$154+ 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SJO
Sep 5 — Sep 121
Round-trip
1 adult, Economy
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Find cheap flights from Phoenix 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 Phoenix to Costa Rica
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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 August 6, 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 August 6, 2026.
This United Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 9/256:43 pm -
2 stops16h 27m
Thu 10/11:20 pm -
1 stop8h 40m
Deal found 8/5![United Airlines logo]()
$344
This Southwest deal was found by Cheapflights users on 8/1. 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.
Sat 9/195:00 am -
1 stop6h 45m
Sat 9/261:40 pm -
1 stop7h 55m
Deal found 8/1![Southwest logo]()
$345
This United Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 10/3110:35 am -
1 stop7h 02m
Wed 11/42:20 pm -
2 stops20h 46m
Deal found 8/5![United Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 10/248:30 am -
1 stop10h 07m
Fri 10/3011:35 am -
1 stop10h 40m
Deal found 8/4![United Airlines logo]()
$350
This Southwest deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 9/147:55 am -
1 stop9h 50m
Mon 9/211:40 pm -
1 stop8h 55m
Deal found 8/2![Southwest logo]()
$351
This American Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 9/1210:01 pm -
1 stop14h 17m
Wed 9/232:47 pm -
1 stop19h 40m
Deal found 8/5![American Airlines logo]()
$364
This American Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/312:20 am -
2 stops13h 29m
Mon 11/93:54 pm -
1 stop23h 07m
Deal found 8/2![American Airlines logo]()
$365
This United Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 11/16:20 am -
1 stop8h 50m
Sun 11/88:45 am -
2 stops13h 40m
Deal found 8/4![United Airlines logo]()
$376
This BusinessClass deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 10/135:00 am -
1 stop8h 00m
Tue 10/206:00 am -
1 stop10h 38m
Deal found 8/4![GOL logo]()
$378
This Southwest deal was found by Cheapflights users on 8/1. 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.
Sat 9/267:50 am -
2 stops9h 15m
Sat 10/31:00 pm -
1 stop8h 35m
Deal found 8/1![Southwest logo]()
$379
This United Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 9/148:30 am -
1 stop10h 07m
Wed 10/147:55 am -
1 stop14h 05m
Deal found 8/4![United Airlines logo]()
$380
This BusinessClass deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 9/144:40 pm -
2 stops19h 38m
Mon 9/212:47 pm -
2 stops19h 28m
Deal found 8/2![GOL logo]()
$381
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 August 6, 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 August 6, 2026.
This United Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:00 am -
1 stop12h 37m
Mon 10/2611:35 am -
1 stop9h 02m
Deal found 8/4![United Airlines logo]()
$350
This Southwest deal was found by Cheapflights users on 8/1. 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.
Sat 9/195:00 am -
1 stop6h 45m
Sat 9/261:40 pm -
2 stops18h 35m
Deal found 8/1![Southwest logo]()
$401
This American Airlines deal was found by Cheapflights users on 8/1. 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 8/277:30 pm -
2 stops17h 08m
Thu 9/32:45 pm -
2 stops16h 48m
Deal found 8/1![American Airlines logo]()
$438
This United Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 9/146:09 am -
1 stop12h 28m
Mon 9/218:45 am -
1 stop10h 50m
Deal found 8/4![United Airlines logo]()
$350
This United Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 10/2410:25 am -
1 stop8h 12m
Fri 10/3011:35 am -
2 stops11h 18m
Deal found 8/4![United Airlines logo]()
$355
This Southwest deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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
Fri 10/301:30 pm -
2 stops10h 55m
Deal found 8/3![Southwest logo]()
$416
This Southwest deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 10/1010:55 pm -
1 stop12h 45m
Sat 10/241:00 pm -
1 stop8h 35m
Deal found 8/2![Southwest logo]()
$435
This United Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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 9/195:45 pm -
2 stops17h 25m
Sat 9/2611:49 am -
1 stop9h 25m
Deal found 8/3![United Airlines logo]()
$408
This Southwest deal was found by Cheapflights users on 8/1. 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.
Thu 9/107:55 am -
1 stop9h 50m
Mon 9/149:00 am -
2 stops13h 35m
Deal found 8/1![Southwest logo]()
$449
This United Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 10/910:25 am -
1 stop8h 12m
Sat 10/241:25 pm -
1 stop8h 35m
Deal found 8/2![United Airlines logo]()
$422
This American Airlines deal was found by Cheapflights users on 8/1. 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.
Fri 10/94:39 pm -
1 stop19h 39m
Fri 10/162:45 pm -
2 stops17h 05m
Deal found 8/1![American Airlines logo]()
$590
This United Airlines deal was found by Cheapflights users on 8/1. 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.
