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Cheap flights from Philadelphia to Costa Rica from $129

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 3/30. 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

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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
10:41 am - 7:07 pm
PHL
-
SJO
10h 26m
1 stop
American Airlines Logo
2:08 pm - 9:12 am
SJO
-
PHL
17h 04m
1 stop
$300American Airlines
Wed, Apr 29 - Wed, May 6
American Airlines Logo
10:30 am - 7:07 pm
PHL
-
SJO
10h 37m
2 stops
American Airlines Logo
2:08 pm - 9:12 am
SJO
-
PHL
17h 04m
1 stop
$305American Airlines
Wed, Apr 29 - Tue, May 5
United Airlines Logo
12:51 pm - 10:11 am
PHL
-
SJO
23h 20m
1 stop
United Airlines Logo
11:13 am - 10:25 pm
SJO
-
PHL
9h 12m
1 stop
$308United Airlines
Sat, Apr 18 - Wed, Apr 22
GOL Logo
12:50 pm - 7:07 pm
PHL
-
SJO
8h 17m
1 stop
GOL Logo
11:59 pm - 12:36 am
SJO
-
PHL
22h 37m
1 stop
$310GOL
Thu, May 14 - Thu, May 21
GOL Logo
8:04 pm - 7:24 pm
PHL
-
SJO
25h 20m
1 stop
GOL Logo
6:00 am - 9:10 pm
SJO
-
PHL
13h 10m
1 stop
$311GOL
Sun, May 24 - Fri, May 29
GOL Logo
12:50 pm - 7:07 pm
PHL
-
SJO
8h 17m
1 stop
GOL Logo
11:35 pm - 10:47 pm
SJO
-
PHL
21h 12m
1 stop
$315GOL
Tue, Apr 28 - Sun, May 3
American Airlines Logo
7:05 am - 9:36 pm
PHL
-
SJO
16h 31m
1 stop
American Airlines Logo
6:30 am - 8:13 pm
SJO
-
PHL
11h 43m
1 stop
$320American Airlines
Sat, May 9 - Mon, May 18
United Airlines Logo
7:59 pm - 12:10 pm
PHL
-
LIR
18h 11m
1 stop
United Airlines Logo
3:27 pm - 11:43 am
LIR
-
PHL
18h 16m
1 stop
$356United Airlines
Fri, Apr 17 - Mon, Apr 20
JetBlue Logo
7:00 am - 11:55 am
PHL
-
LIR
6h 55m
1 stop
JetBlue Logo
1:00 pm - 11:02 pm
LIR
-
PHL
8h 02m
1 stop
$373JetBlue
Tue, Apr 14 - Thu, Apr 23
JetBlue Logo
7:00 am - 11:55 am
PHL
-
LIR
6h 55m
1 stop
JetBlue Logo
1:00 pm - 11:51 pm
LIR
-
PHL
8h 51m
1 stop
$383JetBlue
Mon, Jul 20 - Thu, Jul 30

American Airlines flights from Philadelphia to Costa Rica

Our best American Airlines deals on Philadelphia to Costa Rica flight tickets
American Airlines
Apr 29
PHL10:41 amPhiladelphia
10h 26m
1 stop
SJO7:07 pmSan José Juan Santamaria Intl
May 6
SJO2:08 pmSan José Juan Santamaria Intl
17h 04m
1 stop
PHL9:12 amPhiladelphia
$300
American Airlines
Apr 29
PHL10:30 amPhiladelphia
10h 37m
2 stops
SJO7:07 pmSan José Juan Santamaria Intl
May 5
SJO2:08 pmSan José Juan Santamaria Intl
17h 04m
1 stop
PHL9:12 amPhiladelphia
$305
American Airlines
May 9
PHL10:55 amPhiladelphia
12h 41m
1 stop
SJO9:36 pmSan José Juan Santamaria Intl
May 18
SJO6:30 amSan José Juan Santamaria Intl
11h 43m
1 stop
PHL8:13 pmPhiladelphia
$320

