How long is the flight from Chicago O'Hare Intl Airport to Montreal?

There are many flights that can get you from Chicago O'Hare Intl Airport to Montreal in 4h 20m. Fly via Delta to get the fastest option. The distance between Chicago O'Hare Intl Airport and Montreal is about 745 mi.

What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Montreal round-trip?

Flying on Air Canada is currently your cheapest option to Montreal, with prices starting at $164. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $192 and $256, respectively. You may be able to fly from Chicago O'Hare Intl Airport to Montreal for 58% less than the average price by searching for these airlines.

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.

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).

What are the cheapest flights from Chicago O'Hare Intl Airport to Montreal?

While on average a flight from Chicago O'Hare Intl Airport to Montreal is generally $855, our data shows the cheapest flight currently is $131. When looking at the most popular route, (Chicago O'Hare Intl - Montreal Pierre Elliott Trudeau Intl), you can expect to pay $169 for that flight.

What are the most reliable airlines from Chicago O'Hare Intl Airport to Montreal?

Before booking your flight to Montreal from Chicago O'Hare Intl Airport, check out the most reliable airlines to get you to your destination on time: Alaska Airlines (88%), Republic Airways (88%), American Airlines( 85%).

What are the most popular airlines that fly from Chicago O'Hare Intl Airport to Montreal?

Before booking your flight from Chicago O'Hare Intl Airport to Montreal check out the most popular airlines for this route: Air Canada, United Airlines or American Airlines.

Most accurate provider : When it comes to deals on Chicago O'Hare Intl Airport-Montreal flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chicago O'Hare Intl Airport-Montreal flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Montreal flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Chicago O'Hare Intl Airport-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 O'Hare Intl Airport-Montreal flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from O'Hare Intl to Montreal that include hotel bookings?

Yes. In addition to deals on O'Hare Intl to Montreal flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from O'Hare Intl to Montreal?

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

Can I find deals for business class flights from O'Hare Intl to Montreal?

Yes. Cheapflights offers flight deals from O'Hare Intl 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.

$137+ Cheap Flights from Chicago O'Hare Intl Airport to Montreal

Q: How much does it cost to fly round-trip from Chicago O'Hare Intl Airport to Montreal?

Airfare is typical for this route at the moment. Chicago O'Hare Intl Airport to Montreal flights typically cost between $181 and $439 in January. The cheapest round-trip price found within the last 3 days was $212 on American Airlines (Jan 16-Jan 18).

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from O'Hare Intl to Montreal with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Chicago O'Hare Intl to Montreal are usually found in September or October, booked 77 days in advance, depart on a Thursday or Monday and return on a Friday

Cheap flight deals from O'Hare Intl to Montreal

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$212 (American Airlines)
One-way from	$137 (Kiwi.com)
Popular in	January
Cheapest in	September
Average price	$290
Good round-trip deal	$393 or less
Good one-way deal	$234 or less

Provider with most accurate pricing for Chicago O'Hare Intl-Montreal (YMQ) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Montreal (YMQ) flights.

Search Deals

From Chicago O'Hare Intl to Montreal (YMQ)

Search Deals

One-way flight from Chicago O'Hare Intl to Montreal (YMQ)

Search Deals

Highest demand for flights based on searches. 23% potential increase in price ($121 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Price to beat on a round-trip flight from Chicago O'Hare Intl to Montreal (YMQ).

Search Deals

Price to beat on a one-way flight from Chicago O'Hare Intl to Montreal (YMQ).

Search Deals

Find flight deals from O'Hare Intl to Montreal

Cheapest flights from O'Hare Intl to Montreal
Explore the most affordable flight options available from O'Hare Intl to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 30, 2025.

