$162+ 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 6/26. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SJO
May 23 — May 301
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 April 23, 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 April 23, 2026.
This American Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 9/13:26 pm
PHX
- LIR
2 stops19h 01m
American Airlines
Fri 9/182:10 pm
LIR
- PHX
2 stops19h 20m
American Airlines
Deal found 4/21![American Airlines logo]()
$403
This American Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 5/1610:00 pm
PHX
- LIR
1 stop14h 10m
American Airlines
Sat 5/232:19 pm
LIR
- PHX
1 stop18h 33m
American Airlines
Deal found 4/22![American Airlines logo]()
$428
This American Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1312:30 am
PHX
- LIR
1 stop11h 00m
American Airlines
Fri 12/251:27 pm
LIR
- PHX
1 stop11h 10m
American Airlines
Deal found 4/21![American Airlines logo]()
$436
This FlightHub deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3011:50 am
PHX
- SJO
2 stops19h 29m
Frontier
Sun 6/79:35 am
SJO
- PHX
1 stop26h 10m
Frontier
Deal found 4/22![Frontier logo]()
$438
This Southwest deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/125:45 am
PHX
- LIR
1 stop6h 30m
Southwest
Fri 5/152:10 pm
LIR
- PHX
1 stop8h 00m
Southwest
Deal found 4/18![Southwest logo]()
$439
This American Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 4/299:21 am
PHX
- SJO
2 stops11h 15m
American Airlines
Wed 5/66:30 am
SJO
- PHX
1 stop10h 27m
American Airlines
Deal found 4/22![American Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/167:05 pm
PHX
- SJO
1 stop9h 25m
United Airlines
Sat 5/231:00 pm
SJO
- PHX
1 stop11h 37m
United Airlines
Deal found 4/18![United Airlines logo]()
$440
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/19:30 am
PHX
- LIR
1 stop8h 07m
United Airlines
Tue 12/158:35 am
LIR
- PHX
2 stops15h 16m
United Airlines
Deal found 4/20![United Airlines logo]()
$441
This United Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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
Sat 5/166:00 am
SJO
- PHX
1 stop13h 14m
United Airlines
Deal found 4/22![United Airlines logo]()
$441
This American Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 7/46:10 am
PHX
- SJO
1 stop15h 28m
American Airlines
Sun 7/1211:41 pm
SJO
- PHX
2 stops13h 47m
American Airlines
Deal found 4/21![American Airlines logo]()
$442
This Kiwi.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 5/2911:30 pm
PHX
- SJO
2 stops35h 15m
Multiple Airlines
Mon 6/89:35 am
SJO
- PHX
1 stop25h 52m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$443
This American Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2611:59 pm
PHX
- SJO
1 stop10h 26m
American Airlines
Sat 5/26:30 am
SJO
- PHX
1 stop16h 34m
American Airlines
Deal found 4/19![American Airlines logo]()
$444
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 April 23, 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 April 23, 2026.
This Southwest deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” 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 5/1211:55 pm
PHX
- SJO
2 stops11h 15m
Southwest
Fri 5/159:00 am
SJO
- PHX
2 stops13h 25m
Southwest
Deal found 4/23![Southwest logo]()
$533
This United Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/274:12 pm
PHX
- SJO
1 stop16h 59m
United Airlines
Wed 6/38:45 am
SJO
- PHX
1 stop10h 54m
United Airlines
Deal found 4/19![United Airlines logo]()
$546
This United Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/284:12 pm
PHX
- SJO
1 stop16h 59m
United Airlines
Fri 6/57:55 am
SJO
- PHX
1 stop10h 45m
United Airlines
Deal found 4/19![United Airlines logo]()
$546
This United Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/161:25 pm
PHX
- SJO
2 stops15h 05m
United Airlines
Tue 5/2612:30 am
SJO
- PHX
2 stops22h 29m
United Airlines
Deal found 4/19![United Airlines logo]()
$551
This United Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 5/274:12 pm
PHX
- SJO
1 stop16h 59m
United Airlines
Fri 6/128:45 am
SJO
- PHX
1 stop26h 25m
United Airlines
Deal found 4/22![United Airlines logo]()
$554
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/94:39 pm
PHX
- SJO
2 stops18h 42m
United Airlines
Sat 5/167:55 am
SJO
- PHX
2 stops25h 53m
United Airlines
Deal found 4/20![United Airlines logo]()
$566
This United Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 6/110:06 am
PHX
- SJO
2 stops23h 05m
United Airlines
Mon 6/812:30 am
SJO
- PHX
1 stop18h 10m
United Airlines
Deal found 4/22![United Airlines logo]()
$566
This United Airlines deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/137:05 pm
PHX
- SJO
2 stops23h 32m
United Airlines
Mon 5/181:25 pm
SJO
- PHX
2 stops24h 13m
United Airlines
Deal found 4/18![United Airlines logo]()
$566
This United Airlines deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/14:39 pm
PHX
- SJO
2 stops18h 42m
United Airlines
Fri 5/87:55 am
SJO
- PHX
2 stops16h 52m
