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Flights from Chicago to Montreal

Hi, I've summed up all the key info for Chicago to Montreal flights

Cheapest one-way

$ 121
Porter Airlines Wed, Oct 7

49% below next 30d avg. ($236)

Cheapest round-trip

$ 282
Air Canada Fri, Oct 9

34% below next 30d avg. ($430)

Fastest flight

2h 5m16m faster than avg. (2h 21m)

Recommended airlines

When to travel

AugustCheapest month
JulyPeak month

With a lowest one-way fare of $121 , travelers can expect an average price of $236 for upcoming trips, while round-trip tickets start at $282 . Flights typically take around 2h 21m , but the fastest nonstop option completes the journey in just 2h 5m minutes. There are 64 flights weekly on this route. You can arrive at any of the following airports in Montreal: Montréal-Pierre Elliott Trudeau International Airport (YUL) , Montreal Metropolitan Airport (YHU) , and Montréal-Mirabel International Airport (YMX) . Flights from O'Hare International Airport to Montréal-Pierre Elliott Trudeau International Airport (ORD-YUL) are by far the most popular option for this route. To secure the best rates, booking 40 days in advance is recommended, and the cheapest travel days are Tuesday, Wednesday, and Saturday .

Updated 7h ago · This content is an AI-powered summary based on Trip.com data. Prices and availability are subject to change. Please refer to actual prices, availability, and travel conditions.

