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Cheap flights from Philadelphia to Costa Rica from $152

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 10/7. 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

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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.
JetBlue Logo
5:20 am - 12:00 pmPHL  Philadelphia-SJO San José Juan Santamaria Intl
8h 40m1 stop Atlanta Hartsfield-Jackson
JetBlue Logo
2:25 pm - 11:49 pmSJO  San José Juan Santamaria Intl-PHL Philadelphia
8h 24m1 stop Atlanta Hartsfield-Jackson
$340JetBlue
Tue, Oct 6 - Tue, Nov 3
Delta Logo
6:40 am - 10:15 pmPHL  Philadelphia-SJO San José Juan Santamaria Intl
16h 35m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:00 am - 10:24 pmSJO  San José Juan Santamaria Intl-PHL Philadelphia
14h 24m1 stop Atlanta Hartsfield-Jackson
$346Delta
Mon, Nov 16 - Thu, Nov 19
American Airlines Logo
7:06 am - 2:00 pmPHL  Philadelphia-SJO San José Juan Santamaria Intl
8h 54m1 stop Dallas/Fort Worth
American Airlines Logo
2:07 pm - 7:39 amSJO  San José Juan Santamaria Intl-PHL Philadelphia
16h 32m1 stop Charlotte Douglas
$346American Airlines
Tue, Oct 27 - Wed, Nov 4
American Airlines Logo
8:32 pm - 2:00 pmPHL  Philadelphia-SJO San José Juan Santamaria Intl
19h 28m1 stop Dallas/Fort Worth
American Airlines Logo
2:07 pm - 11:36 pmSJO  San José Juan Santamaria Intl-PHL Philadelphia
8h 29m1 stop Charlotte Douglas
$346American Airlines
Tue, Oct 27 - Tue, Nov 17
Delta Logo
8:00 am - 10:15 pmPHL  Philadelphia-SJO San José Juan Santamaria Intl
15h 15m1 stop Atlanta Hartsfield-Jackson
Delta Logo
2:30 pm - 12:47 amSJO  San José Juan Santamaria Intl-PHL Philadelphia
9h 17m1 stop Atlanta Hartsfield-Jackson
$346Delta
Mon, Nov 16 - Fri, Nov 20
Air Canada Logo
3:20 pm - 2:20 pmPHL  Philadelphia-LIR Liberia
24h 00m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
3:10 pm - 10:56 pmLIR  Liberia-PHL Philadelphia
30h 46m1 stop Toronto Pearson Intl
$382Air Canada
Tue, Dec 1 - Thu, Jan 21
Southwest Logo
6:25 am - 7:40 pmPHL  Philadelphia-SJO San José Juan Santamaria Intl
15h 15m2 stops Lambert-St Louis Houston Hobby
Southwest Logo
1:20 pm - 11:10 pmSJO  San José Juan Santamaria Intl-PHL Philadelphia
8h 50m1 stop Orlando
$383Southwest
Tue, Oct 27 - Tue, Nov 17
Air Canada Logo
3:20 pm - 2:20 pmPHL  Philadelphia-LIR Liberia
24h 00m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
3:10 pm - 2:44 pmLIR  Liberia-PHL Philadelphia
22h 34m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
$385Air Canada
Tue, Dec 1 - Thu, Jan 21
JetBlue Logo
5:20 am - 12:00 pmPHL  Philadelphia-SJO San José Juan Santamaria Intl
8h 40m1 stop Atlanta Hartsfield-Jackson
JetBlue Logo
2:25 pm - 12:55 amSJO  San José Juan Santamaria Intl-PHL Philadelphia
9h 30m1 stop Atlanta Hartsfield-Jackson
$391JetBlue
Tue, Oct 6 - Mon, Nov 2
Southwest Logo
6:25 am - 7:40 pmPHL  Philadelphia-SJO San José Juan Santamaria Intl
15h 15m2 stops Lambert-St Louis Houston Hobby
Southwest Logo
9:00 am - 10:10 pmSJO  San José Juan Santamaria Intl-PHL Philadelphia
11h 10m1 stop Orlando
$403Southwest
Thu, Oct 22 - Tue, Oct 27

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JetBlue flights from Philadelphia to Costa Rica

Our best JetBlue deals on Philadelphia to Costa Rica flight tickets
JetBlue
Oct 6
PHL5:20 amPhiladelphia
8h 40m
1 stop
SJO12:00 pmSan José Juan Santamaria Intl
Nov 3
SJO2:25 pmSan José Juan Santamaria Intl
8h 24m
1 stop
PHL11:49 pmPhiladelphia
$340
JetBlue
Oct 6
PHL5:20 amPhiladelphia
8h 40m
1 stop
SJO12:00 pmSan José Juan Santamaria Intl
Nov 2
SJO2:25 pmSan José Juan Santamaria Intl
9h 30m
1 stop
PHL12:55 amPhiladelphia
$391
JetBlue
Sep 6
PHL8:00 amPhiladelphia
7h 01m
1 stop
LIR1:01 pmLiberia
Nov 24
LIR3:10 pmLiberia
7h 33m
1 stop
PHL11:43 pmPhiladelphia
$402

