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

American Airlines, JetBlue, and Frontier 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 49% 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 October 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.

$143 Cheap Flights from Philadelphia to Costa Rica in 2026/27

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 - 2:42 pmPHL Philadelphia-LIR Liberia

20h 02m1 stop Dallas/Fort Worth

3:42 pm - 9:41 amLIR Liberia-PHL Philadelphia

16h 59m1 stop Miami

$318American Airlines

Sat, Jan 30 - Tue, Feb 2

6:00 am - 1:18 pmPHL Philadelphia-LIR Liberia

9h 18m1 stop Miami

2:44 pm - 12:51 amLIR Liberia-PHL Philadelphia

8h 07m1 stop Miami

$318American Airlines

Mon, Oct 26 - Fri, Oct 30

5:30 am - 12:45 pmPHL Philadelphia-LIR Liberia

8h 15m1 stop Atlanta Hartsfield-Jackson

1:50 pm - 10:40 amLIR Liberia-PHL Philadelphia

19h 50m1 stop Minneapolis St Paul

$318Delta

Wed, Jan 13 - Wed, Jan 20

7:15 pm - 12:35 pmPHL Philadelphia-LIR Liberia

18h 20m1 stop Minneapolis St Paul

1:50 pm - 10:40 amLIR Liberia-PHL Philadelphia

19h 50m1 stop Minneapolis St Paul

$318Delta

Tue, Jan 12 - Wed, Jan 20

6:46 pm - 10:54 amPHL Philadelphia-LIR Liberia

18h 08m2 stops Chicago O'Hare Intl Newark

1:20 pm - 9:49 amLIR Liberia-PHL Philadelphia

18h 29m2 stops Houston George Bush Intcntl Washington, D.C. Dulles Intl

$323United Airlines

Mon, Oct 26 - Fri, Oct 30

5:45 pm - 1:10 pmPHL Philadelphia-LIR Liberia

20h 25m1 stop Houston George Bush Intcntl

2:06 pm - 10:20 amLIR Liberia-PHL Philadelphia

19h 14m1 stop Chicago O'Hare Intl

$340United Airlines

Wed, Jan 6 - Wed, Jan 13

9:15 am - 2:10 pmPHL Philadelphia-LIR Liberia

29h 55m1 stop Toronto Pearson Intl

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

22h 24m1 stop Montreal Pierre Elliott Trudeau Intl

$365Air Canada

Sun, Dec 6 - Wed, Dec 9

4:20 pm - 1:10 pmPHL Philadelphia-LIR Liberia

22h 50m1 stop Toronto Pearson Intl

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

23h 24m1 stop Montreal Pierre Elliott Trudeau Intl

$365Air Canada

Sat, Oct 24 - Sat, Oct 31

6:45 pm - 12:33 pmPHL Philadelphia-LIR Liberia

18h 48m2 stops Charlotte Douglas Miami

1:31 pm - 12:39 amLIR Liberia-PHL Philadelphia

10h 08m1 stop Miami

$375GOL

Mon, Nov 9 - Fri, Nov 20

6:45 pm - 12:33 pmPHL Philadelphia-LIR Liberia

18h 48m2 stops Charlotte Douglas Miami

3:32 pm - 9:19 amLIR Liberia-PHL Philadelphia

16h 47m2 stops Miami Charlotte Douglas

$375GOL

Mon, Nov 9 - Fri, Nov 20

Cheap last minute flights

Enter your travel dates to find the best prices.

