$256+ Cheap flights from Oakland, CA (OAK) 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 5/30. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — SJO
Jun 8 — Jun 151
Round-trip
1 adult, Economy
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Find cheap flights from Oakland 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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Cheapest flights from Oakland to Costa RicaExplore the most affordable flight options available from Oakland to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 9, 2026.
Explore the most affordable flight options available from Oakland to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 9, 2026.
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:03 pm
OAK
- SJO
2 stops27h 30m
Alaska Airlines
Sun 5/3112:53 am
SJO
- OAK
2 stops33h 02m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$539
This Southwest deal was found by Cheapflights users on 5/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:45 pm
OAK
- SJO
2 stops16h 00m
Southwest
Wed 9/161:40 pm
SJO
- OAK
2 stops18h 15m
Southwest
Deal found 5/8![Southwest logo]()
$549
This Southwest deal was found by Cheapflights users on 5/9. 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.
Mon 9/147:55 pm
OAK
- SJO
2 stops15h 50m
Southwest
Sun 9/2012:35 pm
SJO
- OAK
2 stops19h 20m
Southwest
Deal found 5/9![Southwest logo]()
$551
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:03 pm
OAK
- SJO
2 stops27h 30m
Alaska Airlines
Thu 6/412:53 am
SJO
- OAK
2 stops43h 40m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$558
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/289:35 am
OAK
- SJO
2 stops12h 58m
Alaska Airlines
Mon 6/112:53 am
SJO
- OAK
2 stops33h 02m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$576
This CheapOair deal was found by Cheapflights users on 5/5. 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.
Thu 5/289:35 am
OAK
- SJO
2 stops12h 58m
Alaska Airlines
Thu 6/412:53 am
SJO
- OAK
2 stops32h 57m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$577
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/289:35 am
OAK
- SJO
2 stops12h 58m
Alaska Airlines
Tue 6/212:53 am
SJO
- OAK
2 stops33h 02m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$595
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/297:03 pm
OAK
- SJO
2 stops27h 30m
Alaska Airlines
Sun 5/3112:53 am
SJO
- OAK
2 stops33h 02m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$604
This Alaska Airlines deal was found by Cheapflights users on 5/7. 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.
Wed 8/2611:55 am
OAK
- LIR
2 stops54h 51m
Alaska Airlines
Sat 12/56:23 pm
LIR
- OAK
2 stops17h 42m
Alaska Airlines
Deal found 5/7![Alaska Airlines logo]()
$608
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:03 pm
OAK
- SJO
2 stops27h 30m
Alaska Airlines
Wed 6/312:53 am
SJO
- OAK
2 stops24h 06m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$609
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/297:03 pm
OAK
- SJO
2 stops27h 30m
Alaska Airlines
Tue 6/212:53 am
SJO
- OAK
2 stops33h 02m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$623
This Southwest deal was found by Cheapflights users on 5/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/235:05 am
OAK
- SJO
2 stops13h 35m
Southwest
Mon 7/271:40 pm
SJO
- OAK
2 stops10h 35m
Southwest
Deal found 5/6![Southwest logo]()
$636
Best flights from Oakland to Costa RicaDiscover carefully curated flight deals from Oakland to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 9, 2026.
Discover carefully curated flight deals from Oakland to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 9, 2026.
This Alaska Airlines deal was found by Cheapflights users on 5/7. 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.
Wed 8/2611:55 am
OAK
- LIR
2 stops54h 51m
Alaska Airlines
Sat 12/56:23 pm
LIR
- OAK
2 stops17h 42m
Alaska Airlines
Deal found 5/7![Alaska Airlines logo]()
$608
This Southwest deal was found by Cheapflights users on 5/5. 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 7/15:15 am
OAK
- SJO
2 stops13h 25m
Southwest
Sat 7/118:45 am
SJO
- OAK
2 stops14h 10m
Southwest
Deal found 5/5![Southwest logo]()
$696
This Delta deal was found by Cheapflights users on 5/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/244:57 pm
OAK
- LIR
2 stops18h 03m
Delta
Tue 12/82:05 pm
LIR
- OAK
2 stops24h 20m
Delta
Deal found 5/7![Delta logo]()
$908
This Southwest deal was found by Cheapflights users on 5/5. 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.
Mon 6/225:45 am
OAK
- SJO
2 stops12h 55m
Southwest
Mon 6/291:40 pm
SJO
- OAK
2 stops10h 30m
Southwest
Deal found 5/5![Southwest logo]()
$735
This Alaska Airlines deal was found by Cheapflights users on 5/7. 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.
