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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Illinois from C$ 243

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 26/1. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — ORD
28 Dec — 4 Jan1
1 adult

Cheap flight deals from Pierre Elliott Trudeau Intl to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to Illinois (USIL). 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 23 December 2024.

Round-trip from

C$ 415

One-way from

C$ 243
Porter Airlines
  • Porter Airlines
  • 22/1-29/1
  • 2 total stops
  • 11h 40m total
  • Montreal to Illinois
26/1
  • 26/1
  • 1 total stop
  • 16h 42m total
  • Montreal to Illinois

Find flight deals from Pierre Elliott Trudeau Intl to Illinois

Cheapest flights from Pierre Elliott Trudeau Intl to Illinois
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 December 2024.

Tue 31/126:50 a.m.YUL - MDW
1 stop4h 30mPorter Airlines
Mon 6/112:05 p.m.MDW - YUL
1 stop6h 15mPorter Airlines
Deal found 22/12C$ 573
Mon 30/123:55 p.m.YUL - ORD
1 stop20h 09mMultiple Airlines
Tue 7/11:24 p.m.ORD - YUL
2 stops8h 21mMultiple Airlines
Deal found 22/12C$ 733
Sat 28/126:45 a.m.YUL - STL
1 stop17h 43mMultiple Airlines
Mon 6/16:49 p.m.STL - YUL
2 stops20h 46mMultiple Airlines
Deal found 22/12C$ 822
Mon 30/126:00 a.m.YUL - ORD
Nonstop3h 05mUnited Airlines
Mon 30/126:25 p.m.ORD - YUL
1 stop13h 10mUnited Airlines
Deal found 21/12C$ 841
Thu 26/122:29 p.m.YUL - ORD
1 stop10h 08mAmerican Airlines
Thu 30/16:30 a.m.ORD - YUL
1 stop7h 55mAmerican Airlines
Deal found 22/12C$ 859
Thu 26/126:15 p.m.YUL - ORD
1 stop4h 58mAir Canada
Thu 30/17:20 a.m.ORD - YUL
Nonstop2h 12mAir Canada
Deal found 22/12C$ 868
Tue 31/126:45 a.m.YUL - MDW
2 stops16h 21mMultiple Airlines
Sun 5/15:35 p.m.MDW - YUL
1 stop3h 55mMultiple Airlines
Deal found 22/12C$ 984
Sun 29/126:05 a.m.YUL - STL
1 stop6h 57mDelta
Fri 3/16:29 a.m.STL - YUL
1 stop4h 26mDelta
Deal found 22/12C$ 1,004
Fri 27/121:00 p.m.YUL - ORD
1 stop21h 09mWestJet
Thu 2/15:30 p.m.ORD - YUL
1 stop4h 39mWestJet
Deal found 22/12C$ 1,063
Wed 25/126:00 a.m.YUL - ORD
1 stop9h 38mDelta
Mon 30/125:40 a.m.ORD - YUL
1 stop9h 56mDelta
Deal found 22/12C$ 1,089
Thu 26/127:00 a.m.YUL - MDW
1 stop16h 06mWestJet
Tue 31/124:50 p.m.MDW - YUL
1 stop5h 53mWestJet
Deal found 22/12C$ 1,089
Fri 27/125:30 p.m.YUL - STL
1 stop6h 30mAmerican Airlines
Sat 4/17:20 a.m.STL - YUL
1 stop14h 30mAmerican Airlines
Deal found 22/12C$ 1,162

Find flights from Pierre Elliott Trudeau Intl to Illinois within your budget

Customize your flight search to find flights from Pierre Elliott Trudeau Intl to Illinois 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 23 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Wed 22/1

6:50 a.m.-12:10 p.m.

1 stop6h 20m

Chicago Midway

Wed 29/1

1:05 p.m.-7:25 p.m.

1 stop5h 20m

C$ 415

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Wed 19/2

6:45 a.m.-10:03 p.m.

2 stops16h 18m

Chicago O'Hare Intl

Wed 26/2

5:00 a.m.-2:55 p.m.

1 stop8h 55m

C$ 417

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 11/1

7:30 a.m.-1:29 p.m.

2 stops6h 59m

Chicago O'Hare Intl

Sun 12/1

7:22 a.m.-4:50 p.m.

1 stop8h 28m

C$ 455

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 11/1

2:15 p.m.-6:38 p.m.

1 stop5h 23m

Chicago O'Hare Intl

Sun 12/1

1:55 p.m.-9:48 p.m.

1 stop6h 53m

C$ 520

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 30/1

6:00 a.m.-4:13 p.m.

