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Cheap flights from Philadelphia to San José from $138

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 San José departing on 4/27. 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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Find the cheapest flights from Philadelphia to San José

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:45 am - 11:45 am
PHL
-
SJO
7h 00m
1 stop
Multiple Airlines Logo
9:35 am - 12:40 am
SJO
-
PHL
13h 05m
1 stop
$314Multiple Airlines
อา., พ.ค. 24 - พฤ., พ.ค. 28
Multiple Airlines Logo
6:45 am - 11:45 am
PHL
-
SJO
7h 00m
1 stop
Multiple Airlines Logo
9:35 am - 12:40 am
SJO
-
PHL
13h 05m
1 stop
$322Multiple Airlines
อา., พ.ค. 24 - พฤ., พ.ค. 28
Frontier Logo
5:04 pm - 8:19 am
PHL
-
SJO
17h 15m
1 stop
Frontier Logo
9:35 am - 12:40 am
SJO
-
PHL
13h 05m
1 stop
$323Frontier
พ., มิ.ย. 3 - อา., มิ.ย. 7
Multiple Airlines Logo
8:44 pm - 11:45 am
PHL
-
SJO
17h 01m
1 stop
Multiple Airlines Logo
9:35 am - 12:40 am
SJO
-
PHL
13h 05m
1 stop
$327Multiple Airlines
พฤ., พ.ค. 14 - พฤ., พ.ค. 28
Multiple Airlines Logo
6:45 am - 11:45 am
PHL
-
SJO
7h 00m
1 stop
Multiple Airlines Logo
9:35 am - 12:40 am
SJO
-
PHL
13h 05m
1 stop
$328Multiple Airlines
อา., พ.ค. 24 - พฤ., พ.ค. 28
Frontier Logo
10:11 am - 8:19 am
PHL
-
SJO
24h 08m
1 stop
Frontier Logo
9:35 am - 8:54 am
SJO
-
PHL
21h 19m
1 stop
$329Frontier
พ., มิ.ย. 3 - อา., มิ.ย. 7
Spirit Airlines Logo
8:44 pm - 11:45 am
PHL
-
SJO
17h 01m
1 stop
Spirit Airlines Logo
1:00 pm - 9:25 am
SJO
-
PHL
18h 25m
1 stop
$337Spirit Airlines
พฤ., พ.ค. 14 - อา., พ.ค. 17
Multiple Airlines Logo
8:00 am - 11:45 am
PHL
-
SJO
29h 45m
1 stop
Multiple Airlines Logo
9:35 am - 12:40 am
SJO
-
PHL
13h 05m
1 stop
$341Multiple Airlines
พ., พ.ค. 27 - พฤ., มิ.ย. 4
Frontier Logo
9:16 pm - 8:19 am
PHL
-
SJO
13h 03m
1 stop
Frontier Logo
9:35 am - 12:44 am
SJO
-
PHL
13h 09m
1 stop
$343Frontier
ส., มิ.ย. 6 - พฤ., ก.ค. 9
Multiple Airlines Logo
6:45 am - 11:45 am
PHL
-
SJO
7h 00m
1 stop
Multiple Airlines Logo
9:35 am - 8:54 am
SJO
-
PHL
21h 19m
1 stop
$346Multiple Airlines
จ., พ.ค. 4 - จ., มิ.ย. 1

Frontier flights from Philadelphia to San José

Our best Frontier deals on Philadelphia to San José flight tickets
Frontier
Jun 3
PHL5:04 pmPhiladelphia
17h 15m
1 stop
SJO8:19 amSan José Juan Santamaria Intl
Jun 7
SJO9:35 amSan José Juan Santamaria Intl
13h 05m
1 stop
PHL12:40 amPhiladelphia
$323
Frontier
Jun 3
PHL10:11 amPhiladelphia
24h 08m
1 stop
SJO8:19 amSan José Juan Santamaria Intl
Jun 7
SJO9:35 amSan José Juan Santamaria Intl
21h 19m
1 stop
PHL8:54 amPhiladelphia
$329
Frontier
Jun 6
PHL9:16 pmPhiladelphia
13h 03m
1 stop
SJO8:19 amSan José Juan Santamaria Intl
Jul 9
SJO9:35 amSan José Juan Santamaria Intl
13h 09m
1 stop
PHL12:44 amPhiladelphia
$343

American Airlines flights from Philadelphia to San José

Our best American Airlines deals on Philadelphia to San José flight tickets
American Airlines
May 4
PHL7:35 pmPhiladelphia
18h 00m
1 stop
SJO11:35 amSan José Juan Santamaria Intl
May 11
SJO2:31 pmSan José Juan Santamaria Intl
18h 58m
1 stop
PHL11:29 amPhiladelphia
$351
American Airlines
May 2
PHL7:05 amPhiladelphia
16h 31m
1 stop
SJO9:36 pmSan José Juan Santamaria Intl
May 8
SJO2:31 pmSan José Juan Santamaria Intl
17h 30m
1 stop
PHL10:01 amPhiladelphia
$358
American Airlines
May 30
PHL7:05 amPhiladelphia
17h 37m
1 stop
SJO10:42 pmSan José Juan Santamaria Intl
Jun 7
SJO6:00 amSan José Juan Santamaria Intl
9h 54m
1 stop
PHL5:54 pmPhiladelphia
$363

momondo Fare Finder

 
Customize your flight search to find flights from Philadelphia to San José 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 เมษายน 21, 2026.
Use the filters below to find and compare flights from Philadelphia to San José that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

