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$136+ Cheap flights from Philadelphia (PHL) 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 7/24. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SJO
Jun 20 — Jun 271
Fri 6/20
Fri 6/27
1 adult, Economy
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Cheap flight deals from Philadelphia to Costa Rica

Keep the following information in mind while searching for Philadelphia to Costa Rica flight deals. Data was last updated June 15, 2025.

Round-trip from

$334
(Trip.com)

One-way from

$136
(Trip.com)

Popular in

December

Cheapest in

October

Average price

$606

Good round-trip deal

$620 or less
From Philadelphia to Costa Rica
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One-way flight from Philadelphia to Costa Rica
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Highest demand for flights based on searches. 12% potential increase in price ($75 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Philadelphia to Costa Rica.
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Find flight deals from Philadelphia to Costa Rica

Cheapest flights from Philadelphia to Costa Rica
Explore the most affordable flight options available from Philadelphia to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 15, 2025.

This Trip.com deal was found by Cheapflights users on 6/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/56:13 amPHL - SJO
1 stop11h 00mMultiple Airlines
Fri 8/87:30 amSJO - PHL
1 stop13h 51mMultiple Airlines
Deal found 6/13$334
This Cheapflightsfares deal was found by Cheapflights users on 6/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/117:05 pmPHL - SJO
1 stop17h 24mSpirit Airlines
Fri 7/1811:24 amSJO - PHL
1 stop18h 40mSpirit Airlines
Deal found 6/13$336
This FlightHub deal was found by Cheapflights users on 6/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/86:45 pmPHL - SJO
1 stop19h 46mFrontier
Sat 8/161:47 pmSJO - PHL
1 stop19h 17mFrontier
Deal found 6/14$371
This Air Canada deal was found by Cheapflights users on 6/14. 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.
Wed 11/53:30 pmPHL - LIR
1 stop23h 25mAir Canada
Sun 11/91:55 pmLIR - PHL
1 stop18h 56mAir Canada
Deal found 6/14$450
This Trip.com deal was found by Cheapflights users on 6/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/166:15 amPHL - SJO
1 stop23h 20mAvianca
Mon 6/234:20 pmSJO - PHL
2 stops19h 49mAvianca
Deal found 6/15$455
This Delta deal was found by Cheapflights users on 6/14. 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 10/245:55 amPHL - SJO
1 stop7h 53mDelta
Thu 10/301:13 pmSJO - PHL
1 stop9h 10mDelta
Deal found 6/14$502
This United Airlines deal was found by Cheapflights users on 6/13. 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.
Mon 6/306:20 amPHL - LIR
1 stop10h 03mUnited Airlines
Fri 7/43:25 pmLIR - PHL
2 stops21h 04mUnited Airlines
Deal found 6/13$505
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Thu 9/259:36 amPHL - SJO
2 stops12h 06mAmerican Airlines
Tue 9/306:00 amSJO - PHL
2 stops14h 13mAmerican Airlines
Deal found 6/14$506
This American Airlines deal was found by Cheapflights users on 6/15. 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 7/156:46 amPHL - LIR
1 stop8h 14mAmerican Airlines
Tue 7/223:45 pmLIR - PHL
2 stops14h 15mAmerican Airlines
Deal found 6/15$509
This Delta deal was found by Cheapflights users on 6/14. 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 7/45:30 amPHL - LIR
1 stop8h 30mDelta
Thu 7/101:25 pmLIR - PHL
1 stop9h 34mDelta
Deal found 6/14$654
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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 10/17:20 amPHL - LIR
3 stops25h 00mAlaska Airlines
Tue 10/710:00 amLIR - PHL
2 stops17h 40mAlaska Airlines
Deal found 6/14$665
This Mytrip deal was found by Cheapflights users on 6/14. 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.
Mon 6/306:20 amPHL - LIR
3 stops27h 25mMultiple Airlines
Fri 7/49:00 amLIR - PHL
2 stops11h 33mMultiple Airlines
Deal found 6/14$762

Cheapflights Fare Finder

Customize your flight search to find flights from Philadelphia 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 15, 2025.
Use the filters below to find and compare flights from Philadelphia to Costa Rica that are best for you.

