YUL to SJU from $288 in economy

UAUnited Airlines

Round Trip•Economy

YUL

Montréal-Pierre Elliott Trudeau International Airport

Montreal, Canada

SJU

Luis Muñoz Marín International Airport

San Juan, Puerto Rico

$589 USD

-51%$288 USD

Verified 16 days ago

September 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

31$316 1$302 2$288 3$330 4$288 5$288 6$288 7$371 8$288 9$288 10$288 11$288 12$288 13$367 14$339 15$288 16$330 17$288 18$288 19$288 20$417 21$330 22$288 23$310 24$288 25$330 26$324 27$433 28$467 29$288 30$310 1$288 2$330 3$305 4$467

Rare Availability

7% of dates checked are available within 10% of the lowest price

Monday, September 14th, 2026

6 round-trip options

Returning

Sat, Sep 19, 2026•5 Day Trip

$339 USD

Google Flights

Returning

Tue, Sep 22, 2026•8 Day Trip

$339 USD

Google Flights

Returning

Wed, Sep 23, 2026•9 Day Trip

$534 USD

Google Flights

Returning

Fri, Sep 25, 2026•11 Day Trip

$417 USD

Google Flights

Returning

Sat, Sep 26, 2026•12 Day Trip

$339 USD

Google Flights

Returning

Mon, Sep 28, 2026•14 Day Trip

$417 USD

Google Flights

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

Montréal-Pierre Elliott Trudeau International Airport

Luis Muñoz Marín International Airport

September 2026

Monday, September 14th, 2026