$153+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SJO
Jul 15 — Jul 221
Round-trip
1 adult, Economy
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Find cheap flights from Phoenix to Costa Rica with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from 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 June 15, 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 June 15, 2026.
This American Airlines deal was found by Cheapflights users on 6/11. 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 8/2410:20 pm
PHX
- LIR
1 stop12h 07m
American Airlines
Thu 9/32:45 pm
LIR
- PHX
2 stops16h 48m
American Airlines
Deal found 6/11![American Airlines logo]()
$422
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/410:00 pm
PHX
- LIR
1 stop14h 15m
American Airlines
Fri 7/102:15 pm
LIR
- PHX
1 stop17h 35m
American Airlines
Deal found 6/10![American Airlines logo]()
$436
This United Airlines deal was found by Cheapflights users on 6/13. 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.
Sat 7/46:00 am
PHX
- LIR
1 stop8h 19m
United Airlines
Wed 7/83:27 pm
LIR
- PHX
2 stops18h 33m
United Airlines
Deal found 6/13![United Airlines logo]()
$441
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Wed 9/97:00 pm
PHX
- LIR
2 stops17h 18m
American Airlines
Mon 9/142:18 pm
LIR
- PHX
2 stops19h 52m
American Airlines
Deal found 6/14![American Airlines logo]()
$446
This BusinessClass deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/75:00 am
PHX
- SJO
1 stop7h 52m
GOL
Fri 9/182:57 pm
SJO
- PHX
2 stops19h 18m
GOL
Deal found 6/10![GOL logo]()
$448
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Fri 7/34:24 pm
PHX
- LIR
1 stop19h 51m
American Airlines
Fri 7/103:40 pm
LIR
- PHX
1 stop16h 10m
American Airlines
Deal found 6/12![American Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/78:30 am
PHX
- SJO
1 stop10h 07m
United Airlines
Fri 9/188:45 am
SJO
- PHX
1 stop13h 23m
United Airlines
Deal found 6/10![United Airlines logo]()
$450
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:45 am
PHX
- SJO
1 stop10h 08m
American Airlines
Thu 8/276:00 am
SJO
- PHX
1 stop14h 36m
American Airlines
Deal found 6/10![American Airlines logo]()
$451
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Wed 10/146:52 pm
PHX
- LIR
1 stop16h 18m
United Airlines
Wed 10/211:20 pm
LIR
- PHX
1 stop8h 40m
United Airlines
Deal found 6/14![United Airlines logo]()
$452
This United Airlines deal was found by Cheapflights users on 6/12. 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 11/37:00 am
PHX
- LIR
1 stop10h 37m
United Airlines
Fri 11/138:35 am
LIR
- PHX
1 stop8h 46m
United Airlines
Deal found 6/12![United Airlines logo]()
$458
This Avianca deal was found by Cheapflights users on 6/15. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/231:20 pm
PHX
- SJO
2 stops18h 10m
Multiple Airlines
Wed 9/304:35 pm
SJO
- PHX
2 stops20h 50m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 6/13. 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.
Sat 7/114:25 pm
PHX
- LIR
2 stops16h 25m
United Airlines
Fri 7/171:20 pm
LIR
- PHX
1 stop8h 22m
United Airlines
Deal found 6/13![United Airlines logo]()
$463
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 June 15, 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 June 15, 2026.
This United Airlines deal was found by Cheapflights users on 6/12. 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 9/98:30 am
PHX
- SJO
1 stop10h 07m
United Airlines
Sun 9/138:45 am
SJO
- PHX
1 stop13h 23m
United Airlines
Deal found 6/12![United Airlines logo]()
$474
This Southwest deal was found by Cheapflights users on 6/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/73:35 pm
PHX
- SJO
2 stops13h 25m
Southwest
Sat 10/1712:15 pm
SJO
- PHX
2 stops19h 45m
Southwest
Deal found 6/13![Southwest logo]()
$490
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Tue 11/1711:10 pm
PHX
- SJO
2 stops11h 59m
American Airlines
Tue 12/16:22 am
SJO
- PHX
1 stop8h 56m
American Airlines
Deal found 6/14![American Airlines logo]()
$561
This Avianca deal was found by Cheapflights users on 6/14. 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.