Explore the cheapest one-way and round-trip flights from Chicago to Montreal over the next 90 days, with one-way fares from $121 and round-trip from $282. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        ORD 8:45 AM
        2h 15m
        Nonstop
        YUL 12:00 PM
        Chicago - Montreal | Fri, Oct 16 | Air Canada
        YUL 8:35 AM
        2h 37m
        Nonstop
        ORD 10:12 AM
        Montreal - Chicago | Mon, Oct 19 | Air Canada
        $289 $329
        12% off
        12% off
        $329 $289
      • ORD 11:05 AM
        2h 15m
        Nonstop
        YUL 2:20 PM
        Chicago - Montreal | Wed, Sep 16 | Air Canada
        YUL 1:15 PM
        2h 37m
        Nonstop
        ORD 2:52 PM
        Montreal - Chicago | Sun, Sep 20 | Air Canada
        $299 $329
        9% off
        9% off
        $329 $299
      • ORD 2:00 PM
        6h 45m
        1 stop
        YUL 9:45 PM
        Chicago - Montreal | Fri, Oct 9 | Air Canada
        YUL 6:30 PM
        2h 42m
        Nonstop
        ORD 8:12 PM
        Montreal - Chicago | Tue, Oct 13 | Air Canada
        $282 $329
        14% off
        14% off
        $329 $282
      • MDW 3:20 PM
        4h 52m
        1 stop
        YUL 9:12 PM
        Chicago - Montreal | Wed, Sep 16 | Porter Airlines
        YUL 10:35 AM
        5h
        1 stop
        MDW 2:35 PM
        Montreal - Chicago | Sun, Sep 20 | Porter Airlines
        $288
        12% off
        $329 $288
      • MDW 11:45 AM
        5h 27m
        1 stop
        YUL 6:12 PM
        Chicago - Montreal | Fri, Oct 2 | Porter Airlines
        YUL 9:30 AM
        4h 53m
        1 stop
        ORD 1:23 PM
        Montreal - Chicago | Sun, Oct 4 | Air Canada
        $290
        12% off
        $329 $290
      • ORD 2:00 PM
        4h 45m
        1 stop
        YUL 7:45 PM
        Chicago - Montreal | Fri, Oct 2 | Air Canada
        YUL 9:10 AM
        5h 13m
        1 stop
        ORD 1:23 PM
        Montreal - Chicago | Sun, Oct 4 | Air Canada
        $290
        12% off
        $329 $290
      • ORD 8:45 AM
        5h 40m
        1 stop
        YUL 3:25 PM
        Chicago - Montreal | Sat, Nov 14 | Air Canada
        YUL 11:10 AM
        5h 28m
        1 stop
        ORD 3:38 PM
        Montreal - Chicago | Sat, Nov 21 | Air Canada
        $291
        12% off
        $329 $291
      • ORD 7:25 AM
        5h 20m
        1 stop
        YUL 1:45 PM
        Chicago - Montreal | Wed, Sep 16 | Air Canada
        YUL 10:35 AM
        5h
        1 stop
        MDW 2:35 PM
        Montreal - Chicago | Sun, Sep 20 | Porter Airlines
        $292
        11% off
        $329 $292
      • MDW 3:20 PM
        4h 52m
        1 stop
        YUL 9:12 PM
        Chicago - Montreal | Fri, Oct 23 | Porter Airlines
        YUL 10:10 AM
        6h 28m
        1 stop
        ORD 3:38 PM
        Montreal - Chicago | Mon, Oct 26 | Air Canada
        $293
        11% off
        $329 $293
      • MDW 3:20 PM
        4h 52m
        1 stop
        YUL 9:12 PM
        Chicago - Montreal | Fri, Oct 9 | Porter Airlines
        YUL 8:35 AM
        2h 37m
        Nonstop
        ORD 10:12 AM
        Montreal - Chicago | Sun, Oct 11 | Air Canada
        $295
        10% off
        $329 $295
      • MDW 11:45 AM
        5h 27m
        1 stop
        YUL 6:12 PM
        Chicago - Montreal | Sat, Oct 10 | Porter Airlines
        YUL 6:30 PM
        2h 42m
        Nonstop
        ORD 8:12 PM
        Montreal - Chicago | Thu, Oct 15 | Air Canada
        $295
        10% off
        $329 $295
      • ORD 12:20 PM
        5h 45m
        1 stop
        YUL 7:05 PM
        Chicago - Montreal | Mon, Nov 2 | Porter Airlines
        YUL 6:10 PM
        2h 42m
        Nonstop
        ORD 7:52 PM
        Montreal - Chicago | Fri, Nov 6 | Air Canada
        $298
        9% off
        $329 $298
      • CHI 1:00 PM
        17h 25m
        1 stop
        YMQ 2:00 PM
        Chicago - Montreal | Thu, Sep 17 | Normal Airline
        YMQ 3:00 PM
        6h
        Nonstop
        CHI 4:00 PM
        Montreal - Chicago | Sat, Sep 19 | Normal Airline
        Find more flights
        Find more flights
      • Cheapest nonstop
        ORD 11:05 AM
        2h 15m
        Nonstop
        YUL 2:20 PM
        Chicago - Montreal | Wed, Oct 7 | Air Canada
        $131 $144
        9% off
        9% off
        $144 $131
      • ORD 3:55 PM
        2h 5m
        Nonstop
        YUL 7:00 PM
        Chicago - Montreal | Sun, Oct 25 | Air Canada
        $131 $144
        9% off
        9% off
        $144 $131
      • MDW 3:20 PM
        4h 52m
        1 stop
        YUL 9:12 PM
        Chicago - Montreal | Wed, Oct 7 | Porter Airlines
        $121 $144
        16% off
        16% off
        $144 $121
      • MDW 11:45 AM
        5h 27m
        1 stop
        YUL 6:12 PM
        Chicago - Montreal | Mon, Sep 28 | Porter Airlines
        $124
        14% off
        $144 $124
      • MDW 3:20 PM
        4h 52m
        1 stop
        YUL 9:12 PM
        Chicago - Montreal | Wed, Sep 30 | Porter Airlines
        $125
        13% off
        $144 $125
      • MDW 11:45 AM
        5h 27m
        1 stop
        YUL 6:12 PM
        Chicago - Montreal | Sun, Sep 27 | Porter Airlines
        $125
        13% off
        $144 $125
      • MDW 11:45 AM
        5h 27m
        1 stop
        YUL 6:12 PM
        Chicago - Montreal | Fri, Oct 2 | Porter Airlines
        $125
        13% off
        $144 $125
      • ORD 2:00 PM
        6h 45m
        1 stop
        YUL 9:45 PM
        Chicago - Montreal | Fri, Oct 2 | Air Canada
        $125
        13% off
        $144 $125
      • MDW 3:20 PM
        4h 52m
        1 stop
        YUL 9:12 PM
        Chicago - Montreal | Wed, Oct 21 | Porter Airlines
        $125
        13% off
        $144 $125
      • ORD 2:00 PM
        6h 45m
        1 stop
        YUL 9:45 PM
        Chicago - Montreal | Wed, Oct 21 | Air Canada
        $126
        13% off
        $144 $126
      • ORD 1:55 PM
        6h 50m
        1 stop
        YUL 9:45 PM
        Chicago - Montreal | Fri, Oct 30 | Air Canada
        $126
        13% off
        $144 $126
      • ORD 2:00 PM
        6h 45m
        1 stop
        YUL 9:45 PM
        Chicago - Montreal | Wed, Oct 14 | Air Canada
        $127
        12% off
        $144 $127
      • CHI 1:00 PM
        17h 25m
        1 stop
        YMQ 2:00 PM
        Chicago - Montreal | Thu, Sep 17 | Normal Airline
        Find more flights
        Find more flights

Flight.News
Flights from Chicago to Montreal operate an average of 31 times per day over the past 7 days, with a 8.7% on-time departure rate and a 84.2% on-time arrival rate.

