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

JetBlue, United Airlines, and Delta 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 46% of people opting to fly with this airline when traveling to Costa Rica. Keep in mind that there are 10 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 7 operators available for flights from Philadelphia Airport to Costa Rica as of June 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.

$175 Cheap Flights from Philadelphia to Costa Rica in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Philadelphia to Costa Rica

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:40 pm - 12:10 pm

PHL

LIR

18h 30m

2 stops

1:03 pm - 10:11 am

LIR

PHL

19h 08m

1 stop

$382United Airlines

Sat, Sep 19 - Sat, Sep 26

9:22 pm - 1:50 pm

PHL

LIR

17h 28m

2 stops

1:21 pm - 11:46 pm

LIR

PHL

9h 25m

1 stop

$387American Airlines

Sun, Dec 13 - Mon, Dec 21

6:16 am - 12:10 pm

PHL

LIR

7h 54m

1 stop

1:03 pm - 12:25 pm

LIR

PHL

21h 22m

1 stop

$390United Airlines

Sat, Sep 19 - Sat, Sep 26

8:23 pm - 1:47 pm

PHL

LIR

19h 24m

1 stop

2:18 pm - 11:52 am

LIR

PHL

19h 34m

1 stop

$392American Airlines

Wed, Sep 9 - Sun, Sep 13

8:23 pm - 1:47 pm

PHL

LIR

19h 24m

1 stop

2:18 pm - 8:15 am

LIR

PHL

15h 57m

2 stops

$397American Airlines

Wed, Sep 9 - Sun, Sep 13

10:30 am - 7:53 pm

PHL

SJO

11h 23m

2 stops

6:00 am - 11:40 pm

SJO

PHL

15h 40m

2 stops

$399American Airlines

Wed, Aug 26 - Wed, Sep 2

7:38 pm - 12:26 pm

PHL

SJO

18h 48m

1 stop

1:29 pm - 7:40 am

SJO

PHL

16h 11m

1 stop

$402American Airlines

Sat, Aug 15 - Mon, Aug 17

5:00 am - 1:58 pm

PHL

SJO

10h 58m

1 stop

2:45 pm - 10:47 am

SJO

PHL

18h 02m

2 stops

$431GOL

Sun, Oct 25 - Sat, Oct 31

3:25 pm - 8:20 pm

PHL

SJO

30h 55m

1 stop

7:10 am - 10:46 pm

SJO

PHL

13h 36m

1 stop

$433Air Canada

Tue, Aug 18 - Wed, Aug 26

3:20 pm - 1:40 pm

PHL

LIR

23h 20m

1 stop

2:55 pm - 2:44 pm

LIR

PHL

22h 49m

2 stops

$435Air Canada

Mon, Nov 2 - Sat, Nov 7

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

Southwest flights from Philadelphia to Costa Rica

Our best Southwest deals on Philadelphia to Costa Rica flight tickets

Southwest

Aug 26

PHL7:55 amPhiladelphia

12h 45m

2 stops

SJO6:40 pmSan José Juan Santamaria Intl

Sep 28

SJO9:00 amSan José Juan Santamaria Intl

11h 00m

2 stops

PHL10:00 pmPhiladelphia

$456

Southwest

Sep 14

PHL6:20 amPhiladelphia

14h 20m

2 stops

SJO6:40 pmSan José Juan Santamaria Intl

Sep 20

SJO9:00 amSan José Juan Santamaria Intl

12h 30m

1 stop

PHL11:30 pmPhiladelphia

$512

Frontier flights from Philadelphia to Costa Rica

Our best Frontier deals on Philadelphia to Costa Rica flight tickets

Frontier

Aug 8

PHL9:16 pmPhiladelphia

13h 04m

1 stop

SJO8:20 amSan José Juan Santamaria Intl

Aug 13

SJO9:35 amSan José Juan Santamaria Intl

13h 16m

1 stop

PHL12:51 amPhiladelphia

$470

Frontier

Aug 8

PHL9:16 pmPhiladelphia

13h 04m

1 stop

SJO8:20 amSan José Juan Santamaria Intl

Aug 13

SJO9:35 amSan José Juan Santamaria Intl

13h 16m

1 stop

PHL12:51 amPhiladelphia

$478

Frontier

Jun 27

PHL9:16 pmPhiladelphia

13h 04m

1 stop

SJO8:20 amSan José Juan Santamaria Intl

Jul 4

SJO9:35 amSan José Juan Santamaria Intl

12h 33m

1 stop

PHL12:08 amPhiladelphia

$598

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Sat 9/19

7:40 pm-12:10 pm

2 stops18h 30m

Liberia

Sat 9/26

1:03 pm-10:11 am

1 stop19h 08m

$382

Quickest round-trip

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Sun 12/13

9:22 pm-1:50 pm

2 stops17h 28m

Liberia

Mon 12/21

1:21 pm-11:46 pm

1 stop9h 25m

$387

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Sat 9/19

6:16 am-12:10 pm

1 stop7h 54m

Liberia

Sat 9/26

1:03 pm-12:25 pm

1 stop21h 22m

$390

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Wed 9/9

8:23 pm-1:47 pm

1 stop19h 24m

Liberia

Sun 9/13

2:18 pm-11:52 am

1 stop19h 34m

$392

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Wed 9/9

8:23 pm-1:47 pm

1 stop19h 24m

Liberia

Sun 9/13

