Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis from $212
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis departing on 7/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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American Airlines flights from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis
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Delta flights from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis
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How to get the cheapest flight ticket from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to St. Louis?
In general, May is the cheapest month to fly from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $448. The month of April is another great option to travel to St. Louis, with average flight prices from Montreal Pierre Elliott Trudeau Intl Airport averaging around $485.
What is the cheapest day to depart on your flight to St. Louis?
The cheapest day to depart on your flight to St. Louis is on a Friday when prices can be found for as low as $256. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $586. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.
What is the cheapest time of day to depart on your flight to St. Louis?
Flying to St. Louis from Montreal Pierre Elliott Trudeau Intl Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $283 when looking at flights departing in the evening. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $593 per ticket.
What is the cheapest Montreal Pierre Elliott Trudeau Intl to Lambert-St Louis flight route?
Fly from Montreal Pierre Elliott Trudeau Intl to Lambert-St Louis for the best Montreal Pierre Elliott Trudeau Intl - Lambert-St Louis flight prices
What cabin class options are available on Montreal Pierre Elliott Trudeau Intl to Lambert-St Louis flights?
There are 3 cabin classes available to choose from on Montreal Pierre Elliott Trudeau Intl to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Montreal Pierre Elliott Trudeau Intl Airport to St. Louis flights?
You could potentially save up to 15% on your flight if you consider stops on a Montreal Pierre Elliott Trudeau Intl Airport to St. Louis flight.
How many flights depart from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis on average per day?
As of June 2025, 1 flights take off from Montreal Pierre Elliott Trudeau Intl Airport and land in St. Louis each day. The most common flight departure time for this route is 6:00PM, with 100% of daily flights taking off in the evening.
How many flights depart from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis on average per week?
As of June 2025, 8 flights take off from Montreal Pierre Elliott Trudeau Intl Airport and land in St. Louis each week. The most common flight departure day for this route is Mon, with 25% of weekly flights taking off on this day.
When to book flights from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis
Cheap Montreal Pierre Elliott Trudeau Intl Airport to St. Louis (YUL to STL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis
Best Price Found | $212 |
|---|---|
Fastest flight time | 2h 47m |
Direct flights | Mon, Tue, Wed, Fri, Sat and Sun |
Airports in St. Louis | 1 airport |
How far is Montreal Pierre Elliott Trudeau Intl to Lambert-St Louis by plane?
A flight from Montreal Pierre Elliott Trudeau Intl to Lambert-St Louis will travel around 963.7 mi. Flights usually cover this in 2h 48m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Lambert-St Louis Airport?
Prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Lambert-St Louis Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Montreal Pierre Elliott Trudeau Intl Airport to Lambert-St Louis Airport?
As of June 2025, there are 2 operators available to choose from for flights from Montreal Pierre Elliott Trudeau Intl Airport to Lambert-St Louis Airport.
How old do you have to be to fly from Montreal Pierre Elliott Trudeau Intl Airport to Lambert-St Louis Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montreal Pierre Elliott Trudeau Intl Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis?
momondo data reveals that the most frequently booked plane model on the route from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis is Canadair (Bombardier) Regional Jet 900, representing 60.00% of all bookings. The subsequent popular model is Airbus A220-300 at 40.00%.
What is the most popular airline from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis?
Based on momondo bookings for flights between Montreal Pierre Elliott Trudeau Intl Airport and St. Louis, the leading airline is Delta, making up 52% of the total bookings. Other popular airlines include Air Canada with 48%.
Best airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis
Compare and see reviews for airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $433 | Free Cancellation | Rating 7.1 9,537 reviews | |||
| PriceFrom $452 | Free Cancellation | Rating 8.0 7,946 reviews |
Air Canada Flights From Montreal Pierre Elliott Trudeau Intl Airport to St. Louis
Air Canada flight deals from Montreal Pierre Elliott Trudeau Intl Airport to St. Louis start from $433 round-trip. Over the 4 Air Canada flights for this route in a normal week, average airfare is usually $542 round-trip - but some users have found much cheaper deals with momondo.
Traveling to a place near St. Louis?
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Why should I use momondo to find a flight deal from Montreal to St. Louis?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis from Montreal.
Can I find flights from Montreal to St. Louis with flexible booking policies on momondo?
momondo does allow users to show only those flights to St. Louis from Montreal which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Montreal to St. Louis?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Montreal to St. Louis.
I’m not ready to book a flight from Montreal to St. Louis right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to St. Louis from Montreal. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.