$138+ Cheap flights from Sky Harbor Intl (PHX) 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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SJO
Apr 16 — Apr 231
Round-trip
1 adult, Economy
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Cheapest flights from Sky Harbor Intl to Costa RicaExplore the most affordable flight options available from Sky Harbor Intl to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.
Explore the most affordable flight options available from Sky Harbor Intl to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.
This Gotogate deal was found by Cheapflights users on 3/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/169:34 am
PHX
- SJO
1 stop13h 25m
Multiple Airlines
Tue 6/234:18 pm
SJO
- PHX
1 stop16h 42m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$373
This Expedia deal was found by Cheapflights users on 3/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1912:23 am
PHX
- SJO
1 stop30h 56m
Frontier
Mon 5/259:35 am
SJO
- PHX
1 stop26h 10m
Frontier
Deal found 3/14![Frontier logo]()
$384
This Mytrip deal was found by Cheapflights users on 3/12. 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.
Sat 5/168:15 pm
PHX
- SJO
2 stops24h 41m
Multiple Airlines
Tue 6/164:18 pm
SJO
- PHX
1 stop16h 42m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$395
This American Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/210:00 pm
PHX
- LIR
1 stop12h 24m
American Airlines
Fri 5/812:28 pm
LIR
- PHX
1 stop12h 31m
American Airlines
Deal found 3/14![American Airlines logo]()
$400
This American Airlines deal was found by Cheapflights users on 3/13. 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.
Wed 5/1311:59 pm
PHX
- SJO
1 stop10h 26m
American Airlines
Mon 5/1812:35 pm
SJO
- PHX
1 stop12h 24m
American Airlines
Deal found 3/13![American Airlines logo]()
$406
This Southwest deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/89:35 am
PHX
- SJO
1 stop8h 25m
Southwest
Thu 5/149:00 am
SJO
- PHX
2 stops13h 25m
Southwest
Deal found 3/12![Southwest logo]()
$408
This Avianca deal was found by Cheapflights users on 3/14. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/612:19 pm
PHX
- SJO
2 stops20h 16m
Multiple Airlines
Wed 11/114:15 pm
SJO
- PHX
2 stops18h 54m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$410
This American Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:16 pm
PHX
- SJO
2 stops14h 49m
American Airlines
Wed 9/237:00 am
SJO
- PHX
2 stops16h 17m
American Airlines
Deal found 3/16![American Airlines logo]()
$411
This United Airlines deal was found by Cheapflights users on 3/13. 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 5/136:44 pm
PHX
- LIR
1 stop19h 35m
United Airlines
Tue 5/191:20 pm
LIR
- PHX
2 stops20h 28m
United Airlines
Deal found 3/13![United Airlines logo]()
$412
This Mytrip deal was found by Cheapflights users on 3/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/278:43 am
PHX
- SJO
1 stop24h 47m
Multiple Airlines
Mon 3/304:06 pm
SJO
- PHX
1 stop16h 57m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$412
This American Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2710:00 pm
PHX
- SJO
1 stop20h 07m
American Airlines
Wed 4/2911:35 pm
SJO
- PHX
1 stop9h 19m
American Airlines
Deal found 3/14![American Airlines logo]()
$414
This American Airlines deal was found by Cheapflights users on 3/15. 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.
Thu 9/1010:49 pm
PHX
- SJO
1 stop18h 41m
American Airlines
Mon 9/1412:57 pm
SJO
- PHX
1 stop19h 49m
American Airlines
Deal found 3/15![American Airlines logo]()
$415
Best flights from Sky Harbor Intl to Costa RicaDiscover carefully curated flight deals from Sky Harbor Intl to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 17, 2026.
Discover carefully curated flight deals from Sky Harbor Intl to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 17, 2026.
