CHI - YUL

$142 Find Cheap Flights from Chicago to Montreal - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Chicago to Montreal departing on 9/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$298
Porter Airlines
Tue 9/8Tue 9/15
MDW - YUL • 1 stop
Cheapest non-stop
$303
Typical prices: $332-$515
Air Canada
Tue 9/8Tue 9/15
ORD - YUL • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts and KAYAK users. AI can make mistakes.
United Economy Plus adds up to 6 extra inches of legroom on Chicago-Montreal flights.
Air Canada Preferred Economy adds up to 4 inches; United also offers Priority Boarding.
Expert advice
Expert advice
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Nonstop flights
You can fly direct with Air Canada, American Airlines and United Airlines. Average duration is 2h 25m
Direct flights
Direct flights
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Direct flights
Direct flights
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Top routes
Cheapest
Most popular
Insights
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Avoid delays
Most punctual • 87% on-time
Best time • Fewest delays
Insights
Insights
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Insights
Top layover airports
Cheapest • Avg $310 (round-trip)
Shortest trip • 4h 24m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 4 weeks in advance save around 56% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 31% price drop
Most popular
Good to know
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We hope you love your trip to Montreal!
Flight Deals
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Expert advice
Flight Deals

Cheap Flights from Chicago to Montreal (CHI-YUL)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Chicago to Montreal that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Chicago to Montreal

Tue, Sep 8 - Tue, Sep 15
Porter Airlines Logo
3:20 pm - 9:12 pm
MDW
-
YUL
4h 52m
1 stop
Porter Airlines Logo
6:30 am - 11:00 am
YUL
-
MDW
5h 30m
1 stop
$298Porter Airlines
Wed, Sep 9 - Wed, Sep 16
Porter Airlines Logo
11:45 am - 6:12 pm
MDW
-
YUL
5h 27m
1 stop
Porter Airlines Logo
6:30 am - 11:00 am
YUL
-
MDW
5h 30m
1 stop
$301Porter Airlines
Wed, Sep 9 - Wed, Sep 16
Air Canada Logo
7:25 am - 1:45 pm
ORD
-
YUL
5h 20m
1 stop
Air Canada Logo
2:30 pm - 8:41 pm
YUL
-
ORD
7h 11m
1 stop
$303Air Canada
Tue, Sep 8 - Tue, Sep 15
Air Canada Logo
3:40 pm - 7:01 pm
ORD
-
YUL
2h 21mnonstop
Air Canada Logo
1:15 pm - 2:52 pm
YUL
-
ORD
2h 37mnonstop
$303Air Canada
Wed, Sep 9 - Wed, Sep 9
Multiple Airlines Logo
7:11 am - 10:40 am
ORD
-
YUL
2h 29mnonstop
Multiple Airlines Logo
2:30 pm - 8:41 pm
YUL
-
ORD
7h 11m
1 stop
$333Multiple Airlines
Sat, Oct 31 - Sat, Oct 31
United Airlines Logo
7:00 am - 1:28 pm
ORD
-
YUL
5h 28m
1 stop
United Airlines Logo
4:45 pm - 6:27 pm
YUL
-
ORD
2h 42mnonstop
$338United Airlines
Tue, Sep 8 - Tue, Sep 15
Delta Logo
7:05 am - 4:19 pm
ORD
-
YUL
8h 14m
1 stop
Delta Logo
9:30 am - 4:30 pm
YUL
-
ORD
8h 00m
1 stop
$339Delta
Wed, Aug 12 - Wed, Aug 19
Delta Logo
1:59 pm - 11:30 pm
ORD
-
YUL
8h 31m
1 stop
Delta Logo
2:29 pm - 7:12 pm
YUL
-
ORD
5h 43m
1 stop
$339Delta
Wed, Sep 9 - Wed, Sep 9
Multiple Airlines Logo
7:05 am - 1:09 pm
ORD
-
YUL
5h 04m
1 stop
Multiple Airlines Logo
4:30 pm - 8:41 pm
YUL
-
ORD
5h 11m
1 stop
$343Multiple Airlines
Wed, Aug 19 - Wed, Sep 2
United Airlines Logo
7:11 am - 10:40 am
ORD
-
YUL
2h 29mnonstop
United Airlines Logo
4:55 pm - 6:43 pm
YUL
-
ORD
2h 48mnonstop
$357United Airlines
Booking Insights

KAYAK's insights & trends for Chicago to Montreal flights

Get data-powered insights and trends into flights from Chicago to Montreal to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Chicago to Montreal Pierre Elliott Trudeau Intl Airport?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Chicago to Montreal Pierre Elliott Trudeau Intl Airport departing in September.

