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Cheap flights from Illinois to Montreal Pierre Elliott Trudeau Intl Airport from C$ 132

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 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YUL
18 Apr — 25 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Illinois to Pierre Elliott Trudeau Intl

Enter your travel dates to find the best prices.

Cheapest flights from Illinois to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Illinois to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 March 2026.

Sun 26/48:40 a.m.
ORD
-
YUL
Nonstop2h 11m
Air Canada
Sun 24/56:30 p.m.
YUL
-
ORD
Nonstop2h 38m
Air Canada
Deal found 18/3C$ 277
Fri 17/44:05 p.m.
MDW
-
YUL
1 stop5h 40m
Porter Airlines
Mon 20/46:50 a.m.
YUL
-
MDW
1 stop4h 25m
Porter Airlines
Deal found 17/3C$ 280
Fri 17/44:05 p.m.
MDW
-
YUL
1 stop5h 40m
Porter Airlines
Sun 19/410:55 a.m.
YUL
-
MDW
1 stop5h 25m
Porter Airlines
Deal found 16/3C$ 281
Sun 3/58:45 a.m.
ORD
-
YUL
Nonstop2h 15m
Air Canada
Sun 10/58:40 a.m.
YUL
-
ORD
Nonstop2h 38m
Air Canada
Deal found 19/3C$ 284
Fri 1/58:45 a.m.
ORD
-
YUL
Nonstop2h 11m
Air Canada
Fri 8/56:30 p.m.
YUL
-
ORD
Nonstop2h 38m
Air Canada
Deal found 17/3C$ 285
Fri 24/44:05 p.m.
MDW
-
YUL
1 stop5h 40m
Porter Airlines
Mon 27/46:50 a.m.
YUL
-
MDW
1 stop4h 25m
Porter Airlines
Deal found 17/3C$ 286
Thu 9/43:45 p.m.
ORD
-
YUL
Nonstop2h 11m
Air Canada
Sun 12/46:30 p.m.
YUL
-
ORD
Nonstop2h 35m
Air Canada
Deal found 18/3C$ 286
Thu 7/53:40 p.m.
ORD
-
YUL
Nonstop2h 24m
Air Canada
Sun 10/56:30 p.m.
YUL
-
ORD
Nonstop2h 38m
Air Canada
Deal found 16/3C$ 295
Mon 11/510:25 a.m.
MDW
-
YUL
1 stop5h 50m
Porter Airlines
Mon 18/56:30 a.m.
YUL
-
MDW
1 stop4h 10m
Porter Airlines
Deal found 16/3C$ 296
Fri 10/412:50 p.m.
ORD
-
YUL
Nonstop2h 15m
Air Canada
Sun 12/46:30 p.m.
YUL
-
ORD
Nonstop2h 35m
Air Canada
Deal found 18/3C$ 297
Fri 5/610:25 a.m.
MDW
-
YUL
1 stop6h 50m
Porter Airlines
Mon 8/610:35 a.m.
YUL
-
MDW
1 stop5h 00m
Porter Airlines
Deal found 18/3C$ 299
Thu 23/411:00 a.m.
MDW
-
YUL
1 stop7h 15m
Porter Airlines
Sun 26/49:50 a.m.
YUL
-
MDW
1 stop6h 30m
Porter Airlines
Deal found 17/3C$ 307

Find flight deals from Illinois to Pierre Elliott Trudeau Intl

Keep the following information in mind while searching for Illinois to Pierre Elliott Trudeau Intl flight deals. Data was last updated 19 March 2026.

Round-trip from

C$ 277

One-way from

C$ 132

Popular in

December

Cheapest in

March

Average price

C$ 422

Good round-trip deal

C$ 122 or less

Good one-way deal

C$ 142 or less
Air Canada
  • Air Canada
  • 26/4-24/5
  • Nonstop
  • 4h 49m total
  • Illinois to Montreal
Search Deals
Air Canada
  • Air Canada
  • 15/6
  • 1 total stop
  • 5h 20m total
  • Illinois to Montreal
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 12 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Illinois to Montreal Pierre Elliott Trudeau Intl.
Search Deals
Price to beat on a one-way flight from Illinois to Montreal Pierre Elliott Trudeau Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Pierre Elliott Trudeau Intl 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 629,999 searches. Data last updated 19 March 2026.
Use the filters below to find and compare flights from Illinois to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 14/5

11:00 a.m.-7:45 p.m.

1 stop7h 45m

Montreal Pierre Elliott Trudeau Intl

Tue 19/5

5:00 p.m.-6:52 p.m.

Nonstop2h 52m

C$ 337
Quickest round-trip

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Mon 1/6

7:10 a.m.-10:40 a.m.

Nonstop2h 30m

Montreal Pierre Elliott Trudeau Intl

Fri 5/6

3:25 p.m.-9:00 p.m.

1 stop6h 35m

C$ 344

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Wed 15/4

2:12 p.m.-11:26 p.m.

1 stop8h 14m

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

6:00 a.m.-12:43 p.m.

1 stop7h 43m

C$ 358

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sun 12/4

7:10 a.m.-3:53 p.m.

1 stop7h 43m

Montreal Pierre Elliott Trudeau Intl

Sun 19/4

6:00 a.m.-12:45 p.m.

1 stop7h 45m

C$ 358

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Fri 8/5

2:00 p.m.-11:13 p.m.

1 stop8h 13m

Montreal Pierre Elliott Trudeau Intl

Mon 11/5

7:00 a.m.-4:55 p.m.