Frontier flights from Philadelphia to Costa Rica

Our best Frontier deals on Philadelphia to Costa Rica flight tickets
Frontier
May 20
PHL7:56 pmPhiladelphia
14h 49m
1 stop
SJO8:45 amSan José Juan Santamaria Intl
May 29
SJO10:00 amSan José Juan Santamaria Intl
22h 38m
1 stop
PHL10:38 amPhiladelphia
$347
Frontier
Jul 26
PHL8:01 pmPhiladelphia
14h 44m
1 stop
SJO8:45 amSan José Juan Santamaria Intl
Aug 2
SJO10:00 amSan José Juan Santamaria Intl
29h 12m
1 stop
PHL5:12 pmPhiladelphia
$378
Frontier
May 30
PHL8:01 pmPhiladelphia
14h 44m
1 stop
SJO8:45 amSan José Juan Santamaria Intl
Jun 7
SJO10:00 amSan José Juan Santamaria Intl
11h 48m
1 stop
PHL11:48 pmPhiladelphia
$384

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 March 10, 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

Wed 4/29

10:41 am-7:07 pm

1 stop10h 26m

San José Juan Santamaria Intl

Wed 5/6

2:08 pm-9:12 am

1 stop17h 04m

$300

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Wed 4/29

10:30 am-7:07 pm

2 stops10h 37m

San José Juan Santamaria Intl

Tue 5/5

2:08 pm-9:12 am

1 stop17h 04m

$305

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Sat 4/18

12:51 pm-10:11 am

1 stop23h 20m

San José Juan Santamaria Intl

Wed 4/22

11:13 am-10:25 pm

1 stop9h 12m

$308

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Thu 5/14

12:50 pm-7:07 pm

1 stop8h 17m

San José Juan Santamaria Intl

Thu 5/21

11:59 pm-12:36 am

1 stop22h 37m

$310

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Sun 5/24

8:04 pm-7:24 pm

1 stop25h 20m

San José Juan Santamaria Intl

Fri 5/29

6:00 am-9:10 pm

1 stop13h 10m

$311

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Tue 4/28

12:50 pm-7:07 pm

1 stop8h 17m

San José Juan Santamaria Intl

Sun 5/3

11:35 pm-10:47 pm

1 stop21h 12m

$315

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Sat 5/9

7:05 am-9:36 pm

1 stop16h 31m

San José Juan Santamaria Intl

Mon 5/18

6:30 am-8:13 pm

1 stop11h 43m

$320

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Fri 4/17

7:59 pm-12:10 pm

1 stop18h 11m

Liberia

Mon 4/20

3:27 pm-11:43 am

1 stop18h 16m

$356
Quickest round-trip

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Tue 4/14

7:00 am-11:55 am

1 stop6h 55m

Liberia

Thu 4/23

1:00 pm-11:02 pm

1 stop8h 02m

$373

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Mon 7/20

7:00 am-11:55 am

1 stop6h 55m

Liberia

Thu 7/30

1:00 pm-11:51 pm

1 stop8h 51m

$383

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 $329, 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 $474 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 $353 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 11% 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

$244

Fastest flight time

5h 30m

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 $244. The best round-trip flight deal from Philadelphia to Costa Rica found on momondo in the last 72 hours is $550.
The fastest flight from Philadelphia to Costa Rica takes 5h 30m
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

  • 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
3,033 reviews
Search Frontier flights
United AirlinesPriceFrom $160Free CancellationRating
7.4
9,409 reviews
Search United Airlines flights
Spirit AirlinesPriceFrom $212Free CancellationRating
6.3
8,513 reviews
Search Spirit Airlines flights
JetBluePriceFrom $251Free CancellationRating
7.2
2,900 reviews
Search JetBlue flights
DeltaPriceFrom $260Free CancellationRating
7.9
8,276 reviews
Search Delta flights
American AirlinesPriceFrom $291Free CancellationRating
7.1
11,414 reviews
Search American Airlines flights
SouthwestPriceFrom $437Free CancellationRating
8.0
4,317 reviews
Search Southwest 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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