Cheap flights from St. Louis (STL) to Toronto (YTO)
The best prices from Lambert-St Louis to Toronto are usually found in October or February, booked 60 days in advance, depart on a Sunday or Tuesday and return on a Sunday
How to find the cheapest flight from St. Louis (STL) to Toronto (YTO)
All the information you need to plan the best STL to YTO flight in 2023: compare St. Louis to Toronto flight prices with the expected peak season, weather and rainfall in Toronto.
STL - YTO Price | $314 - $556 |
|---|---|
YTO Temperature | 21.2 - 69.8 °F |
YTO Rainfall | 2 - 3.3 inches |
| Popular in | September | High demand for flights, 18% potential price rise |
|---|---|---|
| Cheapest in | October | Best time to find cheap flights, 31% potential price drop |
| Round-trip from | $314 | From Lambert-St Louis to Toronto (YTO) |
| One-way from | $221 | One-way flight from Lambert-St Louis to Toronto (YTO) |
What is the cheapest day to fly round-trip from St. Louis to Toronto?
Users have found that leaving on a Saturday can be a cost-effective option. It’s possible to save up to 64% on your flight compared to booking on days when demand is much higher.
How far in advance should I book a flight from St. Louis to Toronto?
To save up to 77% on this flight, we recommend booking at least 59 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from St. Louis to Toronto from $615 1-2 weeks out and tickets from $751 for flights departing within the next 72 hours.
What is the cheapest month to fly from St. Louis to Toronto?
October can be a great time to fly to Toronto from St. Louis with a flight ticket averaging about $457. Cheapflights users have found deals in the month of October for as cheap as $224. The most expensive prices can be found in the month of September.
When is the cheapest time to fly from St. Louis to Toronto (STL - YTO)?
It’s typically best to fly out from St. Louis to Toronto at noon. Doing so could potentially save you 45% on the flight price compared to flying in the morning, which is usually more expensive.
Cheap flights from St. Louis to Toronto in February, March 2023
The best prices found for STL to YTO flights for February, March
Lambert-St Louis
Toronto Pearson Intl
1 stop
11h 30mToronto Pearson Intl
Lambert-St Louis
2 stops
13h 59mMultiple Airlines
Lambert-St Louis
Toronto Pearson Intl
1 stop
19h 55mToronto Pearson Intl
Lambert-St Louis
2 stops
12h 55mMultiple Airlines
Lambert-St Louis
Toronto Pearson Intl
1 stop
7h 45mToronto Pearson Intl
Lambert-St Louis
1 stop
9h 22mMultiple Airlines
St. Louis to Toronto 2023 flight deals
Cheap flights to Toronto from St. Louis found for this year
Lambert-St Louis
Toronto Pearson Intl
1 stop
11h 30mToronto Pearson Intl
Lambert-St Louis
2 stops
13h 59mMultiple Airlines
Lambert-St Louis
Toronto Pearson Intl
1 stop
19h 55mToronto Pearson Intl
Lambert-St Louis
2 stops
12h 55mMultiple Airlines
Lambert-St Louis
Toronto Pearson Intl
1 stop
7h 45mToronto Pearson Intl
Lambert-St Louis
1 stop
9h 22mMultiple Airlines
Cheap American Airlines flights from St. Louis to Toronto
Lambert-St Louis
Toronto Pearson Intl
1 stop
15h 00mToronto Pearson Intl
Lambert-St Louis
1 stop
5h 24mAmerican Airlines
Lambert-St Louis
Toronto Pearson Intl
1 stop
8h 25mToronto Pearson Intl
Lambert-St Louis
1 stop
9h 13mAmerican Airlines
Lambert-St Louis
Toronto Pearson Intl
1 stop
6h 14mToronto Pearson Intl
Lambert-St Louis
1 stop
12h 53mAmerican Airlines
Cheap Air Canada flights from St. Louis to Toronto
Lambert-St Louis
Toronto Pearson Intl
Nonstop
1h 36mToronto Pearson Intl
Lambert-St Louis
Nonstop
2h 06mAir Canada
Lambert-St Louis
Toronto Pearson Intl
Nonstop
1h 59mToronto Pearson Intl
Lambert-St Louis
Nonstop
2h 09mAir Canada
Lambert-St Louis
Toronto Pearson Intl
Nonstop
1h 36mToronto Pearson Intl
Lambert-St Louis
Nonstop
2h 02mAir Canada
Non-stop flights to Toronto from St. Louis
Save time with St. Louis to Toronto direct flight deals
Lambert-St Louis
Toronto Pearson Intl
Nonstop
1h 36mToronto Pearson Intl
Lambert-St Louis
Nonstop
2h 06mMultiple Airlines
Lambert-St Louis
Toronto Pearson Intl
Nonstop
1h 36mToronto Pearson Intl
Lambert-St Louis
Nonstop
2h 06mAir Canada
Lambert-St Louis
Toronto Pearson Intl
Nonstop
1h 36mToronto Pearson Intl
Lambert-St Louis
Nonstop
2h 06mMultiple Airlines
Last minute flights from St. Louis to Toronto
Late deals on return flights to Toronto from St. Louis, departing today and this week
Lambert-St Louis
Toronto Pearson Intl
1 stop
19h 55mToronto Pearson Intl
Lambert-St Louis
2 stops
12h 55mMultiple Airlines
Lambert-St Louis
Toronto Pearson Intl
1 stop
10h 15mToronto Pearson Intl
Lambert-St Louis
1 stop
9h 22mMultiple Airlines
Lambert-St Louis
Toronto Pearson Intl
2 stops
11h 41mToronto Pearson Intl
Lambert-St Louis
1 stop
6h 33mMultiple Airlines
One-way flights to Toronto from St. Louis
The cheapest one-way flights from St. Louis to Toronto
Lambert-St Louis
Toronto Pearson Intl
1 stop
19h 55mMultiple Airlines
Lambert-St Louis
Toronto Pearson Intl
1 stop
19h 55mMultiple Airlines
Lambert-St Louis
Toronto Pearson Intl
1 stop
22h 44mMultiple Airlines
Reviews of Airlines Servicing Toronto
Food
Overall
Boarding
Comfort
Crew
Entertainment
Reviews
The flight attendants announced the food and beverage options before starting their service and I felt like it went much smoother and quicker.
