How long does a flight from Toronto to St. Louis take?

A direct flight to St. Louis will take on average 2h 06m to travel the 653 miles flying distance from Toronto. Visit our flight page for the latest deals!>/a>

How many flights are there between Toronto Pearson Intl Airport and St. Louis per day?

Each day, there are between 1 and 2 nonstop flights that take off from Toronto Pearson Intl Airport and land in St. Louis, with an average flight time of 2h 09m. The most common departure time is 6:00 pm and most flights take off in the evening. Each week, there are 11 flights. The most frequent day of departure is Thursday, when 18% of all weekly flights depart. The fewest flights depart on a Monday. Visit our flight page for the latest deals!>/a>

What is the cheapest flight from Toronto Pearson Intl Airport to St. Louis?

In the last 3 days, the lowest price for a flight from Toronto Pearson Intl Airport to St. Louis was $154 for a one-way ticket and $299 for a round-trip. Visit our flight page for the latest deals!>/a>

Do I need a passport to fly between Toronto and St. Louis?

A passport is required to fly from Toronto to St. Louis. Visit our flight page for the latest deals!>/a>

What’s the earliest departure time from Toronto to St. Louis?

Early birds can take the earliest flight from Toronto Pearson Intl Airport at 11:30 am and will be landing in St. Louis at 12:36 pm.

Which airlines fly non-stop between Toronto Pearson Intl Airport and St. Louis?

There is just one airline that flies from Toronto Pearson Intl Airport to St. Louis direct and that is Air Canada . The best round-trip deal found from Air Canada for the route is $356.

Which airlines offer Wi-Fi service onboard planes from Toronto to St. Louis?

Air Canada, and United Airlines offer inflight Wi-Fi service on the Toronto to St. Louis flight route.

Which aircraft models fly most regularly from Toronto to St. Louis?

The Canadair (Bombardier) Regional Jet 900 is the aircraft model that flies most regularly on the Toronto to St. Louis flight route.

Which airline alliances offer flights from Toronto to St. Louis?

Star Alliance is the only airline alliance operating flights between Toronto and St. Louis.

On which days can I fly direct from Toronto to St. Louis?

There are nonstop flights from Toronto to St. Louis on a daily basis.

How does KAYAK find such low prices on flights from Toronto to St. Louis?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Toronto to St. Louis. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Toronto to St. Louis?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Toronto is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Toronto to St. Louis?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Toronto with another airline. Booking your flights between Toronto and STL can sometimes prove cheaper using this method. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Toronto to St. Louis?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Toronto up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

Which cabin class options are there for flights between Toronto Pearson Intl Airport and St. Louis?

There are 2 cabin class options for the route. These are Economy and Prem Economy . Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Which airlines provide the cheapest flights from Toronto to St. Louis?

In the past 3 days, the cheapest round-trip tickets from Toronto to St. Louis were found on American Airlines ($330) and Air Canada ($333).

$154 CHEAP FLIGHTS from Toronto to St. Louis (YYZ - STL)

YYZ - STL

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Cheap Flights from Toronto to St. Louis

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Toronto to St. Louis that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Toronto to St. Louis

KAYAK's recommended round-trip deals from the most popular airlines that fly from Toronto to St. Louis.

Discover the best prices for you by selecting your travel dates on KAYAK.

