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Cheap flights from Philadelphia to Costa Rica from $170

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 7/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Philadelphia to Costa Rica

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
8:15 am - 2:00 pm
PHL
-
LIR
6h 45m
1 stop
JetBlue Logo
3:05 pm - 11:39 pm
LIR
-
PHL
7h 34m
1 stop
$372JetBlue
Mon, Nov 2 - Wed, Nov 4
American Airlines Logo
10:10 pm - 11:27 am
PHL
-
LIR
15h 17m
2 stops
American Airlines Logo
2:15 pm - 8:03 am
LIR
-
PHL
15h 48m
2 stops
$377American Airlines
Tue, Aug 18 - Fri, Aug 28
United Airlines Logo
6:16 am - 12:10 pm
PHL
-
LIR
7h 54m
1 stop
United Airlines Logo
1:03 pm - 12:25 pm
LIR
-
PHL
21h 22m
1 stop
$380United Airlines
Sat, Sep 19 - Sat, Sep 26
American Airlines Logo
7:38 pm - 11:27 am
PHL
-
LIR
17h 49m
2 stops
American Airlines Logo
2:15 pm - 9:19 am
LIR
-
PHL
17h 04m
1 stop
$382American Airlines
Wed, Aug 19 - Fri, Aug 28
Southwest Logo
7:15 am - 6:40 pm
PHL
-
SJO
13h 25m
2 stops
Southwest Logo
9:00 am - 11:00 pm
SJO
-
PHL
12h 00m
2 stops
$397Southwest
Tue, Sep 22 - Thu, Oct 1
United Airlines Logo
6:10 am - 8:39 pm
PHL
-
SJO
15h 29m
2 stops
United Airlines Logo
12:35 pm - 10:30 pm
SJO
-
PHL
8h 55m
1 stop
$404United Airlines
Sat, Nov 14 - Mon, Nov 23
Southwest Logo
7:15 am - 6:40 pm
PHL
-
SJO
13h 25m
2 stops
Southwest Logo
9:00 am - 11:30 pm
SJO
-
PHL
12h 30m
1 stop
$407Southwest
Wed, Aug 26 - Sun, Aug 30
GOL Logo
5:00 am - 12:25 pm
PHL
-
LIR
8h 25m
1 stop
GOL Logo
3:28 pm - 9:50 am
LIR
-
PHL
17h 22m
2 stops
$414GOL
Wed, Dec 9 - Mon, Dec 14
JetBlue Logo
8:15 am - 2:00 pm
PHL
-
LIR
6h 45m
1 stop
JetBlue Logo
3:05 pm - 11:39 pm
LIR
-
PHL
7h 34m
1 stop
$416JetBlue
Mon, Nov 9 - Fri, Nov 13
GOL Logo
7:38 pm - 12:03 pm
PHL
-
SJO
18h 25m
2 stops
GOL Logo
2:57 pm - 10:05 am
SJO
-
PHL
17h 08m
2 stops
$421GOL
Tue, Sep 1 - Tue, Sep 15

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GOL flights from Philadelphia to Costa Rica

Our best GOL deals on Philadelphia to Costa Rica flight tickets
GOL
Dec 9
PHL5:00 amPhiladelphia
8h 25m
1 stop
LIR12:25 pmLiberia
Dec 14
LIR3:28 pmLiberia
17h 22m
2 stops
PHL9:50 amPhiladelphia
$414
GOL
Sep 1
PHL7:38 pmPhiladelphia
18h 25m
2 stops
SJO12:03 pmSan José Juan Santamaria Intl
Sep 15
SJO2:57 pmSan José Juan Santamaria Intl
17h 08m
2 stops
PHL10:05 amPhiladelphia
$421
GOL
Jul 27
PHL10:35 amPhiladelphia
28h 36m
2 stops
SJO1:11 pmSan José Juan Santamaria Intl
Aug 1
SJO3:37 pmSan José Juan Santamaria Intl
17h 35m
2 stops
PHL11:12 amPhiladelphia
$487