United Airlines
Deal found 4/18![United Airlines logo]()
$581
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/14:39 pm
PHX
- SJO
2 stops18h 42m
United Airlines
Sat 5/3012:30 am
SJO
- PHX
2 stops21h 00m
United Airlines
Deal found 4/20![United Airlines logo]()
$581
This United Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1910:06 am
PHX
- LIR
2 stops22h 44m
United Airlines
Thu 7/233:27 pm
LIR
- PHX
2 stops19h 43m
United Airlines
Deal found 4/19![United Airlines logo]()
$622
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/106:00 am
PHX
- LIR
1 stop7h 25m
United Airlines
Wed 5/131:20 pm
LIR
- PHX
1 stop29h 46m
United Airlines
Deal found 4/20![United Airlines logo]()
$650
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/34:21 pm
PHX
- LIR
2 stops16h 29m
United Airlines
Sun 7/1211:10 am
LIR
- PHX
1 stop12h 34m
United Airlines
Deal found 4/20![United Airlines logo]()
$699
This United Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 5/26:00 am
PHX
- LIR
1 stop7h 25m
United Airlines
Sat 5/308:30 am
LIR
- PHX
1 stop14h 09m
United Airlines
Deal found 4/22![United Airlines logo]()
$740
This United Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/147:24 am
PHX
- LIR
2 stops25h 26m
United Airlines
Sun 6/213:27 pm
LIR
- PHX
2 stops18h 33m
United Airlines
Deal found 4/22![United Airlines logo]()
$786
This United Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/147:24 am
PHX
- LIR
2 stops25h 26m
United Airlines
Fri 6/193:27 pm
LIR
- PHX
2 stops24h 25m
United Airlines
Deal found 4/21![United Airlines logo]()
$788
Last-minute flights from Phoenix to Costa RicaDiscover last-minute flight deals from Phoenix to Costa Rica. Data last updated April 23, 2026 and is based on user searches.
Discover last-minute flight deals from Phoenix to Costa Rica. Data last updated April 23, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2611:59 pm
PHX
- SJO
1 stop10h 26m
American Airlines
Sat 5/26:30 am
SJO
- PHX
1 stop16h 34m
American Airlines
Deal found 4/19![American Airlines logo]()
$444
This American Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 4/299:21 am
PHX
- SJO
2 stops11h 15m
American Airlines
Wed 5/66:30 am
SJO
- PHX
1 stop10h 27m
American Airlines
Deal found 4/22![American Airlines logo]()
$439
This American Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 4/299:21 am
PHX
- SJO
2 stops11h 15m
American Airlines
Fri 6/511:59 pm
SJO
- PHX
2 stops13h 23m
American Airlines
Deal found 4/21![American Airlines logo]()
$449
This American Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/511:10 pm
PHX
- SJO
2 stops10h 57m
American Airlines
Tue 5/126:30 am
SJO
- PHX
2 stops14h 04m
American Airlines
Deal found 4/20![American Airlines logo]()
$446
This United Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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
Sat 5/166:00 am
SJO
- PHX
1 stop13h 14m
United Airlines
Deal found 4/22![United Airlines logo]()
$441
This Southwest deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/125:45 am
PHX
- LIR
1 stop6h 30m
Southwest
Fri 5/152:10 pm
LIR
- PHX
1 stop8h 00m
Southwest
Deal found 4/18![Southwest logo]()
$439
This American Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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
Thu 5/212:09 pm
SJO
- PHX
1 stop17h 31m
American Airlines
Deal found 4/21![American Airlines logo]()
$451
This American Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 5/1610:00 pm
PHX
- LIR
1 stop14h 10m
American Airlines
Sat 5/232:19 pm
LIR
- PHX
1 stop18h 33m
American Airlines
Deal found 4/22![American Airlines logo]()
$428
This United Airlines deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/167:05 pm
PHX
- SJO
1 stop9h 25m
United Airlines
Sat 5/231:00 pm
SJO
- PHX
1 stop11h 37m
United Airlines
Deal found 4/18![United Airlines logo]()
$440
This Kiwi.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” 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 5/2911:30 pm
PHX
- SJO
2 stops35h 15m
Multiple Airlines
Mon 6/89:35 am
SJO
- PHX
1 stop25h 52m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$443
This FlightHub deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3011:50 am
PHX
- SJO
2 stops19h 29m
Frontier
Sun 6/79:35 am
SJO
- PHX
1 stop26h 10m
Frontier
Deal found 4/22![Frontier logo]()
$438
This Priceline deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3012:20 am
PHX
- SJO
1 stop30h 59m
Frontier
Sun 6/79:35 am
SJO
- PHX
2 stops55h 13m
Frontier
Deal found 4/20![Frontier logo]()
$442
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 April 23, 2026.
Search for one-way flight options from Phoenix to Costa Rica. Find affordable one-way fares based on user searches. Data last updated April 23, 2026.
This Priceline deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2612:35 am
PHX
- SJO
1 stop30h 45m
Frontier
Deal found 4/19![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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.
