Flights to Puerto Rico Island from Charleston - $108

View $108 flight on Sat, Oct 18, 2025Opens in a new window

Popular airlines from Charleston to Puerto Rico Island

  • American Airlines

    American Airlines

  • United

    United

  • Delta

    Delta

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Charleston to Puerto Rico Island (CRW-SJU)

Prices were available within the past 7 days and start at $108 for one-way flights and $217 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Oct 18 - Wed, Oct 29
CRW
Charleston
SJU
San Juan
$217 Roundtrip, found 3 days ago
$217
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Oct 18 from Charleston to San Juan, returning Wed, Oct 29, priced at $217 found 3 days ago
American Airlines
Sat, Oct 18 - Wed, Oct 29
CRW
Charleston
SJU
San Juan
$247 Roundtrip, found 3 days ago
$247
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Oct 18 from Charleston to San Juan, returning Wed, Oct 29, priced at $247 found 3 days ago
American Airlines
Tue, Oct 14 - Tue, Oct 21
CRW
Charleston
SJU
San Juan
$254 Roundtrip, found 1 hour ago
$254
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Tue, Oct 14 from Charleston to San Juan, returning Tue, Oct 21, priced at $254 found 1 hour ago
United
Sun, Jan 25 - Sat, Jan 31
CRW
Charleston
SJU
San Juan
$268 Roundtrip, found 3 hours ago
$268
Roundtrip
found 3 hours ago
Select United flight, departing Sun, Jan 25 from Charleston to San Juan, returning Sat, Jan 31, priced at $268 found 3 hours ago
American Airlines
Tue, Oct 7 - Wed, Oct 8
HTS
Huntington
SJU
San Juan
$270 Roundtrip, found 2 days ago
$270
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Oct 7 from Huntington to San Juan, returning Wed, Oct 8, priced at $270 found 2 days ago
Delta
Sat, Oct 4 - Tue, Oct 7
CRW
Charleston
SJU
San Juan
$275 Roundtrip, found 1 hour ago
$275
Roundtrip
found 1 hour ago
Select Delta flight, departing Sat, Oct 4 from Charleston to San Juan, returning Tue, Oct 7, priced at $275 found 1 hour ago

Find the cheapest month to fly from Charleston (CRW) to San Juan (SJU)

October is typically the cheapest month to fly

From $253 - $717 per traveler.

Graph displaying average flight prices per month

Alternative airports

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Luis Munoz Marin Intl. SJU. Cheapest option available. Flights from $554
SJU
Luis Munoz Marin Intl.
Cheapest
Flights from $554
*Available to One Key members.