What is the cheapest airline that flies from Philadelphia to Costa Rica?

United Airlines, JetBlue, and American Airlines are the most popular carriers operating from Philadelphia to Costa Rica

What airlines fly to Costa Rica?

United Airlines, JetBlue and American Airlines are the top three most popular airlines that fly to Costa Rica from Philadelphia according to our data. United Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Costa Rica. Keep in mind that there are 11 different airlines that fly to Costa Rica on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Philadelphia Airport to Costa Rica?

Prices for flights from Philadelphia Airport to Costa Rica refresh daily.

How many operators does momondo search for flights from Philadelphia Airport to Costa Rica?

There are 8 operators available for flights from Philadelphia Airport to Costa Rica as of May 2026.

How old do you have to be to fly from Philadelphia Airport to Costa Rica?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Philadelphia Airport to Costa Rica.

What documentation or ID do you need to fly to Costa Rica?

The travel and health documents you'll need for your trip to Costa Rica may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Costa Rica. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$152 Cheap Flights from Philadelphia to Costa Rica in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Philadelphia to Costa Rica

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:10 am - 7:37 pm

PHL

SJO

15h 27m

2 stops

11:35 am - 10:30 pm

SJO

PHL

8h 55m

1 stop

$358United Airlines

mar., oct. 20 - mer., oct. 28

7:45 pm - 9:50 am

PHL

LIR

16h 05m

2 stops

11:10 am - 10:57 pm

LIR

PHL

9h 47m

1 stop

$358United Airlines

ven., mai 29 - mar., juin 2

6:04 am - 1:11 pm

PHL

LIR

9h 07m

1 stop

3:13 pm - 9:25 am

LIR

PHL

17h 12m

1 stop

$360American Airlines

lun., sept. 7 - lun., nov. 23

8:10 am - 12:55 pm

PHL

LIR

6h 45m

1 stop

2:05 pm - 11:44 pm

LIR

PHL

7h 39m

1 stop

$362JetBlue

mer., sept. 9 - mer., sept. 16

10:30 am - 7:37 pm

PHL

SJO

11h 07m

2 stops

7:55 am - 10:31 pm

SJO

PHL

12h 36m

1 stop

$363United Airlines

ven., août 28 - sam., sept. 5

6:45 am - 12:00 pm

PHL

LIR

7h 15m

1 stop

2:05 pm - 12:21 am

LIR

PHL

9h 16m

1 stop

$370Delta

dim., sept. 6 - mer., nov. 25

5:30 am - 12:00 pm

PHL

LIR

8h 30m

1 stop

2:05 pm - 12:21 am

LIR

PHL

9h 16m

1 stop

$372Delta

mer., sept. 9 - mer., nov. 25

9:16 pm - 8:20 am

PHL

SJO

13h 04m

1 stop

9:35 am - 11:43 pm

SJO

PHL

12h 08m

1 stop

$372Frontier

jeu., août 27 - lun., août 31

7:20 pm - 2:13 pm

PHL

LIR

19h 53m

1 stop

1:21 pm - 9:25 am

LIR

PHL

19h 04m

1 stop

$381American Airlines

sam., nov. 7 - lun., nov. 16

9:16 pm - 8:19 am

PHL

SJO

13h 03m

1 stop

9:35 am - 12:40 am

SJO

PHL

13h 05m

1 stop

$382Frontier

sam., mai 30 - jeu., juin 4

Frontier flights from Philadelphia to Costa Rica

Our best Frontier deals on Philadelphia to Costa Rica flight tickets

Frontier

Aug 27

PHL9:16 pmPhiladelphia

13h 04m

1 stop

SJO8:20 amSan José Juan Santamaria Intl

Aug 31

SJO9:35 amSan José Juan Santamaria Intl

12h 08m

1 stop

PHL11:43 pmPhiladelphia

$372

Frontier

May 30

PHL9:16 pmPhiladelphia

13h 03m

1 stop

SJO8:19 amSan José Juan Santamaria Intl

Jun 4

SJO9:35 amSan José Juan Santamaria Intl

13h 05m

1 stop

PHL12:40 amPhiladelphia

$382

Frontier

Aug 22

PHL9:16 pmPhiladelphia

13h 04m

1 stop

SJO8:20 amSan José Juan Santamaria Intl

Aug 24

SJO9:35 amSan José Juan Santamaria Intl

21h 16m

1 stop

PHL8:51 amPhiladelphia

$430

Avianca flights from Philadelphia to Costa Rica

Our best Avianca deals on Philadelphia to Costa Rica flight tickets

