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$118+ Cheap flights from Chicago (CHI) to Montreal (YMQ)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — YMQ
Apr 27 — May 41
Sun 4/27
Sun 5/4
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Montreal are usually found in October or September, booked 85 days in advance, depart on a Thursday or Friday and return on a Thursday

Cheap flight deals from Chicago to Montreal

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Montreal (YMQ). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$238
(Trip.com)

One-way from

$118
(Air Canada)

Popular in

December

Cheapest in

October

Average price

$358

Good round-trip deal

$482 or less

Good one-way deal

$171 or less
Provider with most accurate pricing for Chicago (CHI)-Montreal (YMQ) flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Montreal (YMQ) flights.
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From Chicago (CHI) to Montreal (YMQ)
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One-way flight from Chicago (CHI) to Montreal (YMQ)
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Highest demand for flights based on searches. 2% potential increase in price ($11 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Chicago (CHI) to Montreal (YMQ).
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Price to beat on a one-way flight from Chicago (CHI) to Montreal (YMQ).
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Find flight deals from Chicago to Montreal

Cheapest flights from Chicago to Montreal
Explore the most affordable flight options available from Chicago to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

This Flightnetwork deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/32:16 pmORD - YUL
1 stop6h 25mAir Canada
Wed 6/48:15 amYUL - ORD
1 stop4h 41mAir Canada
Deal found 4/22$238
This FlightHub deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/169:40 amMDW - YUL
1 stop5h 20mPorter Airlines
Tue 7/221:10 pmYUL - MDW
1 stop4h 14mPorter Airlines
Deal found 4/21$241
This Kiwi.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/289:40 amMDW - YUL
1 stop5h 20mMultiple Airlines
Fri 5/306:45 amYUL - MDW
1 stop11h 09mMultiple Airlines
Deal found 4/21$251
This Delta deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/412:48 pmMDW - YUL
1 stop10h 06mDelta
Wed 6/1112:45 pmYUL - MDW
1 stop10h 00mDelta
Deal found 4/21$268
This Delta deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/215:45 pmORD - YUL
1 stop4h 24mDelta
Mon 7/286:15 pmYUL - ORD
1 stop6h 40mDelta
Deal found 4/22$268
This American Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/217:19 amORD - YUL
1 stop8h 36mAmerican Airlines
Wed 5/2812:30 pmYUL - ORD
Nonstop2h 35mAmerican Airlines
Deal found 4/21$284
This United deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/299:45 pmORD - YUL
1 stop10h 38mMultiple Airlines
Sun 6/18:00 amYUL - ORD
1 stop5h 55mMultiple Airlines
Deal found 4/21$296
This Kissandfly.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/297:19 amORD - YUL
Nonstop2h 21mLufthansa
Sun 6/16:15 amYUL - ORD
Nonstop2h 44mLufthansa
Deal found 4/21$303
This United Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/293:35 pmORD - YUL
Nonstop2h 15mUnited Airlines
Mon 9/11:15 pmYUL - ORD
Nonstop2h 36mUnited Airlines
Deal found 4/21$353
This Jettzy deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/51:05 pmMDW - YUL
2 stops10h 32mWestJet
Thu 6/126:20 amYUL - MDW
1 stop12h 20mWestJet
Deal found 4/21$376
This Justfly.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/135:59 pmORD - YUL
1 stop18h 42mWestJet
Tue 6/247:00 amYUL - ORD
1 stop8h 30mWestJet
Deal found 4/21$399

Cheapflights Fare Finder

Customize your flight search to find flights from Chicago to Montreal that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 22, 2025.
Use the filters below to find and compare flights from Chicago to Montreal that are best for you.

Fly from

Chicago

Fly to

Montreal

Route

Depart

Return

Price

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Tue 6/3

2:16 pm-9:41 pm

1 stop6h 25m

Montreal Pierre Elliott Trudeau Intl

Wed 6/4

8:15 am-11:56 am

1 stop4h 41m

$238

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Wed 7/16

9:40 am-4:00 pm

1 stop5h 20m

Montreal Pierre Elliott Trudeau Intl

Tue 7/22

1:10 pm-4:24 pm

1 stop4h 14m

$241

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Wed 5/28

9:40 am-4:00 pm

1 stop5h 20m

Montreal Pierre Elliott Trudeau Intl

Fri 5/30

6:45 am-4:54 pm

1 stop11h 09m

$251

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Wed 6/4

12:48 pm-11:54 pm

1 stop10h 06m

Montreal Pierre Elliott Trudeau Intl

Wed 6/11

12:45 pm-9:45 pm

1 stop10h 00m

$268

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Mon 7/21

5:45 pm-11:09 pm

1 stop4h 24m

Montreal Pierre Elliott Trudeau Intl

Mon 7/28

6:15 pm-11:55 pm

1 stop6h 40m

$268

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Wed 5/21

7:19 am-4:55 pm

1 stop8h 36m

Montreal Pierre Elliott Trudeau Intl

Wed 5/28

12:30 pm-2:05 pm

Nonstop2h 35m

$284

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 5/29

9:45 pm-9:23 am

1 stop10h 38m

Montreal Pierre Elliott Trudeau Intl

Sun 6/1

8:00 am-12:55 pm

1 stop5h 55m

$296

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 5/29

7:19 am-10:40 am

Nonstop2h 21m

Montreal Pierre Elliott Trudeau Intl

Sun 6/1

6:15 am-7:59 am

Nonstop2h 44m

$303

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Fri 8/29

3:35 pm-6:50 pm

Nonstop2h 15m

Montreal Pierre Elliott Trudeau Intl

Mon 9/1

1:15 pm-2:51 pm

Nonstop2h 36m

$353

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Thu 6/5

1:05 pm-12:37 am

2 stops10h 32m

Montreal Pierre Elliott Trudeau Intl

Thu 6/12

6:20 am-5:40 pm

1 stop12h 20m

$376

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 22 results
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Compare providers for flights from Chicago to Montreal

