$194+ 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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SJO
Oct 2 — Oct 91
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Sky Harbor Intl to Costa Rica with Cheapflights
1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Sky Harbor Intl to Costa Rica
Cheapest
Best
Last-minute
One-way
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 September 2, 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 September 2, 2026.
This Frontier deal was found by Cheapflights users on 8/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1610:12 pm -
1 stop9h 18m
Sat 10/249:45 am -
1 stop11h 57m
Deal found 8/28![Frontier logo]()
$330
This American Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 11/1512:20 am -
1 stop12h 57m
Tue 11/243:23 pm -
1 stop10h 23m
Deal found 9/1![American Airlines logo]()
$384
This American Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 10/2610:01 pm -
1 stop12h 59m
Tue 11/33:54 pm -
1 stop19h 27m
Deal found 8/30![American Airlines logo]()
$390
This American Airlines deal was found by Cheapflights users on 8/27. 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.
Thu 9/2412:23 am -
2 stops12h 24m
Sun 9/272:18 pm -
1 stop18h 35m
Deal found 8/27![American Airlines logo]()
$394
This American Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/2010:01 pm -
1 stop21h 20m
Wed 10/283:01 pm -
1 stop9h 54m
Deal found 8/31![American Airlines logo]()
$401
This American Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 10/2010:01 pm -
1 stop21h 20m
Tue 10/276:00 am -
2 stops17h 09m
Deal found 9/1![American Airlines logo]()
$406
This American Airlines deal was found by Cheapflights users on 8/28. 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 11/145:50 pm -
1 stop17h 43m
Sat 11/212:48 pm -
1 stop18h 26m
Deal found 8/28![American Airlines logo]()
$414
This BusinessClass deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 10/111:29 pm -
2 stops13h 18m
Thu 10/82:44 pm -
2 stops17h 53m
Deal found 9/1![GOL logo]()
$416
This Southwest deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 11/37:35 pm -
2 stops15h 45m
Wed 11/182:15 pm -
2 stops18h 25m
Deal found 8/30![Southwest logo]()
$420
This United Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 10/157:40 pm -
1 stop10h 35m
Sat 10/248:45 am -
1 stop10h 50m
Deal found 8/29![United Airlines logo]()
$422
This BusinessClass deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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.
Fri 9/257:00 pm -
2 stops17h 47m
Sun 9/272:18 pm -
2 stops17h 27m
Deal found 8/29![GOL logo]()
$426
This BusinessClass deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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.
Sun 10/2511:33 pm -
2 stops13h 27m
Sun 11/82:07 pm -
1 stop11h 56m
Deal found 9/1![GOL logo]()
$427
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 September 2, 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 September 2, 2026.
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Thu 10/156:00 am -
1 stop12h 37m
Thu 10/221:25 pm -
1 stop8h 35m
Deal found 8/28![United Airlines logo]()
$430
This Southwest deal was found by Cheapflights users on 8/28. 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.
Mon 11/29:55 pm -
2 stops14h 55m
Fri 11/62:45 pm -
1 stop10h 45m
Deal found 8/28![Southwest logo]()
$451
This American Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 10/16:50 pm -
1 stop18h 07m
Tue 10/61:00 pm -
1 stop20h 04m
Deal found 9/1![American Airlines logo]()
$511
This United Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 11/98:37 pm -
1 stop10h 55m
Wed 12/29:40 am -
1 stop10h 51m
Deal found 9/1![United Airlines logo]()
$468
This Southwest deal was found by Cheapflights users on 8/28. 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.
