$172+ Cheap flights from Sky Harbor Intl (PHX) to Costa Rica
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/26. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SJO
May 29 — Jun 51
Round-trip
1 adult, Economy
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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 Sky Harbor Intl to Costa RicaExplore the most affordable flight options available from Sky Harbor Intl to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2026.
Explore the most affordable flight options available from Sky Harbor Intl to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2026.
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 8/246:59 pm
PHX
- LIR
2 stops16h 11m
United Airlines
Thu 9/31:20 pm
LIR
- PHX
1 stop8h 25m
United Airlines
Deal found 4/28![United Airlines logo]()
$398
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 9/197:00 pm
PHX
- LIR
1 stop17h 45m
American Airlines
Tue 9/291:10 pm
LIR
- PHX
2 stops20h 56m
American Airlines
Deal found 4/28![American Airlines logo]()
$403
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 7/198:21 pm
PHX
- LIR
1 stop17h 19m
American Airlines
Thu 7/233:40 pm
LIR
- PHX
1 stop16h 10m
American Airlines
Deal found 4/28![American Airlines logo]()
$408
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 12/253:10 pm
LIR
- PHX
1 stop8h 32m
American Airlines
Deal found 4/28![American Airlines logo]()
$436
This Priceline deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:30 am
PHX
- SJO
2 stops24h 49m
Frontier
Sun 5/319:35 am
SJO
- PHX
2 stops38h 54m
Frontier
Deal found 4/26![Frontier logo]()
$439
This American Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1310:00 pm
PHX
- SJO
1 stop14h 04m
American Airlines
Thu 5/212:09 pm
SJO
- PHX
1 stop17h 31m
American Airlines
Deal found 4/26![American Airlines logo]()
$441
This Orbitz deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
Fri 6/2612:35 am
PHX
- SJO
1 stop30h 45m
Frontier
Sat 7/259:35 am
SJO
- PHX
1 stop25h 39m
Frontier
Deal found 4/28![Frontier logo]()
$443
This BusinessClass deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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 8/106:55 pm
PHX
- SJO
2 stops17h 57m
GOL
Mon 8/171:29 pm
SJO
- PHX
1 stop22h 54m
GOL
Deal found 4/26![GOL logo]()
$444
This United Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 9/97:38 pm
PHX
- LIR
2 stops15h 32m
United Airlines
Thu 9/171:20 pm
LIR
- PHX
1 stop22h 02m
United Airlines
Deal found 4/24![United Airlines logo]()
$446
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/69:21 am
PHX
- SJO
2 stops11h 15m
American Airlines
Wed 5/206:30 am
SJO
- PHX
1 stop18h 29m
American Airlines
Deal found 4/28![American Airlines logo]()
$446
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/312:30 am
PHX
- SJO
1 stop12h 32m
American Airlines
Fri 12/116:20 am
SJO
- PHX
1 stop12h 51m
American Airlines
Deal found 4/28![American Airlines logo]()
$450
This United Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:38 pm
PHX
- SJO
1 stop10h 37m
United Airlines
Tue 5/57:55 am
SJO
- PHX
1 stop11h 11m
United Airlines
Deal found 4/24![United Airlines logo]()
$451
Best flights from Sky Harbor Intl to Costa RicaDiscover carefully curated flight deals from Sky Harbor Intl to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2026.
Discover carefully curated flight deals from Sky Harbor Intl to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2026.
