$157+ Cheap flights from Philadelphia (PHL) 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SJO
Aug 15 — Aug 221
Round-trip
1 adult, Economy
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Find cheap flights from Philadelphia to Costa Rica with Cheapflights
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Cheapest flights from Philadelphia to Costa RicaExplore the most affordable flight options available from Philadelphia to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 16, 2026.
Explore the most affordable flight options available from Philadelphia to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 16, 2026.
This JetBlue deal was found by Cheapflights users on 7/12. 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.
Tue 9/16:00 am
PHL
- LIR
1 stop9h 01m
JetBlue
Fri 9/42:06 pm
LIR
- PHL
1 stop7h 47m
JetBlue
Deal found 7/12![JetBlue logo]()
$382
This American Airlines deal was found by Cheapflights users on 7/13. 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.
Sat 12/129:08 pm
PHL
- LIR
1 stop18h 37m
American Airlines
Thu 12/1711:55 am
LIR
- PHL
1 stop11h 54m
American Airlines
Deal found 7/13![American Airlines logo]()
$384
This American Airlines deal was found by Cheapflights users on 7/12. 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.
Sun 9/68:17 pm
PHL
- LIR
1 stop19h 21m
American Airlines
Thu 9/102:47 pm
LIR
- PHL
2 stops18h 28m
American Airlines
Deal found 7/12![American Airlines logo]()
$389
This JetBlue deal was found by Cheapflights users on 7/14. 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 8/308:00 am
PHL
- LIR
1 stop7h 01m
JetBlue
Thu 9/32:06 pm
LIR
- PHL
1 stop7h 47m
JetBlue
Deal found 7/14![JetBlue logo]()
$402
This American Airlines deal was found by Cheapflights users on 7/14. 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.
Tue 9/86:00 am
PHL
- LIR
1 stop7h 29m
American Airlines
Tue 9/152:47 pm
LIR
- PHL
2 stops19h 07m
American Airlines
Deal found 7/14![American Airlines logo]()
$405
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 10/137:45 am
PHL
- SJO
1 stop9h 26m
Multiple Airlines
Wed 10/218:55 am
SJO
- PHL
1 stop25h 37m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$416
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 10/185:38 pm
PHL
- SJO
2 stops23h 33m
Multiple Airlines
Mon 10/267:07 am
SJO
- PHL
1 stop12h 34m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$417
This Southwest deal was found by Cheapflights users on 7/15. 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 11/97:05 am
PHL
- SJO
1 stop7h 10m
Southwest
Mon 11/169:00 am
SJO
- PHL
1 stop13h 10m
Southwest
Deal found 7/15![Southwest logo]()
$420
This Kiwi.com deal was found by Cheapflights users on 7/15. 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.
Fri 10/26:06 pm
PHL
- SJO
1 stop15h 49m
Multiple Airlines
Tue 10/67:07 am
SJO
- PHL
2 stops22h 29m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$422
This KAYAK deal was found by Cheapflights users on 7/12. 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.
Tue 8/188:00 am
PHL
- LIR
1 stop7h 01m
JetBlue
Wed 9/22:06 pm
LIR
- PHL
1 stop7h 47m
JetBlue
Deal found 7/12![JetBlue logo]()
$426
This JetBlue deal was found by Cheapflights users on 7/12. 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 8/178:00 am
PHL
- LIR
1 stop7h 01m
JetBlue
Sat 9/52:06 pm
LIR
- PHL
1 stop7h 47m
JetBlue
Deal found 7/12![JetBlue logo]()
$427
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 10/147:45 am
PHL
- SJO
1 stop9h 26m
Multiple Airlines
Wed 10/287:07 am
SJO
- PHL
2 stops14h 04m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$435
Best flights from Philadelphia to Costa RicaDiscover carefully curated flight deals from Philadelphia to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 16, 2026.
Discover carefully curated flight deals from Philadelphia to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 16, 2026.