1 stop11h 13m

Chicago O'Hare Intl

Sun 2/2

10:00 a.m.-4:22 p.m.

1 stop5h 22m

C$ 536

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Tue 4/2

6:30 a.m.-2:43 p.m.

1 stop9h 13m

Lambert-St Louis

Tue 11/2

3:48 p.m.-12:45 a.m.

1 stop7h 57m

C$ 536

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Fri 17/1

6:20 p.m.-7:55 p.m.

Nonstop2h 35m

Chicago O'Hare Intl

Sun 19/1

2:01 p.m.-5:19 p.m.

Nonstop2h 18m

C$ 546

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Sat 11/1

6:00 a.m.-10:36 a.m.

1 stop5h 36m

Chicago Midway

Sun 12/1

6:28 p.m.-11:25 p.m.

1 stop3h 57m

C$ 553

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Wed 4/6

7:30 a.m.-1:05 p.m.

1 stop6h 35m

Chicago Midway

Sun 15/6

9:20 a.m.-11:18 p.m.

1 stop12h 58m

C$ 592

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 10/4

7:05 a.m.-12:40 p.m.

1 stop6h 35m

Chicago O'Hare Intl

Sat 12/4

11:30 a.m.-11:36 a.m.

1 stop23h 06m

C$ 608

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/12

Showing 1-10 of 29 results
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Best time to book a flight from Pierre Elliott Trudeau Intl to Illinois

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

Travel insights for flights from Pierre Elliott Trudeau Intl to Illinois

Get recent, data-driven insights about flights from Pierre Elliott Trudeau Intl to Illinois including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Illinois (average of C$ 261). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Illinois in March is currently the most expensive (average of C$ 355). 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 YUL to IL?

Find hourly flight availability from Pierre Elliott Trudeau Intl to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 December 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Montreal Pierre Elliott Trudeau Intl Airport to Illinois as you normally would.

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

Explore weekly flight availability from Pierre Elliott Trudeau Intl to Illinois. 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 23 December 2024.

The most flights from YUL to USIL are scheduled on a Saturday (17 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (16 on average).

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois ranges from 43.0 - 125.0 mm per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Illinois when rainfall is around 43.0 mm.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, 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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated 23 December 2024.
Read through reviews of airlines operating flights from Montreal to Illinois, such as American Airlines, Air Canada and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
8,588 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very good
8,588 reviews
8.0
Very good
8,588 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.8
Good
282 reviews
8.0
Very good
8,588 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.4
Good
9,020 reviews
8.0
Very good
8,588 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.3
Good
2,816 reviews
8.0
Very good
8,588 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.2
Good
10,000 reviews
8.0
Very good
8,588 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

    The cheapest airline one-way is Porter Airlines, with whom users have recently found tickets for as low as C$ 243. However, be on the lookout for offers from Air Canada and Delta, as they are both options that can get you from Montreal Pierre Elliott Trudeau Intl Airport to Illinois for a low price.

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

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

    Consider SkyWest Airlines (100%), ANA (98%) or Qatar Airways (95%) when booking your flight. These represent the most reliable airlines when flying from Montreal Pierre Elliott Trudeau Intl Airport to Illinois.

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

    Looking at all options, your cheapest flight can be booked for C$ 231. While the most popular route (Montreal Pierre Elliott Trudeau Intl - Chicago O'Hare Intl) can be booked for C$ 398 on average our data indicates C$ 1,544 when flying from Montreal Pierre Elliott Trudeau Intl Airport to Illinois.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Illinois (average of C$ 261). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Illinois in March is currently the most expensive (average of C$ 355). 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

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Alternative routes for Pierre Elliott Trudeau Intl to Illinois

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

Top 6 airlines flying from Pierre Elliott Trudeau Intl to Illinois

Discover the top 6 airlines that operate flights from Pierre Elliott Trudeau Intl to Illinois. 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 23 December 2024.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 328AverageC$ 460FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 370AverageC$ 598FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 370AverageC$ 419FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 372AverageC$ 519FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 395AverageC$ 521FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 459AverageC$ 620FlexibilityNo cancel feeOn-time60%
Search WestJet flights

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

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Why should you use Cheapflights to find cheap flight tickets from Pierre Elliott Trudeau Intl to Illinois?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Illinois from Pierre Elliott Trudeau Intl.

Can Cheapflights find flights from Pierre Elliott Trudeau Intl to Illinois with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Pierre Elliott Trudeau Intl to Illinois, users can toggle the no change fees filter when performing a flight search.

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Not ready to book yet? You can track prices for flights from Pierre Elliott Trudeau Intl to Illinois on Cheapflights with our Price Alert feature and get notified when better prices are available.

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