$143+ Cheap flights from San Francisco (SFO) to Costa Rica
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SJO
Mar 10 — Mar 171
1 adult, Economy
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Find cheap flights from San Francisco to Costa Rica with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Francisco to Costa Rica
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Cheapest flights from San Francisco to Costa RicaExplore the most affordable flight options available from San Francisco to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 8, 2026.
Explore the most affordable flight options available from San Francisco to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 8, 2026.
This Avianca deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2311:10 pm
SFO
- SJO
1 stop10h 15m
Avianca
Wed 3/45:00 am
SJO
- SFO
1 stop9h 00m
Avianca
Deal found 2/5![Avianca logo]()
$354
This Avianca deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/42:15 pm
SFO
- SJO
1 stop8h 25m
Avianca
Mon 5/117:45 pm
SJO
- SFO
1 stop18h 05m
Avianca
Deal found 2/5![Avianca logo]()
$355
This Avianca deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2011:55 pm
SFO
- SJO
1 stop10h 35m
Avianca
Wed 5/205:05 am
SJO
- SFO
1 stop8h 45m
Avianca
Deal found 2/5![Avianca logo]()
$358
This CheapOair deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2010:34 pm
SFO
- SJO
1 stop12h 41m
Frontier
Sat 2/282:30 pm
SJO
- SFO
1 stop33h 09m
Frontier
Deal found 2/8![Frontier logo]()
$360
This Avianca deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/21:20 pm
SFO
- SJO
1 stop8h 20m
Avianca
Mon 3/97:50 pm
SJO
- SFO
1 stop18h 10m
Avianca
Deal found 2/8![Avianca logo]()
$364
This Avianca deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/71:35 am
SFO
- SJO
1 stop10h 05m
Avianca
Tue 3/173:05 pm
SJO
- SFO
1 stop9h 35m
Avianca
Deal found 2/5![Avianca logo]()
$365
This Alaska Airlines deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/13:17 pm
SFO
- LIR
1 stop14h 03m
Alaska Airlines
Sat 5/95:09 pm
LIR
- SFO
Nonstop6h 53m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$368
This Alaska Airlines deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/61:45 pm
SFO
- LIR
1 stop15h 35m
Alaska Airlines
Sat 5/95:09 pm
LIR
- SFO
Nonstop6h 53m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$369
This KAYAK deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/411:05 pm
SFO
- LIR
1 stop11h 50m
JetBlue
Fri 5/81:00 pm
LIR
- SFO
1 stop11h 56m
JetBlue
Deal found 2/5![JetBlue logo]()
$374
This Avianca deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1911:55 pm
SFO
- SJO
1 stop7h 50m
Avianca
Mon 4/277:45 pm
SJO
- SFO
1 stop18h 05m
Avianca
Deal found 2/6![Avianca logo]()
$375
This Alaska Airlines deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/98:43 am
SFO
- LIR
Nonstop6h 16m
Alaska Airlines
Tue 5/1211:20 am
LIR
- SFO
1 stop9h 59m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$375
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/102:20 pm
SFO
- SJO
1 stop8h 10m
Avianca
Mon 3/167:50 pm
SJO
- SFO
1 stop18h 10m
Avianca
Deal found 2/8![Avianca logo]()
$378
Best flights from San Francisco to Costa RicaDiscover carefully curated flight deals from San Francisco to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 8, 2026.
Discover carefully curated flight deals from San Francisco to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 8, 2026.
