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Costa Rica

$158+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SJO
Apr 21 — Apr 281
Mon 4/21
Mon 4/28
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 April 16, 2025.

Round-trip from

$331
(CheapOair)

One-way from

$158
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$581
From Phoenix to Costa Rica
Search Deals
One-way flight from Phoenix to Costa Rica
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($44 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 16, 2025.

This CheapOair deal was found by Cheapflights users on 4/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/299:32 amPHX - SJO
1 stop13h 20mMultiple Airlines
Sun 9/144:13 pmSJO - PHX
1 stop16h 48mMultiple Airlines
Deal found 4/16$331
This American Airlines deal was found by Cheapflights users on 4/16. 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 8/1912:52 amPHX - SJO
1 stop11h 28mAmerican Airlines
Mon 8/257:40 amSJO - PHX
1 stop16h 17mAmerican Airlines
Deal found 4/16$376
This United Airlines deal was found by Cheapflights users on 4/16. 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 5/158:30 amPHX - SJO
1 stop10h 07mUnited Airlines
Sat 5/246:35 amSJO - PHX
1 stop14h 46mUnited Airlines
Deal found 4/16$387
This Southwest deal was found by Cheapflights users on 4/16. 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 5/1710:45 pmPHX - SJO
1 stop12h 25mSouthwest
Wed 5/211:10 pmSJO - PHX
1 stop10h 25mSouthwest
Deal found 4/16$388
This Mytrip deal was found by Cheapflights users on 4/16. 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 5/159:19 amPHX - SJO
2 stops25h 14mSpirit Airlines
Fri 5/2311:32 amSJO - PHX
3 stops45h 41mSpirit Airlines
Deal found 4/16$390
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/89:00 amPHX - SJO
2 stops37h 52mAlaska Airlines
Mon 5/121:12 amSJO - PHX
2 stops15h 37mAlaska Airlines
Deal found 4/16$404
This Delta deal was found by Cheapflights users on 4/16. 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 10/2511:55 pmPHX - SJO
1 stop10h 53mDelta
Sat 11/11:13 pmSJO - PHX
1 stop10h 46mDelta
Deal found 4/16$421
This Air Canada deal was found by Cheapflights users on 4/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1512:25 pmPHX - SJO
2 stops33h 10mAir Canada
Mon 10/207:55 amSJO - PHX
2 stops31h 44mAir Canada
Deal found 4/16$528
This Copa Airlines deal was found by Cheapflights users on 4/16. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/24:40 pmPHX - SJO
2 stops20h 14mCopa Airlines
Tue 5/68:09 amSJO - PHX
2 stops13h 53mCopa Airlines
Deal found 4/16$529
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/186:05 pmPHX - LIR
2 stops20h 48mAlaska Airlines
Wed 9/1711:20 amLIR - PHX
2 stops13h 54mAlaska Airlines
Deal found 4/15$556
This Southwest deal was found by Cheapflights users on 4/16. 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 6/235:00 amPHX - LIR
1 stop7h 10mSouthwest
Sat 6/281:45 pmLIR - PHX
1 stop9h 50mSouthwest
Deal found 4/16$612
This American Airlines deal was found by Cheapflights users on 4/15. 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 8/1712:52 amPHX - LIR
1 stop11h 26mAmerican Airlines
Wed 9/172:05 pmLIR - PHX
1 stop10h 11mAmerican Airlines
Deal found 4/15$665

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 April 16, 2025.
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

Fri 8/29

9:32 am-11:52 pm

1 stop13h 20m

San José Juan Santamaria Intl

Sun 9/14

4:13 pm-8:01 am

1 stop16h 48m

$331

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Tue 8/19

12:52 am-1:20 pm

1 stop11h 28m

San José Juan Santamaria Intl

Mon 8/25

7:40 am-10:57 pm

1 stop16h 17m

$376

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Thu 5/15

10:25 am-7:37 pm

1 stop8h 12m

San José Juan Santamaria Intl

Fri 5/23

5:30 am-3:07 pm

1 stop10h 37m

$387

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Sat 5/17

10:45 pm-12:10 pm

1 stop12h 25m

San José Juan Santamaria Intl

Wed 5/21

1:10 pm-10:35 pm

1 stop10h 25m

$388

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Thu 5/15

9:19 am-11:33 am

2 stops25h 14m

San José Juan Santamaria Intl

Fri 5/23

11:32 am-8:13 am

3 stops45h 41m

$390

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Thu 5/8

9:00 am-11:52 pm

2 stops37h 52m

San José Juan Santamaria Intl

Mon 5/12

1:12 am-3:49 pm

2 stops15h 37m

$404

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Fri 5/2

4:40 pm-1:54 pm

2 stops20h 14m

San José Juan Santamaria Intl

Tue 5/6

8:09 am-9:02 pm

2 stops13h 53m

$529

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Mon 8/18

6:05 pm-3:53 pm

2 stops20h 48m

Liberia

Wed 9/17

11:20 am-12:14 am

2 stops13h 54m

$556

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Mon 6/23

5:00 am-1:10 pm

1 stop7h 10m

Liberia

Sat 6/28

1:45 pm-10:35 pm

1 stop9h 50m

$612

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Mon 10/13

6:27 pm-10:35 pm

2 stops27h 08m

San José Juan Santamaria Intl

Sun 10/19

8:00 am-7:19 pm

2 stops36h 19m

$665

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 26 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 $398). Flying from Phoenix to Costa Rica in March is currently the most expensive (average of $555). 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.

What is the cheapest time of day to fly from PHX to CR?

Find hourly flight availability from Phoenix to Costa Rica. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 16, 2025.

When flying from Phoenix to Costa Rica, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Costa Rica by month

Plan your trip to Costa Rica by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Costa Rica ranges from 0.0 - 11.8 inches per month. September is typically the wettest month, when rainfall can reach 11.8 in. February is typically the driest time to visit Costa Rica when rainfall is around 0.0 in.

Temperature in Costa Rica by month

Plan your trip to Costa Rica by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Costa Rica, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 64.4 F).

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 16, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Phoenix to Costa Rica. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,876 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,876 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,282 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,916 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Copa Airlines
7.6
Good
1,408 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,665 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.

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

    $177 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 Spirit Airlines and United Airlines, with prices starting from $178 and $179, 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 $398). Flying from Phoenix to Costa Rica in March is currently the most expensive (average of $555). 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

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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 8 airlines flying from Phoenix to Costa Rica

Discover the top 8 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 April 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$268Average$382FlexibilityNo cancel feeOn-time65%
DeltaCheapest$360Average$628FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$370Average$601FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$389Average$630FlexibilityNo cancel feeOn-time71%
AviancaCheapest$396Average$471FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$406Average$666FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$420Average$675FlexibilityNo cancel feeOn-time69%
Copa AirlinesCheapest$602Average$702FlexibilityNo cancel feeOn-time70%

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