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Cheap flights from Philadelphia to Costa Rica from $130

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 5/29. 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
0 bags

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Find the cheapest flights from Philadelphia to Costa Rica

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 am - 11:45 am
PHL
-
SJO
7h 45m
1 stop
Multiple Airlines Logo
1:00 pm - 12:44 am
SJO
-
PHL
9h 44m
1 stop
$318Multiple Airlines
Fri, May 29 - Fri, Jun 5
Multiple Airlines Logo
1:00 pm - 11:45 am
PHL
-
SJO
24h 45m
1 stop
Multiple Airlines Logo
1:00 pm - 12:44 am
SJO
-
PHL
9h 44m
1 stop
$319Multiple Airlines
Sat, May 30 - Fri, Jun 12
Multiple Airlines Logo
7:05 am - 12:15 pm
PHL
-
SJO
7h 10m
1 stop
Multiple Airlines Logo
1:21 pm - 12:39 am
SJO
-
PHL
9h 18m
1 stop
$325Multiple Airlines
Fri, Jul 3 - Thu, Jul 30
Multiple Airlines Logo
8:44 pm - 11:45 am
PHL
-
SJO
17h 01m
1 stop
Multiple Airlines Logo
1:21 pm - 12:39 am
SJO
-
PHL
9h 18m
1 stop
$327Multiple Airlines
Thu, Jun 4 - Sun, Jul 12
American Airlines Logo
10:00 pm - 1:10 pm
PHL
-
LIR
17h 10m
1 stop
American Airlines Logo
2:45 pm - 9:41 am
LIR
-
PHL
16h 56m
1 stop
$346American Airlines
Sat, May 16 - Thu, May 21
American Airlines Logo
10:00 pm - 1:10 pm
PHL
-
LIR
17h 10m
1 stop
American Airlines Logo
2:45 pm - 7:25 am
LIR
-
PHL
14h 40m
2 stops
$351American Airlines
Sat, May 16 - Thu, May 21
JetBlue Logo
6:00 am - 1:01 pm
PHL
-
LIR
9h 01m
1 stop
JetBlue Logo
2:06 pm - 11:51 pm
LIR
-
PHL
7h 45m
1 stop
$412JetBlue
Sun, Jul 12 - Thu, Jul 16
United Airlines Logo
7:45 pm - 10:44 am
PHL
-
LIR
16h 59m
2 stops
United Airlines Logo
3:27 pm - 11:48 am
LIR
-
PHL
18h 21m
1 stop
$414United Airlines
Fri, May 8 - Mon, May 11
GOL Logo
10:00 pm - 11:24 am
PHL
-
LIR
15h 24m
1 stop
GOL Logo
12:35 pm - 10:47 pm
LIR
-
PHL
8h 12m
1 stop
$424GOL
Sun, May 17 - Fri, May 22
GOL Logo
7:35 pm - 11:24 am
PHL
-
LIR
17h 49m
2 stops
GOL Logo
2:45 pm - 12:58 am
LIR
-
PHL
8h 13m
1 stop
$429GOL
Sun, May 17 - Fri, May 22

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American Airlines flights from Philadelphia to Costa Rica

Our best American Airlines deals on Philadelphia to Costa Rica flight tickets
American Airlines
May 16
PHL10:00 pmPhiladelphia
17h 10m
1 stop
LIR1:10 pmLiberia
May 21
LIR2:45 pmLiberia
16h 56m
1 stop
PHL9:41 amPhiladelphia
$346
American Airlines
May 16
PHL10:00 pmPhiladelphia
17h 10m
1 stop
LIR1:10 pmLiberia
May 21
LIR2:45 pmLiberia
14h 40m
2 stops
PHL7:25 amPhiladelphia
$351
American Airlines
Jun 1
PHL2:26 pmPhiladelphia
6h 58m
1 stop
SJO7:24 pmSan José Juan Santamaria Intl
Jun 4
SJO6:00 amSan José Juan Santamaria Intl
14h 48m
1 stop
PHL10:48 pmPhiladelphia
$358

