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Cheap flights from Philadelphia to Costa Rica from $77

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 11/5. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
8:10 am - 12:28 pmPHL-LIR
5h 18mnonstop
American Airlines Logo
1:22 pm - 7:14 pmLIR-PHL
4h 52mnonstop
$230American Airlines
Find Deal
Sat, Dec 13 - Sat, Dec 20
American Airlines Logo
5:00 am - 2:20 pmPHL-LIR
10h 20m1 stop
American Airlines Logo
1:22 pm - 7:14 pmLIR-PHL
4h 52mnonstop
$235American Airlines
Find Deal
Tue, Dec 16 - Sat, Dec 20
American Airlines Logo
8:10 am - 12:28 pmPHL-LIR
5h 18mnonstop
American Airlines Logo
11:55 am - 8:34 pmLIR-PHL
7h 39m1 stop
$240American Airlines
Find Deal
Sat, Dec 13 - Sat, Dec 20
JetBlue Logo
7:00 am - 12:55 pmPHL-LIR
6h 55m1 stop
JetBlue Logo
2:00 pm - 11:34 pmLIR-PHL
8h 34m1 stop
$242JetBlue
Find Deal
Sat, Jan 10 - Sat, Jan 17
United Airlines Logo
8:05 am - 6:37 pmPHL-LIR
11h 32m1 stop
United Airlines Logo
8:35 am - 10:59 pmLIR-PHL
13h 24m1 stop
$245United Airlines
Find Deal
Thu, Jan 29 - Wed, Feb 4
United Airlines Logo
6:00 am - 6:37 pmPHL-LIR
13h 37m2 stops
United Airlines Logo
2:20 pm - 10:24 amLIR-PHL
19h 04m2 stops
$249United Airlines
Find Deal
Sat, Nov 15 - Sat, Nov 22
Spirit Airlines Logo
9:09 pm - 12:25 pmPHL-SJO
16h 16m1 stop
Spirit Airlines Logo
12:39 pm - 9:17 amSJO-PHL
19h 38m2 stops
$258Spirit Airlines
Find Deal
Fri, Dec 5 - Mon, Dec 8
Spirit Airlines Logo
8:05 pm - 11:27 amPHL-SJO
16h 22m2 stops
Spirit Airlines Logo
1:16 am - 9:46 amSJO-PHL
7h 30m1 stop
$261Spirit Airlines
Find Deal
Tue, Jan 13 - Mon, Jan 26
JetBlue Logo
7:00 am - 12:56 pmPHL-SJO
6h 56m1 stop
JetBlue Logo
10:00 am - 10:49 pmSJO-PHL
11h 49m1 stop
$280JetBlue
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Thu, Dec 11 - Thu, Dec 18
Delta Logo
6:55 am - 2:30 pmPHL-LIR
8h 35m1 stop
Delta Logo
3:55 pm - 12:22 amLIR-PHL
7h 27m1 stop
$328Delta
Find Deal
Sun, Feb 22 - Mon, Mar 2

Spirit Airlines flights from Philadelphia to Costa Rica

Our best Spirit Airlines deals on Philadelphia to Costa Rica flight tickets
Spirit Airlines
Dec 5
PHL9:09 pmPhiladelphia
16h 16m
1 stop
SJO12:25 pmSan José Juan Santamaria Intl
Dec 8
SJO12:39 pmSan José Juan Santamaria Intl
19h 38m
2 stops
PHL9:17 amPhiladelphia
$258
Find similar
Spirit Airlines
Jan 13
PHL8:05 pmPhiladelphia
16h 22m
2 stops
SJO11:27 amSan José Juan Santamaria Intl
Jan 26
SJO1:16 amSan José Juan Santamaria Intl
7h 30m
1 stop
PHL9:46 amPhiladelphia
$261
Find similar
Spirit Airlines
Oct 30
PHL5:33 amPhiladelphia
7h 57m
1 stop
SJO11:30 amSan José Juan Santamaria Intl
Nov 2
SJO1:30 pmSan José Juan Santamaria Intl
19h 00m
1 stop
PHL9:30 amPhiladelphia
$263
Find similar

