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Cheap flights from Philadelphia to Costa Rica from $104

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 4/20. 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.
American Airlines Logo
8:10 am - 7:24 pm
PHL
-
SJO
13h 14m
1 stop
American Airlines Logo
1:59 pm - 12:15 am
SJO
-
PHL
8h 16m
1 stop
$310American Airlines
Mon, May 25 - Mon, Jun 1
American Airlines Logo
9:50 pm - 1:09 pm
PHL
-
SJO
17h 19m
1 stop
American Airlines Logo
3:08 pm - 10:41 am
SJO
-
PHL
17h 33m
1 stop
$315American Airlines
Thu, May 28 - Sun, Jun 7
GOL Logo
11:25 am - 8:14 pm
PHL
-
SJO
10h 49m
1 stop
GOL Logo
12:50 pm - 7:40 am
SJO
-
PHL
16h 50m
2 stops
$317GOL
Wed, Aug 19 - Wed, Aug 26
Spirit Airlines Logo
6:12 pm - 11:33 am
PHL
-
SJO
19h 21m
1 stop
Spirit Airlines Logo
1:00 pm - 9:25 am
SJO
-
PHL
18h 25m
1 stop
$329Spirit Airlines
Thu, Apr 30 - Thu, May 7
GOL Logo
8:25 am - 9:36 pm
PHL
-
SJO
15h 11m
1 stop
GOL Logo
2:31 pm - 7:40 am
SJO
-
PHL
15h 09m
2 stops
$332GOL
Sun, May 10 - Wed, May 13
Spirit Airlines Logo
8:44 pm - 11:45 am
PHL
-
SJO
17h 01m
1 stop
Spirit Airlines Logo
1:00 pm - 11:48 am
SJO
-
PHL
20h 48m
1 stop
$335Spirit Airlines
Sun, May 31 - Fri, Jun 5
Delta Logo
5:17 am - 12:00 pm
PHL
-
LIR
8h 43m
1 stop
Delta Logo
1:25 pm - 12:57 am
LIR
-
PHL
9h 32m
1 stop
$356Delta
Fri, May 8 - Fri, May 29
Delta Logo
5:30 am - 1:30 pm
PHL
-
LIR
10h 00m
1 stop
Delta Logo
1:25 pm - 12:57 am
LIR
-
PHL
9h 32m
1 stop
$381Delta
Sat, Apr 25 - Sat, May 9
United Airlines Logo
8:00 am - 2:25 pm
PHL
-
LIR
8h 25m
1 stop
United Airlines Logo
3:27 pm - 11:48 am
LIR
-
PHL
18h 21m
1 stop
$396United Airlines
Sat, Apr 25 - Sat, May 9
United Airlines Logo
8:00 am - 2:25 pm
PHL
-
LIR
8h 25m
1 stop
United Airlines Logo
1:20 pm - 9:54 am
LIR
-
PHL
18h 34m
2 stops
$401United Airlines
Sat, Apr 25 - Sat, May 9

Spirit Airlines flights from Philadelphia to Costa Rica

Our best Spirit Airlines deals on Philadelphia to Costa Rica flight tickets
Spirit Airlines
Apr 30
PHL6:12 pmPhiladelphia
19h 21m
1 stop
SJO11:33 amSan José Juan Santamaria Intl
May 7
SJO1:00 pmSan José Juan Santamaria Intl
18h 25m
1 stop
PHL9:25 amPhiladelphia
$329
Spirit Airlines
May 3
PHL7:00 amPhiladelphia
30h 45m
2 stops
SJO11:45 amSan José Juan Santamaria Intl
May 8
SJO1:00 pmSan José Juan Santamaria Intl
8h 58m
1 stop
PHL11:58 pmPhiladelphia
$338
Spirit Airlines
Apr 26
PHL5:45 amPhiladelphia
7h 48m
1 stop
SJO11:33 amSan José Juan Santamaria Intl
May 3
SJO12:38 pmSan José Juan Santamaria Intl
18h 47m
1 stop
PHL9:25 amPhiladelphia
$345