Choose your dates

6:55 am - 9:05 pmYYZ-STL

15h 10m2 stops

5:45 pm - 1:59 pmSTL-YYZ

19h 14m1 stop

$299

Find Deal

Fri, May 9 - Tue, May 13

4:00 pm - 12:06 amYYZ-STL

9h 06m1 stop

9:50 am - 9:08 pmSTL-YYZ

10h 18m2 stops

$322

Find Deal

Tue, May 13 - Fri, May 16

6:30 am - 1:07 pmYYZ-STL

7h 37m1 stop

6:00 am - 2:30 pmSTL-YYZ

7h 30m1 stop

$330American Airlines

Find Deal

Thu, May 15 - Tue, May 27

6:30 pm - 7:43 pmYYZ-STL

2h 13mnonstop

7:30 am - 10:25 amSTL-YYZ

1h 55mnonstop

$333Air Canada

Find Deal

Wed, May 21 - Tue, May 27

2:15 pm - 3:18 pmYYZ-STL

2h 03mnonstop

9:15 am - 12:11 pmSTL-YYZ

1h 56mnonstop

$334Air Canada

Find Deal

Fri, Sep 5 - Mon, Sep 8

11:30 am - 6:01 pmYYZ-STL

7h 31m1 stop

3:50 pm - 11:14 pmSTL-YYZ

6h 24m1 stop

$363Delta

Find Deal

Thu, May 22 - Sun, May 25

3:10 pm - 9:52 pmYYZ-STL

7h 42m1 stop

5:00 am - 10:51 amSTL-YYZ

4h 51m1 stop

$366American Airlines

Find Deal

Tue, May 13 - Fri, May 16

11:30 am - 6:01 pmYYZ-STL

7h 31m1 stop

6:00 am - 11:40 amSTL-YYZ

4h 40m1 stop

$374Delta

Find Deal

Thu, May 22 - Sun, May 25

11:30 am - 12:36 pmYYZ-STL

2h 06mnonstop

5:00 am - 9:16 pmSTL-YYZ

15h 16m1 stop

$406United Airlines

Find Deal

Fri, Jun 6 - Fri, Jun 13

11:00 am - 2:53 pmYYZ-STL

4h 53m1 stop

5:00 am - 9:16 pmSTL-YYZ

15h 16m1 stop

$411United Airlines

Find Deal

Fri, Jun 6 - Fri, Jun 13

Expert advice for your flight from Toronto to St. Louis

Snippets provided in this section are AI-generated based on a summarization of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.

KAYAK teamed up with top travel experts to share the best tips for your journey.

Airlines

United Airlines

United's Economy Plus offers up to six inches more legroom than standard economy seats.

Purchase Priority Boarding to ensure overhead bin space and avoid gate-checking your carry-on.

Read more about United Airlinesby Stefanie Waldek

Air Canada

Air Canada's Business Class offers spacious recliners with plenty of legroom in a 2-2 configuration.

Preferred Economy seats offer up to four extra inches of legroom for an additional fee.

Read more about Air Canadaby Stefanie Waldek

Airports

YYZ

Toronto Pearson offers YYZ Express to pre-book security screening time slots, saving time during busy periods. Book online up to 72 hours before your flight.

STL

Use MetroLink for convenient access from STL to downtown St. Louis, avoiding rush hour traffic. The Red Line connects the airport to key city areas.

Our travel experts

Stefanie Waldek

Expert on United Airlines, Air Canada and YYZ

Yulia Denisyuk

Expert on STL

KAYAK's insights & trends for Toronto to St. Louis flights

Get data-powered insights and trends into flights from Toronto to St. Louis to help you find the cheapest flights, the best time to fly and much more.

Prices

Airlines

If your flying dates are flexible, you should consider flying to St. Louis on a Thursday, as we generally find the cheapest rates on that day for this route. On the other hand, Sunday is the most expensive day to fly from Toronto to St. Louis. For your return ticket, we recommend flying on a Thursday and avoiding Wednesdays for the best deals.

What is the cheapest month to fly from Toronto Pearson Intl Airport to St. Louis?

The cheapest month for flights from Toronto Pearson Intl Airport to St. Louis is May, where tickets cost $434 (return) on average. On the other hand, the most expensive months are December and September, where the average cost of round-trip tickets is $552 and $545 respectively.

How far in advance should I book a flight from Toronto Pearson Intl Airport to St. Louis?

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. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

Find deals

Low season	September
High season	December
Cheapest flight	$154

Best time to beat the crowds but there is an average 10% increase in price.

Most popular time to fly with an average 11% increase in price.

Flight from Toronto to St. Louis

When to book flights from Toronto to St. Louis

Are your dates flexible? Find out the best times to travel from Toronto to St. Louis based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What is the cheapest flight from Toronto Pearson Intl Airport to St. Louis?
In the last 3 days, the lowest price for a flight from Toronto Pearson Intl Airport to St. Louis was $154 for a one-way ticket and $299 for a round-trip.
Do I need a passport to fly between Toronto and St. Louis?
A passport is required to fly from Toronto to St. Louis.
Which airlines offer Wi-Fi service onboard planes from Toronto to St. Louis?
Air Canada, and United Airlines offer inflight Wi-Fi service on the Toronto to St. Louis flight route.
Which aircraft models fly most regularly from Toronto to St. Louis?
The Canadair (Bombardier) Regional Jet 900 is the aircraft model that flies most regularly on the Toronto to St. Louis flight route.
Which airline alliances offer flights from Toronto to St. Louis?
Star Alliance is the only airline alliance operating flights between Toronto and St. Louis.
On which days can I fly direct from Toronto to St. Louis?
There are nonstop flights from Toronto to St. Louis on a daily basis.
How does KAYAK find such low prices on flights from Toronto to St. Louis?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Toronto to St. Louis.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Toronto to St. Louis?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Toronto is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Toronto to St. Louis?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Toronto with another airline. Booking your flights between Toronto and STL can sometimes prove cheaper using this method.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Toronto to St. Louis?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Toronto up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Looking for a cheap flight? 25% of our users found flights on this route for $310 or less one-way and $214 or less round-trip.

