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Cheap flights from Philadelphia to Costa Rica from $160

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 8/30. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Philadelphia to Costa Rica

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
8:41 pm - 11:53 am
PHL
-
LIR
17h 12m
1 stop
United Airlines Logo
11:10 am - 10:57 pm
LIR
-
PHL
9h 47m
1 stop
$372United Airlines
Fri, Jun 19 - Tue, Jun 23
United Airlines Logo
7:00 pm - 12:10 pm
PHL
-
LIR
19h 10m
2 stops
United Airlines Logo
11:10 am - 10:29 pm
LIR
-
PHL
9h 19m
1 stop
$377United Airlines
Fri, Jul 3 - Wed, Jul 8
Air Canada Logo
3:20 pm - 1:40 pm
PHL
-
LIR
23h 20m
1 stop
Air Canada Logo
2:40 pm - 2:44 pm
LIR
-
PHL
23h 04m
1 stop
$378Air Canada
Mon, Nov 2 - Sat, Nov 7
United Airlines Logo
7:40 pm - 12:10 pm
PHL
-
LIR
18h 30m
2 stops
United Airlines Logo
1:20 pm - 11:58 am
LIR
-
PHL
20h 38m
1 stop
$382United Airlines
Sat, Aug 15 - Tue, Sep 15
Delta Logo
5:15 am - 11:49 am
PHL
-
SJO
8h 34m
1 stop
Delta Logo
1:14 pm - 1:19 am
SJO
-
PHL
10h 05m
1 stop
$384Delta
Tue, Aug 25 - Thu, Sep 3
American Airlines Logo
9:50 pm - 12:03 pm
PHL
-
SJO
16h 13m
1 stop
American Airlines Logo
2:56 pm - 7:40 am
SJO
-
PHL
14h 44m
2 stops
$389American Airlines
Wed, Aug 26 - Wed, Sep 2
American Airlines Logo
2:32 pm - 7:52 pm
PHL
-
SJO
7h 20m
1 stop
American Airlines Logo
2:56 pm - 10:14 am
SJO
-
PHL
17h 18m
1 stop
$404American Airlines
Tue, Aug 18 - Wed, Aug 26
Southwest Logo
6:00 am - 6:40 pm
PHL
-
SJO
14h 40m
2 stops
Southwest Logo
9:00 am - 9:50 pm
SJO
-
PHL
10h 50m
2 stops
$407Southwest
Wed, Sep 9 - Mon, Sep 14
GOL Logo
2:32 pm - 7:53 pm
PHL
-
SJO
7h 21m
1 stop
GOL Logo
2:56 pm - 9:56 am
SJO
-
PHL
17h 00m
2 stops
$421GOL
Thu, Aug 20 - Wed, Aug 26
GOL Logo
2:32 pm - 7:52 pm
PHL
-
SJO
7h 20m
1 stop
GOL Logo
2:57 pm - 9:46 am
SJO
-
PHL
16h 49m
2 stops
$441GOL
Tue, Sep 8 - Sat, Sep 12

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American Airlines flights from Philadelphia to Costa Rica

Our best American Airlines deals on Philadelphia to Costa Rica flight tickets
American Airlines
Aug 26
PHL8:35 amPhiladelphia
13h 18m
2 stops
SJO7:53 pmSan José Juan Santamaria Intl
Sep 2
SJO2:56 pmSan José Juan Santamaria Intl
14h 44m
2 stops
PHL7:40 amPhiladelphia
$389
American Airlines
Aug 18
PHL2:32 pmPhiladelphia
7h 20m
1 stop
SJO7:52 pmSan José Juan Santamaria Intl
Aug 26
SJO2:56 pmSan José Juan Santamaria Intl
17h 18m
1 stop
PHL10:14 amPhiladelphia
$404
American Airlines
Jul 3
PHL11:03 pmPhiladelphia
16h 24m
1 stop
LIR1:27 pmLiberia
Jul 11
LIR2:27 pmLiberia
15h 38m
1 stop
PHL8:05 amPhiladelphia
$406

