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Latin America
San Juan
Puerto Rico · SJU · 5,792.514 km from SF (via SJC)
Est. Aug 2026
$295
off-peak
Late summer and early fall Caribbean fares are half of winter.
Hurricane risk Aug to Oct drives the real discount window.
Ready to book?
Suggested cheapest window August 2026 · 2026-08-07 → 2026-08-15
Or search August 2026: 2026-08-07 → 2026-08-15
August 2026 is off-peak
This is the cheap, quiet window. Expect lower fares, fewer crowds, and occasionally softer weather.
Why this season?
- Weatherdrives prices downAug, Sep, OctOff-season weather discounts
Quieter months driven by local climate; see the climate note for specifics.
- Weatherdrives prices upJan, Feb, Mar, Apr, DecLocally peak weather and tourism
Hurricane risk Aug to Oct drives the real discount window.
Weather through the year
12-month fare curve
12-month estimated fare curve
Range $295 – $565
off-peak shoulder peak holiday spike
$565
$565
$565
$565
$375
$375
$375
$295
$295
$295
$375
$565
J
F
M
A
M
J
J
A
S
O
N
D
Cheapest month
October
~$295 · off-peak
Most expensive
December
~$565 · peak
Peak months
Jan, Feb, Mar, Apr, Dec
avoid these for budget