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Cheap flights from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport from C$ 321

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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YUL
26 Nov — 3 Dec1
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 645,034 searches. Data last updated 21 November 2024.

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Price

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Tue 10/12

4:26 p.m.-2:55 p.m.

1 stop21h 29m

Montreal Pierre Elliott Trudeau Intl

Mon 13/1

3:55 p.m.-2:43 p.m.

1 stop23h 48m

C$ 500

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Mon 16/12

11:00 a.m.-10:57 p.m.

2 stops10h 57m

Montreal Pierre Elliott Trudeau Intl

Mon 13/1

10:54 a.m.-8:09 p.m.

1 stop10h 15m

C$ 825

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Sun 12/1

10:20 a.m.-4:22 p.m.

1 stop5h 02m

Montreal Pierre Elliott Trudeau Intl

Wed 15/1

11:20 a.m.-9:06 p.m.

1 stop10h 46m

C$ 855

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Tue 10/12

5:28 p.m.-5:00 p.m.

2 stops22h 32m

Montreal Pierre Elliott Trudeau Intl

Mon 13/1

8:00 p.m.-10:24 a.m.

2 stops15h 24m

C$ 957

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Fri 25/4

5:40 p.m.-11:43 p.m.

1 stop5h 03m

Montreal Pierre Elliott Trudeau Intl

Mon 28/4

9:30 a.m.-1:19 p.m.

1 stop4h 49m

C$ 1,024

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Wed 25/12

8:00 a.m.-2:47 p.m.

1 stop5h 47m

Montreal Pierre Elliott Trudeau Intl

Sun 5/1

9:15 a.m.-3:06 p.m.

1 stop6h 51m

C$ 1,047

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Mon 2/12

6:32 p.m.-12:40 a.m.

2 stops53h 08m

C$ 321

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Wed 4/12

10:10 a.m.-9:48 p.m.

2 stops10h 38m

C$ 720

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Wed 4/12

1:09 p.m.-11:59 p.m.

1 stop9h 50m

C$ 790

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Wed 4/12

6:30 a.m.-5:45 p.m.

2 stops10h 15m

C$ 910

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/11

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 21 November 2024.

Round-trip from

C$ 500

One-way from

C$ 321

Popular in

February

Cheapest in

January
10/12-13/1
  • 10/12-13/1
  • 2 total stops
  • 45h 17m total
  • St. Louis to Montreal
Search Deals
2/12
  • 2/12
  • 2 total stops
  • 53h 08m total
  • St. Louis to Montreal
Search Deals
High demand for flights, 25% potential price rise
Search Deals
Best time to find cheap flights, 31% 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 21 November 2024.

Tue 10/124:26 p.m.STL - YUL
1 stop21h 29mMultiple Airlines
Mon 13/13:55 p.m.YUL - STL
1 stop23h 48mMultiple Airlines
Deal found 20/11C$ 500
Mon 16/1211:00 a.m.STL - YUL
2 stops10h 57mAmerican Airlines
Mon 13/110:54 a.m.YUL - STL
1 stop10h 15mAmerican Airlines
Deal found 20/11C$ 825
Mon 16/1210:28 a.m.STL - YUL
1 stop5h 31mDelta
Sun 12/111:20 a.m.YUL - STL
1 stop10h 46mDelta
Deal found 20/11C$ 918
Tue 10/125:28 p.m.STL - YUL
2 stops22h 32mUnited Airlines
Mon 13/18:00 p.m.YUL - STL
2 stops15h 24mUnited Airlines
Deal found 20/11C$ 957
Wed 25/128:00 a.m.STL - YUL
1 stop5h 47mAir Canada
Sun 5/19:15 a.m.YUL - STL
1 stop6h 51mAir Canada
Deal found 20/11C$ 1,047
Fri 27/125:17 p.m.STL - YUL
2 stops30h 23mWestJet
Tue 31/127:10 a.m.YUL - STL
1 stop10h 49mWestJet
Deal found 19/11C$ 1,329

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$ 241). Flying from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport in March is currently the most expensive (average of C$ 352). 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.

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 21 November 2024.
Read reviews from past customers who have flown Delta, United Airlines and WestJet 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
8,758 reviews
Check prices

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
8,758 reviews
Delta
8.0
Very good
8,758 reviews
Check prices

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
9,172 reviews
Delta
8.0
Very good
8,758 reviews
Check prices

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

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

WestJet
7.3
Good
2,810 reviews
Delta
8.0
Very good
8,758 reviews
Check prices

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
8,758 reviews
Check prices

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
8,238 reviews
Delta
8.0
Very good
8,758 reviews
Check prices

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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$ 825 on this airline. Additional options worth looking into are Delta and United Airlines, starting at C$ 855 and C$ 957 round-trip.

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

    The cheapest airlines for a one-way flight from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport are Air Canada (C$ 720), Delta (C$ 790), and United Airlines (C$ 910).

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

    Consider Air Canada (81%), Jazz (81%) or United Airlines (81%) 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$ 241). Flying from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport in March is currently the most expensive (average of C$ 352). 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 St. Louis to Pierre Elliott Trudeau Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Yes! Start tracking prices for St. Louis to Pierre Elliott Trudeau Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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