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$160+ Cheap flights from Sky Harbor Intl (PHX) 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SJO
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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Cheap flight deals from Sky Harbor Intl to Costa Rica

Keep the following information in mind while searching for Sky Harbor Intl to Costa Rica flight deals. Data was last updated March 31, 2025.

Round-trip from

$390
(United Airlines)

One-way from

$160
(FlightHub)

Popular in

December

Cheapest in

August

Average price

$696
From Phoenix Sky Harbor Intl to Costa Rica
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One-way flight from Phoenix Sky Harbor Intl to Costa Rica
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Highest demand for flights based on searches. 5% potential increase in price ($36 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 March 2025
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Find flight deals from Sky Harbor Intl to Costa Rica

Cheapest flights from Sky Harbor Intl to Costa Rica
Explore the most affordable flight options available from Sky Harbor Intl to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

This CheapOair deal was found by Cheapflights users on 3/30. 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.
Thu 8/1412:20 amPHX - SJO
2 stops9h 58mMultiple Airlines
Mon 8/184:13 pmSJO - PHX
1 stop16h 48mMultiple Airlines
Deal found 3/30$389
This American Airlines deal was found by Cheapflights users on 3/31. 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 - SJO
1 stop11h 28mAmerican Airlines
Mon 8/2512:50 pmSJO - PHX
1 stop9h 52mAmerican Airlines
Deal found 3/31$390
This United Airlines deal was found by Cheapflights users on 3/30. 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 4/49:51 amPHX - SJO
1 stop10h 24mUnited Airlines
Sun 4/67:55 amSJO - PHX
1 stop12h 43mUnited Airlines
Deal found 3/30$393
This CheapOair deal was found by Cheapflights users on 3/31. 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.
Sat 4/265:46 pmPHX - SJO
2 stops16h 32mSpirit Airlines
Fri 5/212:23 pmSJO - PHX
2 stops29h 18mSpirit Airlines
Deal found 3/31$408
This Southwest deal was found by Cheapflights users on 3/30. 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 4/37:45 amPHX - SJO
1 stop10h 55mSouthwest
Sat 4/58:45 amSJO - PHX
1 stop10h 00mSouthwest
Deal found 3/30$424
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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 5/299:19 pmPHX - SJO
2 stops25h 27mAlaska Airlines
Mon 6/91:06 amSJO - PHX
2 stops20h 13mAlaska Airlines
Deal found 3/30$504
This JetBlue deal was found by Cheapflights users on 3/31. 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.
Fri 5/29:48 pmPHX - LIR
1 stop13h 57mJetBlue
Thu 5/82:10 pmLIR - PHX
1 stop31h 34mJetBlue
Deal found 3/31$505
This American Airlines deal was found by Cheapflights users on 3/30. 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 8/1612:52 amPHX - LIR
1 stop11h 26mAmerican Airlines
Sun 8/241:00 pmLIR - PHX
1 stop9h 42mAmerican Airlines
Deal found 3/30$545
This Copa Airlines deal was found by Cheapflights users on 3/31. 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.
Sat 4/263:29 pmPHX - SJO
2 stops17h 31mCopa Airlines
Sat 5/35:52 pmSJO - PHX
2 stops28h 10mCopa Airlines
Deal found 3/31$569
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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 - LIR
2 stops20h 20mAlaska Airlines
Mon 5/1911:20 amLIR - PHX
2 stops33h 59mAlaska Airlines
Deal found 3/30$583
This Delta deal was found by Cheapflights users on 3/30. 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.
Tue 8/511:55 pmPHX - LIR
1 stop10h 46mDelta
Wed 8/201:04 pmLIR - PHX
1 stop10h 46mDelta
Deal found 3/30$610
This Southwest deal was found by Cheapflights users on 3/31. 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 5/27:45 pmPHX - LIR
2 stops15h 45mSouthwest
Thu 5/82:05 pmLIR - PHX
1 stop9h 20mSouthwest
Deal found 3/31$616

Cheapflights Fare Finder

Customize your flight search to find flights from Sky Harbor Intl 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 March 31, 2025.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Costa Rica that are best for you.