Tue 11/1711:30 am
PHX
- SJO
3 stops20h 05m
Multiple Airlines
Tue 12/15:45 am
SJO
- PHX
2 stops20h 19m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$610
This United Airlines deal was found by Cheapflights users on 6/13. 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 10/77:37 pm
PHX
- SJO
1 stop10h 38m
United Airlines
Sat 10/171:25 pm
SJO
- PHX
1 stop8h 35m
United Airlines
Deal found 6/13![United Airlines logo]()
$474
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/48:10 am
PHX
- SJO
2 stops9h 30m
Southwest
Thu 9/101:40 pm
SJO
- PHX
1 stop8h 50m
Southwest
Deal found 6/9![Southwest logo]()
$492
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Thu 7/26:47 pm
PHX
- LIR
1 stop14h 03m
United Airlines
Fri 7/1011:10 am
LIR
- PHX
1 stop10h 32m
United Airlines
Deal found 6/14![United Airlines logo]()
$526
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Fri 7/36:10 am
PHX
- LIR
1 stop7h 15m
United Airlines
Sun 7/123:27 pm
LIR
- PHX
1 stop8h 17m
United Airlines
Deal found 6/14![United Airlines logo]()
$526
This United Airlines deal was found by Cheapflights users on 6/14. 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 7/117:30 pm
PHX
- LIR
2 stops13h 20m
United Airlines
Fri 7/1711:10 am
LIR
- PHX
2 stops11h 49m
United Airlines
Deal found 6/14![United Airlines logo]()
$548
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:55 pm
PHX
- LIR
2 stops16h 15m
United Airlines
Sat 8/291:20 pm
LIR
- PHX
1 stop22h 02m
United Airlines
Deal found 6/10![United Airlines logo]()
$574
This United Airlines deal was found by Cheapflights users on 6/12. 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 11/22:30 pm
PHX
- SJO
2 stops19h 55m
United Airlines
Fri 11/68:45 am
SJO
- PHX
1 stop12h 46m
United Airlines
Deal found 6/12![United Airlines logo]()
$599
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Wed 7/2910:06 am
PHX
- SJO
2 stops23h 05m
United Airlines
Wed 8/58:45 am
SJO
- PHX
1 stop13h 54m
United Airlines
Deal found 6/14![United Airlines logo]()
$599
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/301:31 pm
PHX
- SJO
2 stops21h 50m
United Airlines
Thu 8/68:45 am
SJO
- PHX
1 stop15h 45m
United Airlines
Deal found 6/10![United Airlines logo]()
$599
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Sun 7/197:24 am
PHX
- SJO
1 stop22h 51m
United Airlines
Sun 7/266:00 am
SJO
- PHX
1 stop17h 59m
United Airlines
Deal found 6/11![United Airlines logo]()
$603
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/310:06 am
PHX
- SJO
2 stops23h 05m
United Airlines
Sat 7/1112:30 am
SJO
- PHX
2 stops23h 29m
United Airlines
Deal found 6/10![United Airlines logo]()
$618
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Fri 7/31:16 pm
PHX
- LIR
3 stops24h 09m
United Airlines
Sat 7/113:27 pm
LIR
- PHX
2 stops19h 37m
United Airlines
Deal found 6/14![United Airlines logo]()
$651
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/196:59 pm
PHX
- LIR
2 stops16h 11m
United Airlines
Fri 7/243:27 pm
LIR
- PHX
1 stop7h 58m
United Airlines
Deal found 6/10![United Airlines logo]()
$748
This United Airlines deal was found by Cheapflights users on 6/12. 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 7/216:10 am
PHX
- LIR
1 stop7h 15m
United Airlines
Tue 8/43:27 pm
LIR
- PHX
2 stops24h 15m
United Airlines
Deal found 6/12![United Airlines logo]()
$759
This United Airlines deal was found by Cheapflights users on 6/14. 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 7/257:30 pm
PHX
- LIR
2 stops13h 20m
United Airlines
Mon 8/311:10 am
LIR
- PHX
2 stops11h 49m
United Airlines
Deal found 6/14![United Airlines logo]()
$798
Last-minute flights from Phoenix to Costa RicaDiscover last-minute flight deals from Phoenix to Costa Rica. Data last updated June 15, 2026 and is based on user searches.