5:20 am - 11:35 amPHL Philadelphia-LIR Liberia

8h 15m1 stop Atlanta Hartsfield-Jackson

2:00 pm - 12:55 amLIR Liberia-PHL Philadelphia

9h 55m1 stop Atlanta Hartsfield-Jackson

$468Delta

Tue, Oct 6 - Tue, Nov 10

5:20 am - 11:35 amPHL Philadelphia-LIR Liberia

8h 15m1 stop Atlanta Hartsfield-Jackson

2:00 pm - 11:49 pmLIR Liberia-PHL Philadelphia

8h 49m1 stop Atlanta Hartsfield-Jackson

$468Delta

Tue, Oct 6 - Wed, Nov 4

5:20 am - 12:00 pmPHL Philadelphia-LIR Liberia

8h 40m1 stop Atlanta Hartsfield-Jackson

2:00 pm - 12:55 amLIR Liberia-PHL Philadelphia

9h 55m1 stop Atlanta Hartsfield-Jackson

$468Delta

Mon, Oct 5 - Tue, Nov 10

6:16 am - 12:10 pmPHL Philadelphia-LIR Liberia

7h 54m1 stop Houston George Bush Intcntl

5:20 pm - 11:30 pmLIR Liberia-PHL Philadelphia

29h 10m2 stops Newark Washington, D.C. Dulles Intl

$603United Airlines

Mon, Oct 5 - Wed, Nov 4

7:10 pm - 12:10 pmPHL Philadelphia-LIR Liberia

19h 00m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

2:20 pm - 12:05 pmLIR Liberia-PHL Philadelphia

20h 45m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

$603United Airlines

Mon, Oct 5 - Wed, Nov 4

5:45 pm - 8:30 amPHL Philadelphia-SJO San José Juan Santamaria Intl

16h 45m1 stop Orlando

7:45 pm - 10:45 pmSJO San José Juan Santamaria Intl-PHL Philadelphia

25h 00m2 stops San Salvador El Salvador Intl Boston Logan Intl

$627Multiple Airlines

Fri, Oct 9 - Tue, Oct 13

5:00 am - 1:18 pmPHL Philadelphia-LIR Liberia

10h 18m1 stop Miami

2:44 pm - 9:45 amLIR Liberia-PHL Philadelphia

17h 01m1 stop Miami

$683American Airlines

Sat, Oct 10 - Sat, Oct 17

6:00 am - 1:18 pmPHL Philadelphia-LIR Liberia

9h 18m2 stops Charlotte Douglas Miami

2:44 pm - 9:45 amLIR Liberia-PHL Philadelphia

17h 01m1 stop Miami

$687American Airlines

Sat, Oct 10 - Sat, Oct 17

12:25 pm - 11:55 pmPHL Philadelphia-SJO San José Juan Santamaria Intl

13h 30m2 stops San Juan Luis Munoz Marin Intl Bogotá El Dorado

9:55 am - 11:54 pmSJO San José Juan Santamaria Intl-PHL Philadelphia

12h 59m1 stop Tampa

$701Multiple Airlines

Tue, Oct 6 - Wed, Nov 4

6:00 am - 12:58 pmPHL Philadelphia-LIR Liberia

8h 58m1 stop Fort Lauderdale

2:05 pm - 11:46 pmLIR Liberia-PHL Philadelphia

7h 41m1 stop Fort Lauderdale

$964JetBlue

Fri, Oct 9 - Thu, Oct 15

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Southwest flights from Philadelphia to Costa Rica