Fly from

Sky Harbor Intl

Fly to

Costa Rica

Route

Depart

Return

Price

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Wed 6/4

4:09 pm-10:11 am

1 stop17h 02m

San José Juan Santamaria Intl

Mon 6/16

7:55 am-3:07 pm

1 stop8h 12m

$390

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Fri 4/25

12:48 am-1:05 pm

1 stop11h 17m

San José Juan Santamaria Intl

Fri 5/2

2:10 pm-11:56 pm

1 stop10h 46m

$391

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Mon 4/28

3:07 pm-10:24 am

1 stop18h 17m

San José Juan Santamaria Intl

Wed 5/7

11:32 am-8:13 am

2 stops21h 41m

$395

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Sat 4/26

5:46 pm-11:18 am

2 stops16h 32m

San José Juan Santamaria Intl

Fri 5/2

12:23 pm-4:41 pm

2 stops29h 18m

$408

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Thu 4/3

7:45 am-7:40 pm

1 stop10h 55m

San José Juan Santamaria Intl

Sat 4/5

8:45 am-5:45 pm

1 stop10h 00m

$424

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Tue 6/3

9:19 pm-11:46 pm

2 stops49h 27m

San José Juan Santamaria Intl

Mon 6/9

1:06 am-8:19 pm

2 stops20h 13m

$503

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Fri 5/2

9:48 pm-12:45 pm

1 stop13h 57m

Liberia

Thu 5/8

2:10 pm-8:44 pm

1 stop31h 34m

$505

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Sat 4/26

3:29 pm-10:00 am

2 stops17h 31m

San José Juan Santamaria Intl

Sat 5/3

5:52 pm-9:02 pm

2 stops28h 10m

$569

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Tue 5/13

9:00 am-6:20 am

2 stops20h 20m

Liberia

Mon 5/19

11:20 am-8:19 pm

2 stops33h 59m

$583

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Sun 6/1

12:45 am-11:20 am

1 stop9h 35m

Liberia

Tue 6/10

1:59 pm-9:15 pm

1 stop8h 16m

$585

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 29 results
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Best time to book a flight from Sky Harbor Intl to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Sky Harbor Intl 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 Sky Harbor Intl Airport to Costa Rica

What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Costa Rica?

Currently, September is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Costa Rica (average of $398). Flying from Phoenix Sky Harbor Intl Airport 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 Sky Harbor Intl 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 March 31, 2025.

When flying from Phoenix Sky Harbor Intl Airport 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 March 31, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Phoenix to Costa Rica to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,276 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Copa Airlines
7.6
Good
1,400 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,614 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Sky Harbor Intl 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 Sky Harbor Intl Airport to Costa Rica one-way?

    The cheapest airlines for a one-way flight from Phoenix Sky Harbor Intl Airport to Costa Rica are Spirit Airlines ($160), American Airlines ($165), and Delta ($195).

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

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

  • How can I find direct flights from Sky Harbor Intl to Costa Rica?

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

  • Can I find deals for business class flights from Sky Harbor Intl to Costa Rica?

    Yes. Cheapflights offers flight deals from Sky Harbor Intl 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 Sky Harbor Intl Airport to Costa Rica?

    Currently, September is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Costa Rica (average of $398). Flying from Phoenix Sky Harbor Intl Airport 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

Browse thousands of different options on Cheapflights for your next trip

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Top 8 airlines flying from Sky Harbor Intl to Costa Rica

Discover the top 8 airlines that operate flights from Sky Harbor Intl 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$268Average$381FlexibilityNo cancel feeOn-time65%
DeltaCheapest$360Average$601FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$370Average$601FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$392Average$632FlexibilityNo cancel feeOn-time71%
AviancaCheapest$396Average$584FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$420Average$685FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$463Average$668FlexibilityNo cancel feeOn-time63%
Copa AirlinesCheapest$602Average$702FlexibilityNo cancel feeOn-time70%
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