Cheap flights from Philadelphia (PHL) to Luis Munoz Marin Intl (SJU) - Compare and Save
PHL — SJU
May 3 — May 101
Round-trip
1 adult, Economy
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Cheapflights Tip: The best prices from Philadelphia to San Juan Luis Munoz Marin Intl are usually found in October or January, booked 59 days in advance, depart on a Monday or Tuesday and return on a Friday
Cheap flight deals from Philadelphia to Luis Munoz Marin Intl
Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Luis Munoz Marin Intl (SJU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $159 (Super.com) |
One-way from | $78 (Cheapflightsfares) |
Popular in | December |
Cheapest in | October |
Average price | $290 |
Good round-trip deal | $264 or less |
Good one-way deal | $125 or less |
Find flight deals from Philadelphia to Luis Munoz Marin Intl
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Cheapest flights from Philadelphia to Luis Munoz Marin IntlExplore the most affordable flight options available from Philadelphia to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2026.
Explore the most affordable flight options available from Philadelphia to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2026.
This Priceline deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1011:14 am
PHL
- SJU
Nonstop3h 50m
Multiple Airlines
Thu 4/162:09 am
SJU
- PHL
Nonstop4h 03m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$159
This Frontier deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:39 pm
PHL
- SJU
Nonstop3h 50m
Frontier
Fri 5/11:55 pm
SJU
- PHL
Nonstop4h 09m
Frontier
Deal found 3/29![Frontier logo]()
$160
This Cheapflightsfares deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/248:39 pm
PHL
- SJU
Nonstop3h 50m
Frontier
Mon 4/271:59 am
SJU
- PHL
Nonstop4h 09m
Frontier
Deal found 3/30![Frontier logo]()
$161
This Cheapflightsfares deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:02 pm
PHL
- SJU
Nonstop3h 52m
Spirit Airlines
Mon 4/272:09 am
SJU
- PHL
Nonstop4h 03m
Spirit Airlines
Deal found 3/29![Spirit Airlines logo]()
$162
This Trip.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/298:39 pm
PHL
- SJU
Nonstop3h 50m
Frontier
Wed 5/66:30 am
SJU
- PHL
Nonstop4h 11m
Frontier
Deal found 3/30![Frontier logo]()
$163
This Frontier deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/84:09 pm
PHL
- SJU
Nonstop3h 50m
Frontier
Tue 4/211:59 am
SJU
- PHL
Nonstop4h 09m
Frontier
Deal found 3/31![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/79:53 am
PHL
- SJU
1 stop14h 05m
Multiple Airlines
Thu 4/161:59 am
SJU
- PHL
Nonstop4h 09m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$165
This Cheapflightsfares deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:39 pm
PHL
- SJU
Nonstop3h 50m
Frontier
Sun 4/193:31 pm
SJU
- PHL
1 stop17h 00m
Frontier
Deal found 4/1![Frontier logo]()
$166
This Cheapflightsfares deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/268:39 pm
PHL
- SJU
Nonstop3h 50m
Frontier
Thu 4/307:17 pm
SJU
- PHL
Nonstop4h 09m
Frontier
Deal found 3/30![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/259:02 pm
PHL
- SJU
Nonstop3h 52m
Multiple Airlines
Fri 5/17:17 pm
SJU
- PHL
Nonstop4h 09m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/98:52 pm
PHL
- SJU
Nonstop3h 42m
Multiple Airlines
Tue 4/211:59 am
SJU
- PHL
Nonstop4h 09m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$169
This Super.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:39 pm
PHL
- SJU
Nonstop3h 50m
Frontier
Wed 4/291:59 am
SJU
- PHL
Nonstop4h 09m
Frontier
Deal found 3/31![Frontier logo]()
$170
Best flights from Philadelphia to Luis Munoz Marin IntlDiscover carefully curated flight deals from Philadelphia to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 3, 2026.
Discover carefully curated flight deals from Philadelphia to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 3, 2026.