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Sat 5/97:05 pm
PHX
- SJO
1 stop9h 25m
United Airlines
Sun 5/176:00 am
SJO
- PHX
1 stop13h 14m
United Airlines
Deal found 3/12![United Airlines logo]()
$436
This Southwest deal was found by Cheapflights users on 3/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/159:50 am
PHX
- SJO
1 stop8h 10m
Southwest
Tue 5/199:00 am
SJO
- PHX
2 stops11h 30m
Southwest
Deal found 3/16![Southwest logo]()
$482
This Copa Airlines deal was found by Cheapflights users on 3/12. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/293:32 pm
PHX
- SJO
2 stops17h 27m
Copa Airlines
Wed 5/64:10 am
SJO
- PHX
2 stops18h 22m
Copa Airlines
Deal found 3/12![Copa Airlines logo]()
$527
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2810:06 am
PHX
- SJO
2 stops11h 33m
United Airlines
Sat 6/66:00 am
SJO
- PHX
1 stop9h 52m
United Airlines
Deal found 3/12![United Airlines logo]()
$481
This Copa Airlines deal was found by Cheapflights users on 3/12. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/14:39 pm
PHX
- SJO
2 stops15h 27m
Copa Airlines
Fri 5/85:47 am
SJO
- PHX
2 stops16h 45m
Copa Airlines
Deal found 3/12![Copa Airlines logo]()
$527
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:04 pm
PHX
- LIR
2 stops16h 06m
United Airlines
Mon 4/203:27 pm
LIR
- PHX
1 stop18h 10m
United Airlines
Deal found 3/12![United Airlines logo]()
$510
This Southwest deal was found by Cheapflights users on 3/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1910:30 pm
PHX
- SJO
2 stops12h 40m
Southwest
Sun 4/262:00 pm
SJO
- PHX
1 stop10h 25m
Southwest
Deal found 3/16![Southwest logo]()
$581
This Copa Airlines deal was found by Cheapflights users on 3/14. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:08 pm
PHX
- SJO
2 stops12h 57m
Copa Airlines
Wed 4/225:46 am
SJO
- PHX
2 stops17h 13m
Copa Airlines
Deal found 3/14![Copa Airlines logo]()
$547
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/116:00 am
PHX
- LIR
1 stop7h 25m
United Airlines
Wed 5/131:20 pm
LIR
- PHX
1 stop8h 45m
United Airlines
Deal found 3/12![United Airlines logo]()
$510
This Copa Airlines deal was found by Cheapflights users on 3/12. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/274:21 pm
PHX
- SJO
2 stops15h 00m
Copa Airlines
Fri 6/128:14 am
SJO
- PHX
2 stops15h 45m
Copa Airlines
Deal found 3/12![Copa Airlines logo]()
$572
This United Airlines deal was found by Cheapflights users on 3/16. 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.
Sun 4/198:30 am
PHX
- SJO
1 stop10h 07m
United Airlines
Sun 4/266:40 am
SJO
- PHX
1 stop13h 05m
United Airlines
Deal found 3/16![United Airlines logo]()
$544
This United Airlines deal was found by Cheapflights users on 3/14. 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.
Sat 7/46:00 am
PHX
- LIR
1 stop8h 19m
United Airlines
Sat 7/111:03 pm
LIR
- PHX
1 stop11h 21m
United Airlines
Deal found 3/14![United Airlines logo]()
$558
This United Airlines deal was found by Cheapflights users on 3/12. 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 4/216:00 am
PHX
- LIR
1 stop8h 19m
United Airlines
Sat 4/253:27 pm
LIR
- PHX
1 stop18h 10m
United Airlines
Deal found 3/12![United Airlines logo]()
$568
This United Airlines deal was found by Cheapflights users on 3/16. 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.
Wed 5/204:00 pm
PHX
- SJO
1 stop17h 11m
United Airlines
Sat 5/308:45 am
SJO
- PHX
1 stop13h 54m
United Airlines
Deal found 3/16![United Airlines logo]()
$586
This United Airlines deal was found by Cheapflights users on 3/16. 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.
Sun 6/74:21 pm
PHX
- LIR
2 stops16h 29m
United Airlines
Sun 6/144:05 pm
LIR
- PHX
1 stop19h 01m
United Airlines
Deal found 3/16![United Airlines logo]()
$588
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/216:47 pm
PHX
- LIR
1 stop14h 03m
United Airlines
Fri 5/293:27 pm
LIR
- PHX
2 stops18h 33m
United Airlines
Deal found 3/12![United Airlines logo]()
$610
This United Airlines deal was found by Cheapflights users on 3/15. 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 6/16:54 pm
PHX
- LIR
2 stops13h 56m
United Airlines
Sun 6/78:30 am
LIR
- PHX
1 stop11h 09m
United Airlines
Deal found 3/15![United Airlines logo]()
$616
Last-minute flights from Sky Harbor Intl to Costa RicaDiscover last-minute flight deals from Sky Harbor Intl to Costa Rica. Data last updated March 17, 2026 and is based on user searches.
Discover last-minute flight deals from Sky Harbor Intl to Costa Rica. Data last updated March 17, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 3/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/259:34 am
PHX
- SJO
1 stop13h 22m
Multiple Airlines
Mon 3/304:06 pm
SJO
- PHX
1 stop16h 57m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$416
This Mytrip deal was found by Cheapflights users on 3/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/278:43 am
PHX
- SJO
1 stop24h 47m
Multiple Airlines
Mon 3/304:06 pm
SJO
- PHX
1 stop16h 57m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$412
This American Airlines deal was found by Cheapflights users on 3/15. 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.