Which airlines are the most popular for Chicago to Montreal flights?

The most popular airlines flying from Chicago to Montreal are Air Canada, American Airlines, and United Airlines, among 5 carriers on this route. Porter Airlines offers the lowest fares. Based on Trip.com's flight booking data from the previous 12 months.
Air Canada logo Air Canada
American Airlines logo American Airlines
United Airlines logo United Airlines
Porter Airlines logo Porter Airlines
Delta Air Lines logo Delta Air Lines
Airlines are determined based on actual purchased flight tickets from Chicago to Montreal according to previous 12 months data from Trip.com.

Trip.com price insights on flights from Chicago to Montreal

Which month has the cheapest one-way flights from Chicago to Montreal?

The average price of one-way flights from Chicago to Montreal purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Chicago to Montreal is February, with an average price of $130; while the month with the highest flight price is usually May, with an average price of up to $297.

$297
$214
$130
$47
    Cheapest
  • $208
    Sep
  • $188
    Oct
  • $227
    Nov
  • $238
    Dec
  • $184
    Jan
  • $130
    Feb
  • $293
    Mar
  • $238
    Apr
  • $297
    May
  • $252
    Jun
  • $246
    Jul
  • $199
    Aug

When is the cheapest day to fly from Chicago to Montreal during Columbus Day?

Data is based on the lowest one-way price from Chicago to Montreal during Columbus Day on Trip.com in the past 3 days.

Columbus Day is scheduled for Oct 12. The cheapest flights from Chicago to Montreal are available on Oct 10, with fares starting at $131.

$202
$167
$131
$96
    Cheapest
  • $202
    8
    Oct
  • $169
    9
  • $131
    10
  • $131
    11
  • $168
    12
  • $131
    13
  • $132
    14

Frequently Asked Questions

  • What are the cheapest flights from Chicago to Montreal (CHI-YMQ)?

    Based on Trip.com data, Porter Airlines offers one-way fares as low as $121 on Cheapest nonstop routes (e.g. MDW to YUL on Wed, Oct 7), while Air Canada offers Cheapest nonstop round-trips from $282 departing on Fri, Oct 9 and returning on Tue, Oct 13.
  • At the moment, you can catch a nonstop flight from Chicago to Montreal with the following airlines, including: Air Canada American Airlines United Airlines Porter Airlines Delta Air Lines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 2 hours 21 minutes to fly from Chicago (CHI) to Montreal (YMQ).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Chicago to Montreal is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 64 flight per week flying from Chicago to Montreal. You can check the weekly schedule for popular airlines on this route below: United Airlines: S/M/T/W/T/F/S -- UA8452 (09:20) American Airlines: S/M/T/W/T/F/S -- AA3600 (08:49)
  • To find best deals on flights from Chicago to Montreal, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Oct 7, with one-way flights priced at just $121.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Air Canada.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Montreal travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Chicago to Montreal is August, when demand for travel is lower.
  • After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Chicago to Montreal on September 15, 2026 with Air Canada, with prices starting at $231.
  • You can arrive at any of the following airports in Montreal: Montréal-Pierre Elliott Trudeau International Airport (YUL), Montreal Metropolitan Airport (YHU), and Montréal-Mirabel International Airport (YMX). Flights from O'Hare International Airport to Montréal-Pierre Elliott Trudeau International Airport (ORD-YUL) are by far the most popular option for this route.
  • The time difference between Montreal and Chicago is 1h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Chicago to Montreal is $236. Fares vary by travel date, airline and availability.
  • Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Chicago to Montreal is $430. The final price depends on the outbound and return dates, airline and fare conditions.
  • Enter Chicago and Montreal, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.
  • Porter Airlinesare the most popular budget airlines flying from Chicago to Montreal. Check baggage, seat and payment fees before comparing the final price.

Explore More Popular Flights

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.