This Alaska Airlines deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/43:17 pm
SFO
- LIR
1 stop14h 03m
Alaska Airlines
Sat 5/95:09 pm
LIR
- SFO
Nonstop6h 53m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$368
This United Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:07 pm
SFO
- LIR
1 stop19h 12m
United Airlines
Thu 4/231:20 pm
LIR
- SFO
1 stop11h 39m
United Airlines
Deal found 2/4![United Airlines logo]()
$378
This JetBlue deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2310:39 pm
SFO
- SJO
1 stop12h 21m
JetBlue
Fri 2/272:05 pm
SJO
- SFO
1 stop11h 54m
JetBlue
Deal found 2/6![JetBlue logo]()
$455
This Copa Airlines deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/98:35 pm
SFO
- SJO
3 stops19h 13m
Copa Airlines
Thu 4/238:13 am
SJO
- SFO
1 stop16h 27m
Copa Airlines
Deal found 2/5![Copa Airlines logo]()
$495
This Southwest deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/49:30 pm
SFO
- SJO
2 stops14h 25m
Southwest
Wed 3/118:45 am
SJO
- SFO
2 stops15h 00m
Southwest
Deal found 2/4![Southwest logo]()
$567
This Alaska Airlines deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/98:43 am
SFO
- LIR
Nonstop6h 16m
Alaska Airlines
Tue 5/1211:20 am
LIR
- SFO
1 stop9h 59m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$375
This Alaska Airlines deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:57 pm
SFO
- LIR
1 stop11h 23m
Alaska Airlines
Tue 5/1211:20 am
LIR
- SFO
1 stop9h 59m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/711:15 am
SFO
- LIR
Nonstop6h 16m
United Airlines
Wed 3/117:35 am
LIR
- SFO
1 stop17h 24m
United Airlines
Deal found 2/6![United Airlines logo]()
$434
This JetBlue deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2911:14 pm
SFO
- SJO
1 stop11h 36m
JetBlue
Tue 4/71:00 pm
SJO
- SFO
1 stop22h 12m
JetBlue
Deal found 2/5![JetBlue logo]()
$456
This Alaska Airlines deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/83:17 pm
SFO
- LIR
1 stop14h 03m
Alaska Airlines
Thu 5/1411:20 am
LIR
- SFO
1 stop9h 37m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$393
This United Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/285:10 am
SFO
- LIR
1 stop8h 58m
United Airlines
Sat 3/74:53 pm
LIR
- SFO
1 stop9h 22m
United Airlines
Deal found 2/7![United Airlines logo]()
$438
This Copa Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:35 pm
SFO
- SJO
2 stops19h 13m
Copa Airlines
Sun 4/268:46 am
SJO
- SFO
1 stop10h 39m
Copa Airlines
Deal found 2/7![Copa Airlines logo]()
$515
This Alaska Airlines deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/98:43 am
SFO
- LIR
Nonstop6h 16m
Alaska Airlines
Wed 5/1311:20 am
LIR
- SFO
1 stop28h 38m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$397
This Alaska Airlines deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/126:00 am
SFO
- LIR
1 stop10h 02m
Alaska Airlines
Fri 4/177:40 am
LIR
- SFO
2 stops16h 45m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$398
This JetBlue deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1611:14 pm
SFO
- SJO
1 stop11h 36m
JetBlue
Thu 3/268:59 am
SJO
- SFO
1 stop15h 17m
JetBlue
Deal found 2/6![JetBlue logo]()
$594
This Southwest deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/185:05 am
SFO
- SJO
2 stops13h 35m
Southwest
Tue 3/318:45 am
SJO
- SFO
2 stops15h 00m
Southwest
Deal found 2/5![Southwest logo]()
$655
This Alaska Airlines deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/107:40 pm
SFO
- LIR
1 stop9h 40m
Alaska Airlines
Mon 5/1111:20 am
LIR
- SFO
1 stop25h 10m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$407
This Copa Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/198:35 pm
SFO
- SJO
3 stops19h 13m
Copa Airlines
Mon 4/278:13 am
SJO
- SFO
1 stop16h 27m
Copa Airlines
Deal found 2/8![Copa Airlines logo]()
$621
This United Airlines deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1611:36 pm
SFO
- SJO
Nonstop6h 39m
United Airlines
Tue 6/308:45 am
SJO
- SFO
Nonstop6h 45m
United Airlines
