Cheap flights from San Francisco to Puerto Rico Island

View AU$196 flight on Mon, 8 Sep. 2025Opens in a new window

Popular airlines from San Francisco to Puerto Rico Island

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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Cheap Flights from San Francisco (SJC) to Puerto Rico Island (SJU)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, 12 Aug. - Sat, 16 Aug.
SFO
San Francisco
SJU
San Juan
AU$779 Return, found 5 days ago
AU$779
Return
found 5 days ago
Select American Airlines flight, departing Tue, 12 Aug. from San Francisco to San Juan, returning Sat, 16 Aug., priced at AU$779 found 5 days ago
United
Tue, 12 Aug. - Sat, 16 Aug.
SFO
San Francisco
SJU
San Juan
AU$849 Return, found 5 days ago
AU$849
Return
found 5 days ago
Select United flight, departing Tue, 12 Aug. from San Francisco to San Juan, returning Sat, 16 Aug., priced at AU$849 found 5 days ago
American Airlines
Tue, 12 Aug. - Sat, 16 Aug.
SFO
San Francisco
SJU
San Juan
AU$887 Return, found 5 days ago
AU$887
Return
found 5 days ago
Select American Airlines flight, departing Tue, 12 Aug. from San Francisco to San Juan, returning Sat, 16 Aug., priced at AU$887 found 5 days ago
United
Tue, 12 Aug. - Sat, 16 Aug.
SFO
San Francisco
SJU
San Juan
AU$917 Return, found 5 days ago
AU$917
Return
found 5 days ago
Select United flight, departing Tue, 12 Aug. from San Francisco to San Juan, returning Sat, 16 Aug., priced at AU$917 found 5 days ago
Delta
Tue, 12 Aug. - Sat, 16 Aug.
SFO
San Francisco
SJU
San Juan
AU$992 Return, found 5 days ago
AU$992
Return
found 5 days ago
Select Delta flight, departing Tue, 12 Aug. from San Francisco to San Juan, returning Sat, 16 Aug., priced at AU$992 found 5 days ago
Alaska Airlines
Tue, 12 Aug. - Sat, 16 Aug.
SFO
San Francisco
SJU
San Juan
AU$1,026 Return, found 5 days ago
AU$1,026
Return
found 5 days ago
Select Alaska Airlines flight, departing Tue, 12 Aug. from San Francisco to San Juan, returning Sat, 16 Aug., priced at AU$1,026 found 5 days ago

Find the cheapest month to fly from San Francisco (SFO) to San Juan (SJU)

April is typically the cheapest month to fly

From AU$307 - AU$1,018 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.