This United Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2110:00 am
PHL
- SJU
2 stops11h 24m
United Airlines
Sun 4/261:00 am
SJU
- PHL
2 stops13h 10m
United Airlines
Deal found 4/1![United Airlines logo]()
$316
This Southwest deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/410:45 am
PHL
- SJU
2 stops11h 15m
Southwest
Mon 8/106:30 am
SJU
- PHL
1 stop8h 55m
Southwest
Deal found 4/2![Southwest logo]()
$368
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1610:40 am
PHL
- SJU
1 stop11h 47m
Delta
Mon 6/2212:54 pm
SJU
- PHL
1 stop9h 51m
Delta
Deal found 3/30![Delta logo]()
$456
This United Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2510:00 am
PHL
- SJU
2 stops11h 24m
United Airlines
Sat 5/27:20 am
SJU
- PHL
2 stops14h 24m
United Airlines
Deal found 3/29![United Airlines logo]()
$367
This United Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:36 am
PHL
- SJU
2 stops12h 14m
United Airlines
Wed 5/131:00 am
SJU
- PHL
2 stops8h 54m
United Airlines
Deal found 3/29![United Airlines logo]()
$376
This Southwest deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:15 am
PHL
- SJU
2 stops11h 45m
Southwest
Mon 8/176:30 am
SJU
- PHL
2 stops10h 55m
Southwest
Deal found 3/31![Southwest logo]()
$431
This Delta deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/35:17 am
PHL
- SJU
1 stop6h 44m
Delta
Thu 6/41:14 pm
SJU
- PHL
1 stop8h 58m
Delta
Deal found 4/2![Delta logo]()
$516
This Southwest deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/312:00 pm
PHL
- SJU
2 stops10h 05m
Southwest
Mon 8/36:30 am
SJU
- PHL
2 stops11h 20m
Southwest
Deal found 4/3![Southwest logo]()
$494
This Southwest deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/65:55 am
PHL
- SJU
2 stops11h 00m
Southwest
Sun 8/95:30 am
SJU
- PHL
2 stops10h 25m
Southwest
Deal found 3/30![Southwest logo]()
$497
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/210:00 am
PHL
- SJU
2 stops13h 50m
United Airlines
Tue 5/57:00 am
SJU
- PHL
2 stops31h 16m
United Airlines
Deal found 3/31![United Airlines logo]()
$517
This United Airlines deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/309:21 am
PHL
- SJU
2 stops12h 03m
United Airlines
Sat 6/61:00 am
SJU
- PHL
2 stops8h 45m
United Airlines
Deal found 4/3![United Airlines logo]()
$534
This United Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2611:38 am
PHL
- SJU
2 stops12h 12m
United Airlines
Wed 5/271:00 am
SJU
- PHL
2 stops8h 45m
United Airlines
Deal found 3/30![United Airlines logo]()
$534
Last-minute flights from Philadelphia to Luis Munoz Marin IntlDiscover last-minute flight deals from Philadelphia to Luis Munoz Marin Intl. Data last updated April 3, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Luis Munoz Marin Intl. Data last updated April 3, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/88:39 pm
PHL
- SJU
Nonstop3h 50m
Frontier
Thu 4/231:55 pm
SJU
- PHL
Nonstop4h 09m
Frontier
Deal found 3/31![Frontier logo]()
$164
This Cheapflightsfares deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/84:09 pm
PHL
- SJU
Nonstop3h 50m
Frontier
Thu 4/161:59 am
SJU
- PHL
Nonstop4h 09m
Frontier
Deal found 4/1![Frontier logo]()
$167
This Priceline deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/89:53 am
PHL
- SJU
1 stop14h 05m
Multiple Airlines
Thu 4/161:59 am
SJU
- PHL
Nonstop4h 09m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$168
This Priceline deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/88:52 pm
PHL
- SJU
Nonstop3h 42m
Multiple Airlines
Thu 4/161:59 am
SJU
- PHL
Nonstop4h 09m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/99:53 am
PHL
- SJU
1 stop14h 05m
Multiple Airlines
Tue 4/211:59 am
SJU
- PHL
Nonstop4h 09m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/98:52 pm
PHL
- SJU
Nonstop3h 42m
Multiple Airlines
Tue 4/211:59 am
SJU
- PHL
Nonstop4h 09m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$169
This eDestinos deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/98:18 am
PHL
- SJU
1 stop10h 37m
Spirit Airlines
Sat 4/182:09 am
SJU
- PHL
Nonstop4h 03m
Spirit Airlines
Deal found 3/30![Spirit Airlines logo]()
$175
This Priceline deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1011:14 am
PHL
- SJU
Nonstop3h 50m
Multiple Airlines
Thu 4/162:09 am
SJU
- PHL
Nonstop4h 03m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$159
This CheapOair deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/108:52 pm
PHL
- SJU
Nonstop3h 42m
Multiple Airlines
Fri 4/176:00 am
SJU
- PHL
1 stop16h 59m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$165
This CheapOair deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:39 pm
PHL
- SJU
Nonstop3h 50m
Multiple Airlines
Fri 4/172:09 am
SJU
- PHL
Nonstop4h 03m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$174
This deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/128:39 pm
PHL
- SJU
Nonstop3h 50m
Frontier
Mon 4/133:08 am
SJU
- PHL
1 stop11h 21m
Frontier
Deal found 3/31![Frontier logo]()
$170
This Cheapflightsfares deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/138:52 pm
PHL
- SJU
Nonstop3h 42m
Spirit Airlines
Wed 4/1512:57 pm
SJU
- PHL
1 stop10h 40m
Spirit Airlines
Deal found 3/30![Spirit Airlines logo]()
$166
One-way flights from Philadelphia to Luis Munoz Marin IntlSearch for one-way flight options from Philadelphia to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated April 3, 2026.