Deal found 2/5![United Airlines logo]()
$594
This Alaska Airlines deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:40 pm
SFO
- LIR
1 stop9h 40m
Alaska Airlines
Fri 5/811:20 am
LIR
- SFO
2 stops11h 29m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$414
This United Airlines deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/294:45 pm
SFO
- SJO
1 stop16h 26m
United Airlines
Tue 4/78:45 am
SJO
- SFO
Nonstop6h 45m
United Airlines
Deal found 2/6![United Airlines logo]()
$598
This Alaska Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/13:17 pm
SFO
- LIR
1 stop14h 03m
Alaska Airlines
Sat 5/95:09 pm
LIR
- SFO
Nonstop6h 53m
Alaska Airlines
Deal found 2/7![Alaska Airlines logo]()
$428
This United Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2811:36 pm
SFO
- SJO
Nonstop6h 39m
United Airlines
Tue 6/98:45 am
SJO
- SFO
Nonstop6h 45m
United Airlines
Deal found 2/7![United Airlines logo]()
$619
This Alaska Airlines deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/248:42 am
SFO
- SJO
2 stops13h 25m
Alaska Airlines
Tue 3/101:28 am
SJO
- SFO
2 stops21h 15m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$643
Last-minute flights from San Francisco to Costa RicaDiscover last-minute flight deals from San Francisco to Costa Rica. Data last updated February 8, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Costa Rica. Data last updated February 8, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2010:34 pm
SFO
- SJO
1 stop12h 41m
Frontier
Sat 2/282:30 pm
SJO
- SFO
1 stop33h 09m
Frontier
Deal found 2/8![Frontier logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/211:35 am
SFO
- SJO
1 stop10h 05m
Multiple Airlines
Wed 2/251:31 pm
SJO
- SFO
2 stops34h 08m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$380
This Avianca deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2311:10 pm
SFO
- SJO
1 stop10h 15m
Avianca
Wed 3/45:00 am
SJO
- SFO
1 stop9h 00m
Avianca
Deal found 2/5![Avianca logo]()
$354
This FlightHub deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/241:20 pm
SFO
- SJO
1 stop8h 10m
Avianca
Tue 3/33:05 pm
SJO
- SFO
1 stop10h 15m
Avianca
Deal found 2/6![Avianca logo]()
$389
This American Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:16 pm
SFO
- LIR
1 stop16h 16m
American Airlines
Wed 3/43:32 pm
LIR
- SFO
1 stop19h 39m
American Airlines
Deal found 2/4![American Airlines logo]()
$378
This American Airlines deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:16 pm
SFO
- LIR
1 stop16h 16m
American Airlines
Tue 3/33:29 pm
LIR
- SFO
2 stops23h 01m
American Airlines
Deal found 2/5![American Airlines logo]()
$383
This Avianca deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/111:10 pm
SFO
- SJO
1 stop10h 15m
Avianca
Wed 3/114:30 pm
SJO
- SFO
1 stop21h 30m
Avianca
Deal found 2/7![Avianca logo]()
$387
This Avianca deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/211:10 pm
SFO
- SJO
1 stop10h 15m
Avianca
Mon 3/167:50 pm
SJO
- SFO
1 stop18h 10m
Avianca
Deal found 2/7![Avianca logo]()
$355
This Avianca deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/21:20 pm
SFO
- SJO
1 stop8h 20m
Avianca
Mon 3/97:50 pm
SJO
- SFO
1 stop18h 10m
Avianca
Deal found 2/8![Avianca logo]()
$364
This Avianca deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/71:35 am
SFO
- SJO
1 stop10h 05m
Avianca
Tue 3/173:05 pm
SJO
- SFO
1 stop9h 35m
Avianca
Deal found 2/5![Avianca logo]()
$365
This Avianca deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/102:35 am
SFO
- SJO
1 stop10h 05m
Avianca
Wed 3/185:00 am
SJO
- SFO
1 stop18h 50m
Avianca
Deal found 2/5![Avianca logo]()
$375
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/102:20 pm
SFO
- SJO
1 stop8h 10m
Avianca
Mon 3/167:50 pm
SJO
- SFO
1 stop18h 10m
Avianca
Deal found 2/8![Avianca logo]()
$378
One-way flights from San Francisco to Costa RicaSearch for one-way flight options from San Francisco to Costa Rica. Find affordable one-way fares based on user searches. Data last updated February 8, 2026.
