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Cheap flights from Philadelphia to San José from $139

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 5/10. 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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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.
American Airlines Logo
10:41 am - 7:07 pm
PHL
-
SJO
10h 26m
1 stop
American Airlines Logo
6:30 am - 12:48 am
SJO
-
PHL
16h 18m
1 stop
$320American Airlines
Tue, May 5 - Sat, May 16
American Airlines Logo
8:20 am - 7:07 pm
PHL
-
SJO
12h 47m
2 stops
American Airlines Logo
2:08 pm - 9:12 am
SJO
-
PHL
17h 04m
1 stop
$325American Airlines
Tue, May 5 - Fri, May 15
GOL Logo
6:00 am - 11:25 am
PHL
-
SJO
7h 25m
1 stop
GOL Logo
6:30 am - 11:42 pm
SJO
-
PHL
15h 12m
2 stops
$327GOL
Mon, May 4 - Tue, May 12
United Airlines Logo
7:59 pm - 12:21 pm
PHL
-
SJO
18h 22m
1 stop
United Airlines Logo
7:55 am - 10:25 pm
SJO
-
PHL
12h 30m
1 stop
$333United Airlines
Fri, Apr 17 - Fri, Apr 24
United Airlines Logo
7:45 pm - 10:11 am
PHL
-
SJO
16h 26m
2 stops
United Airlines Logo
7:55 am - 10:25 pm
SJO
-
PHL
12h 30m
1 stop
$337United Airlines
Sat, Apr 18 - Tue, Apr 21
United Airlines Logo
7:59 pm - 12:21 pm
PHL
-
SJO
18h 22m
1 stop
United Airlines Logo
1:00 pm - 12:59 am
SJO
-
PHL
9h 59m
1 stop
$340United Airlines
Mon, May 4 - Sat, May 9
American Airlines Logo
10:40 am - 7:07 pm
PHL
-
SJO
10h 27m
1 stop
American Airlines Logo
1:59 pm - 9:44 am
SJO
-
PHL
17h 45m
1 stop
$345American Airlines
Sat, May 16 - Sat, May 23
Frontier Logo
5:34 pm - 8:19 am
PHL
-
SJO
16h 45m
1 stop
Frontier Logo
9:35 am - 8:54 am
SJO
-
PHL
21h 19m
1 stop
$346Frontier
Sat, May 30 - Thu, Jun 4
United Airlines Logo
7:45 pm - 12:21 pm
PHL
-
SJO
18h 36m
2 stops
United Airlines Logo
7:55 am - 9:44 pm
SJO
-
PHL
11h 49m
2 stops
$350United Airlines
Sat, May 2 - Sat, May 9
Frontier Logo
8:01 pm - 8:45 am
PHL
-
SJO
14h 44m
1 stop
Frontier Logo
10:00 am - 5:12 pm
SJO
-
PHL
29h 12m
1 stop
$352Frontier
Sat, Aug 22 - Mon, Aug 24

United Airlines flights from Philadelphia to San José

Our best United Airlines deals on Philadelphia to San José flight tickets
United Airlines
Apr 17
PHL7:59 pmPhiladelphia
18h 22m
1 stop
SJO12:21 pmSan José Juan Santamaria Intl
Apr 24
SJO7:55 amSan José Juan Santamaria Intl
12h 30m
1 stop
PHL10:25 pmPhiladelphia
$333
United Airlines
Apr 18
PHL7:45 pmPhiladelphia
16h 26m
2 stops
SJO10:11 amSan José Juan Santamaria Intl
Apr 21
SJO7:55 amSan José Juan Santamaria Intl
12h 30m
1 stop
PHL10:25 pmPhiladelphia
$337
United Airlines
May 4
PHL7:59 pmPhiladelphia
18h 22m
1 stop
SJO12:21 pmSan José Juan Santamaria Intl
May 9
SJO1:00 pmSan José Juan Santamaria Intl
9h 59m
1 stop
PHL12:59 amPhiladelphia
$340