Wed 8/2611:55 am
OAK
- LIR
2 stops54h 51m
Alaska Airlines
Sun 12/67:35 pm
LIR
- OAK
2 stops25h 44m
Alaska Airlines
Deal found 5/7![Alaska Airlines logo]()
$766
This Southwest deal was found by Cheapflights users on 5/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/205:05 am
OAK
- SJO
2 stops13h 35m
Southwest
Tue 7/288:45 am
SJO
- OAK
2 stops14h 40m
Southwest
Deal found 5/7![Southwest logo]()
$735
This Alaska Airlines deal was found by Cheapflights users on 5/5. 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.
Thu 9/246:52 pm
OAK
- SJO
2 stops23h 01m
Alaska Airlines
Mon 10/127:00 am
SJO
- OAK
2 stops27h 43m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$814
This Delta deal was found by Cheapflights users on 5/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2912:30 pm
OAK
- SJO
2 stops22h 19m
Delta
Sat 9/51:21 pm
SJO
- OAK
2 stops24h 03m
Delta
Deal found 5/8![Delta logo]()
$913
This Southwest deal was found by Cheapflights users on 5/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:45 am
OAK
- SJO
2 stops12h 15m
Southwest
Tue 6/91:40 pm
SJO
- OAK
2 stops10h 40m
Southwest
Deal found 5/8![Southwest logo]()
$775
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/219:35 am
OAK
- SJO
2 stops12h 58m
Alaska Airlines
Sun 5/3112:53 am
SJO
- OAK
2 stops33h 02m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$875
This Southwest deal was found by Cheapflights users on 5/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/159:05 pm
OAK
- LIR
2 stops15h 05m
Southwest
Tue 7/212:10 pm
LIR
- OAK
2 stops19h 00m
Southwest
Deal found 5/6![Southwest logo]()
$892
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/57:03 pm
OAK
- SJO
2 stops51h 30m
Alaska Airlines
Mon 6/151:06 am
SJO
- OAK
2 stops33h 20m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$925
This Southwest deal was found by Cheapflights users on 5/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/208:55 am
OAK
- SJO
1 stop9h 45m
Southwest
Sat 6/278:45 am
SJO
- OAK
1 stop11h 40m
Southwest
Deal found 5/7![Southwest logo]()
$893
This Expedia deal was found by Cheapflights users on 5/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/127:52 am
OAK
- LIR
2 stops32h 37m
Alaska Airlines
Thu 7/239:03 am
LIR
- OAK
3 stops14h 38m
Alaska Airlines
Deal found 5/8![Alaska Airlines logo]()
$966
This Southwest deal was found by Cheapflights users on 5/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/125:00 pm
OAK
- LIR
2 stops19h 10m
Southwest
Thu 7/232:10 pm
LIR
- OAK
2 stops20h 00m
Southwest
Deal found 5/8![Southwest logo]()
$954
This Alaska Airlines deal was found by Cheapflights users on 5/5. 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 5/259:35 am
OAK
- LIR
2 stops19h 45m
Alaska Airlines
Fri 5/2911:20 am
LIR
- OAK
2 stops22h 30m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$987
This Orbitz deal was found by Cheapflights users on 5/6. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/157:52 am
OAK
- LIR
2 stops21h 45m
Alaska Airlines
Tue 7/219:03 am
LIR
- OAK
3 stops14h 38m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$991
This Southwest deal was found by Cheapflights users on 5/9. 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.
Sun 6/2810:10 pm
OAK
- LIR
2 stops14h 00m
Southwest
Sun 7/511:50 am
LIR
- OAK
2 stops13h 25m
Southwest
Deal found 5/9![Southwest logo]()
$1,007
This Alaska Airlines deal was found by Cheapflights users on 5/7. 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 7/317:13 pm
OAK
- SJO
2 stops27h 33m
Alaska Airlines
Fri 8/71:06 am
SJO
- OAK
2 stops19h 17m
Alaska Airlines
Deal found 5/7![Alaska Airlines logo]()
$997
This Southwest deal was found by Cheapflights users on 5/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/228:40 pm
OAK
- LIR
2 stops15h 30m
Southwest
Mon 6/292:10 pm
LIR
- OAK
2 stops19h 55m
Southwest
Deal found 5/7![Southwest logo]()
$1,072
This Alaska Airlines deal was found by Cheapflights users on 5/7. 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 7/317:13 pm
OAK
- SJO
2 stops27h 33m
Alaska Airlines
Sat 8/81:06 am
SJO
- OAK
2 stops33h 20m
Alaska Airlines
Deal found 5/7![Alaska Airlines logo]()
$1,019
This Southwest deal was found by Cheapflights users on 5/5. 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.
