Cheap flights from San Antonio, TX to San Juan, United States

Flights starting at £77. Choose between Spirit Airlines, Frontier Airlines, or JetBlue Airways to find the best price.

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Travelers usually depart from San Antonio International, San Antonio, or San Antonio-Pearl when they travel from San Antonio to San Juan. Book your trip to arrive at Luis Muñoz Marín International, or Fernando Luis Ribas Dominicci. The most popular airlines for this route are Spirit Airlines, Frontier Airlines, JetBlue Airways, United Airlines, and Silver Airways. San Antonio and San Juan have 209 direct flights per week.

Check-in for a flight from San Antonio to San Juan

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
JetBlue AirwaysJBUB6NoOpens 24 days before flight
Closes 2 hours before flight
United AirlinesUALUAYesNo
Silver AirwaysSIL3MNoOpens 24 days before flight
Closes 2 hours before flight

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
March
Sunny days
247
days per year

14 day forecast

Sunday
25 Feb
98%
26°C23°C
3 Mar
86%
26°C23°C
Monday
26 Feb
93%
26°C23°C
4 Mar
86%
28°C22°C
Tuesday
27 Feb
86%
26°C23°C
5 Mar
87%
27°C22°C
Wednesday
28 Feb
88%
27°C23°C
6 Mar
84%
27°C22°C
Thursday
29 Feb
87%
27°C23°C
7 Mar
89%
28°C23°C
Friday
1 Mar
87%
27°C23°C
8 Mar
86%
28°C23°C
Saturday
2 Mar
87%
27°C23°C
9 Mar
72%
29°C23°C

Frequently asked questions

What are the most popular routes to and from San Antonio?
What are the most popular routes to and from San Juan?
What airports are near San Antonio?
What airports are near San Juan?
Is it possible to combine flights, buses, and trains in one itinerary when traveling between San Antonio and San Juan?
What is Virtual Interlining and how do I use it?
Which airlines fly between San Antonio and San Juan?
When's the best time to travel between San Antonio and San Juan?
What flights operate between San Antonio and San Juan?
How many airports are there near San Antonio?
How many airports are there near San Juan?
What time do nonstop (direct) flights between San Antonio and San Juan depart?
What time do nonstop (direct) flights between San Antonio and San Juan arrive?
What time do flights between San Antonio and San Juan depart?
What time do flights between San Antonio and San Juan arrive?

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