Find Deals on 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
Students
under 26
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: Sun Mar 5 2017 Return: Tue Mar 7 2017 Trip spans 3 days
JetBlue
JetBlue
SFO
SJO
14h 14m
1 stop
SJO
SFO
11h 25m
1 stop
Depart: Sat Jan 28 2017 Return: Tue Mar 7 2017 Trip spans 39 days
Alaska Airlines
Alaska Airlines
SFO
LIR
16h 56m
2 stops
LIR
SFO
16h 59m
2 stops
Depart: Mon Jan 9 2017 Return: Sun Jan 22 2017 Trip spans 14 days
Major Airline
Major Airline
SFO
LIR
15h 01m
1 stop
LIR
SFO
11h 10m
1 stop
Depart: Tue Jan 24 2017 Return: Fri Feb 3 2017 Trip spans 11 days
United
United
SFO
SJO
12h 10m
2 stops
SJO
SFO
17h 19m
2 stops
Depart: Thu Jun 8 2017 Return: Tue Jun 13 2017 Trip spans 6 days
Copa Airlines
Copa Airlines
SFO
SJO
13h 31m
1 stop
SJO
SFO
10h 29m
1 stop
Depart: Wed Dec 28 2016 Return: Thu Dec 29 2016 Trip spans 2 days
Aeromexico
Aeromexico
SFO
SJO
9h 12m
1 stop
SJO
SFO
10h 31m
1 stop
Depart: Tue Apr 4 2017 Return: Thu Apr 20 2017 Trip spans 17 days
JetBlue
JetBlue
SFO
SJO
14h 14m
1 stop
SJO
SFO
11h 25m
1 stop
Depart: Sat Apr 1 2017 Return: Sat Apr 8 2017 Trip spans 8 days
Avianca
Avianca
SFO
SJO
13h 50m
1 stop
SJO
SFO
8h 15m
1 stop
Depart: Sat Mar 4 2017 Return: Tue Mar 7 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SFO
LIR
21h 58m
2 stops
LIR
SFO
16h 59m
2 stops
Depart: Thu Feb 23 2017 Return: Tue Mar 7 2017 Trip spans 13 days
JetBlue
JetBlue
SFO
SJO
12h 01m
1 stop
SJO
SFO
11h 25m
1 stop
Depart: Mon Feb 27 2017 Return: Tue Mar 7 2017 Trip spans 9 days
Alaska Airlines
Alaska Airlines
SFO
LIR
16h 58m
2 stops
LIR
SFO
20h 49m
2 stops
Depart: Sat Feb 11 2017 Return: Sat Feb 18 2017 Trip spans 8 days
Major Airline
Major Airline
SFO
LIR
15h 35m
2 stops
LIR
SFO
28h 43m
2 stops
Depart: Thu Feb 2 2017 Return: Sun Feb 12 2017 Trip spans 11 days
United
United
SFO
LIR
13h 05m
2 stops
LIR
SFO
16h 01m
2 stops
Depart: Tue Feb 28 2017 Return: Tue Mar 7 2017 Trip spans 8 days
JetBlue
JetBlue
SFO
SJO
12h 58m
1 stop
SJO
SFO
11h 25m
1 stop
Depart: Sun May 7 2017 Return: Fri May 12 2017 Trip spans 6 days
United
United
SFO
LIR
18h 30m
2 stops
LIR
SFO
20h 10m
2 stops
Depart: Tue Jan 17 2017 Return: Thu Jan 26 2017 Trip spans 10 days
JetBlue
JetBlue
SFO
SJO
12h 03m
1 stop
SJO
SFO
11h 38m
1 stop
Depart: Fri Feb 10 2017 Return: Sat Feb 18 2017 Trip spans 9 days
Copa Airlines
Copa Airlines
SFO
SJO
9h 13m
1 stop
SJO
SFO
12h 25m
1 stop
Depart: Sat Dec 31 2016 Return: Tue Jan 10 2017 Trip spans 11 days
United
United
SFO
LIR
18h 26m
2 stops
LIR
SFO
20h 01m
2 stops
Depart: Sun Mar 5 2017 Return: Sun Mar 12 2017 Trip spans 8 days
Major Airline
Major Airline
SFO
LIR
19h 59m
1 stop
LIR
SFO
24h 20m
1 stop
Depart: Sun May 7 2017 Return: Sun May 14 2017 Trip spans 8 days
United
United
SFO
LIR
18h 30m
2 stops
LIR
SFO
15h 55m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

San Francisco
$388
Destination

Liberia
$450
San Jose
$388