Discover last-minute flight deals from Phoenix to Costa Rica. Data last updated June 15, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Fri 7/34:24 pm
PHX
- LIR
1 stop19h 51m
American Airlines
Fri 7/103:40 pm
LIR
- PHX
1 stop16h 10m
American Airlines
Deal found 6/12![American Airlines logo]()
$449
This American Airlines deal was found by Cheapflights users on 6/11. 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 7/34:24 pm
PHX
- LIR
1 stop19h 51m
American Airlines
Sat 7/112:27 pm
LIR
- PHX
1 stop17h 05m
American Airlines
Deal found 6/11![American Airlines logo]()
$485
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/410:00 pm
PHX
- LIR
1 stop14h 15m
American Airlines
Fri 7/102:15 pm
LIR
- PHX
1 stop17h 35m
American Airlines
Deal found 6/10![American Airlines logo]()
$436
This United Airlines deal was found by Cheapflights users on 6/13. 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.
Sat 7/46:00 am
PHX
- LIR
1 stop8h 19m
United Airlines
Wed 7/83:27 pm
LIR
- PHX
2 stops18h 33m
United Airlines
Deal found 6/13![United Airlines logo]()
$441
This American Airlines deal was found by Cheapflights users on 6/13. 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.
Sat 7/410:00 pm
PHX
- LIR
1 stop12h 22m
American Airlines
Wed 7/82:15 pm
LIR
- PHX
1 stop17h 35m
American Airlines
Deal found 6/13![American Airlines logo]()
$486
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 7/87:47 pm
PHX
- SJO
1 stop10h 28m
United Airlines
Fri 7/177:55 am
SJO
- PHX
1 stop10h 45m
United Airlines
Deal found 6/11![United Airlines logo]()
$489
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/87:47 pm
PHX
- SJO
1 stop10h 28m
United Airlines
Tue 7/1412:30 am
SJO
- PHX
1 stop11h 04m
United Airlines
Deal found 6/10![United Airlines logo]()
$500
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/107:09 pm
PHX
- LIR
1 stop17h 18m
American Airlines
Fri 7/173:40 pm
LIR
- PHX
1 stop16h 10m
American Airlines
Deal found 6/10![American Airlines logo]()
$509
This United Airlines deal was found by Cheapflights users on 6/13. 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.
Sat 7/114:25 pm
PHX
- LIR
2 stops16h 25m
United Airlines
Fri 7/171:20 pm
LIR
- PHX
1 stop8h 22m
United Airlines
Deal found 6/13![United Airlines logo]()
$463
This American Airlines deal was found by Cheapflights users on 6/14. 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 7/1111:35 pm
PHX
- LIR
1 stop10h 55m
American Airlines
Fri 7/173:40 pm
LIR
- PHX
1 stop16h 10m
American Airlines
Deal found 6/14![American Airlines logo]()
$473
This United Airlines deal was found by Cheapflights users on 6/13. 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.
Mon 7/133:50 pm
PHX
- LIR
2 stops17h 00m
United Airlines
Thu 7/233:27 pm
LIR
- PHX
1 stop7h 58m
United Airlines
Deal found 6/13![United Airlines logo]()
$495
This American Airlines deal was found by Cheapflights users on 6/13. 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.
Sun 7/266:10 am
PHX
- SJO
1 stop15h 28m
American Airlines
Sat 9/56:00 am
SJO
- PHX
1 stop14h 36m
American Airlines
Deal found 6/13![American Airlines logo]()
$474
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 June 15, 2026.
Search for one-way flight options from Phoenix to Costa Rica. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
This Southwest deal was found by Cheapflights users on 6/12. 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.
Wed 9/96:10 am
PHX
- SJO
1 stop11h 30m
Southwest
Deal found 6/12![Southwest logo]()
$153
This American Airlines deal was found by Cheapflights users on 6/11. 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 9/266:50 pm
PHX
- SJO
2 stops16h 09m
American Airlines
Deal found 6/11![American Airlines logo]()
$158
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:37 pm
PHX
- LIR
2 stops15h 33m
United Airlines
Deal found 6/10![United Airlines logo]()
$183
This Avianca deal was found by Cheapflights users on 6/14. 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.
Wed 9/91:20 pm
PHX
- SJO
2 stops18h 10m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$199
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Sun 9/138:57 am
PHX
- SJO
2 stops26h 24m
United Airlines
Deal found 6/11![United Airlines logo]()
$218
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:00 am
PHX
- LIR
1 stop10h 37m
United Airlines
Deal found 6/10![United Airlines logo]()
$219
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/236:10 am
PHX
- SJO
1 stop15h 29m
United Airlines
Deal found 6/10![United Airlines logo]()
$242
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:30 pm
PHX
- LIR
2 stops16h 20m
Southwest
Deal found 6/10![Southwest logo]()
$245
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:30 am
PHX
- LIR
1 stop26h 40m
United Airlines
Deal found 6/10![United Airlines logo]()
$252
This Southwest deal was found by Cheapflights users on 6/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/285:20 am
PHX
- LIR
1 stop8h 25m
Southwest
Deal found 6/11![Southwest logo]()
$256
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2811:50 pm
PHX
- SJO
1 stop11h 01m
Delta
Deal found 6/10![Delta logo]()
$258
This United Airlines deal was found by Cheapflights users on 6/15. 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.