This Southwest deal was found by Cheapflights users on 7/15. 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 11/97:05 am
PHL
- SJO
1 stop7h 10m
Southwest
Mon 11/169:00 am
SJO
- PHL
1 stop13h 10m
Southwest
Deal found 7/15![Southwest logo]()
$420
This Air Canada deal was found by Cheapflights users on 7/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/129:15 am
PHL
- LIR
1 stop29h 55m
Air Canada
Thu 12/173:20 pm
LIR
- PHL
1 stop22h 24m
Air Canada
Deal found 7/11![Air Canada logo]()
$480
This United Airlines deal was found by Cheapflights users on 7/15. 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 11/76:25 am
PHL
- LIR
2 stops13h 12m
United Airlines
Tue 11/105:20 pm
LIR
- PHL
2 stops19h 53m
United Airlines
Deal found 7/15![United Airlines logo]()
$533
This Alaska Airlines deal was found by Cheapflights users on 7/12. 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 9/234:48 pm
PHL
- LIR
2 stops53h 04m
Alaska Airlines
Sun 9/278:32 am
LIR
- PHL
3 stops29h 13m
Alaska Airlines
Deal found 7/12![Alaska Airlines logo]()
$872
This Southwest deal was found by Cheapflights users on 7/13. 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 10/186:20 am
PHL
- SJO
2 stops15h 20m
Southwest
Fri 10/239:00 am
SJO
- PHL
1 stop12h 25m
Southwest
Deal found 7/13![Southwest logo]()
$442
This JetBlue deal was found by Cheapflights users on 7/14. 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 8/106:00 am
PHL
- LIR
1 stop9h 01m
JetBlue
Mon 8/172:06 pm
LIR
- PHL
1 stop7h 47m
JetBlue
Deal found 7/14![JetBlue logo]()
$927
This Southwest deal was found by Cheapflights users on 7/11. 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 10/147:45 am
PHL
- SJO
2 stops13h 55m
Southwest
Fri 10/169:00 am
SJO
- PHL
1 stop12h 25m
Southwest
Deal found 7/11![Southwest logo]()
$446
This United Airlines deal was found by Cheapflights users on 7/15. 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 9/169:30 am
PHL
- SJO
2 stops12h 07m
United Airlines
Tue 9/227:55 am
SJO
- PHL
1 stop12h 36m
United Airlines
Deal found 7/15![United Airlines logo]()
$539
This Southwest deal was found by Cheapflights users on 7/13. 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 10/146:25 am
PHL
- SJO
2 stops15h 15m
Southwest
Mon 10/199:00 am
SJO
- PHL
2 stops12h 50m
Southwest
Deal found 7/13![Southwest logo]()
$495
This Southwest deal was found by Cheapflights users on 7/12. 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 9/246:20 am
PHL
- SJO
2 stops14h 20m
Southwest
Mon 10/59:00 am
SJO
- PHL
2 stops12h 10m
Southwest
Deal found 7/12![Southwest logo]()
$506
This United Airlines deal was found by Cheapflights users on 7/11. 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 9/16:16 am
PHL
- LIR
1 stop7h 54m
United Airlines
Fri 9/41:20 pm
LIR
- PHL
2 stops23h 20m
United Airlines
Deal found 7/11![United Airlines logo]()
$619
This United Airlines deal was found by Cheapflights users on 7/12. 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.
Mon 8/176:16 am
PHL
- LIR
1 stop7h 54m
United Airlines
Fri 9/41:20 pm
LIR
- PHL
2 stops21h 03m
United Airlines
Deal found 7/12![United Airlines logo]()
$619
This Southwest deal was found by Cheapflights users on 7/14. 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.
Fri 11/132:30 pm
PHL
- SJO
2 stops22h 45m
Southwest
Wed 11/189:00 am
SJO
- PHL
2 stops12h 00m
Southwest
Deal found 7/14![Southwest logo]()
$521
This Southwest deal was found by Cheapflights users on 7/13. 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 11/46:25 am
PHL
- SJO
1 stop7h 50m
Southwest
Sun 11/89:00 am
SJO
- PHL
1 stop13h 05m
Southwest
Deal found 7/13![Southwest logo]()
$540
This United Airlines deal was found by Cheapflights users on 7/15. 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.
