Find Cheap Flights from San Francisco to Costa Rica

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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Book cheap flights from San Francisco to Costa Rica

(Round-trip)
Depart: Mon Oct 9 2017 Return: Tue Oct 17 2017 Trip spans 9 days
Multiple Airlines
Multiple Airlines
SFO
SJO
18h 05m
1 stop
SJO
SFO
20h 24m
1 stop
Depart: Wed Jan 24 2018 Return: Wed Jan 31 2018 Trip spans 8 days
Aeromexico
Aeromexico
SFO
SJO
33h 26m
2 stops
SJO
SFO
42h 25m
2 stops
Depart: Wed Oct 4 2017 Return: Thu Oct 12 2017 Trip spans 9 days
Alaska Airlines
Alaska Airlines
SFO
LIR
18h 17m
1 stop
LIR
SFO
19h 03m
1 stop
Depart: Sat Dec 2 2017 Return: Tue Dec 19 2017 Trip spans 18 days
United
United
SFO
SJO
8h 35m
1 stop
SJO
SFO
16h 20m
1 stop
Depart: Wed Jan 24 2018 Return: Wed Jan 31 2018 Trip spans 8 days
Copa Airlines
Copa Airlines
SFO
SJO
13h 20m
1 stop
SJO
SFO
10h 08m
1 stop
Depart: Sat Jul 29 2017 Return: Sat Aug 5 2017 Trip spans 8 days
American Airlines
American Airlines
SFO
SJO
8h 39m
1 stop
SJO
SFO
27h 43m
2 stops
Depart: Mon Oct 2 2017 Return: Thu Oct 5 2017 Trip spans 4 days
Multiple Airlines
Multiple Airlines
SFO
SJO
18h 05m
1 stop
SJO
SFO
20h 24m
1 stop
Depart: Mon Sep 4 2017 Return: Fri Sep 8 2017 Trip spans 5 days
Multiple Airlines
Multiple Airlines
SFO
SJO
18h 05m
1 stop
SJO
SFO
25h 39m
2 stops
Depart: Tue Sep 19 2017 Return: Tue Oct 3 2017 Trip spans 15 days
Multiple Airlines
Multiple Airlines
SFO
SJO
18h 05m
1 stop
SJO
SFO
20h 24m
1 stop
Depart: Mon Oct 2 2017 Return: Mon Oct 9 2017 Trip spans 8 days
Multiple Airlines
Multiple Airlines
SFO
SJO
18h 05m
1 stop
SJO
SFO
20h 24m
1 stop
Depart: Sat Dec 30 2017 Return: Sat Jan 6 2018 Trip spans 8 days
Sun Country Air
Sun Country Air
SFO
LIR
20h 05m
1 stop
LIR
SFO
26h 10m
1 stop
Depart: Sat Sep 23 2017 Return: Thu Sep 28 2017 Trip spans 6 days
Alaska Airlines
Alaska Airlines
SFO
LIR
18h 20m
1 stop
LIR
SFO
9h 25m
1 stop
Depart: Wed Nov 1 2017 Return: Tue Nov 14 2017 Trip spans 14 days
Multiple Airlines
Multiple Airlines
SFO
SJO
29h 10m
2 stops
SJO
SFO
14h 06m
2 stops
Depart: Tue Aug 8 2017 Return: Sun Aug 20 2017 Trip spans 13 days
Copa Airlines
Copa Airlines
SFO
SJO
24h 41m
1 stop
SJO
SFO
32h 30m
1 stop
Depart: Fri Jul 28 2017 Return: Fri Aug 11 2017 Trip spans 15 days
Avianca
Avianca
SFO
LIR
8h 08m
1 stop
LIR
SFO
8h 13m
1 stop
Depart: Sat Jul 22 2017 Return: Sat Jul 29 2017 Trip spans 8 days
United
United
SFO
SJO
10h 20m
1 stop
SJO
SFO
11h 31m
1 stop
Depart: Sun Dec 3 2017 Return: Wed Dec 13 2017 Trip spans 11 days
Multiple Airlines
Multiple Airlines
SFO
SJO
28h 10m
2 stops
SJO
SFO
14h 13m
2 stops
Depart: Mon Dec 4 2017 Return: Thu Dec 14 2017 Trip spans 11 days
Copa Airlines
Copa Airlines
SFO
SJO
14h 05m
1 stop
SJO
SFO
10h 14m
1 stop
Depart: Sat Oct 28 2017 Return: Tue Oct 31 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SFO
LIR
18h 22m
1 stop
LIR
SFO
19h 03m
1 stop
Depart: Fri Aug 25 2017 Return: Thu Aug 31 2017 Trip spans 7 days
Multiple Airlines
Multiple Airlines
SFO
SJO
23h 03m
2 stops
SJO
SFO
20h 24m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
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.

If you have more questions or if you have a bad price to report to us,
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Airports
Origin

San Francisco
$306
Destination

Liberia
$468
San Jose
$306