jue. 12/116:15 amORD - YUL

1 stop9h 08mMultiple Airlines

dom. 12/148:00 amYUL - ORD

1 stop16h 02mMultiple Airlines

Deal found 10/29

$280

dom. 12/285:52 pmORD - YUL

Nonstop2h 25mUnited Airlines

mar. 1/66:00 amYUL - ORD

Nonstop3h 05mUnited Airlines

Deal found 10/29

$288

sáb. 12/612:50 pmORD - YUL

Nonstop2h 07mAir Canada

dom. 12/79:25 amYUL - ORD

Nonstop2h 53mAir Canada

Deal found 10/28

$291

sáb. 12/278:51 amORD - YUL

1 stop5h 25mUnited Airlines

mar. 1/66:00 amYUL - ORD

Nonstop3h 05mUnited Airlines

Deal found 10/29

$298

vie. 12/58:00 amORD - YUL

1 stop5h 22mAir Canada

mar. 12/99:25 amYUL - ORD

Nonstop2h 53mAir Canada

Deal found 10/28

$300

vie. 12/125:00 amORD - YUL

1 stop10h 23mMultiple Airlines

dom. 12/148:00 amYUL - ORD

1 stop16h 02mMultiple Airlines

Deal found 10/28

$304

sáb. 11/296:48 amORD - YUL

2 stops11h 51mMultiple Airlines

lun. 12/18:00 amYUL - ORD

1 stop26h 17mMultiple Airlines

Deal found 10/30

$310

dom. 11/165:25 amORD - YUL

1 stop18h 05mMultiple Airlines

mié. 11/196:45 amYUL - ORD

2 stops18h 42mMultiple Airlines

Deal found 10/29

$312

Best flights from O'Hare Intl to Montreal
Discover carefully curated flight deals from O'Hare Intl to Montreal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated octubre 30, 2025.

mié. 4/17:00 amORD - YUL

1 stop4h 20mDelta

mar. 4/144:55 pmYUL - ORD

1 stop4h 40mDelta

Deal found 10/29

$236

sáb. 2/213:35 pmORD - YUL

Nonstop2h 05mUnited Airlines

sáb. 2/288:30 amYUL - ORD

1 stop11h 55mUnited Airlines

Deal found 10/29

$250

lun. 4/279:30 amORD - YUL

1 stop6h 37mDelta

mié. 4/297:00 amYUL - ORD

1 stop8h 18mDelta

Deal found 10/30

$236

sáb. 2/141:35 pmORD - YUL

1 stop8h 37mDelta

sáb. 2/217:00 amYUL - ORD

1 stop10h 39mDelta

Deal found 10/29

$236

mié. 3/2510:00 amORD - YUL

1 stop6h 55mUnited Airlines

dom. 3/296:10 pmYUL - ORD

1 stop14h 37mUnited Airlines

Deal found 10/29

$260

jue. 1/19:00 amORD - YUL

1 stop7h 55mUnited Airlines

vie. 1/28:25 amYUL - ORD

1 stop11h 52mUnited Airlines

Deal found 10/29

$260

jue. 4/237:00 amORD - YUL

1 stop4h 16mDelta

dom. 4/266:00 amYUL - ORD

1 stop4h 24mDelta

Deal found 10/30

$264

dom. 4/57:00 amORD - YUL

1 stop8h 01mDelta

jue. 4/96:15 pmYUL - ORD

1 stop6h 39mDelta

Deal found 10/30

$264

jue. 4/237:00 amORD - YUL

1 stop4h 16mDelta

mar. 4/2812:45 pmYUL - ORD

1 stop7h 16mDelta

Deal found 10/30

$264

jue. 4/27:00 amORD - YUL

1 stop4h 20mDelta

sáb. 4/117:00 amYUL - ORD

1 stop7h 23mDelta

Deal found 10/30

$311

Last-minute flights from O'Hare Intl to Montreal
Discover last-minute flight deals from O'Hare Intl to Montreal. Data last updated octubre 30, 2025 and is based on user searches.

dom. 11/165:25 amORD - YUL

1 stop18h 05mMultiple Airlines

mié. 11/196:45 amYUL - ORD

2 stops18h 42mMultiple Airlines

Deal found 10/29

$312

dom. 11/165:25 amORD - YUL

1 stop18h 05mMultiple Airlines

mar. 11/186:45 amYUL - ORD

2 stops28h 02mMultiple Airlines

Deal found 10/30

$329

mar. 11/186:40 amORD - YUL

1 stop8h 45mMultiple Airlines

sáb. 11/225:10 pmYUL - ORD

1 stop16h 51mMultiple Airlines

Deal found 10/28

$343

mié. 11/196:40 amORD - YUL

1 stop8h 45mMultiple Airlines

dom. 11/238:55 amYUL - ORD

2 stops25h 06mMultiple Airlines

Deal found 10/27

$341

jue. 11/203:26 pmORD - YUL

2 stops24h 29mMultiple Airlines

dom. 11/238:00 amYUL - ORD

1 stop12h 21mMultiple Airlines

Deal found 10/28

$332

mié. 11/265:55 pmORD - YUL

Nonstop2h 22mUnited Airlines

lun. 12/14:45 pmYUL - ORD

Nonstop3h 00mUnited Airlines

Deal found 10/28

$338

sáb. 11/296:48 amORD - YUL

2 stops11h 51mMultiple Airlines

lun. 12/18:00 amYUL - ORD

1 stop26h 17mMultiple Airlines

Deal found 10/30

$310

sáb. 11/296:48 amORD - YUL

2 stops11h 51mMultiple Airlines

dom. 12/78:00 amYUL - ORD

1 stop28h 08mMultiple Airlines

Deal found 10/29

$318

One-way flights from O'Hare Intl to Montreal
Search for one-way flight options from O'Hare Intl to Montreal. Find affordable one-way fares based on user searches. Data last updated octubre 30, 2025.

