Flights to San Juan, United States

One search, all the flights

We find you the best flight deals and travel hacks so that you can choose how to book.

Rise above all travel anxieties

With the Kiwi.com Guarantee we have your back with whatever happens.

Trusted by millions

Join over 10 million yearly travellers booking with ease.

Weather in San Juan

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January27°C22°C
February27°C22°C
March27°C22°C
April28°C23°C
May29°C24°C
June30°C25°C
July30°C25°C
August30°C25°C
September30°C25°C
October29°C25°C
November28°C24°C
December27°C23°C
Hottest Month
30°C
August
Coldest month
22°C
February
Sunny days
252
days per year

14 day forecast

Saturday
19 Apr
84%
27°C25°C
26 Apr
84%
27°C23°C
Sunday
20 Apr
88%
27°C23°C
27 Apr
88%
27°C24°C
Monday
21 Apr
82%
24°C23°C
28 Apr
85%
27°C24°C
Tuesday
22 Apr
89%
27°C23°C
29 Apr
87%
26°C24°C
Wednesday
23 Apr
83%
27°C22°C
30 Apr
87%
28°C24°C
Thursday
24 Apr
79%
27°C22°C
1 May
89%
27°C24°C
Friday
25 Apr
88%
27°C24°C
2 May
87%
27°C24°C

Cheapest month to fly to San Juan

Explore price trends for trips to San Juan

Annual Avg. Price102 USD
May 202577 USD
June 202591 USD
July 202581 USD
August 202582 USD
September 202591 USD
October 202591 USD
November 202591 USD
December 202591 USD
January 2026117 USD
February 2026171 USD
March 2026138 USD
Explore the map
Explore

We hack the system,
you fly for less