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 8/2412:20 pm
PHX
- LIR
1 stop22h 50m
United Airlines
Thu 9/31:20 pm
LIR
- PHX
1 stop8h 25m
United Airlines
Deal found 4/28![United Airlines logo]()
$407
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 10/29:40 pm
PHX
- SJO
2 stops12h 40m
Southwest
Sat 10/1012:15 pm
SJO
- PHX
1 stop9h 15m
Southwest
Deal found 4/28![Southwest logo]()
$571
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
Sat 8/1511:55 pm
PHX
- SJO
1 stop11h 01m
Delta
Wed 8/191:21 pm
SJO
- PHX
1 stop10h 26m
Delta
Deal found 4/28![Delta logo]()
$608
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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 10/256:00 am
PHX
- LIR
2 stops10h 37m
United Airlines
Sat 10/317:35 am
LIR
- PHX
2 stops12h 07m
United Airlines
Deal found 4/26![United Airlines logo]()
$495
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 8/316:00 am
PHX
- SJO
1 stop13h 19m
United Airlines
Sun 9/68:45 am
SJO
- PHX
1 stop13h 21m
United Airlines
Deal found 4/28![United Airlines logo]()
$542
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 6/76:10 am
PHX
- SJO
1 stop15h 29m
United Airlines
Thu 6/1112:30 am
SJO
- PHX
1 stop18h 10m
United Airlines
Deal found 4/28![United Airlines logo]()
$546
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 9/88:44 am
PHX
- SJO
2 stops26h 37m
United Airlines
Mon 9/217:55 am
SJO
- PHX
1 stop10h 50m
United Airlines
Deal found 4/28![United Airlines logo]()
$551
This United Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 4/24![United Airlines logo]()
$554
This United Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” 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 8/258:30 am
PHX
- SJO
1 stop10h 07m
United Airlines
Thu 8/278:45 am
SJO
- PHX
1 stop15h 14m
United Airlines
Deal found 4/25![United Airlines logo]()
$561
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 8/157:38 pm
PHX
- SJO
1 stop10h 37m
United Airlines
Mon 8/248:45 am
SJO
- PHX
1 stop15h 14m
United Airlines
Deal found 4/28![United Airlines logo]()
$615
This United Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 5/133:45 pm
PHX
- SJO
1 stop14h 30m
United Airlines
Sun 5/176:00 am
SJO
- PHX
1 stop16h 32m
United Airlines
Deal found 4/24![United Airlines logo]()
$615
This United Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 6/36:54 pm
PHX
- SJO
2 stops26h 45m
United Airlines
Sun 6/712:30 am
SJO
- PHX
2 stops22h 09m
United Airlines
Deal found 4/24![United Airlines logo]()
$620
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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 7/201:16 pm
PHX
- LIR
2 stops19h 34m
United Airlines
Thu 7/303:27 pm
LIR
- PHX
2 stops19h 43m
United Airlines
Deal found 4/26![United Airlines logo]()
$641
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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 5/104:39 pm
PHX
- LIR
2 stops20h 46m
United Airlines
Wed 5/131:20 pm
LIR
- PHX
2 stops22h 28m
United Airlines
Deal found 4/26![United Airlines logo]()
$741
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 6/76:00 am
PHX
- LIR
2 stops26h 50m
United Airlines
Fri 6/1211:10 am
LIR
- PHX
2 stops24h 00m
United Airlines
Deal found 4/27![United Airlines logo]()
$778
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 6/14:12 pm
PHX
- LIR
1 stop16h 38m
United Airlines
Fri 6/121:20 pm
LIR
- PHX
1 stop8h 22m
United Airlines
Deal found 4/27![United Airlines logo]()
$792
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/226:47 pm
PHX
- LIR
1 stop14h 03m
United Airlines
Sat 5/308:30 am
LIR
- PHX
1 stop16h 13m
United Airlines
Deal found 4/28![United Airlines logo]()
$792
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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 6/21:16 pm
PHX
- LIR
2 stops19h 34m
United Airlines
Thu 6/1111:49 am
LIR
- PHX
1 stop11h 10m
United Airlines
Deal found 4/26![United Airlines logo]()
$851
Last-minute flights from Sky Harbor Intl to Costa RicaDiscover last-minute flight deals from Sky Harbor Intl to Costa Rica. Data last updated April 29, 2026 and is based on user searches.
