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Cheap flights from Philadelphia to Costa Rica from $152

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 9/30. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Philadelphia to Costa Rica

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:15 am - 10:15 pmPHL  Philadelphia-SJO San José Juan Santamaria Intl
18h 00m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:00 am - 4:12 pmSJO  San José Juan Santamaria Intl-PHL Philadelphia
8h 12m1 stop Atlanta Hartsfield-Jackson
$341Delta
Mon, Nov 30 - Tue, Dec 15
American Airlines Logo
8:32 pm - 2:00 pmPHL  Philadelphia-SJO San José Juan Santamaria Intl
19h 28m1 stop Dallas/Fort Worth
American Airlines Logo
2:07 pm - 11:36 pmSJO  San José Juan Santamaria Intl-PHL Philadelphia
8h 29m1 stop Charlotte Douglas
$346American Airlines
Tue, Oct 27 - Tue, Nov 17
American Airlines Logo
5:00 am - 12:00 pmPHL  Philadelphia-SJO San José Juan Santamaria Intl
9h 00m1 stop Miami
American Airlines Logo
6:00 am - 6:52 pmSJO  San José Juan Santamaria Intl-PHL Philadelphia
10h 52m1 stop Miami
$346American Airlines
Tue, Oct 6 - Thu, Oct 15
Air Canada Logo
3:20 pm - 2:20 pmPHL  Philadelphia-LIR Liberia
24h 00m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
3:10 pm - 10:56 pmLIR  Liberia-PHL Philadelphia
30h 46m1 stop Toronto Pearson Intl
$374Air Canada
Tue, Dec 1 - Thu, Jan 21
Air Canada Logo
4:20 pm - 11:50 amPHL  Philadelphia-LIR Liberia
21h 30m1 stop Toronto Pearson Intl
Air Canada Logo
2:10 pm - 10:56 pmLIR  Liberia-PHL Philadelphia
30h 46m1 stop Toronto Pearson Intl
$376Air Canada
Fri, Oct 23 - Wed, Oct 28
Delta Logo
5:15 am - 12:00 pmPHL  Philadelphia-LIR Liberia
8h 45m1 stop Atlanta Hartsfield-Jackson
Delta Logo
1:25 pm - 1:19 amLIR  Liberia-PHL Philadelphia
9h 54m1 stop Atlanta Hartsfield-Jackson
$388Delta
Sun, Aug 30 - Fri, Sep 4
United Airlines Logo
8:00 pm - 11:44 amPHL  Philadelphia-LIR Liberia
16h 44m2 stops Washington, D.C. Dulles Intl Newark
United Airlines Logo
8:35 am - 10:30 pmLIR  Liberia-PHL Philadelphia
12h 55m1 stop Houston George Bush Intcntl
$392United Airlines
Sun, Feb 7 - Fri, Feb 12
JetBlue Logo
6:00 am - 1:01 pmPHL  Philadelphia-LIR Liberia
9h 01m1 stop Fort Lauderdale
JetBlue Logo
2:06 pm - 11:53 pmLIR  Liberia-PHL Philadelphia
7h 47m1 stop Fort Lauderdale
$393JetBlue
Sat, Aug 29 - Fri, Sep 4
United Airlines Logo
8:15 am - 6:37 pmPHL  Philadelphia-LIR Liberia
11h 22m1 stop Houston George Bush Intcntl
United Airlines Logo
5:15 pm - 9:24 amLIR  Liberia-PHL Philadelphia
15h 09m2 stops Newark Washington, D.C. Dulles Intl
$393United Airlines
Sun, Dec 6 - Fri, Dec 11
JetBlue Logo
8:10 am - 12:55 pmPHL  Philadelphia-LIR Liberia
6h 45m1 stop Fort Lauderdale
JetBlue Logo
2:05 pm - 11:44 pmLIR  Liberia-PHL Philadelphia
7h 39m1 stop Fort Lauderdale
$402JetBlue
Mon, Oct 12 - Wed, Oct 14

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Delta flights from Philadelphia to Costa Rica

Our best Delta deals on Philadelphia to Costa Rica flight tickets
Delta
Nov 30
PHL5:15 amPhiladelphia
18h 00m
1 stop
SJO10:15 pmSan José Juan Santamaria Intl
Dec 15
SJO7:00 amSan José Juan Santamaria Intl
8h 12m
1 stop
PHL4:12 pmPhiladelphia
$341
Delta
Nov 30
PHL5:15 amPhiladelphia
18h 00m
1 stop
SJO10:15 pmSan José Juan Santamaria Intl
Dec 16
SJO2:30 pmSan José Juan Santamaria Intl
17h 57m
1 stop
PHL9:27 amPhiladelphia
$393
Delta
Oct 17
PHL6:00 amPhiladelphia
8h 00m
1 stop
SJO12:00 pmSan José Juan Santamaria Intl
Oct 21
SJO1:25 pmSan José Juan Santamaria Intl
18h 04m
1 stop
PHL9:29 amPhiladelphia
$410

