Cheap flights from St. Louis (STL) to Toronto (YTO)

STL — YTO
Feb 7 — Feb 141

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 inSeptemberHigh demand for flights, 18% potential price rise
Cheapest inOctoberBest time to find cheap flights, 31% potential price drop
Round-trip from$314From Lambert-St Louis to Toronto (YTO)
One-way from$221One-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
Mar 1 - Mar 8
STL

Lambert-St Louis

YYZ

Toronto Pearson Intl

1 stop

11h 30m
YYZ

Toronto Pearson Intl

STL

Lambert-St Louis

2 stops

13h 59m
$282

Multiple Airlines

Pick Dates

Deal found 1/30

Feb 7 - Mar 28
STL

Lambert-St Louis

YYZ

Toronto Pearson Intl

1 stop

19h 55m
YYZ

Toronto Pearson Intl

STL

Lambert-St Louis

2 stops

12h 55m
$283

Multiple Airlines

Pick Dates

Deal found 2/1

Feb 15 - Feb 28
STL

Lambert-St Louis

YYZ

Toronto Pearson Intl

1 stop

7h 45m
YYZ

Toronto Pearson Intl

STL

Lambert-St Louis

1 stop

9h 22m
$339

Multiple Airlines

Pick Dates

Deal found 2/1

St. Louis to Toronto 2023 flight deals

Cheap flights to Toronto from St. Louis found for this year
Mar 1 - Mar 8
STL

Lambert-St Louis

YYZ

Toronto Pearson Intl

1 stop

11h 30m
YYZ

Toronto Pearson Intl

STL

Lambert-St Louis

2 stops

13h 59m
$282

Multiple Airlines

Pick Dates

Deal found 1/30

Feb 7 - Mar 28
STL

Lambert-St Louis

YYZ

Toronto Pearson Intl

1 stop

19h 55m
YYZ

Toronto Pearson Intl

STL

Lambert-St Louis

2 stops

12h 55m
$283

Multiple Airlines

Pick Dates

Deal found 2/1

Feb 15 - Feb 28
STL

Lambert-St Louis

YYZ

Toronto Pearson Intl

1 stop

7h 45m
YYZ

Toronto Pearson Intl

STL

Lambert-St Louis

1 stop

9h 22m
$339

Multiple Airlines

Pick Dates

Deal found 2/1

Cheap American Airlines flights from St. Louis to Toronto

Mar 12 - Mar 18
STL

Lambert-St Louis

YYZ

Toronto Pearson Intl

1 stop

15h 00m
YYZ

Toronto Pearson Intl

STL

Lambert-St Louis

1 stop

5h 24m
$436

American Airlines

Pick Dates

Deal found 1/30

Apr 6 - Apr 10
STL

Lambert-St Louis

YYZ

Toronto Pearson Intl

1 stop

8h 25m
YYZ

Toronto Pearson Intl

STL

Lambert-St Louis

1 stop

9h 13m
$454

American Airlines

Pick Dates

Deal found 2/2

Apr 3 - Apr 13
STL

Lambert-St Louis

YYZ

Toronto Pearson Intl

1 stop

6h 14m
YYZ

Toronto Pearson Intl

STL

Lambert-St Louis

1 stop

12h 53m
$455

American Airlines

Pick Dates

Deal found 1/31

Cheap Air Canada flights from St. Louis to Toronto

Feb 27 - Mar 3
STL

Lambert-St Louis

YYZ

Toronto Pearson Intl

Nonstop

1h 36m
YYZ

Toronto Pearson Intl

STL

Lambert-St Louis

Nonstop

2h 06m
$427

Air Canada

Pick Dates

Deal found 2/1

Apr 3 - Apr 8
STL

Lambert-St Louis

YYZ

Toronto Pearson Intl

Nonstop

1h 59m
YYZ

Toronto Pearson Intl

STL

Lambert-St Louis

Nonstop

2h 09m
$476

Air Canada

Pick Dates

Deal found 2/2

Feb 11 - Feb 14
STL

Lambert-St Louis

YYZ

Toronto Pearson Intl

Nonstop

1h 36m
YYZ

Toronto Pearson Intl

STL

Lambert-St Louis

Nonstop

2h 02m
$792

Air Canada

Pick Dates

Deal found 1/31

Non-stop flights to Toronto from St. Louis

Save time with St. Louis to Toronto direct flight deals
Feb 27 - Mar 6
STL

Lambert-St Louis

YYZ

Toronto Pearson Intl

Nonstop

1h 36m
YYZ

Toronto Pearson Intl

STL

Lambert-St Louis

Nonstop

2h 06m
$414

Multiple Airlines

Pick Dates

Deal found 1/30

Feb 27 - Mar 3
STL

Lambert-St Louis

YYZ

Toronto Pearson Intl

Nonstop

1h 36m
YYZ

Toronto Pearson Intl

STL

Lambert-St Louis

Nonstop

2h 06m
$427

Air Canada

Pick Dates

Deal found 2/1

Feb 23 - Mar 4
STL

Lambert-St Louis

YYZ

Toronto Pearson Intl

Nonstop

1h 36m
YYZ