Search for one-way flight options from San Francisco to Costa Rica. Find affordable one-way fares based on user searches. Data last updated February 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:00 am
SFO
- SJO
3 stops28h 22m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$143
This Frontier deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2010:34 pm
SFO
- SJO
1 stop12h 41m
Frontier
Deal found 2/8![Frontier logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/111:09 pm
SFO
- SJO
2 stops35h 13m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2111:00 pm
SFO
- SJO
2 stops35h 22m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$161
This Avianca deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2311:10 pm
SFO
- SJO
1 stop10h 15m
Avianca
Deal found 2/7![Avianca logo]()
$163
This Avianca deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/211:35 am
SFO
- SJO
1 stop7h 50m
Avianca
Deal found 2/5![Avianca logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:35 am
SFO
- SJO
3 stops26h 47m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/171:20 pm
SFO
- SJO
1 stop8h 10m
Avianca
Deal found 2/5![Avianca logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/119:33 pm
SFO
- SJO
3 stops36h 49m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$171
This KAYAK deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2710:39 pm
SFO
- LIR
1 stop10h 36m
JetBlue
Deal found 2/5![JetBlue logo]()
$171
This CheapOair deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:40 am
SFO
- SJO
2 stops15h 05m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$173
This American Airlines deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:16 pm
SFO
- LIR
1 stop16h 16m
American Airlines
Deal found 2/5![American Airlines logo]()
$173
Find flight deals from San Francisco to Costa Rica
Keep the following information in mind while searching for San Francisco to Costa Rica flight deals. Data was last updated February 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $354 (Avianca) |
One-way from | $143 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $556 |
Good round-trip deal | $427 or less |
Good one-way deal | $199 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco to Costa Rica that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 8, 2026.
Use the filters below to find and compare flights from San Francisco to Costa Rica that are best for you.
Fly from
San Francisco
Fly to
Costa Rica
Route
Depart
Return
Price
San FranciscoLiberia
SFO - LIR
SFOLIR
San Francisco
Mon 5/4
3:17 pm-6:20 am
1 stop14h 03m
Liberia
Sat 5/9
5:09 pm-11:02 pm
Nonstop6h 53m
$368
San FranciscoLiberia
SFO - LIR
SFOLIR
San Francisco
Sat 5/9
8:43 am-3:59 pm
Nonstop6h 16m
Liberia
Tue 5/12
11:20 am-8:19 pm
1 stop9h 59m
$375
San FranciscoLiberia
SFO - LIR
SFOLIR
San Francisco
Wed 4/15
7:07 pm-3:19 pm
1 stop19h 12m
Liberia
Thu 4/23
1:20 pm-11:59 pm
1 stop11h 39m
$378
San FranciscoLiberia
SFO - LIR
SFOLIR
San Francisco
Tue 5/5
5:57 pm-6:20 am
1 stop11h 23m
Liberia
Tue 5/12
11:20 am-8:19 pm
1 stop9h 59m
$379
San FranciscoLiberia
SFO - LIR
SFOLIR
San Francisco
Fri 5/8
3:17 pm-6:20 am
1 stop14h 03m
Liberia
Thu 5/14
11:20 am-7:57 pm
1 stop9h 37m
$393
San FranciscoLiberia
SFO - LIR
SFOLIR
San Francisco
Sat 5/9
8:43 am-3:59 pm
Nonstop6h 16m
Liberia
Wed 5/13
11:20 am-2:58 pm
1 stop28h 38m
$397
San FranciscoLiberia
SFO - LIR
SFOLIR
San Francisco
Sun 4/12
6:00 am-5:02 pm
1 stop10h 02m
Liberia
Fri 4/17
7:40 am-11:25 pm
2 stops16h 45m
$398
San FranciscoLiberia
SFO - LIR
SFOLIR
San Francisco
Sun 5/10
7:40 pm-6:20 am
1 stop9h 40m
Liberia
Mon 5/11
11:20 am-11:30 am
1 stop25h 10m
$407
San FranciscoLiberia
SFO - LIR
SFOLIR
San Francisco
Tue 5/5
7:40 pm-6:20 am
1 stop9h 40m
Liberia
Fri 5/8
11:20 am-9:49 pm
2 stops11h 29m
$414
San FranciscoLiberia
SFO - LIR
SFOLIR
San Francisco
Fri 5/1
3:17 pm-6:20 am
1 stop14h 03m
Liberia
Sat 5/9
5:09 pm-11:02 pm
Nonstop6h 53m
$428
Showing 1-10 of 45 results
