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Cheap flights from Philadelphia to Costa Rica from $162

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 8/17. 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
6:00 am - 11:30 am
PHL
-
LIR
7h 30m
1 stop
American Airlines Logo
2:15 pm - 9:19 am
LIR
-
PHL
17h 04m
1 stop
$358American Airlines
Tue, Aug 4 - Thu, Aug 27
American Airlines Logo
8:20 am - 7:53 pm
PHL
-
SJO
13h 33m
1 stop
American Airlines Logo
2:56 pm - 12:59 am
SJO
-
PHL
8h 03m
1 stop
$374American Airlines
Mon, Aug 24 - Thu, Sep 3
American Airlines Logo
8:35 am - 7:53 pm
PHL
-
SJO
13h 18m
2 stops
American Airlines Logo
2:56 pm - 12:59 am
SJO
-
PHL
8h 03m
1 stop
$379American Airlines
Mon, Aug 24 - Thu, Sep 3
United Airlines Logo
6:15 am - 12:10 pm
PHL
-
LIR
7h 55m
1 stop
United Airlines Logo
3:27 pm - 11:58 am
LIR
-
PHL
18h 31m
1 stop
$381United Airlines
Mon, Jun 15 - Tue, Jun 23
American Airlines Logo
9:32 pm - 1:27 pm
PHL
-
LIR
17h 55m
1 stop
American Airlines Logo
2:27 pm - 8:05 am
LIR
-
PHL
15h 38m
1 stop
$390American Airlines
Fri, Jul 3 - Sat, Jul 11
Delta Logo
5:30 am - 1:05 pm
PHL
-
SJO
8h 35m
1 stop
Delta Logo
2:30 pm - 9:27 am
SJO
-
PHL
17h 57m
1 stop
$394Delta
Mon, Nov 9 - Wed, Nov 18
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
$395GOL
Tue, Aug 4 - Thu, Aug 27
United Airlines Logo
8:20 am - 7:37 pm
PHL
-
SJO
13h 17m
2 stops
United Airlines Logo
7:55 am - 10:31 pm
SJO
-
PHL
12h 36m
1 stop
$399United Airlines
Wed, Sep 2 - Tue, Sep 22
GOL Logo
5:00 am - 10:59 pm
PHL
-
SJO
18h 59m
1 stop
GOL Logo
3:11 pm - 9:25 am
SJO
-
PHL
17h 14m
1 stop
$407GOL
Wed, Nov 11 - Mon, Nov 16
JetBlue Logo
6:25 am - 11:54 am
PHL
-
SJO
7h 29m
1 stop
JetBlue Logo
7:55 am - 6:57 pm
SJO
-
PHL
9h 02m
1 stop
$454JetBlue
Mon, Jun 15 - Mon, Jun 29

Avianca flights from Philadelphia to Costa Rica

Our best Avianca deals on Philadelphia to Costa Rica flight tickets
Avianca
Aug 17
PHL7:40 pmPhiladelphia
14h 50m
2 stops
SJO8:30 amSan José Juan Santamaria Intl
Aug 24
SJO7:45 pmSan José Juan Santamaria Intl
11h 58m
2 stops
PHL9:43 amPhiladelphia
$457
Avianca
Aug 17
PHL7:40 pmPhiladelphia
14h 50m
2 stops
SJO8:30 amSan José Juan Santamaria Intl
Aug 24
SJO7:45 pmSan José Juan Santamaria Intl
11h 58m
2 stops
PHL9:43 amPhiladelphia
$466
Avianca
Sep 1
PHL7:40 pmPhiladelphia
14h 50m
2 stops
SJO8:30 amSan José Juan Santamaria Intl
Sep 21
SJO5:25 pmSan José Juan Santamaria Intl
14h 18m
2 stops
PHL9:43 amPhiladelphia
$487