Toronto Pearson Intl

STL

Lambert-St Louis

Nonstop

2h 06m
$433

Multiple Airlines

Pick Dates

Deal found 1/30

Last minute flights from St. Louis to Toronto

Late deals on return flights to Toronto from St. Louis, departing today and this week
Feb 7 - Mar 28
STL

Lambert-St Louis

YYZ

Toronto Pearson Intl

1 stop

19h 55m
YYZ

Toronto Pearson Intl

STL

Lambert-St Louis

2 stops

12h 55m
$283

Multiple Airlines

Pick Dates

Deal found 2/1

Feb 11 - Feb 28
STL

Lambert-St Louis

YYZ

Toronto Pearson Intl

1 stop

10h 15m
YYZ

Toronto Pearson Intl

STL

Lambert-St Louis

1 stop

9h 22m
$439

Multiple Airlines

Pick Dates

Deal found 2/1

Feb 11 - Feb 28
STL

Lambert-St Louis

YYZ

Toronto Pearson Intl

2 stops

11h 41m
YYZ

Toronto Pearson Intl

STL

Lambert-St Louis

1 stop

6h 33m
$453

Multiple Airlines

Pick Dates

Deal found 2/1

One-way flights to Toronto from St. Louis

The cheapest one-way flights from St. Louis to Toronto
Feb 14
STL

Lambert-St Louis

YYZ

Toronto Pearson Intl

1 stop

19h 55m
$112

Multiple Airlines

Pick Dates

Deal found 2/2

Feb 12
STL

Lambert-St Louis

YYZ

Toronto Pearson Intl

1 stop

19h 55m
$113

Multiple Airlines

Pick Dates

Deal found 1/31

Feb 13
STL

Lambert-St Louis

YYZ

Toronto Pearson Intl

1 stop

22h 44m
$119

Multiple Airlines

Pick Dates

Deal found 2/2

Reviews of Airlines Servicing Toronto

Delta
7.9
Good
2,050 reviews

Food

7.2

Overall

7.9

Boarding

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 10

The flight attendants announced the food and beverage options before starting their service and I felt like it went much smoother and quicker.

Delta
7.9
Good
2,050 reviews
Delta
7.9
Good
2,050 reviews

Food

7.2

Overall

7.9

Boarding

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 10

The flight attendants announced the food and beverage options before starting their service and I felt like it went much smoother and quicker.

United Airlines
7.6
Good
1,189 reviews
Delta
7.9
Good
2,050 reviews

Food

7.2

Overall

7.9

Boarding

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 10

The flight attendants announced the food and beverage options before starting their service and I felt like it went much smoother and quicker.

American Airlines
7.4
Good
1,668 reviews
Delta
7.9
Good
2,050 reviews

Food

7.2

Overall

7.9

Boarding

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 10

The flight attendants announced the food and beverage options before starting their service and I felt like it went much smoother and quicker.

Air Canada
6.6
Okay
649 reviews
Delta
7.9
Good
2,050 reviews

Food

7.2

Overall

7.9

Boarding

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 10

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.

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.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Air CanadaCheapest$191Average$288FlexibilityNo cancel feeOn-time67%COVID-19 safety
Search Air Canada flights
United AirlinesCheapest$193Average$502FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
American AirlinesCheapest$281Average$552FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights

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 departuresEarly morningMidnight to 6 am
100%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

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
Sunday1daily flight
Monday2daily flights
Tuesday2daily flights
Wednesday2daily flights
Thursday0daily flights
Friday0daily flights
Saturday1daily flight
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