Chicago (ORD) to Montreal (YUL) cheap flight deal from $188 USD in economy class

AAAmerican Airlines

Round Trip•Economy

ORD

O'Hare International Airport

Chicago, United States

YUL

Montréal-Pierre Elliott Trudeau International Airport

Montreal, Canada

$383 USD

-51%$188 USD

Verified about 23 hours ago

October 2025

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29$289 30$371 1$391 2$400 3$398 4$356 5$289 6$371 7$314 8$304 9$341 10$334 11$334 12$304 13$373 14$299 15$299 16$348 17$289 18$196 19$351 20$282 21$291 22$205 23$291 24$282 25$196 26$308 27$196 28$196 29$205 30$205 31$196 1$188 2$188

Rare Availability

9% of dates checked are available within 10% of the lowest price

Tuesday, October 14th, 2025

10 round-trip options

Returning

Sun, Oct 19, 2025•5 Day Trip

$528 USD

Google Flights

Returning

Mon, Oct 20, 2025•6 Day Trip

$546 USD

Google Flights

Returning

Tue, Oct 21, 2025•7 Day Trip

$532 USD

Google Flights

Returning

Wed, Oct 22, 2025•8 Day Trip

$502 USD

Google Flights

Returning

Thu, Oct 23, 2025•9 Day Trip

$458 USD

Google Flights

Returning

Fri, Oct 24, 2025•10 Day Trip

$385 USD

Google Flights

Returning

Sat, Oct 25, 2025•11 Day Trip

$385 USD

Google Flights

Returning

Sun, Oct 26, 2025•12 Day Trip

$412 USD

Google Flights

Returning

Mon, Oct 27, 2025•13 Day Trip

$400 USD

Google Flights

Returning

Tue, Oct 28, 2025•14 Day Trip

$299 USD

Google Flights