$163+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SJO
Jul 11 — Jul 181
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 June 11, 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 June 11, 2026.
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Mon 7/206:00 am
PHL
- LIR
1 stop9h 15m
American Airlines
Thu 7/303:40 pm
LIR
- PHL
1 stop15h 42m
American Airlines
Deal found 6/10![American Airlines logo]()
$372
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 8/1810:10 pm
PHL
- LIR
2 stops15h 17m
American Airlines
Fri 8/282:15 pm
LIR
- PHL
2 stops15h 48m
American Airlines
Deal found 6/10![American Airlines logo]()
$377
This Air Canada deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/23:20 pm
PHL
- LIR
1 stop23h 20m
Air Canada
Sat 11/72:40 pm
LIR
- PHL
1 stop23h 04m
Air Canada
Deal found 6/7![Air Canada logo]()
$378
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 8/197:38 pm
PHL
- LIR
2 stops17h 49m
American Airlines
Fri 8/282:15 pm
LIR
- PHL
1 stop17h 04m
American Airlines
Deal found 6/10![American Airlines logo]()
$382
This Air Canada deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/14:35 pm
PHL
- LIR
1 stop22h 20m
Air Canada
Sat 11/72:40 pm
LIR
- PHL
1 stop23h 04m
Air Canada
Deal found 6/6![Air Canada logo]()
$383
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:15 am
PHL
- SJO
1 stop8h 34m
Delta
Thu 9/31:14 pm
SJO
- PHL
1 stop10h 05m
Delta
Deal found 6/6![Delta logo]()
$384
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 8/268:35 am
PHL
- SJO
2 stops13h 18m
American Airlines
Wed 9/22:56 pm
SJO
- PHL
1 stop16h 05m
American Airlines
Deal found 6/10![American Airlines logo]()
$389
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 7/39:55 pm
PHL
- LIR
1 stop17h 20m
American Airlines
Sat 7/112:27 pm
LIR
- PHL
1 stop17h 21m
American Airlines
Deal found 6/10![American Airlines logo]()
$389
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:00 am
PHL
- SJO
2 stops14h 40m
Southwest
Thu 10/19:00 am
SJO
- PHL
1 stop12h 15m
Southwest
Deal found 6/9![Southwest logo]()
$397
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:10 am
PHL
- LIR
2 stops13h 27m
United Airlines
Fri 11/205:15 pm
LIR
- PHL
2 stops15h 09m
United Airlines
Deal found 6/8![United Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/158:00 pm
PHL
- LIR
2 stops16h 44m
United Airlines
Mon 11/235:15 pm
LIR
- PHL
2 stops15h 09m
United Airlines
Deal found 6/8![United Airlines logo]()
$401
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:16 am
PHL
- SJO
1 stop8h 05m
United Airlines
Wed 9/237:55 am
SJO
- PHL
1 stop12h 36m
United Airlines
Deal found 6/7![United Airlines logo]()
$404
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 June 11, 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 June 11, 2026.
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:10 am
PHL
- LIR
2 stops13h 27m
United Airlines
Fri 11/205:15 pm
LIR
- PHL
2 stops15h 09m
United Airlines
Deal found 6/8![United Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:15 am
PHL
- SJO
1 stop7h 34m
Delta
Fri 9/41:14 pm
SJO
- PHL
1 stop10h 05m
Delta
Deal found 6/6![Delta logo]()
$468
This JetBlue deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/68:15 am
PHL
- LIR
1 stop6h 46m
JetBlue
Thu 9/101:05 pm
LIR
- PHL
1 stop8h 02m
JetBlue
Deal found 6/7![JetBlue logo]()
$528
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/266:15 am
PHL
- LIR
1 stop7h 55m
United Airlines
Wed 7/11:20 pm
LIR
- PHL
2 stops18h 25m
United Airlines
Deal found 6/8![United Airlines logo]()
$444