Direct departures

Toronto Pearson Intl to Lambert-St Louis

Monday

Air Canada, United Airlines

Tuesday

Air Canada, United Airlines

Wednesday

Air Canada, United Airlines

Thursday

Air Canada, United Airlines

Friday

Air Canada, United Airlines

Saturday

Air Canada, United Airlines

Sunday

Air Canada, United Airlines

See more direct flights

Direct returns

Lambert-St Louis to Toronto Pearson Intl

Monday

Air Canada, United Airlines

Tuesday

Air Canada, United Airlines

Wednesday

Air Canada, United Airlines

Thursday

Air Canada, United Airlines

Friday

Air Canada, United Airlines

Saturday

Air Canada, United Airlines

Sunday

Air Canada, United Airlines

See more direct flights

Top airline flying from Toronto to St. Louis

See real verified KAYAK customer reviews for airlines flying from Toronto to St. Louis. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.

Need help choosing which airline to fly with from Toronto to St. Louis? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.

7.0

Air CanadaOverall score based on 9192 reviews

6.3Food

7.0Comfort

6.8Entertainment

7.3Boarding

7.8Crew

Airline reviews

Overall good experience. The flight from Toronto to Denver does not have entertainment - movies to watch.

10.0 ExcellentAnonymous, Apr 2025YYZ - DEN

Everything you need to know for your flight from Toronto to St. Louis

Information on your arrival and departure airports

St. Louis (STL)

Toronto (YYZ)

Cabin class types available on flights to St. Louis

First Class flights from Toronto Pearson Intl Airport to St. Louis

Business Class flights from Toronto Pearson Intl Airport to St. Louis

Prem Econ Class flights from Toronto Pearson Intl Airport to St. Louisfrom $754

Economy Class flights from Toronto Pearson Intl Airport to St. Louisfrom $213

YYZ - STL

$154 Find Cheap Flights from Toronto to St. Louis

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Toronto to St. Louis departing on 5/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.

KAYAK searches hundreds of travel sites at once for deals on flights to St. Louis

Cheap Flights from Toronto to St. Louis

Recent round-trip flight deals from Toronto to St. Louis

Recent one-way flight deals from Toronto to St. Louis

Recent last minute flight deals from Toronto to St. Louis

Recent direct flight deals from Toronto to St. Louis

Expert advice for your flight from Toronto to St. Louis

Airlines

United Airlines

Air Canada

Airports

YYZ

STL

Our travel experts

KAYAK's insights & trends for Toronto to St. Louis flights

Get data-powered insights and trends into flights from Toronto to St. Louis to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Toronto to St. Louis?

What is the cheapest month to fly from Toronto Pearson Intl Airport to St. Louis?

The cheapest month for flights from Toronto Pearson Intl Airport to St. Louis is May, where tickets cost $434 (return) on average. On the other hand, the most expensive months are December and September, where the average cost of round-trip tickets is $552 and $545 respectively.

How far in advance should I book a flight from Toronto Pearson Intl Airport to St. Louis?

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. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

Which airlines provide the cheapest flights from Toronto to St. Louis?

In the past 3 days, the cheapest round-trip tickets from Toronto to St. Louis were found on American Airlines ($330) and Air Canada ($333).

Which airlines fly non-stop between Toronto Pearson Intl Airport and St. Louis?

There is just one airline that flies from Toronto Pearson Intl Airport to St. Louis direct and that is Air Canada. The best round-trip deal found from Air Canada for the route is $356.

Which cabin class options are there for flights between Toronto Pearson Intl Airport and St. Louis?

There are 2 cabin class options for the route. These are Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How many flights are there between Toronto Pearson Intl Airport and St. Louis per day?

How long does a flight from Toronto to St. Louis take?

A direct flight to St. Louis will take on average 2h 06m to travel the 653 miles flying distance from Toronto.

What’s the earliest departure time from Toronto to St. Louis?

Early birds can take the earliest flight from Toronto Pearson Intl Airport at 11:30 am and will be landing in St. Louis at 12:36 pm.

What’s the latest departure time from Toronto to St. Louis?

If you prefer to fly at night, the latest flight from Toronto Pearson Intl Airport to St. Louis jets off at 7:45 pm and lands at 8:58 pm.

Good to know

Low season

High season

Cheapest flight

When to book flights from Toronto to St. Louis

FAQs for booking Toronto to St. Louis flights

What is the cheapest flight from Toronto Pearson Intl Airport to St. Louis?

Do I need a passport to fly between Toronto and St. Louis?

Which airlines offer Wi-Fi service onboard planes from Toronto to St. Louis?

Which aircraft models fly most regularly from Toronto to St. Louis?

Which airline alliances offer flights from Toronto to St. Louis?

On which days can I fly direct from Toronto to St. Louis?

How does KAYAK find such low prices on flights from Toronto to St. Louis?

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Toronto to St. Louis?

What is the Hacker Fare option on flights from Toronto to St. Louis?

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Toronto to St. Louis?

KAYAK’s top tips for finding a cheap flight from Toronto Pearson Intl Airport to St. Louis

Prefer to fly direct from Toronto to St. Louis?

Top airline flying from Toronto to St. Louis

Everything you need to know for your flight from Toronto to St. Louis

Information on your arrival and departure airports