Cheap flights from Toronto, Canada to St. Louis, MO

Flights starting at CA$189. Choose between United Airlines, WestJet, or Air Canada to find the best price.

Make your travel wishlist, we'll do the rest
Hidden deals
Effortless booking
Travel hacking

Tips to know when travelling to St. Louis

Mailbox
Receive exclusive deals by email
Travelers usually depart from Toronto Pearson International, or Billy Bishop Toronto City when they travel from Toronto to St. Louis. The distance between Toronto and St. Louis is 1052 km. The most popular airlines for this route are United Airlines, WestJet, Air Canada, Spirit Airlines, and Frontier Airlines. Toronto and St. Louis have 194 direct flights per week.

Weekly direct flights

Discover the top airlines offering direct flights from Toronto to St. Louis in the next month. You’ll find the number of daily direct flights per airline in the table.

Weekly direct flights for Sun 05.05 - Sat 11.05

AirlineSun 05.05Mon 06.05Tue 07.05Wed 08.05Thu 09.05Fri 10.05Sat 11.05
2------2---21
---------------------

Weekly direct flights for Sun 12.05 - Sat 18.05

AirlineSun 12.05Mon 13.05Tue 14.05Wed 15.05Thu 16.05Fri 17.05Sat 18.05
21222---2
---------------------

Weekly direct flights for Sun 19.05 - Sat 25.05

AirlineSun 19.05Mon 20.05Tue 21.05Wed 22.05Thu 23.05Fri 24.05Sat 25.05
22------222
------22---------

Weekly direct flights for Sun 26.05 - Sat 01.06

AirlineSun 26.05Mon 27.05Tue 28.05Wed 29.05Thu 30.05Fri 31.05Sat 01.06
1111------2
------------2------

Check-in for a flight from Toronto to St. Louis

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
United AirlinesUALUAYesNo
WestJetWJAWSNoOpens 24 days before flight
Closes 1 hours before flight
Air CanadaACAACYesNo
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight

Weather in St. Louis

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January3°C-3°C
February6°C-2°C
March13°C3°C
April18°C8°C
May24°C14°C
June29°C19°C
July31°C21°C
August30°C20°C
September27°C16°C
October20°C10°C
November12°C3°C
December7°C0°C
Hottest Month
31°C
July
Coldest month
-3°C
January
Sunny days
261
days per year
Snow days
9
days per year

14 day forecast

Thursday
2 May
83%
29°C17°C
9 May
21°C12°C
Friday
3 May
94%
23°C16°C
10 May
83%
14°C10°C
Saturday
4 May
80%
27°C16°C
11 May
18°C8°C
Sunday
5 May
84%
21°C13°C
12 May
22°C10°C
Monday
6 May
86%
28°C17°C
13 May
83%
24°C14°C
Tuesday
7 May
87%
26°C18°C
14 May
87%
26°C15°C
Wednesday
8 May
26°C15°C
15 May
18°C10°C

Frequently asked questions

How long does it take to travel from Toronto to St. Louis?
What is the flight distance between Toronto and St. Louis?
What airlines offer nonstop (direct) flights between Toronto and St. Louis?
What are the most popular routes to and from Toronto?
What are the most popular routes to and from St. Louis?
Which airports are there in Toronto?
What airports are near Toronto?
What airports are near St. Louis?
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Toronto and St. Louis?
What is Virtual Interlining and how do I use it?
Which airlines fly between Toronto and St. Louis?
When's the best time to travel between Toronto and St. Louis?
What flights operate between Toronto and St. Louis?
How many airports are there near Toronto?
How many airports are there near St. Louis?
What time do nonstop (direct) flights between Toronto and St. Louis depart?
What time do nonstop (direct) flights between Toronto and St. Louis arrive?
What time do flights between Toronto and St. Louis depart?
What time do flights between Toronto and St. Louis arrive?

Explore alternative trips

The nearest countries with flights to St. Louis

Here is a list of countries people are flying from

Other destination countries from Toronto

Here is a list of countries people are flying to
Find the best connection from Toronto to St. Louis
Search flights, trains & buses
We hack the system,
you fly for less