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Montreal in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago-Montreal flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Montreal flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Montreal flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Montreal flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Montreal flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Chicago to Montreal

Have a flexible travel schedule? Discover the best time to fly to Montreal from Chicago with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Montreal

How far ahead should I book a flight from Chicago to Montreal?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Montreal. Price data was last updated on April 18, 2025.

The price you pay for your flight from Chicago to Montreal may vary depending on when you book. For the best chance of a lower fare, look to book 85 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Chicago to Montreal?

Currently, January is the cheapest month in which you can book a flight from Chicago to Montreal (average of $270). Flying from Chicago to Montreal in July is currently the most expensive (average of $409). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CHI to YMQ?

Find hourly flight availability from Chicago to Montreal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 22, 2025.

One of the essential ways to save on airfare from Chicago to Montreal is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 64% on airfare.

Weekly flight availability from Chicago to Montreal

Explore weekly flight availability from Chicago to Montreal. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 22, 2025.

The most flights from CHI to YMQ are scheduled on a Monday (23 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 on average).

Rainfall in Montreal by month

Plan your trip to Montreal by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Montreal ranges from 2.5 - 4.4 inches per month. August is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Montreal when rainfall is around 2.5 in.

Temperature in Montreal by month

Plan your trip to Montreal by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Montreal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

Reviews of airlines servicing Montreal

Get insights into the airlines that provide service to Montreal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Montreal. Reviews last updated April 22, 2025.
To help decide which airline to fly from Chicago to Montreal, see what other customers have to say about Porter Airlines, Delta and Air Transat. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
284 reviews

Food

7.6

Comfort

8.1

Crew

8.8

Boarding

8.2

Entertainment

7.0

Overall

8.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
Porter Airlines
8.0
Very good
284 reviews
Porter Airlines
8.0
Very good
284 reviews

Food

7.6

Comfort

8.1

Crew

8.8

Boarding

8.2

Entertainment

7.0

Overall

8.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
Delta
8.0
Very good
7,920 reviews
Porter Airlines
8.0
Very good
284 reviews

Food

7.6

Comfort

8.1

Crew

8.8

Boarding

8.2

Entertainment

7.0

Overall

8.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
Air Transat
7.8
Good
385 reviews
Porter Airlines
8.0
Very good
284 reviews

Food

7.6

Comfort

8.1

Crew

8.8

Boarding

8.2

Entertainment

7.0

Overall

8.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
United Airlines
7.4
Good
8,683 reviews
Porter Airlines
8.0
Very good
284 reviews

Food

7.6

Comfort

8.1

Crew

8.8

Boarding

8.2

Entertainment

7.0

Overall

8.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very good
284 reviews

Food

7.6

Comfort

8.1

Crew

8.8

Boarding

8.2

Entertainment

7.0

Overall

8.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

Related info for your journey

Find useful and relevant information for your journey from Chicago to Montreal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Chicago to Montreal round-trip?

    Currently priced at $238, Porter Airlines will fly you from Chicago to Montreal and back. In addition to Porter Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and Delta - these airlines can fly you to your destination from $238 and $268, respectively. Porter Airlines is 39% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Chicago to Montreal one-way?

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $118. Users have also found prices from $125 and $136 on Delta and United Airlines, respectively.

  • What are the most reliable airlines from Chicago to Montreal?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Chicago to Montreal on time: Avianca (91%), Copa Airlines (88%), Air New Zealand (88%).

  • What are the cheapest flights from Chicago to Montreal?

    While on average a flight from Chicago to Montreal is generally $948, our data shows the cheapest flight currently is $95. When looking at the most popular route, (Chicago O'Hare Intl - Montreal Pierre Elliott Trudeau Intl), you can expect to pay $233 for that flight.

  • Can I find deals for flights from Chicago to Montreal that include hotel bookings?

    Yes. In addition to deals on Chicago to Montreal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Montreal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Montreal.

  • Can I find deals for business class flights from Chicago to Montreal?

    Yes. Cheapflights offers flight deals from Chicago to Montreal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago to Montreal?

    Currently, January is the cheapest month in which you can book a flight from Chicago to Montreal (average of $270). Flying from Chicago to Montreal in July is currently the most expensive (average of $409). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Chicago to Montreal

Discover the top 4 airlines that operate flights from Chicago to Montreal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$169Average$432FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$186Average$415FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$215Average$391FlexibilityNo cancel feeOn-time69%
Porter AirlinesCheapest$249Average$381FlexibilityNo cancel feeOn-time52%

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