Southwest flights from Philadelphia to Costa Rica

Our best Southwest deals on Philadelphia to Costa Rica flight tickets
Southwest
Sep 22
PHL7:15 amPhiladelphia
13h 25m
2 stops
SJO6:40 pmSan José Juan Santamaria Intl
Oct 1
SJO9:00 amSan José Juan Santamaria Intl
12h 00m
2 stops
PHL11:00 pmPhiladelphia
$397
Southwest
Aug 26
PHL7:15 amPhiladelphia
13h 25m
2 stops
SJO6:40 pmSan José Juan Santamaria Intl
Aug 30
SJO9:00 amSan José Juan Santamaria Intl
12h 30m
1 stop
PHL11:30 pmPhiladelphia
$407
Southwest
Aug 22
PHL7:05 amPhiladelphia
7h 10m
1 stop
SJO12:15 pmSan José Juan Santamaria Intl
Aug 30
SJO9:00 amSan José Juan Santamaria Intl
12h 30m
1 stop
PHL11:30 pmPhiladelphia
$456

momondo 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, momondo users made 832,500 searches. Data last updated June 14, 2026.
Use the filters below to find and compare flights from Philadelphia to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Mon 11/2

8:15 am-2:00 pm

1 stop6h 45m

Liberia

Wed 11/4

3:05 pm-11:39 pm

1 stop7h 34m

$372

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Tue 8/18

10:10 pm-11:27 am

2 stops15h 17m

Liberia

Fri 8/28

2:15 pm-8:03 am

2 stops15h 48m

$377

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

$380

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Wed 8/19

7:38 pm-11:27 am

2 stops17h 49m

Liberia

Fri 8/28

2:15 pm-9:19 am

1 stop17h 04m

$382

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Tue 9/22

7:15 am-6:40 pm

2 stops13h 25m

San José Juan Santamaria Intl

Thu 10/1

9:00 am-11:00 pm

2 stops12h 00m

$397

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Sat 11/14

6:10 am-8:39 pm

2 stops15h 29m

San José Juan Santamaria Intl

Mon 11/23

12:35 pm-10:30 pm

1 stop8h 55m

$404

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Wed 8/26

7:15 am-6:40 pm

2 stops13h 25m

San José Juan Santamaria Intl

Sun 8/30

9:00 am-11:30 pm

1 stop12h 30m

$407

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Wed 12/9

5:00 am-12:25 pm

1 stop8h 25m

Liberia

Mon 12/14

3:28 pm-9:50 am

2 stops17h 22m

$414

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Mon 11/9

8:15 am-2:00 pm

1 stop6h 45m

Liberia

Fri 11/13

3:05 pm-11:39 pm

1 stop7h 34m

$416

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Tue 9/1

7:38 pm-12:03 pm

2 stops18h 25m

San José Juan Santamaria Intl

Tue 9/15

2:57 pm-10:05 am

2 stops17h 08m

$421

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Costa Rica from

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

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 $495 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 $349 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

$861

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 $861
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?

  • 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?

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
FrontierPriceFrom $141Free CancellationRating
5.6
2,889 reviews
Search Frontier flights
DeltaPriceFrom $170Free CancellationRating
7.9
8,398 reviews
Search Delta flights
United AirlinesPriceFrom $249Free CancellationRating
7.4
9,826 reviews
Search United Airlines flights
JetBluePriceFrom $270Free CancellationRating
7.1
2,985 reviews
Search JetBlue flights
American AirlinesPriceFrom $289Free CancellationRating
7.1
11,662 reviews
Search American Airlines flights
SouthwestPriceFrom $437Free CancellationRating
7.9
4,232 reviews
Search Southwest flights
GOLPriceFrom $480Free CancellationRating
7.3
1,230 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.

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