Sat 6/206:10 am
PHX
- SJO
1 stop15h 29m
United Airlines
Deal found 6/15![United Airlines logo]()
$261
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 June 15, 2026.
Round-trip from | $422 (American Airlines) |
|---|---|
One-way from | $153 (Southwest) |
Popular in | December |
Cheapest in | October |
Average price | $583 |
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 June 15, 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
Wed 9/9
8:30 am-7:37 pm
1 stop10h 07m
San José Juan Santamaria Intl
Sun 9/13
8:45 am-9:08 pm
1 stop13h 23m
$474
PhoenixSan José
PHX - SJO
PHXSJO
Phoenix Sky Harbor Intl
Wed 10/7
7:37 pm-7:15 am
1 stop10h 38m
San José Juan Santamaria Intl
Sat 10/17
1:25 pm-9:00 pm
1 stop8h 35m
$474
PhoenixSan José
PHX - SJO
PHXSJO
Phoenix Sky Harbor Intl
Wed 10/7
3:35 pm-6:00 am
2 stops13h 25m
San José Juan Santamaria Intl
Sat 10/17
12:15 pm-7:00 am
2 stops19h 45m
$490
PhoenixSan José
PHX - SJO
PHXSJO
Phoenix Sky Harbor Intl
Fri 9/4
8:10 am-6:40 pm
2 stops9h 30m
San José Juan Santamaria Intl
Thu 9/10
1:40 pm-9:30 pm
1 stop8h 50m
$492
PhoenixLiberia
PHX - LIR
PHXLIR
Phoenix Sky Harbor Intl
Thu 7/2
6:47 pm-9:50 am
1 stop14h 03m
Liberia
Fri 7/10
11:10 am-8:42 pm
1 stop10h 32m
$526
Quickest round-trip
PhoenixLiberia
PHX - LIR
PHXLIR
Phoenix Sky Harbor Intl
Fri 7/3
6:10 am-2:25 pm
1 stop7h 15m
Liberia
Sun 7/12
3:27 pm-10:44 pm
1 stop8h 17m
$526
PhoenixLiberia
PHX - LIR
PHXLIR
Phoenix Sky Harbor Intl
Sat 7/11
7:30 pm-9:50 am
2 stops13h 20m
Liberia
Fri 7/17
11:10 am-9:59 pm
2 stops11h 49m
$548
PhoenixSan José
PHX - SJO
PHXSJO
Phoenix Sky Harbor Intl
Tue 11/17
11:10 pm-12:09 pm
2 stops11h 59m
San José Juan Santamaria Intl
Tue 12/1
6:22 am-2:18 pm
1 stop8h 56m
$561
PhoenixLiberia
PHX - LIR
PHXLIR
Phoenix Sky Harbor Intl
Sun 8/23
6:55 pm-12:10 pm
2 stops16h 15m
Liberia
Sat 8/29
1:20 pm-10:22 am
1 stop22h 02m
$574
PhoenixSan José
PHX - SJO
PHXSJO
Phoenix Sky Harbor Intl
Mon 11/2
2:30 pm-11:25 am
2 stops19h 55m
San José Juan Santamaria Intl
Fri 11/6
8:45 am-8:31 pm
1 stop12h 46m
$599
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, December is the cheapest month in which you can book a flight from Phoenix to Costa Rica (average of $131). 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.
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 22 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing Costa Rica
Get insights into the airlines that provide service to Costa Rica. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Costa Rica. Reviews last updated June 15, 2026.
See what other customers who have flown with Southwest,United Airlines, andGOL 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.
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
7.9
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
7.9
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
7.9
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
7.9
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
7.9
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
7.9
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
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 June 15, 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 June 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$250 | Average$458 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$325 | Average$581 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$333 | Average$563 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$341 | Average$548 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$354 | Average$617 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$406 | Average$592 | FlexibilityNo cancel fee | On-time74% |