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 16 days ago
Rare Availability
7% of dates checked are available within 10% of the lowest price

Monday, October 12th, 2026

6 round-trip options

Returning
Sat, Oct 17, 2026•5 Day Trip
$537 USD
Google Flights
Returning
Tue, Oct 20, 2026•8 Day Trip
$664 USD
Google Flights
Returning
Wed, Oct 21, 2026•9 Day Trip
$579 USD
Google Flights
Returning
Fri, Oct 23, 2026•11 Day Trip
$537 USD
Google Flights
Returning
Sat, Oct 24, 2026•12 Day Trip
$537 USD
Google Flights
Returning
Mon, Oct 26, 2026•14 Day Trip
$537 USD
Google Flights