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

American Airlines, 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 48% 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 7 operators available for flights from Philadelphia Airport to Costa Rica as of August 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.

$148 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:15 am - 6:53 pmPHL Philadelphia-SJO San José Juan Santamaria Intl

14h 38m2 stops Chicago O'Hare Intl Newark

11:35 am - 10:57 pmSJO San José Juan Santamaria Intl-PHL Philadelphia

9h 22m1 stop Houston George Bush Intcntl

$346United Airlines

Tue, Oct 27 - Fri, Oct 30

6:15 am - 7:39 pmPHL Philadelphia-SJO San José Juan Santamaria Intl

15h 24m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

8:45 am - 6:41 pmSJO San José Juan Santamaria Intl-PHL Philadelphia

8h 56m1 stop Houston George Bush Intcntl

$346United Airlines

Tue, Oct 27 - Wed, Nov 4

1:10 pm - 8:21 pmPHL Philadelphia-SJO San José Juan Santamaria Intl

9h 11m1 stop Miami

6:00 am - 5:08 pmSJO San José Juan Santamaria Intl-PHL Philadelphia

9h 08m1 stop Miami

$346American Airlines

Wed, Oct 7 - Tue, Oct 13

8:32 pm - 2:00 pmPHL Philadelphia-SJO San José Juan Santamaria Intl

19h 28m1 stop Dallas/Fort Worth

2:07 pm - 7:39 amSJO San José Juan Santamaria Intl-PHL Philadelphia

16h 32m1 stop Charlotte Douglas

$346American Airlines

Tue, Oct 27 - Wed, Nov 4

8:00 am - 10:15 pmPHL Philadelphia-SJO San José Juan Santamaria Intl

15h 15m1 stop Atlanta Hartsfield-Jackson

7:00 am - 8:55 pmSJO San José Juan Santamaria Intl-PHL Philadelphia

12h 55m1 stop Atlanta Hartsfield-Jackson

$346Delta

Mon, Nov 16 - Thu, Nov 19

6:40 am - 10:15 pmPHL Philadelphia-SJO San José Juan Santamaria Intl

16h 35m1 stop Atlanta Hartsfield-Jackson

2:30 pm - 12:55 amSJO San José Juan Santamaria Intl-PHL Philadelphia

9h 25m1 stop Atlanta Hartsfield-Jackson

$346Delta

Mon, Nov 16 - Wed, Nov 18

10:35 am - 1:10 pmPHL Philadelphia-LIR Liberia

28h 35m1 stop Toronto Pearson Intl

2:20 pm - 3:44 pmLIR Liberia-PHL Philadelphia

23h 24m1 stop Montreal Pierre Elliott Trudeau Intl

$379Air Canada

Sat, Oct 24 - Sat, Oct 31

3:25 pm - 1:10 pmPHL Philadelphia-LIR Liberia

23h 45m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

2:20 pm - 3:44 pmLIR Liberia-PHL Philadelphia

23h 24m1 stop Montreal Pierre Elliott Trudeau Intl

$382Air Canada

Sat, Oct 24 - Sat, Oct 31

7:55 am - 7:40 pmPHL Philadelphia-SJO San José Juan Santamaria Intl

13h 45m2 stops Chicago Midway Houston Hobby

9:00 am - 10:10 pmSJO San José Juan Santamaria Intl-PHL Philadelphia

11h 10m1 stop Orlando

$383Southwest

Sat, Oct 24 - Wed, Oct 28

7:25 am - 12:35 pmPHL Philadelphia-SJO San José Juan Santamaria Intl

7h 10m1 stop Orlando

1:30 pm - 11:40 amSJO San José Juan Santamaria Intl-PHL Philadelphia

20h 10m2 stops Houston Hobby Orlando

$434Southwest

Mon, Oct 26 - Thu, Oct 29

Cheap last minute flights

Enter your travel dates to find the best prices.

