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Cheap flights from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport from C$ 186

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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YUL
5 Nov — 12 Nov1
1 adult

Find flights from St. Louis to Pierre Elliott Trudeau Intl within your budget

Customize your flight search to find flights from St. Louis 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 527,020 searches. Data last updated 31 October 2024.

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Route

Depart

Return

Price

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Tue 3/12

5:21 p.m.-2:55 p.m.

1 stop20h 34m

C$ 186

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Wed 4/12

7:15 a.m.-4:59 p.m.

1 stop8h 44m

C$ 433

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Thu 5/12

5:40 p.m.-12:40 p.m.

2 stops18h 00m

C$ 440

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Mon 9/12

8:34 p.m.-4:35 p.m.

1 stop19h 01m

Montreal Pierre Elliott Trudeau Intl

Thu 12/12

5:35 p.m.-7:34 p.m.

1 stop26h 59m

C$ 438

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Sat 23/11

7:30 a.m.-11:50 a.m.

1 stop27h 20m

Montreal Pierre Elliott Trudeau Intl

Sun 24/11

5:30 p.m.-11:05 a.m.

1 stop18h 35m

C$ 735

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Sat 23/11

1:39 p.m.-1:53 a.m.

2 stops11h 14m

Montreal Pierre Elliott Trudeau Intl

Mon 25/11

9:15 a.m.-3:39 p.m.

1 stop7h 24m

C$ 833

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Mon 9/12

6:01 a.m.-3:38 p.m.

1 stop8h 37m

Montreal Pierre Elliott Trudeau Intl

Thu 12/12

6:05 a.m.-3:00 p.m.

1 stop9h 55m

C$ 879

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Mon 9/12

5:57 p.m.-11:11 p.m.

1 stop4h 14m

Montreal Pierre Elliott Trudeau Intl

Thu 12/12

1:30 p.m.-10:26 p.m.

2 stops9h 56m

C$ 947

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Fri 27/12

5:00 a.m.-9:17 p.m.

1 stop15h 17m

Montreal Pierre Elliott Trudeau Intl

Thu 2/1

7:00 a.m.-12:29 p.m.

1 stop6h 29m

C$ 1,035

Flights are sorted by cheapest first

Deals found on 31/10

Cheap flight deals from St. Louis to Pierre Elliott Trudeau Intl

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Pierre Elliott Trudeau Intl (YUL). 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 31 October 2024.

Round-trip from

C$ 508

One-way from

C$ 186

Popular in

February

Cheapest in

January
6/12-10/12
  • 6/12-10/12
  • 3 total stops
  • 33h 52m total
  • St. Louis to Montreal
Search Deals
3/12
  • 3/12
  • 1 total stop
  • 20h 34m total
  • St. Louis to Montreal
Search Deals
High demand for flights, 24% potential price rise
Search Deals
Best time to find cheap flights, 32% potential price drop
Search Deals

Find flight deals from St. Louis to Pierre Elliott Trudeau Intl

Cheapest flights from St. Louis to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from St. Louis to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 October 2024.

Mon 9/128:34 p.m.STL - YUL
1 stop19h 01mMultiple Airlines
Thu 12/125:35 p.m.YUL - STL
1 stop26h 59mMultiple Airlines
Deal found 31/10C$ 438
Sat 23/117:30 a.m.STL - YUL
1 stop27h 20mAmerican Airlines
Sun 24/115:30 p.m.YUL - STL
1 stop18h 35mAmerican Airlines
Deal found 30/10C$ 735
Sat 23/111:39 p.m.STL - YUL
2 stops11h 14mAir Canada
Mon 25/119:15 a.m.YUL - STL
1 stop7h 24mAir Canada
Deal found 30/10C$ 833
Mon 9/126:01 a.m.STL - YUL
1 stop8h 37mDelta
Thu 12/126:05 a.m.YUL - STL
1 stop9h 55mDelta
Deal found 30/10C$ 879
Mon 9/125:57 p.m.STL - YUL
1 stop4h 14mWestJet
Thu 12/121:30 p.m.YUL - STL
2 stops9h 56mWestJet
Deal found 31/10C$ 947
Fri 27/125:00 a.m.STL - YUL
1 stop15h 17mUnited Airlines
Thu 2/17:00 a.m.YUL - STL
1 stop6h 29mUnited Airlines
Deal found 30/10C$ 1,035

Best time to book a flight from St. Louis to Pierre Elliott Trudeau Intl

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

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

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

Currently, October is the cheapest month in which you can book a flight from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 236). Flying from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport in March is currently the most expensive (average of C$ 350). 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 STL to YUL?

Find hourly flight availability from St. Louis 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 31 October 2024.

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

Rainfall in Pierre Elliott Trudeau Intl by month

Plan your trip to Pierre Elliott Trudeau Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Montreal Pierre Elliott Trudeau Intl Airport ranges from 64.0 - 111.0 mm per month. August is typically the wettest month, when rainfall can reach 111.0 mm. February is typically the driest time to visit Montreal Pierre Elliott Trudeau Intl Airport when rainfall is around 64.0 mm.

Temperature in Pierre Elliott Trudeau Intl by month

Plan your trip to Pierre Elliott Trudeau Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Montreal Pierre Elliott Trudeau Intl Airport, 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 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -9.0 C).

Reviews of airlines servicing Pierre Elliott Trudeau Intl

Get insights into the airlines that provide service to Pierre Elliott Trudeau Intl. 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 Pierre Elliott Trudeau Intl. Reviews last updated 31 October 2024.
Read reviews from past customers who have flown Delta and United Airlines from St. Louis to Montreal. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,835 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,835 reviews
Delta
8.0
Very good
8,835 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
9,240 reviews
Delta
8.0
Very good
8,835 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

WestJet
7.3
Good
2,804 reviews
Delta
8.0
Very good
8,835 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,835 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Canada
7.0
Good
8,095 reviews
Delta
8.0
Very good
8,835 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from St. Louis 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.

  • What airport do you fly from for flights from St. Louis to Montreal Pierre Elliott Trudeau Intl?

    For a flight from St. Louis to Montreal Pierre Elliott Trudeau Intl, you will be flying from Lambert-St Louis. Lambert-St Louis (STL) is just 20.4 km from the centre of the city. Lambert-St Louis is the only St. Louis airport and it handles 0 outbound flights to Montreal Pierre Elliott Trudeau Intl per day. 0 airlines have flights to Montreal Pierre Elliott Trudeau Intl from Lambert-St Louis on a regular basis.

  • What are the cheapest airlines flying from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport round-trip?

    Our cheapest airline available from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport is American Airlines. Our recent data shows that you can find tickets from as low as C$ 735 on this airline. Additional options worth looking into are Air Canada and Delta, starting at C$ 833 and C$ 879 round-trip. American Airlines is currently priced 5% below the average price you’ll pay for this route.

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

    Consider Air Canada (80%), Jazz (80%) or United Airlines (80%) when booking your flight. These represent the most reliable airlines when flying from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport.

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

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

  • How can I find direct flights from St. Louis 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 St. Louis to Pierre Elliott Trudeau Intl.

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

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

    Currently, October is the cheapest month in which you can book a flight from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 236). Flying from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport in March is currently the most expensive (average of C$ 350). 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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