$161+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SJO
Jun 19 — Jun 261
Round-trip
1 adult, Economy
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Find cheap flights from Philadelphia 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 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 20, 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 20, 2026.
This United Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:58 pm
PHL
- LIR
1 stop18h 12m
United Airlines
Sat 6/61:03 pm
LIR
- PHL
1 stop9h 56m
United Airlines
Deal found 5/18![United Airlines logo]()
$358
This American Airlines deal was found by Cheapflights users on 5/18. 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 9/78:20 am
PHL
- LIR
1 stop6h 51m
American Airlines
Mon 11/233:13 pm
LIR
- PHL
1 stop17h 12m
American Airlines
Deal found 5/18![American Airlines logo]()
$360
This American Airlines deal was found by Cheapflights users on 5/19. 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 12/137:45 pm
PHL
- LIR
1 stop17h 40m
American Airlines
Mon 12/211:28 pm
LIR
- PHL
1 stop18h 38m
American Airlines
Deal found 5/19![American Airlines logo]()
$362
This United Airlines deal was found by Cheapflights users on 5/19. 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 9/66:56 pm
PHL
- LIR
2 stops19h 14m
United Airlines
Sat 9/191:20 pm
LIR
- PHL
2 stops18h 42m
United Airlines
Deal found 5/19![United Airlines logo]()
$365
This American Airlines deal was found by Cheapflights users on 5/18. 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
Thu 6/42:00 pm
SJO
- PHL
1 stop15h 25m
American Airlines
Deal found 5/18![American Airlines logo]()
$374
This American Airlines deal was found by Cheapflights users on 5/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:20 pm
PHL
- LIR
1 stop19h 53m
American Airlines
Mon 11/161:21 pm
LIR
- PHL
1 stop19h 04m
American Airlines
Deal found 5/15![American Airlines logo]()
$381
This Delta deal was found by Cheapflights users on 5/18. 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 11/105:30 am
PHL
- SJO
1 stop17h 45m
Delta
Sat 11/147:00 am
SJO
- PHL
1 stop10h 19m
Delta
Deal found 5/18![Delta logo]()
$384
This United Airlines deal was found by Cheapflights users on 5/18. 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 9/116:16 am
PHL
- SJO
1 stop8h 05m
United Airlines
Thu 9/171:25 pm
SJO
- PHL
2 stops18h 18m
United Airlines
Deal found 5/18![United Airlines logo]()
$389
This American Airlines deal was found by Cheapflights users on 5/20. 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 8/2611:21 am
PHL
- SJO
1 stop10h 31m
American Airlines
Wed 9/22:52 pm
SJO
- PHL
1 stop8h 02m
American Airlines
Deal found 5/20![American Airlines logo]()
$394
This BusinessClass deal was found by Cheapflights users on 5/15. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/79:20 pm
PHL
- LIR
2 stops17h 53m
GOL
Mon 11/163:13 pm
LIR
- PHL
2 stops17h 34m
GOL
Deal found 5/15![GOL logo]()
$399
This JetBlue deal was found by Cheapflights users on 5/17. 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 9/138:10 am
PHL
- LIR
1 stop6h 45m
JetBlue
Thu 9/172:05 pm
LIR
- PHL
1 stop7h 39m
JetBlue
Deal found 5/17![JetBlue logo]()
$407
This United Airlines deal was found by Cheapflights users on 5/15. 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 9/166:16 am
PHL
- SJO
1 stop8h 05m
United Airlines
Tue 9/227:55 am
SJO
- PHL
2 stops15h 04m
United Airlines
Deal found 5/15![United Airlines logo]()
$408
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 20, 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 20, 2026.
This Delta deal was found by Cheapflights users on 5/19. 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 8/305:15 am
PHL
- LIR
1 stop8h 45m
Delta
Thu 9/31:25 pm
LIR
- PHL
1 stop9h 36m
Delta
Deal found 5/19![Delta logo]()
$358
This United Airlines deal was found by Cheapflights users on 5/19. 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 8/306:16 am
PHL
- LIR
1 stop7h 54m
United Airlines
Thu 9/31:20 pm
LIR
- PHL
2 stops18h 38m
United Airlines
Deal found 5/19![United Airlines logo]()
$410
This JetBlue deal was found by Cheapflights users on 5/15. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:15 am
PHL
- SJO
1 stop6h 42m
JetBlue
Wed 8/262:02 pm
SJO
- PHL
1 stop7h 49m
JetBlue
Deal found 5/15![JetBlue logo]()
$626
This United Airlines deal was found by Cheapflights users on 5/18. 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 8/286:56 pm
PHL
- LIR
2 stops19h 14m
United Airlines
Sun 9/61:20 pm
LIR
- PHL
2 stops18h 38m
United Airlines
Deal found 5/18![United Airlines logo]()
$445
This United Airlines deal was found by Cheapflights users on 5/15. 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.
