$152+ 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 6/27. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SJO
Jun 13 — Jun 201
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 May 14, 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 May 14, 2026.
This Travelocity deal was found by Cheapflights users on 5/12. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/49:16 pm
PHL
- SJO
1 stop13h 04m
Frontier
Sat 7/119:35 am
SJO
- PHL
1 stop21h 16m
Frontier
Deal found 5/12![Frontier logo]()
$346
This Orbitz deal was found by Cheapflights users on 5/11. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/279:16 pm
PHL
- SJO
1 stop13h 04m
Frontier
Mon 8/319:35 am
SJO
- PHL
1 stop21h 16m
Frontier
Deal found 5/11![Frontier logo]()
$352
This American Airlines deal was found by Cheapflights users on 5/11. 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.
Thu 8/2710:00 am
PHL
- SJO
1 stop11h 52m
American Airlines
Mon 8/311:29 pm
SJO
- PHL
1 stop16h 11m
American Airlines
Deal found 5/11![American Airlines logo]()
$358
This Expedia deal was found by Cheapflights users on 5/13. 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.
Mon 7/138:15 am
PHL
- LIR
1 stop6h 46m
JetBlue
Thu 7/162:06 pm
LIR
- PHL
1 stop7h 45m
JetBlue
Deal found 5/13![JetBlue logo]()
$358
This American Airlines deal was found by Cheapflights users on 5/13. 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.
Mon 9/76:04 am
PHL
- LIR
1 stop9h 07m
American Airlines
Mon 11/233:13 pm
LIR
- PHL
1 stop17h 12m
American Airlines
Deal found 5/13![American Airlines logo]()
$360
This JetBlue deal was found by Cheapflights users on 5/11. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:00 am
PHL
- LIR
1 stop8h 55m
JetBlue
Wed 9/302:05 pm
LIR
- PHL
1 stop7h 39m
JetBlue
Deal found 5/11![JetBlue logo]()
$362
This United Airlines deal was found by Cheapflights users on 5/14. 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.
Fri 8/2810:30 am
PHL
- SJO
2 stops11h 07m
United Airlines
Sat 9/57:55 am
SJO
- PHL
1 stop12h 36m
United Airlines
Deal found 5/14![United Airlines logo]()
$363
This American Airlines deal was found by Cheapflights users on 5/12. 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.
Wed 5/277:35 pm
PHL
- LIR
1 stop18h 00m
American Airlines
Mon 6/12:45 pm
LIR
- PHL
1 stop16h 56m
American Airlines
Deal found 5/12![American Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 5/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:45 am
PHL
- LIR
1 stop7h 15m
Delta
Wed 11/252:05 pm
LIR
- PHL
1 stop9h 16m
Delta
Deal found 5/12![Delta logo]()
$370
This American Airlines deal was found by Cheapflights users on 5/12. 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.
Tue 11/105:00 am
PHL
- LIR
1 stop8h 16m
American Airlines
Mon 11/161:21 pm
LIR
- PHL
1 stop19h 04m
American Airlines
Deal found 5/12![American Airlines logo]()
$371
This Frontier deal was found by Cheapflights users on 5/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/259:16 pm
PHL
- SJO
1 stop13h 04m
Frontier
Sat 8/19:35 am
SJO
- PHL
1 stop12h 38m
Frontier
Deal found 5/12![Frontier logo]()
$372
This Delta deal was found by Cheapflights users on 5/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:30 am
PHL
- LIR
1 stop8h 30m
Delta
Wed 11/252:05 pm
LIR
- PHL
1 stop9h 16m
Delta
Deal found 5/12![Delta logo]()
$372
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 May 14, 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 May 14, 2026.
This United Airlines deal was found by Cheapflights users on 5/10. 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 5/316:00 am
PHL
- LIR
1 stop8h 10m
United Airlines
Sat 6/64:30 pm
LIR
- PHL
2 stops15h 15m
United Airlines
Deal found 5/10![United Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 5/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:45 am
PHL
- SJO
1 stop7h 11m
Delta
Tue 9/81:21 pm
SJO
- PHL
1 stop9h 40m
Delta
Deal found 5/14![Delta logo]()
$463
This Southwest deal was found by Cheapflights users on 5/13. 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 9/138:50 pm
PHL
- SJO
2 stops23h 50m
Southwest
Wed 9/309:00 am
SJO
- PHL
2 stops10h 45m
Southwest
Deal found 5/13![Southwest logo]()
$484
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/86:15 am
PHL
- SJO
1 stop18h 24m
United Airlines
Mon 6/1512:30 am
SJO
- PHL
1 stop9h 28m
United Airlines
Deal found 5/9![United Airlines logo]()
$478
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:30 am
PHL
- SJO
1 stop8h 28m
Delta
Mon 10/191:23 pm
SJO
- PHL
1 stop8h 58m
Delta
Deal found 5/9![Delta logo]()
$488
This United Airlines deal was found by Cheapflights users on 5/10. 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 5/256:15 am
PHL
- SJO
1 stop18h 24m
United Airlines
Wed 6/311:13 am
SJO
- PHL
1 stop9h 16m
United Airlines
Deal found 5/10![United Airlines logo]()
$478
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/145:30 am
PHL
- SJO
1 stop8h 24m
Delta
Sat 9/191:25 pm
SJO
- PHL
1 stop9h 02m
Delta
Deal found 5/9![Delta logo]()
$524
This United Airlines deal was found by Cheapflights users on 5/12. 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.
