Cheap flights from Pittsburgh to San Juan from $163 PIT → SJU

Found recently, and the cheapest we hold

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $185 to $636.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other 14-night return fares leaving within 3 days of 23 Dec to compare.

Every date we hold

6 fares on 2 departure dates

Which month looks cheapest?

November 2026 is the cheapest month — from $469.

Found recently, and the cheapest we hold

What have prices looked like?

Over 10 days, 2 Nov to 11 Nov, the cheapest one-way we saw each day was $132 to $182.

10 days is a short history, so treat this range as an early guide.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

Yes. Among one-way fares leaving within 3 days of 2 Jan 2027, 4 Jan 2027 costs $162: $1 less than the cheapest found recently.

Allegiant Air · Pittsburgh International Airport (PIT) → Luis Munoz Marin International Airport (SJU) · 1 stop · found 7 days ago

Open this tripCheck today's price

FareTell may earn a commission when you book through a partner.

Every date we hold

16 fares on 9 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $132.

Return

Fares 90 to 179 days before departure were typically 29% lower than 7 to 13 days before departure.

From the cheapest return each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

One-way

Not enough history yet: in 10 days of one-way prices, 2 Nov to 11 Nov, fewer than 3 booking ranges had prices on 7 days or more.

How much is a return flight from Pittsburgh to San Juan?

The cheapest return found recently is $523 with Frontier Airlines, 23 Dec to 6 Jan 2027, found 3 days ago. The cheapest return we hold, of any age, is $469 with Southwest Airlines, 21 Nov to 28 Nov, found 6 days ago.

How much is a one-way flight from Pittsburgh to San Juan?

The cheapest one-way found recently is $163 with American Airlines, 2 Jan 2027, found 2 days ago. The cheapest one-way we hold, of any age, is $132 with Frontier Airlines, 14 Dec, found 7 days ago. The cheapest one-way fare on each of 9 departure dates is usually $163 to $178.

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

November 2026 is the cheapest month for a return, from $469, 21 Nov to 28 Nov, found 6 days ago. December 2026 is the cheapest month for a one-way, from $132, 14 Dec, found 7 days ago.

How far ahead should I book a flight from Pittsburgh to San Juan?

In 49 days of prices between 24 Sept and 11 Nov, return fares 90 to 179 days before departure were typically 29% lower than 7 to 13 days before departure.

How long is the flight from Pittsburgh to San Juan?

The cheapest one-way found recently, with American Airlines on 2 Jan 2027, takes 11 h 22 min with 1 stop.

Which airlines have the cheapest flights from Pittsburgh to San Juan?

Between 29 Nov and 6 Jan 2027, American Airlines has the cheapest one-way on 4 of the 9 departure dates we hold, Frontier Airlines on 2 and Southern Airways Express on 1.