อา. 5/24

6:45 am-11:45 am

1 stop7h 00m

San José Juan Santamaria Intl

พฤ. 5/28

9:35 am-12:40 am

1 stop13h 05m

$314

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

อา. 5/24

6:45 am-11:45 am

1 stop7h 00m

San José Juan Santamaria Intl

พฤ. 5/28

9:35 am-12:40 am

1 stop13h 05m

$322

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

พ. 6/3

5:04 pm-8:19 am

1 stop17h 15m

San José Juan Santamaria Intl

อา. 6/7

9:35 am-12:40 am

1 stop13h 05m

$323

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

พฤ. 5/14

8:44 pm-11:45 am

1 stop17h 01m

San José Juan Santamaria Intl

พฤ. 5/28

9:35 am-12:40 am

1 stop13h 05m

$327

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

อา. 5/24

6:45 am-11:45 am

1 stop7h 00m

San José Juan Santamaria Intl

พฤ. 5/28

9:35 am-12:40 am

1 stop13h 05m

$328

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

พ. 6/3

10:11 am-8:19 am

1 stop24h 08m

San José Juan Santamaria Intl

อา. 6/7

9:35 am-8:54 am

1 stop21h 19m

$329

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

พฤ. 5/14

8:44 pm-11:45 am

1 stop17h 01m

San José Juan Santamaria Intl

อา. 5/17

1:00 pm-9:25 am

1 stop18h 25m

$337

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

พ. 5/27

8:00 am-11:45 am

1 stop29h 45m

San José Juan Santamaria Intl

พฤ. 6/4

9:35 am-12:40 am

1 stop13h 05m

$341

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

ส. 6/6

9:16 pm-8:19 am

1 stop13h 03m

San José Juan Santamaria Intl

พฤ. 7/9

9:35 am-12:44 am

1 stop13h 09m

$343

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

จ. 5/4

6:45 am-11:45 am

1 stop7h 00m

San José Juan Santamaria Intl

จ. 6/1

9:35 am-8:54 am

1 stop21h 19m

$346

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 San José from

How to get the cheapest flight ticket from Philadelphia to San José

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 typical price of a round-trip flight between Philadelphia and San José?

What is the cheapest month to fly to San José?

In general, February is the cheapest month to fly from Philadelphia to San José. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $328. If you don’t want to visit San José in February, then you should wait until October to fly from Philadelphia, when ticket prices are also cheap, with an average price of $339.

How far in advance should I book a flight to San José?

You are more likely to see cheaper flights to San José from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to San José for around $474 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San José from Philadelphia for as low as $359 on momondo.

How have Philadelphia to San José flight prices changed over time?

As of April 2026, prices for Philadelphia to San José flights are approximately 84% more expensive when compared to flights at the same time last year.

When to book flights from Philadelphia to San José

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to San José according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Philadelphia to San José (PHL to SJO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to San José

Fastest flight time

7h 03m

Direct flights

None
The fastest flight from Philadelphia to San José takes 7h 03m
There are no direct flights from Philadelphia to San José. There are no popular flight routes from Philadelphia to San José.
Search flight deals

Frequently asked questions about flying from Philadelphia to San José

  • How far is Philadelphia to San José Juan Santamaria Intl by plane?

    The straight-line distance from Philadelphia to San José Juan Santamaria Intl is 2144.3 mi. By plane, this route typically takes 7h 03m.

  • When did momondo last update prices for flights from Philadelphia Airport to San José Juan Santamaria Intl Airport?

    Prices for flights from Philadelphia Airport to San José Juan Santamaria Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Philadelphia Airport to San José Juan Santamaria Intl Airport?

  • How old do you have to be to fly from Philadelphia Airport to San José Juan Santamaria Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to San José Juan Santamaria Intl Airport.

  • What documentation or ID do you need to fly to San José Juan Santamaria Intl Airport?

    The travel and health documents required for your trip to San José Juan Santamaria Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San José Juan Santamaria Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Philadelphia to San José?

Best airlines flying from Philadelphia to San José

Compare and see reviews for airlines that fly from Philadelphia to San José with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $141Free CancellationRating
5.6
2,981 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $215Free CancellationRating
6.3
8,629 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $251Free CancellationRating
7.4
9,612 reviews
Search United Airlines flights
JetBluePriceFrom $251Free CancellationRating
7.2
2,949 reviews
Search JetBlue flights
American AirlinesPriceFrom $289Free CancellationRating
7.1
11,646 reviews
Search American Airlines flights
DeltaPriceFrom $309Free CancellationRating
7.9
8,435 reviews
Search Delta flights
SouthwestPriceFrom $437Free CancellationRating
8.0
4,331 reviews
Search Southwest flights
GOLPriceFrom $483Free CancellationRating
7.3
1,204 reviews
Search GOL flights

Traveling to a place near San José?

Book flights to San José if you plan to visit one of these locations
Manuel Antonio
Jacó
Monteverde
Alajuela
Heredia
Santa Elena
Dominical
San Gerardo de Dota
Esterillos Este

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to San José?

Finding the right flight to San José from Philadelphia is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San José quick and easy, saving you time and money.

Can I find flights from Philadelphia to San José with flexible booking policies on momondo?

Flights from Philadelphia to San José with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Philadelphia to San José?

Once all potential Philadelphia to San José flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Philadelphia to San José right now. Can momondo alert me if prices change?

Price alerts on flights to San José from Philadelphia are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your San José trip

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1 adult
พฤ. 5/21
พฤ. 5/28
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