Spirit Airlines flights from Philadelphia to San José

Our best Spirit Airlines deals on Philadelphia to San José flight tickets
Spirit Airlines
Apr 8
PHL6:48 amPhiladelphia
6h 26m
1 stop
SJO11:14 amSan José Juan Santamaria Intl
Apr 17
SJO12:38 pmSan José Juan Santamaria Intl
19h 11m
1 stop
PHL9:49 amPhiladelphia
$382
Spirit Airlines
Apr 8
PHL6:48 amPhiladelphia
6h 26m
1 stop
SJO11:14 amSan José Juan Santamaria Intl
Apr 14
SJO12:19 pmSan José Juan Santamaria Intl
20h 51m
1 stop
PHL11:10 amPhiladelphia
$396
Spirit Airlines
Mar 25
PHL6:48 amPhiladelphia
6h 26m
1 stop
SJO11:14 amSan José Juan Santamaria Intl
Mar 31
SJO12:19 pmSan José Juan Santamaria Intl
9h 37m
1 stop
PHL11:56 pmPhiladelphia
$417

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 March 16, 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

Tue 5/5

10:41 am-7:07 pm

1 stop10h 26m

San José Juan Santamaria Intl

Sat 5/16

6:30 am-12:48 am

1 stop16h 18m

$320

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Tue 5/5

8:20 am-7:07 pm

2 stops12h 47m

San José Juan Santamaria Intl

Fri 5/15

2:08 pm-9:12 am

1 stop17h 04m

$325
Quickest round-trip

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Mon 5/4

6:00 am-11:25 am

1 stop7h 25m

San José Juan Santamaria Intl

Tue 5/12

6:30 am-11:42 pm

2 stops15h 12m

$327

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Fri 4/17

7:59 pm-12:21 pm

1 stop18h 22m

San José Juan Santamaria Intl

Fri 4/24

7:55 am-10:25 pm

1 stop12h 30m

$333

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Sat 4/18

7:45 pm-10:11 am

2 stops16h 26m

San José Juan Santamaria Intl

Tue 4/21

7:55 am-10:25 pm

1 stop12h 30m

$337

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Mon 5/4

7:59 pm-12:21 pm

1 stop18h 22m

San José Juan Santamaria Intl

Sat 5/9

1:00 pm-12:59 am

1 stop9h 59m

$340

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Sat 5/16

10:40 am-7:07 pm

1 stop10h 27m

San José Juan Santamaria Intl

Sat 5/23

1:59 pm-9:44 am

1 stop17h 45m

$345

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Sat 5/30

5:34 pm-8:19 am

1 stop16h 45m

San José Juan Santamaria Intl

Thu 6/4

9:35 am-8:54 am

1 stop21h 19m

$346

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Sat 5/2

7:45 pm-12:21 pm

2 stops18h 36m

San José Juan Santamaria Intl

Sat 5/9

7:55 am-9:44 pm

2 stops11h 49m

$350

PhiladelphiaSan José

PHL - SJO

PHLSJO

Philadelphia

Sat 8/22

8:01 pm-8:45 am

1 stop14h 44m

San José Juan Santamaria Intl

Mon 8/24

10:00 am-5:12 pm

1 stop29h 12m

$352

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 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 $329. 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 $354 on momondo.

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

As of March 2026, prices for Philadelphia to San José flights are approximately 17% 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

6h 26m

Direct flights

None
The fastest flight from Philadelphia to San José takes 6h 26m
There are no direct flights from Philadelphia to San José. There are no popular flight routes from Philadelphia to San José.
Search flight deals

  • 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 6h 26m.

  • 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
5.7
3,030 reviews
Search Frontier flights
United AirlinesPriceFrom $160Free CancellationRating
7.4
9,428 reviews
Search United Airlines flights
Spirit AirlinesPriceFrom $212Free CancellationRating
6.3
8,519 reviews
Search Spirit Airlines flights
JetBluePriceFrom $251Free CancellationRating
7.2
2,906 reviews
Search JetBlue flights
American AirlinesPriceFrom $290Free CancellationRating
7.1
11,465 reviews
Search American Airlines flights
DeltaPriceFrom $309Free CancellationRating
7.9
8,292 reviews
Search Delta flights
SouthwestPriceFrom $437Free CancellationRating
8.0
4,318 reviews
Search Southwest 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
Dominical
San Gerardo de Dota
Santa Elena
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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