Avianca

Sep 7

PHL7:40 pmPhiladelphia

14h 50m

2 stops

SJO8:30 amSan José Juan Santamaria Intl

Sep 15

SJO5:25 pmSan José Juan Santamaria Intl

14h 21m

2 stops

PHL9:46 amPhiladelphia

$456

Avianca

Aug 17

PHL7:40 pmPhiladelphia

14h 50m

2 stops

SJO8:30 amSan José Juan Santamaria Intl

Aug 24

SJO7:45 pmSan José Juan Santamaria Intl

11h 58m

2 stops

PHL9:43 amPhiladelphia

$457

Avianca

Aug 26

PHL7:40 pmPhiladelphia

15h 05m

2 stops

SJO8:45 amSan José Juan Santamaria Intl

Sep 2

SJO7:45 pmSan José Juan Santamaria Intl

11h 58m

2 stops

PHL9:43 amPhiladelphia

$459

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

mar. 10/20

6:10 am-7:37 pm

2 stops15h 27m

San José Juan Santamaria Intl

mer. 10/28

11:35 am-10:30 pm

1 stop8h 55m

$358

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

ven. 5/29

7:45 pm-9:50 am

2 stops16h 05m

Liberia

mar. 6/2

11:10 am-10:57 pm

1 stop9h 47m

$358

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

lun. 9/7

6:04 am-1:11 pm

1 stop9h 07m

Liberia

lun. 11/23

3:13 pm-9:25 am

1 stop17h 12m

$360

Quickest round-trip

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

mer. 9/9

8:10 am-12:55 pm

1 stop6h 45m

Liberia

mer. 9/16

2:05 pm-11:44 pm

1 stop7h 39m

$362

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

ven. 8/28

10:30 am-7:37 pm

2 stops11h 07m

San José Juan Santamaria Intl

sam. 9/5

7:55 am-10:31 pm

1 stop12h 36m

$363

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

dim. 9/6

6:45 am-12:00 pm

1 stop7h 15m

Liberia

mer. 11/25

2:05 pm-12:21 am

1 stop9h 16m

$370

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

mer. 9/9

5:30 am-12:00 pm

1 stop8h 30m

Liberia

mer. 11/25

2:05 pm-12:21 am

1 stop9h 16m

$372

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

jeu. 8/27

9:16 pm-8:20 am

1 stop13h 04m

San José Juan Santamaria Intl

lun. 8/31

9:35 am-11:43 pm

1 stop12h 08m

$372

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

sam. 11/7

7:20 pm-2:13 pm

1 stop19h 53m

Liberia

lun. 11/16

1:21 pm-9:25 am

1 stop19h 04m

$381

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

sam. 5/30

9:16 pm-8:19 am

1 stop13h 03m

San José Juan Santamaria Intl

jeu. 6/4

9:35 am-12:40 am

1 stop13h 05m

$382

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Philadelphia to Costa Rica

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Costa Rica?

The cheapest month to fly to Costa Rica from Philadelphia is in February. Flight prices, which tend to average around $104, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in February, then June is your next best option. Flight prices from Philadelphia to Costa Rica during June average around $118.

What is the cheapest Philadelphia to Costa Rica flight route?

Fly from Philadelphia to Liberia for the best Philadelphia - Costa Rica flight prices

How far in advance should I book a flight from Philadelphia to Costa Rica?

You are more likely to see cheaper flights to Costa Rica from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Costa Rica for around $476 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Costa Rica from Philadelphia for as low as $351 on momondo.

Can stopping save me money on Philadelphia to Costa Rica flights?

You could potentially save up to 4% on your flight if you consider stops on a Philadelphia to Costa Rica flight.

Cheap Philadelphia to Costa Rica flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Costa Rica

Fastest flight time	6h 46m
Direct flights	None

The fastest flight from Philadelphia to Costa Rica takes 6h 46m

There are no direct flights from Philadelphia to Costa Rica. There are no popular flight routes from Philadelphia to Costa Rica.