Delta flights from Philadelphia to Costa Rica

Our best Delta deals on Philadelphia to Costa Rica flight tickets
Delta
Sep 21
PHL7:29 pmPhiladelphia
18h 25m
1 stop
SJO11:54 amSan José Juan Santamaria Intl
Oct 14
SJO1:23 pmSan José Juan Santamaria Intl
8h 58m
1 stop
PHL12:21 amPhiladelphia
$340
Delta
May 8
PHL5:17 amPhiladelphia
8h 43m
1 stop
LIR12:00 pmLiberia
May 29
LIR1:25 pmLiberia
9h 32m
1 stop
PHL12:57 amPhiladelphia
$356
Delta
May 16
PHL6:35 amPhiladelphia
8h 40m
1 stop
SJO1:15 pmSan José Juan Santamaria Intl
May 23
SJO2:40 pmSan José Juan Santamaria Intl
8h 17m
1 stop
PHL12:57 amPhiladelphia
$367

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 13, 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

Mon 5/25

8:10 am-7:24 pm

1 stop13h 14m

San José Juan Santamaria Intl

Mon 6/1

1:59 pm-12:15 am

1 stop8h 16m

$310

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Thu 5/28

9:50 pm-1:09 pm

1 stop17h 19m

San José Juan Santamaria Intl

Sun 6/7

3:08 pm-10:41 am

1 stop17h 33m

$315

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Wed 8/19

11:25 am-8:14 pm

1 stop10h 49m

San José Juan Santamaria Intl

Wed 8/26

12:50 pm-7:40 am

2 stops16h 50m

$317

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Thu 4/30

6:12 pm-11:33 am

1 stop19h 21m

San José Juan Santamaria Intl

Thu 5/7

1:00 pm-9:25 am

1 stop18h 25m

$329

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Sun 5/10

8:25 am-9:36 pm

1 stop15h 11m

San José Juan Santamaria Intl

Wed 5/13

2:31 pm-7:40 am

2 stops15h 09m

$332

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Sun 5/31

8:44 pm-11:45 am

1 stop17h 01m

San José Juan Santamaria Intl

Fri 6/5

1:00 pm-11:48 am

1 stop20h 48m

$335
Quickest round-trip

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Fri 5/8

5:17 am-12:00 pm

1 stop8h 43m

Liberia

Fri 5/29

1:25 pm-12:57 am

1 stop9h 32m

$356

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Sat 4/25

5:30 am-1:30 pm

1 stop10h 00m

Liberia

Sat 5/9

1:25 pm-12:57 am

1 stop9h 32m

$381

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Sat 4/25

8:00 am-2:25 pm

1 stop8h 25m

Liberia

Sat 5/9

3:27 pm-11:48 am

1 stop18h 21m

$396

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Sat 4/25

8:00 am-2:25 pm

1 stop8h 25m

Liberia

Sat 5/9

1:20 pm-9:54 am

2 stops18h 34m

$401

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 $328, 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 October is your next best option. Flight prices from Philadelphia to Costa Rica during October average around $339.

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 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 $365 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
5.7
2,993 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $215Free CancellationRating
6.3
8,616 reviews
Search Spirit Airlines flights
DeltaPriceFrom $234Free CancellationRating
7.9
8,408 reviews
Search Delta flights
United AirlinesPriceFrom $249Free CancellationRating
7.4
9,582 reviews
Search United Airlines flights
JetBluePriceFrom $251Free CancellationRating
7.2
2,932 reviews
Search JetBlue flights
American AirlinesPriceFrom $289Free CancellationRating
7.1
11,571 reviews
Search American Airlines flights
SouthwestPriceFrom $437Free CancellationRating
8.0
4,328 reviews
Search Southwest flights
GOLPriceFrom $483Free CancellationRating
7.3
1,201 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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