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/26:15 am
PHL
- LIR
1 stop10h 10m
United Airlines
Mon 7/63:27 pm
LIR
- PHL
2 stops17h 03m
United Airlines
Deal found 6/8![United Airlines logo]()
$444
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:15 am
PHL
- SJO
1 stop7h 34m
Delta
Thu 9/31:14 pm
SJO
- PHL
1 stop10h 05m
Delta
Deal found 6/6![Delta logo]()
$537
This JetBlue deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:00 am
PHL
- SJO
1 stop8h 57m
JetBlue
Tue 9/12:02 pm
SJO
- PHL
1 stop7h 49m
JetBlue
Deal found 6/6![JetBlue logo]()
$578
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:00 am
PHL
- SJO
1 stop7h 49m
Delta
Thu 9/31:14 pm
SJO
- PHL
1 stop10h 05m
Delta
Deal found 6/6![Delta logo]()
$537
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Tue 6/238:41 pm
PHL
- LIR
2 stops19h 44m
United Airlines
Fri 6/263:27 pm
LIR
- PHL
2 stops21h 20m
United Airlines
Deal found 6/9![United Airlines logo]()
$497
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:20 am
PHL
- LIR
1 stop8h 40m
Delta
Mon 10/51:25 pm
LIR
- PHL
1 stop9h 31m
Delta
Deal found 6/7![Delta logo]()
$546
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:56 pm
PHL
- LIR
2 stops19h 14m
United Airlines
Tue 10/61:20 pm
LIR
- PHL
2 stops18h 22m
United Airlines
Deal found 6/7![United Airlines logo]()
$497
This United Airlines deal was found by Cheapflights users on 6/10. 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 8/256:25 am
PHL
- SJO
2 stops15h 12m
United Airlines
Wed 9/27:55 am
SJO
- PHL
2 stops26h 28m
United Airlines
Deal found 6/10![United Airlines logo]()
$509
This United Airlines deal was found by Cheapflights users on 6/10. 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 9/2111:04 am
PHL
- SJO
2 stops27h 17m
United Airlines
Thu 9/241:25 pm
SJO
- PHL
2 stops30h 04m
United Airlines
Deal found 6/10![United Airlines logo]()
$509
This United Airlines deal was found by Cheapflights users on 6/9. 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 9/96:16 am
PHL
- SJO
1 stop15h 21m
United Airlines
Wed 9/167:55 am
SJO
- PHL
1 stop12h 36m
United Airlines
Deal found 6/9![United Airlines logo]()
$524
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Thu 9/106:25 am
PHL
- SJO
2 stops15h 12m
United Airlines
Tue 9/227:55 am
SJO
- PHL
2 stops23h 48m
United Airlines
Deal found 6/9![United Airlines logo]()
$529
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/288:20 am
PHL
- SJO
2 stops30h 01m
United Airlines
Fri 9/47:55 am
SJO
- PHL
2 stops28h 45m
United Airlines
Deal found 6/6![United Airlines logo]()
$529
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:16 am
PHL
- SJO
1 stop15h 21m
United Airlines
Tue 10/61:25 pm
SJO
- PHL
1 stop20h 33m
United Airlines
Deal found 6/7![United Airlines logo]()
$536
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:16 am
PHL
- SJO
1 stop8h 05m
United Airlines
Tue 10/61:25 pm
SJO
- PHL
1 stop20h 33m
United Airlines
Deal found 6/7![United Airlines logo]()
$536
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:00 pm
PHL
- SJO
2 stops16h 25m
United Airlines
Fri 11/1312:35 pm
SJO
- PHL
1 stop27h 21m
United Airlines
Deal found 6/6![United Airlines logo]()
$541
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 7/166:15 am
PHL
- LIR
1 stop10h 10m
United Airlines
Sun 7/193:27 pm
LIR
- PHL
2 stops18h 58m
United Airlines
Deal found 6/10![United Airlines logo]()
$601
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Tue 6/306:10 am
PHL
- LIR
2 stops10h 15m
United Airlines
Sun 7/121:20 pm
LIR
- PHL
2 stops19h 10m
United Airlines
Deal found 6/9![United Airlines logo]()
