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$114+ 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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SJO
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap 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 December 12, 2025.

This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1311:18 pmPHX - LIR
1 stop12h 12mAmerican Airlines
Fri 12/193:13 pmLIR - PHX
1 stop10h 59mAmerican Airlines
Deal found 12/10$327
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/166:35 amPHX - LIR
2 stops11h 02mUnited Airlines
Thu 12/188:35 amLIR - PHX
1 stop14h 39mUnited Airlines
Deal found 12/11$335
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:35 amPHX - SJO
2 stops13h 04mUnited Airlines
Thu 12/1812:35 pmSJO - PHX
1 stop10h 39mUnited Airlines
Deal found 12/10$364
This Delta deal was found by Cheapflights users on 12/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/129:45 pmPHX - SJO
1 stop8h 15mDelta
Sat 12/208:30 amSJO - PHX
1 stop15h 18mDelta
Deal found 12/10$374
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/145:00 amPHX - SJO
1 stop16h 59mAmerican Airlines
Tue 12/161:15 pmSJO - PHX
1 stop10h 31mAmerican Airlines
Deal found 12/10$384
This American Airlines deal was found by Cheapflights users on 12/11. 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.
Sat 12/136:24 pmPHX - SJO
1 stop18h 42mAmerican Airlines
Sat 12/201:50 pmSJO - PHX
1 stop12h 05mAmerican Airlines
Deal found 12/11$388
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Fri 12/1210:55 amPHX - SJO
1 stop10h 05mUnited Airlines
Fri 12/1912:35 pmSJO - PHX
2 stops11h 14mUnited Airlines
Deal found 12/11$391
This Delta deal was found by Cheapflights users on 12/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/129:45 pmPHX - SJO
1 stop8h 15mDelta
Mon 12/157:00 amSJO - PHX
1 stop14h 12mDelta
Deal found 12/10$404
This American Airlines deal was found by Cheapflights users on 12/9. 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 12/305:02 amPHX - SJO
1 stop14h 12mAmerican Airlines
Tue 1/278:00 amSJO - PHX
1 stop17h 55mAmerican Airlines
Deal found 12/9$414
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Fri 12/199:15 amPHX - LIR
1 stop8h 22mUnited Airlines
Mon 12/298:35 amLIR - PHX
1 stop14h 39mUnited Airlines
Deal found 12/11$467
This Southwest deal was found by Cheapflights users on 12/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/148:00 amPHX - SJO
2 stops11h 30mSouthwest
Tue 12/169:00 amSJO - PHX
2 stops14h 25mSouthwest
Deal found 12/10$469
This deal was found by Cheapflights users on 12/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/139:40 amPHX - LIR
1 stop7h 57mUnited Airlines
Wed 12/172:20 pmLIR - PHX
1 stop8h 51mUnited Airlines
Deal found 12/10$515

Find 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 December 12, 2025.

Round-trip from

$305
(Kiwi.com)

One-way from

$114
(eDestinos)

Popular in

December

Cheapest in

August

Average price

$699
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. 5% potential increase in price ($28 potential increase over avg. RT price).
Search Deals
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 December 2025
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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 December 12, 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

Sat 1/24

11:30 am-8:39 pm

1 stop8h 09m

San José Juan Santamaria Intl

Wed 1/28

2:20 pm-10:14 pm

1 stop8h 54m

$334

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Thu 1/22

9:30 am-8:39 pm

1 stop10h 09m

San José Juan Santamaria Intl

Tue 1/27

9:40 am-8:07 pm

1 stop11h 27m

$334

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Mon 1/19

12:30 am-12:37 pm

1 stop11h 07m

Liberia

Tue 2/3

3:13 pm-10:24 am

1 stop20h 11m

$335

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Mon 1/5

9:15 am-6:37 pm

1 stop8h 22m

Liberia

Wed 1/28

8:35 am-6:49 pm

1 stop11h 14m

$335

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Sun 1/25

10:55 pm-12:12 pm

1 stop12h 17m

Liberia

Sun 2/1

3:13 pm-7:49 am

2 stops17h 36m

$374

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Fri 1/16

11:59 pm-11:15 am

1 stop10h 16m

Liberia

Fri 1/30

2:45 pm-12:11 am

1 stop10h 26m

$375

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Tue 3/3

7:30 pm-1:30 pm

1 stop17h 00m

Liberia

Wed 3/11

1:20 pm-11:46 pm

1 stop11h 26m

$375

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Mon 1/19

7:15 am-6:16 pm

1 stop10h 01m

San José Juan Santamaria Intl

Sat 1/24

6:30 am-4:53 pm

1 stop11h 23m

$378

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Tue 1/6

4:20 pm-12:37 pm

1 stop19h 17m

Liberia

Sat 1/10

3:23 pm-8:49 am

1 stop18h 26m

$387

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Wed 1/14

5:00 am-2:20 pm

1 stop8h 20m

Liberia

Mon 1/19

3:23 pm-7:49 am

2 stops17h 26m

$409

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 35 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 $281). Flying from Phoenix Sky Harbor Intl Airport to Costa Rica in February is currently the most expensive (average of $406). 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 December 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Phoenix Sky Harbor Intl Airport to Costa Rica in the evening. If you’re flexible enough to do this you can expect to save up to 27% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Phoenix Sky Harbor Intl Airport to Costa Rica?

Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to Costa Rica. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Costa Rica flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 12, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Phoenix Sky Harbor Intl Airport to Costa Rica. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,253 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,253 reviews
Southwest
7.9
Good
4,253 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,008 reviews
Southwest
7.9
Good
4,253 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,095 reviews
Southwest
7.9
Good
4,253 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,050 reviews
Southwest
7.9
Good
4,253 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

7.9

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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.

  • How long is the flight from Phoenix Sky Harbor Intl Airport to Costa Rica?

    There are many flights that can get you from Phoenix Sky Harbor Intl Airport to Costa Rica in 8h 09m. Fly via United Airlines, American Airlines, or Delta to get the fastest option. There are 2392 mi between Phoenix Sky Harbor Intl Airport and Costa Rica. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 American Airlines ($150), United Airlines ($150), and Delta ($150).

  • 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 $281). Flying from Phoenix Sky Harbor Intl Airport to Costa Rica in February is currently the most expensive (average of $406). 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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Top 4 airlines flying from Sky Harbor Intl to Costa Rica

Discover the top 4 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$310Average$604FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$353Average$611FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$354Average$608FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$361Average$608FlexibilityNo cancel feeOn-time71%

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