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Cheap flights from Philadelphia to Costa Rica from $80

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 8/31. 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
12:19 pm - 11:47 pmSJO-PHL
9h 28m1 stop
$255Spirit Airlines
Find Deal
Sat, Sep 6 - Wed, Sep 17
Spirit Airlines Logo
8:41 pm - 11:12 amPHL-SJO
16h 31m1 stop
Spirit Airlines Logo
12:18 pm - 11:20 pmSJO-PHL
9h 02m1 stop
$256Spirit Airlines
Find Deal
Sat, Aug 23 - Fri, Aug 29
Air Canada Logo
3:30 pm - 1:50 pmPHL-LIR
23h 20m1 stop
Air Canada Logo
3:45 pm - 10:56 pmLIR-PHL
30h 11m1 stop
$334Air Canada
Find Deal
Wed, Nov 5 - Wed, Nov 12
Air Canada Logo
4:35 pm - 2:45 pmPHL-LIR
23h 10m1 stop
Air Canada Logo
2:50 pm - 2:47 pmLIR-PHL
22h 57m1 stop
$399Air Canada
Find Deal
Sun, Nov 9 - Fri, Nov 14
Delta Logo
5:25 am - 12:00 pmPHL-LIR
8h 35m1 stop
Delta Logo
1:25 pm - 12:54 amLIR-PHL
9h 29m1 stop
$538Delta
Find Deal
Sun, Sep 7 - Tue, Sep 16
Delta Logo
6:50 am - 12:00 pmPHL-LIR
7h 10m1 stop
Delta Logo
1:25 pm - 12:52 amLIR-PHL
9h 27m1 stop
$545Delta
Find Deal
Tue, Oct 14 - Tue, Oct 21
American Airlines Logo
5:00 am - 12:16 pmPHL-LIR
8h 16m1 stop
American Airlines Logo
1:21 pm - 11:54 pmLIR-PHL
9h 33m2 stops
$549American Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 12
American Airlines Logo
5:00 am - 1:01 pmPHL-LIR
10h 01m1 stop
American Airlines Logo
12:49 pm - 7:41 amLIR-PHL
16h 52m2 stops
$551American Airlines
Find Deal
Sun, Sep 7 - Tue, Sep 16
United Airlines Logo
7:58 pm - 12:10 pmPHL-LIR
18h 12m2 stops
United Airlines Logo
1:20 pm - 11:56 amLIR-PHL
20h 36m2 stops
$589United Airlines
Find Deal
Fri, Sep 12 - Mon, Sep 15
United Airlines Logo
7:58 pm - 12:10 pmPHL-LIR
18h 12m2 stops
United Airlines Logo
1:20 pm - 9:46 amLIR-PHL
18h 26m2 stops
$604United Airlines
Find Deal
Thu, Oct 2 - Thu, Oct 9

Spirit Airlines flights from Philadelphia to Costa Rica

Our best Spirit Airlines deals on Philadelphia to Costa Rica flight tickets
Spirit Airlines
Sep 6
PHL9:50 pmPhiladelphia
15h 24m
1 stop
SJO11:14 amSan José Juan Santamaria Intl
Sep 17
SJO12:19 pmSan José Juan Santamaria Intl
9h 28m
1 stop
PHL11:47 pmPhiladelphia
$255
Find similar
Spirit Airlines
Aug 23
PHL8:41 pmPhiladelphia
16h 31m
1 stop
SJO11:12 amSan José Juan Santamaria Intl
Aug 29
SJO12:18 pmSan José Juan Santamaria Intl
9h 02m
1 stop
PHL11:20 pmPhiladelphia
$256
Find similar
Spirit Airlines
Sep 6
PHL9:50 pmPhiladelphia
15h 24m
1 stop
SJO11:14 amSan José Juan Santamaria Intl
Sep 17
SJO12:19 pmSan José Juan Santamaria Intl
22h 43m
2 stops
PHL1:02 pmPhiladelphia
$266
Find similar