Thu 9/106:09 am -
1 stop12h 28m
Mon 9/148:45 am -
1 stop10h 50m
Deal found 8/1![United Airlines logo]()
$436
This American Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:23 am -
2 stops11h 55m
Wed 9/302:47 pm -
2 stops21h 16m
Deal found 8/6![American Airlines logo]()
$593
This United Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 10/910:25 am -
1 stop8h 12m
Fri 10/168:45 am -
1 stop13h 30m
Deal found 8/5![United Airlines logo]()
$446
This Southwest deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 9/189:50 pm -
2 stops13h 55m
Sat 9/261:40 pm -
2 stops18h 35m
Deal found 8/5![Southwest logo]()
$560
This United Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 11/26:20 am -
1 stop8h 50m
Sun 11/88:45 am -
2 stops26h 55m
Deal found 8/4![United Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 10/3110:20 am -
2 stops25h 50m
Mon 11/98:45 am -
1 stop8h 35m
Deal found 8/4![United Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 9/410:46 am -
1 stop19h 29m
Fri 9/118:45 am -
1 stop13h 23m
Deal found 8/5![United Airlines logo]()
$490
This United Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 9/184:18 pm -
1 stop18h 52m
Sat 9/2611:49 am -
1 stop9h 25m
Deal found 8/5![United Airlines logo]()
$531
This United Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 9/1410:26 am -
2 stops24h 44m
Wed 9/231:20 pm -
2 stops21h 58m
Deal found 8/2![United Airlines logo]()
$599
Last-minute flights from Phoenix to Costa RicaDiscover last-minute flight deals from Phoenix to Costa Rica. Data last updated August 6, 2026 and is based on user searches.
Discover last-minute flight deals from Phoenix to Costa Rica. Data last updated August 6, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 9/47:37 pm -
1 stop10h 38m
Fri 9/118:45 am -
1 stop10h 50m
Deal found 8/5![United Airlines logo]()
$370
This American Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 9/1210:01 pm -
1 stop14h 17m
Wed 9/232:47 pm -
1 stop19h 40m
Deal found 8/5![American Airlines logo]()
$364
This United Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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 9/148:30 am -
1 stop10h 07m
Mon 10/127:55 am -
1 stop10h 51m
Deal found 8/3![United Airlines logo]()
$350
This Southwest deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 9/147:55 am -
1 stop9h 50m
Mon 9/211:40 pm -
1 stop8h 55m
Deal found 8/2![Southwest logo]()
$351
This United Airlines deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 9/148:30 am -
1 stop10h 07m
Wed 10/147:55 am -
2 stops13h 54m
Deal found 8/4![United Airlines logo]()
$375
This BusinessClass deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 9/144:40 pm -
2 stops19h 38m
Mon 9/212:47 pm -
2 stops19h 28m
Deal found 8/2![GOL logo]()
$381
This BusinessClass deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 9/153:17 pm -
2 stops20h 42m
Thu 10/156:00 am -
1 stop18h 55m
Deal found 8/2![GOL logo]()
$387
This BusinessClass deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” 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 9/153:17 pm -
2 stops20h 42m
Tue 10/136:00 am -
2 stops16h 31m
Deal found 8/4![GOL logo]()
$402
This Southwest deal was found by Cheapflights users on 8/1. 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 9/187:05 am -
2 stops10h 40m
Mon 9/211:40 pm -
1 stop8h 55m
Deal found 8/1![Southwest logo]()
$401
This Southwest deal was found by Cheapflights users on 8/1. 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.
Sat 9/195:00 am -
1 stop6h 45m
Sat 9/261:40 pm -
1 stop7h 55m
Deal found 8/1![Southwest logo]()
$345
This United Airlines deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 9/256:43 pm -
2 stops16h 27m
Thu 10/11:20 pm -
1 stop8h 40m
Deal found 8/5![United Airlines logo]()
$344
This Southwest deal was found by Cheapflights users on 8/1. 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.
Sat 9/267:50 am -
2 stops9h 15m
Sat 10/31:00 pm -
1 stop8h 35m
Deal found 8/1![Southwest logo]()
$379
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 August 6, 2026.
Search for one-way flight options from Phoenix to Costa Rica. Find affordable one-way fares based on user searches. Data last updated August 6, 2026.
This Southwest deal was found by Cheapflights users on 8/1. 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.
Mon 9/77:55 am -
1 stop9h 50m
Deal found 8/1![Southwest logo]()
$154
This Southwest deal was found by Cheapflights users on 8/1. 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.
Sat 9/195:00 am -
1 stop6h 45m
Deal found 8/1![Southwest logo]()
$156
This Southwest deal was found by Cheapflights users on 8/1. 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.
Sat 8/225:00 am -
1 stop6h 45m
Deal found 8/1![Southwest logo]()
$177
This Southwest deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 8/299:25 am -
1 stop7h 35m
Deal found 8/2![Southwest logo]()
$177
This Southwest deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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 8/287:55 am -
1 stop9h 45m
Deal found 8/3![Southwest logo]()
$185
This Southwest deal was found by Cheapflights users on 8/1. 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 8/235:15 am -
1 stop7h 00m
Deal found 8/1![Southwest logo]()
$192
This Southwest deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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 9/125:00 am -
1 stop6h 45m
Deal found 8/5![Southwest logo]()
$198
This Southwest deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” 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 8/1111:05 pm -
1 stop12h 40m
Deal found 8/2![Southwest logo]()
$208
This FlightHub deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:06 pm -
2 stops32h 24m
Deal found 8/4![Multiple Airlines logo]()
$236
This Avianca deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” 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.