Spirit Airlines flights from Philadelphia to Costa Rica

Our best Spirit Airlines deals on Philadelphia to Costa Rica flight tickets
Spirit Airlines
May 3
PHL5:45 amPhiladelphia
7h 48m
1 stop
SJO11:33 amSan José Juan Santamaria Intl
May 10
SJO1:00 pmSan José Juan Santamaria Intl
8h 58m
1 stop
PHL11:58 pmPhiladelphia
$329
Spirit Airlines
Jul 5
PHL7:05 amPhiladelphia
7h 10m
1 stop
SJO12:15 pmSan José Juan Santamaria Intl
Jul 17
SJO1:21 pmSan José Juan Santamaria Intl
20h 22m
1 stop
PHL11:43 amPhiladelphia
$347
Spirit Airlines
Jul 2
PHL12:48 pmPhiladelphia
25h 27m
1 stop
SJO12:15 pmSan José Juan Santamaria Intl
Aug 3
SJO1:21 pmSan José Juan Santamaria Intl
28h 47m
1 stop
PHL8:08 pmPhiladelphia
$351

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 April 27, 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

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Fri 5/29

6:00 am-11:45 am

1 stop7h 45m

San José Juan Santamaria Intl

Fri 6/5

1:00 pm-12:44 am

1 stop9h 44m

$318

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Sat 5/30

1:00 pm-11:45 am

1 stop24h 45m

San José Juan Santamaria Intl

Fri 6/12

1:00 pm-12:44 am

1 stop9h 44m

$319
Quickest round-trip

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Fri 7/3

7:05 am-12:15 pm

1 stop7h 10m

San José Juan Santamaria Intl

Thu 7/30

1:21 pm-12:39 am

1 stop9h 18m

$325

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Thu 6/4

8:44 pm-11:45 am

1 stop17h 01m

San José Juan Santamaria Intl

Sun 7/12

1:21 pm-12:39 am

1 stop9h 18m

$327

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Sat 5/16

10:00 pm-1:10 pm

1 stop17h 10m

Liberia

Thu 5/21

2:45 pm-9:41 am

1 stop16h 56m

$346

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Sat 5/16

10:00 pm-1:10 pm

1 stop17h 10m

Liberia

Thu 5/21

2:45 pm-7:25 am

2 stops14h 40m

$351

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Sun 7/12

6:00 am-1:01 pm

1 stop9h 01m

Liberia

Thu 7/16

2:06 pm-11:51 pm

1 stop7h 45m

$412

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Fri 5/8

7:45 pm-10:44 am

2 stops16h 59m

Liberia

Mon 5/11

3:27 pm-11:48 am

1 stop18h 21m

$414

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Sun 5/17

10:00 pm-11:24 am

1 stop15h 24m

Liberia

Fri 5/22

12:35 pm-10:47 pm

1 stop8h 12m

$424

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Sun 5/17

7:35 pm-11:24 am

2 stops17h 49m

Liberia

Fri 5/22

2:45 pm-12:58 am

1 stop8h 13m

$429

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 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 $473 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 $359 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 2% 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?

  • 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
2,975 reviews
Search Frontier flights
DeltaPriceFrom $195Free CancellationRating
7.9
8,461 reviews
Search Delta flights
Spirit AirlinesPriceFrom $213Free CancellationRating
6.3
8,633 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $249Free CancellationRating
7.4
9,664 reviews
Search United Airlines flights
JetBluePriceFrom $251Free CancellationRating
7.1
2,963 reviews
Search JetBlue flights
American AirlinesPriceFrom $289Free CancellationRating
7.1
11,668 reviews
Search American Airlines flights
SouthwestPriceFrom $437Free CancellationRating
8.0
4,325 reviews
Search Southwest flights
GOLPriceFrom $480Free CancellationRating
7.3
1,205 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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