$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 12 — Jul 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 June 12, 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 12, 2026.
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:37 pm
PHX
- LIR
2 stops15h 33m
United Airlines
Thu 9/31:20 pm
LIR
- PHX
1 stop8h 33m
United Airlines
Deal found 6/9![United Airlines logo]()
$417
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 United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/66:10 am
PHX
- LIR
1 stop7h 15m
United Airlines
Fri 7/1011:10 am
LIR
- PHX
1 stop10h 32m
United Airlines
Deal found 6/8![United Airlines logo]()
$436
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 7/411:05 pm
PHX
- LIR
2 stops13h 10m
American Airlines
Fri 7/103:40 pm
LIR
- PHX
1 stop16h 10m
American Airlines
Deal found 6/10![American Airlines logo]()
$441
This BusinessClass deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/812:23 am
PHX
- SJO
2 stops18h 44m
GOL
Wed 9/166:00 am
SJO
- PHX
1 stop16h 42m
GOL
Deal found 6/8![GOL logo]()
$444
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/21:15 pm
PHX
- LIR
1 stop21h 38m
United Airlines
Sat 10/1011:49 am
LIR
- PHX
1 stop11h 10m
United Airlines
Deal found 6/7![United 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 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 Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2610:45 pm
PHX
- SJO
2 stops11h 55m
Southwest
Thu 11/52:10 pm
SJO
- PHX
2 stops10h 45m
Southwest
Deal found 6/7![Southwest logo]()
$452
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3011:52 pm
PHX
- SJO
2 stops35h 30m
GOL
Fri 11/62:39 pm
SJO
- PHX
1 stop10h 07m
GOL
Deal found 6/9![GOL logo]()
$457
This Avianca 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 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 6/9![Multiple Airlines logo]()
$459
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 12, 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 12, 2026.
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:00 am
PHX
- LIR
1 stop8h 19m
United Airlines
Fri 7/103:27 pm
LIR
- PHX
1 stop7h 58m
United Airlines
Deal found 6/7![United Airlines logo]()
$436
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:55 am
PHX
- SJO
1 stop9h 45m
Southwest
Tue 9/11:40 pm
SJO
- PHX
1 stop8h 35m
Southwest
Deal found 6/7![Southwest logo]()
$462
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:10 am
PHX
- LIR
1 stop7h 15m
United Airlines
Tue 7/143:27 pm
LIR
- PHX
2 stops18h 33m
United Airlines
Deal found 6/8![United Airlines logo]()
$441
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/510:45 pm
PHX
- SJO
2 stops11h 55m
Southwest
Sat 10/101:00 pm
SJO
- PHX
2 stops18h 45m
Southwest
Deal found 6/8![Southwest logo]()
$466
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.
Mon 11/28:07 pm
PHX
- SJO
1 stop14h 18m
United Airlines
Fri 11/612:35 pm
SJO
- PHX
1 stop8h 56m
United Airlines
Deal found 6/11![United Airlines logo]()
$468
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:10 am
PHX
- SJO
2 stops10h 30m
Southwest
Tue 8/251:40 pm
SJO
- PHX
1 stop8h 35m
Southwest
Deal found 6/7![Southwest logo]()
$480
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 6/9. 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 6/10. 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 11/29:30 am
PHX
- LIR
1 stop8h 07m
United Airlines
Fri 11/68:35 am
LIR
- PHX
2 stops29h 39m
United Airlines
Deal found 6/10![United Airlines logo]()
$523
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1612:30 am
PHX
- SJO
1 stop11h 45m
Southwest
Tue 12/12:15 pm
SJO
- PHX
2 stops18h 25m
Southwest
Deal found 6/7![Southwest logo]()
$537
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 9/206:55 pm
PHX
- SJO
2 stops16h 26m
United Airlines
Sun 9/277:55 am
SJO
- PHX
1 stop12h 33m
United Airlines
Deal found 6/10![United Airlines logo]()
$536
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/45:00 am
PHX
- SJO
1 stop12h 40m
Southwest
Mon 9/71:40 pm
SJO
- PHX
1 stop8h 50m
Southwest
Deal found 6/7![Southwest logo]()
$586
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/257:30 pm
PHX
- SJO
1 stop10h 45m
United Airlines
Thu 7/3012:30 am
SJO
- PHX
1 stop11h 04m
United Airlines
Deal found 6/7![United Airlines logo]()
$554
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/64:25 pm
PHX
- LIR
2 stops16h 25m
United Airlines
Mon 7/133:27 pm
LIR
- PHX
2 stops19h 39m
United Airlines
Deal found 6/7![United Airlines logo]()
$561
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/34:25 pm
PHX
- LIR
2 stops21h 00m
United Airlines
Sat 7/113:27 pm
LIR
- PHX
2 stops19h 37m
United Airlines
Deal found 6/9![United Airlines logo]()
$561
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:59 pm
PHX
- LIR
1 stop19h 20m
United Airlines
Wed 7/153:27 pm
LIR
- PHX
2 stops19h 39m
United Airlines
Deal found 6/8![United Airlines logo]()
$569
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:25 am
PHX
- SJO
1 stop8h 12m
United Airlines
Tue 9/297:55 am
SJO
- PHX
1 stop14h 05m
United Airlines
Deal found 6/8![United Airlines logo]()
$571
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/117:30 pm
PHX
- LIR
2 stops13h 20m
United Airlines
Sat 7/181:03 pm
LIR
- PHX
2 stops33h 56m
United Airlines
Deal found 6/7![United Airlines logo]()
$633
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/144:12 pm
PHX
- LIR
1 stop16h 38m
United Airlines
Sat 7/184:05 pm
LIR
- PHX
1 stop18h 59m
United Airlines
Deal found 6/8![United Airlines logo]()
$696
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/96:00 am
PHX
- LIR
1 stop8h 19m
United Airlines
Mon 7/1311:10 am
LIR
- PHX
1 stop12h 15m
United Airlines
Deal found 6/9![United Airlines logo]()
$746
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
Last-minute flights from Phoenix to Costa RicaDiscover last-minute flight deals from Phoenix to Costa Rica. Data last updated June 12, 2026 and is based on user searches.