Fly from

Philadelphia

Fly to

Costa Rica

Route

Depart

Return

Price

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Tue 8/5

6:13 am-3:13 pm

1 stop11h 00m

San José Juan Santamaria Intl

Fri 8/8

7:30 am-11:21 pm

1 stop13h 51m

$334

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Fri 7/11

7:05 pm-10:29 am

1 stop17h 24m

San José Juan Santamaria Intl

Fri 7/18

11:24 am-8:04 am

1 stop18h 40m

$336

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Fri 8/8

6:45 pm-12:31 pm

1 stop19h 46m

San José Juan Santamaria Intl

Sat 8/16

1:47 pm-11:04 am

1 stop19h 17m

$371

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Wed 11/5

3:30 pm-1:55 pm

1 stop23h 25m

Liberia

Sun 11/9

1:55 pm-9:51 am

1 stop18h 56m

$450

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Fri 10/24

5:55 am-11:48 am

1 stop7h 53m

San José Juan Santamaria Intl

Thu 10/30

1:13 pm-12:23 am

1 stop9h 10m

$502

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Mon 6/30

6:20 am-2:23 pm

1 stop10h 03m

Liberia

Fri 7/4

3:25 pm-2:29 pm

2 stops21h 04m

$505

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Thu 9/25

9:36 am-7:42 pm

2 stops12h 06m

San José Juan Santamaria Intl

Tue 9/30

6:00 am-10:13 pm

2 stops14h 13m

$506

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Tue 7/15

6:46 am-1:00 pm

1 stop8h 14m

Liberia

Tue 7/22

3:45 pm-8:00 am

2 stops14h 15m

$509

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Sun 8/3

8:15 pm-12:45 pm

2 stops18h 30m

San José Juan Santamaria Intl

Fri 8/8

8:50 am-10:10 pm

2 stops11h 20m

$515

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Fri 7/4

5:30 am-12:00 pm

1 stop8h 30m

Liberia

Thu 7/10

1:25 pm-12:59 am

1 stop9h 34m

$654

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/13

Showing 1-10 of 21 results
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Best time to book a flight from Philadelphia to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Philadelphia 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 Philadelphia to Costa Rica

What is the cheapest month to book a flight from Philadelphia to Costa Rica?

Currently, September is the cheapest month in which you can book a flight from Philadelphia to Costa Rica (average of $398). Flying from Philadelphia 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 PHL to CR?

Find hourly flight availability from Philadelphia 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 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Philadelphia to Costa Rica as you normally would.

What is the cheapest day to fly from Philadelphia to Costa Rica?

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

Travelers seeking maximum savings on their Philadelphia to Costa Rica flight should consider departing on Saturday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 15, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Philadelphia to Costa Rica to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

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

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

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
4,285 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

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
7,963 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

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
8,798 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

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.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

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 Philadelphia 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 airport do you fly from for flights from Philadelphia to Costa Rica?

    For a flight from Philadelphia to Costa Rica, you will be flying from Philadelphia. Philadelphia (PHL) is just 7.0 mi from the center of the city.

  • What are the cheapest airlines to fly from Philadelphia to Costa Rica one-way?

    $148 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Frontier and Avianca, with prices starting from $165 and $203, respectively.

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

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

  • How can I find direct flights from Philadelphia to Costa Rica?

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

  • Can I find deals for business class flights from Philadelphia to Costa Rica?

    Yes. Cheapflights offers flight deals from Philadelphia 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 Philadelphia to Costa Rica?

    Currently, September is the cheapest month in which you can book a flight from Philadelphia to Costa Rica (average of $398). Flying from Philadelphia 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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Alternative routes for Philadelphia to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Philadelphia to Costa Rica

Discover the top 6 airlines that operate flights from Philadelphia 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 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$217Average$297FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$265Average$432FlexibilityNo cancel feeOn-time65%
DeltaCheapest$348Average$609FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$385Average$668FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$462Average$690FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$512Average$639FlexibilityNo cancel feeOn-time63%

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