HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Costa Rica

$176+ 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 6/19. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SJO
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Sky Harbor Intl to Costa Rica with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 April 24, 2025.

Round-trip from

$369
(Mytrip)

One-way from

$176
(Mytrip)

Popular in

December

Cheapest in

May

Average price

$581
From Phoenix Sky Harbor Intl to Costa Rica
Search Deals
One-way flight from Phoenix Sky Harbor Intl to Costa Rica
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 April 24, 2025.

This Mytrip deal was found by Cheapflights users on 4/23. 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 5/169:19 amPHX - SJO
2 stops25h 14mMultiple Airlines
Tue 5/203:31 pmSJO - PHX
1 stop17h 37mMultiple Airlines
Deal found 4/23$369
This Mytrip deal was found by Cheapflights users on 4/22. 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 6/139:35 pmPHX - SJO
2 stops12h 42mSpirit Airlines
Tue 6/1712:28 pmSJO - PHX
2 stops32h 37mSpirit Airlines
Deal found 4/22$371
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Fri 5/166:00 amPHX - SJO
1 stop15h 17mAmerican Airlines
Tue 5/2011:59 pmSJO - PHX
1 stop8h 43mAmerican Airlines
Deal found 4/23$387
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Sat 5/176:00 amPHX - SJO
1 stop12h 37mUnited Airlines
Sat 5/241:30 pmSJO - PHX
2 stops11h 45mUnited Airlines
Deal found 4/22$391
This Southwest deal was found by Cheapflights users on 4/23. 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 5/169:10 amPHX - SJO
2 stops9h 30mSouthwest
Tue 5/201:10 pmSJO - PHX
1 stop10h 25mSouthwest
Deal found 4/23$419
This Delta deal was found by Cheapflights users on 4/22. 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 4/22$421
This Alaska Airlines deal was found by Cheapflights users on 4/22. 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.
Sat 5/177:00 amPHX - SJO
2 stops15h 46mAlaska Airlines
Fri 5/231:06 amSJO - PHX
2 stops36h 59mAlaska Airlines
Deal found 4/22$510
This Copa Airlines deal was found by Cheapflights users on 4/22. 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 5/23:29 pmPHX - SJO
2 stops17h 30mCopa Airlines
Tue 5/64:10 amSJO - PHX
2 stops17h 52mCopa Airlines
Deal found 4/22$529
This Southwest deal was found by Cheapflights users on 4/21. 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 6/105:00 amPHX - LIR
1 stop7h 10mSouthwest
Tue 6/172:10 pmLIR - PHX
1 stop9h 10mSouthwest
Deal found 4/21$586
This Alaska Airlines deal was found by Cheapflights users on 4/22. 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 6/27:00 amPHX - LIR
2 stops22h 20mAlaska Airlines
Tue 6/1011:20 amLIR - PHX
2 stops23h 16mAlaska Airlines
Deal found 4/22$618
This Air Canada deal was found by Cheapflights users on 4/23. 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.
Thu 5/296:30 pmPHX - LIR
2 stops40h 30mAir Canada
Sat 6/712:35 pmLIR - PHX
1 stop23h 12mAir Canada
Deal found 4/23$625
This Delta deal was found by Cheapflights users on 4/21. 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 6/1111:59 pmPHX - LIR
1 stop11h 01mDelta
Tue 6/171:25 pmLIR - PHX
1 stop10h 18mDelta
Deal found 4/21$665

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 April 24, 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

Fri 5/16

9:19 am-11:33 am

2 stops25h 14m

San José Juan Santamaria Intl

Tue 5/20

3:31 pm-8:08 am

1 stop17h 37m

$369

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Fri 6/13

9:35 pm-11:17 am

2 stops12h 42m

San José Juan Santamaria Intl

Tue 6/17

12:28 pm-8:05 pm

2 stops32h 37m

$371

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Fri 5/16

6:00 am-10:17 pm

1 stop15h 17m

San José Juan Santamaria Intl

Tue 5/20

11:59 pm-7:42 am

1 stop8h 43m

$387

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Sat 5/17

6:00 am-7:37 pm

1 stop12h 37m

San José Juan Santamaria Intl

Sat 5/24

1:30 pm-12:15 am

2 stops11h 45m

$391

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Fri 5/16

9:10 am-7:40 pm

2 stops9h 30m

San José Juan Santamaria Intl

Tue 5/20

1:10 pm-10:35 pm

1 stop10h 25m

$419

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Sat 5/17

7:00 am-11:46 pm

2 stops15h 46m

San José Juan Santamaria Intl

Fri 5/23

1:06 am-1:05 pm

2 stops36h 59m

$510

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Fri 5/2

3:29 pm-9:59 am

2 stops17h 30m

San José Juan Santamaria Intl

Tue 5/6

4:10 am-9:02 pm

2 stops17h 52m

$529

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Tue 6/10

5:00 am-1:10 pm

1 stop7h 10m

Liberia

Tue 6/17

2:10 pm-10:20 pm

1 stop9h 10m

$586

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Mon 6/2

7:00 am-6:20 am

2 stops22h 20m

Liberia

Tue 6/10

11:20 am-9:36 am

2 stops23h 16m

$618

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Thu 5/29

6:30 pm-12:00 pm

2 stops40h 30m

Liberia

Sat 6/7

12:35 pm-10:47 am

1 stop23h 12m

$625

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 26 results
1
2
3

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 April 24, 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 April 24, 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
9,918 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.1

Boarding

8.2

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
9,918 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.1

Boarding

8.2

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
4,286 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.1

Boarding

8.2

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
7,920 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.1

Boarding

8.2

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
1,411 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.1

Boarding

8.2

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
8,685 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.1

Boarding

8.2

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 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 ($176), United Airlines ($179), and JetBlue ($224).

  • 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$268Average$387FlexibilityNo cancel feeOn-time65%
DeltaCheapest$353Average$611FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$370Average$601FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$387Average$630FlexibilityNo cancel feeOn-time71%
AviancaCheapest$396Average$471FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$401Average$662FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$418Average$675FlexibilityNo cancel feeOn-time69%
Copa AirlinesCheapest$602Average$702FlexibilityNo cancel feeOn-time70%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.