GOL flights from Philadelphia to Costa Rica

Our best GOL deals on Philadelphia to Costa Rica flight tickets
GOL
Aug 20
PHL2:32 pmPhiladelphia
7h 21m
1 stop
SJO7:53 pmSan José Juan Santamaria Intl
Aug 26
SJO2:56 pmSan José Juan Santamaria Intl
17h 00m
2 stops
PHL9:56 amPhiladelphia
$421
GOL
Sep 8
PHL2:32 pmPhiladelphia
7h 20m
1 stop
SJO7:52 pmSan José Juan Santamaria Intl
Sep 12
SJO2:57 pmSan José Juan Santamaria Intl
16h 49m
2 stops
PHL9:46 amPhiladelphia
$441
GOL
Aug 16
PHL7:38 pmPhiladelphia
17h 49m
2 stops
LIR11:27 amLiberia
Aug 21
LIR2:15 pmLiberia
27h 04m
2 stops
PHL7:19 pmPhiladelphia
$473

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 June 9, 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

Fri 6/19

8:41 pm-11:53 am

1 stop17h 12m

Liberia

Tue 6/23

11:10 am-10:57 pm

1 stop9h 47m

$372

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Fri 7/3

7:00 pm-12:10 pm

2 stops19h 10m

Liberia

Wed 7/8

11:10 am-10:29 pm

1 stop9h 19m

$377

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Mon 11/2

3:20 pm-1:40 pm

1 stop23h 20m

Liberia

Sat 11/7

2:40 pm-2:44 pm

1 stop23h 04m

$378

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Sat 8/15

7:40 pm-12:10 pm

2 stops18h 30m

Liberia

Tue 9/15

1:20 pm-11:58 am

1 stop20h 38m

$382
Quickest round-trip

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Tue 8/25

5:15 am-11:49 am

1 stop8h 34m

San José Juan Santamaria Intl

Thu 9/3

1:14 pm-1:19 am

1 stop10h 05m

$384

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Wed 8/26

9:50 pm-12:03 pm

1 stop16h 13m

San José Juan Santamaria Intl

Wed 9/2

2:56 pm-7:40 am

2 stops14h 44m

$389

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Tue 8/18

2:32 pm-7:52 pm

1 stop7h 20m

San José Juan Santamaria Intl

Wed 8/26

2:56 pm-10:14 am

1 stop17h 18m

$404

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Wed 9/9

6:00 am-6:40 pm

2 stops14h 40m

San José Juan Santamaria Intl

Mon 9/14

9:00 am-9:50 pm

2 stops10h 50m

$407

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Thu 8/20

2:32 pm-7:53 pm

1 stop7h 21m

San José Juan Santamaria Intl

Wed 8/26

2:56 pm-9:56 am

2 stops17h 00m

$421

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Tue 9/8

2:32 pm-7:52 pm

1 stop7h 20m

San José Juan Santamaria Intl

Sat 9/12

2:57 pm-9:46 am

2 stops16h 49m

$441

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 $495 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 $349 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 7% 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

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 $861
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
FrontierPriceFrom $141Free CancellationRating
5.6
2,902 reviews
Search Frontier flights
DeltaPriceFrom $170Free CancellationRating
7.9
8,394 reviews
Search Delta flights
United AirlinesPriceFrom $249Free CancellationRating
7.4
9,801 reviews
Search United Airlines flights
JetBluePriceFrom $270Free CancellationRating
7.1
2,980 reviews
Search JetBlue flights
SouthwestPriceFrom $285Free CancellationRating
7.9
4,238 reviews
Search Southwest flights
American AirlinesPriceFrom $289Free CancellationRating
7.1
11,639 reviews
Search American Airlines flights
GOLPriceFrom $480Free CancellationRating
7.3
1,226 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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