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Cheap flights from Philadelphia to Costa Rica from $177

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 10/19. 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
6:35 am - 2:20 pmPHL  Philadelphia-LIR Liberia
8h 45m1 stop Atlanta Hartsfield-Jackson
Delta Logo
3:25 pm - 12:51 amLIR  Liberia-PHL Philadelphia
8h 26m1 stop Atlanta Hartsfield-Jackson
$390Delta
Tue, Jan 26 - Tue, Feb 2
United Airlines Logo
6:16 am - 12:10 pmPHL  Philadelphia-LIR Liberia
7h 54m1 stop Houston George Bush Intcntl
United Airlines Logo
8:45 am - 10:57 pmLIR  Liberia-PHL Philadelphia
13h 12m1 stop Houston George Bush Intcntl
$393United Airlines
Tue, Sep 8 - Mon, Nov 23
United Airlines Logo
7:40 pm - 12:10 pmPHL  Philadelphia-LIR Liberia
18h 30m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl
United Airlines Logo
8:45 am - 6:41 pmLIR  Liberia-PHL Philadelphia
8h 56m1 stop Houston George Bush Intcntl
$393United Airlines
Tue, Sep 8 - Mon, Nov 23
JetBlue Logo
8:00 am - 1:01 pmPHL  Philadelphia-LIR Liberia
7h 01m1 stop Fort Lauderdale
JetBlue Logo
2:06 pm - 11:53 pmLIR  Liberia-PHL Philadelphia
7h 47m1 stop Fort Lauderdale
$395JetBlue
Sun, Aug 30 - Sat, Sep 5
American Airlines Logo
8:20 am - 1:18 pmPHL  Philadelphia-LIR Liberia
6h 58m1 stop Miami
American Airlines Logo
2:45 pm - 9:44 amLIR  Liberia-PHL Philadelphia
16h 59m1 stop Miami
$398American Airlines
Mon, Oct 19 - Fri, Oct 23
American Airlines Logo
5:00 am - 1:18 pmPHL  Philadelphia-LIR Liberia
10h 18m1 stop Miami
American Airlines Logo
2:18 pm - 11:48 amLIR  Liberia-PHL Philadelphia
19h 30m1 stop Dallas/Fort Worth
$398American Airlines
Mon, Oct 26 - Fri, Oct 30
Delta Logo
6:35 am - 2:20 pmPHL  Philadelphia-LIR Liberia
8h 45m1 stop Atlanta Hartsfield-Jackson
Delta Logo
3:25 pm - 12:51 amLIR  Liberia-PHL Philadelphia
8h 26m1 stop Atlanta Hartsfield-Jackson
$398Delta
Tue, Jan 26 - Tue, Feb 2
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
$401JetBlue
Mon, Oct 12 - Wed, Oct 14
GOL Logo
5:00 am - 2:17 pmPHL  Philadelphia-LIR Liberia
10h 17m1 stop Miami
GOL Logo
3:35 pm - 10:01 amLIR  Liberia-PHL Philadelphia
17h 26m2 stops Miami Charlotte Douglas
$430GOL
Mon, Nov 9 - Fri, Nov 13
GOL Logo
8:47 pm - 1:18 pmPHL  Philadelphia-LIR Liberia
18h 31m2 stops Washington, D.C. Reagan-National Miami
GOL Logo
2:44 pm - 9:37 amLIR  Liberia-PHL Philadelphia
16h 53m2 stops Miami Charlotte Douglas
$450GOL
Sat, Oct 10 - 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
Jan 26
PHL6:35 amPhiladelphia
8h 45m
1 stop
LIR2:20 pmLiberia
Feb 2
LIR3:25 pmLiberia
8h 26m
1 stop
PHL12:51 amPhiladelphia
$390
Delta
Jan 4
PHL5:30 amPhiladelphia
8h 15m
1 stop
LIR12:45 pmLiberia
Jan 14
LIR2:00 pmLiberia
9h 51m
1 stop
PHL12:51 amPhiladelphia
$460
Delta
Nov 11
PHL5:15 amPhiladelphia
18h 00m
1 stop
SJO10:15 pmSan José Juan Santamaria Intl
Nov 17
SJO7:00 amSan José Juan Santamaria Intl
13h 05m
1 stop
PHL9:05 pmPhiladelphia
$467

