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$224+ 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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SJO
May 4 — May 111
Sun 5/4
Sun 5/11
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 29, 2025.

Round-trip from

$367
(Kiwi.com)

One-way from

$224
(JetBlue)

Popular in

December

Cheapest in

May

Average price

$581
From Phoenix to Costa Rica
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One-way flight from Phoenix to Costa Rica
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Highest demand for flights based on searches. 7% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 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 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/275:32 pmPHX - SJO
1 stop15h 55mMultiple Airlines
Wed 6/1111:32 amSJO - PHX
1 stop29h 50mMultiple Airlines
Deal found 4/29$367
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/307:49 pmPHX - SJO
1 stop9h 11mDelta
Wed 6/111:25 pmSJO - PHX
1 stop10h 18mDelta
Deal found 4/29$390
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/198:56 amPHX - SJO
1 stop10h 18mAmerican Airlines
Tue 8/266:00 amSJO - PHX
2 stops12h 52mAmerican Airlines
Deal found 4/28$394
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/67:27 pmPHX - SJO
1 stop10h 48mUnited Airlines
Tue 6/108:45 amSJO - PHX
1 stop10h 35mUnited Airlines
Deal found 4/28$407
This Mytrip deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/52:34 pmPHX - SJO
2 stops18h 50mSpirit Airlines
Wed 5/1411:32 amSJO - PHX
2 stops21h 41mSpirit Airlines
Deal found 4/28$436
This Alaska Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/139:00 amPHX - SJO
2 stops13h 52mAlaska Airlines
Fri 5/301:06 amSJO - PHX
2 stops17h 10mAlaska Airlines
Deal found 4/28$486
This Copa Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/164:40 pmPHX - SJO
2 stops15h 25mCopa Airlines
Thu 5/226:07 pmSJO - PHX
2 stops31h 08mCopa Airlines
Deal found 4/28$529
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1411:59 pmPHX - LIR
1 stop11h 01mDelta
Mon 7/211:25 pmLIR - PHX
1 stop10h 20mDelta
Deal found 4/29$561
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/712:38 amPHX - LIR
2 stops11h 40mAmerican Airlines
Tue 7/1512:45 pmLIR - PHX
1 stop10h 15mAmerican Airlines
Deal found 4/29$565
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/87:50 pmPHX - LIR
2 stops16h 20mSouthwest
Tue 7/152:10 pmLIR - PHX
2 stops19h 35mSouthwest
Deal found 4/28$567
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/198:05 amPHX - SJO
2 stops10h 35mSouthwest
Mon 5/268:45 amSJO - PHX
2 stops14h 40mSouthwest
Deal found 4/28$588
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/176:05 amPHX - LIR
1 stop23h 15mMultiple Airlines
Wed 7/234:58 pmLIR - PHX
1 stop24h 06mMultiple Airlines
Deal found 4/29$596

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 29, 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

Tue 5/27

5:32 pm-10:27 am

1 stop15h 55m

San José Juan Santamaria Intl

Wed 6/11

11:32 am-4:22 pm

1 stop29h 50m

$367

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Fri 5/30

7:49 pm-6:00 am

1 stop9h 11m

San José Juan Santamaria Intl

Wed 6/11

1:25 pm-10:43 pm

1 stop10h 18m

$390

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Thu 6/12

11:10 pm-11:40 am

1 stop11h 30m

San José Juan Santamaria Intl

Thu 6/19

11:59 pm-12:32 pm

2 stops13h 33m

$394

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Fri 6/6

7:27 pm-7:15 am

1 stop10h 48m

San José Juan Santamaria Intl

Tue 6/10

8:45 am-6:20 pm

1 stop10h 35m

$407

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Mon 5/5

2:34 pm-10:24 am

2 stops18h 50m

San José Juan Santamaria Intl

Wed 5/14

11:32 am-8:13 am

2 stops21h 41m

$436

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Tue 5/13

9:00 am-11:52 pm

2 stops13h 52m

San José Juan Santamaria Intl

Fri 5/30

1:06 am-5:16 pm

2 stops17h 10m

$486

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Fri 5/16

4:40 pm-9:05 am

2 stops15h 25m

San José Juan Santamaria Intl

Thu 5/22

6:07 pm-12:15 am

2 stops31h 08m

$529

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Mon 7/14

11:59 pm-12:00 pm

1 stop11h 01m

Liberia

Thu 7/24

1:25 pm-10:45 pm

1 stop10h 20m

$561

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Mon 7/7

12:38 am-1:18 pm

2 stops11h 40m

Liberia

Tue 7/15

12:45 pm-10:00 pm

1 stop10h 15m

$565

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Tue 7/8

7:50 pm-1:10 pm

2 stops16h 20m

Liberia

Tue 7/15

2:10 pm-8:45 am

2 stops19h 35m

$567

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 27 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 29, 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 29, 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
9,961 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,295 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Copa Airlines
7.5
Good
1,411 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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?

    $224 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on Spirit Airlines and Alaska Airlines, with prices starting from $226 and $247, 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 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$268Average$387FlexibilityNo cancel feeOn-time65%
DeltaCheapest$353Average$612FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$370Average$601FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$387Average$629FlexibilityNo cancel feeOn-time71%
AviancaCheapest$396Average$485FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$401Average$660FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$415Average$675FlexibilityNo cancel feeOn-time69%
Copa AirlinesCheapest$602Average$702FlexibilityNo cancel feeOn-time70%

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