Search for one-way flight options from Philadelphia to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated April 3, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/179:02 pm
PHL
- SJU
Nonstop3h 52m
Spirit Airlines
Deal found 3/31![Spirit Airlines logo]()
$78
This Trip.com deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:50 am
PHL
- SJU
1 stop11h 09m
Frontier
Deal found 4/2![Frontier logo]()
$79
This Super.com deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/18:39 pm
PHL
- SJU
Nonstop3h 50m
Frontier
Deal found 4/3![Frontier logo]()
$80
This Cheapflightsfares deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/229:02 pm
PHL
- SJU
Nonstop3h 52m
Spirit Airlines
Deal found 4/3![Spirit Airlines logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:50 am
PHL
- SJU
1 stop11h 09m
Frontier
Deal found 4/3![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:50 am
PHL
- SJU
1 stop11h 09m
Frontier
Deal found 4/2![Frontier logo]()
$83
This Super.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/179:02 pm
PHL
- SJU
Nonstop3h 52m
Spirit Airlines
Deal found 3/30![Spirit Airlines logo]()
$84
This Mytrip deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:51 pm
PHL
- SJU
1 stop7h 07m
Spirit Airlines
Deal found 3/31![Spirit Airlines logo]()
$85
This eDestinos deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/128:07 pm
PHL
- SJU
Nonstop3h 52m
Frontier
Deal found 3/30![Frontier logo]()
$86
This Cheapflightsfares deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:45 am
PHL
- SJU
1 stop13h 37m
Spirit Airlines
Deal found 3/31![Spirit Airlines logo]()
$87
This Cheapflightsfares deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2410:38 pm
PHL
- SJU
1 stop16h 59m
Frontier
Deal found 3/30![Frontier logo]()
$88
This Cheapflightsfares deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/38:39 pm
PHL
- SJU
Nonstop3h 50m
Frontier
Deal found 3/31![Frontier logo]()
$89
Cheapflights Fare Finder
Customize your flight search to find flights from Philadelphia to Luis Munoz Marin Intl 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, Cheapflights users made 2,558,603 searches. Data last updated April 3, 2026.
Use the filters below to find and compare flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Tue 4/21
10:00 am-9:24 pm
2 stops11h 24m
San Juan Luis Munoz Marin Intl
Sun 4/26
1:00 am-2:10 pm
2 stops13h 10m
$316
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Sat 4/25
10:00 am-9:24 pm
2 stops11h 24m
San Juan Luis Munoz Marin Intl
Sat 5/2
7:20 am-9:44 pm
2 stops14h 24m
$367
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Tue 8/4
10:45 am-10:00 pm
2 stops11h 15m
San Juan Luis Munoz Marin Intl
Mon 8/10
6:30 am-3:25 pm
1 stop8h 55m
$368
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Thu 4/16
11:36 am-11:50 pm
2 stops12h 14m
San Juan Luis Munoz Marin Intl
Wed 5/13
1:00 am-9:54 am
2 stops8h 54m
$376
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Wed 8/12
7:15 am-7:00 pm
2 stops11h 45m
San Juan Luis Munoz Marin Intl
Mon 8/17
6:30 am-5:25 pm
2 stops10h 55m
$431
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Tue 6/16
10:40 am-10:27 pm
1 stop11h 47m
San Juan Luis Munoz Marin Intl
Mon 6/22
12:54 pm-10:45 pm
1 stop9h 51m
$456
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Fri 7/31
2:00 pm-12:05 am
2 stops10h 05m
San Juan Luis Munoz Marin Intl
Mon 8/3
6:30 am-5:50 pm
2 stops11h 20m
$494
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Thu 8/6
5:55 am-4:55 pm
2 stops11h 00m
San Juan Luis Munoz Marin Intl
Sun 8/9
5:30 am-3:55 pm
2 stops10h 25m
$497
Quickest round-trip
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Wed 6/3
5:17 am-12:01 pm
1 stop6h 44m
San Juan Luis Munoz Marin Intl
Thu 6/4
1:14 pm-10:12 pm
1 stop8h 58m
$516
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Sat 5/2
10:00 am-11:50 pm
2 stops13h 50m
San Juan Luis Munoz Marin Intl
Tue 5/5
7:00 am-2:16 pm
2 stops31h 16m
$517
Showing 1-10 of 24 resultsSorted by cheapest first
Compare providers for flights from Philadelphia to Luis Munoz Marin Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Luis Munoz Marin Intl in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Philadelphia-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Philadelphia-San Juan Luis Munoz Marin Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-San Juan Luis Munoz Marin Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Philadelphia to Luis Munoz Marin Intl
Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Philadelphia with our price prediction graph.
