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Cheap flights from Philadelphia to Costa Rica from $147

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 7/25. 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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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.
Frontier Logo
9:16 pm - 8:20 am
PHL
-
SJO
13h 04m
1 stop
Frontier Logo
9:35 am - 2:36 pm
SJO
-
PHL
27h 01m
1 stop
$352Frontier
Sat, Aug 1 - Mon, Aug 31
JetBlue Logo
7:00 am - 11:55 am
PHL
-
SJO
6h 55m
1 stop
JetBlue Logo
1:10 pm - 10:47 pm
SJO
-
PHL
7h 37m
1 stop
$358JetBlue
Tue, May 26 - Fri, May 29
American Airlines Logo
6:00 am - 7:24 pm
PHL
-
SJO
15h 24m
1 stop
American Airlines Logo
6:01 am - 5:54 pm
SJO
-
PHL
9h 53m
1 stop
$363American Airlines
Sat, May 30 - Sun, Jun 7
JetBlue Logo
7:00 am - 11:55 am
PHL
-
SJO
6h 55m
1 stop
JetBlue Logo
1:10 pm - 10:47 pm
SJO
-
PHL
7h 37m
1 stop
$371JetBlue
Tue, May 26 - Wed, Jun 3
Frontier Logo
9:16 pm - 8:20 am
PHL
-
SJO
13h 04m
1 stop
Frontier Logo
9:35 am - 12:13 am
SJO
-
PHL
12h 38m
1 stop
$372Frontier
Sat, Jul 25 - Sat, Aug 1
United Airlines Logo
4:59 pm - 9:50 am
PHL
-
LIR
18h 51m
2 stops
United Airlines Logo
11:10 am - 10:29 pm
LIR
-
PHL
9h 19m
1 stop
$385United Airlines
Sat, May 23 - Thu, May 28
American Airlines Logo
7:35 pm - 11:35 am
PHL
-
LIR
18h 00m
1 stop
American Airlines Logo
12:35 pm - 12:58 am
LIR
-
PHL
10h 23m
1 stop
$405American Airlines
Sat, May 23 - Thu, May 28
British Airways Logo
8:04 pm - 11:22 am
PHL
-
LIR
17h 18m
1 stop
British Airways Logo
3:37 pm - 9:16 am
LIR
-
PHL
15h 39m
1 stop
$412British Airways
Thu, May 28 - Thu, Jun 4
United Airlines Logo
5:15 pm - 12:10 pm
PHL
-
LIR
20h 55m
2 stops
United Airlines Logo
1:03 pm - 12:37 am
LIR
-
PHL
9h 34m
1 stop
$414United Airlines
Sat, Sep 19 - Sat, Sep 26
GOL Logo
6:00 am - 11:30 am
PHL
-
LIR
7h 30m
1 stop
GOL Logo
2:45 pm - 10:06 am
LIR
-
PHL
17h 21m
2 stops
$421GOL
Tue, Aug 4 - Thu, Aug 27

Frontier flights from Philadelphia to Costa Rica

Our best Frontier deals on Philadelphia to Costa Rica flight tickets
Frontier
Aug 26
PHL5:10 pmPhiladelphia
17h 10m
1 stop
SJO8:20 amSan José Juan Santamaria Intl
Aug 31
SJO9:35 amSan José Juan Santamaria Intl
21h 16m
1 stop
PHL8:51 amPhiladelphia
$338
Frontier
Aug 1
PHL9:16 pmPhiladelphia
13h 04m
1 stop
SJO8:20 amSan José Juan Santamaria Intl
Aug 31
SJO9:35 amSan José Juan Santamaria Intl
27h 01m
1 stop
PHL2:36 pmPhiladelphia
$352
Frontier
Aug 15
PHL9:16 pmPhiladelphia
13h 04m
1 stop
SJO8:20 amSan José Juan Santamaria Intl
Aug 20
SJO9:35 amSan José Juan Santamaria Intl
13h 09m
1 stop
PHL12:44 amPhiladelphia
$372

