Cheap flights from Canada to St. Louis from C$ 202
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Canada to St. Louis departing on 10/9. 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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How to get the cheapest flight ticket from Canada 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?
The month of June is, on average, the cheapest month to fly to St. Louis from Canada, with most prices found around C$ 536. If you don’t want to visit St. Louis in June, then you should wait until November to fly from Canada, when ticket prices are also cheap, with an average price of C$ 630.
What is the cheapest day to depart on your flight to St. Louis?
Our data shows that Thursday is the least expensive day to fly to St. Louis. Tickets to fly out on this day can be as low as C$ 596. The most expensive day to fly to St. Louis is Monday, with ticket prices averaging around C$ 744.
What is the cheapest time of day to depart on your flight to St. Louis?
The cheapest time of day to fly to St. Louis is in the morning when flights can be purchased for as low as C$ 534. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 678 on average. Flights to St. Louis from Canada at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.
What is the cheapest Canada to Lambert-St Louis flight route?
Fly from Toronto Pearson Intl to Lambert-St Louis for the best Canada - Lambert-St Louis flight prices
How far in advance should I book a flight to St. Louis?
You are more likely to see cheaper flights to St. Louis from Canada when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around C$ 658 when searching 19 weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Canada for as low as C$ 463 on momondo.
What cabin class options are available on Canada to Lambert-St Louis flights?
There are 1 cabin classes available to choose from on Canada 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.
What is the cheapest airline that flies from Canada to Lambert-St Louis?
Air Canada, Delta, and American Airlines are the most popular carriers operating from Canada to Lambert-St Louis
Which airlines fly to St. Louis?
Air Canada, United Airlines and WestJet are the top three most popular airlines that fly to St. Louis from Canada according to our data. Air Canada is the first choice among our users, with 58% of people opting to fly with this airline when travelling to St. Louis. Keep in mind that there are 4 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.
How many flights depart from Canada to St. Louis on average per day?
As of June 2025, there are 5 flights per day flying from Canada to St. Louis. The most common time of day flights depart is 6:00p.m., with 68% of flights taking off in the evening.
How many flights depart from Canada to St. Louis on average per week?
As of June 2025, 39 flights take off from Canada and land in St. Louis each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.
Cheap Canada to St. Louis flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Canada to St. Louis
Best price found | C$ 202 |
|---|---|
Fastest flight time | 2h 03m |
Direct flights | Every day |
Airports in St. Louis | 1 airport |
When did momondo last update prices for flights from Canada to Lambert-St Louis Airport?
Prices for flights from Canada to Lambert-St Louis Airport are updated daily.
How many operators does momondo search for flights from Canada to Lambert-St Louis Airport?
The number of operators available for flights from Canada to Lambert-St Louis Airport is 4 as of June 2025.
How old do you have to be to fly from Canada to Lambert-St Louis Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Canada 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 Canada to St. Louis?
Based on momondo bookings for flights between Canada and St. Louis, the leading plane model is Canadair (Bombardier) Regional Jet 900, making up 56.35% of the total bookings. Other popular models include Airbus A220-300 with 38.75%, Airbus A319 with 1.34%, and Airbus A320-100/200 with 1.34%.
Best airlines flying from Canada to St. Louis
Compare and see reviews for airlines that fly from Canada to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 324 | Free Cancellation | Rating 7.1 9,553 reviews | |||
| PriceFrom C$ 335 | Free Cancellation | Rating 7.2 2,873 reviews | |||
| PriceFrom C$ 359 | Free Cancellation | Rating 7.4 8,801 reviews | |||
| PriceFrom C$ 360 | Free Cancellation | Rating 8.0 7,963 reviews |
Travelling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Canada to St. Louis?
Finding the right flight to St. Louis from Canada is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to St. Louis quick and easy, saving you time and money.
Can I find flights from Canada to St. Louis with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Canada to St. Louis flights to just show those with flexible booking policies.
How can momondo help me find flights from Canada 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 Canada to St. Louis.
I’m not ready to book a flight from Canada to St. Louis right now. Can momondo alert me if prices change?
Price alerts on flights to St. Louis from Canada are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.