United Airlines flights from Philadelphia to Costa Rica

Our best United Airlines deals on Philadelphia to Costa Rica flight tickets
United Airlines
Sep 8
PHL7:40 pmPhiladelphia
18h 30m
2 stops
LIR12:10 pmLiberia
Nov 23
LIR8:45 amLiberia
8h 56m
1 stop
PHL6:41 pmPhiladelphia
$393
United Airlines
Sep 8
PHL7:40 pmPhiladelphia
18h 30m
2 stops
LIR12:10 pmLiberia
Nov 23
LIR8:45 amLiberia
13h 24m
2 stops
PHL11:09 pmPhiladelphia
$398
United Airlines
Sep 8
PHL6:56 pmPhiladelphia
19h 14m
2 stops
LIR12:10 pmLiberia
Nov 23
LIR8:45 amLiberia
13h 46m
2 stops
PHL11:31 pmPhiladelphia
$404

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 6, 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

PhiladelphiaLiberia

PHL Philadelphia - LIR Liberia

PHLLIR

Philadelphia

Tue 1/26

6:35 am-2:20 pm

1 stop8h 45m

Liberia

Tue 2/2

3:25 pm-12:51 am

1 stop8h 26m

$390

PhiladelphiaLiberia

PHL Philadelphia - LIR Liberia

PHLLIR

Philadelphia

Tue 9/8

6:16 am-12:10 pm

1 stop7h 54m

Liberia

Mon 11/23

8:45 am-10:57 pm

1 stop13h 12m

$393

PhiladelphiaLiberia

PHL Philadelphia - LIR Liberia

PHLLIR

Philadelphia

Tue 9/8

7:40 pm-12:10 pm

2 stops18h 30m

Liberia

Mon 11/23

8:45 am-6:41 pm

1 stop8h 56m

$393

PhiladelphiaLiberia

PHL Philadelphia - LIR Liberia

PHLLIR

Philadelphia

Sun 8/30

8:00 am-1:01 pm

1 stop7h 01m

Liberia

Sat 9/5

2:06 pm-11:53 pm

1 stop7h 47m

$395

PhiladelphiaLiberia

PHL Philadelphia - LIR Liberia

PHLLIR

Philadelphia

Mon 10/19

8:20 am-1:18 pm

1 stop6h 58m

Liberia

Fri 10/23

2:45 pm-9:44 am

1 stop16h 59m

$398

PhiladelphiaLiberia

PHL Philadelphia - LIR Liberia

PHLLIR

Philadelphia

Mon 10/26

5:00 am-1:18 pm

1 stop10h 18m

Liberia

Fri 10/30

2:18 pm-11:48 am

1 stop19h 30m

$398

PhiladelphiaLiberia

PHL Philadelphia - LIR Liberia

PHLLIR

Philadelphia

Tue 1/26

6:35 am-2:20 pm

1 stop8h 45m

Liberia

Tue 2/2

3:25 pm-12:51 am

1 stop8h 26m

$398
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

$401

PhiladelphiaLiberia

PHL Philadelphia - LIR Liberia

PHLLIR

Philadelphia

Mon 11/9

5:00 am-2:17 pm

1 stop10h 17m

Liberia

Fri 11/13

3:35 pm-10:01 am

2 stops17h 26m

$430

PhiladelphiaLiberia

PHL Philadelphia - LIR Liberia

PHLLIR

Philadelphia

Sat 10/10

8:47 pm-1:18 pm

2 stops18h 31m

Liberia

Wed 10/14

2:44 pm-9:37 am

2 stops16h 53m

$450

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 September is your next best option. Flight prices from Philadelphia to Costa Rica during September average around $431.

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 $495 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 $412 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
8,493 reviews
Search Delta flights
United AirlinesPriceFrom $218Free CancellationRating
7.4
10,075 reviews
Search United Airlines flights
JetBluePriceFrom $270Free CancellationRating
7.1
3,024 reviews
Search JetBlue flights
FrontierPriceFrom $275Free CancellationRating
5.6
2,723 reviews
Search Frontier flights
American AirlinesPriceFrom $290Free CancellationRating
7.1
11,868 reviews
Search American Airlines flights
SouthwestPriceFrom $395Free CancellationRating
8.0
4,218 reviews
Search Southwest flights
GOLPriceFrom $480Free CancellationRating
7.3
1,272 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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