Delta flights from Philadelphia to Costa Rica

Our best Delta deals on Philadelphia to Costa Rica flight tickets
Delta
Aug 26
PHL6:15 amPhiladelphia
7h 34m
1 stop
SJO11:49 amSan José Juan Santamaria Intl
Sep 2
SJO1:21 pmSan José Juan Santamaria Intl
9h 40m
1 stop
PHL1:01 amPhiladelphia
$391
Delta
Aug 26
PHL6:15 amPhiladelphia
7h 34m
1 stop
SJO11:49 amSan José Juan Santamaria Intl
Sep 2
SJO1:21 pmSan José Juan Santamaria Intl
17h 15m
2 stops
PHL8:36 amPhiladelphia
$396
Delta
Nov 3
PHL6:35 amPhiladelphia
7h 23m
1 stop
SJO12:58 pmSan José Juan Santamaria Intl
Nov 11
SJO7:00 amSan José Juan Santamaria Intl
9h 15m
1 stop
PHL5:15 pmPhiladelphia
$455

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 May 7, 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

Sat 8/1

9:16 pm-8:20 am

1 stop13h 04m

San José Juan Santamaria Intl

Mon 8/31

9:35 am-2:36 pm

1 stop27h 01m

$352
Quickest round-trip

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Tue 5/26

7:00 am-11:55 am

1 stop6h 55m

San José Juan Santamaria Intl

Fri 5/29

1:10 pm-10:47 pm

1 stop7h 37m

$358

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Sat 5/30

6:00 am-7:24 pm

1 stop15h 24m

San José Juan Santamaria Intl

Sun 6/7

6:01 am-5:54 pm

1 stop9h 53m

$363

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Tue 5/26

7:00 am-11:55 am

1 stop6h 55m

San José Juan Santamaria Intl

Wed 6/3

1:10 pm-10:47 pm

1 stop7h 37m

$371

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Sat 7/25

9:16 pm-8:20 am

1 stop13h 04m

San José Juan Santamaria Intl

Sat 8/1

9:35 am-12:13 am

1 stop12h 38m

$372

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Sat 5/23

4:59 pm-9:50 am

2 stops18h 51m

Liberia

Thu 5/28

11:10 am-10:29 pm

1 stop9h 19m

$385

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Sat 5/23

7:35 pm-11:35 am

1 stop18h 00m

Liberia

Thu 5/28

12:35 pm-12:58 am

1 stop10h 23m

$405

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Thu 5/28

8:04 pm-11:22 am

1 stop17h 18m

Liberia

Thu 6/4

3:37 pm-9:16 am

1 stop15h 39m

$412

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Sat 9/19

5:15 pm-12:10 pm

2 stops20h 55m

Liberia

Sat 9/26

1:03 pm-12:37 am

1 stop9h 34m

$414

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Tue 8/4

6:00 am-11:30 am

1 stop7h 30m

Liberia

Thu 8/27

2:45 pm-10:06 am

2 stops17h 21m

$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 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.

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

You could potentially save up to 85% 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 42m

Direct flights

None
The fastest flight from Philadelphia to Costa Rica takes 6h 42m
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
2,963 reviews
Search Frontier flights
DeltaPriceFrom $195Free CancellationRating
7.9
8,456 reviews
Search Delta flights
Spirit AirlinesPriceFrom $211Free CancellationRating
6.3
8,638 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $249Free CancellationRating
7.4
9,694 reviews
Search United Airlines flights
JetBluePriceFrom $251Free CancellationRating
7.1
2,980 reviews
Search JetBlue flights
SouthwestPriceFrom $285Free CancellationRating
7.9
4,302 reviews
Search Southwest flights
American AirlinesPriceFrom $289Free CancellationRating
7.1
11,667 reviews
Search American Airlines flights
GOLPriceFrom $480Free CancellationRating
7.3
1,214 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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