$165+ Cheap flights from Phoenix 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 3/20. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SJO
Apr 12 — Apr 191
Round-trip
1 adult, Economy
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Find cheap flights from Phoenix to Costa Rica with Cheapflights
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Cheapest flights from Phoenix to Costa RicaExplore the most affordable flight options available from Phoenix to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 13, 2026.
Explore the most affordable flight options available from Phoenix to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 13, 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 American Airlines deal was found by Cheapflights users on 3/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/123:25 pm
PHX
- LIR
1 stop18h 59m
American Airlines
Tue 5/192:10 pm
LIR
- PHX
1 stop18h 44m
American Airlines
Deal found 3/8![American Airlines logo]()
$380
This American Airlines deal was found by Cheapflights users on 3/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1310:00 pm
PHX
- SJO
1 stop14h 08m
American Airlines
Mon 5/186:30 am
SJO
- PHX
1 stop16h 34m
American Airlines
Deal found 3/8![American Airlines logo]()
$386
This American Airlines deal was found by Cheapflights users on 3/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:00 am
PHX
- SJO
1 stop14h 36m
American Airlines
Mon 5/46:30 am
SJO
- PHX
2 stops13h 53m
American Airlines
Deal found 3/8![American Airlines logo]()
$391
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 Volaris deal was found by Cheapflights users on 3/9. 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 Volaris is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:34 am
PHX
- SJO
1 stop13h 25m
Multiple Airlines
Tue 8/184:18 pm
SJO
- PHX
1 stop16h 42m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$398
This American Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/23:25 pm
PHX
- LIR
1 stop18h 59m
American Airlines
Fri 5/812:28 pm
LIR
- PHX
1 stop11h 28m
American Airlines
Deal found 3/11![American Airlines logo]()
$400
This Frontier deal was found by Cheapflights users on 3/9. 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 Frontier 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
Frontier
Sun 4/51:27 pm
SJO
- PHX
1 stop18h 58m
Frontier
Deal found 3/9![Frontier logo]()
$400
This BusinessClass deal was found by Cheapflights users on 3/8. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:59 pm
PHX
- SJO
1 stop10h 26m
GOL
Sun 4/2611:35 pm
SJO
- PHX
1 stop23h 11m
GOL
Deal found 3/8![GOL logo]()
$402
This Volaris deal was found by Cheapflights users on 3/9. 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 Volaris is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/29:34 am
PHX
- SJO
1 stop13h 25m
Multiple Airlines
Thu 6/114:18 pm
SJO
- PHX
1 stop16h 42m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$405
This American Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/15:00 am
PHX
- SJO
1 stop15h 36m
American Airlines
Wed 5/62:22 pm
SJO
- PHX
1 stop10h 37m
American Airlines
Deal found 3/11![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
Best flights from Phoenix to Costa RicaDiscover carefully curated flight deals from Phoenix to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 13, 2026.
Discover carefully curated flight deals from Phoenix to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 13, 2026.
This Volaris deal was found by Cheapflights users on 3/10. 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 Volaris is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/29:34 am
PHX
- SJO
1 stop13h 25m
Multiple Airlines
Thu 6/114:18 pm
SJO
- PHX
1 stop16h 42m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/93:50 pm
PHX
- SJO
1 stop12h 40m
United Airlines
Sun 5/176:00 am
SJO
- PHX
1 stop9h 44m
United Airlines
Deal found 3/11![United Airlines logo]()
$436
This Southwest deal was found by Cheapflights users on 3/10. 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 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 4/169:00 am
SJO
- PHX
2 stops13h 25m
Southwest
Deal found 3/10![Southwest logo]()
$497
This Copa Airlines deal was found by Cheapflights users on 3/10. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:05 pm
PHX
- SJO
2 stops17h 16m
Copa Airlines
Fri 5/88:14 am
SJO
- PHX
2 stops14h 18m
Copa Airlines
Deal found 3/10![Copa Airlines logo]()
$527
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Mon 4/208:30 am
PHX
- SJO
1 stop10h 07m
United Airlines
Mon 4/277:55 am
SJO
- PHX
1 stop14h 46m
United Airlines
Deal found 3/8![United Airlines logo]()
$460
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 5/284:12 pm
PHX
- LIR
1 stop16h 38m
United Airlines
Sat 6/68:30 am
LIR
- PHX
1 stop10h 54m
United Airlines
Deal found 3/12![United Airlines logo]()
$475
This Copa Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/93:30 pm
PHX
- SJO
2 stops16h 36m
Copa Airlines
Sun 5/175:47 am
SJO
- PHX
2 stops16h 45m
Copa Airlines
Deal found 3/11![Copa Airlines logo]()
$527
This Copa Airlines deal was found by Cheapflights users on 3/10. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/133:48 pm
PHX
- SJO
2 stops21h 04m
Copa Airlines
Thu 4/166:19 pm
SJO
- PHX
2 stops28h 40m
Copa Airlines
Deal found 3/10![Copa Airlines logo]()
$529
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Mon 5/116:00 am
PHX
- LIR
1 stop8h 19m
United Airlines
Wed 5/131:20 pm
LIR
- PHX
1 stop8h 45m
United Airlines
Deal found 3/8![United Airlines logo]()
$490
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 4/154:34 pm
PHX
- SJO
2 stops13h 34m
Copa Airlines
Mon 4/205:56 pm
SJO
- PHX
2 stops29h 03m
Copa Airlines
Deal found 3/12![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.
