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Cheap flights from Philadelphia to Costa Rica from $96

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 2/9. 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.
Spirit Airlines Logo
6:00 am - 12:22 pm
PHL
-
SJO
7h 22m1 stop
Spirit Airlines Logo
1:30 pm - 11:50 pm
SJO
-
PHL
9h 20m1 stop
$244Spirit Airlines
lun., ene. 26 - jue., feb. 5
Spirit Airlines Logo
6:00 am - 12:22 pm
PHL
-
SJO
7h 22m1 stop
Spirit Airlines Logo
12:33 pm - 11:50 pm
SJO
-
PHL
10h 17m2 stops
$246Spirit Airlines
dom., ene. 11 - sáb., ene. 31
Spirit Airlines Logo
6:00 am - 12:22 pm
PHL
-
SJO
7h 22m1 stop
Spirit Airlines Logo
12:33 pm - 11:50 pm
SJO
-
PHL
10h 17m2 stops
$249Spirit Airlines
dom., ene. 11 - sáb., ene. 31
Multiple Airlines Logo
6:11 pm - 11:37 am
PHL
-
SJO
18h 26m2 stops
Multiple Airlines Logo
3:12 pm - 12:52 am
SJO
-
PHL
8h 40m1 stop
$250Multiple Airlines
sáb., ene. 10 - sáb., ene. 17
Frontier Logo
5:05 am - 12:14 pm
PHL
-
SJO
8h 09m1 stop
Frontier Logo
12:45 pm - 12:52 am
SJO
-
PHL
11h 07m1 stop
$253Frontier
sáb., ene. 10 - sáb., mar. 7
American Airlines Logo
7:55 am - 12:27 pm
PHL
-
LIR
5h 32mnonstop
American Airlines Logo
1:46 pm - 11:40 pm
LIR
-
PHL
8h 54m1 stop
$276American Airlines
sáb., ene. 17 - sáb., ene. 24
United Airlines Logo
6:30 am - 6:37 pm
PHL
-
LIR
13h 07m2 stops
United Airlines Logo
8:35 am - 10:59 pm
LIR
-
PHL
13h 24m1 stop
$281United Airlines
sáb., ene. 10 - sáb., ene. 17
American Airlines Logo
7:41 pm - 12:12 pm
PHL
-
LIR
17h 31m2 stops
American Airlines Logo
3:13 pm - 9:25 am
LIR
-
PHL
17h 12m1 stop
$285American Airlines
lun., ene. 19 - mar., ene. 27
United Airlines Logo
8:02 pm - 1:10 pm
PHL
-
LIR
18h 08m2 stops
United Airlines Logo
8:35 am - 10:57 pm
LIR
-
PHL
13h 22m1 stop
$305United Airlines
jue., feb. 19 - mar., feb. 24
JetBlue Logo
7:00 am - 11:55 am
PHL
-
LIR
6h 55m1 stop
JetBlue Logo
1:00 pm - 10:42 pm
LIR
-
PHL
7h 42m1 stop
$310JetBlue
mar., mar. 24 - mar., mar. 31

Spirit Airlines flights from Philadelphia to Costa Rica

Our best Spirit Airlines deals on Philadelphia to Costa Rica flight tickets
Spirit Airlines
Jan 26
PHL6:00 amPhiladelphia
7h 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
$244
Find similar
Spirit Airlines
Jan 11
PHL6:00 amPhiladelphia
7h 22m
1 stop
SJO12:22 pmSan José Juan Santamaria Intl
Jan 31
SJO12:33 pmSan José Juan Santamaria Intl
10h 17m
2 stops
PHL11:50 pmPhiladelphia
$246
Find similar
Spirit Airlines
Jan 11
PHL6:00 amPhiladelphia
7h 22m
1 stop
SJO12:22 pmSan José Juan Santamaria Intl
Jan 31
SJO12:33 pmSan José Juan Santamaria Intl
10h 17m
2 stops
PHL11:50 pmPhiladelphia
$249
Find similar

Frontier flights from Philadelphia to Costa Rica

Our best Frontier deals on Philadelphia to Costa Rica flight tickets
Frontier
Jan 10
PHL5:05 amPhiladelphia
8h 09m
1 stop
SJO12:14 pmSan José Juan Santamaria Intl
Mar 7
SJO12:45 pmSan José Juan Santamaria Intl
11h 07m
1 stop
PHL12:52 amPhiladelphia
$253
Find similar
Frontier
Dec 19
PHL10:00 pmPhiladelphia
12h 21m
1 stop
SJO9:21 amSan José Juan Santamaria Intl
Dec 27
SJO10:36 amSan José Juan Santamaria Intl
13h 04m
1 stop
PHL12:40 amPhiladelphia
$362
Find similar
Frontier
Dec 19
PHL5:32 pmPhiladelphia
16h 49m
2 stops
SJO9:21 amSan José Juan Santamaria Intl
Dec 27
SJO10:36 amSan José Juan Santamaria Intl
13h 04m
1 stop
PHL12:40 amPhiladelphia
$417
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 diciembre 11, 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

lun. 1/26

6:00 am-12:22 pm

1 stop7h 22m

San José Juan Santamaria Intl

jue. 2/5

1:30 pm-11:50 pm

1 stop9h 20m

$244

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

dom. 1/11

6:00 am-12:22 pm

1 stop7h 22m

San José Juan Santamaria Intl

sáb. 1/31

12:33 pm-11:50 pm

2 stops10h 17m

$246

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

dom. 1/11

6:00 am-12:22 pm

1 stop7h 22m

San José Juan Santamaria Intl

sáb. 1/31

12:33 pm-11:50 pm

2 stops10h 17m

$249

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

sáb. 1/10

6:11 pm-11:37 am

2 stops18h 26m

San José Juan Santamaria Intl

sáb. 1/17

3:12 pm-12:52 am

1 stop8h 40m

$250

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

sáb. 1/10

5:05 am-12:14 pm

1 stop8h 09m

San José Juan Santamaria Intl

sáb. 3/7

12:45 pm-12:52 am

1 stop11h 07m

$253

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

sáb. 1/17

7:55 am-12:27 pm

Nonstop5h 32m

Liberia

sáb. 1/24

1:46 pm-11:40 pm

1 stop8h 54m

$276

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

sáb. 1/10

6:30 am-6:37 pm

2 stops13h 07m

Liberia

sáb. 1/17

8:35 am-10:59 pm

1 stop13h 24m

$281

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

lun. 1/19

7:41 pm-12:12 pm

2 stops17h 31m

Liberia

mar. 1/27

3:13 pm-9:25 am

1 stop17h 12m

$285

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

jue. 2/19

8:02 pm-1:10 pm

2 stops18h 08m

Liberia

mar. 2/24

8:35 am-10:57 pm

1 stop13h 22m

$305

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

mar. 3/24

7:00 am-11:55 am

1 stop6h 55m

Liberia

mar. 3/31

1:00 pm-10:42 pm

1 stop7h 42m

$310

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 $519 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 $385 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

Best Price Found

$434

Fastest flight time

5h 17m

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 $434
The fastest flight from Philadelphia to Costa Rica takes 5h 17m
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

  • 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
3,084 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $239Free CancellationRating
6.3
8,175 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $249Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
JetBluePriceFrom $251Free CancellationRating
7.2
2,898 reviews
Search JetBlue flights
DeltaPriceFrom $283Free CancellationRating
7.9
8,008 reviews
Search Delta flights
American AirlinesPriceFrom $320Free CancellationRating
7.2
11,048 reviews
Search American Airlines flights
SouthwestPriceFrom $437Free CancellationRating
7.9
4,252 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.

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