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Cheap flights from Philadelphia to Costa Rica from $92

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 9/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Spirit Airlines Logo
9:50 pm - 11:14 amPHL-SJO
15h 24m1 stop
Spirit Airlines Logo
12:35 pm - 11:59 pmSJO-PHL
9h 24m1 stop
$214Spirit Airlines
Find Deal
Fri, Oct 3 - Thu, Oct 9
Spirit Airlines Logo
5:00 am - 11:14 amPHL-SJO
8h 14m1 stop
Spirit Airlines Logo
12:19 pm - 11:47 pmSJO-PHL
9h 28m1 stop
$220Spirit Airlines
Find Deal
Tue, Sep 30 - Sat, Oct 4
Delta Logo
6:50 am - 12:00 pmPHL-LIR
7h 10m1 stop
Delta Logo
1:25 pm - 12:52 amLIR-PHL
9h 27m1 stop
$345Delta
Find Deal
Tue, Oct 7 - Thu, Oct 16
American Airlines Logo
9:14 pm - 11:45 amPHL-LIR
16h 31m2 stops
American Airlines Logo
1:59 pm - 7:38 amLIR-PHL
15h 39m2 stops
$349American Airlines
Find Deal
Sat, Oct 18 - Fri, Oct 24
American Airlines Logo
6:00 am - 11:49 amPHL-LIR
7h 49m1 stop
American Airlines Logo
2:01 pm - 9:28 amLIR-PHL
17h 27m1 stop
$370American Airlines
Find Deal
Tue, Sep 30 - Sun, Oct 5
United Airlines Logo
5:01 pm - 12:10 pmPHL-LIR
21h 09m2 stops
United Airlines Logo
7:35 am - 10:46 pmLIR-PHL
13h 11m1 stop
$385United Airlines
Find Deal
Sat, Oct 25 - Sat, Nov 1
JetBlue Logo
7:00 am - 12:55 pmPHL-LIR
6h 55m1 stop
JetBlue Logo
2:00 pm - 11:04 pmLIR-PHL
8h 04m1 stop
$435JetBlue
Find Deal
Mon, Jan 19 - Wed, Jan 28
JetBlue Logo
7:00 am - 12:55 pmPHL-LIR
6h 55m1 stop
JetBlue Logo
2:00 pm - 11:04 pmLIR-PHL
8h 04m1 stop
$438JetBlue
Find Deal
Tue, Feb 3 - Tue, Feb 10
United Airlines Logo
1:00 pm - 12:10 pmPHL-LIR
25h 10m1 stop
United Airlines Logo
7:35 am - 10:46 pmLIR-PHL
13h 11m1 stop
$442United Airlines
Find Deal
Sat, Oct 25 - Sat, Nov 1
Delta Logo
5:25 am - 12:00 pmPHL-LIR
8h 35m1 stop
Delta Logo
1:25 pm - 12:54 amLIR-PHL
9h 29m1 stop
$512Delta
Find Deal
Wed, Oct 1 - Fri, Oct 3

Spirit Airlines flights from Philadelphia to Costa Rica

Our best Spirit Airlines deals on Philadelphia to Costa Rica flight tickets
Spirit Airlines
Sep 22
PHL9:50 pmPhiladelphia
15h 24m
1 stop
SJO11:14 amSan José Juan Santamaria Intl
Oct 1
SJO12:19 pmSan José Juan Santamaria Intl
9h 28m
1 stop
PHL11:47 pmPhiladelphia
$197
Find similar
Spirit Airlines
Oct 3
PHL9:50 pmPhiladelphia
15h 24m
1 stop
SJO11:14 amSan José Juan Santamaria Intl
Oct 9
SJO12:35 pmSan José Juan Santamaria Intl
9h 24m
1 stop
PHL11:59 pmPhiladelphia
$214
Find similar
Spirit Airlines
Sep 30
PHL5:00 amPhiladelphia
8h 14m
1 stop
SJO11:14 amSan José Juan Santamaria Intl
Oct 4
SJO12:19 pmSan José Juan Santamaria Intl
9h 28m
1 stop
PHL11:47 pmPhiladelphia
$220
Find similar

Air Canada flights from Philadelphia to Costa Rica

Our best Air Canada deals on Philadelphia to Costa Rica flight tickets
Air Canada
Nov 28
PHL3:30 pmPhiladelphia
23h 25m
1 stop
LIR1:55 pmLiberia
Dec 2
LIR2:55 pmLiberia
22h 52m
1 stop
PHL2:47 pmPhiladelphia
$320
Find similar
Air Canada
Nov 6
PHL9:20 amPhiladelphia
30h 25m
1 stop
LIR2:45 pmLiberia
Nov 11
LIR2:55 pmLiberia
22h 52m
1 stop
PHL2:47 pmPhiladelphia
$327
Find similar
Air Canada
Nov 6
PHL4:35 pmPhiladelphia
23h 10m
1 stop
LIR2:45 pmLiberia
Nov 11
LIR2:55 pmLiberia
22h 52m
1 stop
PHL2:47 pmPhiladelphia
$359
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 September 16, 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

Fri 10/3

9:50 pm-11:14 am

1 stop15h 24m

San José Juan Santamaria Intl

Thu 10/9

12:35 pm-11:59 pm

1 stop9h 24m

$214

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Tue 9/30

5:00 am-11:14 am

1 stop8h 14m

San José Juan Santamaria Intl

Sat 10/4

12:19 pm-11:47 pm

1 stop9h 28m

$220

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Tue 10/7

6:50 am-12:00 pm

1 stop7h 10m

Liberia

Thu 10/16

1:25 pm-12:52 am

1 stop9h 27m

$345

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Sat 10/18

9:14 pm-11:45 am

2 stops16h 31m

Liberia

Fri 10/24

1:59 pm-7:38 am

2 stops15h 39m

$349

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Tue 9/30

6:00 am-11:49 am

1 stop7h 49m

Liberia

Sun 10/5

2:01 pm-9:28 am

1 stop17h 27m

$370

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Sat 10/25

5:01 pm-12:10 pm

2 stops21h 09m

Liberia

Sat 11/1

7:35 am-10:46 pm

1 stop13h 11m

$385

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Mon 1/19

7:00 am-12:55 pm

1 stop6h 55m

Liberia

Wed 1/28

2:00 pm-11:04 pm

1 stop8h 04m

$435

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Tue 2/3

7:00 am-12:55 pm

1 stop6h 55m

Liberia

Tue 2/10

2:00 pm-11:04 pm

1 stop8h 04m

$438

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Sat 10/25

1:00 pm-12:10 pm

1 stop25h 10m

Liberia

Sat 11/1

7:35 am-10:46 pm

1 stop13h 11m

$442

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Wed 10/1

5:25 am-12:00 pm

1 stop8h 35m

Liberia

Fri 10/3

1:25 pm-12:54 am

1 stop9h 29m

$512

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 $427, 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 $558 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 $429 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 68% 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. 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
3,174 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $269Free CancellationRating
6.3
8,019 reviews
Search Spirit Airlines flights
DeltaPriceFrom $283Free CancellationRating
7.9
7,957 reviews
Search Delta flights
JetBluePriceFrom $318Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
American AirlinesPriceFrom $437Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $512Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
United AirlinesPriceFrom $553Free CancellationRating
7.4
8,924 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.

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