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$333+ Cheap flights from Pierre Elliott Trudeau Intl (YUL) to St. Louis (STL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — STL
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from Pierre Elliott Trudeau Intl to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to St. Louis (STL). 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 November 21, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

October

Cheapest in

December

Average price

$516

Round-trip from

$333
(Kiwi.com)
Provider with most accurate pricing for Montreal Pierre Elliott Trudeau Intl-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Montreal Pierre Elliott Trudeau Intl-Lambert-St Louis flights.
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High demand for flights, 20% potential price rise
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Best time to find cheap flights, 21% potential price drop
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Average for round-trip flights in November 2024
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From Montreal Pierre Elliott Trudeau Intl to Lambert-St Louis
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Find flight deals from Pierre Elliott Trudeau Intl to St. Louis

Cheapest flights from Pierre Elliott Trudeau Intl to St. Louis
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This Kiwi.com deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/93:55 pmYUL - STL
1 stop24h 26mMultiple Airlines
Mon 12/168:34 pmSTL - YUL
1 stop19h 01mMultiple Airlines
Deal found 11/20$333
This American Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/97:14 amYUL - STL
1 stop17h 45mAmerican Airlines
Mon 12/1611:00 amSTL - YUL
2 stops10h 57mAmerican Airlines
Deal found 11/20$539
This United Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/248:25 amYUL - STL
2 stops14h 20mUnited Airlines
Thu 1/25:00 amSTL - YUL
1 stop4h 32mUnited Airlines
Deal found 11/20$625
This Justfly.com deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/166:00 amYUL - STL
1 stop5h 40mWestJet
Mon 12/235:17 pmSTL - YUL
2 stops30h 23mWestJet
Deal found 11/20$632
This Delta deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/287:00 amYUL - STL
1 stop7h 55mDelta
Sun 12/16:30 amSTL - YUL
1 stop4h 30mDelta
Deal found 11/20$796

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

Customize your flight search to find flights from Pierre Elliott Trudeau Intl to St. Louis 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 2,629,791 searches. Data last updated November 21, 2024.

Fly from

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Fly to

Any airport

Route

Depart

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Price

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Mon 12/9

3:55 pm-3:21 pm

1 stop24h 26m

Lambert-St Louis

Mon 12/16

8:34 pm-4:35 pm

1 stop19h 01m

$333

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Thu 1/9

5:15 pm-12:32 pm

1 stop20h 17m

Lambert-St Louis

Mon 1/13

6:05 am-9:06 pm

1 stop14h 01m

$505

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Thu 1/9

7:30 am-12:50 pm

1 stop6h 20m

Lambert-St Louis

Mon 1/13

7:18 am-4:50 pm

2 stops8h 32m

$529

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Tue 12/24

8:25 am-9:45 pm

2 stops14h 20m

Lambert-St Louis

Thu 1/2

5:00 am-10:32 am

1 stop4h 32m

$625

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Mon 12/16

6:00 am-10:40 am

1 stop5h 40m

Lambert-St Louis

Mon 12/23

5:17 pm-12:40 am

2 stops30h 23m

$632

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sat 12/21

8:15 am-3:06 pm

1 stop7h 51m

$397

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sat 11/30

3:55 pm-4:26 pm

1 stop25h 31m

$410

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sat 11/30

6:45 am-4:29 pm

2 stops10h 44m

$482

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Sat 12/21

6:15 pm-10:47 am

2 stops17h 32m

$498

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Compare providers for flights from Pierre Elliott Trudeau Intl to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Pierre Elliott Trudeau Intl to St. Louis in November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Montreal Pierre Elliott Trudeau Intl Airport-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Montreal Pierre Elliott Trudeau Intl Airport-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Montreal Pierre Elliott Trudeau Intl Airport-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Montreal Pierre Elliott Trudeau Intl Airport-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Montreal Pierre Elliott Trudeau Intl Airport-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Have a flexible travel schedule? Discover the best time to fly to St. Louis 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 St. Louis

Get recent, data-driven insights about flights from Pierre Elliott Trudeau Intl to St. Louis 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 St. Louis?

Currently, September is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis (average of $308). Flying from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis in March is currently the most expensive (average of $357). 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 STL?

Find hourly flight availability from Pierre Elliott Trudeau Intl to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

It’s typically best to fly out from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis in the afternoon. Doing so could potentially save you 31% on the flight price compared to flying in the evening, which is usually more expensive.

Rainfall in St. Louis by month

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

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

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

If weather is an important factor for your trip to St. Louis, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated November 21, 2024.
See what other customers who have flown with Delta, American Airlines and WestJet from Montreal to St. Louis have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,759 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

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

Delta
8.0
Very good
8,759 reviews
Delta
8.0
Very good
8,759 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

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

United Airlines
7.4
Good
9,173 reviews
Delta
8.0
Very good
8,759 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

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

WestJet
7.3
Good
2,810 reviews
Delta
8.0
Very good
8,759 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

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

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,759 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

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

Air Canada
7.0
Good
8,238 reviews
Delta
8.0
Very good
8,759 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

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 St. Louis. 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 into for flights to St. Louis from Montreal Pierre Elliott Trudeau Intl?

    For a flight from Montreal Pierre Elliott Trudeau Intl to St. Louis, you will be flying into Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city. Lambert-St Louis is the only St. Louis airport and it handles 0 inbound flights from Montreal Pierre Elliott Trudeau Intl per day. 1 airline has flights to Lambert-St Louis from Montreal Pierre Elliott Trudeau Intl on a regular basis.

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

    Our cheapest airline available from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis is Delta. Our recent data shows that you can find tickets from as low as $505 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $529 and $625 round-trip.

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

    $397 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on WestJet and United Airlines, with prices starting from $482 and $498, respectively.

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

    No one likes to see their flight delayed. When booking a flight from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis consider choosing Air Canada (54%), Jazz (54%) or United Airlines (54%) as they are the most reliable in getting you off to your destination on time.

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

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

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

    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 St. Louis.

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

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

    Currently, September is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis (average of $308). Flying from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis in March is currently the most expensive (average of $357). 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.

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Alternative routes for Pierre Elliott Trudeau Intl to St. Louis

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Top airline flying from Pierre Elliott Trudeau Intl to St. Louis

Discover the top airline that operate flights from Pierre Elliott Trudeau Intl to St. Louis. 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 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$285Average$714FlexibilityNo cancel feeOn-time67%
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