Fri 12/44:56 pm
PHL
- LIR
2 stops26h 41m
United Airlines
Mon 12/78:35 am
LIR
- PHL
2 stops24h 52m
United Airlines
Deal found 7/15![United Airlines logo]()
$655
This United Airlines deal was found by Cheapflights users on 7/15. 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 12/1010:10 am
PHL
- LIR
2 stops28h 00m
United Airlines
Mon 12/148:35 am
LIR
- PHL
2 stops28h 47m
United Airlines
Deal found 7/15![United Airlines logo]()
$683
This United Airlines deal was found by Cheapflights users on 7/12. 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 8/206:56 pm
PHL
- LIR
2 stops19h 14m
United Airlines
Sat 9/51:20 pm
LIR
- PHL
1 stop20h 38m
United Airlines
Deal found 7/12![United Airlines logo]()
$699
This United Airlines deal was found by Cheapflights users on 7/12. 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 8/236:16 am
PHL
- LIR
1 stop7h 54m
United Airlines
Sat 8/291:20 pm
LIR
- PHL
2 stops23h 20m
United Airlines
Deal found 7/12![United Airlines logo]()
$724
Last-minute flights from Philadelphia to Costa RicaDiscover last-minute flight deals from Philadelphia to Costa Rica. Data last updated July 16, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Costa Rica. Data last updated July 16, 2026 and is based on user searches.
This Travelocity deal was found by Cheapflights users on 7/15. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/51:28 pm
PHL
- SJO
1 stop20h 52m
Frontier
Thu 8/139:35 am
SJO
- PHL
1 stop21h 12m
Frontier
Deal found 7/15![Frontier logo]()
$464
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 8/58:30 am
PHL
- SJO
2 stops25h 50m
Multiple Airlines
Tue 8/117:07 am
SJO
- PHL
1 stop15h 30m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$483
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 8/58:30 am
PHL
- SJO
2 stops25h 50m
Multiple Airlines
Wed 8/127:07 am
SJO
- PHL
1 stop14h 37m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$489
This Kiwi.com deal was found by Cheapflights users on 7/14. 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.
Thu 8/64:30 pm
PHL
- SJO
2 stops24h 41m
Multiple Airlines
Tue 8/117:07 am
SJO
- PHL
1 stop15h 30m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$487
This Frontier deal was found by Cheapflights users on 7/13. 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 8/78:30 am
PHL
- SJO
2 stops26h 00m
Frontier
Thu 8/139:35 am
SJO
- PHL
1 stop21h 12m
Frontier
Deal found 7/13![Frontier logo]()
$466
This Frontier deal was found by Cheapflights users on 7/14. 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.
Sat 8/89:16 pm
PHL
- SJO
1 stop13h 04m
Frontier
Thu 8/139:35 am
SJO
- PHL
1 stop13h 18m
Frontier
Deal found 7/14![Frontier logo]()
$478
This JetBlue deal was found by Cheapflights users on 7/12. 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 8/178:00 am
PHL
- LIR
1 stop7h 01m
JetBlue
Fri 9/42:06 pm
LIR
- PHL
1 stop7h 47m
JetBlue
Deal found 7/12![JetBlue logo]()
$382
This JetBlue deal was found by Cheapflights users on 7/12. 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 8/178:00 am
PHL
- LIR
1 stop7h 01m
JetBlue
Sat 9/52:06 pm
LIR
- PHL
1 stop7h 47m
JetBlue
Deal found 7/12![JetBlue logo]()
$427
This JetBlue deal was found by Cheapflights users on 7/12. 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 8/178:00 am
PHL
- LIR
1 stop7h 01m
JetBlue
Thu 9/32:06 pm
LIR
- PHL
1 stop7h 47m
JetBlue
Deal found 7/12![JetBlue logo]()
$485
This KAYAK deal was found by Cheapflights users on 7/12. 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.