1 stop10h 55m

C$ 358

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Tue 28/4

1:00 p.m.-7:45 p.m.

1 stop5h 45m

Montreal Pierre Elliott Trudeau Intl

Wed 29/4

3:25 p.m.-9:33 p.m.

1 stop7h 08m

C$ 358

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Wed 22/4

12:00 p.m.-6:51 p.m.

1 stop5h 51m

Montreal Pierre Elliott Trudeau Intl

Thu 30/4

6:00 a.m.-12:45 p.m.

1 stop7h 45m

C$ 358

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Wed 13/5

2:59 p.m.-11:57 p.m.

1 stop7h 58m

Montreal Pierre Elliott Trudeau Intl

Mon 18/5

6:00 a.m.-1:00 p.m.

1 stop8h 00m

C$ 358

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Fri 17/4

7:00 a.m.-4:15 p.m.

1 stop8h 15m

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

6:00 a.m.-12:45 p.m.

1 stop7h 45m

C$ 358

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Wed 13/5

1:59 p.m.-11:41 p.m.

1 stop8h 42m

Montreal Pierre Elliott Trudeau Intl

Wed 20/5

12:49 p.m.-6:33 p.m.

1 stop6h 44m

C$ 388

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/3

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Illinois to Pierre Elliott Trudeau Intl

Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau Intl from Illinois 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 Illinois to Montreal Pierre Elliott Trudeau Intl Airport

What is the cheapest month to book a flight from Illinois to Montreal Pierre Elliott Trudeau Intl Airport?

Currently, April is the cheapest month in which you can book a flight from Illinois to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 136). Flying from Illinois to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of C$ 388). 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 IL to YUL?

Find hourly flight availability from Illinois to Pierre Elliott Trudeau Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 March 2026.

When flying from Illinois to Montreal Pierre Elliott Trudeau Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Illinois to Montreal Pierre Elliott Trudeau Intl Airport

Explore weekly flight availability from Illinois to Pierre Elliott Trudeau Intl. 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 19 March 2026.

The most flights from USIL to YUL are scheduled on a Monday (21 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (15 on average).

Related info for your journey

Find useful and relevant information for your journey from Illinois to Pierre Elliott Trudeau Intl. 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 Illinois to Montreal Pierre Elliott Trudeau Intl Airport?

    There are many flights that can get you from Illinois to Montreal Pierre Elliott Trudeau Intl Airport in 8h. Fly via United Airlines, Delta, or American Airlines to get the fastest option. There are 1199 km between Illinois and Montreal Pierre Elliott Trudeau Intl Airport. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Illinois to Montreal Pierre Elliott Trudeau Intl Airport one-way?

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at C$ 100. United Airlines flights start at C$ 102 while deals on Porter Airlines start at C$ 178 one-way.

  • What are the most popular routes from Illinois to Montreal Pierre Elliott Trudeau Intl Airport?

    The most popular route from Illinois to Montreal Pierre Elliott Trudeau Intl Airport is Chicago O'Hare Intl - Montreal Pierre Elliott Trudeau Intl. You may also consider Chicago Midway - Montreal Pierre Elliott Trudeau Intl or Lambert-St Louis - Montreal Pierre Elliott Trudeau Intl.

  • What are the most reliable airlines from Illinois to Montreal Pierre Elliott Trudeau Intl Airport?

    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 Illinois to Montreal Pierre Elliott Trudeau Intl Airport on time: Alaska Airlines (71%), American Airlines (67%), Envoy Air (67%).

  • What are the cheapest flights from Illinois to Montreal Pierre Elliott Trudeau Intl Airport?

    Looking at all options, your cheapest flight can be booked for C$ 121. While the most popular route (Chicago O'Hare Intl - Montreal Pierre Elliott Trudeau Intl) can be booked for C$ 319 on average, our data indicates C$ 249 when flying from Illinois to Montreal Pierre Elliott Trudeau Intl Airport.

  • Can I find deals for flights from Illinois to Pierre Elliott Trudeau Intl that include hotel bookings?

    Yes. In addition to deals on Illinois to Pierre Elliott Trudeau Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Pierre Elliott Trudeau Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Pierre Elliott Trudeau Intl.

  • Can I find deals for business class flights from Illinois to Pierre Elliott Trudeau Intl?

    Yes. Cheapflights offers flight deals from Illinois to Pierre Elliott Trudeau Intl 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 Illinois to Montreal Pierre Elliott Trudeau Intl Airport?

    Currently, April is the cheapest month in which you can book a flight from Illinois to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 136). Flying from Illinois to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of C$ 388). 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

Travelling to a place near Montreal Pierre Elliott Trudeau Intl Airport?

Book flights to Montreal Pierre Elliott Trudeau Intl Airport if you plan to visit one of these locations
Laval
Trois-Rivières
Dorval
Sherbrooke
Cornwall
Montebello
Brossard
Boucherville
Longueuil
Magog
Saint-Jean-sur-Richelieu
Bromont
Drummondville
North Hatley
Saint-Sauveur
Louiseville

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Alternative routes for Illinois to Pierre Elliott Trudeau Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Illinois to Pierre Elliott Trudeau Intl

Discover the top airline that operate flights from Illinois to Pierre Elliott Trudeau Intl. 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 629,999 searches. Data last updated 19 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 337AverageC$ 767FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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How does Cheapflights help users find flights from Illinois to Pierre Elliott Trudeau Intl?

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Yes! Cheapflights helps users easily find flights from Illinois to Pierre Elliott Trudeau Intl with no change fees.

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