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$147+ 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SJO
Oct 29 — Nov 51
Wed 10/29
Wed 11/5
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 September 29, 2025.

Round-trip from

$305
(American Airlines)

One-way from

$147
(Delta)

Popular in

December

Cheapest in

August

Average price

$442
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. 13% potential increase in price ($86 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 29, 2025.

This American Airlines deal was found by Cheapflights users on 9/28. 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.
Sat 10/186:50 pmPHX - LIR
1 stop17h 09mAmerican Airlines
Fri 10/241:59 pmLIR - PHX
1 stop18h 58mAmerican Airlines
Deal found 9/28$305
This Kiwi.com deal was found by Cheapflights users on 9/27. 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.
Mon 10/1310:58 amPHX - SJO
1 stop23h 32mMultiple Airlines
Fri 10/1712:35 pmSJO - PHX
2 stops32h 06mMultiple Airlines
Deal found 9/27$317
This Delta deal was found by Cheapflights users on 9/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2610:59 pmPHX - LIR
1 stop12h 01mDelta
Wed 10/291:05 pmLIR - PHX
1 stop10h 55mDelta
Deal found 9/28$325
This United Airlines deal was found by Cheapflights users on 9/28. 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 10/248:19 pmPHX - LIR
2 stops14h 51mUnited Airlines
Fri 10/317:35 amLIR - PHX
2 stops12h 14mUnited Airlines
Deal found 9/28$329
This Expedia deal was found by Cheapflights users on 9/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2710:07 pmPHX - SJO
1 stop12h 59mJetBlue
Mon 11/32:01 pmSJO - PHX
1 stop22h 34mJetBlue
Deal found 9/27$330
This Delta deal was found by Cheapflights users on 9/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2310:59 pmPHX - LIR
1 stop12h 01mDelta
Thu 10/301:05 pmLIR - PHX
1 stop10h 55mDelta
Deal found 9/28$335
This KAYAK deal was found by Cheapflights users on 9/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/21:00 pmPHX - SJO
1 stop22h 25mSpirit Airlines
Sat 11/81:30 pmSJO - PHX
1 stop23h 35mSpirit Airlines
Deal found 9/27$343
This Expedia deal was found by Cheapflights users on 9/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2810:07 pmPHX - SJO
1 stop12h 59mJetBlue
Mon 11/32:01 pmSJO - PHX
1 stop22h 34mJetBlue
Deal found 9/29$344
This Delta deal was found by Cheapflights users on 9/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2310:59 pmPHX - LIR
1 stop12h 01mDelta
Mon 11/32:05 pmLIR - PHX
1 stop10h 51mDelta
Deal found 9/28$345
This Kiwi.com deal was found by Cheapflights users on 9/27. 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.
Sun 11/21:00 pmPHX - SJO
1 stop22h 25mMultiple Airlines
Fri 11/72:20 amSJO - PHX
2 stops15h 46mMultiple Airlines
Deal found 9/27$345
This Kiwi.com deal was found by Cheapflights users on 9/27. 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.
Mon 10/1310:58 amPHX - SJO
1 stop23h 32mSpirit Airlines
Wed 11/51:30 pmSJO - PHX
1 stop23h 35mSpirit Airlines
Deal found 9/27$353
This American Airlines deal was found by Cheapflights users on 9/27. 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 11/311:58 pmPHX - SJO
1 stop11h 14mAmerican Airlines
Mon 11/106:22 amSJO - PHX
1 stop11h 24mAmerican Airlines
Deal found 9/27$354

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 September 29, 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

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Thu 10/23

10:59 pm-12:00 pm

1 stop12h 01m

Liberia

Fri 10/31

1:05 pm-11:00 pm

1 stop10h 55m

$335

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Thu 10/23

10:59 pm-12:00 pm

1 stop12h 01m

Liberia

Thu 10/30

1:05 pm-11:00 pm

1 stop10h 55m

$335

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Sat 10/25

10:59 pm-12:00 pm

1 stop12h 01m

Liberia

Sat 11/1

1:05 pm-11:00 pm

1 stop10h 55m

$345

PhoenixLiberia

PHX - LIR

PHXLIR

Phoenix Sky Harbor Intl

Fri 10/24

10:59 pm-12:00 pm

1 stop12h 01m

Liberia

Sun 11/2

2:05 pm-11:56 pm

1 stop10h 51m

$345

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Sat 10/18

7:46 pm-7:15 am

1 stop10h 29m

San José Juan Santamaria Intl

Tue 10/21

7:55 am-9:15 pm

1 stop14h 20m

$354

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Tue 10/28

10:34 am-7:39 pm

1 stop8h 05m

San José Juan Santamaria Intl

Tue 11/4

8:45 am-9:21 pm

2 stops13h 36m

$354

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Sat 10/11

7:46 pm-7:15 am

1 stop10h 29m

San José Juan Santamaria Intl

Tue 11/11

12:35 pm-10:15 pm

1 stop10h 40m

$354

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Sat 1/17

11:30 am-8:39 pm

1 stop8h 09m

San José Juan Santamaria Intl

Wed 1/28

6:30 am-6:49 pm

1 stop13h 19m

$354

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Tue 1/27

11:30 am-8:39 pm

1 stop8h 09m

San José Juan Santamaria Intl

Tue 2/10

6:30 am-6:49 pm

1 stop13h 19m

$354

PhoenixSan José

PHX - SJO

PHXSJO

Phoenix Sky Harbor Intl

Tue 11/11

11:34 am-8:39 pm

1 stop8h 05m

San José Juan Santamaria Intl

Tue 11/18

8:45 am-8:36 pm

1 stop12h 51m

$354

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/27

Showing 1-10 of 32 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 $553). 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 September 29, 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.

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 September 29, 2025.
Read reviews from past customers who have flown Southwest, Delta, and Copa 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
8.0
Very good
4,245 reviews

Food

7.0

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,245 reviews
Southwest
8.0
Very good
4,245 reviews

Food

7.0

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,964 reviews
Southwest
8.0
Very good
4,245 reviews

Food

7.0

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Copa Airlines
7.6
Good
1,542 reviews
Southwest
8.0
Very good
4,245 reviews

Food

7.0

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,924 reviews
Southwest
8.0
Very good
4,245 reviews

Food

7.0

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,245 reviews

Food

7.0

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 10h 29m. Fly via Delta or United Airlines 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 Delta ($147), United Airlines ($161), and American Airlines ($161).

  • 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 $553). 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 5 airlines flying from Sky Harbor Intl to Costa Rica

Discover the top 5 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 September 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$310Average$622FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$354Average$632FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$363Average$642FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$383Average$651FlexibilityNo cancel feeOn-time69%
Copa AirlinesCheapest$620Average$764FlexibilityNo cancel feeOn-time70%

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