Tue 8/188:00 am
PHL
- LIR
1 stop7h 01m
JetBlue
Wed 9/22:06 pm
LIR
- PHL
1 stop7h 47m
JetBlue
Deal found 7/12![JetBlue logo]()
$426
This Southwest deal was found by Cheapflights users on 7/12. 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 8/247:10 am
PHL
- SJO
1 stop7h 35m
Southwest
Sun 9/279:00 am
SJO
- PHL
1 stop12h 30m
Southwest
Deal found 7/12![Southwest logo]()
$491
This JetBlue deal was found by Cheapflights users on 7/14. 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 8/308:00 am
PHL
- LIR
1 stop7h 01m
JetBlue
Thu 9/32:06 pm
LIR
- PHL
1 stop7h 47m
JetBlue
Deal found 7/14![JetBlue logo]()
$402
One-way flights from Philadelphia to Costa RicaSearch for one-way flight options from Philadelphia to Costa Rica. Find affordable one-way fares based on user searches. Data last updated July 16, 2026.
Search for one-way flight options from Philadelphia to Costa Rica. Find affordable one-way fares based on user searches. Data last updated July 16, 2026.
This Trip.com deal was found by Cheapflights users on 7/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:20 am
PHL
- SJO
1 stop9h 51m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$157
This Expedia deal was found by Cheapflights users on 7/13. 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.
Tue 8/116:00 am
PHL
- LIR
1 stop9h 01m
JetBlue
Deal found 7/13![JetBlue logo]()
$175
This American Airlines deal was found by Cheapflights users on 7/11. 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.
Sun 1/107:40 pm
PHL
- LIR
1 stop17h 32m
American Airlines
Deal found 7/11![American Airlines logo]()
$176
This KAYAK deal was found by Cheapflights users on 7/15. 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 8/218:00 am
PHL
- LIR
1 stop7h 01m
JetBlue
Deal found 7/15![JetBlue logo]()
$183
This Delta deal was found by Cheapflights users on 7/16. 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.
Tue 1/125:30 am
PHL
- LIR
1 stop9h 50m
Delta
Deal found 7/16![Delta logo]()
$184
This JetBlue deal was found by Cheapflights users on 7/13. 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 10/116:00 am
PHL
- LIR
1 stop8h 55m
JetBlue
Deal found 7/13![JetBlue logo]()
$185
This United Airlines deal was found by Cheapflights users on 7/14. 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 1/108:00 pm
PHL
- LIR
2 stops17h 55m
United Airlines
Deal found 7/14![United Airlines logo]()
$186
This American Airlines deal was found by Cheapflights users on 7/12. 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.
Mon 8/249:50 pm
PHL
- LIR
1 stop15h 39m
American Airlines
Deal found 7/12![American Airlines logo]()
$189
This American Airlines deal was found by Cheapflights users on 7/11. 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.
Sat 10/105:45 pm
PHL
- LIR
1 stop21h 33m
American Airlines
Deal found 7/11![American Airlines logo]()
$191
This American Airlines deal was found by Cheapflights users on 7/14. 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.
Sun 9/1310:20 pm
PHL
- LIR
2 stops16h 58m
American Airlines
Deal found 7/14![American Airlines logo]()
$192
This Air Canada deal was found by Cheapflights users on 7/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2310:05 am
PHL
- SJO
1 stop12h 15m
Air Canada
Deal found 7/13![Air Canada logo]()
$195
This American Airlines deal was found by Cheapflights users on 7/16. 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.
Sat 8/157:50 pm
PHL
- LIR
1 stop17h 39m
American Airlines
Deal found 7/16![American Airlines logo]()
$198
Find flight deals from Philadelphia to Costa Rica
Keep the following information in mind while searching for Philadelphia to Costa Rica flight deals. Data was last updated July 16, 2026.
Round-trip from | $382 (JetBlue) |
|---|---|
One-way from | $157 (Trip.com) |
Popular in | December |
Cheapest in | February |
Average price | $622 |
Good round-trip deal | $706 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Philadelphia 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 July 16, 2026.
