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Cheap flights from Philadelphia to Costa Rica from $156

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 8/26. 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.
United Airlines Logo
6:15 am - 2:25 pm
PHL
-
LIR
10h 10m
1 stop
United Airlines Logo
3:27 pm - 11:58 am
LIR
-
PHL
18h 31m
1 stop
$358United Airlines
Mon, Jun 15 - Tue, Jun 23
American Airlines Logo
7:00 am - 1:38 pm
PHL
-
LIR
8h 38m
1 stop
American Airlines Logo
3:13 pm - 9:25 am
LIR
-
PHL
17h 12m
1 stop
$360American Airlines
Mon, Sep 7 - Mon, Nov 23
JetBlue Logo
8:10 am - 12:55 pm
PHL
-
LIR
6h 45m
1 stop
JetBlue Logo
2:05 pm - 11:44 pm
LIR
-
PHL
7h 39m
1 stop
$362JetBlue
Mon, Sep 21 - Wed, Sep 23
United Airlines Logo
7:45 pm - 10:44 am
PHL
-
LIR
16h 59m
2 stops
United Airlines Logo
1:03 pm - 12:59 am
LIR
-
PHL
9h 56m
1 stop
$363United Airlines
Tue, Jun 2 - Sat, Jun 6
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
$384Delta
Mon, Nov 9 - Fri, Nov 13
GOL Logo
7:40 pm - 11:00 am
PHL
-
LIR
17h 20m
1 stop
GOL Logo
1:10 pm - 9:44 am
LIR
-
PHL
18h 34m
2 stops
$399GOL
Thu, Sep 24 - Tue, Sep 29
JetBlue Logo
8:10 am - 12:55 pm
PHL
-
LIR
6h 45m
1 stop
JetBlue Logo
2:05 pm - 11:44 pm
LIR
-
PHL
7h 39m
1 stop
$407JetBlue
Sun, Sep 13 - Thu, Sep 17
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
Avianca Logo
7:40 pm - 8:30 am
PHL
-
SJO
14h 50m
2 stops
Avianca Logo
7:45 pm - 9:43 am
SJO
-
PHL
11h 58m
2 stops
$457Avianca
Mon, Aug 17 - Mon, Aug 24
Avianca Logo
7:40 pm - 8:45 am
PHL
-
SJO
15h 05m
2 stops
Avianca Logo
3:10 pm - 9:43 am
SJO
-
PHL
16h 33m
2 stops
$459Avianca
Wed, Aug 26 - Wed, Sep 2

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 26
PHL7:40 pmPhiladelphia
15h 05m
2 stops
SJO8:45 amSan José Juan Santamaria Intl
Sep 2
SJO3:10 pmSan José Juan Santamaria Intl
16h 33m
2 stops
PHL9:43 amPhiladelphia
$459
Avianca
Aug 21
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
$460

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
Jul 3
PHL9:32 pmPhiladelphia
17h 55m
1 stop
LIR1:27 pmLiberia
Jul 11
LIR2:27 pmLiberia
15h 38m
1 stop
PHL8:05 amPhiladelphia
$390
American Airlines
Nov 3
PHL5:00 amPhiladelphia
8h 09m
1 stop
SJO12:09 pmSan José Juan Santamaria Intl
Nov 11
SJO7:00 amSan José Juan Santamaria Intl
12h 14m
1 stop
PHL8:14 pmPhiladelphia
$394

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 22, 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

Mon 6/15

6:15 am-2:25 pm

1 stop10h 10m

Liberia

Tue 6/23

3:27 pm-11:58 am

1 stop18h 31m

$358

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Mon 9/7

7:00 am-1:38 pm

1 stop8h 38m

Liberia

Mon 11/23

3:13 pm-9:25 am

1 stop17h 12m

$360
Quickest round-trip

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Mon 9/21

8:10 am-12:55 pm

1 stop6h 45m

Liberia

Wed 9/23

2:05 pm-11:44 pm

1 stop7h 39m

$362

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Tue 6/2

7:45 pm-10:44 am

2 stops16h 59m

Liberia

Sat 6/6

1:03 pm-12:59 am

1 stop9h 56m

$363

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Mon 11/9

5:30 am-1:05 pm

1 stop8h 35m

San José Juan Santamaria Intl

Fri 11/13

2:30 pm-9:27 am

1 stop17h 57m

$384

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Thu 9/24

7:40 pm-11:00 am

1 stop17h 20m

Liberia

Tue 9/29

1:10 pm-9:44 am

2 stops18h 34m

$399

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Sun 9/13

8:10 am-12:55 pm

1 stop6h 45m

Liberia

Thu 9/17

2:05 pm-11:44 pm

1 stop7h 39m

$407

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

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Mon 8/17

7:40 pm-8:30 am

2 stops14h 50m

San José Juan Santamaria Intl

Mon 8/24

7:45 pm-9:43 am

2 stops11h 58m

$457

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Wed 8/26

7:40 pm-8:45 am

2 stops15h 05m

San José Juan Santamaria Intl

Wed 9/2

3:10 pm-9:43 am

2 stops16h 33m

$459

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 $476 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 $351 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
2,944 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $214Free CancellationRating
6.2
Search Spirit Airlines flights
DeltaPriceFrom $234Free CancellationRating
7.9
8,445 reviews
Search Delta flights
United AirlinesPriceFrom $249Free CancellationRating
7.4
9,752 reviews
Search United Airlines flights
JetBluePriceFrom $270Free CancellationRating
7.2
2,980 reviews
Search JetBlue flights
SouthwestPriceFrom $285Free CancellationRating
7.9
4,277 reviews
Search Southwest flights
American AirlinesPriceFrom $289Free CancellationRating
7.1
11,643 reviews
Search American Airlines flights
GOLPriceFrom $480Free CancellationRating
7.3
1,223 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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