JetBlue flights from Philadelphia to Costa Rica

Our best JetBlue deals on Philadelphia to Costa Rica flight tickets
JetBlue
Oct 13
PHL7:55 pmPhiladelphia
18h 00m
1 stop
SJO11:55 amSan José Juan Santamaria Intl
Oct 17
SJO1:00 pmSan José Juan Santamaria Intl
19h 50m
1 stop
PHL10:50 amPhiladelphia
$265
Find similar
JetBlue
Sep 15
PHL7:55 pmPhiladelphia
18h 00m
1 stop
SJO11:55 amSan José Juan Santamaria Intl
Sep 19
SJO1:00 pmSan José Juan Santamaria Intl
19h 50m
1 stop
PHL10:50 amPhiladelphia
$312
Find similar
JetBlue
Nov 1
PHL7:00 amPhiladelphia
7h 06m
1 stop
SJO12:06 pmSan José Juan Santamaria Intl
Nov 6
SJO2:01 pmSan José Juan Santamaria Intl
8h 07m
1 stop
PHL11:08 pmPhiladelphia
$318
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 August 18, 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

Sat 9/6

9:50 pm-11:14 am

1 stop15h 24m

San José Juan Santamaria Intl

Wed 9/17

12:19 pm-11:47 pm

1 stop9h 28m

$255

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Sat 8/23

8:41 pm-11:12 am

1 stop16h 31m

San José Juan Santamaria Intl

Fri 8/29

12:18 pm-11:20 pm

1 stop9h 02m

$256

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Wed 11/5

3:30 pm-1:50 pm

1 stop23h 20m

Liberia

Wed 11/12

3:45 pm-10:56 pm

1 stop30h 11m

$334

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Sun 11/9

4:35 pm-2:45 pm

1 stop23h 10m

Liberia

Fri 11/14

2:50 pm-2:47 pm

1 stop22h 57m

$399

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Sun 9/7

5:25 am-12:00 pm

1 stop8h 35m

Liberia

Tue 9/16

1:25 pm-12:54 am

1 stop9h 29m

$538

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Tue 10/14

6:50 am-12:00 pm

1 stop7h 10m

Liberia

Tue 10/21

1:25 pm-12:52 am

1 stop9h 27m

$545

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Wed 11/5

5:00 am-12:16 pm

1 stop8h 16m

Liberia

Wed 11/12

1:21 pm-11:54 pm

2 stops9h 33m

$549

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Sun 9/7

5:00 am-1:01 pm

1 stop10h 01m

Liberia

Tue 9/16

12:49 pm-7:41 am

2 stops16h 52m

$551

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Fri 9/12

7:58 pm-12:10 pm

2 stops18h 12m

Liberia

Mon 9/15

1:20 pm-11:56 am

2 stops20h 36m

$589

PhiladelphiaLiberia

PHL - LIR

PHLLIR

Philadelphia

Thu 10/2

7:58 pm-12:10 pm

2 stops18h 12m

Liberia

Thu 10/9

1:20 pm-9:46 am

2 stops18h 26m

$604

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 September. Flight prices, which tend to average around $366, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in September, then October is your next best option. Flight prices from Philadelphia to Costa Rica during October average around $384.

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 $545 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 $422 on momondo.

What cabin class options are available on Philadelphia to Costa Rica flights?

There are 1 cabin classes 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.

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

$80

Fastest flight time

5h 09m

Direct flights

Sun

Airports in Costa Rica

2 airports
The best one-way flight to Costa Rica from Philadelphia in the past 72 hours is $80. The best round-trip flight deal from Philadelphia to Costa Rica found on momondo in the last 72 hours is $255.
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 are 2 airports near Costa Rica: Liberia (LIR), San José Juan Santamaria Intl (SJO)
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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 $89Free CancellationRating
5.8
3,212 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $271Free CancellationRating
6.3
8,038 reviews
Search Spirit Airlines flights
DeltaPriceFrom $283Free CancellationRating
8.0
7,981 reviews
Search Delta flights
American AirlinesPriceFrom $384Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Air CanadaPriceFrom $426Free CancellationRating
7.1
9,992 reviews
Search Air Canada flights
SouthwestPriceFrom $512Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
United AirlinesPriceFrom $553Free CancellationRating
7.4
8,925 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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