Flight prices are below average for this route right now.

Flights to Montreal Pierre Elliott Trudeau Intl Airport from Chicago usually cost between $330 and $552 in September.
The lowest price found in the past 5 days was $298 on Porter Airlines (Sep 8-Sep 15).

What is the cheapest Chicago to Montreal Pierre Elliott Trudeau Intl Airport flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest return flight from Chicago to Montreal Pierre Elliott Trudeau Intl Airport costs $206 on the route between Chicago O'Hare Intl Airport (ORD) and Montreal Pierre Elliott Trudeau Intl Airport (YUL). It is also the most popular route.

What’s the cheapest day of the week to fly from Chicago to Montreal?

The average price of all round-trip flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport clicked on KAYAK for each day over the last 12 months.

When flying from Chicago to Montreal, you should consider leaving on a Thursday and avoid Sundays if you are looking for the best rates. For your return to Chicago, you’ll find the best rates on Thursdays and the most expensive ones on Mondays.

What is the cheapest month to fly from Chicago to Montreal Pierre Elliott Trudeau Intl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport is February, where tickets cost $266 (return) on average. On the other hand, the most expensive months are January and December, where the average cost of round-trip tickets is $493 and $465 respectively.

Can I save money by flying with a layover from Chicago to Montreal Pierre Elliott Trudeau Intl Airport?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $398, prices are generally cheapest when you fly direct.

How far in advance should I book a flight from Chicago to Montreal Pierre Elliott Trudeau Intl Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Chicago to Montreal Pierre Elliott Trudeau Intl Airport, you should book around 4 weeks before departure, which saves you about 56% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 23 weeks before departure.

Expert advice

Expert advice for your flight from Chicago to Montreal

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Air Canada, United Airlines and ORD

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Brandon Schultz

Brandon Schultz

Expert on YUL

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Good to know

Low season

February

Cheapest flight

$142
Best time to beat the crowds with an average 25% drop in price.
Most popular time to fly and prices are also 2% lower on average.
Flight from Chicago Midway Airport to Montreal

When to book flights from Chicago to Montreal

Are your dates flexible? Find out the best times to travel from Chicago to Montreal based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Flights from Chicago to Montreal: the best tips from KAYAK users' own experiences

Insights shared by verified travelers who flew the route from Chicago to Montreal 
ScottFlew with Air Canada
ORD
-
YUL
Jun 2026
Make sure you have enough time between connecting flights so ½ of your baggage doesn't miss the flight and take another 24hrs to show up
valerieFlew with Air Canada
ORD
-
YUL
Jan 2025
“Meal” usually means more than a light snack. I thought what they served was an appetizer not the total meal. So I’d eat before or bring food.

FAQs for booking Chicago to Montreal flights

  • What are the transport options from Montreal Pierre Elliott Trudeau International Airport (YUL)?

    For travelers looking to save a little money when making this trip, a good choice is to take the STM 747 Express bus, which makes the journey in around 20min to the Berri UQAM Station at the corner of Sainte-Catherine and Berri in downtown Montreal. There are also plenty of taxis available at the airport that can make this trip in around 20min. If you want more luxury, you can take a limousine from the airport. Orleans Express and Aeronavette also operate regional buses from YUL.

  • Are there any airport hotels at Montreal Pierre Elliott Trudeau International Airport?

    There are a couple of choices for hotels that sit right at the entrance to the airport, and they include the Sheraton Montreal Airport Hotel and the Aloft Montreal, both of which offer shuttle services to and from the airport.

  • Where are the car rental providers at Montreal Pierre Elliott Trudeau International Airport?

    There are several major rental car companies that offer service at this airport, and each has a customer service counter right in the terminal building adjacent to the baggage claim area. The rental car companies offer shuttles to take you to the rental lots that sit adjacent to the airport property.

  • Where can I meet my Uber at Montreal Pierre Elliott Trudeau International Airport?

    All of the rideshare companies have a pickup location at either door number seven of the departures level or door number 20 of the arrivals level at the airport.

  • What is the cheapest flight from Chicago to Montreal Pierre Elliott Trudeau Intl Airport?

    In the last 5 days, the lowest price for a flight from Chicago to Montreal Pierre Elliott Trudeau Intl Airport was $142 for a one-way ticket and $298 for a round-trip.

  • Do I need a passport to fly between Chicago and Montreal?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Chicago and on arrival in Montreal.

  • Which airports will I be using when flying from Chicago to Montreal?

    Chicago is served by 2 major airports and there is only 1 main airport in Montreal. You will leave Chicago from one of these airports: Chicago Midway or Chicago O'Hare Intl. You will be arriving at Montreal Pierre Elliott Trudeau Intl.

