$111+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — SJU
Mar 2 — Mar 91
1 adult, Economy
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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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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 January 31, 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 January 31, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 1/30. 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 4/18:07 am
CHS
- SJU
1 stop10h 48m
Spirit Airlines
Wed 4/812:55 pm
SJU
- CHS
1 stop9h 18m
Spirit Airlines
Deal found 1/30![Spirit Airlines logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 1/30. 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 2/245:00 pm
CHS
- SJU
1 stop22h 25m
Multiple Airlines
Wed 3/47:10 am
SJU
- CHS
1 stop9h 55m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 1/30. 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 4/1412:04 pm
CHS
- SJU
2 stops11h 54m
Multiple Airlines
Thu 4/236:00 am
SJU
- CHS
1 stop16h 41m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$215
This American Airlines deal was found by Cheapflights users on 1/30. 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 2/218:13 pm
CHS
- SJU
1 stop12h 47m
American Airlines
Tue 2/248:00 am
SJU
- CHS
2 stops10h 20m
American Airlines
Deal found 1/30![American Airlines logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 1/30. 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 2/255:00 pm
CHS
- SJU
2 stops30h 43m
Multiple Airlines
Wed 3/47:10 am
SJU
- CHS
1 stop9h 55m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$227
This Cheapflightsfares deal was found by Cheapflights users on 1/30. 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 4/148:07 am
CHS
- SJU
1 stop10h 47m
Spirit Airlines
Thu 4/233:36 pm
SJU
- CHS
1 stop7h 05m
Spirit Airlines
Deal found 1/30![Spirit Airlines logo]()
$229
This Priceline deal was found by Cheapflights users on 1/30. 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.
Tue 3/32:25 pm
CHS
- SJU
1 stop6h 49m
Multiple Airlines
Sat 3/710:12 pm
SJU
- CHS
1 stop15h 52m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$239
This Cheapflightsfares deal was found by Cheapflights users on 1/30. 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.
Thu 4/28:07 am
CHS
- SJU
1 stop10h 48m
Spirit Airlines
Wed 4/812:55 pm
SJU
- CHS
1 stop9h 18m
Spirit Airlines
Deal found 1/30![Spirit Airlines logo]()
$244
This CheapOair deal was found by Cheapflights users on 1/30. 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.
Tue 3/318:07 am
CHS
- SJU
1 stop10h 48m
Spirit Airlines
Thu 4/912:55 pm
SJU
- CHS
1 stop9h 18m
Spirit Airlines
Deal found 1/30![Spirit Airlines logo]()
$245
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 January 31, 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 January 31, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 1/30. 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 4/18:07 am
CHS
- SJU
1 stop10h 48m
Spirit Airlines
Wed 4/812:55 pm
SJU
- CHS
1 stop9h 18m
Spirit Airlines
Deal found 1/30![Spirit Airlines logo]()
$199
This Delta deal was found by Cheapflights users on 1/30. 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 2/241:04 pm
CHS
- SJU
1 stop9h 54m
Delta
Tue 3/37:30 am
SJU
- CHS
1 stop7h 30m
Delta
Deal found 1/30![Delta logo]()
$222
This American Airlines deal was found by Cheapflights users on 1/30. 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.
Mon 2/238:13 pm
CHS
- SJU
1 stop12h 47m
American Airlines
Fri 2/2710:50 am
SJU
- CHS
1 stop14h 09m
American Airlines
Deal found 1/30![American Airlines logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 1/29. 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 2/285:00 pm
CHS
- SJU
1 stop22h 25m
Multiple Airlines
Thu 3/52:59 am
SJU
- CHS
2 stops39h 41m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$265
This United Airlines deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/139:40 am
CHS
- SJU
1 stop10h 54m
United Airlines
Fri 5/221:00 am
SJU
- CHS
1 stop7h 54m
United Airlines
Deal found 1/30![United Airlines logo]()
$268
This American Airlines deal was found by Cheapflights users on 1/30. 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 2/288:13 pm
CHS
- SJU
1 stop12h 47m
American Airlines
Wed 3/410:50 am
SJU
- CHS
1 stop14h 09m
American Airlines
Deal found 1/30![American Airlines logo]()
$222
This Delta deal was found by Cheapflights users on 1/30. 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 2/255:00 pm
CHS
- SJU
1 stop5h 58m
Delta
Tue 3/37:30 am
SJU
- CHS
1 stop7h 30m
Delta
Deal found 1/30![Delta logo]()
$222
This Delta deal was found by Cheapflights users on 1/30. 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 4/244:36 pm
CHS
- SJU
1 stop6h 36m
Delta
Wed 4/291:00 pm
SJU
- CHS
1 stop7h 41m
Delta
Deal found 1/30![Delta logo]()
$222
This CheapOair deal was found by Cheapflights users on 1/30. 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
Mon 4/67:54 pm
SJU
- CHS
1 stop26h 19m
Spirit Airlines
Deal found 1/30![Spirit Airlines logo]()
$254
This CheapOair deal was found by Cheapflights users on 1/30. 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.
