Cheap flights from San Juan

We are watching 54 routes out of San Juan. The cheapest fare we can vouch for today is €32, and for each one we say whether today is a good moment or you should wait.

See this fare · Philadelphia €32 Miami €50 Fort Lauderdale €61

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Where to fly from San Juan

Fri

13 Nov

San Juan → Philadelphia

Frontier Airlines Based on 386 observations ✈ Direct

Frontier Airlines Based on 361 observations ✈ Direct

€50

Thu

10 Dec

San Juan → Fort Lauderdale

Frontier Airlines Based on 202 observations ✈ Direct

Frontier Airlines Based on 206 observations 1 stop

Frontier Airlines Based on 42 observations 1 stop

€75

Tue

10 Nov

San Juan → Punta Cana

Frontier Airlines Based on 131 observations ✈ Direct

Frontier Airlines Based on 109 observations 1 stop

Frontier Airlines Based on 71 observations 1 stop

€86

Tue

22 Dec

San Juan → Indianapolis

Frontier Airlines Based on 44 observations 1 stop

jetBlue Based on 287 observations ✈ Direct

Frontier Airlines Based on 49 observations 1 stop

€89

Fri

15 Jan

San Juan → Christiansted

jetBlue Based on 15 observations ✈ Direct

€93

Thu

7 Jan

San Juan → Santo Domingo

Frontier Airlines Based on 174 observations ✈ Direct

Frontier Airlines Based on 123 observations 1 stop

American Airlines Based on 69 observations 1 stop

€97

Sat

14 Nov

San Juan → Raleigh/Durham

Frontier Airlines Based on 111 observations 1 stop

Frontier Airlines Based on 101 observations ✈ Direct

Frontier Airlines Based on 97 observations 1 stop

€102

Thu

12 Nov

San Juan → Washington

Frontier Airlines Based on 54 observations 1 stop

€105

Wed

18 Nov

San Juan → Beef Island

InterCaribbean Airways Based on 21 observations ✈ Direct

€105

Fri

13 Nov

San Juan → Charlotte Amalie

jetBlue Based on 22 observations ✈ Direct

jetBlue Based on 182 observations 1 stop

€116

Sat

12 Dec

San Juan → Los Angeles

jetBlue Based on 108 observations 1 stop

€116

Mon

16 Nov

San Juan → Jacksonville

Southwest Airlines Based on 23 observations 2 stops

Copa Airlines Based on 50 observations 1 stop

€126

Sat

7 Nov

San Juan → Sint Maarten

Copa Airlines Based on 10 observations 1 stop

Southwest Airlines Based on 10 observations 2 stops

Frontier Airlines Based on 53 observations 1 stop

€143

Tue

15 Dec

San Juan → Oklahoma City

Frontier Airlines Based on 16 observations 3 stops

Frontier Airlines Based on 14 observations 2 stops

€145

Thu

10 Dec

San Juan → Basseterre

InterCaribbean Airways Based on 21 observations ✈ Direct

jetBlue Based on 88 observations ✈ Direct

Frontier Airlines Based on 106 observations 1 stop

€159

Sat

5 Dec

San Juan → Puerto Plata

Copa Airlines Based on 11 observations 1 stop

avianca airlines Based on 12 observations 1 stop

Frontier Airlines Based on 82 observations 3 stops

Copa Airlines Based on 51 observations 2 stops

Frontier Airlines Based on 52 observations 1 stop

Frontier Airlines Based on 24 observations 1 stop

American Airlines Based on 23 observations 1 stop

Arajet Based on 40 observations 1 stop

Frontier Airlines Based on 8 observations 3 stops

avianca airlines Based on 47 observations 1 stop

jetBlue Based on 13 observations 1 stop

avianca airlines Based on 78 observations 1 stop

jetBlue Based on 16 observations 2 stops

jetBlue Based on 20 observations 3 stops

€301

Sat

2 Jan

San Juan → Dallas-Fort Worth

Frontier Airlines Based on 20 observations ✈ Direct

Iberia Based on 19 observations 1 stop

American Airlines Based on 8 observations 1 stop

€344

Thu

19 Nov

San Juan → Buenos Aires

Frontier Airlines Based on 22 observations 2 stops

jetBlue Based on 9 observations 2 stops

United Airlines Based on 8 observations 2 stops

avianca airlines Based on 8 observations 2 stops

€383

Flights from San Juan: quick answers

What is the cheapest flight from San Juan right now?

Philadelphia at €32 one-way, the lowest fare today across the 54 routes we track from San Juan. Next: Miami €50, Fort Lauderdale €61, Tampa €75.

How far in advance should I book flights from San Juan?

14–27 days before departure: that has been the cheapest booking window on 13 of the 43 routes from San Juan where we measured it.

Which airlines have the cheapest flights from San Juan?

Frontier Airlines has the lowest fare on 26 of the 54 routes we track from San Juan, then jetBlue (10), Copa Airlines (4), avianca airlines (4), American Airlines (3).

How many routes from San Juan does Piratefly track?

54 routes, with 3,927 fares we have recorded over time.

Booking tips from our fare data

How far in advance should you book a flight?: Book 1–1.5 months before departure. Tracking the same flights at every lead time (97,668 flights on 19,841 routes, 2026-06-14 to 2026-11-05), that window had the smallest average premium over each flight's lowest fare: +16.7%, against +49.3% in the last 3 days.
What is the cheapest day of the week to fly?: Wednesday. Comparing each fare with the median of its own route, Wednesday departures were +3.5% and Tuesday +4.3%, while Friday was the dearest at +10.5%. Weekend departures cost more than midweek ones.
What is the cheapest month to fly?: November 2026. Comparing each route's fares month by month (booked 8–60 days ahead), November 2026 departures were -1.1% against the route's own median, while January 2027 was the dearest at +22.7%. Covers September 2026, October 2026, November 2026, December 2026, January 2027; fares observed 2026-06-14 to 2026-11-05.