Question 1

How much does a flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) cost?

Accepted Answer

One-way flights typically cost between £398 and £1,244 and return flights often range between £946 and £2,111. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.

Question 2

What is the cheapest month to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?

Accepted Answer

May is typically the cheapest month to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.), with average return fares of approximately £796. This is about 14% lower than the average price throughout the year. May often sees lower prices as it's just before the peak summer travel season, when demand and prices tend to rise. Other cheap months to fly from St. Louis, MO (STL-Lambert-St Louis Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) include April and September.

Question 3

Which airlines fly direct from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?

Accepted Answer

Enter STL to YUL and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

Question 4

How do I find cheap flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?

Accepted Answer

To find a cheap flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

Question 5

What is the best airline to fly with from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?

Accepted Answer

The best airline to fly with from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) will differ from traveller to traveller. If you like to fly early, AC offers early morning flights. If price is the most important factor, AC typically offers the lowest fares. UA offers the most daily flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.), which is brilliant if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.

Question 6

What is the best time to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?

Accepted Answer

When looking for the best time to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.), it's helpful to consider both price and popularity. Based on booking data from the past year, the cheapest months to fly are typically May and September, with average return flights around £796. However, the most popular months for this route are November and December. Since there isn't an overlap between the cheapest and most popular months, you'll need to decide what's most important for your trip. If saving money is your priority, aim for May or September. If you prefer to travel when more flights are available and the destination is bustling, November and December might be better, though you should expect to pay more.

Question 7

How many flights per day from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?

Accepted Answer

There are approximately 49 connecting flights per day from Lambert-St. Louis Intl. (STL) to Pierre Elliott Trudeau Intl. (YUL). Some common connection points include O'Hare Intl. (ORD), Pearson Intl. (YYZ), and Hartsfield-Jackson Atlanta Intl. (ATL).

Question 8

What is the earliest flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?

Accepted Answer

The earliest flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) typically departs at approximately 5:00 AM local time, operated by American Airlines. This is a seasonal service active in November and December. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

Question 9

What day of the week has the most flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?

Accepted Answer

For flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.), you'll typically find the most options on a Monday, with around 45 flights available. This gives you a good selection for your travel plans. Major airlines on this route include Delta Air Lines, United Airlines, and American Airlines. While Monday is the busiest, flight schedules are fairly consistent throughout the week, with only a slight variation compared to other days.

Question 10

What are the most popular departure times for flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?

Accepted Answer

The most popular departure times for flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) are in the early morning, from 6am to 9am. This accounts for around 45% of total traffic. Many major carriers, including Delta Air Lines, American Airlines and United Airlines, offer flights during this window. Many travellers prefer these early flights as they allow you to arrive at your destination with plenty of time to settle in or start your day.

Question 11

How long does it take to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?

Accepted Answer

Flying nonstop from STL to YUL takes around 2 hours 30 minutes, with the route covering approximately 967 miles. Flights with a layover typically take 2 hours 30 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.

Question 12

Can you fly business or first class from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?

Accepted Answer

Select the "Business class" and "First class" filters when looking for STL to YUL flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.

Question 13

How do I earn miles on a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) flight with Expedia?

Accepted Answer

It's easy to earn miles on a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

Question 14

What airports do you fly into for Montreal from Lambert-St. Louis Intl. (STL)?

Accepted Answer

If you're planning to travel to Montreal from Lambert-St. Louis Intl. (STL), you can fly directly into Pierre Elliott Trudeau Intl.  (YUL) Some flights may connect through major hubs like O'Hare Intl. (ORD), Pearson Intl. (YYZ), Detroit Metropolitan Wayne County (DTW) before reaching Montreal. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Question 15

Is it cheaper to buy a plane ticket from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) at the last minute?

Accepted Answer

Typically, booking a last minute flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Question 16

Is it cheaper to book a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) flight and hotel package?

Accepted Answer

Securing a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

Question 17

Can I cancel or change the date of my flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?

Accepted Answer

If you booked your St. Louis, MO (STL-Lambert-St. Louis Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Origin airport	Lambert-St. Louis Intl.
Destination airport	Pierre Elliott Trudeau Intl.
Return price	£378
Distance	1547 km
Average flight time	5 hours 14 mins

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