Tue 10/275:35 pm
PHL
- SJO
1 stop18h 50m
United Airlines
Sun 11/112:35 pm
SJO
- PHL
2 stops20h 52m
United Airlines
Deal found 5/12![United Airlines logo]()
$483
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:44 pm
PHL
- SJO
2 stops19h 37m
United Airlines
Sat 9/197:55 am
SJO
- PHL
2 stops14h 55m
United Airlines
Deal found 5/9![United Airlines logo]()
$483
This Delta deal was found by Cheapflights users on 5/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:30 am
PHL
- LIR
1 stop8h 30m
Delta
Mon 9/281:25 pm
LIR
- PHL
1 stop9h 02m
Delta
Deal found 5/11![Delta logo]()
$585
This United Airlines deal was found by Cheapflights users on 5/11. 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.
Wed 6/38:58 pm
PHL
- SJO
1 stop27h 41m
United Airlines
Wed 6/107:55 am
SJO
- PHL
2 stops23h 50m
United Airlines
Deal found 5/11![United Airlines logo]()
$494
This United Airlines deal was found by Cheapflights users on 5/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/316:10 am
PHL
- LIR
2 stops30h 34m
United Airlines
Fri 6/54:30 pm
LIR
- PHL
2 stops26h 49m
United Airlines
Deal found 5/13![United Airlines logo]()
$494
This United Airlines deal was found by Cheapflights users on 5/11. 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 5/268:41 pm
PHL
- LIR
2 stops17h 29m
United Airlines
Fri 5/293:27 pm
LIR
- PHL
2 stops16h 48m
United Airlines
Deal found 5/11![United Airlines logo]()
$539
This United Airlines deal was found by Cheapflights users on 5/12. 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 9/136:16 am
PHL
- LIR
1 stop7h 54m
United Airlines
Thu 9/171:20 pm
LIR
- PHL
2 stops18h 23m
United Airlines
Deal found 5/12![United Airlines logo]()
$539
This United Airlines deal was found by Cheapflights users on 5/11. 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.
Mon 6/17:00 pm
PHL
- SJO
2 stops17h 11m
United Airlines
Mon 6/87:55 am
SJO
- PHL
2 stops23h 50m
United Airlines
Deal found 5/11![United Airlines logo]()
$543
This United Airlines deal was found by Cheapflights users on 5/14. 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.
Mon 7/61:31 pm
PHL
- LIR
2 stops22h 19m
United Airlines
Mon 7/133:27 pm
LIR
- PHL
2 stops18h 58m
United Airlines
Deal found 5/14![United Airlines logo]()
$565
This United Airlines deal was found by Cheapflights users on 5/10. 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 7/711:38 am
PHL
- LIR
2 stops24h 12m
United Airlines
Tue 7/143:27 pm
LIR
- PHL
2 stops17h 03m
United Airlines
Deal found 5/10![United Airlines logo]()
$593
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/81:31 pm
PHL
- LIR
2 stops23h 13m
United Airlines
Thu 7/163:27 pm
LIR
- PHL
2 stops17h 03m
United Airlines
Deal found 5/9![United Airlines logo]()
$593
This United Airlines deal was found by Cheapflights users on 5/11. 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.
Wed 9/2310:28 am
PHL
- LIR
2 stops51h 42m
United Airlines
Sun 9/271:20 pm
LIR
- PHL
2 stops19h 07m
United Airlines
Deal found 5/11![United Airlines logo]()
$610
This United Airlines deal was found by Cheapflights users on 5/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/11:31 pm
PHL
- LIR
2 stops22h 19m
United Airlines
Sat 7/1111:10 am
LIR
- PHL
2 stops21h 20m
United Airlines
Deal found 5/13![United Airlines logo]()
$647
Last-minute flights from Philadelphia to Costa RicaDiscover last-minute flight deals from Philadelphia to Costa Rica. Data last updated May 14, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Costa Rica. Data last updated May 14, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/165:17 am
PHL
- SJO
1 stop8h 35m
Delta
Sat 5/231:20 pm
SJO
- PHL
1 stop9h 37m
Delta
Deal found 5/14![Delta logo]()
$374
This Faresmojo deal was found by Cheapflights users on 5/14. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/207:00 am
PHL
- SJO
1 stop6h 56m
JetBlue
Wed 5/271:10 pm
SJO
- PHL
1 stop7h 37m
JetBlue
Deal found 5/14![JetBlue logo]()
$454
This KAYAK deal was found by Cheapflights users on 5/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2612:07 pm
PHL
- SJO
2 stops27h 02m
GOL
Fri 5/293:08 pm
SJO
- PHL
2 stops18h 13m
GOL
Deal found 5/11![GOL logo]()
$424
This American Airlines deal was found by Cheapflights users on 5/11. 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.
