C$ 335+ Direct flights from St. Louis
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/7. 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.
Non-stop flights from St. Louis
Cheapest flights from St. LouisExplore the most affordable flight options available from St. Louis. Find the lowest fares based on data from user searches, with prices last updated on 30 April 2025.
Explore the most affordable flight options available from St. Louis. Find the lowest fares based on data from user searches, with prices last updated on 30 April 2025.
Find direct flights from St. Louis within your budget
Use the slider to find direct flights from St. Louis within your budget. Price data is based on user searches made on Cheapflights. Over the past seven days, Cheapflights users made 629,999 searches. This data was last updated on 30 April 2025.
Fly to
Route
Depart
Return
Price
St. LouisToronto
STL - YYZ
STLYYZ
Lambert-St Louis
Fri 13/6
7:30 a.m.-10:25 a.m.
Nonstop1h 55m
Toronto Pearson Intl
Fri 20/6
11:30 a.m.-12:36 p.m.
Nonstop2h 06m
St. LouisToronto
STL - YYZ
STLYYZ
Lambert-St Louis
Sun 24/8
4:00 p.m.-7:00 p.m.
Nonstop2h 00m
Toronto Pearson Intl
Sun 14/9
6:30 p.m.-7:33 p.m.
Nonstop2h 03m
St. LouisMontreal
STL - YUL
STLYUL
Lambert-St Louis
Thu 29/5
1:30 p.m.-5:00 p.m.
Nonstop2h 30m
Montreal Pierre Elliott Trudeau Intl
Mon 2/6
6:10 p.m.-7:58 p.m.
Nonstop2h 48m
St. LouisMontreal
STL - YUL
STLYUL
Lambert-St Louis
Thu 29/5
1:30 p.m.-5:00 p.m.
Nonstop2h 30m
Montreal Pierre Elliott Trudeau Intl
Thu 5/6
6:10 p.m.-7:58 p.m.
Nonstop2h 48m
St. LouisToronto
STL - YYZ
STLYYZ
Lambert-St Louis
Fri 16/5
7:30 a.m.-10:25 a.m.
Nonstop1h 55m
Toronto Pearson Intl
Sun 18/5
11:30 a.m.-12:36 p.m.
Nonstop2h 06m
St. LouisMontreal
STL - YUL
STLYUL
Lambert-St Louis
Wed 11/6
1:30 p.m.-5:00 p.m.
Nonstop2h 30m
Montreal Pierre Elliott Trudeau Intl
Mon 16/6
6:10 p.m.-7:58 p.m.
Nonstop2h 48m
St. LouisToronto
STL - YYZ
STLYYZ
Lambert-St Louis
Thu 3/7
9:15 a.m.-12:13 p.m.
Nonstop1h 58m
St. LouisMontreal
STL - YUL
STLYUL
Lambert-St Louis
Thu 4/9
1:30 p.m.-5:00 p.m.
Nonstop2h 30m
St. LouisToronto
STL - YYZ
STLYYZ
Lambert-St Louis
Tue 13/5
7:30 a.m.-10:25 a.m.
Nonstop1h 55m
St. LouisMontreal
STL - YUL
STLYUL
Lambert-St Louis
Tue 6/5
1:30 p.m.-5:00 p.m.
Nonstop2h 30m
Best time to book a flight from St. Louis
Have a flexible travel schedule? Discover the best time to fly from St. Louis with our price prediction graph.
Reviews of airlines flying non-stop to St. Louis
Get insights into the airlines that provide direct flights from St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight from St. Louis. Reviews last updated Cheapflights.
Crew
Entertainment
Boarding
Comfort
Food
Overall
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Entertainment
Boarding
Comfort
Food
Overall
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Entertainment
Boarding
Comfort
Food
Overall
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Entertainment
Boarding
Comfort
Food
Overall
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Entertainment
Boarding
Comfort
Food
Overall
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Entertainment
Boarding
Comfort
Food
Overall
Reviews
Aaron,Oct 2024
LAX - LHR