Tue 6/239:00 pm
OAK
- LIR
2 stops15h 10m
Southwest
Mon 6/292:10 pm
LIR
- OAK
2 stops17h 45m
Southwest
Deal found 5/5![Southwest logo]()
$1,072
Last-minute flights from Oakland to Costa RicaDiscover last-minute flight deals from Oakland to Costa Rica. Data last updated May 9, 2026 and is based on user searches.
Discover last-minute flight deals from Oakland to Costa Rica. Data last updated May 9, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 5/5. 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 5/259:35 am
OAK
- LIR
2 stops19h 45m
Alaska Airlines
Fri 5/2911:20 am
LIR
- OAK
2 stops22h 30m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$987
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:03 pm
OAK
- SJO
2 stops27h 30m
Alaska Airlines
Sun 5/3112:53 am
SJO
- OAK
2 stops33h 02m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$539
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:03 pm
OAK
- SJO
2 stops27h 30m
Alaska Airlines
Thu 6/412:53 am
SJO
- OAK
2 stops43h 40m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$558
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:03 pm
OAK
- SJO
2 stops27h 30m
Alaska Airlines
Wed 6/312:53 am
SJO
- OAK
2 stops24h 06m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$609
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:03 pm
OAK
- SJO
2 stops27h 30m
Alaska Airlines
Fri 5/2912:53 am
SJO
- OAK
2 stops19h 40m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$640
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/289:35 am
OAK
- SJO
2 stops12h 58m
Alaska Airlines
Mon 6/112:53 am
SJO
- OAK
2 stops33h 02m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$576
This CheapOair deal was found by Cheapflights users on 5/5. 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.
Thu 5/289:35 am
OAK
- SJO
2 stops12h 58m
Alaska Airlines
Thu 6/412:53 am
SJO
- OAK
2 stops32h 57m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$577
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/289:35 am
OAK
- SJO
2 stops12h 58m
Alaska Airlines
Tue 6/212:53 am
SJO
- OAK
2 stops33h 02m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$595
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/289:35 am
OAK
- SJO
2 stops12h 58m
Alaska Airlines
Wed 6/312:53 am
SJO
- OAK
2 stops24h 06m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$646
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/297:03 pm
OAK
- SJO
2 stops27h 30m
Alaska Airlines
Sun 5/3112:53 am
SJO
- OAK
2 stops33h 02m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$604
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/297:03 pm
OAK
- SJO
2 stops27h 30m
Alaska Airlines
Tue 6/212:53 am
SJO
- OAK
2 stops33h 02m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$623
This Southwest deal was found by Cheapflights users on 5/5. 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.
Mon 6/2210:10 pm
OAK
- LIR
2 stops14h 00m
Southwest
Mon 6/292:10 pm
LIR
- OAK
2 stops20h 15m
Southwest
Deal found 5/5![Southwest logo]()
$892
One-way flights from Oakland to Costa RicaSearch for one-way flight options from Oakland to Costa Rica. Find affordable one-way fares based on user searches. Data last updated May 9, 2026.
Search for one-way flight options from Oakland to Costa Rica. Find affordable one-way fares based on user searches. Data last updated May 9, 2026.
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/309:30 am
OAK
- SJO
2 stops13h 03m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$256
This Alaska Airlines deal was found by Cheapflights users on 5/7. 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.
Tue 8/115:35 pm
OAK
- SJO
2 stops29h 11m
Alaska Airlines
Deal found 5/7![Alaska Airlines logo]()
$278
This CheapOair deal was found by Cheapflights users on 5/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/289:35 am
OAK
- SJO
2 stops12h 58m
Alaska Airlines
Deal found 5/7![Alaska Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 5/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:40 am
OAK
- SJO
1 stop10h 20m
Southwest
Deal found 5/6![Southwest logo]()
$323
This Mytrip deal was found by Cheapflights users on 5/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/21:22 pm
OAK
- SJO
1 stop9h 37m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$329
This CheapOair deal was found by Cheapflights users on 5/5. 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 10/1412:05 pm
OAK
- SJO
2 stops30h 25m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$341
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/319:35 am
OAK
- SJO
2 stops12h 58m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$373
This Southwest deal was found by Cheapflights users on 5/5. 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.
Sun 6/78:20 am
OAK
- SJO
1 stop9h 20m
Southwest
Deal found 5/5![Southwest logo]()
$383
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/309:30 am
OAK
- LIR
2 stops19h 50m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$390
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/269:35 am
OAK
- LIR
2 stops19h 45m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$502
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/247:13 pm
OAK
- LIR
2 stops34h 07m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$601
This Alaska Airlines deal was found by Cheapflights users on 5/7. 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.