Our best Southwest deals on Philadelphia to Costa Rica flight tickets

Southwest

Oct 29

PHL6:25 amPhiladelphia

15h 15m

2 stops

SJO7:40 pmSan José Juan Santamaria Intl

Nov 4

SJO1:20 pmSan José Juan Santamaria Intl

8h 55m

1 stop

PHL11:15 pmPhiladelphia

$538

Southwest

Oct 27

PHL7:00 amPhiladelphia

14h 40m

2 stops

SJO7:40 pmSan José Juan Santamaria Intl

Nov 10

SJO1:20 pmSan José Juan Santamaria Intl

8h 55m

1 stop

PHL11:15 pmPhiladelphia

$542

GOL flights from Philadelphia to Costa Rica

Our best GOL deals on Philadelphia to Costa Rica flight tickets

GOL

Jan 25

PHL7:00 pmPhiladelphia

18h 39m

2 stops

LIR12:39 pmLiberia

Mar 16

LIR1:37 pmLiberia

18h 13m

1 stop

PHL9:50 amPhiladelphia

$411

GOL

Nov 24

PHL8:05 pmPhiladelphia

27h 44m

1 stop

SJO10:49 pmSan José Juan Santamaria Intl

Dec 1

SJO6:00 amSan José Juan Santamaria Intl

14h 55m

1 stop

PHL9:55 pmPhiladelphia

$568

GOL

Nov 25

PHL5:00 amPhiladelphia

18h 49m

1 stop

SJO10:49 pmSan José Juan Santamaria Intl

Dec 1

SJO6:00 amSan José Juan Santamaria Intl

13h 35m

1 stop

PHL8:35 pmPhiladelphia

$594

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaLiberia

PHL Philadelphia - LIR Liberia

PHLLIR

Philadelphia

Sat 1/30

7:40 pm-2:42 pm

1 stop20h 02m

Liberia

Tue 2/2

3:42 pm-9:41 am

1 stop16h 59m

$318

Quickest round-trip

PhiladelphiaLiberia

PHL Philadelphia - LIR Liberia

PHLLIR

Philadelphia

Mon 10/26

6:00 am-1:18 pm

1 stop9h 18m

Liberia

Fri 10/30

2:44 pm-12:51 am

1 stop8h 07m

$318

PhiladelphiaLiberia

PHL Philadelphia - LIR Liberia

PHLLIR

Philadelphia

Wed 1/13

5:30 am-12:45 pm

1 stop8h 15m

Liberia

Wed 1/20

1:50 pm-10:40 am

1 stop19h 50m

$318

PhiladelphiaLiberia

PHL Philadelphia - LIR Liberia

PHLLIR

Philadelphia

Tue 1/12

7:15 pm-12:35 pm

1 stop18h 20m

Liberia

Wed 1/20

1:50 pm-10:40 am

1 stop19h 50m

$318

PhiladelphiaLiberia

PHL Philadelphia - LIR Liberia

PHLLIR

Philadelphia

Mon 10/26

6:46 pm-10:54 am

2 stops18h 08m

Liberia

Fri 10/30

1:20 pm-9:49 am

2 stops18h 29m

$323

PhiladelphiaLiberia

PHL Philadelphia - LIR Liberia

PHLLIR

Philadelphia

Wed 1/6

5:45 pm-1:10 pm

1 stop20h 25m

Liberia

Wed 1/13

2:06 pm-10:20 am

1 stop19h 14m

$340

PhiladelphiaLiberia

PHL Philadelphia - LIR Liberia

PHLLIR

Philadelphia

Sun 12/6

9:15 am-2:10 pm

1 stop29h 55m

Liberia

Wed 12/9

3:20 pm-2:44 pm

1 stop22h 24m

$365

PhiladelphiaLiberia

PHL Philadelphia - LIR Liberia

PHLLIR

Philadelphia

Sat 10/24

4:20 pm-1:10 pm

1 stop22h 50m

Liberia

Sat 10/31

2:20 pm-3:44 pm

1 stop23h 24m

$365

PhiladelphiaLiberia

PHL Philadelphia - LIR Liberia

PHLLIR

Philadelphia

Mon 11/9

6:45 pm-12:33 pm

2 stops18h 48m

Liberia

Fri 11/20

1:31 pm-12:39 am

1 stop10h 08m

$375

PhiladelphiaLiberia

PHL Philadelphia - LIR Liberia

PHLLIR

Philadelphia

Mon 11/9

6:45 pm-12:33 pm

2 stops18h 48m

Liberia

Fri 11/20

3:32 pm-9:19 am

2 stops16h 47m

$375

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 $423, 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 $540 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 $468 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.

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

You could potentially save up to 19% 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	$143
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 $143. The best round-trip flight deal from Philadelphia to Costa Rica found on momondo in the last 72 hours is $318.

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 October 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 (56.52% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (17.39%), Airbus A321-100/200 (13.04%), and Boeing 737 (8.70%).

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
Delta	PriceFrom $170	Free Cancellation	Rating 7.8 8,631 reviews	Search Delta flights
Frontier	PriceFrom $194	Free Cancellation	Rating 5.6 2,555 reviews	Search Frontier flights
United Airlines	PriceFrom $218	Free Cancellation	Rating 7.4 10,280 reviews	Search United Airlines flights
JetBlue	PriceFrom $270	Free Cancellation	Rating 7.1 3,040 reviews	Search JetBlue flights
American Airlines	PriceFrom $294	Free Cancellation	Rating 7.0 12,132 reviews	Search American Airlines flights
Southwest	PriceFrom $399	Free Cancellation	Rating 8.0 4,213 reviews	Search Southwest flights
GOL	PriceFrom $406	Free Cancellation	Rating 7.3 1,319 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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Popular cities in Costa Rica

Flights to San Joséfrom $167

Flights to Liberiafrom $286

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Flights to Golfito

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Cheap flights from Philadelphia to Costa Rica from $143

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 1/3. 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

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Southwest flights from Philadelphia to Costa Rica

Our best Southwest deals on Philadelphia to Costa Rica flight tickets

GOL flights from Philadelphia to Costa Rica

Our best GOL 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

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