Thu 10/158:50 am -
2 stops9h 50m
Thu 10/229:00 am -
1 stop13h 15m
Deal found 8/28![Southwest logo]()
$483
This Southwest deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 10/169:00 am -
2 stops9h 40m
Fri 10/231:30 pm -
1 stop10h 50m
Deal found 9/1![Southwest logo]()
$486
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 11/277:53 pm -
1 stop16h 17m
Mon 12/712:50 pm -
1 stop9h 57m
Deal found 8/31![United Airlines logo]()
$504
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 10/163:30 pm -
2 stops19h 40m
Thu 10/221:20 pm -
1 stop8h 40m
Deal found 8/30![United Airlines logo]()
$509
This Southwest deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 11/912:30 am -
1 stop11h 45m
Sun 11/151:20 pm -
1 stop12h 25m
Deal found 8/29![Southwest logo]()
$512
This United Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 10/310:46 am -
1 stop19h 29m
Fri 10/98:45 am -
1 stop15h 30m
Deal found 9/1![United Airlines logo]()
$510
This Southwest deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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.
Sun 10/2511:50 pm -
2 stops11h 45m
Sun 11/81:20 pm -
2 stops11h 15m
Deal found 9/1![Southwest logo]()
$536
This United Airlines deal was found by Cheapflights users on 8/28. 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 11/237:37 pm -
2 stops24h 02m
Fri 12/48:45 am -
2 stops13h 40m
Deal found 8/28![United Airlines logo]()
$515
This Southwest deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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.
Sun 10/2511:50 pm -
2 stops11h 45m
Sun 11/12:10 pm -
2 stops11h 20m
Deal found 8/30![Southwest logo]()
$541
This United Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 11/261:29 pm -
1 stop20h 56m
Tue 12/158:45 am -
1 stop8h 52m
Deal found 8/29![United Airlines logo]()
$521
This Southwest deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 11/309:45 pm -
2 stops13h 35m
Mon 12/72:15 pm -
2 stops18h 35m
Deal found 8/31![Southwest logo]()
$552
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 10/156:43 pm -
2 stops16h 27m
Thu 10/221:20 pm -
2 stops20h 47m
Deal found 8/30![United Airlines logo]()
$531
This Southwest deal was found by Cheapflights users on 8/27. 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.
Fri 9/256:10 pm -
2 stops17h 35m
Sun 9/272:10 pm -
2 stops18h 25m
Deal found 8/27![Southwest logo]()
$566
This United Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 11/307:53 pm -
1 stop16h 17m
Mon 12/712:50 pm -
1 stop9h 57m
Deal found 9/1![United Airlines logo]()
$565
This Southwest deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 10/1610:00 pm -
2 stops13h 45m
Sat 10/241:45 pm -
2 stops18h 15m
Deal found 8/29![Southwest logo]()
$589
This Southwest deal was found by Cheapflights users on 8/28. 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 11/610:55 pm -
2 stops12h 10m
Sun 11/152:45 pm -
2 stops10h 45m
Deal found 8/28![Southwest logo]()
$627
Last-minute flights from Sky Harbor Intl to Costa RicaDiscover last-minute flight deals from Sky Harbor Intl to Costa Rica. Data last updated September 2, 2026 and is based on user searches.
Discover last-minute flight deals from Sky Harbor Intl to Costa Rica. Data last updated September 2, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/27. 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.
Thu 9/2412:23 am -
2 stops12h 24m
Sun 9/272:18 pm -
1 stop18h 35m
Deal found 8/27![American Airlines logo]()
$394
This BusinessClass deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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.
Fri 9/257:00 pm -
2 stops17h 47m
Sun 9/272:18 pm -
2 stops17h 27m
Deal found 8/29![GOL logo]()
$426
This BusinessClass deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 10/111:29 pm -
2 stops13h 18m
Thu 10/82:44 pm -
2 stops17h 53m
Deal found 9/1![GOL logo]()
$416
This American Airlines deal was found by Cheapflights users on 8/28. 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 10/155:00 am -
1 stop7h 43m
Thu 10/222:44 pm -
1 stop10h 11m
Deal found 8/28![American Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 10/157:40 pm -
1 stop10h 35m
Sat 10/248:45 am -
1 stop10h 50m
Deal found 8/29![United Airlines logo]()
$422
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Thu 10/156:00 am -
1 stop12h 37m
Thu 10/221:25 pm -
1 stop8h 35m
Deal found 8/28![United Airlines logo]()
$430
This Frontier deal was found by Cheapflights users on 8/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1610:12 pm -
1 stop9h 18m
Sat 10/249:45 am -
1 stop11h 57m
Deal found 8/28![Frontier logo]()
$330
This American Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/2010:01 pm -
1 stop21h 20m
Wed 10/283:01 pm -
1 stop9h 54m
Deal found 8/31![American Airlines logo]()
$401
This American Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 10/2010:01 pm -
1 stop21h 20m
Tue 10/276:00 am -
2 stops17h 09m
Deal found 9/1![American Airlines logo]()
$406
This BusinessClass deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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.