Tue 4/78:07 am
CHS
- SJU
1 stop10h 48m
Spirit Airlines
Sun 4/127:54 pm
SJU
- CHS
1 stop26h 19m
Spirit Airlines
Deal found 1/30![Spirit Airlines logo]()
$269
This Delta deal was found by Cheapflights users on 1/30. 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 5/142:25 pm
CHS
- SJU
1 stop8h 29m
Delta
Mon 5/186:15 am
SJU
- CHS
1 stop7h 30m
Delta
Deal found 1/30![Delta logo]()
$253
Last-minute flights from Charleston to San JuanDiscover last-minute flight deals from Charleston to San Juan. Data last updated January 31, 2026 and is based on user searches.
Discover last-minute flight deals from Charleston to San Juan. Data last updated January 31, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 1/30. 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 2/218:13 pm
CHS
- SJU
1 stop12h 47m
American Airlines
Tue 2/248:00 am
SJU
- CHS
1 stop16h 59m
American Airlines
Deal found 1/30![American Airlines logo]()
$222
This CheapOair deal was found by Cheapflights users on 1/29. 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.
Sat 2/219:20 am
CHS
- SJU
1 stop23h 08m
JetBlue
Tue 2/245:45 am
SJU
- CHS
1 stop9h 09m
JetBlue
Deal found 1/29![JetBlue logo]()
$271
This CheapOair deal was found by Cheapflights users on 1/30. 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.
Mon 2/236:35 pm
CHS
- SJU
1 stop19h 56m
Spirit Airlines
Fri 2/275:45 pm
SJU
- CHS
1 stop23h 20m
Spirit Airlines
Deal found 1/30![Spirit Airlines logo]()
$256
This Kiwi.com deal was found by Cheapflights users on 1/30. 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 2/245:00 pm
CHS
- SJU
1 stop22h 25m
Multiple Airlines
Wed 3/47:10 am
SJU
- CHS
1 stop9h 55m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 1/30. 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 2/245:00 pm
CHS
- SJU
1 stop22h 25m
Multiple Airlines
Sat 2/287:10 am
SJU
- CHS
1 stop9h 55m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 1/30. 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 2/255:00 pm
CHS
- SJU
2 stops30h 43m
Multiple Airlines
Wed 3/47:10 am
SJU
- CHS
1 stop9h 55m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$227
This CheapOair deal was found by Cheapflights users on 1/30. 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 2/276:35 pm
CHS
- SJU
1 stop23h 23m
Spirit Airlines
Fri 3/64:31 pm
SJU
- CHS
1 stop26h 09m
Spirit Airlines
Deal found 1/30![Spirit Airlines logo]()
$268
This CheapOair deal was found by Cheapflights users on 1/29. 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.
Sat 2/286:35 pm
CHS
- SJU
1 stop23h 23m
Spirit Airlines
Fri 3/64:31 pm
SJU
- CHS
1 stop26h 09m
Spirit Airlines
Deal found 1/29![Spirit Airlines logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 1/30. 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 2/286:35 pm
CHS
- SJU
2 stops14h 42m
Multiple Airlines
Wed 3/47:10 am
SJU
- CHS
1 stop9h 55m
Multiple Airlines
Deal found 1/30![Multiple Airlines logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 1/29. 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 2/285:00 pm
CHS
- SJU
1 stop22h 25m
Multiple Airlines
Thu 3/52:59 am
SJU
- CHS
2 stops39h 41m
Multiple Airlines
Deal found 1/29![Multiple Airlines logo]()
$265
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 January 31, 2026.
Search for one-way flight options from Charleston to San Juan. Find affordable one-way fares based on user searches. Data last updated January 31, 2026.
This American Airlines deal was found by Cheapflights users on 1/31. 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 4/225:02 am
CHS
- SJU
1 stop5h 46m
American Airlines
Deal found 1/31![American Airlines logo]()
$111
This Cheapflightsfares deal was found by Cheapflights users on 1/28. 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 3/42:25 pm
CHS
- SJU
1 stop6h 49m
JetBlue
Deal found 1/28![JetBlue logo]()
$123
This CheapOair deal was found by Cheapflights users on 1/28. 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
2 stops24h 46m
Spirit Airlines
Deal found 1/28![Spirit Airlines logo]()
$137
This CheapOair deal was found by Cheapflights users on 1/30. 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.