Sun 4/55:00 am
PHX
- LIR
1 stop7h 29m
American Airlines
Fri 4/172:40 pm
LIR
- PHX
1 stop10h 19m
American Airlines
Deal found 3/15![American Airlines logo]()
$436
This Southwest deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/99:35 am
PHX
- SJO
1 stop8h 25m
Southwest
Thu 4/161:10 pm
SJO
- PHX
1 stop10h 30m
Southwest
Deal found 3/12![Southwest logo]()
$433
This Southwest deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1411:55 pm
PHX
- SJO
1 stop11h 15m
Southwest
Tue 4/211:10 pm
SJO
- PHX
1 stop9h 20m
Southwest
Deal found 3/15![Southwest logo]()
$443
This American Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:10 pm
PHX
- LIR
1 stop11h 18m
American Airlines
Tue 4/282:40 pm
LIR
- PHX
2 stops17h 12m
American Airlines
Deal found 3/16![American Airlines logo]()
$441
This American Airlines deal was found by Cheapflights users on 3/15. 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.
Fri 4/246:00 am
PHX
- SJO
1 stop14h 36m
American Airlines
Sun 5/311:35 pm
SJO
- PHX
1 stop10h 50m
American Airlines
Deal found 3/15![American Airlines logo]()
$446
This American Airlines deal was found by Cheapflights users on 3/15. 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.
Sun 4/2611:59 pm
PHX
- SJO
1 stop10h 26m
American Airlines
Tue 4/2812:35 pm
SJO
- PHX
1 stop11h 27m
American Airlines
Deal found 3/15![American Airlines logo]()
$429
This American Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2611:59 pm
PHX
- SJO
1 stop10h 26m
American Airlines
Sat 5/211:35 pm
SJO
- PHX
1 stop11h 44m
American Airlines
Deal found 3/14![American Airlines logo]()
$441
This American Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2710:00 pm
PHX
- SJO
1 stop20h 07m
American Airlines
Wed 4/2911:35 pm
SJO
- PHX
1 stop9h 19m
American Airlines
Deal found 3/14![American Airlines logo]()
$414
This American Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2710:17 pm
PHX
- SJO
2 stops11h 50m
American Airlines
Mon 5/46:30 am
SJO
- PHX
1 stop18h 29m
American Airlines
Deal found 3/12![American Airlines logo]()
$431
This American Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:00 am
PHX
- SJO
1 stop14h 36m
American Airlines
Wed 5/611:35 pm
SJO
- PHX
1 stop9h 19m
American Airlines
Deal found 3/16![American Airlines logo]()
$406
One-way flights from Sky Harbor Intl to Costa RicaSearch for one-way flight options from Sky Harbor Intl to Costa Rica. Find affordable one-way fares based on user searches. Data last updated March 17, 2026.
Search for one-way flight options from Sky Harbor Intl to Costa Rica. Find affordable one-way fares based on user searches. Data last updated March 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:06 am
PHX
- SJO
2 stops26h 27m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$138
This SmartFares deal was found by Cheapflights users on 3/14. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1210:06 pm
PHX
- SJO
1 stop12h 50m
JetBlue
Deal found 3/14![JetBlue logo]()
$169
This Priceline deal was found by Cheapflights users on 3/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2012:20 am
PHX
- SJO
1 stop30h 59m
Frontier
Deal found 3/14![Frontier logo]()
$178
This Gotogate deal was found by Cheapflights users on 3/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/229:34 am
PHX
- SJO
1 stop13h 22m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/108:40 pm
PHX
- LIR
3 stops32h 40m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:06 am
PHX
- SJO
2 stops26h 27m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$181
This American Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/29:05 am
PHX
- SJO
2 stops11h 31m
American Airlines
Deal found 3/16![American Airlines logo]()
$182
This BusinessClass deal was found by Cheapflights users on 3/15. 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 5/166:02 am
PHX
- SJO
2 stops12h 05m
GOL
Deal found 3/15![GOL logo]()
$184
This American Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/155:00 am
PHX
- SJO
1 stop15h 36m
American Airlines
Deal found 3/16![American Airlines logo]()
$185
This American Airlines deal was found by Cheapflights users on 3/15. 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.
Sun 4/1910:00 pm
PHX
- LIR
1 stop12h 24m
American Airlines
Deal found 3/15![American Airlines logo]()
$202
This United Airlines deal was found by Cheapflights users on 3/16. 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.
Wed 4/87:08 pm
PHX
- LIR
2 stops18h 17m
United Airlines
Deal found 3/16![United Airlines logo]()
$234
This American Airlines deal was found by Cheapflights users on 3/12. 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.