9:50 pm - 11:29 amPHL Philadelphia-LIR Liberia

15h 39m1 stop Miami

2:47 pm - 9:36 amLIR Liberia-PHL Philadelphia

16h 49m1 stop Miami

$530American Airlines

Tue, Aug 25 - Thu, Sep 24

9:50 pm - 11:29 amPHL Philadelphia-LIR Liberia

15h 39m1 stop Miami

2:47 pm - 7:40 amLIR Liberia-PHL Philadelphia

14h 53m2 stops Miami Charlotte Douglas

$535American Airlines

Tue, Aug 25 - Thu, Sep 24

7:38 pm - 11:29 amPHL Philadelphia-LIR Liberia

17h 51m2 stops Charlotte Douglas Miami

2:47 pm - 9:48 amLIR Liberia-PHL Philadelphia

17h 01m2 stops Miami Chicago O'Hare Intl

$535American Airlines

Tue, Aug 25 - Thu, Sep 24

3:25 pm - 8:20 pmPHL Philadelphia-SJO San José Juan Santamaria Intl

30h 55m1 stop Montreal Pierre Elliott Trudeau Intl

7:15 am - 2:49 pmSJO San José Juan Santamaria Intl-PHL Philadelphia

29h 34m1 stop Montreal Pierre Elliott Trudeau Intl

$668Air Canada

Thu, Aug 27 - Mon, Aug 31

3:25 pm - 8:20 pmPHL Philadelphia-SJO San José Juan Santamaria Intl

30h 55m1 stop Montreal Pierre Elliott Trudeau Intl

7:15 am - 10:09 amSJO San José Juan Santamaria Intl-PHL Philadelphia

24h 54m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

$677Air Canada

Thu, Aug 27 - Mon, Aug 31

3:25 pm - 8:20 pmPHL Philadelphia-SJO San José Juan Santamaria Intl

30h 55m1 stop Montreal Pierre Elliott Trudeau Intl

7:15 am - 9:34 pmSJO San José Juan Santamaria Intl-PHL Philadelphia

12h 19m1 stop Montreal Pierre Elliott Trudeau Intl

$678Air Canada

Thu, Aug 27 - Mon, Aug 31

1:06 pm - 7:37 pmPHL Philadelphia-SJO San José Juan Santamaria Intl

8h 31m1 stop Houston George Bush Intcntl

7:55 am - 10:31 pmSJO San José Juan Santamaria Intl-PHL Philadelphia

12h 36m1 stop Houston George Bush Intcntl

$696United Airlines

Tue, Aug 25 - Mon, Sep 21

8:20 am - 7:37 pmPHL Philadelphia-SJO San José Juan Santamaria Intl

13h 17m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

7:55 am - 10:31 pmSJO San José Juan Santamaria Intl-PHL Philadelphia

12h 36m1 stop Houston George Bush Intcntl

$701United Airlines

Tue, Aug 25 - Mon, Sep 21

10:10 pm - 11:29 amPHL Philadelphia-LIR Liberia

15h 19m2 stops Chicago O'Hare Intl Miami

12:35 pm - 9:54 amLIR Liberia-PHL Philadelphia

19h 19m2 stops Miami Chicago O'Hare Intl

$727GOL

Tue, Aug 25 - Tue, Sep 1

6:00 am - 11:29 amPHL Philadelphia-LIR Liberia

7h 29m1 stop Miami

12:35 pm - 9:54 amLIR Liberia-PHL Philadelphia

19h 19m2 stops Miami Chicago O'Hare Intl

$727GOL

Tue, Aug 25 - Tue, Sep 1

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GOL flights from Philadelphia to Costa Rica