Discover last-minute flight deals from Phoenix to Costa Rica. Data last updated June 12, 2026 and is based on user searches.
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 7/411:05 pm
PHX
- LIR
2 stops13h 10m
American Airlines
Fri 7/103:40 pm
LIR
- PHX
1 stop16h 10m
American Airlines
Deal found 6/10![American Airlines logo]()
$441
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/66:10 am
PHX
- LIR
1 stop7h 15m
United Airlines
Fri 7/1011:10 am
LIR
- PHX
1 stop10h 32m
United Airlines
Deal found 6/8![United Airlines logo]()
$436
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/66:10 am
PHX
- LIR
1 stop7h 15m
United Airlines
Wed 7/153:27 pm
LIR
- PHX
2 stops18h 33m
United Airlines
Deal found 6/8![United Airlines logo]()
$462
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:00 am
PHX
- LIR
1 stop8h 19m
United Airlines
Tue 7/143:27 pm
LIR
- PHX
1 stop20h 07m
United Airlines
Deal found 6/8![United Airlines logo]()
$484
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 United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/87:47 pm
PHX
- SJO
1 stop10h 28m
United Airlines
Wed 7/298:45 am
SJO
- PHX
1 stop10h 54m
United Airlines
Deal found 6/8![United Airlines logo]()
$509
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 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 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 6/11![American Airlines logo]()
$473
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1310:48 pm
PHX
- LIR
1 stop11h 42m
American Airlines
Mon 7/202:15 pm
LIR
- PHX
1 stop18h 19m
American Airlines
Deal found 6/10![American Airlines logo]()
$490
This American Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/265:10 am
PHX
- SJO
1 stop16h 28m
American Airlines
Sat 9/52:53 pm
SJO
- PHX
2 stops19h 35m
American Airlines
Deal found 6/8![American Airlines logo]()
$494
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 12, 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 12, 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 United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:07 pm
PHX
- SJO
1 stop16h 08m
United Airlines
Deal found 6/9![United Airlines logo]()
$213
This American Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/75:05 am
PHX
- SJO
2 stops13h 48m
American Airlines
Deal found 6/9![American Airlines logo]()
$216
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 6/8. 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 10/136:52 pm
PHX
- LIR
1 stop16h 18m
United Airlines
Deal found 6/8![United Airlines logo]()
$223
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 8/78:10 am
PHX
- SJO
2 stops9h 30m
Southwest
Deal found 6/9![Southwest logo]()
$226
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
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 12, 2026.
Round-trip from | $417 (United Airlines) |
|---|---|
One-way from | $153 (Southwest) |
Popular in | December |
Cheapest in | October |
Average price | $584 |
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 12, 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
Quickest round-trip
PhoenixLiberia
PHX - LIR
PHXLIR
Phoenix Sky Harbor Intl
Sat 7/4
6:00 am-3:19 pm
1 stop8h 19m
Liberia
Fri 7/10
3:27 pm-10:25 pm
1 stop7h 58m
$436
PhoenixLiberia
PHX - LIR
PHXLIR
Phoenix Sky Harbor Intl
Tue 7/7
6:10 am-2:25 pm
1 stop7h 15m
Liberia
Tue 7/14
3:27 pm-9:00 am
2 stops18h 33m
$441
PhoenixSan José
PHX - SJO
PHXSJO
Phoenix Sky Harbor Intl
Thu 8/27
7:55 am-6:40 pm
1 stop9h 45m
San José Juan Santamaria Intl
Tue 9/1
1:40 pm-9:15 pm
1 stop8h 35m
$462
PhoenixSan José
PHX - SJO
PHXSJO
Phoenix Sky Harbor Intl
Mon 10/5
10:45 pm-11:40 am
2 stops11h 55m
San José Juan Santamaria Intl
Sat 10/10
1:00 pm-6:45 am
2 stops18h 45m
$466
PhoenixSan José
PHX - SJO
PHXSJO
Phoenix Sky Harbor Intl
Mon 11/2
8:07 pm-11:25 am
1 stop14h 18m
San José Juan Santamaria Intl
Fri 11/6
12:35 pm-8:31 pm
1 stop8h 56m
$468
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
Thu 8/20
7:10 am-6:40 pm
2 stops10h 30m
San José Juan Santamaria Intl
Tue 8/25
1:40 pm-9:15 pm
1 stop8h 35m
$480
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
Mon 11/2
9:30 am-6:37 pm
1 stop8h 07m
Liberia
Fri 11/6
8:35 am-1:14 pm
2 stops29h 39m
$523
PhoenixSan José
PHX - SJO
PHXSJO
Phoenix Sky Harbor Intl
Sun 9/20
6:55 pm-12:21 pm
2 stops16h 26m
San José Juan Santamaria Intl
Sun 9/27
7:55 am-7:28 pm
1 stop12h 33m
$536
Showing 1-10 of 39 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 12, 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
Food
7.0
Crew
8.6
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Overall
7.9
Boarding
8.1
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Phoenix to Costa Rica
See prices for flight routes from nearby airports that may be better suited for you.
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 12, 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 12, 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% |