Sun 10/2511:33 pm -
2 stops13h 27m
Sun 11/82:07 pm -
1 stop11h 56m
Deal found 9/1![GOL logo]()
$427
This American Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/264:39 pm -
1 stop18h 21m
Tue 11/32:07 pm -
1 stop20h 59m
Deal found 8/31![American Airlines logo]()
$390
This Southwest deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 10/269:00 am -
2 stops9h 40m
Thu 11/51:20 pm -
2 stops11h 15m
Deal found 8/30![Southwest logo]()
$420
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 September 2, 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 September 2, 2026.
This Southwest deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 11/76:20 pm -
2 stops18h 30m
Deal found 8/31![Southwest logo]()
$194
This FlightHub deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 11/39:34 am -
1 stop13h 25m
Deal found 8/31![Multiple Airlines logo]()
$196
This FlightHub deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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.
Thu 9/179:34 am -
1 stop13h 25m
Deal found 9/1![Multiple Airlines logo]()
$213
This Southwest deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 11/106:00 am -
1 stop6h 50m
Deal found 8/31![Southwest logo]()
$216
This Southwest deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” 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 10/247:05 am -
2 stops11h 35m
Deal found 8/30![Southwest logo]()
$219
This Southwest deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 11/36:20 pm -
2 stops17h 00m
Deal found 8/31![Southwest logo]()
$224
This American Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 11/1612:20 am -
2 stops13h 29m
Deal found 8/31![American Airlines logo]()
$226
This Volaris deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Volaris is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:34 am -
1 stop13h 25m
Deal found 8/30![Multiple Airlines logo]()
$236
This Southwest deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 9/287:10 am -
2 stops10h 35m
Deal found 8/31![Southwest logo]()
$249
This Southwest deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” 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 9/258:55 pm -
2 stops14h 50m
Deal found 8/29![Southwest logo]()
$253
This Southwest deal was found by Cheapflights users on 8/28. 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.
Tue 9/1511:05 pm -
1 stop12h 40m
Deal found 8/28![Southwest logo]()
$266
This Southwest deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/510:55 pm -
1 stop12h 10m
Deal found 8/31![Southwest logo]()
$284
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 September 2, 2026.
