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Costa Rica

$152+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SJO
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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Cheap 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 January 8, 2026.

Round-trip from

$328
(Kiwi.com)

One-way from

$152
(American Airlines)

Popular in

December

Cheapest in

August

Average price

$510
From Phoenix to Costa Rica
Search Deals
One-way flight from Phoenix to Costa Rica
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Highest demand for flights based on searches. 2% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Phoenix to Costa Rica

Cheapest flights from Phoenix to Costa Rica
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 January 8, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/175:40 pmPHX - SJO
2 stops41h 42mMultiple Airlines
Tue 2/2412:35 pmSJO - PHX
1 stop10h 37mMultiple Airlines
Deal found 1/6$328
This Delta deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/216:00 amPHX - SJO
1 stop15h 15mDelta
Tue 1/277:00 amSJO - PHX
1 stop16h 15mDelta
Deal found 1/7$335
This JetBlue deal was found by Cheapflights users on 1/6. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/311:59 pmPHX - SJO
1 stop12h 51mJetBlue
Tue 3/171:05 pmSJO - PHX
1 stop10h 05mJetBlue
Deal found 1/6$336
This Avianca deal was found by Cheapflights users on 1/6. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/2311:59 pmPHX - SJO
2 stops15h 11mMultiple Airlines
Fri 1/3010:45 pmSJO - PHX
2 stops15h 44mMultiple Airlines
Deal found 1/6$339
This Kiwi.com deal was found by Cheapflights users on 1/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2011:59 pmPHX - SJO
1 stop10h 41mMultiple Airlines
Fri 2/271:31 pmSJO - PHX
2 stops35h 13mMultiple Airlines
Deal found 1/5$342
This United Airlines deal was found by Cheapflights users on 1/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:00 amPHX - SJO
2 stops12h 37mUnited Airlines
Thu 5/2111:13 amSJO - PHX
1 stop8h 48mUnited Airlines
Deal found 1/8$346
This Kiwi.com deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1811:59 pmPHX - SJO
1 stop10h 41mMultiple Airlines
Thu 2/261:31 pmSJO - PHX
2 stops36h 17mMultiple Airlines
Deal found 1/7$351
This Kiwi.com deal was found by Cheapflights users on 1/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2411:59 pmPHX - SJO
1 stop10h 41mMultiple Airlines
Sun 3/11:31 pmSJO - PHX
2 stops26h 56mMultiple Airlines
Deal found 1/6$354
This Kiwi.com deal was found by Cheapflights users on 1/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/2310:09 amPHX - SJO
2 stops24h 28mMultiple Airlines
Tue 2/2412:35 pmSJO - PHX
1 stop10h 37mMultiple Airlines
Deal found 1/6$355
This Mytrip deal was found by Cheapflights users on 1/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/206:40 amPHX - SJO
3 stops16h 00mAvianca
Fri 2/275:00 amSJO - PHX
2 stops16h 51mAvianca
Deal found 1/5$358
This JetBlue deal was found by Cheapflights users on 1/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/710:19 pmPHX - LIR
1 stop15h 31mJetBlue
Sat 2/1412:15 pmLIR - PHX
1 stop11h 34mJetBlue
Deal found 1/8$364
This Expedia deal was found by Cheapflights users on 1/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2510:25 pmPHX - LIR
1 stop15h 25mMultiple Airlines
Mon 3/96:08 pmLIR - PHX
2 stops20h 27mMultiple Airlines
Deal found 1/6$383

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 January 8, 2026.
Use the filters below to find and compare flights from Phoenix to Costa Rica that are best for you.

Fly from

Phoenix

Fly to

Costa Rica

Route

Depart

Return

Price

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Wed 1/21

6:00 am-10:15 pm

1 stop15h 15m

San José Juan Santamaria Intl

Tue 1/27

7:00 am-10:15 pm

1 stop16h 15m

$335

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Wed 1/21

6:45 am-8:39 pm

2 stops12h 54m

San José Juan Santamaria Intl

Tue 1/27

8:45 am-4:53 pm

1 stop9h 08m

$335

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Wed 5/20

3:31 pm-7:15 am

1 stop14h 44m

San José Juan Santamaria Intl

Wed 5/27

7:55 am-3:21 pm

1 stop8h 26m

$346

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Fri 5/1

10:35 pm-1:06 pm

1 stop13h 31m

San José Juan Santamaria Intl

Wed 5/6

1:25 pm-10:41 pm

1 stop10h 16m

$346

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Wed 4/15

6:05 am-7:37 pm

1 stop12h 32m

San José Juan Santamaria Intl

Wed 4/22

8:45 am-6:35 pm

1 stop10h 50m

$346

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Sat 5/9

6:05 am-7:37 pm

1 stop12h 32m

San José Juan Santamaria Intl

Sat 5/16

8:45 am-6:31 pm

1 stop10h 46m

$346

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Thu 2/19

5:10 pm-11:40 am

2 stops41h 30m

San José Juan Santamaria Intl

Sat 2/28

12:35 pm-10:12 pm

1 stop10h 37m

$351

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Wed 1/21

6:00 am-10:15 pm

1 stop15h 15m

San José Juan Santamaria Intl

Thu 1/29

7:00 am-10:15 pm

1 stop16h 15m

$365

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Sun 1/18

6:00 am-10:15 pm

1 stop15h 15m

San José Juan Santamaria Intl

Sat 1/24

7:00 am-11:46 pm

1 stop17h 46m

$365

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Sat 4/18

11:55 pm-12:04 pm

1 stop11h 09m

San José Juan Santamaria Intl

Wed 4/22

1:25 pm-10:41 pm

1 stop10h 16m

$376

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 43 results
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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.
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

What is the cheapest month to book a flight from Phoenix to Costa Rica?

Currently, September is the cheapest month in which you can book a flight from Phoenix to Costa Rica (average of $281). Flying from Phoenix to Costa Rica in February is currently the most expensive (average of $406). 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 January 8, 2026.
See what other customers who have flown with Southwest, Delta, and United Airlines 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.
Southwest
8.0
Very good
4,248 reviews

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,025 reviews
Southwest
8.0
Very good
4,248 reviews

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,139 reviews
Southwest
8.0
Very good
4,248 reviews

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,095 reviews
Southwest
8.0
Very good
4,248 reviews

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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.

  • How long is the flight from Phoenix to Costa Rica?

    For as low as $335, Delta can have you in Costa Rica from Phoenix in 12h 54m. The distance between Phoenix and Costa Rica is about 2392 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Phoenix to Costa Rica one-way?

    $150 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $150 and $150, respectively.

  • Can I find deals for flights from Phoenix to Costa Rica that include hotel bookings?

    Yes. In addition to deals on Phoenix to Costa Rica flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Phoenix to Costa Rica?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phoenix to Costa Rica.

  • Can I find deals for business class flights from Phoenix to Costa Rica?

    Yes. Cheapflights offers flight deals from Phoenix to Costa Rica by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Phoenix to Costa Rica?

    Currently, September is the cheapest month in which you can book a flight from Phoenix to Costa Rica (average of $281). Flying from Phoenix to Costa Rica in February is currently the most expensive (average of $406). 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.

See more FAQs

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.
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Top 4 airlines flying from Phoenix to Costa Rica

Discover the top 4 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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$333Average$587FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$352Average$587FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$354Average$601FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$357Average$588FlexibilityNo cancel feeOn-time71%

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