Discover last-minute flight deals from Sky Harbor Intl to Costa Rica. Data last updated April 29, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2811:55 pm
PHX
- SJO
1 stop11h 15m
Southwest
Tue 5/51:10 pm
SJO
- PHX
1 stop9h 20m
Southwest
Deal found 4/27![Southwest logo]()
$453
This American Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 4/2810:17 pm
PHX
- SJO
2 stops11h 50m
American Airlines
Tue 5/512:35 pm
SJO
- PHX
1 stop11h 27m
American Airlines
Deal found 4/27![American Airlines logo]()
$467
This United Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:38 pm
PHX
- SJO
1 stop10h 37m
United Airlines
Tue 5/57:55 am
SJO
- PHX
1 stop11h 11m
United Airlines
Deal found 4/24![United Airlines logo]()
$451
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/611:35 pm
SJO
- PHX
1 stop10h 50m
American Airlines
Deal found 4/28![American Airlines logo]()
$456
This Southwest deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 5/67:45 am
PHX
- SJO
1 stop10h 15m
Southwest
Thu 5/289:00 am
SJO
- PHX
2 stops13h 25m
Southwest
Deal found 4/27![Southwest logo]()
$443
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/69:21 am
PHX
- SJO
2 stops11h 15m
American Airlines
Wed 5/206:30 am
SJO
- PHX
1 stop18h 29m
American Airlines
Deal found 4/28![American Airlines logo]()
$446
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/87:15 am
PHX
- SJO
2 stops10h 52m
American Airlines
Wed 5/1312:10 pm
SJO
- PHX
1 stop10h 54m
American Airlines
Deal found 4/28![American Airlines logo]()
$461
This American Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1310:00 pm
PHX
- SJO
1 stop14h 04m
American Airlines
Thu 5/212:09 pm
SJO
- PHX
1 stop17h 31m
American Airlines
Deal found 4/26![American Airlines logo]()
$441
This American Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” 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 stop8h 47m
American Airlines
Deal found 4/25![American Airlines logo]()
$473
This American Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” 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 5/1711:52 pm
PHX
- LIR
1 stop10h 32m
American Airlines
Sun 5/243:37 pm
LIR
- PHX
1 stop18h 28m
American Airlines
Deal found 4/24![American Airlines logo]()
$458
This Priceline deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:30 am
PHX
- SJO
2 stops24h 49m
Frontier
Sun 5/319:35 am
SJO
- PHX
2 stops38h 54m
Frontier
Deal found 4/26![Frontier logo]()
$439
This American Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” 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 5/305:10 am
PHX
- SJO
1 stop16h 32m
American Airlines
Sun 6/1411:59 pm
SJO
- PHX
1 stop19h 28m
American Airlines
Deal found 4/25![American Airlines logo]()
$465
One-way flights from Sky Harbor Intl to Costa RicaSearch for one-way flight options from Sky Harbor Intl to Costa Rica. Find affordable one-way fares based on user searches. Data last updated April 29, 2026.
Search for one-way flight options from Sky Harbor Intl to Costa Rica. Find affordable one-way fares based on user searches. Data last updated April 29, 2026.
This FlightHub deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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.
Fri 6/2612:35 am
PHX
- SJO
1 stop30h 45m
Frontier
Deal found 4/27![Frontier logo]()
$172
This FlightHub deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
Tue 5/2612:20 am
PHX
- SJO
1 stop30h 59m
Frontier
Deal found 4/28![Frontier logo]()
$178
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 8/1611:33 pm
PHX
- SJO
1 stop11h 53m
American Airlines
Deal found 4/28![American Airlines logo]()
$179
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 8/2312:30 am
PHX
- LIR
2 stops11h 41m
American Airlines
Deal found 4/28![American Airlines logo]()
$183
This American Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 8/1711:33 pm
PHX
- SJO
2 stops11h 01m
American Airlines
Deal found 4/27![American Airlines logo]()
$187
This American Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 9/77:00 pm
PHX
- SJO
1 stop17h 52m
American Airlines
Deal found 4/27![American Airlines logo]()
$192
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/256:47 pm
PHX
- LIR
1 stop14h 03m
United Airlines
Deal found 4/28![United Airlines logo]()
$194
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 8/258:30 am
PHX
- LIR
1 stop26h 40m
United Airlines
Deal found 4/28![United Airlines logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
Tue 5/2610:27 pm
PHX
- SJO
2 stops32h 52m
Frontier
Deal found 4/28![Frontier logo]()
$199
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/99:05 am
PHX
- SJO
2 stops11h 31m
American Airlines
Deal found 4/28![American Airlines logo]()
$207
This BusinessClass deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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.
Thu 5/146:02 am
PHX
- SJO
2 stops12h 05m
GOL
Deal found 4/27![GOL logo]()
$209
This Mytrip deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:34 am
PHX
- SJO
1 stop13h 25m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$216
Find flight deals from Sky Harbor Intl to Costa Rica
Keep the following information in mind while searching for Sky Harbor Intl to Costa Rica flight deals. Data was last updated April 29, 2026.
