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

September 2025

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1$289 2$289 3$203 4$289 5$289 6$203 7$203 8$289 9$203 10$203 11$299 12$299 13$203 14$203 15$289 16$203 17$203 18$348 19$203 20$203 21$289 22$214 23$203 24$213 25$299 26$316 27$289 28$203 29$289 30$371 1$391 2$400 3$398 4$356 5$289

Rare Availability

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

Tuesday, September 30th, 2025

10 round-trip options

Returning

Sun, Oct 5, 2025•5 Day Trip

$375 USD

Google Flights

Returning

Mon, Oct 6, 2025•6 Day Trip

$420 USD

Google Flights

Returning

Tue, Oct 7, 2025•7 Day Trip

$390 USD

Google Flights

Returning

Wed, Oct 8, 2025•8 Day Trip

$371 USD

Google Flights

Returning

Thu, Oct 9, 2025•9 Day Trip

$477 USD

Google Flights

Returning

Fri, Oct 10, 2025•10 Day Trip

$477 USD

Google Flights

Returning

Sat, Oct 11, 2025•11 Day Trip

$390 USD

Google Flights

Returning

Sun, Oct 12, 2025•12 Day Trip

$390 USD

Google Flights

Returning

Mon, Oct 13, 2025•13 Day Trip

$448 USD

Google Flights

Returning

Tue, Oct 14, 2025•14 Day Trip

$371 USD

Google Flights