Fri 10/91:20 pm -
2 stops18h 10m
Deal found 8/5![Multiple Airlines logo]()
$243
This Southwest deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” 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 8/1811:05 pm -
1 stop12h 40m
Deal found 8/3![Southwest logo]()
$246
This Cheapflightsfares deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:06 pm -
1 stop12h 27m
Deal found 8/4![JetBlue logo]()
$260
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 August 6, 2026.
Round-trip from | $344 (United Airlines) |
|---|---|
One-way from | $154 (Southwest) |
Popular in | December |
Cheapest in | October |
Average price | $597 |
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 August 6, 2026.
Use the filters below to find and compare flights from Phoenix to Costa Rica that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhoenixSan José
PHX Phoenix Sky Harbor Intl - SJO San José Juan Santamaria Intl
PHXSJO
Phoenix Sky Harbor Intl
Wed 10/21
6:00 am-7:37 pm
1 stop12h 37m
San José Juan Santamaria Intl
Mon 10/26
11:35 am-7:37 pm
1 stop9h 02m
$350
PhoenixSan José
PHX Phoenix Sky Harbor Intl - SJO San José Juan Santamaria Intl
PHXSJO
Phoenix Sky Harbor Intl
Mon 9/14
6:09 am-7:37 pm
1 stop12h 28m
San José Juan Santamaria Intl
Mon 9/21
8:45 am-6:35 pm
1 stop10h 50m
$350
PhoenixSan José
PHX Phoenix Sky Harbor Intl - SJO San José Juan Santamaria Intl
PHXSJO
Phoenix Sky Harbor Intl
Sat 10/24
10:25 am-7:37 pm
1 stop8h 12m
San José Juan Santamaria Intl
Fri 10/30
11:35 am-9:53 pm
2 stops11h 18m
$355
PhoenixLiberia
PHX Phoenix Sky Harbor Intl - LIR Liberia
PHXLIR
Phoenix Sky Harbor Intl
Sat 9/19
5:00 am-12:45 pm
1 stop6h 45m
Liberia
Sat 9/26
1:40 pm-7:15 am
2 stops18h 35m
$401
PhoenixLiberia
PHX Phoenix Sky Harbor Intl - LIR Liberia
PHXLIR
Phoenix Sky Harbor Intl
Sat 9/19
5:45 pm-12:10 pm
2 stops17h 25m
Liberia
Sat 9/26
11:49 am-8:14 pm
1 stop9h 25m
$408
PhoenixSan José
PHX Phoenix Sky Harbor Intl - SJO San José Juan Santamaria Intl
PHXSJO
Phoenix Sky Harbor Intl
Sat 10/24
7:05 am-7:40 pm
2 stops11h 35m
San José Juan Santamaria Intl
Fri 10/30
1:30 pm-11:25 pm
2 stops10h 55m
$416
Quickest round-trip
PhoenixSan José
PHX Phoenix Sky Harbor Intl - SJO San José Juan Santamaria Intl
PHXSJO
Phoenix Sky Harbor Intl
Fri 10/9
10:25 am-7:37 pm
1 stop8h 12m
San José Juan Santamaria Intl
Sat 10/24
1:25 pm-9:00 pm
1 stop8h 35m
$422
PhoenixSan José
PHX Phoenix Sky Harbor Intl - SJO San José Juan Santamaria Intl
PHXSJO
Phoenix Sky Harbor Intl
Sat 10/10
10:55 pm-12:40 pm
1 stop12h 45m
San José Juan Santamaria Intl
Sat 10/24
1:00 pm-8:35 pm
1 stop8h 35m
$435
PhoenixSan José
PHX Phoenix Sky Harbor Intl - SJO San José Juan Santamaria Intl
PHXSJO
Phoenix Sky Harbor Intl
Thu 9/10
6:09 am-7:37 pm
1 stop12h 28m
San José Juan Santamaria Intl
Mon 9/14
8:45 am-6:35 pm
1 stop10h 50m
$436
PhoenixLiberia
PHX Phoenix Sky Harbor Intl - LIR Liberia
PHXLIR
Phoenix Sky Harbor Intl
Thu 8/27
7:30 pm-1:38 pm
2 stops17h 08m
Liberia
Thu 9/3
2:45 pm-6:33 am
2 stops16h 48m
$438
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, October is the cheapest month in which you can book a flight from Phoenix to Costa Rica (average of $462). Flying from Phoenix to Costa Rica in December is currently the most expensive (average of $627). 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 11 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 August 6, 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.
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
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
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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 August 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Phoenix to Costa Rica
Discover the top 5 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 August 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$250 | Average$492 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$340 | Average$547 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$353 | Average$560 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$354 | Average$634 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$406 | Average$595 | FlexibilityNo cancel fee | On-time74% |