Round-trip from | $408 (American Airlines) |
|---|---|
One-way from | $172 (FlightHub) |
Popular in | December |
Cheapest in | September |
Average price | $537 |
Cheapflights Fare Finder
Customize your flight search to find flights from Sky Harbor Intl to Costa Rica that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 29, 2026.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Costa Rica that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhoenixLiberia
PHX - LIR
PHXLIR
Phoenix Sky Harbor Intl
Mon 8/24
12:20 pm-12:10 pm
1 stop22h 50m
Liberia
Thu 9/3
1:20 pm-8:45 pm
1 stop8h 25m
$407
PhoenixLiberia
PHX - LIR
PHXLIR
Phoenix Sky Harbor Intl
Sun 10/25
6:00 am-5:37 pm
2 stops10h 37m
Liberia
Sat 10/31
7:35 am-6:42 pm
2 stops12h 07m
$495
PhoenixSan José
PHX - SJO
PHXSJO
Phoenix Sky Harbor Intl
Mon 8/31
6:00 am-8:19 pm
1 stop13h 19m
San José Juan Santamaria Intl
Sun 9/6
8:45 am-9:06 pm
1 stop13h 21m
$542
PhoenixSan José
PHX - SJO
PHXSJO
Phoenix Sky Harbor Intl
Sun 6/7
6:10 am-10:39 pm
1 stop15h 29m
San José Juan Santamaria Intl
Thu 6/11
12:30 am-5:40 pm
1 stop18h 10m
$546
PhoenixSan José
PHX - SJO
PHXSJO
Phoenix Sky Harbor Intl
Tue 9/8
8:44 am-12:21 pm
2 stops26h 37m
San José Juan Santamaria Intl
Mon 9/21
7:55 am-5:45 pm
1 stop10h 50m
$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
Tue 8/25
8:30 am-7:37 pm
1 stop10h 07m
San José Juan Santamaria Intl
Thu 8/27
8:45 am-10:59 pm
1 stop15h 14m
$561
PhoenixSan José
PHX - SJO
PHXSJO
Phoenix Sky Harbor Intl
Fri 10/2
9:40 pm-11:20 am
2 stops12h 40m
San José Juan Santamaria Intl
Sat 10/10
12:15 pm-8:30 pm
1 stop9h 15m
$571
Quickest round-trip
PhoenixSan José
PHX - SJO
PHXSJO
Phoenix Sky Harbor Intl
Sat 8/15
11:55 pm-11:56 am
1 stop11h 01m
San José Juan Santamaria Intl
Wed 8/19
1:21 pm-10:47 pm
1 stop10h 26m
$608
PhoenixSan José
PHX - SJO
PHXSJO
Phoenix Sky Harbor Intl
Sat 8/15
7:38 pm-7:15 am
1 stop10h 37m
San José Juan Santamaria Intl
Mon 8/24
8:45 am-10:59 pm
1 stop15h 14m
$615
Showing 1-10 of 35 resultsSorted by cheapest first
Best time to book a flight from Sky Harbor Intl to Costa Rica
Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Sky Harbor Intl with our price prediction graph.
PHX-LIR
PHX-SJO
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Phoenix Sky Harbor Intl Airport to Costa Rica
PHX-CR0
PHX-LIR
PHX-SJO
How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to Costa Rica?
To ensure you get the cheapest price possible for a flight from Phoenix Sky Harbor Intl Airport to Costa Rica, you should look to book at least 68 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Costa Rica?
Currently, September is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Costa Rica (average of $164). Flying from Phoenix Sky Harbor Intl Airport 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 29, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Phoenix Sky Harbor Intl Airport to Costa Rica. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Sky Harbor Intl to Costa Rica. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
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Sky Harbor Intl and Costa Rica flights
Browse other Sky Harbor Intl and Costa Rica flight options. Last updated on April 29, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from Sky Harbor Intl to Costa Rica
Discover the top 6 airlines that operate flights from Sky Harbor Intl to Costa Rica. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$131 | Average$393 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$325 | Average$589 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$326 | Average$592 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$333 | Average$546 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$338 | Average$548 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$354 | Average$585 | FlexibilityNo cancel fee | On-time63% |