h 10m
Southwest
Deal found 6/15![Southwest logo]()
$453
This Southwest deal was found by Cheapflights users on 6/19. 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.
Mon 7/134:10 pm
CHS
- SJU
2 stops9h 15m
Southwest
Fri 7/176:00 am
SJU
- CHS
2 stops9h 35m
Southwest
Deal found 6/19![Southwest logo]()
$479
This Southwest deal was found by Cheapflights users on 6/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/610:35 am
CHS
- SJU
1 stop10h 40m
Southwest
Wed 7/87:00 am
SJU
- CHS
2 stops9h 10m
Southwest
Deal found 6/17![Southwest logo]()
$486
Last-minute flights from Charleston to San JuanDiscover last-minute flight deals from Charleston to San Juan. Data last updated June 20, 2026 and is based on user searches.
Discover last-minute flight deals from Charleston to San Juan. Data last updated June 20, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/39:44 pm
CHS
- SJU
1 stop26h 53m
Multiple Airlines
Tue 7/78:37 pm
SJU
- CHS
1 stop12h 31m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$362
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/109:44 pm
CHS
- SJU
1 stop26h 57m
Multiple Airlines
Tue 7/143:36 pm
SJU
- CHS
2 stops17h 32m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$392
This Kiwi.com deal was found by Cheapflights users on 6/19. 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.
Tue 7/143:13 pm
CHS
- SJU
1 stop11h 02m
Multiple Airlines
Tue 7/285:22 pm
SJU
- CHS
1 stop22h 06m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 7/158:56 pm
CHS
- SJU
1 stop27h 45m
Multiple Airlines
Tue 7/285:22 pm
SJU
- CHS
1 stop22h 06m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 7/158:56 pm
CHS
- SJU
1 stop27h 45m
Multiple Airlines
Thu 7/306:00 am
SJU
- CHS
1 stop7h 04m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$397
This Kiwi.com deal was found by Cheapflights users on 6/19. 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.
Thu 7/168:20 pm
CHS
- SJU
1 stop28h 21m
Multiple Airlines
Tue 7/285:22 pm
SJU
- CHS
1 stop22h 06m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/179:44 pm
CHS
- SJU
1 stop26h 57m
Multiple Airlines
Tue 7/213:36 pm
SJU
- CHS
2 stops17h 32m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$327
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Fri 7/179:44 pm
CHS
- SJU
1 stop26h 57m
Multiple Airlines
Mon 7/205:22 pm
SJU
- CHS
1 stop16h 15m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$384
This Delta deal was found by Cheapflights users on 6/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/205:10 am
CHS
- SJU
1 stop6h 30m
Delta
Sun 8/22:42 pm
SJU
- CHS
1 stop9h 44m
Delta
Deal found 6/19![Delta logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 6/15. 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.
Thu 7/238:20 pm
CHS
- SJU
1 stop28h 21m
Multiple Airlines
Tue 7/286:00 am
SJU
- CHS
1 stop12h 14m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$382
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 June 20, 2026.
Search for one-way flight options from Charleston to San Juan. Find affordable one-way fares based on user searches. Data last updated June 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/18. 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.
Wed 8/58:56 pm
CHS
- SJU
1 stop27h 45m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$165
This Southwest deal was found by Cheapflights users on 6/18. 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.
Wed 8/56:45 am
CHS
- SJU
2 stops11h 25m
Southwest
Deal found 6/18![Southwest logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/39:44 pm
CHS
- SJU
1 stop26h 53m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 6/19. 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.
Tue 7/711:15 am
CHS
- SJU
1 stop28h 50m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 7/14:04 pm
CHS
- SJU
1 stop7h 25m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$183
This American Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/141:00 pm
CHS
- SJU
1 stop9h 59m
American Airlines
Deal found 6/15![American Airlines logo]()
$195
This American Airlines deal was found by Cheapflights users on 6/17. 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 7/186:41 am
CHS
- SJU
1 stop15h 52m
American Airlines
Deal found 6/17![American Airlines logo]()
$204
This Southwest deal was found by Cheapflights users on 6/19. 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.
Tue 7/73:00 pm
CHS
- SJU
2 stops9h 20m
Southwest
Deal found 6/19![Southwest logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 6/19. 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.
Thu 7/22:53 pm
CHS
- SJU
1 stop22h 23m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/267:47 pm
CHS
- SJU
2 stops42h 13m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$232
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 June 20, 2026.
Round-trip from | $297 (Kiwi.com) |
|---|---|
One-way from | $165 (Kiwi.com) |
Popular in | August |
Cheapest in | January |
Average price | $510 |
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 June 20, 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
Quickest round-trip
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Fri 8/21
6:15 am-11:46 am
1 stop5h 31m
San Juan Luis Munoz Marin Intl
Mon 8/24
5:49 pm-11:59 pm
1 stop6h 10m
$322
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Mon 8/24
1:15 pm-10:50 pm
1 stop9h 35m
San Juan Luis Munoz Marin Intl
Thu 10/15
5:30 am-6:45 pm
1 stop13h 15m
$322
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Thu 8/20
1:01 pm-10:29 pm
1 stop9h 28m
San Juan Luis Munoz Marin Intl
Tue 8/25
5:49 pm-11:59 pm
1 stop6h 10m
$322
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Fri 9/11
6:35 am-4:55 pm
2 stops10h 20m
San Juan Luis Munoz Marin Intl
Tue 9/15
6:00 am-12:35 pm
1 stop6h 35m
$322
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Thu 8/27
1:15 pm-11:05 pm
2 stops9h 50m
San Juan Luis Munoz Marin Intl
Mon 8/31
5:30 am-3:25 pm
1 stop9h 55m
$332
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Fri 8/21
1:15 pm-11:05 pm
2 stops9h 50m
San Juan Luis Munoz Marin Intl
Sun 8/30
5:30 am-2:35 pm
1 stop9h 05m
$332
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Wed 7/22
2:10 pm-11:50 pm
2 stops9h 40m
San Juan Luis Munoz Marin Intl
Wed 7/29
6:00 am-4:10 pm
2 stops10h 10m
$453
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Mon 7/20
5:10 am-11:40 am
1 stop6h 30m
San Juan Luis Munoz Marin Intl
Sun 8/2
5:50 pm-12:26 am
1 stop6h 36m
$469
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Mon 7/13
4:10 pm-1:25 am
2 stops9h 15m
San Juan Luis Munoz Marin Intl
Fri 7/17
6:00 am-3:35 pm
2 stops9h 35m
$479
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Mon 7/6
10:35 am-9:15 pm
1 stop10h 40m
San Juan Luis Munoz Marin Intl
Wed 7/8
7:00 am-4:10 pm
2 stops9h 10m
$486
Showing 1-10 of 20 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
What is the cheapest month to book a flight from Charleston to San Juan?
Currently, July is the cheapest month in which you can book a flight from Charleston to San Juan (average of $84). Flying from Charleston to San Juan in August is currently the most expensive (average of $287). 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?
How far ahead should I book a flight from Charleston to San Juan?
The best time to book flights from Charleston to San Juan is 85 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.
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 June 20, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines 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.
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
7.9
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
7.9
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
7.9
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
7.9
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
7.9
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Food
7.0
Boarding
8.1
Overall
7.9
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
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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Charleston and San Juan flights
Browse other Charleston and San Juan flight options. Last updated on June 20, 2026.
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Top 5 airlines flying from Charleston to San Juan
Discover the top 5 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 June 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$195 | Average$391 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$222 | Average$417 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$271 | Average$468 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$301 | Average$568 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$322 | Average$479 | FlexibilityNo cancel fee | On-time63% |