Food
Overall
Boarding
Comfort
Crew
Entertainment
Reviews
The flight attendants announced the food and beverage options before starting their service and I felt like it went much smoother and quicker.
Food
Overall
Boarding
Comfort
Crew
Entertainment
Reviews
The flight attendants announced the food and beverage options before starting their service and I felt like it went much smoother and quicker.
Food
Overall
Boarding
Comfort
Crew
Entertainment
Reviews
The flight attendants announced the food and beverage options before starting their service and I felt like it went much smoother and quicker.
Food
Overall
Boarding
Comfort
Crew
Entertainment
Reviews
The flight attendants announced the food and beverage options before starting their service and I felt like it went much smoother and quicker.
Related info for your journey
Useful info, stats and facts about St. Louis to Toronto flights.
What airport do you fly from for flights from St. Louis to Toronto?
Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to Toronto. You should not have trouble finding flights to Toronto from Lambert-St Louis; the airport handles an average of 1 outbound flight to Toronto per day. You should also have plenty of airline options to choose from since 4 airlines have flights from the St. Louis airport to Toronto. It is only a 12.7 mi journey to Lambert-St Louis (STL) from St. Louis’s city center.
Which airlines flying from Lambert-St Louis to Toronto have flexible cancellations due to COVID-19?
Some of our airline partners flying from Lambert-St Louis to Toronto have new flexible policies in place due to COVID-19. Air Canada, American Airlines, and United Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Air Canada with this kind of flexibility.
Can I find flights from St. Louis to Toronto for under $400 on Cheapflights?
Yes, there are multiple flights from St. Louis to Toronto for under $400. The cheapest flight booked recently is on Multiple Airlines for just $339, but on average you can expect to pay $423.
Are there nonstop flights from St. Louis to Toronto for under $500 on Cheapflights?
Cheapflights has at least 20 direct flights from St. Louis to Toronto under $500. A good price for a nonstop flight from St. Louis to Toronto is less than $490.
Are there last-minute flights available from St. Louis to Toronto for under $300?
There are currently 19+ open flights from St. Louis to Toronto within the next 7 days for less than $300.
What are the cheapest airlines flying from St. Louis to Toronto round-trip?
Our cheapest airline available from St. Louis to Toronto is Air Canada. Our recent data shows that you can find tickets from as low as $427 on this airline. An additional option worth looking into is American Airlines, starting at $436. Air Canada is currently priced 6% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from St. Louis to Toronto one-way?
$204 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on United Airlines and American Airlines, with prices starting from $215 and $216, respectively.
What are the most popular airlines that fly from St. Louis to Toronto?
Consider American Airlines, Air Canada or Delta when booking your flight. These represent the most popular airlines when flying from St. Louis to Toronto.
What are the most reliable airlines from St. Louis to Toronto?
Consider Air Canada (18%), Jazz (18%) or United Airlines (18%) when booking your flight. These represent the most reliable airlines when flying from St. Louis to Toronto.
What are the cheapest flights from St. Louis to Toronto?
The cheapest flight price from St. Louis to Toronto is $230. On average you can expect to pay $1,896. The most popular route, (Lambert-St Louis - Toronto Pearson Intl), can usually be booked for $283.
Other flights from St. Louis
Alternative routes for St. Louis to Toronto
See prices for flight routes from nearby airports that may be better suited for you.
Top 3 airlines flying from St. Louis to Toronto
The chart below displays the airlines Cheapflights users traveling from St. Louis to Toronto choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Hourly flight availability from St. Louis to Toronto
See what time of day planes typically take off from St. Louis to Toronto
| 0%of flight departures | Early morningMidnight to 6 am |
|---|---|
| 100%of flight departures | Morning6 am to noon |
| 0%of flight departures | AfternoonNoon to 6 pm |
| 0%of flight departures | Evening6 pm to midnight |
Weekly flight availability from St. Louis to Toronto
See how many times per day planes take to the skies headed from St. Louis to Toronto
| Sunday | 1daily flight |
|---|---|
| Monday | 2daily flights |
| Tuesday | 2daily flights |
| Wednesday | 2daily flights |
| Thursday | 0daily flights |
| Friday | 0daily flights |
| Saturday | 1daily flight |