Our best GOL deals on Philadelphia to Costa Rica flight tickets

GOL

Oct 26

PHL7:50 pmPhiladelphia

26h 31m

1 stop

SJO8:21 pmSan José Juan Santamaria Intl

Oct 29

SJO6:00 amSan José Juan Santamaria Intl

11h 04m

1 stop

PHL7:04 pmPhiladelphia

$433

GOL

Oct 20

PHL11:28 amPhiladelphia

10h 53m

1 stop

SJO8:21 pmSan José Juan Santamaria Intl

Oct 24

SJO6:00 amSan José Juan Santamaria Intl

10h 52m

1 stop

PHL6:52 pmPhiladelphia

$455

GOL

Oct 20

PHL10:30 amPhiladelphia

11h 51m

2 stops

SJO8:21 pmSan José Juan Santamaria Intl

Oct 24

SJO3:01 pmSan José Juan Santamaria Intl

7h 50m

1 stop

PHL12:51 amPhiladelphia

$459

Southwest flights from Philadelphia to Costa Rica

Our best Southwest deals on Philadelphia to Costa Rica flight tickets

Southwest

Oct 26

PHL6:25 amPhiladelphia

15h 15m

2 stops

SJO7:40 pmSan José Juan Santamaria Intl

Oct 29

SJO1:30 pmSan José Juan Santamaria Intl

20h 10m

2 stops

PHL11:40 amPhiladelphia

$434

Southwest

Oct 1

PHL6:25 amPhiladelphia

15h 15m

2 stops

SJO7:40 pmSan José Juan Santamaria Intl

Oct 5

SJO9:00 amSan José Juan Santamaria Intl

12h 50m

2 stops

PHL11:50 pmPhiladelphia

$469

Southwest

Oct 22

PHL6:55 amPhiladelphia

14h 45m

2 stops

SJO7:40 pmSan José Juan Santamaria Intl

Oct 25

SJO9:00 amSan José Juan Santamaria Intl

12h 45m

1 stop

PHL11:45 pmPhiladelphia

$482

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaSan José

PHL Philadelphia - SJO San José Juan Santamaria Intl

PHLSJO

Philadelphia

Tue 10/27

6:15 am-6:53 pm

2 stops14h 38m

San José Juan Santamaria Intl

Fri 10/30

11:35 am-10:57 pm

1 stop9h 22m

$346

PhiladelphiaSan José

PHL Philadelphia - SJO San José Juan Santamaria Intl

PHLSJO

Philadelphia

Tue 10/27

6:15 am-7:39 pm

2 stops15h 24m

San José Juan Santamaria Intl

Wed 11/4

8:45 am-6:41 pm

1 stop8h 56m

$346

Quickest round-trip

PhiladelphiaSan José

PHL Philadelphia - SJO San José Juan Santamaria Intl

PHLSJO

Philadelphia

Wed 10/7

1:10 pm-8:21 pm

1 stop9h 11m

San José Juan Santamaria Intl

Tue 10/13

6:00 am-5:08 pm

1 stop9h 08m

$346

PhiladelphiaSan José

PHL Philadelphia - SJO San José Juan Santamaria Intl

PHLSJO

Philadelphia

Tue 10/27

8:32 pm-2:00 pm

1 stop19h 28m

San José Juan Santamaria Intl

Wed 11/4

2:07 pm-7:39 am

1 stop16h 32m

$346

PhiladelphiaSan José

PHL Philadelphia - SJO San José Juan Santamaria Intl

PHLSJO

Philadelphia

Mon 11/16

8:00 am-10:15 pm

1 stop15h 15m

San José Juan Santamaria Intl

Thu 11/19

7:00 am-8:55 pm

1 stop12h 55m

$346

PhiladelphiaSan José

PHL Philadelphia - SJO San José Juan Santamaria Intl

PHLSJO

Philadelphia

Mon 11/16

6:40 am-10:15 pm

1 stop16h 35m

San José Juan Santamaria Intl

Wed 11/18

2:30 pm-12:55 am

1 stop9h 25m

$346

PhiladelphiaLiberia

PHL Philadelphia - LIR Liberia

PHLLIR

Philadelphia

Sat 10/24

10:35 am-1:10 pm

1 stop28h 35m

Liberia

Sat 10/31

2:20 pm-3:44 pm

1 stop23h 24m

$379

PhiladelphiaLiberia

PHL Philadelphia - LIR Liberia

PHLLIR

Philadelphia

Sat 10/24

3:25 pm-1:10 pm

2 stops23h 45m

Liberia

Sat 10/31

2:20 pm-3:44 pm

1 stop23h 24m

$382

PhiladelphiaSan José

PHL Philadelphia - SJO San José Juan Santamaria Intl

PHLSJO

Philadelphia

Sat 10/24

7:55 am-7:40 pm

2 stops13h 45m

San José Juan Santamaria Intl

Wed 10/28

9:00 am-10:10 pm

1 stop11h 10m

$383

PhiladelphiaSan José

PHL Philadelphia - SJO San José Juan Santamaria Intl

PHLSJO

Philadelphia

Mon 10/26

7:25 am-12:35 pm

1 stop7h 10m

San José Juan Santamaria Intl

Thu 10/29

1:30 pm-11:40 am

2 stops20h 10m

$434

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 $408, 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 May is your next best option. Flight prices from Philadelphia to Costa Rica during May average around $433.

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 $500 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 $448 on momondo.

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

There are 2 cabin classes 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.

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	$148
Fastest flight time	5h 09m
Direct flights	Sun
Airports in Costa Rica	40 airports

The best one-way flight to Costa Rica from Philadelphia in the past 72 hours is $148. The best round-trip flight deal from Philadelphia to Costa Rica found on momondo in the last 72 hours is $346.

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 August 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 (63.16% of total bookings). The next most popular plane models are Airbus A321-100/200 (15.79%), Boeing 737 (10.53%), and Boeing 737 MAX 8 (5.26%).

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
Delta	PriceFrom $170	Free Cancellation	Rating 7.8 8,518 reviews	Search Delta flights
United Airlines	PriceFrom $218	Free Cancellation	Rating 7.4 10,109 reviews	Search United Airlines flights
JetBlue	PriceFrom $270	Free Cancellation	Rating 7.1 3,039 reviews	Search JetBlue flights
Frontier	PriceFrom $275	Free Cancellation	Rating 5.6 2,658 reviews	Search Frontier flights
American Airlines	PriceFrom $294	Free Cancellation	Rating 7.1 11,989 reviews	Search American Airlines flights
Southwest	PriceFrom $395	Free Cancellation	Rating 8.0 4,214 reviews	Search Southwest flights
GOL	PriceFrom $472	Free Cancellation	Rating 7.3 1,281 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.

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Flights to San Joséfrom $264

Flights to Liberiafrom $276

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Cheap flights from Philadelphia to Costa Rica from $148

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 10/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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GOL flights from Philadelphia to Costa Rica

Our best GOL deals on Philadelphia to Costa Rica flight tickets

Southwest flights from Philadelphia to Costa Rica

Our best Southwest deals on Philadelphia to Costa Rica flight tickets

momondo Fare Finder

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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?

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

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