2:18 pm-8:15 am

2 stops15h 57m

$397

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Wed 8/26

10:30 am-7:53 pm

2 stops11h 23m

San José Juan Santamaria Intl

Wed 9/2

6:00 am-11:40 pm

2 stops15h 40m

$399

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Sat 8/15

7:38 pm-12:26 pm

1 stop18h 48m

San José Juan Santamaria Intl

Mon 8/17

1:29 pm-7:40 am

1 stop16h 11m

$402

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Sun 10/25

5:00 am-1:58 pm

1 stop10h 58m

San José Juan Santamaria Intl

Sat 10/31

2:45 pm-10:47 am

2 stops18h 02m

$431

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Tue 8/18

3:25 pm-8:20 pm

1 stop30h 55m

San José Juan Santamaria Intl

Wed 8/26

7:10 am-10:46 pm

1 stop13h 36m

$433

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Mon 11/2

3:20 pm-1:40 pm

1 stop23h 20m

Liberia

Sat 11/7

2:55 pm-2:44 pm

2 stops22h 49m

$435

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 April is your next best option. Flight prices from Philadelphia to Costa Rica during April average around $119.

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 $499 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 $346 on momondo.

What cabin class options are available on Philadelphia to Costa Rica flights?

There is only 1 cabin class available to choose from on Philadelphia to Costa Rica flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

You could potentially save up to 7% 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

Best Price Found	$725
Fastest flight time	5h 09m
Direct flights	Sun
Airports in Costa Rica	40 airports

The best flight deal from Philadelphia to Costa Rica found on momondo in the last 72 hours is $725

The fastest flight from Philadelphia to Costa Rica takes 5h 09m

Direct flights go from Philadelphia to Costa Rica on Sunday. There are no airlines offering direct flights.

There are 40 airports in Costa Rica. From Philadelphia there are direct flights to Liberia (LIR).

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 7 operators available for flights from Philadelphia Airport to Costa Rica as of June 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 (81.48% of total bookings). The next most popular plane models are Airbus A321-100/200 (11.11%), Boeing 737 MAX 8 (3.70%), and Airbus A320-100/200 (3.70%).

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 $146	Free Cancellation	Rating 5.6 2,869 reviews	Search Frontier flights
Delta	PriceFrom $170	Free Cancellation	Rating 7.8 8,428 reviews	Search Delta flights
United Airlines	PriceFrom $249	Free Cancellation	Rating 7.4 9,878 reviews	Search United Airlines flights
JetBlue	PriceFrom $270	Free Cancellation	Rating 7.1 3,003 reviews	Search JetBlue flights
American Airlines	PriceFrom $289	Free Cancellation	Rating 7.1 11,748 reviews	Search American Airlines flights
Southwest	PriceFrom $437	Free Cancellation	Rating 7.9 4,242 reviews	Search Southwest flights
GOL	PriceFrom $480	Free Cancellation	Rating 7.3 1,238 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

Thu 7/23

Thu 7/30

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 $219

Flights to Liberiafrom $295

Flights to Limon

Flights to Tortuguero

Flights to Tamarindo

Flights to Golfito

Flights to Tambor

Cheap flights from Philadelphia to Costa Rica from $162

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 10/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Philadelphia to Costa Rica

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

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

Southwest flights from Philadelphia to Costa Rica

Our best Southwest deals on Philadelphia to Costa Rica flight tickets

Frontier flights from Philadelphia to Costa Rica

Our best Frontier 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?

What cabin class options are available on Philadelphia to Costa Rica flights?

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

Best Price Found

Fastest flight time

Direct flights

Airports in Costa Rica

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