Cheap flights from Lester B. Pearson Intl to St Louis

Round-trip
Economy
Toronto (YYZ)
St. Louis (STL)
Depart
Return
Any month
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How to find the cheapest flight from
Lester B. Pearson Intl (YYZ) to St Louis (STL)

All the information you need to plan the best YYZ to STL flight in 2021: compare Lester B. Pearson Intl to St Louis flight prices with the expected peak season, weather and rainfall in St Louis.
YYZ - STL
Price
C$ 447 - C$ 715
STL
Temperature
7 - 32 °C
STL
Rainfall
57 - 130 mm

Popular in

June

High demand for flights, 26% potential price rise

Cheapest in

July

Best time to find cheap flights, 15% potential price drop

Average price

C$ 707

Average for round-trip flights in May 2021

Round-trip from

C$ 447

From Lester B. Pearson Intl to St Louis

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from Lester B. Pearson Intl to St Louis?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 39 days in advance, which can save you up to 26% on flights from Lester B. Pearson Intl to St Louis compared to booking the week you need them. Waiting 39 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at C$ 551. For sooner than that we have options available in the next 3 days from C$ 657.

What is the cheapest month to fly from Lester B. Pearson Intl to St Louis?

Our data shows that February tends to be the cheapest month to fly to St Louis from Lester B. Pearson Intl. Users have commonly found prices around C$ 518 for the month, but tickets can be as low as C$ 208. Due to multiple factors, prepare for potentially higher prices in June.

Cheap flights from Lester B. Pearson Intl to St Louis in May, June 2021

The best prices found for YYZ to STL flights for May, June
11 Jun - 20 Jun
C$ 375pp
YYZ
Toronto Pearson Intl
American Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
 
1 STOP
YYZ
Toronto Pearson Intl
11 Jun - 13 Jun
C$ 500pp
YYZ
Toronto Pearson Intl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
 
1 STOP
YYZ
Toronto Pearson Intl
24 May - 27 May
C$ 523pp
YYZ
Toronto Pearson Intl
American Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
 
1 STOP
YYZ
Toronto Pearson Intl

Lester B. Pearson Intl to St Louis 2021 flight deals

Cheap flights to St Louis from Lester B. Pearson Intl found for this year
11 Jun - 20 Jun
C$ 375pp
YYZ
Toronto Pearson Intl
American Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
 
1 STOP
YYZ
Toronto Pearson Intl
20 Jul - 11 Aug
C$ 385pp
YYZ
Toronto Pearson Intl
WestJet
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
WestJet
 
1 STOP
YYZ
Toronto Pearson Intl
20 Jul - 11 Aug
C$ 473pp
YYZ
Toronto Pearson Intl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Air Canada
   
2 STOPS
YYZ
Toronto Pearson Intl

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Lester B. Pearson Intl</span> to <span class="emphasized">St Louis</span> flights.

Flight FAQs

From Lester B. Pearson Intl to St Louis

What airport do you fly into for flights to St. Louis from Toronto Pearson Intl?

Lambert-St Louis (STL), located 20.4 km from the city centre, is the airport you fly into when you book flights from Toronto Pearson Intl to St. Louis. 6 airlines have flights to Lambert-St Louis from Toronto Pearson Intl on a regular basis. Booking flights from Toronto Pearson Intl to Lambert-St Louis should not be difficult; the airport handles an average of 0 inbound flights from Toronto Pearson Intl per day.

Which airlines flying from Toronto Pearson Intl to Lambert-St Louis have flexible cancellations due to COVID-19?

American Airlines, Air Canada, and United Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Lester B. Pearson Intl to St Louis for under C$ 484 on Cheapflights?

Yes, there are multiple flights from Lester B. Pearson Intl to St Louis for under C$ 484. The cheapest flight booked recently is on American Airlines for just C$ 375, but on average you can expect to pay C$ 534.

Are there direct flights from Lester B. Pearson Intl to St Louis for under C$ 363 on Cheapflights?

There are no direct flights from Lester B. Pearson Intl to St Louis, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Does it rain more in Lester B. Pearson Intl or St Louis?

When travelling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Lester B. Pearson Intl is roughly less than St Louis. You can assume this to be the case over the next 18 days.

Is Lester B. Pearson Intl weather warmer or cooler than St Louis?

We forecast the temperature to be around the 32 °C's in July, on average. The temperature in St Louis is generally hotter than in Lester B. Pearson Intl. Book flights in a timely manner in correlation to your departure date.

How long is the flight from Lester B. Pearson Intl to St Louis?

There are many flights that can get you from Lester B. Pearson Intl to St Louis in 5h 27m. Fly via WestJet, Air Canada, or American Airlines to get the fastest option. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

What are the cheapest airlines to flying from Lester B. Pearson Intl to St Louis round-trip?

Flying on American Airlines is currently your cheapest option to St Louis, with prices starting at C$ 376. Additional round-trip tickets that might be worth considering are offered by WestJet and Air Canada, with the lowest prices starting at C$ 385 and C$ 532, respectively. These flights start at 28% lower than the current average price 3 months from now.

Alternative routes for Lester B. Pearson Intl to St Louis

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for St Louis

Things to know before you go - useful duration and weather info for your trip from Lester B. Pearson Intl to St Louis.
Today's exchange rate
C$ 1 = $0.83
Average temperature for May in St Louis
26.0 °C
Avg rainfall for May in St Louis
130.0 mm

Airports servicing Toronto

Airports servicing St. Louis

Top 5 airlines flying from Lester B. Pearson Intl to St Louis

The chart below displays the airlines Cheapflights users travelling from Lester B. Pearson Intl to St Louis choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
WestJet
C$ 199 C$ 325 No cancel fee 60%
Search WestJet flights
American Airlines
C$ 193 C$ 434 No cancel fee 71%
Search American Airlines flights
Delta
C$ 194 C$ 486 No cancel fee N/A
Search Delta flights
United Airlines
C$ 413 C$ 572 No cancel fee 69%
Search United Airlines flights
Air Canada
C$ 402 C$ 578 No cancel fee 67%
Search Air Canada flights
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