PHL-SJU
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Philadelphia to San Juan Luis Munoz Marin Intl Airport
Prices
Airlines
Delays
More
How far ahead should I book a flight from Philadelphia to San Juan Luis Munoz Marin Intl Airport?
Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Luis Munoz Marin Intl. Price data was last updated on April 2, 2026.
The best time to book flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport is 59 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Philadelphia to San Juan Luis Munoz Marin Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Philadelphia to San Juan Luis Munoz Marin Intl Airport (average of $71). Flying from Philadelphia to San Juan Luis Munoz Marin Intl Airport in August is currently the most expensive (average of $138). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from PHL to SJU?
Find hourly flight availability from Philadelphia to Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 3, 2026.
It’s typically best to fly out from Philadelphia to San Juan Luis Munoz Marin Intl Airport in the evening. Doing so could potentially save you 18% on the flight price compared to flying in the afternoon, which is usually more expensive.
What is the cheapest day to fly from Philadelphia to San Juan Luis Munoz Marin Intl Airport?
Use this chart to determine the cheapest time to fly round-trip from Philadelphia to Luis Munoz Marin Intl. Price data was last updated on March 28, 2026.
Travelers seeking maximum savings on their Philadelphia to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Monday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from Philadelphia to San Juan delayed?
About 32% of weekly flights between Philadelphia and San Juan have experienced delays in the past year, with the average delay time being 146 minutes.
What is the most punctual flight time for Philadelphia to San Juan flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Philadelphia to San Juan flights?
Over the last year, Spirit Airlines have had the lowest number of delays on this route, with just 27% of flights being delayed.
What’s the top layover airport for flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport?
Share of 1-stop round-trip flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Washington, D.C. (IAD) – chosen by Cheapflights users on 33% of 1-stop itineraries from Philadelphia to San Juan Luis Munoz Marin Intl Airport on Cheapflights.
What’s the cheapest layover airport for flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport?
Average round-trip fare for 1-stop flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Raleigh (RDU) is the most affordable 1-stop option, with an average round-trip price of $183.
What’s the fastest layover option from Philadelphia to San Juan Luis Munoz Marin Intl Airport?
Shortest average travel time for 1-stop one-way flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Washington, D.C. (IAD) have the shortest average one-way travel time for 1-stop routes: 6h 19m.
Which airport typically offers the quickest layover for flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport?
Average layover duration for 1-stop one-way flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 13m.
Reviews of airlines servicing Luis Munoz Marin Intl
Get insights into the airlines that provide service to Luis Munoz Marin Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Luis Munoz Marin Intl. Reviews last updated April 3, 2026.
Read reviews from past customers who have flown Delta,JetBlue, andAmerican Airlines from Philadelphia to San Juan Luis Munoz Marin Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.2
Crew
8.5
Entertainment
7.8
Comfort
7.9
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Food
7.2
Crew
8.5
Entertainment
7.8
Comfort
7.9
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Food
7.2
Crew
8.5
Entertainment
7.8
Comfort
7.9
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Food
7.2
Crew
8.5
Entertainment
7.8
Comfort
7.9
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Food
7.2
Crew
8.5
Entertainment
7.8
Comfort
7.9
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Food
7.2
Crew
8.5
Entertainment
7.8
Comfort
7.9
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
Find useful and relevant information for your journey from Philadelphia to Luis Munoz Marin Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Juan Luis Munoz Marin Intl Airport?
Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locationsFajardo
Luquillo
Rio Grande
Dorado
Humacao
Bayamón
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Other flights to Luis Munoz Marin Intl
Explore flights to Luis Munoz Marin Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 3, 2026.
Philadelphia and Luis Munoz Marin Intl flights
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Top 7 airlines flying from Philadelphia to Luis Munoz Marin Intl
Discover the top 7 airlines that operate flights from Philadelphia to Luis Munoz Marin Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$82 | Average$167 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$128 | Average$272 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$139 | Average$285 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$168 | Average$356 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$207 | Average$436 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$215 | Average$385 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$265 | Average$485 | FlexibilityNo cancel fee | On-time71% |