Best time to book a flight from San Francisco to Costa Rica
Have a flexible travel schedule? Discover the best time to fly to Costa Rica from San Francisco with our price prediction graph.
SFO-SJO
SFO-LIR
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Francisco to Costa Rica
SFO-CR0
SFO-SJO
SFO-LIR
What is the cheapest month to book a flight from San Francisco to Costa Rica?
Currently, November is the cheapest month in which you can book a flight from San Francisco to Costa Rica (average of $219). Flying from San Francisco to Costa Rica in June is currently the most expensive (average of $408). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SFO to CR?
Find hourly flight availability from San Francisco to Costa Rica. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 8, 2026.
When flying from San Francisco to Costa Rica, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from San Francisco to Costa Rica
Explore weekly flight availability from San Francisco to Costa Rica. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 8, 2026.
The most flights from SFO to CR0 are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).
How often are flights from San Francisco to Costa Rica delayed?
About 16% of weekly flights between San Francisco and Costa Rica have experienced delays in the past year, with the average delay time being 97 minutes.
What is the most punctual flight time for San Francisco to Costa Rica flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Monday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on San Francisco to Costa Rica flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 15% of flights being delayed.
Reviews of airlines servicing Costa Rica
Get insights into the airlines that provide service to Costa Rica. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Costa Rica. Reviews last updated February 8, 2026.
Read through reviews of airlines operating flights from San Francisco to Costa Rica, such as Alaska Airlines, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.5
Food
7.1
Entertainment
7.0
Comfort
7.8
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Boarding
8.1
Crew
8.5
Food
7.1
Entertainment
7.0
Comfort
7.8
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Boarding
8.1
Crew
8.5
Food
7.1
Entertainment
7.0
Comfort
7.8
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Boarding
8.1
Crew
8.5
Food
7.1
Entertainment
7.0
Comfort
7.8
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Boarding
8.1
Crew
8.5
Food
7.1
Entertainment
7.0
Comfort
7.8
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Boarding
8.1
Crew
8.5
Food
7.1
Entertainment
7.0
Comfort
7.8
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Costa Rica. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for San Francisco to Costa Rica
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Costa Rica by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from San Francisco to Costa Rica, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Francisco and Costa Rica flights
Browse other San Francisco and Costa Rica flight options. Last updated on February 8, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 8 airlines flying from San Francisco to Costa Rica
Discover the top 8 airlines that operate flights from San Francisco to Costa Rica. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$296 | Average$607 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$320 | Average$514 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$336 | Average$542 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$345 | Average$615 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$370 | Average$742 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$394 | Average$825 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$426 | Average$783 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$529 | Average$669 | FlexibilityNo cancel fee | On-time63% |