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Cheap flights from Philadelphia to San José from $171

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 8/23. 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 San José

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:15 am - 12:21 pm
PHL
-
SJO
8h 06m
1 stop
United Airlines Logo
7:55 am - 10:57 pm
SJO
-
PHL
13h 02m
1 stop
$384United Airlines
Wed, Jun 17 - Tue, Jun 23
American Airlines Logo
8:35 am - 7:53 pm
PHL
-
SJO
13h 18m
2 stops
American Airlines Logo
2:56 pm - 9:01 am
SJO
-
PHL
16h 05m
1 stop
$389American Airlines
Wed, Aug 26 - Wed, Sep 2
American Airlines Logo
5:00 am - 1:52 pm
PHL
-
SJO
10h 52m
1 stop
American Airlines Logo
2:56 pm - 11:40 am
SJO
-
PHL
18h 44m
1 stop
$420American Airlines
Tue, Sep 1 - Tue, Sep 8
American Airlines Logo
7:38 pm - 12:03 pm
PHL
-
SJO
18h 25m
2 stops
American Airlines Logo
2:56 pm - 11:40 am
SJO
-
PHL
18h 44m
1 stop
$424American Airlines
Tue, Sep 1 - Tue, Sep 8
American Airlines Logo
2:32 pm - 7:53 pm
PHL
-
SJO
7h 21m
1 stop
American Airlines Logo
7:00 am - 6:01 pm
SJO
-
PHL
9h 01m
1 stop
$434American Airlines
Sat, Sep 5 - Tue, Sep 8
American Airlines Logo
10:30 am - 7:53 pm
PHL
-
SJO
11h 23m
2 stops
American Airlines Logo
7:00 am - 6:01 pm
SJO
-
PHL
9h 01m
1 stop
$439American Airlines
Sat, Sep 5 - Tue, Sep 8
JetBlue Logo
8:15 am - 12:57 pm
PHL
-
SJO
6h 42m
1 stop
JetBlue Logo
2:02 pm - 11:51 pm
SJO
-
PHL
7h 49m
1 stop
$454JetBlue
Fri, Aug 14 - Tue, Aug 25
Southwest Logo
7:05 am - 12:15 pm
PHL
-
SJO
7h 10m
1 stop
Southwest Logo
9:00 am - 11:30 pm
SJO
-
PHL
12h 30m
1 stop
$456Southwest
Sat, Aug 22 - Sun, Aug 30
Avianca Logo
10:30 am - 11:40 pm
PHL
-
SJO
15h 10m
2 stops
Avianca Logo
7:45 pm - 9:43 am
SJO
-
PHL
11h 58m
2 stops
$469Avianca
Fri, Aug 28 - Mon, Aug 31
American Airlines Logo
12:07 pm - 11:50 am
PHL
-
SJO
25h 43m
2 stops
American Airlines Logo
3:37 pm - 11:12 am
SJO
-
PHL
17h 35m
2 stops
$473American Airlines
Wed, Jul 22 - Tue, Jul 28

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Frontier flights from Philadelphia to San José

Our best Frontier deals on Philadelphia to San José flight tickets
Frontier
Jul 24
PHL4:49 pmPhiladelphia
17h 41m
1 stop
SJO8:30 amSan José Juan Santamaria Intl
Jul 26
SJO9:35 amSan José Juan Santamaria Intl
21h 12m
1 stop
PHL8:47 amPhiladelphia
$478
Frontier
Aug 1
PHL9:16 pmPhiladelphia
13h 04m
1 stop
SJO8:20 amSan José Juan Santamaria Intl
Aug 13
SJO9:35 amSan José Juan Santamaria Intl
11h 20m
1 stop
PHL10:55 pmPhiladelphia
$498
Frontier
Jul 24
PHL4:40 pmPhiladelphia
17h 50m
2 stops
SJO8:30 amSan José Juan Santamaria Intl
Jul 26
SJO9:35 amSan José Juan Santamaria Intl
11h 20m
1 stop
PHL10:55 pmPhiladelphia
$519

