C$ 248 Find Cheap Flights from Toronto to St. Louis – Compare and Save

For Toronto to St. Louis, Wednesday is the cheapest day to fly on average and Monday is the most expensive. Flying from St. Louis back to Toronto, the best deals are generally found on Saturday, with Thursday being the most expensive.

The cheapest month for flights from Toronto Pearson Intl Airport to St. Louis is January, where tickets cost C$ 581 (return) on average. On the other hand, the most expensive months are April and June, where the average cost of round-trip tickets is C$ 1,102 and C$ 820 respectively.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at C$ 647 on average.

To get a below average price on the flight from Toronto Pearson Intl Airport to St. Louis, you should book around 4 weeks before departure, which saves you about 51% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 21 weeks before departure.

In the past 5 days, the cheapest round-trip tickets from Toronto to St. Louis were found on American Airlines (C$ 454) and Delta (C$ 612).

There are 2 airlines that fly direc from Toronto Pearson Intl Airport to St. Louis. They are Air Canada and United Airlines. The cheapest airline for this route is United Airlines, with the best round-trip deal found costing C$ 337. On average, the best prices for this route can be found at United Airlines.

Chicago (ORD) is the top choice – 92% of KAYAK users who clicked on one-stop flights from Toronto to St. Louis picked an itinerary connecting there.

Flights via Chicago (ORD) offer the most affordable fares, with an average round-trip price of C$ 560.

Consider flying via Detroit (DTW) for the shortest journey. The average one-way travel time for flights connecting there is 4h 41m.

If you prefer a quick connection, Detroit (DTW) often has the shortest layovers from Toronto to St. Louis, with an average of 1h 03m.

There are 3 cabin class options for the route. These are First, Business and Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Each day, there are 2 nonstop flights that take off from Toronto Pearson Intl Airport and land in St. Louis, with an average flight time of 2h 06m. The most common departure time is 7:00 p.m. and most flights take off in the evening. Each week, there are 14 flights and there are the same amount of flights each day (2).