dom. 11/165:25 amORD - YUL

1 stop18h 05mMultiple Airlines

Deal found 10/30

$137

vie. 11/2810:38 amORD - YUL

Nonstop2h 22mUnited Airlines

Deal found 10/29

$143

lun. 12/83:26 pmORD - YUL

2 stops24h 29mMultiple Airlines

Deal found 10/29

$144

jue. 11/278:45 amORD - YUL

2 stops31h 10mMultiple Airlines

Deal found 10/30

$145

vie. 11/286:15 pmORD - YUL

1 stop29h 15mMultiple Airlines

Deal found 10/29

$147

dom. 12/143:20 pmORD - YUL

1 stop24h 03mMultiple Airlines

Deal found 10/30

$148

mié. 11/265:55 pmORD - YUL

Nonstop2h 22mUnited Airlines

Deal found 10/28

$151

mié. 11/266:45 amORD - YUL

1 stop9h 36mDelta

Deal found 10/28

$152

dom. 3/157:10 amORD - YUL

1 stop8h 54mDelta

Deal found 10/29

$154

sáb. 11/158:00 amORD - YUL

1 stop15h 30mMultiple Airlines

Deal found 10/30

$158

lun. 1/262:00 pmORD - YUL

2 stops5h 44mAir Canada

Deal found 10/30

$160

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Montreal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

mié. 4/1

7:00 am-12:20 pm

1 stop4h 20m

Montreal Pierre Elliott Trudeau Intl

mar. 4/14

4:55 pm-8:35 pm

1 stop4h 40m

$236

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

lun. 4/27

9:30 am-5:07 pm

1 stop6h 37m

Montreal Pierre Elliott Trudeau Intl

mié. 4/29

7:00 am-2:18 pm

1 stop8h 18m

$236

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

sáb. 2/14

1:35 pm-11:12 pm

1 stop8h 37m

Montreal Pierre Elliott Trudeau Intl

sáb. 2/21

7:00 am-4:39 pm

1 stop10h 39m

$236

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

sáb. 2/21

3:35 pm-6:40 pm

Nonstop2h 05m

Montreal Pierre Elliott Trudeau Intl

sáb. 2/28

8:30 am-7:25 pm

1 stop11h 55m

$250

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

mié. 3/25

10:00 am-5:55 pm

1 stop6h 55m

Montreal Pierre Elliott Trudeau Intl

dom. 3/29

6:10 pm-7:47 am

1 stop14h 37m

$260

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

jue. 1/1

9:00 am-5:55 pm

1 stop7h 55m

Montreal Pierre Elliott Trudeau Intl

vie. 1/2

8:25 am-7:17 pm

1 stop11h 52m

$260

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

jue. 4/23

7:00 am-12:16 pm

1 stop4h 16m

Montreal Pierre Elliott Trudeau Intl

dom. 4/26

6:00 am-9:24 am

1 stop4h 24m

$264

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

dom. 4/5

7:00 am-4:01 pm

1 stop8h 01m

Montreal Pierre Elliott Trudeau Intl

jue. 4/9

6:15 pm-11:54 pm

1 stop6h 39m

$264

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

jue. 4/23

7:00 am-12:16 pm

1 stop4h 16m

Montreal Pierre Elliott Trudeau Intl

mar. 4/28

12:45 pm-7:01 pm

1 stop7h 16m

$264

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

jue. 4/2

7:00 am-12:20 pm

1 stop4h 20m

Montreal Pierre Elliott Trudeau Intl

sáb. 4/11

7:00 am-1:23 pm

1 stop7h 23m

$311

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 20 results

Compare providers for flights from O'Hare Intl to Montreal

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from O'Hare Intl to Montreal in October.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Expedia	Price Accuracy2 stars	Trust 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 O'Hare Intl Airport-Montreal flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chicago O'Hare Intl Airport-Montreal flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Montreal flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-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 O'Hare Intl Airport-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 O'Hare Intl to Montreal

Have a flexible travel schedule? Discover the best time to fly to Montreal from O'Hare Intl 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 O'Hare Intl Airport to Montreal

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Montreal?

The best time to book flights from Chicago O'Hare Intl Airport to Montreal is 77 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Montreal?

Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Montreal (average of $131). Flying from Chicago O'Hare Intl Airport to Montreal in December is currently the most expensive (average of $294). 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 ORD to YMQ?