$624
This United Airlines deal was found by Cheapflights users on 6/10. 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 6/306:10 am
PHL
- LIR
2 stops10h 15m
United Airlines
Tue 7/71:20 pm
LIR
- PHL
2 stops19h 10m
United Airlines
Deal found 6/10![United Airlines logo]()
$627
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/278:05 am
PHL
- LIR
2 stops27h 45m
United Airlines
Sat 7/41:03 pm
LIR
- PHL
1 stop19h 27m
United Airlines
Deal found 6/8![United Airlines logo]()
$633
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/58:05 am
PHL
- LIR
2 stops27h 45m
United Airlines
Sun 7/1211:10 am
LIR
- PHL
2 stops35h 47m
United Airlines
Deal found 6/6![United Airlines logo]()
$655
Last-minute flights from Philadelphia to Costa RicaDiscover last-minute flight deals from Philadelphia to Costa Rica. Data last updated June 11, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Costa Rica. Data last updated June 11, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1110:32 am
PHL
- SJO
2 stops14h 07m
United Airlines
Wed 6/177:55 am
SJO
- PHL
1 stop9h 02m
United Airlines
Deal found 6/8![United Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/121:04 pm
PHL
- SJO
1 stop11h 35m
United Airlines
Sun 6/1411:13 am
SJO
- PHL
1 stop9h 16m
United Airlines
Deal found 6/7![United Airlines logo]()
$427
This United Airlines deal was found by Cheapflights users on 6/10. 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 6/161:04 pm
PHL
- SJO
1 stop11h 35m
United Airlines
Sat 6/2012:30 am
SJO
- PHL
1 stop9h 28m
United Airlines
Deal found 6/10![United Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/171:04 pm
PHL
- SJO
1 stop11h 35m
United Airlines
Wed 6/2411:13 am
SJO
- PHL
1 stop9h 16m
United Airlines
Deal found 6/8![United Airlines logo]()
$428
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/171:04 pm
PHL
- SJO
1 stop11h 35m
United Airlines
Mon 6/2212:30 am
SJO
- PHL
1 stop9h 28m
United Airlines
Deal found 6/8![United Airlines logo]()
$444
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/196:15 am
PHL
- LIR
1 stop7h 55m
United Airlines
Tue 6/2311:10 am
LIR
- PHL
1 stop9h 47m
United Airlines
Deal found 6/8![United Airlines logo]()
$417
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Tue 6/236:15 am
PHL
- LIR
1 stop7h 55m
United Airlines
Fri 6/2611:10 am
LIR
- PHL
2 stops21h 20m
United Airlines
Deal found 6/9![United Airlines logo]()
$422
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/266:15 am
PHL
- LIR
1 stop7h 55m
United Airlines
Wed 7/11:20 pm
LIR
- PHL
2 stops18h 25m
United Airlines
Deal found 6/8![United Airlines logo]()
$444
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Sat 6/278:05 pm
PHL
- LIR
1 stop17h 17m
American Airlines
Sat 7/42:27 pm
LIR
- PHL
1 stop17h 21m
American Airlines
Deal found 6/10![American Airlines logo]()
$439
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 7/39:55 pm
PHL
- LIR
1 stop17h 20m
American Airlines
Sat 7/112:27 pm
LIR
- PHL
1 stop17h 21m
American Airlines
Deal found 6/10![American Airlines logo]()
$389
This JetBlue deal was found by Cheapflights users on 6/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/108:05 am
PHL
- LIR
1 stop6h 56m
JetBlue
Wed 7/152:06 pm
LIR
- PHL
1 stop7h 47m
JetBlue
Deal found 6/10![JetBlue logo]()
$462
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Mon 7/206:00 am
PHL
- LIR
1 stop9h 15m
American Airlines
Thu 7/303:40 pm
LIR
- PHL
1 stop15h 42m
American Airlines
Deal found 6/10![American Airlines logo]()
$372
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 June 11, 2026.
