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Cheap flights from Philadelphia to Costa Rica from $87

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 12/2. 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.
JetBlue Logo
7:00 am - 12:40 pmPHL-SJO
6h 40m1 stop
JetBlue Logo
1:45 pm - 11:34 pmSJO-PHL
8h 49m1 stop
$252JetBlue
Find Deal
Wed, Feb 4 - Mon, Feb 9
Spirit Airlines Logo
3:00 pm - 11:37 amPHL-SJO
21h 37m2 stops
Spirit Airlines Logo
1:30 pm - 11:50 pmSJO-PHL
9h 20m1 stop
$253Spirit Airlines
Find Deal
Tue, Jan 13 - Tue, Jan 27
United Airlines Logo
5:07 pm - 12:56 pmPHL-SJO
20h 49m1 stop
United Airlines Logo
8:45 am - 10:45 pmSJO-PHL
13h 00m1 stop
$254United Airlines
Find Deal
Fri, Dec 5 - Sat, Dec 13
Spirit Airlines Logo
6:11 pm - 11:37 amPHL-SJO
18h 26m2 stops
Spirit Airlines Logo
1:30 pm - 11:50 pmSJO-PHL
9h 20m1 stop
$255Spirit Airlines
Find Deal
Mon, Jan 12 - Tue, Jan 20
Spirit Airlines Logo
3:00 pm - 12:22 pmPHL-SJO
22h 22m1 stop
Spirit Airlines Logo
1:30 pm - 11:50 pmSJO-PHL
9h 20m1 stop
$256Spirit Airlines
Find Deal
Tue, Jan 27 - Thu, Feb 5
Frontier Logo
5:15 am - 1:42 pmPHL-SJO
9h 27m1 stop
Frontier Logo
1:35 pm - 12:51 amSJO-PHL
10h 16m1 stop
$257Frontier
Find Deal
Wed, Dec 31 - Sat, Jan 10
JetBlue Logo
7:00 am - 12:40 pmPHL-LIR
6h 40m1 stop
JetBlue Logo
2:00 pm - 11:34 pmLIR-PHL
8h 34m1 stop
$283JetBlue
Find Deal
Mon, Jan 26 - Thu, Jan 29
United Airlines Logo
5:00 pm - 1:10 pmPHL-LIR
21h 10m2 stops
United Airlines Logo
8:35 am - 10:59 pmLIR-PHL
13h 24m1 stop
$307United Airlines
Find Deal
Mon, Jan 12 - Fri, Jan 16
American Airlines Logo
7:24 pm - 12:37 pmPHL-LIR
18h 13m1 stop
American Airlines Logo
1:28 pm - 9:03 amLIR-PHL
18h 35m1 stop
$309American Airlines
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Sat, Jan 17 - Sat, Jan 24
American Airlines Logo
6:00 am - 12:19 pmPHL-LIR
7h 19m1 stop
American Airlines Logo
1:25 pm - 11:57 pmLIR-PHL
9h 32m2 stops
$311American Airlines
Find Deal
Wed, Dec 3 - Wed, Dec 10

Spirit Airlines flights from Philadelphia to Costa Rica

Our best Spirit Airlines deals on Philadelphia to Costa Rica flight tickets
Spirit Airlines
Jan 13
PHL3:00 pmPhiladelphia
21h 37m
2 stops
SJO11:37 amSan José Juan Santamaria Intl
Jan 27
SJO1:30 pmSan José Juan Santamaria Intl
9h 20m
1 stop
PHL11:50 pmPhiladelphia
$253
Find similar
Spirit Airlines
Jan 12
PHL6:11 pmPhiladelphia
18h 26m
2 stops
SJO11:37 amSan José Juan Santamaria Intl
Jan 20
SJO1:30 pmSan José Juan Santamaria Intl
9h 20m
1 stop
PHL11:50 pmPhiladelphia
$255
Find similar
Spirit Airlines
Jan 27
PHL3:00 pmPhiladelphia
22h 22m
1 stop
SJO12:22 pmSan José Juan Santamaria Intl
Feb 5
SJO1:30 pmSan José Juan Santamaria Intl
9h 20m
1 stop
PHL11:50 pmPhiladelphia
$256
Find similar