Thu 4/167:04 pm
PHX
- LIR
2 stops16h 06m
United Airlines
Mon 4/203:27 pm
LIR
- PHX
2 stops18h 21m
United Airlines
Deal found 3/12![United Airlines logo]()
$515
This Copa Airlines deal was found by Cheapflights users on 3/8. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:08 pm
PHX
- SJO
2 stops22h 52m
Copa Airlines
Tue 4/145:56 pm
SJO
- PHX
2 stops29h 03m
Copa Airlines
Deal found 3/8![Copa Airlines logo]()
$557
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 5/287:47 pm
PHX
- LIR
2 stops13h 03m
United Airlines
Tue 6/23:27 pm
LIR
- PHX
2 stops19h 43m
United Airlines
Deal found 3/12![United Airlines logo]()
$538
This Copa Airlines deal was found by Cheapflights users on 3/8. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:00 am
PHX
- SJO
2 stops25h 20m
Copa Airlines
Sat 4/254:09 am
SJO
- PHX
2 stops15h 05m
Copa Airlines
Deal found 3/8![Copa Airlines logo]()
$572
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.
Wed 4/157:08 pm
PHX
- SJO
2 stops14h 03m
United Airlines
Mon 4/207:55 am
SJO
- PHX
1 stop14h 46m
United Airlines
Deal found 3/12![United Airlines logo]()
$551
This Copa Airlines deal was found by Cheapflights users on 3/9. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/13:30 pm
PHX
- SJO
2 stops14h 42m
Copa Airlines
Wed 5/64:10 am
SJO
- PHX
2 stops18h 22m
Copa Airlines
Deal found 3/9![Copa Airlines logo]()
$573
This United Airlines deal was found by Cheapflights users on 3/9. 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 6/46:10 am
PHX
- LIR
1 stop7h 15m
United Airlines
Tue 6/93:27 pm
LIR
- PHX
2 stops18h 33m
United Airlines
Deal found 3/9![United Airlines logo]()
$573
This United Airlines deal was found by Cheapflights users on 3/8. 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 4/216:00 am
PHX
- LIR
1 stop8h 19m
United Airlines
Sun 4/263:27 pm
LIR
- PHX
1 stop18h 10m
United Airlines
Deal found 3/8![United Airlines logo]()
$588
This United Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/96:47 pm
PHX
- LIR
1 stop16h 23m
United Airlines
Sat 7/183:27 pm
LIR
- PHX
1 stop7h 58m
United Airlines
Deal found 3/11![United Airlines logo]()
$598
Last-minute flights from Phoenix to Costa RicaDiscover last-minute flight deals from Phoenix to Costa Rica. Data last updated March 13, 2026 and is based on user searches.
Discover last-minute flight deals from Phoenix to Costa Rica. Data last updated March 13, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 3/9. 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 Frontier 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
Frontier
Sun 4/51:27 pm
SJO
- PHX
1 stop18h 58m
Frontier
Deal found 3/9![Frontier logo]()
$400
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 Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:47 pm
PHX
- LIR
1 stop21h 15m
Multiple Airlines
Thu 4/167:40 am
LIR
- PHX
1 stop17h 52m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$426
This American Airlines deal was found by Cheapflights users on 3/10. 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.