American Airlines flights from Philadelphia to Costa Rica

Our best American Airlines deals on Philadelphia to Costa Rica flight tickets
American Airlines
Sep 7
PHL7:00 amPhiladelphia
8h 38m
1 stop
LIR1:38 pmLiberia
Nov 23
LIR3:13 pmLiberia
17h 12m
1 stop
PHL9:25 amPhiladelphia
$360
American Airlines
Aug 24
PHL8:20 amPhiladelphia
13h 33m
1 stop
SJO7:53 pmSan José Juan Santamaria Intl
Sep 3
SJO2:56 pmSan José Juan Santamaria Intl
8h 03m
1 stop
PHL12:59 amPhiladelphia
$374
American Airlines
Aug 24
PHL8:35 amPhiladelphia
13h 18m
2 stops
SJO7:53 pmSan José Juan Santamaria Intl
Sep 3
SJO2:56 pmSan José Juan Santamaria Intl
8h 03m
1 stop
PHL12:59 amPhiladelphia
$379

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 25, 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

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Tue 8/4

6:00 am-11:30 am

1 stop7h 30m

Liberia

Thu 8/27

2:15 pm-9:19 am

1 stop17h 04m

$358

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Mon 8/24

8:20 am-7:53 pm

1 stop13h 33m

San José Juan Santamaria Intl

Thu 9/3

2:56 pm-12:59 am

1 stop8h 03m

$374

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Mon 8/24

8:35 am-7:53 pm

2 stops13h 18m

San José Juan Santamaria Intl

Thu 9/3

2:56 pm-12:59 am

1 stop8h 03m

$379

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Mon 6/15

6:15 am-12:10 pm

1 stop7h 55m

Liberia

Tue 6/23

3:27 pm-11:58 am

1 stop18h 31m

$381

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Fri 7/3

9:32 pm-1:27 pm

1 stop17h 55m

Liberia

Sat 7/11

2:27 pm-8:05 am

1 stop15h 38m

$390

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Mon 11/9

5:30 am-1:05 pm

1 stop8h 35m

San José Juan Santamaria Intl

Wed 11/18

2:30 pm-9:27 am

1 stop17h 57m

$394

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

$395

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Wed 9/2

8:20 am-7:37 pm

2 stops13h 17m

San José Juan Santamaria Intl

Tue 9/22

7:55 am-10:31 pm

1 stop12h 36m

$399

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Wed 11/11

5:00 am-10:59 pm

1 stop18h 59m

San José Juan Santamaria Intl

Mon 11/16

3:11 pm-9:25 am

1 stop17h 14m

$407
Quickest round-trip

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Mon 6/15

6:25 am-11:54 am

1 stop7h 29m

San José Juan Santamaria Intl

Mon 6/29

7:55 am-6:57 pm

1 stop9h 02m

$454

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 April is your next best option. Flight prices from Philadelphia to Costa Rica during April average around $119.

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 $477 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 $354 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 4% 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

$861

Fastest flight time

6h 45m

Direct flights

None
The best flight deal from Philadelphia to Costa Rica found on momondo in the last 72 hours is $861
The fastest flight from Philadelphia to Costa Rica takes 6h 45m
There are no direct flights from Philadelphia to Costa Rica. Popular non-direct route for this connection is Philadelphia Airport - Liberia Airport.
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
2,936 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $215Free CancellationRating
6.2
Search Spirit Airlines flights
DeltaPriceFrom $234Free CancellationRating
7.9
8,433 reviews
Search Delta flights
United AirlinesPriceFrom $249Free CancellationRating
7.4
9,747 reviews
Search United Airlines flights
JetBluePriceFrom $270Free CancellationRating
7.1
2,979 reviews
Search JetBlue flights
SouthwestPriceFrom $285Free CancellationRating
7.9
4,270 reviews
Search Southwest flights
American AirlinesPriceFrom $289Free CancellationRating
7.1
11,628 reviews
Search American Airlines flights
GOLPriceFrom $482Free CancellationRating
7.3
1,222 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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