Montreal (YUL) to San Juan (SJU) flight deal in economy from $288

United AirlinesUAUnited Airlines
Round Trip•Economy
CanadaYUL

Montréal-Pierre Elliott Trudeau International Airport

Montreal, Canada
Puerto RicoSJU

Luis Muñoz Marín International Airport

San Juan, Puerto Rico
$589 USD
-51%$288 USD
Verified 15 days ago
Rare Availability
7% of dates checked are available within 10% of the lowest price

Monday, August 17th, 2026

6 round-trip options

Returning
Sun, Aug 23, 2026•6 Day Trip
$705 USD
Google Flights
Returning
Mon, Aug 24, 2026•7 Day Trip
$610 USD
Google Flights
Returning
Tue, Aug 25, 2026•8 Day Trip
$607 USD
Google Flights
Returning
Wed, Aug 26, 2026•9 Day Trip
$555 USD
Google Flights
Returning
Thu, Aug 27, 2026•10 Day Trip
$555 USD
Google Flights
Returning
Sun, Aug 30, 2026•13 Day Trip
$581 USD
Google Flights