Thu 4/911:10 pm
PHX
- LIR
1 stop11h 18m
American Airlines
Thu 4/162:10 pm
LIR
- PHX
1 stop18h 44m
American Airlines
Deal found 3/10![American Airlines logo]()
$436
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:29 pm
PHX
- LIR
1 stop15h 51m
Multiple Airlines
Mon 4/206:12 pm
LIR
- PHX
1 stop24h 08m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$425
This American Airlines deal was found by Cheapflights users on 3/10. 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 4/189:25 am
PHX
- SJO
1 stop11h 11m
American Airlines
Thu 4/3012:35 pm
SJO
- PHX
1 stop11h 21m
American Airlines
Deal found 3/10![American Airlines logo]()
$406
This BusinessClass deal was found by Cheapflights users on 3/8. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:59 pm
PHX
- SJO
1 stop10h 26m
GOL
Sun 4/2611:35 pm
SJO
- PHX
1 stop23h 11m
GOL
Deal found 3/8![GOL logo]()
$402
This United Airlines deal was found by Cheapflights users on 3/8. 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 4/237:38 pm
PHX
- SJO
1 stop10h 37m
United Airlines
Mon 4/277:55 am
SJO
- PHX
1 stop11h 11m
United Airlines
Deal found 3/8![United Airlines logo]()
$416
This Southwest deal was found by Cheapflights users on 3/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/249:35 am
PHX
- SJO
1 stop8h 25m
Southwest
Fri 5/19:00 am
SJO
- PHX
1 stop15h 35m
Southwest
Deal found 3/10![Southwest logo]()
$423
This American Airlines deal was found by Cheapflights users on 3/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/266:35 am
PHX
- SJO
1 stop14h 01m
American Airlines
Sat 5/211:35 pm
SJO
- PHX
1 stop10h 50m
American Airlines
Deal found 3/8![American Airlines logo]()
$420
This American Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/273:25 pm
PHX
- SJO
1 stop18h 42m
American Airlines
Wed 4/2911:35 pm
SJO
- PHX
1 stop17h 25m
American Airlines
Deal found 3/11![American Airlines logo]()
$414
This American Airlines deal was found by Cheapflights users on 3/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:00 am
PHX
- SJO
1 stop14h 36m
American Airlines
Mon 5/46:30 am
SJO
- PHX
1 stop16h 34m
American Airlines
Deal found 3/8![American Airlines logo]()
$386
One-way flights from Phoenix to Costa RicaSearch for one-way flight options from Phoenix to Costa Rica. Find affordable one-way fares based on user searches. Data last updated March 13, 2026.
Search for one-way flight options from Phoenix to Costa Rica. Find affordable one-way fares based on user searches. Data last updated March 13, 2026.
This Volaris deal was found by Cheapflights users on 3/10. 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 Volaris is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/209:34 am
PHX
- SJO
1 stop13h 22m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$165
This Trip.com deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/79:15 am
PHX
- SJO
2 stops25h 18m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$166
This Southwest deal was found by Cheapflights users on 3/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:45 am
PHX
- SJO
1 stop10h 15m
Southwest
Deal found 3/8![Southwest logo]()
$172
This American Airlines deal was found by Cheapflights users on 3/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1911:59 pm
PHX
- LIR
2 stops12h 11m
American Airlines
Deal found 3/8![American Airlines logo]()
$180
This American Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/210:17 pm
PHX
- SJO
1 stop12h 08m
American Airlines
Deal found 3/11![American Airlines logo]()
$182
This American Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/159:25 am
PHX
- SJO
1 stop11h 11m
American Airlines
Deal found 3/11![American Airlines logo]()
$185
This JetBlue deal was found by Cheapflights users on 3/9. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/310:00 pm
PHX
- LIR
1 stop11h 10m
JetBlue
Deal found 3/9![JetBlue logo]()
$192
This United Airlines deal was found by Cheapflights users on 3/8. 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 5/146:00 am
PHX
- LIR
1 stop8h 19m
United Airlines
Deal found 3/8![United Airlines logo]()
$194
This American Airlines deal was found by Cheapflights users on 3/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/110:05 pm
PHX
- LIR
1 stop12h 17m
American Airlines
Deal found 3/9![American Airlines logo]()
$197
This American Airlines deal was found by Cheapflights users on 3/10. 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 3/3010:59 pm
PHX
- SJO
1 stop12h 51m
American Airlines
Deal found 3/10![American Airlines logo]()
$197
This Priceline deal was found by Cheapflights users on 3/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1912:30 am
PHX
- SJO
1 stop31h 15m
Frontier
Deal found 3/10![Frontier logo]()
$198
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/265:08 am
PHX
- SJO
2 stops29h 25m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$202
Find flight deals from Phoenix to Costa Rica
Keep the following information in mind while searching for Phoenix to Costa Rica flight deals. Data was last updated March 13, 2026.