JetBlue flights from Philadelphia to Costa Rica

Our best JetBlue deals on Philadelphia to Costa Rica flight tickets
JetBlue
Feb 4
PHL7:00 amPhiladelphia
6h 40m
1 stop
SJO12:40 pmSan José Juan Santamaria Intl
Feb 9
SJO1:45 pmSan José Juan Santamaria Intl
8h 49m
1 stop
PHL11:34 pmPhiladelphia
$252
Find similar
JetBlue
Jan 26
PHL7:00 amPhiladelphia
6h 40m
1 stop
LIR12:40 pmLiberia
Jan 29
LIR2:00 pmLiberia
8h 34m
1 stop
PHL11:34 pmPhiladelphia
$283
Find similar
JetBlue
Dec 17
PHL12:30 pmPhiladelphia
25h 25m
1 stop
LIR12:55 pmLiberia
Dec 21
LIR2:00 pmLiberia
7h 49m
1 stop
PHL10:49 pmPhiladelphia
$287
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 November 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

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Wed 2/4

7:00 am-12:40 pm

1 stop6h 40m

San José Juan Santamaria Intl

Mon 2/9

1:45 pm-11:34 pm

1 stop8h 49m

$252

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Tue 1/13

3:00 pm-11:37 am

2 stops21h 37m

San José Juan Santamaria Intl

Tue 1/27

1:30 pm-11:50 pm

1 stop9h 20m

$253

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Fri 12/5

5:07 pm-12:56 pm

1 stop20h 49m

San José Juan Santamaria Intl

Sat 12/13

8:45 am-10:45 pm

1 stop13h 00m

$254

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Mon 1/12

6:11 pm-11:37 am

2 stops18h 26m

San José Juan Santamaria Intl

Tue 1/20

1:30 pm-11:50 pm

1 stop9h 20m

$255

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Tue 1/27

3:00 pm-12:22 pm

1 stop22h 22m

San José Juan Santamaria Intl

Thu 2/5

1:30 pm-11:50 pm

1 stop9h 20m

$256

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Wed 12/31

5:15 am-1:42 pm

1 stop9h 27m

San José Juan Santamaria Intl

Sat 1/10

1:35 pm-12:51 am

1 stop10h 16m

$257

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Mon 1/26

7:00 am-12:40 pm

1 stop6h 40m

Liberia

Thu 1/29

2:00 pm-11:34 pm

1 stop8h 34m

$283

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Mon 1/12

5:00 pm-1:10 pm

2 stops21h 10m

Liberia

Fri 1/16

8:35 am-10:59 pm

1 stop13h 24m

$307

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Sat 1/17

7:24 pm-12:37 pm

1 stop18h 13m

Liberia

Sat 1/24

1:28 pm-9:03 am

1 stop18h 35m

$309

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Wed 12/3

6:00 am-12:19 pm

1 stop7h 19m

Liberia

Wed 12/10

1:25 pm-11:57 pm

2 stops9h 32m

$311

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 $356, 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 $535 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 $397 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 75% 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

Fastest flight time

5h 09m

Direct flights

Sun

Airports in Costa Rica

1 airport
The fastest flight from Philadelphia to Costa Rica takes 5h 09m
Direct flights go from Philadelphia to Costa Rica on Sunday. The only airline offering direct flights is American Airlines.
There is 1 airport near Costa Rica: Liberia (LIR)
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  • 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
3,106 reviews
Search Frontier flights
United AirlinesPriceFrom $249Free CancellationRating
7.4
9,029 reviews
Search United Airlines flights
JetBluePriceFrom $251Free CancellationRating
7.2
2,902 reviews
Search JetBlue flights
Spirit AirlinesPriceFrom $254Free CancellationRating
6.3
8,156 reviews
Search Spirit Airlines flights
DeltaPriceFrom $283Free CancellationRating
7.9
8,002 reviews
Search Delta flights
American AirlinesPriceFrom $346Free CancellationRating
7.2
11,045 reviews
Search American Airlines flights
SouthwestPriceFrom $512Free CancellationRating
8.0
4,249 reviews
Search Southwest 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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