Southwest flights from Philadelphia to Costa Rica

Our best Southwest deals on Philadelphia to Costa Rica flight tickets
Southwest
Oct 27
PHL6:25 amPhiladelphia
15h 15m
2 stops
SJO7:40 pmSan José Juan Santamaria Intl
Nov 17
SJO1:20 pmSan José Juan Santamaria Intl
8h 50m
1 stop
PHL11:10 pmPhiladelphia
$383
Southwest
Oct 22
PHL6:25 amPhiladelphia
15h 15m
2 stops
SJO7:40 pmSan José Juan Santamaria Intl
Oct 27
SJO9:00 amSan José Juan Santamaria Intl
11h 10m
1 stop
PHL10:10 pmPhiladelphia
$403
Southwest
Sep 29
PHL7:55 amPhiladelphia
12h 50m
2 stops
SJO6:45 pmSan José Juan Santamaria Intl
Oct 6
SJO9:00 amSan José Juan Santamaria Intl
11h 10m
1 stop
PHL10:10 pmPhiladelphia
$414

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 August 16, 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

PhiladelphiaSan José

PHL Philadelphia - SJO San José Juan Santamaria Intl

PHLSJO

Philadelphia

Tue 10/6

5:20 am-12:00 pm

1 stop8h 40m

San José Juan Santamaria Intl

Tue 11/3

2:25 pm-11:49 pm

1 stop8h 24m

$340

PhiladelphiaSan José

PHL Philadelphia - SJO San José Juan Santamaria Intl

PHLSJO

Philadelphia

Mon 11/16

6:40 am-10:15 pm

1 stop16h 35m

San José Juan Santamaria Intl

Thu 11/19

7:00 am-10:24 pm

1 stop14h 24m

$346

PhiladelphiaSan José

PHL Philadelphia - SJO San José Juan Santamaria Intl

PHLSJO

Philadelphia

Tue 10/27

7:06 am-2:00 pm

1 stop8h 54m

San José Juan Santamaria Intl

Wed 11/4

2:07 pm-7:39 am

1 stop16h 32m

$346

PhiladelphiaSan José

PHL Philadelphia - SJO San José Juan Santamaria Intl

PHLSJO

Philadelphia

Tue 10/27

8:32 pm-2:00 pm

1 stop19h 28m

San José Juan Santamaria Intl

Tue 11/17

2:07 pm-11:36 pm

1 stop8h 29m

$346

PhiladelphiaSan José

PHL Philadelphia - SJO San José Juan Santamaria Intl

PHLSJO

Philadelphia

Mon 11/16

8:00 am-10:15 pm

1 stop15h 15m

San José Juan Santamaria Intl

Fri 11/20

2:30 pm-12:47 am

1 stop9h 17m

$346

PhiladelphiaLiberia

PHL Philadelphia - LIR Liberia

PHLLIR

Philadelphia

Tue 12/1

3:20 pm-2:20 pm

1 stop24h 00m

Liberia

Thu 1/21

3:10 pm-10:56 pm

1 stop30h 46m

$382

PhiladelphiaSan José

PHL Philadelphia - SJO San José Juan Santamaria Intl

PHLSJO

Philadelphia

Tue 10/27

6:25 am-7:40 pm

2 stops15h 15m

San José Juan Santamaria Intl

Tue 11/17

1:20 pm-11:10 pm

1 stop8h 50m

$383

PhiladelphiaLiberia

PHL Philadelphia - LIR Liberia

PHLLIR

Philadelphia

Tue 12/1

3:20 pm-2:20 pm

1 stop24h 00m

Liberia

Thu 1/21

3:10 pm-2:44 pm

2 stops22h 34m

$385

PhiladelphiaSan José

PHL Philadelphia - SJO San José Juan Santamaria Intl

PHLSJO

Philadelphia

Tue 10/6

5:20 am-12:00 pm

1 stop8h 40m

San José Juan Santamaria Intl

Mon 11/2

2:25 pm-12:55 am

1 stop9h 30m

$391

PhiladelphiaSan José

PHL Philadelphia - SJO San José Juan Santamaria Intl

PHLSJO

Philadelphia

Thu 10/22

6:25 am-7:40 pm

2 stops15h 15m

San José Juan Santamaria Intl

Tue 10/27

9:00 am-10:10 pm

1 stop11h 10m

$403

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 $408, 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 May is your next best option. Flight prices from Philadelphia to Costa Rica during May average around $430.

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 $498 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 $448 on momondo.

What cabin class options are available on Philadelphia to Costa Rica flights?

There are 2 cabin classes 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.

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

$668

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 $668
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
DeltaPriceFrom $170Free CancellationRating
7.8
8,507 reviews
Search Delta flights
United AirlinesPriceFrom $218Free CancellationRating
7.4
10,107 reviews
Search United Airlines flights
JetBluePriceFrom $270Free CancellationRating
7.1
3,037 reviews
Search JetBlue flights
FrontierPriceFrom $275Free CancellationRating
5.6
2,686 reviews
Search Frontier flights
American AirlinesPriceFrom $294Free CancellationRating
7.1
11,943 reviews
Search American Airlines flights
SouthwestPriceFrom $395Free CancellationRating
8.0
4,218 reviews
Search Southwest flights
GOLPriceFrom $480Free CancellationRating
7.3
1,275 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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