Cheap flights from Pearson Intl to St. Louis

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

All the information you need to plan the best YYZ to STL flight in 2021: compare Pearson Intl to St. Louis flight prices with the expected peak season, weather and rainfall in St. Louis.
YYZ - STL
Price
C$ 467 - C$ 748
STL
Temperature
7 - 32 °C
STL
Precipitation
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

Round-trip from

C$ 467

From Toronto Pearson Intl to Lambert-St Louis

One-way from

C$ 298

One-way flight from Toronto Pearson Intl to Lambert-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 Toronto Pearson Intl Airport 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 Toronto Pearson Intl Airport 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$ 576. For sooner than that we have options available in the next 3 days from C$ 688.

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

Our data shows that February tends to be the cheapest month to fly to St. Louis from Toronto Pearson Intl Airport. Users have commonly found prices around C$ 542 for the month, but tickets can be as low as C$ 218. Due to multiple factors, prepare for potentially higher prices in June.

When is the cheapest time to fly from Toronto Pearson Intl Airport to St. Louis (YYZ - STL)?

When flying from Toronto Pearson Intl Airport to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap flights from Pearson Intl to St. Louis in September, October 2021

The best prices found for YYZ to STL flights for September, October
18 Oct - 8 Nov
C$ 325pp
YYZ
Toronto Pearson Intl
Air Canada
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Air Canada
 
1 STOP
YYZ
Toronto Pearson Intl
18 Oct - 8 Nov
C$ 328pp
YYZ
Toronto Pearson Intl
Air Canada
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Air Canada
   
2 STOPS
YYZ
Toronto Pearson Intl
23 Oct - 27 Oct
C$ 379pp
YYZ
Toronto Pearson Intl
American Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
 
1 STOP
YYZ
Toronto Pearson Intl

Toronto Pearson Intl to St. Louis 2021 flight deals

Cheap flights to St. Louis from Pearson Intl found for this year
3 Nov - 9 Nov
C$ 319pp
YYZ
Toronto Pearson Intl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
YYZ
Toronto Pearson Intl
18 Oct - 8 Nov
C$ 325pp
YYZ
Toronto Pearson Intl
Air Canada
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Air Canada
 
1 STOP
YYZ
Toronto Pearson Intl
18 Oct - 8 Nov
C$ 328pp
YYZ
Toronto Pearson Intl
Air Canada
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Air Canada
   
2 STOPS
YYZ
Toronto Pearson Intl

Last minute flights from Pearson Intl to St. Louis

Late deals on round-trip flights to St. Louis from Pearson Intl, departing today and this week
21 Sep - 29 Sep
C$ 529pp
YYZ
Toronto Pearson Intl
Delta
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Delta
 
1 STOP
YYZ
Toronto Pearson Intl
22 Sep - 29 Sep
C$ 547pp
YYZ
Toronto Pearson Intl
Air Canada
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Air Canada
   
2 STOPS
YYZ
Toronto Pearson Intl
23 Sep - 29 Sep
C$ 553pp
YYZ
Toronto Pearson Intl
Air Canada
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Air Canada
 
1 STOP
YYZ
Toronto Pearson Intl

One-way flights to Lambert-St Louis from Toronto Pearson Intl

The cheapest one-way flights from Pearson Intl to St. Louis
3:45 a.m. - 6:40 p.m.
American Airlines
2 stops
15h 55m
YYZ - STL
American Airlines
C$ 298
9:30 a.m. - 4:35 p.m.
Delta
1 stop
8h 05m
YYZ - STL
Delta
C$ 318
Delta
9:55 a.m. - 12:56 p.m.
Air New Zealand
Direct
4h 01m
YYZ - STL
Air New Zealand
C$ 493
Gate1.ca

Related info for your journey

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

Flight FAQs

From 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 Toronto Pearson Intl Airport to St. Louis for under C$ 400 on Cheapflights?

Yes, there are multiple flights from Toronto Pearson Intl Airport to St. Louis for under C$ 400. The cheapest flight booked recently is on Multiple Airlines for just C$ 319, but on average you can expect to pay C$ 376.

Are there last-minute flights available from Toronto Pearson Intl Airport to St. Louis for under C$ 600?

There are currently 17+ open flights from Toronto Pearson Intl Airport to St. Louis within the next 7 days for less than C$ 600.

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

Cheapflights users have booked flights from Toronto Pearson Intl Airport to St. Louis round-trip from C$ 325. Other airlines that can offer you cheap pricing are American Airlines, from C$ 374, and Delta, from C$ 380. Air Canada is priced at 40% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from Toronto Pearson Intl Airport to St. Louis one-way?

To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at C$ 222. American Airlines flights start at C$ 230 while deals on Air Canada start at C$ 279 one-way.

Related searches

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COVID Restrictions

View COVID Travel Restrictions for St. Louis (STL)

Do I need a COVID test to fly to St. Louis from Pearson Intl?

Information is based on travel restrictions from Toronto Pearson Intl to Lambert-St Louis

Most visitors from Toronto Pearson Intl need to provide a negative COVID-19 test result and/or quarantine to enter Lambert-St Louis.

COVID-19 testing requirements
Visitors from Toronto Pearson Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Lambert-St Louis.

Quarantine requirements
Visitors from Toronto Pearson Intl are not required to quarantine after entering Lambert-St Louis.

Do I need a test to fly back to Pearson Intl from St. Louis?

Returning to Toronto Pearson Intl from Lambert-St Louis

COVID-19 testing requirements
Visitors from Lambert-St Louis must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Toronto Pearson Intl.

Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering Toronto Pearson Intl.

Hide COVID Travel Restrictions for St. Louis (STL)

Alternative routes for 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 Pearson Intl to St. Louis.
Today's exchange rate
C$ 1 = $0.79
Average temperature for September in St. Louis
28.0 °C
Avg rainfall for September in St. Louis
76.0 mm

Airports servicing Toronto

Airports servicing St. Louis

Top 5 airlines flying from Toronto Pearson Intl to Lambert-St Louis

The chart below displays the airlines Cheapflights users travelling from 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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