$180 Find Cheap Flights from Montreal to Chicago O'Hare Airport - Compare and Save

These are the earliest and latest flight times available from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport:

• Earliest: departs at 6:00 am and lands at 8:54 am
• Latest: departs at 6:10 pm and lands at 9:04 pm.

The flight takes about 2h 54m.

Three cabin classes are available on flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport:

• Economy Class
• Business Class
• First Class

A nonstop flight from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport takes 2h 54m, covering 745 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport range from $288 to $457, with an average of $359 over the past 12 months. Anything below $288 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 52% above the $359 route average. Book 26 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $189 round-trip via Philadelphia (PHL), compared to $363 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $25–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Embraer 175 (Enhanced Winglets) family is used most often on this route, operated mainly by United Airlines and Air Canada. Other aircraft seen on the route include Embraer 175 variants.

Afternoon is the busiest departure period on Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport flights, with 50% of flights leaving in that window. Morning departures account for 34%, evening flights for 16%, and night flights for 0%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $286 to $1,611. That means the highest observed fare was about 6x higher than the lowest one.

Four airlines offer in-flight Wi-Fi on Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport flights:

• Air Canada
• United Airlines
• American Airlines
• Finnair

Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

One-way fares from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport are currently lower than usual. Average one-way flight prices are about $190, which is 22% below the typical average for this route.

Chicago O'Hare Intl Airport (ORD) hosts 5 major car rental companies, with daily rates averaging $64 for economy cars. Top options include:

• Routes Car & Truck Rentals
• Europcar
• Hertz
• Ace
• Dollar

Flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport usually depart from Montreal Pierre Elliott Trudeau Intl (YUL) and arrive at Chicago O'Hare Intl (ORD).

One-stop flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport most commonly connect through:

• Toronto Pearson Intl (YYZ) - 37% of one-stop connections
• Toronto Island (YTZ) - 33% of one-stop connections
• Detroit Metropolitan Wayne County (DTW) - 21% of one-stop connections
• New York LaGuardia (LGA) - 3% of one-stop connections

Yes. Flexible dates can save you up to 32% on flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport. Thursday is the cheapest departure day at $340 round-trip on average, while Monday is the most expensive at $493, a difference of $153.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

3 airlines operate flights between Montreal Pierre Elliott Trudeau Intl Airport and Chicago O'Hare Intl Airport. The airlines offering nonstop flights on this route include:

• Air Canada
• United Airlines
• American Airlines

Flying via Philadelphia (PHL) gives the shortest average 1-stop total travel time at 4h 54m, compared with 4h 56m via Toronto Pearson Intl (YYZ) and 5h 07m via Toronto Island (YTZ).

Chicago O'Hare Intl Airport is 1 hour behind Montreal Pierre Elliott Trudeau Intl Airport (Central Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Chicago O'Hare Intl Airport are Magnificent Mile, Grant Park and Soldier Field. These are among the most viewed places in Chicago O'Hare Intl Airport on KAYAK.

Among airlines operating Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport flights:

• Air Canada: offers extra legroom; offers free seat selection
• United Airlines: offers extra legroom; offers free seat selection
• American Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• Air Canada: a cabin bag and a checked bag in Economy Class
• United Airlines: a cabin bag and a checked bag in Economy Class
• American Airlines: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.