American Airlines flights from Philadelphia to San José

Our best American Airlines deals on Philadelphia to San José flight tickets
American Airlines
Nov 3
PHL5:00 amPhiladelphia
8h 09m
1 stop
SJO12:09 pmSan José Juan Santamaria Intl
Nov 11
SJO1:09 pmSan José Juan Santamaria Intl
10h 14m
1 stop
PHL12:23 amPhiladelphia
$384
American Airlines
Aug 18
PHL10:30 amPhiladelphia
11h 22m
2 stops
SJO7:52 pmSan José Juan Santamaria Intl
Aug 26
SJO2:56 pmSan José Juan Santamaria Intl
16h 05m
1 stop
PHL9:01 amPhiladelphia
$389
American Airlines
Sep 1
PHL5:00 amPhiladelphia
10h 52m
1 stop
SJO1:52 pmSan José Juan Santamaria Intl
Sep 8
SJO2:56 pmSan José Juan Santamaria Intl
18h 44m
1 stop
PHL11:40 amPhiladelphia
$420

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 June 15, 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

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Wed 6/17

6:15 am-12:21 pm

1 stop8h 06m

San José Juan Santamaria Intl

Tue 6/23

7:55 am-10:57 pm

1 stop13h 02m

$384

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Wed 8/26

8:35 am-7:53 pm

2 stops13h 18m

San José Juan Santamaria Intl

Wed 9/2

2:56 pm-9:01 am

1 stop16h 05m

$389

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Tue 9/1

5:00 am-1:52 pm

1 stop10h 52m

San José Juan Santamaria Intl

Tue 9/8

2:56 pm-11:40 am

1 stop18h 44m

$420

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Tue 9/1

7:38 pm-12:03 pm

2 stops18h 25m

San José Juan Santamaria Intl

Tue 9/8

2:56 pm-11:40 am

1 stop18h 44m

$424

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Sat 9/5

2:32 pm-7:53 pm

1 stop7h 21m

San José Juan Santamaria Intl

Tue 9/8

7:00 am-6:01 pm

1 stop9h 01m

$434

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Sat 9/5

10:30 am-7:53 pm

2 stops11h 23m

San José Juan Santamaria Intl

Tue 9/8

7:00 am-6:01 pm

1 stop9h 01m

$439
Quickest round-trip

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Fri 8/14

8:15 am-12:57 pm

1 stop6h 42m

San José Juan Santamaria Intl

Tue 8/25

2:02 pm-11:51 pm

1 stop7h 49m

$454

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Sat 8/22

7:05 am-12:15 pm

1 stop7h 10m

San José Juan Santamaria Intl

Sun 8/30

9:00 am-11:30 pm

1 stop12h 30m

$456

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Fri 8/28

10:30 am-11:40 pm

2 stops15h 10m

San José Juan Santamaria Intl

Mon 8/31

7:45 pm-9:43 am

2 stops11h 58m

$469

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Wed 7/22

12:07 pm-11:50 am

2 stops25h 43m

San José Juan Santamaria Intl

Tue 7/28

3:37 pm-11:12 am

2 stops17h 35m

$473

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 September to fly from Philadelphia, when ticket prices are also cheap, with an average price of $390.

How far in advance should I book a flight from Philadelphia 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 $495 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 $349 on momondo.

Can stopping save me money on Philadelphia to San José flights?

You could potentially save up to 25% on your flight if you consider stops on a Philadelphia to San José flight.

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

As of June 2026, prices for Philadelphia to San José flights are approximately 16% 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 54m

Direct flights

None
The fastest flight from Philadelphia to San José takes 7h 54m
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 54m.

  • 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
2,889 reviews
Search Frontier flights
DeltaPriceFrom $170Free CancellationRating
7.9
8,398 reviews
Search Delta flights
United AirlinesPriceFrom $251Free CancellationRating
7.4
9,826 reviews
Search United Airlines flights
JetBluePriceFrom $270Free CancellationRating
7.1
2,985 reviews
Search JetBlue flights
American AirlinesPriceFrom $289Free CancellationRating
7.1
11,662 reviews
Search American Airlines flights
SouthwestPriceFrom $437Free CancellationRating
7.9
4,232 reviews
Search Southwest flights
GOLPriceFrom $480Free CancellationRating
7.3
1,230 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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