When flying from Chicago O'Hare Intl Airport to Montreal, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 25% versus a flight in the morning.

How much does it cost to fly round-trip from Chicago O'Hare Intl Airport to Montreal?

Reviews of airlines servicing Montreal

Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Chicago O'Hare Intl Airport to Montreal by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

7,998 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Delta

7.9

Good

7,998 reviews

Delta

7.9

Good

7,998 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

United Airlines

7.4

Good

8,998 reviews

Delta

7.9

Good

7,998 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

American Airlines

7.2

Good

11,035 reviews

Delta

7.9

Good

7,998 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

WestJet

7.2

Good

3,152 reviews

Delta

7.9

Good

7,998 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

Air Canada

7.1

Good

10,381 reviews

Delta

7.9

Good

7,998 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

Related info for your journey

How long is the flight from Chicago O'Hare Intl Airport to Montreal?
There are many flights that can get you from Chicago O'Hare Intl Airport to Montreal in 4h 20m. Fly via Delta to get the fastest option. The distance between Chicago O'Hare Intl Airport and Montreal is about 745 mi.
What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Montreal round-trip?
Flying on Air Canada is currently your cheapest option to Montreal, with prices starting at $164. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $192 and $256, respectively. You may be able to fly from Chicago O'Hare Intl Airport to Montreal for 58% less than the average price by searching for these airlines.
What are the most reliable airlines from Chicago O'Hare Intl Airport to Montreal?
Before booking your flight to Montreal from Chicago O'Hare Intl Airport, check out the most reliable airlines to get you to your destination on time: Alaska Airlines (88%), Republic Airways (88%), American Airlines( 85%).
What are the cheapest flights from Chicago O'Hare Intl Airport to Montreal?
While on average a flight from Chicago O'Hare Intl Airport to Montreal is generally $855, our data shows the cheapest flight currently is $131. When looking at the most popular route, (Chicago O'Hare Intl - Montreal Pierre Elliott Trudeau Intl), you can expect to pay $169 for that flight.
Can I find deals for flights from O'Hare Intl to Montreal that include hotel bookings?
Yes. In addition to deals on O'Hare Intl to Montreal flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from O'Hare Intl to Montreal?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Montreal.
Can I find deals for business class flights from O'Hare Intl to Montreal?
Yes. Cheapflights offers flight deals from O'Hare Intl 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 O'Hare Intl Airport to Montreal?
Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Montreal (average of $131). Flying from Chicago O'Hare Intl Airport to Montreal in December is currently the most expensive (average of $294). 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

Top 3 airlines flying from O'Hare Intl to Montreal

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$164	Average$413	FlexibilityNo cancel fee	On-time67%
American Airlines	Cheapest$192	Average$405	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$256	Average$414	FlexibilityNo cancel fee	On-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$137+ Cheap flights from O'Hare Intl (ORD) 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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from O'Hare Intl to Montreal with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Chicago O'Hare Intl to Montreal are usually found in September or October, booked 77 days in advance, depart on a Thursday or Monday and return on a Friday

Cheap flight deals from O'Hare Intl to Montreal

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from O'Hare Intl to Montreal

Cheapest flights from O'Hare Intl to MontrealExplore the most affordable flight options available from O'Hare Intl to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 30, 2025.

Explore the most affordable flight options available from O'Hare Intl to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 30, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Montreal that are best for you.

Compare providers for flights from O'Hare Intl 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 O'Hare Intl to Montreal in October.

Best time to book a flight from O'Hare Intl to Montreal

Have a flexible travel schedule? Discover the best time to fly to Montreal from O'Hare Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Montreal

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Montreal?

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Montreal. Price data was last updated on October 24, 2025.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Montreal?

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

Find hourly flight availability from O'Hare Intl 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 octubre 30, 2025.

How much does it cost to fly round-trip from Chicago O'Hare Intl Airport to Montreal?

Reviews of airlines servicing Montreal

Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Chicago O'Hare Intl Airport to Montreal by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

How long is the flight from Chicago O'Hare Intl Airport to Montreal?

What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Montreal round-trip?

What are the most reliable airlines from Chicago O'Hare Intl Airport to Montreal?

What are the cheapest flights from Chicago O'Hare Intl Airport to Montreal?

Can I find deals for flights from O'Hare Intl to Montreal that include hotel bookings?

How can I find direct flights from O'Hare Intl to Montreal?

Can I find deals for business class flights from O'Hare Intl to Montreal?

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Montreal?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for O'Hare Intl to Montreal

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from O'Hare Intl to Montreal

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from O'Hare Intl to Montreal
Explore the most affordable flight options available from O'Hare Intl to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 30, 2025.