Tue 6/26:10 am
PHL
- SJO
2 stops15h 27m
United Airlines
Sat 6/61:00 pm
SJO
- PHL
1 stop9h 59m
United Airlines
Deal found 5/15![United Airlines logo]()
$493
This United Airlines deal was found by Cheapflights users on 5/19. 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 5/3012:46 pm
PHL
- SJO
2 stops23h 25m
United Airlines
Sat 6/612:30 am
SJO
- PHL
2 stops22h 29m
United Airlines
Deal found 5/19![United Airlines logo]()
$499
This United Airlines deal was found by Cheapflights users on 5/15. 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.
Tue 6/26:10 am
PHL
- SJO
2 stops15h 27m
United Airlines
Sun 6/712:30 am
SJO
- PHL
1 stop20h 27m
United Airlines
Deal found 5/15![United Airlines logo]()
$504
This United Airlines deal was found by Cheapflights users on 5/19. 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
- SJO
1 stop18h 24m
United Airlines
Thu 6/47:55 am
SJO
- PHL
1 stop12h 34m
United Airlines
Deal found 5/19![United Airlines logo]()
$504
This United Airlines deal was found by Cheapflights users on 5/17. 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 6/310:32 am
PHL
- SJO
2 stops25h 39m
United Airlines
Fri 6/512:30 am
SJO
- PHL
2 stops22h 29m
United Airlines
Deal found 5/17![United Airlines logo]()
$509
This United Airlines deal was found by Cheapflights users on 5/19. 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 5/247:45 pm
PHL
- SJO
2 stops28h 54m
United Airlines
Wed 5/277:55 am
SJO
- PHL
1 stop12h 34m
United Airlines
Deal found 5/19![United Airlines logo]()
$515
This United Airlines deal was found by Cheapflights users on 5/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/27:00 pm
PHL
- SJO
2 stops29h 39m
United Airlines
Mon 7/137:55 am
SJO
- PHL
2 stops26h 30m
United Airlines
Deal found 5/16![United Airlines logo]()
$526
This United Airlines deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/21:04 pm
PHL
- SJO
1 stop11h 35m
United Airlines
Thu 6/412:30 am
SJO
- PHL
1 stop9h 28m
United Airlines
Deal found 5/19![United Airlines logo]()
$534
This United Airlines deal was found by Cheapflights users on 5/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/128:41 pm
PHL
- LIR
2 stops19h 44m
United Airlines
Fri 6/1911:10 am
LIR
- PHL
2 stops25h 37m
United Airlines
Deal found 5/16![United Airlines logo]()
$564
This United Airlines deal was found by Cheapflights users on 5/15. 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 7/88:05 am
PHL
- LIR
2 stops28h 39m
United Airlines
Thu 7/163:27 pm
LIR
- PHL
2 stops17h 03m
United Airlines
Deal found 5/15![United Airlines logo]()
$565
This United Airlines deal was found by Cheapflights users on 5/16. 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 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 5/16![United Airlines logo]()
$565
This United Airlines deal was found by Cheapflights users on 5/18. 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 6/31:04 pm
PHL
- SJO
1 stop8h 33m
United Airlines
Wed 6/1011:13 am
SJO
- PHL
1 stop9h 16m
United Airlines
Deal found 5/18![United Airlines logo]()
$583
This United Airlines deal was found by Cheapflights users on 5/18. 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 9/231:35 pm
PHL
- LIR
2 stops48h 35m
United Airlines
Sun 9/271:20 pm
LIR
- PHL
2 stops18h 51m
United Airlines
Deal found 5/18![United Airlines logo]()
$611
This United Airlines deal was found by Cheapflights users on 5/15. 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.
Mon 6/17:00 pm
PHL
- SJO
2 stops17h 11m
United Airlines
Thu 6/117:55 am
SJO
- PHL
2 stops13h 49m
United Airlines
Deal found 5/15![United Airlines logo]()
$623
This United Airlines deal was found by Cheapflights users on 5/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/307:00 pm
PHL
- LIR
2 stops16h 50m
United Airlines
Tue 7/141:20 pm
LIR
- PHL
2 stops21h 05m
United Airlines
Deal found 5/16![United Airlines logo]()
$647
This United Airlines deal was found by Cheapflights users on 5/17. 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 7/317:00 pm
PHL
- LIR
2 stops16h 50m
United Airlines
Thu 8/64:30 pm
LIR
- PHL
2 stops19h 40m
United Airlines
Deal found 5/17![United Airlines logo]()
$647
This United Airlines deal was found by Cheapflights users on 5/17. 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 7/117:45 pm
PHL
- LIR
2 stops40h 59m
United Airlines
Sat 7/183:27 pm
LIR
- PHL
2 stops17h 03m
United Airlines
Deal found 5/17![United Airlines logo]()
$660
Last-minute flights from Philadelphia to Costa RicaDiscover last-minute flight deals from Philadelphia to Costa Rica. Data last updated May 20, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Costa Rica. Data last updated May 20, 2026 and is based on user searches.