Search flight deals

Frequently asked questions about flying from Philadelphia to Costa Rica

When did momondo last update prices for flights from Philadelphia Airport to Costa Rica?
Prices for flights from Philadelphia Airport to Costa Rica refresh daily.
How many operators does momondo search for flights from Philadelphia Airport to Costa Rica?
There are 8 operators available for flights from Philadelphia Airport to Costa Rica as of May 2026.
How old do you have to be to fly from Philadelphia Airport to Costa Rica?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Philadelphia Airport to Costa Rica.
What documentation or ID do you need to fly to Costa Rica?
The travel and health documents you'll need for your trip to Costa Rica may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Costa Rica. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Philadelphia to Costa Rica?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Philadelphia to Costa Rica is Boeing 737-800 (53.33% of total bookings). The next most popular plane models are Airbus A321-100/200 (33.33%), Boeing 737 MAX 8 (6.67%), and Airbus A320-100/200 (6.67%).

Best airlines flying from Philadelphia to Costa Rica

Compare and see reviews for airlines that fly from Philadelphia to Costa Rica with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $141	Free Cancellation	Rating 5.6 2,946 reviews	Search Frontier flights
Delta	PriceFrom $195	Free Cancellation	Rating 7.9 8,447 reviews	Search Delta flights
Spirit Airlines	PriceFrom $209	Free Cancellation	Rating 6.2 8,619 reviews	Search Spirit Airlines flights
United Airlines	PriceFrom $249	Free Cancellation	Rating 7.4 9,737 reviews	Search United Airlines flights
JetBlue	PriceFrom $251	Free Cancellation	Rating 7.1 2,979 reviews	Search JetBlue flights
Southwest	PriceFrom $285	Free Cancellation	Rating 7.9 4,287 reviews	Search Southwest flights
American Airlines	PriceFrom $289	Free Cancellation	Rating 7.1 11,648 reviews	Search American Airlines flights
GOL	PriceFrom $480	Free Cancellation	Rating 7.3 1,221 reviews	Search GOL flights

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Costa Rica?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Philadelphia to Costa Rica. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Philadelphia to Costa Rica with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Philadelphia to Costa Rica flights to just show those with flexible booking policies.

How can momondo help me find flights from Philadelphia to Costa Rica?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Costa Rica from Philadelphia.

I’m not ready to book a flight from Philadelphia to Costa Rica right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Costa Rica, momondo offers a useful price alert feature which will track prices for flights to Costa Rica from Philadelphia and alert you when they change.

An easier way to manage your Costa Rica trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

mar. 6/16

mar. 6/23

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Costa Rica

Popular cities

Other flights from Philadelphia

Other flights to Costa Rica

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Costa Rica

Flights to San Joséfrom $276

Flights to Liberiafrom $287

Flights to Limon

Flights to Tortuguero

Flights to Tamarindo

Flights to Golfito

Flights to Tambor

Cheap flights from Philadelphia to Costa Rica from $152

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Costa Rica departing on 7/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Philadelphia to Costa Rica

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Frontier flights from Philadelphia to Costa Rica

Our best Frontier deals on Philadelphia to Costa Rica flight tickets

Avianca flights from Philadelphia to Costa Rica

Our best Avianca deals on Philadelphia to Costa Rica flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Philadelphia to Costa Rica that are best for you.

See travel insights to Costa Rica from

How to get the cheapest flight ticket from Philadelphia to Costa Rica

What is the cheapest month to fly to Costa Rica?

What is the cheapest Philadelphia to Costa Rica flight route?

How far in advance should I book a flight from Philadelphia to Costa Rica?

Can stopping save me money on Philadelphia to Costa Rica flights?

What is the cheapest airline that flies from Philadelphia to Costa Rica?

What airlines fly to Costa Rica?

Cheap Philadelphia to Costa Rica flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Costa Rica

Fastest flight time

Direct flights

Frequently asked questions about flying from Philadelphia to Costa Rica

Best airlines flying from Philadelphia to Costa Rica

Compare and see reviews for airlines that fly from Philadelphia to Costa Rica with momondo

Why use momondo?

An easier way to manage your Costa Rica trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Costa Rica

Popular cities in Costa Rica

Popular flights according to clicks in the last 7 days on momondo

Philadelphia flight routes

According to popular flight searches on momondo this year

Costa Rica flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Costa Rica

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Costa Rica

List of cabin classes available on flights landing in Costa Rica. Availability may vary depending on flight origin and airline.

Complete your trip to Costa Rica

Explore popular destinations other users love

According to popular flight searches on momondo this year