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Cheap flights from Philadelphia to San Juan

One-way from $57, found by travellers in the last 7 days. The live price is checked when you book.

Departure
Return
Prices for nearby dates
Thu, Jan 7Any priceFri, Jan 8Any priceSat, Jan 9Any priceSun, Jan 10$57Mon, Jan 11Any priceTue, Jan 12Any priceWed, Jan 13Any priceThu, Jan 14Any price

Cheapest one-way tickets

Recent finds on different dates, for 1 adult. Booking opens on Aviasales, which shows baggage, fare rules and the live price.

Cheapest
$57
Frontier Airlines, flight F9 1726Found 7 days ago, 1 adult
Check live price
8:56pmPhiladelphiaSun, Jan 10
Travel time 3h 46m, nonstopPHLSJU
1:42amSan JuanMon, Jan 11
$59
Frontier Airlines, flight F9 1166Found 7 days ago, 1 adult
Check live price
11:27amPhiladelphiaTue, Nov 17
Travel time 3h 50m, nonstopPHLSJU
4:17pmSan JuanTue, Nov 17
$69
Frontier Airlines, flight F9 1016Found 3 days ago, 1 adult
Check live price
6:00amPhiladelphiaThu, Nov 19
Travel time 3h 55m, nonstopPHLSJU
10:55amSan JuanThu, Nov 19
$83
Frontier Airlines, flight F9 1726Found yesterday, 1 adult
Check live price
9:26pmPhiladelphiaSun, Jan 17
Travel time 3h 50m, nonstopPHLSJU
2:16amSan JuanMon, Jan 18
$97
Frontier Airlines, flight F9 2415Found yesterday, 1 adult
Check live price
5:01amPhiladelphiaThu, Dec 3
Travel time 5h 43m, 1 stopPHLSJU
11:44amSan JuanThu, Dec 3

Round trips

The cheapest return tickets found recently, price for the whole trip.

Price calendar

The lowest one-way fare found for each day over the next 60 days. On other days, “Check” opens the live search for that date.

November 2026

MoTuWeThFrSaSu1234567Check8Check9Check10Check11Check12Check13Check14Check15Check16Check17$5918Check19$6920Check21Check22Check23Check24Check25Check26Check27Check28Check29Check30Check

December 2026

MoTuWeThFrSaSu1Check2Check3$974Check5Check6Check7Check8Check9Check10Check11Check12Check13Check14Check15Check16Check17Check18Check19Check20Check21$18922$19823$13524Check25Check26Check27Check28$12129$14530Check31Check

January 2027

MoTuWeThFrSaSu1Check2Check3Check4Check5Check6Check7Check8Check9Check10Check11Check12Check13Check14Check15Check16Check17Check18Check19Check20Check21Check22Check23Check24Check25Check26Check27Check28Check29Check30Check31Check
$69 or lessGreen: the cheapest fifth of fares on this route. Lowest in these 60 days: Nov 17, $59.

Lowest fares by month

In the fares found this week, January 2027 has the lowest: from $57 one-way, against $158 in February 2027. Pick a month to see its cheapest date.

  1. Nov$59
  2. Dec$97
  3. Jan$57
  4. Feb$158
  5. Marno fares yet
  6. Aprno fares yet
  7. Mayno fares yet
  8. Junno fares yet
  9. Julno fares yet
  10. Augno fares yet
  11. Sepno fares yet
  12. Octno fares yet
$0$100$200NovDec$57JanFebMarAprMayJunJulAugSepOct
Show as a table
MonthCheapest one-wayDateStops
November$59Tue, Nov 17Nonstop
December$97Thu, Dec 31 stop
January 2027$57Sun, Jan 10Nonstop
February 2027$158Sun, Feb 141 stop
March 2027—
April 2027—
May 2027—
June 2027—
July 2027—
August 2027—
September 2027—
October 2027—

Fares and weather by month

The lowest one-way fare found for each month, next to the weather in San Juan. Average daily high and low and monthly precipitation, 1991–2020 normals.

Nov2026DecJan2027FebMarAprMayJunJulAugSepOct
Lowest fare$59$97$57$158––––––––
High °C30°29°28°29°29°30°31°32°32°32°32°31°
Low °C24°23°22°22°22°23°24°25°25°25°25°25°
Precipitation mm1871231036655117141118153160165132

Source: San Juan, Puerto Rico on Wikipedia, CC BY-SA 4.0.

Plan the rest of the trip

  • Getting from the airportTransfers and car hire in San Juan, booked ahead at a fixed price.
    See options

Before you fly

Questions travellers ask

What is the cheapest month to fly from Philadelphia to San Juan?

In the fares found this week, January 2027 has the lowest: from $57 one-way, against $158 in February 2027.

What is the weather in San Juan in January 2027?

In January 2027, the cheapest month to fly, the average daily high in San Juan is 28 °C and the low 22 °C.

Are there direct flights from Philadelphia to San Juan?

Yes. Recent fares include nonstop flights with Frontier Airlines.

How long is the flight from Philadelphia to San Juan?

A nonstop flight takes about 3h 46m. The distance is 1,580 mi.

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