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Latin America
San Juan
Puerto Rico · SJU · 5,792.514 km from SF (via SJC)
Est. May 2026
$375
shoulder
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 May 2026: 2026-05-30 → 2026-06-07
May 2026 is shoulder
The in-between months — near-peak weather at a material discount. Often the best overall value.
Why this season?
- Weatherdrives prices upJan, Feb, Mar, Apr, DecLocally peak weather and tourism
Hurricane risk Aug to Oct drives the real discount window.
- Weatherdrives prices downAug, Sep, OctOff-season weather discounts
Quieter months driven by local climate; see the climate note for specifics.
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