Tue 5/269:50 pm
PHL
- LIR
1 stop15h 32m
American Airlines
Fri 5/292:45 pm
LIR
- PHL
1 stop16h 56m
American Airlines
Deal found 5/11![American Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 5/11. 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 5/266:15 am
PHL
- LIR
1 stop7h 55m
United Airlines
Fri 5/293:27 pm
LIR
- PHL
2 stops16h 48m
United Airlines
Deal found 5/11![United Airlines logo]()
$454
This American Airlines deal was found by Cheapflights users on 5/12. 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.
Wed 5/277:35 pm
PHL
- LIR
1 stop18h 00m
American Airlines
Mon 6/12:45 pm
LIR
- PHL
1 stop16h 56m
American Airlines
Deal found 5/12![American Airlines logo]()
$363
This United Airlines deal was found by Cheapflights users on 5/12. 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.
Wed 5/276:15 am
PHL
- LIR
1 stop7h 55m
United Airlines
Mon 6/11:20 pm
LIR
- PHL
2 stops18h 25m
United Airlines
Deal found 5/12![United Airlines logo]()
$419
This Frontier deal was found by Cheapflights users on 5/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/309:16 pm
PHL
- SJO
1 stop13h 03m
Frontier
Thu 6/49:35 am
SJO
- PHL
1 stop13h 05m
Frontier
Deal found 5/12![Frontier logo]()
$382
This American Airlines deal was found by Cheapflights users on 5/10. 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 5/316:00 am
PHL
- LIR
1 stop7h 35m
American Airlines
Sat 6/63:37 pm
LIR
- PHL
1 stop15h 39m
American Airlines
Deal found 5/10![American Airlines logo]()
$415
This United Airlines deal was found by Cheapflights users on 5/10. 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 5/316:00 am
PHL
- LIR
1 stop8h 10m
United Airlines
Sat 6/64:30 pm
LIR
- PHL
2 stops15h 15m
United Airlines
Deal found 5/10![United Airlines logo]()
$439
This Orbitz deal was found by Cheapflights users on 5/13. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/317:00 am
PHL
- LIR
1 stop6h 55m
JetBlue
Fri 6/52:00 pm
LIR
- PHL
2 stops25h 35m
JetBlue
Deal found 5/13![JetBlue logo]()
$462
This Trip.com deal was found by Cheapflights users on 5/10. 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.
Wed 6/105:10 pm
PHL
- SJO
1 stop17h 10m
Multiple Airlines
Tue 6/167:07 am
SJO
- PHL
1 stop15h 37m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$446
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 May 14, 2026.
Search for one-way flight options from Philadelphia to Costa Rica. Find affordable one-way fares based on user searches. Data last updated May 14, 2026.
This Priceline deal was found by Cheapflights users on 5/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/279:16 pm
PHL
- SJO
1 stop13h 04m
Frontier
Deal found 5/11![Frontier logo]()
$152
This United Airlines deal was found by Cheapflights users on 5/10. 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 6/57:45 pm
PHL
- LIR
2 stops16h 59m
United Airlines
Deal found 5/10![United Airlines logo]()
$157
This Delta deal was found by Cheapflights users on 5/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/235:15 am
PHL
- SJO
1 stop8h 34m
Delta
Deal found 5/12![Delta logo]()
$158
This American Airlines deal was found by Cheapflights users on 5/10. 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 5/317:05 am
PHL
- SJO
1 stop17h 37m
American Airlines
Deal found 5/10![American Airlines logo]()
$162
This United Airlines deal was found by Cheapflights users on 5/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/87:45 pm
PHL
- LIR
2 stops16h 59m
United Airlines
Deal found 5/13![United Airlines logo]()
$162
This JetBlue deal was found by Cheapflights users on 5/13. 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.
