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Flights from Philadelphia to San Juan

Find the cheapest direct flight options from Philadelphia to San Juan over the next three months. Book one-way tickets from ₹ 16,668 and round-trip tickets from ₹ 21,481.

Displayed flight fares from Philadelphia to San Juan are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight details for Philadelphia to San Juan

The distance between Philadelphia and San Juan is 2,542.65km. It takes around 3 hours 56 minutes on average to fly from Philadelphia to San Juan. Based on Trip.com's data, travel demand peaks in July. The off-season for travel is October.

Cheapest one-way flight price₹ 9,232
Cheapest return ticket price₹ 19,685
Off-season travel monthOctober
Peak season for travelJuly
Flight distance2,542.65km
Average flight time3 hours 56 minutes
Flight statistics for the Philadelphia–San Juan route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com price insights on flights from Philadelphia to San Juan

What is the cheapest month for one-way flights from Philadelphia to San Juan?

The average one way ticket price paid by Trip.com users from Philadelphia to San Juan in each month over the past 12 months.

Based on Trip.com data, the cheapest month to fly from Philadelphia to San Juan is January, with an average price of ₹ 10,547. The most expensive month is usually December, with average prices reaching ₹ 20,330.

₹ 20,330
₹ 15,439
₹ 10,547
₹ 5,656
    Cheapest
  • ₹ 14,738
    Jun
  • ₹ 18,720
    Jul
  • ₹ 17,844
    Aug
  • ₹ 14,115
    Sep
  • ₹ 12,087
    Oct
  • ₹ 14,001
    Nov
  • ₹ 20,330
    Dec
  • ₹ 10,547
    Jan
  • ₹ 11,724
    Feb
  • ₹ 15,844
    Mar
  • ₹ 13,562
    Apr
  • ₹ 12,534
    May

Which day of the week is cheapest to fly from Philadelphia to San Juan?

Data is based on the past 12 months and shows the average weekly airfare from Philadelphia to San Juan on different days of the week according to Trip.com.

Based on Trip.com data from the past 12 months, the cheapest day to fly from Philadelphia to San Juan is Tuesday. The average fare on this day is usually lower than on other days. Try to avoid flying on Wednesday as fares are usually the highest.

₹ 18,969
₹ 14,278
₹ 9,587
₹ 4,896
  • ₹ 12,943
    Mon
  • ₹ 9,587
    Tue
  • ₹ 18,969
    Wed
  • ₹ 15,788
    Thu
  • ₹ 15,671
    Fri
  • ₹ 12,610
    Sat
  • ₹ 14,319
    Sun

Flight FAQs

  • Which airlines offer the cheapest flights from Philadelphia (PHL) to San Juan (SJU)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as ₹ 9,232 on Cheapest nonstop routes (e.g. TTN to SJU on Wed, Jun 10), while Frontier Airlines offers Cheapest nonstop round-trips from ₹ 19,685 departing on Sun, Jun 7 and returning on Sun, Jun 14.
  • It takes about 3 hours 56 minutes to fly from Philadelphia (PHL) to San Juan (SJU).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Philadelphia to San Juan is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Philadelphia to San Juan, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Jun 10, with one-way flights priced at just ₹ 9,232.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Frontier Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for San Juan travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Philadelphia to San Juan is October, when demand for travel is lower.
  • After crunching the numbers on our June flight calendar, it's currently cheapest to fly from Philadelphia to San Juan on June 7, 2026 with Frontier Airlines, with prices starting at ₹ 19,685.
  • The time difference between San Juan and Philadelphia is 1h.
  • Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Trip.com airline insights on flights from Philadelphia to San Juan

Which airlines offer the cheapest direct flights from Philadelphia to San Juan?

Data is based on the past 12 months and reflects the average fare of all direct flights from Philadelphia to San Juan on Trip.com.

Based on Trip.com data from the past 12 months, the airline offering the cheapest direct flights from Philadelphia to San Juan is Delta Air Lines, with an average fare of ₹ 6,440.

₹ 6,440
₹ 17,290
₹ 28,140
₹ 38,990
Delta Air Lines
₹ 6,440
Delta Air Lines
Spirit Airlines
₹ 12,291
Spirit Airlines
Frontier Airlines
₹ 16,893
Frontier Airlines
Jetblue Airways
₹ 36,128
Jetblue Airways
American Airlines
₹ 38,990
American Airlines

Which airlines operate the most flights from Philadelphia to San Juan?

The data is based on the past month and shows the number of flights each airline has from Philadelphia to San Juan on Trip.com.

According to Trip.com data from the past month, the airline with the most flights from Philadelphia to San Juan is American Airlines/Frontier Airlines, operating 20 flights per week.

2
8
14
20
American Airlines
20
American Airlines
Frontier Airlines
20
Frontier Airlines
Jetblue Airways
8
Jetblue Airways
British Airways
8
British Airways

How many flights fly from Philadelphia to San Juan each day?

The data is based on the past month and shows the number of flights per day of the week from Philadelphia to San Juan on Trip.com.

Based on Trip.com data from the past month, flights from Philadelphia to San Juan are most frequent on Friday, while the fewest flights operate on Tuesday/Wednesday.

38
33
28
23
Highest
31
Mon
28
Tue
28
Wed
30
Thu
38
Fri
34
Sat
33
Sun