Find Cheap Flights to San Juan

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from San Francisco to San Juan

(Round-trip)
Depart: Mon Jan 22 2018 Return: Tue Jan 23 2018 Trip spans 2 days
American Airlines
American Airlines
SFO
SJU
10h 15m
1 stop
SJU
SFO
11h 10m
1 stop
Depart: Wed Feb 21 2018 Return: Thu Feb 22 2018 Trip spans 2 days
United
United
SFO
SJU
11h 09m
1 stop
SJU
SFO
10h 28m
1 stop
Depart: Mon Oct 9 2017 Return: Fri Oct 13 2017 Trip spans 5 days
Multiple Airlines
Multiple Airlines
SFO
SJU
18h 20m
1 stop
SJU
SFO
10h 59m
1 stop
Depart: Tue Sep 12 2017 Return: Mon Sep 25 2017 Trip spans 14 days
Frontier
Frontier
SFO
SJU
21h 49m
1 stop
SJU
SFO
23h 00m
1 stop
Depart: Fri Sep 22 2017 Return: Sat Sep 30 2017 Trip spans 9 days
Delta
Delta
SFO
SJU
10h 37m
1 stop
SJU
SFO
11h 02m
1 stop
Depart: Sat Dec 16 2017 Return: Thu Dec 28 2017 Trip spans 13 days
JetBlue
JetBlue
SFO
SJU
13h 51m
1 stop
SJU
SFO
15h 38m
1 stop
Depart: Tue Jan 16 2018 Return: Wed Jan 17 2018 Trip spans 2 days
American Airlines
American Airlines
SFO
SJU
12h 03m
1 stop
SJU
SFO
10h 42m
1 stop
Depart: Fri Oct 13 2017 Return: Thu Oct 19 2017 Trip spans 7 days
Multiple Airlines
Multiple Airlines
SFO
SJU
9h 18m
1 stop
SJU
SFO
10h 59m
1 stop
Depart: Wed Dec 6 2017 Return: Wed Dec 13 2017 Trip spans 8 days
Delta
Delta
SFO
SJU
13h 09m
1 stop
SJU
SFO
12h 26m
1 stop
Depart: Wed Sep 6 2017 Return: Mon Sep 11 2017 Trip spans 6 days
United
United
SFO
SJU
10h 00m
1 stop
SJU
SFO
11h 52m
1 stop
Depart: Sat Nov 4 2017 Return: Wed Nov 8 2017 Trip spans 5 days
American Airlines
American Airlines
SFO
SJU
12h 40m
1 stop
SJU
SFO
11h 27m
1 stop
Depart: Sun Dec 10 2017 Return: Mon Dec 18 2017 Trip spans 9 days
Multiple Airlines
Multiple Airlines
SFO
SJU
10h 21m
1 stop
SJU
SFO
21h 43m
1 stop
Depart: Thu Oct 12 2017 Return: Mon Oct 16 2017 Trip spans 5 days
United
United
SFO
SJU
18h 20m
1 stop
SJU
SFO
15h 03m
1 stop
Depart: Tue Sep 12 2017 Return: Mon Sep 18 2017 Trip spans 7 days
Delta
Delta
SFO
SJU
10h 37m
1 stop
SJU
SFO
10h 55m
1 stop
Depart: Sat Jan 20 2018 Return: Sat Jan 27 2018 Trip spans 8 days
American Airlines
American Airlines
SFO
SJU
11h 40m
1 stop
SJU
SFO
11h 10m
1 stop
Depart: Tue Nov 14 2017 Return: Wed Nov 29 2017 Trip spans 16 days
Multiple Airlines
Multiple Airlines
SFO
SJU
12h 54m
1 stop
SJU
SFO
12h 30m
1 stop
Depart: Sat Nov 4 2017 Return: Tue Nov 7 2017 Trip spans 4 days
American Airlines
American Airlines
SFO
SJU
12h 40m
1 stop
SJU
SFO
10h 49m
1 stop
Depart: Fri Nov 3 2017 Return: Tue Nov 7 2017 Trip spans 5 days
Multiple Airlines
Multiple Airlines
SFO
SJU
22h 50m
1 stop
SJU
SFO
11h 10m
1 stop
Depart: Wed Sep 6 2017 Return: Sun Sep 10 2017 Trip spans 5 days
United
United
SFO
SJU
10h 00m
1 stop
SJU
SFO
14h 17m
1 stop
Depart: Tue Aug 29 2017 Return: Fri Sep 1 2017 Trip spans 4 days
Multiple Airlines
Multiple Airlines
SFO
SJU
11h 55m
2 stops
SJU
SFO
13h 05m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

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Airports
Origin

San Francisco
$385
Destination

San Juan
$385