JetBlue flights from Philadelphia to Costa Rica

Our best JetBlue deals on Philadelphia to Costa Rica flight tickets
JetBlue
Jan 10
PHL7:00 amPhiladelphia
6h 55m
1 stop
LIR12:55 pmLiberia
Jan 17
LIR2:00 pmLiberia
8h 34m
1 stop
PHL11:34 pmPhiladelphia
$242
Find similar
JetBlue
Dec 11
PHL7:00 amPhiladelphia
6h 56m
1 stop
SJO12:56 pmSan José Juan Santamaria Intl
Dec 18
SJO10:00 amSan José Juan Santamaria Intl
11h 49m
1 stop
PHL10:49 pmPhiladelphia
$280
Find similar
JetBlue
Jan 14
PHL7:00 amPhiladelphia
6h 55m
1 stop
LIR12:55 pmLiberia
Jan 18
LIR2:00 pmLiberia
8h 34m
1 stop
PHL11:34 pmPhiladelphia
$285
Find similar

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 October 20, 2025.
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

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Sat 12/13

8:10 am-12:28 pm

Nonstop5h 18m

Liberia

Sat 12/20

1:22 pm-7:14 pm

Nonstop4h 52m

$230

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Tue 12/16

5:00 am-2:20 pm

1 stop10h 20m

Liberia

Sat 12/20

1:22 pm-7:14 pm

Nonstop4h 52m

$235

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Sat 12/13

8:10 am-12:28 pm

Nonstop5h 18m

Liberia

Sat 12/20

11:55 am-8:34 pm

1 stop7h 39m

$240

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Sat 1/10

7:00 am-12:55 pm

1 stop6h 55m

Liberia

Sat 1/17

2:00 pm-11:34 pm

1 stop8h 34m

$242

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Thu 1/29

8:05 am-6:37 pm

1 stop11h 32m

Liberia

Wed 2/4

8:35 am-10:59 pm

1 stop13h 24m

$245

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Sat 11/15

6:00 am-6:37 pm

2 stops13h 37m

Liberia

Sat 11/22

2:20 pm-10:24 am

2 stops19h 04m

$249

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Fri 12/5

9:09 pm-12:25 pm

1 stop16h 16m

San José Juan Santamaria Intl

Mon 12/8

12:39 pm-9:17 am

2 stops19h 38m

$258

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Tue 1/13

8:05 pm-11:27 am

2 stops16h 22m

San José Juan Santamaria Intl

Mon 1/26

1:16 am-9:46 am

1 stop7h 30m

$261

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Thu 12/11

7:00 am-12:56 pm

1 stop6h 56m

San José Juan Santamaria Intl

Thu 12/18

10:00 am-10:49 pm

1 stop11h 49m

$280

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Sun 2/22

6:55 am-2:30 pm

1 stop8h 35m

Liberia

Mon 3/2

3:55 pm-12:22 am

1 stop7h 27m

$328

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 October. Flight prices, which tend to average around $357, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in October, then September is your next best option. Flight prices from Philadelphia to Costa Rica during September average around $439.

What is the cheapest day to depart on your flight to Costa Rica?

According to our data, Tuesday is the cheapest day to fly to Costa Rica from Philadelphia. The lowest ticket price found for a Tuesday departure recently was $479. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $586. These prices are subject to change though, so be sure to set up a Price Alert for flights to Costa Rica.

What is the cheapest time of day to depart on your flight to Costa Rica?

In the evening is the cheapest time of day to fly from Philadelphia to Costa Rica when you can find flight prices for as low as $393. Flying to Costa Rica in the evening is an ideal time because this is during off-peak travel hours. Flights to Costa Rica are more costly at noon, with an average ticket price of $596. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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 $542 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 $407 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 82% 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

$1,053

Fastest flight time

5h 09m

Direct flights

Sun

Airports in Costa Rica

1 airport
The best flight deal from Philadelphia to Costa Rica found on momondo in the last 72 hours is $1,053
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 is 1 airport near Costa Rica: 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
5.8
3,130 reviews
Search Frontier flights
JetBluePriceFrom $251Free CancellationRating
7.2
2,909 reviews
Search JetBlue flights
Spirit AirlinesPriceFrom $260Free CancellationRating
6.3
8,095 reviews
Search Spirit Airlines flights
DeltaPriceFrom $283Free CancellationRating
7.9
7,978 reviews
Search Delta flights
American AirlinesPriceFrom $414Free CancellationRating
7.2
11,023 reviews
Search American Airlines flights
SouthwestPriceFrom $512Free CancellationRating
8.0
4,238 reviews
Search Southwest flights
United AirlinesPriceFrom $553Free CancellationRating
7.4
8,991 reviews
Search United Airlines 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.

An easier way to manage your Costa Rica trip

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Wed 11/19
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