San Juan to Philadelphia flights
The cheapest round trip we found from San Juan to Philadelphia is $112 (Dec 3 – 6, Nonstop), 3% below the usual $116.
SJU to PHL · Round trip · Economy · Prices per person in USD · Price found (2 days ago)
Cheapest found
Cheapest round trip by month
Lowest fare found per departure month| Month | Cheapest round trip |
|---|---|
| November 2026 | $115 |
| December 2026 | $112 (cheapest month) |
| January 2027 | $271 |
| February 2027 | $117 |
Cheapest dates in the next 4 months
Round trip, per person-
Dec 3 – 6 3 nights · leave Thu$112$112 Book
Frontier Airlines Nonstop · 4h 09m -
Feb 4 – 7, 2027 3 nights · leave Thu$117$117 Book
Frontier Airlines Nonstop · 4h 08m
-
Dec 30 – Jan 5, 2027 6 nights · leave Wed$248 +114% vs usual$248 +114% vs usual Book
Frontier Airlines Nonstop · 4h 14m
-
Jan 1 – 5, 2027 4 nights · leave Fri$271 +134% vs usual$271 +134% vs usual Book
Southwest Airlines 2 stops · 8h 45m -
Dec 23 – 28 5 nights · leave Wed$331 +185% vs usual$331 +185% vs usual Book
Frontier Airlines 1 stop · 4h 14m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
Things to do in Philadelphia
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Go City prices checked Oct 23, 2026; the final price is on Go City. Partner links: we may earn a commission if you book, at no extra cost to you.
Plan the rest of your trip
Philadelphia · Dec 3 – 6- eSIM for United States Yesim · prepaid mobile data (opens Yesim in a new tab)
- Car rental Economybookings · compare rental companies (opens Economybookings in a new tab)
Partner links: we may earn a commission if you book, at no extra cost to you.
Good to know
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Flights to Philadelphia from other cities
All flights to Philadelphia Flying the other way? Philadelphia to San Juan from $109
San Juan to Philadelphia: questions
How much does a flight from San Juan to Philadelphia cost?
The cheapest round trip we have found right now is $112, leaving December 3 and returning December 6. The usual price on this route is about $116, so this fare is 3% less. Prices are per person, economy, in USD.
What is the cheapest month to fly from San Juan to Philadelphia?
December 2026, with round trips from $112. The most expensive month in our data is January (from $271). Based on the 4 months ahead we have prices for.
Which airports do San Juan to Philadelphia flights use?
San Juan airports include Luis Munoz Marin International (SJU) and Isla Grande (SIG). Philadelphia airports include Philadelphia International (PHL) and Trenton-Mercer (TTN). The prices on this page cover every airport in both cities (SJU and PHL are the city codes).
About this route
We track round-trip economy fares from San Juan (Puerto Rico) to Philadelphia (United States) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $112, departing December 3 and returning December 6 on a nonstop flight, about 3% below the usual $116. Right now we're following 5 upcoming date combinations on this route. The cheapest month to fly in our data is December, from $112. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.