This Faresmojo deal was found by Cheapflights users on 5/16. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:33 pm
PHL
- SJO
2 stops31h 22m
Multiple Airlines
Tue 5/267:45 pm
SJO
- PHL
2 stops21h 10m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$454
This United Airlines deal was found by Cheapflights users on 5/17. 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
- SJO
1 stop8h 06m
United Airlines
Sat 6/61:00 pm
SJO
- PHL
1 stop9h 59m
United Airlines
Deal found 5/17![United Airlines logo]()
$414
This United Airlines deal was found by Cheapflights users on 5/17. 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
- SJO
1 stop8h 06m
United Airlines
Fri 5/297:55 am
SJO
- PHL
2 stops13h 49m
United Airlines
Deal found 5/17![United Airlines logo]()
$419
This American Airlines deal was found by Cheapflights users on 5/18. 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 5/2912:35 pm
LIR
- PHL
1 stop10h 23m
American Airlines
Deal found 5/18![American Airlines logo]()
$452
This KAYAK deal was found by Cheapflights users on 5/19. 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 5/2610:30 am
PHL
- SJO
2 stops28h 39m
GOL
Wed 6/33:08 pm
SJO
- PHL
2 stops18h 13m
GOL
Deal found 5/19![GOL logo]()
$475
This American Airlines deal was found by Cheapflights users on 5/18. 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
Thu 6/42:00 pm
SJO
- PHL
1 stop15h 25m
American Airlines
Deal found 5/18![American Airlines logo]()
$374
This United Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:58 pm
PHL
- LIR
1 stop18h 12m
United Airlines
Sat 6/61:03 pm
LIR
- PHL
1 stop9h 56m
United Airlines
Deal found 5/18![United Airlines logo]()
$358
This United Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/21:04 pm
PHL
- SJO
1 stop8h 33m
United Airlines
Sun 6/712:30 am
SJO
- PHL
1 stop9h 28m
United Airlines
Deal found 5/18![United Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 5/20. 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 6/36:10 am
PHL
- LIR
2 stops10h 15m
United Airlines
Sat 6/64:30 pm
LIR
- PHL
2 stops15h 15m
United Airlines
Deal found 5/20![United Airlines logo]()
$410
This United Airlines deal was found by Cheapflights users on 5/17. 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
Tue 6/911:10 am
LIR
- PHL
1 stop9h 47m
United Airlines
Deal found 5/17![United Airlines logo]()
$440
This United Airlines deal was found by Cheapflights users on 5/20. 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 6/176:15 am
PHL
- LIR
1 stop10h 10m
United Airlines
Wed 6/2411:10 am
LIR
- PHL
1 stop9h 19m
United Airlines
Deal found 5/20![United Airlines logo]()
$426
This American Airlines deal was found by Cheapflights users on 5/19. 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 6/278:05 pm
PHL
- LIR
1 stop17h 17m
American Airlines
Sat 7/42:15 pm
LIR
- PHL
1 stop17h 07m
American Airlines
Deal found 5/19![American Airlines logo]()
$408
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 20, 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 20, 2026.
This United Airlines deal was found by Cheapflights users on 5/19. 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
- SJO
1 stop15h 22m
United Airlines
Deal found 5/19![United Airlines logo]()
$161
This United Airlines deal was found by Cheapflights users on 5/19. 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 6/57:00 pm
PHL
- LIR
2 stops17h 44m
United Airlines
Deal found 5/19![United Airlines logo]()
$163
This KAYAK deal was found by Cheapflights users on 5/19. 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 10/68:10 am
PHL
- LIR
1 stop6h 45m
JetBlue
Deal found 5/19![JetBlue logo]()
$164
This JetBlue deal was found by Cheapflights users on 5/18. 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 11/106:00 am
PHL
- LIR
1 stop9h 00m
JetBlue
Deal found 5/18![JetBlue logo]()
$165
This Delta deal was found by Cheapflights users on 5/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:15 am
PHL
- LIR
1 stop7h 45m
Delta
Deal found 5/15![Delta logo]()
$168
This American Airlines deal was found by Cheapflights users on 5/19. 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 5/306:00 am
PHL
- SJO
1 stop15h 24m
American Airlines
Deal found 5/19![American Airlines logo]()
$169
This Delta deal was found by Cheapflights users on 5/18. 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 11/155:30 am
PHL
- LIR
1 stop8h 10m
Delta
Deal found 5/18![Delta logo]()
$170
This BusinessClass deal was found by Cheapflights users on 5/15. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:20 pm
PHL
- LIR
2 stops17h 53m
GOL
Deal found 5/15![GOL logo]()
$173
This BusinessClass deal was found by Cheapflights users on 5/17. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:38 pm
PHL
- LIR
2 stops17h 49m
GOL
Deal found 5/17![GOL logo]()
$176
This American Airlines deal was found by Cheapflights users on 5/20. 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 5/20![American Airlines logo]()
$178
This American Airlines deal was found by Cheapflights users on 5/18. 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 8/125:55 pm
PHL
- SJO
1 stop19h 39m
American Airlines
Deal found 5/18![American Airlines logo]()
$186
This United Airlines deal was found by Cheapflights users on 5/18. 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 6/147:45 pm
PHL
- LIR
2 stops16h 59m
United Airlines
Deal found 5/18![United Airlines logo]()
$186
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 20, 2026.