Round-trip from | $330 (Orbitz) |
|---|---|
One-way from | $194 (Southwest) |
Popular in | August |
Cheapest in | November |
Average price | $515 |
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 7,457,451 searches. Data last updated September 2, 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
PhoenixSan José
PHX Phoenix Sky Harbor Intl - SJO San José Juan Santamaria Intl
PHXSJO
Phoenix Sky Harbor Intl
Thu 10/15
6:00 am-7:37 pm
1 stop12h 37m
San José Juan Santamaria Intl
Thu 10/22
1:25 pm-9:00 pm
1 stop8h 35m
$430
PhoenixLiberia
PHX Phoenix Sky Harbor Intl - LIR Liberia
PHXLIR
Phoenix Sky Harbor Intl
Mon 11/2
9:55 pm-1:50 pm
2 stops14h 55m
Liberia
Fri 11/6
2:45 pm-12:30 am
1 stop10h 45m
$451
PhoenixSan José
PHX Phoenix Sky Harbor Intl - SJO San José Juan Santamaria Intl
PHXSJO
Phoenix Sky Harbor Intl
Mon 11/9
8:37 pm-8:32 am
1 stop10h 55m
San José Juan Santamaria Intl
Wed 12/2
9:40 am-7:31 pm
1 stop10h 51m
$468
PhoenixSan José
PHX Phoenix Sky Harbor Intl - SJO San José Juan Santamaria Intl
PHXSJO
Phoenix Sky Harbor Intl
Thu 10/15
8:50 am-7:40 pm
2 stops9h 50m
San José Juan Santamaria Intl
Thu 10/22
9:00 am-9:15 pm
1 stop13h 15m
$483
Quickest round-trip
PhoenixSan José
PHX Phoenix Sky Harbor Intl - SJO San José Juan Santamaria Intl
PHXSJO
Phoenix Sky Harbor Intl
Fri 10/16
9:00 am-7:40 pm
2 stops9h 40m
San José Juan Santamaria Intl
Fri 10/23
1:30 pm-11:20 pm
1 stop10h 50m
$486
PhoenixLiberia
PHX Phoenix Sky Harbor Intl - LIR Liberia
PHXLIR
Phoenix Sky Harbor Intl
Fri 11/27
7:53 pm-1:10 pm
1 stop16h 17m
Liberia
Mon 12/7
12:50 pm-9:47 pm
1 stop9h 57m
$504
PhoenixLiberia
PHX Phoenix Sky Harbor Intl - LIR Liberia
PHXLIR
Phoenix Sky Harbor Intl
Fri 10/16
3:30 pm-12:10 pm
2 stops19h 40m
Liberia
Thu 10/22
1:20 pm-9:00 pm
1 stop8h 40m
$509
PhoenixSan José
PHX Phoenix Sky Harbor Intl - SJO San José Juan Santamaria Intl
PHXSJO
Phoenix Sky Harbor Intl
Sat 10/3
10:46 am-7:15 am
1 stop19h 29m
San José Juan Santamaria Intl
Fri 10/9
8:45 am-11:15 pm
1 stop15h 30m
$510
PhoenixSan José
PHX Phoenix Sky Harbor Intl - SJO San José Juan Santamaria Intl
PHXSJO
Phoenix Sky Harbor Intl
Thu 10/1
6:50 pm-1:57 pm
1 stop18h 07m
San José Juan Santamaria Intl
Tue 10/6
1:00 pm-8:04 am
1 stop20h 04m
$511
PhoenixSan José
PHX Phoenix Sky Harbor Intl - SJO San José Juan Santamaria Intl
PHXSJO
Phoenix Sky Harbor Intl
Mon 11/9
12:30 am-1:15 pm
1 stop11h 45m
San José Juan Santamaria Intl
Sun 11/15
1:20 pm-12:45 am
1 stop12h 25m
$512
Showing 1-10 of 36 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-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 Sky Harbor Intl Airport to Costa Rica
PHX-CR0
PHX-SJO
PHX-LIR
What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Costa Rica?
Currently, October is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Costa Rica (average of $483). Flying from Phoenix Sky Harbor Intl Airport to Costa Rica in August is currently the most expensive (average of $714). 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 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 11 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.
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 September 2, 2026.
Read reviews from past customers who have flown Southwest,United Airlines, andGOL 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.
Comfort
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Comfort
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Comfort
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Comfort
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Comfort
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Comfort
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
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.
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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Alternative routes for Sky Harbor Intl 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 Sky Harbor Intl to Costa Rica by cabin class
Find flights from Sky Harbor Intl to Costa Rica, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Sky Harbor Intl and Costa Rica flights
Browse other Sky Harbor Intl and Costa Rica flight options. Last updated on September 2, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Sky Harbor Intl to Costa Rica
Discover the top 5 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 7,457,451 searches. Data last updated September 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$250 | Average$492 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$346 | Average$552 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$353 | Average$571 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$377 | Average$642 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$406 | Average$595 | FlexibilityNo cancel fee | On-time74% |