Sun 6/216:22 am
OAK
- LIR
2 stops23h 15m
Alaska Airlines
Deal found 5/7![Alaska Airlines logo]()
$666
Find flight deals from Oakland to Costa Rica
Keep the following information in mind while searching for Oakland to Costa Rica flight deals. Data was last updated May 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $539 (Alaska Airlines) |
One-way from | $256 (Alaska Airlines) |
Popular in | December |
Cheapest in | September |
Average price | $582 |
Cheapflights Fare Finder
Customize your flight search to find flights from Oakland 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 May 9, 2026.
Use the filters below to find and compare flights from Oakland to Costa Rica that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OaklandLiberia
OAK - LIR
OAKLIR
Oakland
Wed 8/26
11:55 am-7:46 pm
2 stops54h 51m
Liberia
Sat 12/5
6:23 pm-10:05 am
2 stops17h 42m
$608
OaklandSan José
OAK - SJO
OAKSJO
Oakland
Wed 7/1
5:15 am-7:40 pm
2 stops13h 25m
San José Juan Santamaria Intl
Sat 7/11
8:45 am-9:55 pm
2 stops14h 10m
$696
OaklandSan José
OAK - SJO
OAKSJO
Oakland
Mon 6/22
5:45 am-7:40 pm
2 stops12h 55m
San José Juan Santamaria Intl
Mon 6/29
1:40 pm-11:10 pm
2 stops10h 30m
$735
OaklandSan José
OAK - SJO
OAKSJO
Oakland
Mon 7/20
5:05 am-7:40 pm
2 stops13h 35m
San José Juan Santamaria Intl
Tue 7/28
8:45 am-10:25 pm
2 stops14h 40m
$735
OaklandLiberia
OAK - LIR
OAKLIR
Oakland
Wed 8/26
11:55 am-7:46 pm
2 stops54h 51m
Liberia
Sun 12/6
7:35 pm-7:19 pm
2 stops25h 44m
$766
OaklandSan José
OAK - SJO
OAKSJO
Oakland
Tue 6/2
5:45 am-7:00 pm
2 stops12h 15m
San José Juan Santamaria Intl
Tue 6/9
1:40 pm-11:20 pm
2 stops10h 40m
$775
OaklandSan José
OAK - SJO
OAKSJO
Oakland
Thu 9/24
6:52 pm-6:53 pm
2 stops23h 01m
San José Juan Santamaria Intl
Mon 10/12
7:00 am-9:43 am
2 stops27h 43m
$814
OaklandSan José
OAK - SJO
OAKSJO
Oakland
Thu 5/21
9:35 am-11:33 pm
2 stops12h 58m
San José Juan Santamaria Intl
Sun 5/31
12:53 am-8:55 am
2 stops33h 02m
$875
OaklandLiberia
OAK - LIR
OAKLIR
Oakland
Wed 7/15
9:05 pm-1:10 pm
2 stops15h 05m
Liberia
Tue 7/21
2:10 pm-8:10 am
2 stops19h 00m
$892
Quickest round-trip
OaklandSan José
OAK - SJO
OAKSJO
Oakland
Sat 6/20
8:55 am-7:40 pm
1 stop9h 45m
San José Juan Santamaria Intl
Sat 6/27
8:45 am-7:25 pm
1 stop11h 40m
$893
Showing 1-10 of 34 resultsSorted by cheapest first
Best time to book a flight from Oakland to Costa Rica
Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Oakland with our price prediction graph.
OAK-SJO
OAK-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 Oakland to Costa Rica
OAK-CR0
OAK-SJO
OAK-LIR
What is the cheapest month to book a flight from Oakland, California to Costa Rica?
Currently, October is the cheapest month in which you can book a flight from Oakland, California to Costa Rica (average of $394). Flying from Oakland, California to Costa Rica in December is currently the most expensive (average of $1,108). 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.
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 May 9, 2026.
Peruse reviews from past customers who have flown with Southwest from Oakland to Costa Rica to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Related info for your journey
Find useful and relevant information for your journey from Oakland 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 Oakland to Costa Rica
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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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Oakland and Costa Rica flights
Browse other Oakland and Costa Rica flight options. Last updated on May 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Oakland to Costa Rica flights
Consider these flights traveling from Oakland to Costa Rica.
Top airline flying from Oakland to Costa Rica
Discover the top airline that operate flights from Oakland 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 May 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$512 | Average$578 | FlexibilityNo cancel fee | On-time63% |