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Cheap flights from St. Louis to Montreal Pierre Elliott Trudeau Intl Airport from C$ 296

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 17/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YUL
23 Dec — 30 Dec1
1 adult

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 18 December 2024.

Round-trip from

C$ 507

One-way from

C$ 296

Popular in

June

Cheapest in

January

Average price

C$ 791
14/1-15/1
  • 14/1-15/1
  • 2 total stops
  • 43h 15m total
  • St. Louis to Montreal
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17/1
  • 17/1
  • 1 total stop
  • 19h 04m total
  • St. Louis to Montreal
Search Deals
High demand for flights, 9% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in December 2024
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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 18 December 2024.

Tue 24/124:27 p.m.STL - YUL
1 stop21h 28mMultiple Airlines
Mon 30/123:55 p.m.YUL - STL
1 stop24h 26mMultiple Airlines
Deal found 16/12C$ 801
Wed 25/126:30 a.m.STL - YUL
1 stop4h 50mAmerican Airlines
Sun 5/15:30 p.m.YUL - STL
1 stop18h 39mAmerican Airlines
Deal found 17/12C$ 1,213
Mon 23/125:17 p.m.STL - YUL
1 stop5h 41mWestJet
Sat 28/126:05 a.m.YUL - STL
1 stop16h 24mWestJet
Deal found 16/12C$ 1,217
Tue 31/125:00 a.m.STL - YUL
1 stop4h 32mAir Canada
Fri 3/110:15 a.m.YUL - STL
1 stop5h 51mAir Canada
Deal found 17/12C$ 1,263
Mon 23/123:24 p.m.STL - YUL
1 stop7h 34mDelta
Fri 27/121:00 p.m.YUL - STL
1 stop9h 35mDelta
Deal found 16/12C$ 1,315
Wed 25/126:25 a.m.STL - YUL
2 stops10h 20mUnited Airlines
Mon 30/128:05 a.m.YUL - STL
1 stop15h 11mUnited Airlines
Deal found 16/12C$ 1,388

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 629,999 searches. Data last updated 18 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Tue 14/1

3:48 p.m.-2:55 p.m.

1 stop22h 07m

Montreal Pierre Elliott Trudeau Intl

Wed 15/1

6:35 p.m.-2:43 p.m.

1 stop21h 08m

C$ 507

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Fri 10/1

6:05 a.m.-4:22 p.m.

1 stop9h 17m

Montreal Pierre Elliott Trudeau Intl

Sun 12/1

11:20 a.m.-8:58 a.m.

1 stop22h 38m

C$ 673

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Wed 8/1

2:15 p.m.-1:35 p.m.

1 stop22h 20m

Montreal Pierre Elliott Trudeau Intl

Thu 9/1

5:35 p.m.-11:32 a.m.

1 stop18h 57m

C$ 748

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Sat 11/1

3:35 p.m.-11:36 p.m.

1 stop7h 01m

Montreal Pierre Elliott Trudeau Intl

Sun 12/1

6:00 a.m.-10:54 a.m.

1 stop5h 54m

C$ 851

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Thu 13/2

6:30 a.m.-10:04 p.m.

2 stops14h 34m

Montreal Pierre Elliott Trudeau Intl

Sun 16/2

6:10 p.m.-3:40 p.m.

2 stops22h 30m

C$ 1,084

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Tue 3/6

1:30 p.m.-5:00 p.m.

Nonstop2h 30m

Montreal Pierre Elliott Trudeau Intl

Wed 18/6

1:10 p.m.-7:40 p.m.

1 stop7h 30m

C$ 1,097

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Fri 17/1

8:31 p.m.-4:35 p.m.

1 stop19h 04m

C$ 296

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Fri 3/1

5:58 p.m.-10:05 a.m.

2 stops15h 07m

C$ 391

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/12

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$ 345). 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 18 December 2024.
Read reviews from past customers who have flown Air Canada, American Airlines 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
8,604 reviews
Check prices

Crew

8.6

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
8,604 reviews
Delta
8.0
Very good
8,604 reviews
Check prices

Crew

8.6

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
9,059 reviews
Delta
8.0
Very good
8,604 reviews
Check prices

Crew

8.6

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
2,818 reviews
Delta
8.0
Very good
8,604 reviews
Check prices

Crew

8.6

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
8,604 reviews
Check prices

Crew

8.6

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
8,382 reviews
Delta
8.0
Very good
8,604 reviews
Check prices

Crew

8.6

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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 Delta. Our recent data shows that you can find tickets from as low as C$ 673 on this airline. Additional options worth looking into are American Airlines and WestJet, starting at C$ 748 and C$ 851 round-trip. Delta is currently priced 17% 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 (73%), Jazz (73%) or United Airlines (73%) 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$ 345). 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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