Round-trip from | $358 (United Airlines) |
|---|---|
One-way from | $161 (United Airlines) |
Popular in | December |
Cheapest in | February |
Average price | $444 |
Good round-trip deal | $861 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 May 20, 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 8/30
5:15 am-12:00 pm
1 stop8h 45m
Liberia
Thu 9/3
1:25 pm-1:01 am
1 stop9h 36m
$358
PhiladelphiaLiberia
PHL - LIR
PHLLIR
Philadelphia
Sun 8/30
6:16 am-12:10 pm
1 stop7h 54m
Liberia
Thu 9/3
1:20 pm-9:58 am
2 stops18h 38m
$410
PhiladelphiaLiberia
PHL - LIR
PHLLIR
Philadelphia
Fri 8/28
6:56 pm-12:10 pm
2 stops19h 14m
Liberia
Sun 9/6
1:20 pm-9:58 am
2 stops18h 38m
$445
PhiladelphiaSan José
PHL - SJO
PHLSJO
Philadelphia
Tue 6/2
6:10 am-7:37 pm
2 stops15h 27m
San José Juan Santamaria Intl
Sat 6/6
1:00 pm-12:59 am
1 stop9h 59m
$493
PhiladelphiaSan José
PHL - SJO
PHLSJO
Philadelphia
Sat 5/30
12:46 pm-10:11 am
2 stops23h 25m
San José Juan Santamaria Intl
Sat 6/6
12:30 am-12:59 am
2 stops22h 29m
$499
PhiladelphiaSan José
PHL - SJO
PHLSJO
Philadelphia
Tue 6/2
6:10 am-7:37 pm
2 stops15h 27m
San José Juan Santamaria Intl
Sun 6/7
12:30 am-10:57 pm
1 stop20h 27m
$504
PhiladelphiaSan José
PHL - SJO
PHLSJO
Philadelphia
Wed 5/27
6:15 am-10:39 pm
1 stop18h 24m
San José Juan Santamaria Intl
Thu 6/4
7:55 am-10:29 pm
1 stop12h 34m
$504
PhiladelphiaSan José
PHL - SJO
PHLSJO
Philadelphia
Wed 6/3
10:32 am-10:11 am
2 stops25h 39m
San José Juan Santamaria Intl
Fri 6/5
12:30 am-12:59 am
2 stops22h 29m
$509
PhiladelphiaSan José
PHL - SJO
PHLSJO
Philadelphia
Sun 5/24
7:45 pm-10:39 pm
2 stops28h 54m
San José Juan Santamaria Intl
Wed 5/27
7:55 am-10:29 pm
1 stop12h 34m
$515
PhiladelphiaSan José
PHL - SJO
PHLSJO
Philadelphia
Thu 7/2
7:00 pm-10:39 pm
2 stops29h 39m
San José Juan Santamaria Intl
Mon 7/13
7:55 am-12:25 pm
2 stops26h 30m
$526
Showing 1-10 of 40 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-SJO
PHL-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 Philadelphia to Costa Rica
PHL-CR0
PHL-SJO
PHL-LIR
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 May 20, 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.
Comfort
7.8
Entertainment
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Entertainment
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Entertainment
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Entertainment
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Entertainment
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Entertainment
7.8
Crew
8.5
Boarding
8.1
Food
7.2
Overall
7.9
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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Alternative routes for Philadelphia 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.
Search flights from Philadelphia to Costa Rica by cabin class
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 20, 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 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$141 | Average$780 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$214 | Average$384 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$234 | Average$498 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$249 | Average$483 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$270 | Average$481 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$285 | Average$610 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$289 | Average$591 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$480 | Average$780 | FlexibilityNo cancel fee | On-time74% |