  • Which airlines offer Wi-Fi service onboard planes from Chicago to Montreal?

    All the following airlines offer inflight Wi-Fi service on the Chicago to Montreal flight route: Air Canada, American Airlines, United Airlines, Porter Airlines, Finnair, British Airways, and Iberia.

  • Which aircraft models fly most regularly from Chicago to Montreal?

    The Embraer 175 is the aircraft model that flies most regularly on the Chicago to Montreal flight route.

  • Which airline alliances offer flights from Chicago to Montreal?

    SkyTeam, oneworld, and Star Alliance are the airline alliances operating flights between Chicago and Montreal, with SkyTeam being the most commonly used for this route.

  • On which days can I fly direct from Chicago to Montreal?

    There are nonstop flights from Chicago to Montreal on a daily basis.

  • Which is the best airline for flights from Chicago to Montreal, Porter Airlines or Delta?

    The two airlines most popular with KAYAK users for flights from Chicago to Montreal are Porter Airlines and Delta. With an average price for the route of $313 and an overall rating of 8.0, Porter Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $414 and an overall rating of 7.8.

  • How does KAYAK find such low prices on flights from Chicago to Montreal?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Chicago to Montreal.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Chicago to Montreal?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Montreal from Chicago is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Chicago to Montreal?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Montreal with an airline and back to Chicago with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Chicago to Montreal?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Montreal from Chicago up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Chicago to Montreal Pierre Elliott Trudeau Intl Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for $182 or less one-way and $330 or less round-trip.
  • For any traveler that will be departing on the flight to Montreal from Chicago O'Hare International Airport (ORD) looking to find a way to the airport, the Chicago Transit Authority Blue Line train can make this journey in around 42 minutes. Another good choice is to travel on the bus route offered by Peoria Charter Coach Company, that travels from Union Station in downtown Chicago to the airport in about 35 minutes.
  • If your flight to Montreal will be leaving from Chicago Midway Airport (MDW) and you want a public transportation option to take you to the airport, the Chicago Transit Authority Orange Line train makes the trip in around 23 minutes.
  • For passengers departing Chicago O'Hare International Airport looking for a comfortable place to wait for their flight, this airport offers airline lounges from United Airlines, American Airlines, and British Airways that all offer comfortable seating and plenty of food and beverage choices.
  • If you're taking your kids to Montreal through Chicago O'Hare International Airport, this airport offers a family lounge in Terminal 2 at the airport. The lounge offers plenty of space for kids to play and include things like comfortable seating and charging stations for parents.
  • For nursing mothers departing from the Chicago Midway Airport, the airport offers a mother's room in the C Concourse at the airport which features ample seating as well as a sink and a washing area. Mothers will also find a lactation pod near gate A5 in the A concourse.

Prefer to fly direct from Chicago to Montreal?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Chicago to Montreal Pierre Elliott Trudeau Intl.
Find which airlines fly direct from Chicago to Montreal Pierre Elliott Trudeau Intl Airport, which days they fly and book direct flights.

Direct departures

Chicago to Montreal Pierre Elliott Trudeau Intl

Monday

Air Canada,American Airlines,United Airlines

Air Canada,American Airlines, +1 more

Tuesday

Air Canada,American Airlines,United Airlines

Air Canada,American Airlines, +1 more

Wednesday

Air Canada,American Airlines,United Airlines

Air Canada,American Airlines, +1 more

Thursday

Air Canada,American Airlines,United Airlines

Air Canada,American Airlines, +1 more

Friday

Air Canada,American Airlines,United Airlines

Air Canada,American Airlines, +1 more

Saturday

Air Canada,American Airlines,United Airlines

Air Canada,American Airlines, +1 more

Sunday

Air Canada,American Airlines,United Airlines

Air Canada,American Airlines, +1 more

See more direct flights

Direct returns

Montreal Pierre Elliott Trudeau Intl to Chicago

Monday

Air Canada,American Airlines,United Airlines

Air Canada,American Airlines, +1 more

Tuesday

Air Canada,American Airlines,United Airlines

Air Canada,American Airlines, +1 more

Wednesday

Air Canada,American Airlines,United Airlines

Air Canada,American Airlines, +1 more

Thursday

Air Canada,American Airlines,United Airlines

Air Canada,American Airlines, +1 more

Friday

Air Canada,American Airlines,United Airlines

Air Canada,American Airlines, +1 more

Saturday

Air Canada,American Airlines,United Airlines

Air Canada,American Airlines, +1 more

Sunday

Air Canada,American Airlines,United Airlines

Air Canada,American Airlines, +1 more

See more direct flights

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

Information on your arrival and departure airports