Thu 5/145:15 am
PHX
- SJO
3 stops29h 30m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$183
This United Airlines deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/281:19 pm
PHX
- SJO
1 stop16h 56m
United Airlines
Deal found 4/18![United Airlines logo]()
$185
This BusinessClass deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2711:52 pm
PHX
- SJO
1 stop12h 16m
GOL
Deal found 4/20![GOL logo]()
$187
This Orbitz deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3012:20 am
PHX
- SJO
1 stop30h 59m
Frontier
Deal found 4/19![Frontier logo]()
$188
This American Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/156:02 am
PHX
- SJO
1 stop14h 34m
American Airlines
Deal found 4/20![American Airlines logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 5/912:05 pm
PHX
- SJO
2 stops46h 40m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2911:30 pm
PHX
- SJO
2 stops31h 49m
Frontier
Deal found 4/20![Frontier logo]()
$200
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/154:35 pm
PHX
- LIR
1 stop18h 18m
United Airlines
Deal found 4/20![United Airlines logo]()
$202
This United Airlines deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/912:20 pm
PHX
- SJO
1 stop20h 51m
United Airlines
Deal found 4/18![United Airlines logo]()
$206
This American Airlines deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/154:15 pm
PHX
- LIR
1 stop18h 07m
American Airlines
Deal found 4/18![American Airlines logo]()
$207
This American Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1511:59 pm
PHX
- LIR
2 stops12h 11m
American Airlines
Deal found 4/20![American Airlines logo]()
$287
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 April 23, 2026.
Round-trip from | $403 (American Airlines) |
|---|---|
One-way from | $162 (Priceline) |
Popular in | December |
Cheapest in | September |
Average price | $537 |
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 April 23, 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 5/12
11:55 pm-12:10 pm
2 stops11h 15m
San José Juan Santamaria Intl
Fri 5/15
9:00 am-9:25 pm
2 stops13h 25m
$533
PhoenixSan José
PHX - SJO
PHXSJO
Phoenix Sky Harbor Intl
Wed 5/27
4:12 pm-10:11 am
1 stop16h 59m
San José Juan Santamaria Intl
Wed 6/3
8:45 am-6:39 pm
1 stop10h 54m
$546
PhoenixSan José
PHX - SJO
PHXSJO
Phoenix Sky Harbor Intl
Thu 5/28
4:12 pm-10:11 am
1 stop16h 59m
San José Juan Santamaria Intl
Fri 6/5
7:55 am-5:40 pm
1 stop10h 45m
$546
PhoenixSan José
PHX - SJO
PHXSJO
Phoenix Sky Harbor Intl
Sat 5/16
1:25 pm-5:30 am
2 stops15h 05m
San José Juan Santamaria Intl
Tue 5/26
12:30 am-9:59 pm
2 stops22h 29m
$551
PhoenixSan José
PHX - SJO
PHXSJO
Phoenix Sky Harbor Intl
Wed 5/27
4:12 pm-10:11 am
1 stop16h 59m
San José Juan Santamaria Intl
Fri 6/12
8:45 am-10:10 am
1 stop26h 25m
$554
PhoenixSan José
PHX - SJO
PHXSJO
Phoenix Sky Harbor Intl
Sat 5/9
4:39 pm-12:21 pm
2 stops18h 42m
San José Juan Santamaria Intl
Sat 5/16
7:55 am-8:48 am
2 stops25h 53m
$566
PhoenixSan José
PHX - SJO
PHXSJO
Phoenix Sky Harbor Intl
Mon 6/1
10:06 am-10:11 am
2 stops23h 05m
San José Juan Santamaria Intl
Mon 6/8
12:30 am-5:40 pm
1 stop18h 10m
$566
PhoenixSan José
PHX - SJO
PHXSJO
Phoenix Sky Harbor Intl
Wed 5/13
7:05 pm-7:37 pm
2 stops23h 32m
San José Juan Santamaria Intl
Mon 5/18
1:25 pm-12:38 pm
2 stops24h 13m
$566
PhoenixSan José
PHX - SJO
PHXSJO
Phoenix Sky Harbor Intl
Fri 5/1
4:39 pm-12:21 pm
2 stops18h 42m
San José Juan Santamaria Intl
Fri 5/8
7:55 am-11:47 pm
2 stops16h 52m
$581
PhoenixSan José
PHX - SJO
PHXSJO
Phoenix Sky Harbor Intl
Fri 5/1
4:39 pm-12:21 pm
2 stops18h 42m
San José Juan Santamaria Intl
Sat 5/30
12:30 am-8:30 pm
2 stops21h 00m
$581
Showing 1-10 of 30 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
How far ahead should I book a flight from Phoenix to Costa Rica?
The price you pay for your flight from Phoenix to Costa Rica may vary depending on when you book. For the best chance of a lower fare, look to book 68 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 $164). Flying from Phoenix to Costa Rica in May is currently the most expensive (average of $346). 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 April 23, 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.
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Food
7.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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 April 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from Phoenix to Costa Rica
Discover the top 6 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 April 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$131 | Average$425 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$325 | Average$589 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$326 | Average$600 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$333 | Average$544 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$338 | Average$552 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$354 | Average$591 | FlexibilityNo cancel fee | On-time63% |