Search for one-way flight options from Philadelphia to Costa Rica. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
This Air Canada deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:00 am
PHL
- LIR
1 stop30h 50m
Air Canada
Deal found 6/7![Air Canada logo]()
$163
This JetBlue deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/77:00 am
PHL
- LIR
1 stop6h 55m
JetBlue
Deal found 6/7![JetBlue logo]()
$170
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/235:15 am
PHL
- SJO
1 stop8h 34m
Delta
Deal found 6/8![Delta logo]()
$171
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Sat 9/56:56 pm
PHL
- LIR
2 stops19h 14m
United Airlines
Deal found 6/9![United Airlines logo]()
$176
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:56 pm
PHL
- SJO
2 stops19h 25m
United Airlines
Deal found 6/8![United Airlines logo]()
$181
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Sat 12/55:35 pm
PHL
- LIR
1 stop20h 35m
United Airlines
Deal found 6/9![United Airlines logo]()
$185
This United Airlines deal was found by Cheapflights users on 6/10. 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 6/231:04 pm
PHL
- SJO
1 stop11h 35m
United Airlines
Deal found 6/10![United Airlines logo]()
$187
This Air Canada deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/39:15 am
PHL
- LIR
1 stop29h 40m
Air Canada
Deal found 6/6![Air Canada logo]()
$190
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 10/298:00 pm
PHL
- SJO
2 stops16h 25m
United Airlines
Deal found 6/10![United Airlines logo]()
$191
This United Airlines deal was found by Cheapflights users on 6/9. 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 7/67:00 pm
PHL
- LIR
2 stops16h 50m
United Airlines
Deal found 6/9![United Airlines logo]()
$192
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:58 pm
PHL
- LIR
1 stop15h 52m
United Airlines
Deal found 6/8![United Airlines logo]()
$199
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/296:15 am
PHL
- LIR
1 stop7h 55m
United Airlines
Deal found 6/7![United Airlines logo]()
$201
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 June 11, 2026.
Round-trip from | $372 (American Airlines) |
|---|---|
One-way from | $163 (Air Canada) |
Popular in | December |
Cheapest in | February |
Average price | $542 |
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 June 11, 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
Thu 11/12
6:10 am-6:37 pm
2 stops13h 27m
Liberia
Fri 11/20
5:15 pm-9:24 am
2 stops15h 09m
$399
PhiladelphiaLiberia
PHL - LIR
PHLLIR
Philadelphia
Fri 6/26
6:15 am-12:10 pm
1 stop7h 55m
Liberia
Wed 7/1
1:20 pm-9:45 am
2 stops18h 25m
$444
PhiladelphiaLiberia
PHL - LIR
PHLLIR
Philadelphia
Thu 7/2
6:15 am-2:25 pm
1 stop10h 10m
Liberia
Mon 7/6
3:27 pm-10:30 am
2 stops17h 03m
$444
PhiladelphiaSan José
PHL - SJO
PHLSJO
Philadelphia
Fri 8/28
6:15 am-11:49 am
1 stop7h 34m
San José Juan Santamaria Intl
Fri 9/4
1:14 pm-1:19 am
1 stop10h 05m
$468
PhiladelphiaLiberia
PHL - LIR
PHLLIR
Philadelphia
Tue 6/23
8:41 pm-2:25 pm
2 stops19h 44m
Liberia
Fri 6/26
3:27 pm-2:47 pm
2 stops21h 20m
$497
PhiladelphiaLiberia
PHL - LIR
PHLLIR
Philadelphia
Mon 9/21
6:56 pm-12:10 pm
2 stops19h 14m
Liberia
Tue 10/6
1:20 pm-9:42 am
2 stops18h 22m
$497
PhiladelphiaSan José
PHL - SJO
PHLSJO
Philadelphia
Tue 8/25
6:25 am-7:37 pm
2 stops15h 12m
San José Juan Santamaria Intl
Wed 9/2
7:55 am-12:23 pm
2 stops26h 28m
$509
PhiladelphiaSan José
PHL - SJO
PHLSJO
Philadelphia
Mon 9/21
11:04 am-12:21 pm
2 stops27h 17m
San José Juan Santamaria Intl
Thu 9/24
1:25 pm-9:29 pm
2 stops30h 04m
$509
PhiladelphiaSan José
PHL - SJO
PHLSJO
Philadelphia
Wed 9/9
6:16 am-7:37 pm
1 stop15h 21m
San José Juan Santamaria Intl
Wed 9/16
7:55 am-10:31 pm
1 stop12h 36m
$524
Quickest round-trip
PhiladelphiaLiberia
PHL - LIR
PHLLIR
Philadelphia
Sun 9/6
8:15 am-1:01 pm
1 stop6h 46m
Liberia
Thu 9/10
1:05 pm-11:07 pm
1 stop8h 02m
$528
Showing 1-10 of 46 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 June is currently the most expensive (average of $270). 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 June 11, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines 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.
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.9
Entertainment
7.8
Comfort
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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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 June 11, 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 June 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$141 | Average$758 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$170 | Average$516 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$249 | Average$503 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$270 | Average$487 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$285 | Average$634 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$289 | Average$589 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$480 | Average$785 | FlexibilityNo cancel fee | On-time74% |