Thu 5/218:21 pm
PHX
- LIR
1 stop16h 20m
American Airlines
Deal found 3/12![American Airlines logo]()
$237
Find flight deals from Sky Harbor Intl to Costa Rica
Keep the following information in mind while searching for Sky Harbor Intl to Costa Rica flight deals. Data was last updated March 17, 2026.
Round-trip from | $384 (Expedia) |
|---|---|
One-way from | $138 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $553 |
Cheapflights Fare Finder
Customize your flight search to find flights from Sky Harbor Intl 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 March 17, 2026.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Costa Rica that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhoenixSan José
PHX - SJO
PHXSJO
Phoenix Sky Harbor Intl
Sat 5/9
7:05 pm-5:30 am
1 stop9h 25m
San José Juan Santamaria Intl
Sun 5/17
6:00 am-6:14 pm
1 stop13h 14m
$436
PhoenixSan José
PHX - SJO
PHXSJO
Phoenix Sky Harbor Intl
Thu 5/28
10:06 am-10:39 pm
2 stops11h 33m
San José Juan Santamaria Intl
Sat 6/6
6:00 am-2:52 pm
1 stop9h 52m
$481
PhoenixSan José
PHX - SJO
PHXSJO
Phoenix Sky Harbor Intl
Wed 4/15
9:50 am-7:00 pm
1 stop8h 10m
San José Juan Santamaria Intl
Tue 5/19
9:00 am-7:30 pm
2 stops11h 30m
$482
PhoenixLiberia
PHX - LIR
PHXLIR
Phoenix Sky Harbor Intl
Thu 4/16
7:04 pm-12:10 pm
2 stops16h 06m
Liberia
Mon 4/20
3:27 pm-8:37 am
1 stop18h 10m
$510
Quickest round-trip
PhoenixLiberia
PHX - LIR
PHXLIR
Phoenix Sky Harbor Intl
Mon 5/11
6:00 am-2:25 pm
1 stop7h 25m
Liberia
Wed 5/13
1:20 pm-9:05 pm
1 stop8h 45m
$510
PhoenixSan José
PHX - SJO
PHXSJO
Phoenix Sky Harbor Intl
Wed 4/29
3:32 pm-9:59 am
2 stops17h 27m
San José Juan Santamaria Intl
Wed 5/6
4:10 am-9:32 pm
2 stops18h 22m
$527
PhoenixSan José
PHX - SJO
PHXSJO
Phoenix Sky Harbor Intl
Fri 5/1
4:39 pm-9:06 am
2 stops15h 27m
San José Juan Santamaria Intl
Fri 5/8
5:47 am-9:32 pm
2 stops16h 45m
$527
PhoenixSan José
PHX - SJO
PHXSJO
Phoenix Sky Harbor Intl
Sun 4/19
8:30 am-7:37 pm
1 stop10h 07m
San José Juan Santamaria Intl
Sun 4/26
6:40 am-6:45 pm
1 stop13h 05m
$544
PhoenixSan José
PHX - SJO
PHXSJO
Phoenix Sky Harbor Intl
Tue 4/14
7:08 pm-9:05 am
2 stops12h 57m
San José Juan Santamaria Intl
Wed 4/22
5:46 am-9:59 pm
2 stops17h 13m
$547
PhoenixLiberia
PHX - LIR
PHXLIR
Phoenix Sky Harbor Intl
Sat 7/4
6:00 am-3:19 pm
1 stop8h 19m
Liberia
Sat 7/11
1:03 pm-11:24 pm
1 stop11h 21m
$558
Showing 1-10 of 34 resultsSorted by cheapest first
Best time to book a flight from Sky Harbor Intl to Costa Rica
Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Sky Harbor Intl with our price prediction graph.
PHX-SJO
PHX-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 Phoenix Sky Harbor Intl Airport to Costa Rica
PHX-CR0
PHX-SJO
PHX-LIR
What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Costa Rica?
Currently, September is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Costa Rica (average of $304). Flying from Phoenix Sky Harbor Intl Airport to Costa Rica in June is currently the most expensive (average of $400). 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 March 17, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Phoenix Sky Harbor Intl Airport 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.
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Related info for your journey
Find useful and relevant information for your journey from Sky Harbor Intl 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
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Sky Harbor Intl and Costa Rica flights
Browse other Sky Harbor Intl and Costa Rica flight options. Last updated on March 17, 2026.
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Top 5 airlines flying from Sky Harbor Intl to Costa Rica
Discover the top 5 airlines that operate flights from Sky Harbor Intl 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 March 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$131 | Average$328 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$164 | Average$567 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$340 | Average$553 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$345 | Average$548 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$354 | Average$573 | FlexibilityNo cancel fee | On-time63% |