Use the filters below to find and compare flights from Philadelphia to Costa Rica that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhiladelphiaSan José
PHL - SJO
PHLSJO
Philadelphia
Mon 11/9
7:05 am-1:15 pm
1 stop7h 10m
San José Juan Santamaria Intl
Mon 11/16
9:00 am-11:10 pm
1 stop13h 10m
$420
PhiladelphiaSan José
PHL - SJO
PHLSJO
Philadelphia
Sun 10/18
6:20 am-7:40 pm
2 stops15h 20m
San José Juan Santamaria Intl
Fri 10/23
9:00 am-11:25 pm
1 stop12h 25m
$442
PhiladelphiaSan José
PHL - SJO
PHLSJO
Philadelphia
Wed 10/14
7:45 am-7:40 pm
2 stops13h 55m
San José Juan Santamaria Intl
Fri 10/16
9:00 am-11:25 pm
1 stop12h 25m
$446
PhiladelphiaLiberia
PHL - LIR
PHLLIR
Philadelphia
Sat 12/12
9:15 am-2:10 pm
1 stop29h 55m
Liberia
Thu 12/17
3:20 pm-2:44 pm
1 stop22h 24m
$480
PhiladelphiaSan José
PHL - SJO
PHLSJO
Philadelphia
Wed 10/14
6:25 am-7:40 pm
2 stops15h 15m
San José Juan Santamaria Intl
Mon 10/19
9:00 am-11:50 pm
2 stops12h 50m
$495
PhiladelphiaSan José
PHL - SJO
PHLSJO
Philadelphia
Thu 9/24
6:20 am-6:40 pm
2 stops14h 20m
San José Juan Santamaria Intl
Mon 10/5
9:00 am-11:10 pm
2 stops12h 10m
$506
PhiladelphiaSan José
PHL - SJO
PHLSJO
Philadelphia
Fri 11/13
2:30 pm-12:15 pm
2 stops22h 45m
San José Juan Santamaria Intl
Wed 11/18
9:00 am-10:00 pm
2 stops12h 00m
$521
PhiladelphiaLiberia
PHL - LIR
PHLLIR
Philadelphia
Sat 11/7
6:25 am-6:37 pm
2 stops13h 12m
Liberia
Tue 11/10
5:20 pm-2:13 pm
2 stops19h 53m
$533
PhiladelphiaSan José
PHL - SJO
PHLSJO
Philadelphia
Wed 9/16
9:30 am-7:37 pm
2 stops12h 07m
San José Juan Santamaria Intl
Tue 9/22
7:55 am-10:31 pm
1 stop12h 36m
$539
PhiladelphiaSan José
PHL - SJO
PHLSJO
Philadelphia
Wed 11/4
6:25 am-1:15 pm
1 stop7h 50m
San José Juan Santamaria Intl
Sun 11/8
9:00 am-11:05 pm
1 stop13h 05m
$540
Showing 1-10 of 42 resultsSorted by cheapest first
Best time to book a flight from Philadelphia to Costa Rica
Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Philadelphia with our price prediction graph.
PHL-LIR
PHL-SJO
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 Philadelphia to Costa Rica
PHL-CR0
PHL-LIR
PHL-SJO
What is the cheapest month to book a flight from Philadelphia to Costa Rica?
Currently, February is the cheapest month in which you can book a flight from Philadelphia to Costa Rica (average of $104). Flying from Philadelphia to Costa Rica in October is currently the most expensive (average of $209). 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.
How far ahead should I book a flight from Philadelphia to Costa Rica?
The best time to book flights from Philadelphia to Costa Rica is 68 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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 July 16, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andGOL from Philadelphia to Costa Rica. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Comfort
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Comfort
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Comfort
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Comfort
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Comfort
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Comfort
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Philadelphia 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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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 Philadelphia to Costa Rica, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Philadelphia and Costa Rica flights
Browse other Philadelphia and Costa Rica flight options. Last updated on July 16, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 7 airlines flying from Philadelphia to Costa Rica
Discover the top 7 airlines that operate flights from Philadelphia 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 July 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$119 | Average$805 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$170 | Average$493 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$218 | Average$510 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$270 | Average$509 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$290 | Average$580 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$437 | Average$634 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$480 | Average$765 | FlexibilityNo cancel fee | On-time74% |