Mon 7/67:00 am
PHL
- LIR
1 stop6h 55m
JetBlue
Deal found 5/13![JetBlue logo]()
$163
This Mytrip deal was found by Cheapflights users on 5/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/312:54 pm
PHL
- SJO
1 stop21h 26m
Frontier
Deal found 5/12![Frontier logo]()
$164
This JetBlue deal was found by Cheapflights users on 5/11. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/38:15 am
PHL
- LIR
1 stop6h 45m
JetBlue
Deal found 5/11![JetBlue logo]()
$165
This Delta deal was found by Cheapflights users on 5/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/75:15 am
PHL
- LIR
1 stop8h 45m
Delta
Deal found 5/13![Delta logo]()
$168
This Air Canada deal was found by Cheapflights users on 5/11. 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 6/66:00 am
PHL
- LIR
1 stop8h 05m
Air Canada
Deal found 5/11![Air Canada logo]()
$169
This Delta deal was found by Cheapflights users on 5/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:30 am
PHL
- LIR
1 stop8h 10m
Delta
Deal found 5/13![Delta logo]()
$170
This American Airlines deal was found by Cheapflights users on 5/13. 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.
Mon 11/99:20 pm
PHL
- LIR
2 stops17h 53m
American Airlines
Deal found 5/13![American Airlines logo]()
$171
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 May 14, 2026.
Round-trip from | $346 (Travelocity) |
|---|---|
One-way from | $152 (Priceline) |
Popular in | December |
Cheapest in | February |
Average price | $437 |
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 May 14, 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
PhiladelphiaLiberia
PHL - LIR
PHLLIR
Philadelphia
Sun 5/31
6:00 am-12:10 pm
1 stop8h 10m
Liberia
Sat 6/6
4:30 pm-9:45 am
2 stops15h 15m
$439
Quickest round-trip
PhiladelphiaSan José
PHL - SJO
PHLSJO
Philadelphia
Mon 8/31
6:45 am-11:56 am
1 stop7h 11m
San José Juan Santamaria Intl
Tue 9/8
1:21 pm-1:01 am
1 stop9h 40m
$463
PhiladelphiaSan José
PHL - SJO
PHLSJO
Philadelphia
Mon 6/8
6:15 am-10:39 pm
1 stop18h 24m
San José Juan Santamaria Intl
Mon 6/15
12:30 am-11:58 am
1 stop9h 28m
$478
PhiladelphiaSan José
PHL - SJO
PHLSJO
Philadelphia
Mon 5/25
6:15 am-10:39 pm
1 stop18h 24m
San José Juan Santamaria Intl
Wed 6/3
11:13 am-10:29 pm
1 stop9h 16m
$478
PhiladelphiaSan José
PHL - SJO
PHLSJO
Philadelphia
Tue 10/27
5:35 pm-10:25 am
1 stop18h 50m
San José Juan Santamaria Intl
Sun 11/1
12:35 pm-10:27 am
2 stops20h 52m
$483
PhiladelphiaSan José
PHL - SJO
PHLSJO
Philadelphia
Mon 9/14
6:44 pm-12:21 pm
2 stops19h 37m
San José Juan Santamaria Intl
Sat 9/19
7:55 am-12:50 am
2 stops14h 55m
$483
PhiladelphiaSan José
PHL - SJO
PHLSJO
Philadelphia
Sun 9/13
8:50 pm-6:40 pm
2 stops23h 50m
San José Juan Santamaria Intl
Wed 9/30
9:00 am-9:45 pm
2 stops10h 45m
$484
PhiladelphiaSan José
PHL - SJO
PHLSJO
Philadelphia
Thu 10/15
5:30 am-11:58 am
1 stop8h 28m
San José Juan Santamaria Intl
Mon 10/19
1:23 pm-12:21 am
1 stop8h 58m
$488
PhiladelphiaSan José
PHL - SJO
PHLSJO
Philadelphia
Wed 6/3
8:58 pm-10:39 pm
1 stop27h 41m
San José Juan Santamaria Intl
Wed 6/10
7:55 am-9:45 am
2 stops23h 50m
$494
PhiladelphiaLiberia
PHL - LIR
PHLLIR
Philadelphia
Sun 5/31
6:10 am-10:44 am
2 stops30h 34m
Liberia
Fri 6/5
4:30 pm-9:19 pm
2 stops26h 49m
$494
Showing 1-10 of 34 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
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.
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.
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 14, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andJetBlue 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
Boarding
8.1
Overall
7.9
Crew
8.5
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Boarding
8.1
Overall
7.9
Crew
8.5
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Boarding
8.1
Overall
7.9
Crew
8.5
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Boarding
8.1
Overall
7.9
Crew
8.5
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Boarding
8.1
Overall
7.9
Crew
8.5
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Boarding
8.1
Overall
7.9
Crew
8.5
Comfort
7.8
Food
7.2
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 May 14, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 8 airlines flying from Philadelphia to Costa Rica
Discover the top 8 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 May 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$141 | Average$780 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$195 | Average$521 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$209 | Average$380 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$249 | Average$535 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$251 | Average$477 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$285 | Average$610 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$289 | Average$589 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$480 | Average$584 | FlexibilityNo cancel fee | On-time74% |