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Costa Rica

$147+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SJO
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$326
(American Airlines)

One-way from

$147
(American Airlines)

Popular in

December

Cheapest in

May

Average price

$544
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. 9% potential increase in price ($65 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/12. 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 10/256:20 pmPHX - SJO
1 stop17h 57mAmerican Airlines
Thu 10/302:25 pmSJO - PHX
1 stop9h 40mAmerican Airlines
Deal found 6/12$326
This CheapOair deal was found by Cheapflights users on 6/11. 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.
Sun 11/239:32 amPHX - SJO
1 stop13h 21mMultiple Airlines
Sun 12/74:13 pmSJO - PHX
1 stop16h 48mMultiple Airlines
Deal found 6/11$344
This Delta deal was found by Cheapflights users on 6/11. 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.
Sun 8/3111:59 pmPHX - SJO
1 stop11h 11mDelta
Fri 9/51:35 pmSJO - PHX
1 stop10h 14mDelta
Deal found 6/11$384
This United Airlines deal was found by Cheapflights users on 6/11. 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 7/237:37 pmPHX - SJO
1 stop10h 38mUnited Airlines
Wed 7/305:30 amSJO - PHX
1 stop10h 37mUnited Airlines
Deal found 6/11$390
This Southwest deal was found by Cheapflights users on 6/12. 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 8/147:30 amPHX - SJO
1 stop10h 25mSouthwest
Tue 8/198:50 amSJO - PHX
1 stop11h 05mSouthwest
Deal found 6/12$391
This Mytrip deal was found by Cheapflights users on 6/10. 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.
Tue 7/89:46 pmPHX - SJO
2 stops12h 25mSpirit Airlines
Tue 7/1512:16 pmSJO - PHX
2 stops35h 03mSpirit Airlines
Deal found 6/10$459
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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.
Wed 9/1010:40 amPHX - LIR
2 stops18h 40mAlaska Airlines
Mon 9/1511:20 amLIR - PHX
2 stops23h 30mAlaska Airlines
Deal found 6/12$475
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Tue 7/227:37 pmPHX - LIR
2 stops13h 23mUnited Airlines
Wed 7/3011:05 amLIR - PHX
1 stop9h 17mUnited Airlines
Deal found 6/11$529
This American Airlines deal was found by Cheapflights users on 6/11. 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 7/2212:38 amPHX - LIR
2 stops11h 40mAmerican Airlines
Wed 7/3012:45 pmLIR - PHX
2 stops11h 31mAmerican Airlines
Deal found 6/11$533
This Southwest deal was found by Cheapflights users on 6/11. 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 8/245:35 amPHX - LIR
1 stop6h 40mSouthwest
Sun 8/312:10 pmLIR - PHX
2 stops18h 20mSouthwest
Deal found 6/11$555
This Air Canada deal was found by Cheapflights users on 6/11. 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.
Mon 11/2412:50 pmPHX - SJO
2 stops33h 25mAir Canada
Mon 12/19:00 amSJO - PHX
2 stops36h 38mAir Canada
Deal found 6/11$584
This Copa Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 6/117:27 pmPHX - SJO
2 stops17h 27mCopa Airlines
Mon 6/165:52 pmSJO - PHX
2 stops31h 21mCopa Airlines
Deal found 6/11$588

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 June 12, 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

Mon 9/1

11:50 pm-1:40 pm

1 stop12h 50m

San José Juan Santamaria Intl

Tue 9/9

6:00 am-9:49 pm

2 stops16h 49m

$330

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Wed 8/20

9:32 am-11:52 pm

1 stop13h 20m

San José Juan Santamaria Intl

Mon 8/25

4:13 pm-8:01 am

1 stop16h 48m

$351

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Sun 8/31

11:59 pm-12:10 pm

1 stop11h 11m

San José Juan Santamaria Intl

Fri 9/5

1:35 pm-10:49 pm

1 stop10h 14m

$384

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Wed 7/23

7:37 pm-7:15 am

1 stop10h 38m

San José Juan Santamaria Intl

Wed 7/30

5:30 am-3:07 pm

1 stop10h 37m

$390

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Thu 8/14

7:30 am-6:55 pm

1 stop10h 25m

San José Juan Santamaria Intl

Tue 8/19

8:50 am-6:55 pm

1 stop11h 05m

$391

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Tue 7/8

9:46 pm-11:11 am

2 stops12h 25m

San José Juan Santamaria Intl

Tue 7/15

12:16 pm-10:19 pm

2 stops35h 03m

$459

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Wed 9/10

10:40 am-6:20 am

2 stops18h 40m

Liberia

Mon 9/15

11:20 am-9:50 am

2 stops23h 30m

$475

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Tue 7/22

7:37 pm-10:00 am

2 stops13h 23m

Liberia

Wed 7/30

11:05 am-7:22 pm

1 stop9h 17m

$529

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Tue 7/22

10:32 pm-11:45 am

2 stops12h 13m

Liberia

Wed 7/30

2:25 pm-5:53 am

2 stops16h 28m

$533

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Sun 8/24

5:35 am-1:15 pm

1 stop6h 40m

Liberia

Sun 8/31

2:10 pm-7:30 am

2 stops18h 20m

$555

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 June 12, 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 June 12, 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
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Copa Airlines
7.5
Good
1,451 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

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?

    $147 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 Alaska Airlines, with prices starting from $190 and $215, 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$268Average$391FlexibilityNo cancel feeOn-time65%
DeltaCheapest$353Average$616FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$370Average$601FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$387Average$622FlexibilityNo cancel feeOn-time71%
AviancaCheapest$396Average$485FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$401Average$652FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$407Average$674FlexibilityNo cancel feeOn-time69%
Copa AirlinesCheapest$602Average$702FlexibilityNo cancel feeOn-time70%

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