Round-trip from | $373 (Gotogate) |
|---|---|
One-way from | $165 (Volaris) |
Popular in | December |
Cheapest in | August |
Average price | $553 |
Cheapflights Fare Finder
Customize your flight search to find flights from Phoenix 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 13, 2026.
Use the filters below to find and compare flights from Phoenix 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
Tue 6/2
9:34 am-11:59 pm
1 stop13h 25m
San José Juan Santamaria Intl
Thu 6/11
4:18 pm-8:00 am
1 stop16h 42m
$434
PhoenixSan José
PHX - SJO
PHXSJO
Phoenix Sky Harbor Intl
Sat 5/9
3:50 pm-5:30 am
1 stop12h 40m
San José Juan Santamaria Intl
Sun 5/17
6:00 am-2:44 pm
1 stop9h 44m
$436
PhoenixSan José
PHX - SJO
PHXSJO
Phoenix Sky Harbor Intl
Mon 4/20
8:30 am-7:37 pm
1 stop10h 07m
San José Juan Santamaria Intl
Mon 4/27
7:55 am-9:41 pm
1 stop14h 46m
$460
PhoenixLiberia
PHX - LIR
PHXLIR
Phoenix Sky Harbor Intl
Thu 5/28
4:12 pm-9:50 am
1 stop16h 38m
Liberia
Sat 6/6
8:30 am-6:24 pm
1 stop10h 54m
$475
Quickest round-trip
PhoenixLiberia
PHX - LIR
PHXLIR
Phoenix Sky Harbor Intl
Mon 5/11
6:00 am-3:19 pm
1 stop8h 19m
Liberia
Wed 5/13
1:20 pm-9:05 pm
1 stop8h 45m
$490
PhoenixSan José
PHX - SJO
PHXSJO
Phoenix Sky Harbor Intl
Thu 4/9
9:35 am-7:00 pm
1 stop8h 25m
San José Juan Santamaria Intl
Thu 4/16
9:00 am-9:25 pm
2 stops13h 25m
$497
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-8:48 am
2 stops18h 21m
$515
PhoenixSan José
PHX - SJO
PHXSJO
Phoenix Sky Harbor Intl
Fri 5/1
7:05 pm-1:21 pm
2 stops17h 16m
San José Juan Santamaria Intl
Fri 5/8
8:14 am-9:32 pm
2 stops14h 18m
$527
PhoenixSan José
PHX - SJO
PHXSJO
Phoenix Sky Harbor Intl
Sat 5/9
3:30 pm-9:06 am
2 stops16h 36m
San José Juan Santamaria Intl
Sun 5/17
5:47 am-9:32 pm
2 stops16h 45m
$527
PhoenixSan José
PHX - SJO
PHXSJO
Phoenix Sky Harbor Intl
Mon 4/13
3:48 pm-1:52 pm
2 stops21h 04m
San José Juan Santamaria Intl
Thu 4/16
6:19 pm-9:59 pm
2 stops28h 40m
$529
Showing 1-10 of 35 resultsSorted by cheapest first
Best time to book a flight from Phoenix to Costa Rica
Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Phoenix 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 to Costa Rica
PH1-CR0
PHX-SJO
PHX-LIR
What is the cheapest month to book a flight from Phoenix to Costa Rica?
Currently, September is the cheapest month in which you can book a flight from Phoenix to Costa Rica (average of $304). Flying from Phoenix to Costa Rica in June is currently the most expensive (average of $395). 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 13, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Phoenix to Costa Rica have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Related info for your journey
Find useful and relevant information for your journey from Phoenix 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 Phoenix 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 Phoenix to Costa Rica by cabin class
Find flights from Phoenix to Costa Rica, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Phoenix and Costa Rica flights
Browse other Phoenix and Costa Rica flight options. Last updated on March 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Phoenix to Costa Rica
Discover the top 5 airlines that operate flights from Phoenix 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 13, 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$338 | Average$551 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$344 | Average$548 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$352 | Average$574 | FlexibilityNo cancel fee | On-time63% |