American Airlines flights from Philadelphia to Costa Rica

Our best American Airlines deals on Philadelphia to Costa Rica flight tickets
American Airlines
Oct 27
PHL7:06 amPhiladelphia
8h 54m
1 stop
SJO2:00 pmSan José Juan Santamaria Intl
Nov 4
SJO2:07 pmSan José Juan Santamaria Intl
16h 32m
1 stop
PHL7:39 amPhiladelphia
$346
American Airlines
Oct 13
PHL3:20 pmPhiladelphia
7h 01m
1 stop
SJO8:21 pmSan José Juan Santamaria Intl
Oct 20
SJO6:00 amSan José Juan Santamaria Intl
12h 10m
2 stops
PHL8:10 pmPhiladelphia
$351
American Airlines
Jan 26
PHL6:00 amPhiladelphia
7h 12m
1 stop
LIR12:12 pmLiberia
Feb 2
LIR1:33 pmLiberia
10h 08m
1 stop
PHL12:41 amPhiladelphia
$392

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 11, 2026.
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

Cheapest round-trip

PhiladelphiaSan José

PHL Philadelphia - SJO San José Juan Santamaria Intl

PHLSJO

Philadelphia

Mon 11/30

5:15 am-10:15 pm

1 stop18h 00m

San José Juan Santamaria Intl

Tue 12/15

7:00 am-4:12 pm

1 stop8h 12m

$341

PhiladelphiaSan José

PHL Philadelphia - SJO San José Juan Santamaria Intl

PHLSJO

Philadelphia

Tue 10/27

8:32 pm-2:00 pm

1 stop19h 28m

San José Juan Santamaria Intl

Tue 11/17

2:07 pm-11:36 pm

1 stop8h 29m

$346

PhiladelphiaSan José

PHL Philadelphia - SJO San José Juan Santamaria Intl

PHLSJO

Philadelphia

Tue 10/6

5:00 am-12:00 pm

1 stop9h 00m

San José Juan Santamaria Intl

Thu 10/15

6:00 am-6:52 pm

1 stop10h 52m

$346

PhiladelphiaLiberia

PHL Philadelphia - LIR Liberia

PHLLIR

Philadelphia

Tue 12/1

3:20 pm-2:20 pm

1 stop24h 00m

Liberia

Thu 1/21

3:10 pm-10:56 pm

1 stop30h 46m

$374

PhiladelphiaLiberia

PHL Philadelphia - LIR Liberia

PHLLIR

Philadelphia

Fri 10/23

4:20 pm-11:50 am

1 stop21h 30m

Liberia

Wed 10/28

2:10 pm-10:56 pm

1 stop30h 46m

$376

PhiladelphiaLiberia

PHL Philadelphia - LIR Liberia

PHLLIR

Philadelphia

Sun 8/30

5:15 am-12:00 pm

1 stop8h 45m

Liberia

Fri 9/4

1:25 pm-1:19 am

1 stop9h 54m

$388

PhiladelphiaLiberia

PHL Philadelphia - LIR Liberia

PHLLIR

Philadelphia

Sun 2/7

8:00 pm-11:44 am

2 stops16h 44m

Liberia

Fri 2/12

8:35 am-10:30 pm

1 stop12h 55m

$392

PhiladelphiaLiberia

PHL Philadelphia - LIR Liberia

PHLLIR

Philadelphia

Sat 8/29

6:00 am-1:01 pm

1 stop9h 01m

Liberia

Fri 9/4

2:06 pm-11:53 pm

1 stop7h 47m

$393

PhiladelphiaLiberia

PHL Philadelphia - LIR Liberia

PHLLIR

Philadelphia

Sun 12/6

8:15 am-6:37 pm

1 stop11h 22m

Liberia

Fri 12/11

5:15 pm-9:24 am

2 stops15h 09m

$393
Quickest round-trip

PhiladelphiaLiberia

PHL Philadelphia - LIR Liberia

PHLLIR

Philadelphia

Mon 10/12

8:10 am-12:55 pm

1 stop6h 45m

Liberia

Wed 10/14

2:05 pm-11:44 pm

1 stop7h 39m

$402

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 February. Flight prices, which tend to average around $411, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in February, then May is your next best option. Flight prices from Philadelphia to Costa Rica during May average around $432.

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 from Philadelphia 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 $497 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 $405 on momondo.

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

There are 2 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.

Can stopping save me money on Philadelphia to Costa Rica flights?

No. A direct flight is the cheapest option for a flight between Philadelphia to Costa Rica.

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

40 airports
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 are 40 airports in Costa Rica. From Philadelphia there are direct flights to Liberia (LIR).
Search flight deals

Frequently asked questions about flying from Philadelphia to Costa Rica

  • 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
DeltaPriceFrom $170Free CancellationRating
7.8
8,505 reviews
Search Delta flights
United AirlinesPriceFrom $218Free CancellationRating
7.4
10,108 reviews
Search United Airlines flights
JetBluePriceFrom $270Free CancellationRating
7.1
3,034 reviews
Search JetBlue flights
FrontierPriceFrom $275Free CancellationRating
5.6
2,703 reviews
Search Frontier flights
American AirlinesPriceFrom $294Free CancellationRating
7.1
11,908 reviews
Search American Airlines flights
SouthwestPriceFrom $395Free CancellationRating
8.0
4,220 reviews
Search Southwest flights
GOLPriceFrom $480Free CancellationRating
7.3
1,273 reviews
Search GOL 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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