Sat 2/286:35 pm
CHS
- SJU
2 stops14h 42m
Spirit Airlines
Deal found 1/30![Spirit Airlines logo]()
$138
This Cheapflightsfares deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/293:30 pm
CHS
- SJU
1 stop9h 29m
JetBlue
Deal found 1/28![JetBlue logo]()
$140
This CheapOair deal was found by Cheapflights users on 1/28. 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 3/45:00 pm
CHS
- SJU
2 stops29h 09m
Spirit Airlines
Deal found 1/28![Spirit Airlines logo]()
$142
This CheapOair deal was found by Cheapflights users on 1/30. 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 2/266:35 pm
CHS
- SJU
2 stops27h 34m
Spirit Airlines
Deal found 1/30![Spirit Airlines logo]()
$144
This CheapOair deal was found by Cheapflights users on 1/29. 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 2/56:35 pm
CHS
- SJU
1 stop23h 23m
Spirit Airlines
Deal found 1/29![Spirit Airlines logo]()
$148
This CheapOair deal was found by Cheapflights users on 1/31. 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 4/229:35 am
CHS
- SJU
2 stops15h 45m
Spirit Airlines
Deal found 1/31![Spirit Airlines logo]()
$157
This Cheapflightsfares deal was found by Cheapflights users on 1/28. 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.
Thu 4/28:07 am
CHS
- SJU
1 stop10h 47m
Spirit Airlines
Deal found 1/28![Spirit Airlines logo]()
$161
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 January 31, 2026.
Round-trip from | $199 (Cheapflightsfares) |
|---|---|
One-way from | $111 (American Airlines) |
Popular in | August |
Cheapest in | October |
Average price | $392 |
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 January 31, 2026.
Use the filters below to find and compare flights from Charleston to San Juan that are best for you.
Fly from
Charleston
Fly to
San Juan
Route
Depart
Return
Price
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Wed 4/1
8:07 am-6:55 pm
1 stop10h 48m
San Juan Luis Munoz Marin Intl
Wed 4/8
12:55 pm-10:13 pm
1 stop9h 18m
$199
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Tue 2/24
1:04 pm-11:58 pm
1 stop9h 54m
San Juan Luis Munoz Marin Intl
Tue 3/3
7:30 am-2:00 pm
1 stop7h 30m
$222
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Mon 2/23
8:13 pm-10:00 am
1 stop12h 47m
San Juan Luis Munoz Marin Intl
Fri 2/27
10:50 am-11:59 pm
1 stop14h 09m
$222
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Sat 2/28
8:13 pm-10:00 am
1 stop12h 47m
San Juan Luis Munoz Marin Intl
Wed 3/4
10:50 am-11:59 pm
1 stop14h 09m
$222
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Wed 2/25
5:00 pm-11:58 pm
1 stop5h 58m
San Juan Luis Munoz Marin Intl
Tue 3/3
7:30 am-2:00 pm
1 stop7h 30m
$222
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Fri 4/24
4:36 pm-11:12 pm
1 stop6h 36m
San Juan Luis Munoz Marin Intl
Wed 4/29
1:00 pm-8:41 pm
1 stop7h 41m
$222
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Thu 5/14
2:25 pm-10:54 pm
1 stop8h 29m
San Juan Luis Munoz Marin Intl
Mon 5/18
6:15 am-1:45 pm
1 stop7h 30m
$253
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Wed 4/1
8:07 am-6:55 pm
1 stop10h 48m
San Juan Luis Munoz Marin Intl
Mon 4/6
7:54 pm-10:13 pm
1 stop26h 19m
$254
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Sat 2/28
5:00 pm-4:25 pm
1 stop22h 25m
San Juan Luis Munoz Marin Intl
Thu 3/5
2:59 am-5:40 pm
2 stops39h 41m
$265
CharlestonSan Juan
CHS - SJU
CHSSJU
Charleston
Wed 5/13
9:40 am-8:34 pm
1 stop10h 54m
San Juan Luis Munoz Marin Intl
Fri 5/22
1:00 am-8:54 am
1 stop7h 54m
$268
Showing 1-10 of 20 results
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 January 30, 2026.
The best time to book flights from Charleston to San Juan is 32 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, June is the cheapest month in which you can book a flight from Charleston to San Juan (average of $149). 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.
How much does it cost to fly round-trip from Charleston to San Juan?
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 January 31, 2026.
Read reviews from past customers who have flown Southwest, Delta, and American 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.
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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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Alternative routes for Charleston to San Juan
See prices for flight routes from nearby airports that may be better suited for you.
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 January 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$84 | Average$168 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$113 | Average$256 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$157 | Average$366 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$180 | Average$439 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$202 | Average$401 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$278 | Average$472 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$371 | Average$508 | FlexibilityNo cancel fee | On-time63% |