Find Cheap Flights from Lambert-St Louis to Toronto (STL - YTO)

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Good to Know

Average Price:
$406
(avg. price over the last 2 weeks)
Good Deal:
$329
or less (round trip)

When to Book Flights from Lambert-St Louis to Toronto

Flight prices as travel date approaches
-1 day
-2 days

Top tips for Finding a Cheap Flight

Looking for a cheap flight? 25% of our users found flights on this route for $329 or less.
The cheapest flight from Lambert-St Louis to Toronto was found 32 days before departure, on average.
Book at least 3 weeks before departure in order to get a below-average price.
Morning departure is around 16% cheaper than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

FAQs for Booking Lambert-St Louis to Toronto Flights

How long does a flight from Lambert-St Louis to Toronto take?
An average nonstop flight takes 3h 45m, covering a distance of 663 miles.
How many flights are there between Lambert-St Louis and Toronto?
There are 55 (nonstop) flights between Lambert-St Louis and Toronto per week, averaging 9 per day.
Which airlines provide the cheapest flights from Lambert-St Louis to Toronto?
In the past 3 days, the cheapest round-trip tickets were found on Multiple Airlines ($304) and Delta ($325)
Do I need a passport to fly between Lambert-St Louis and Toronto?
Yes.
Which airlines fly most frequently between Lambert-St Louis and Toronto?
Air Canada (4 times daily), United (3 times daily) are the most frequent flyers on this route.
What’s the cheapest day of the week to fly Lambert-St Louis to Toronto?
For Lambert-St Louis to Toronto, Tuesday is the cheapest day to fly on average and Wednesday is the most expensive. Flying from Toronto back to Lambert-St Louis, the best deals are generally found on Friday, with Wednesday being the most expensive.

Book cheap flights from Lambert-St Louis to Toronto (round-trip)

Airports
Origin
St. Louis
$304
only
$304
Destination
Toronto
$304
only
$304
Tue, Apr 10
STL
YYZ
7h 13m
Sat, May 5
YYZ
STL
5h 41m
Trip: 26 days
Overall 0.0 Poor
Based on 0 reviews
Fri, Apr 13
STL
YYZ
8h 00m
Sun, Apr 15
YYZ
STL
5h 45m
Trip: 3 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 16166 reviews
Overall
8.0
Boarding
8.1
Comfort
7.8
Crew
8.4
Entertainment
7.5
Food
7.4
JFK
CDG
Excellent 10.0

The food and the service

GDL
ATL
Excellent 9.6

Expensive food

SLC
YYZ
Excellent 9.6

Z

ATL
EWR
Excellent 8.6

No LCD screen for entertainment.

ATL
PIT
Excellent 9.0

Pilots and crew did an amazing job during unstable air coming into Pittsburgh. Great job.

Thu, Apr 12
STL
YYZ
3h 45m
Mon, Apr 16
YYZ
STL
5h 45m
Trip: 5 days
Overall 0.0 Poor
Based on 0 reviews
Wed, May 2
STL
YYZ
7h 50m
Sat, May 12
YYZ
STL
5h 20m
Trip: 11 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 16166 reviews
Overall
8.0
Boarding
8.1
Comfort
7.8
Crew
8.4
Entertainment
7.5
Food
7.4
GDL
ATL
Excellent 9.6

Expensive food

MSP
CZM
Excellent 10.0

Everything went smoothly.

All was good.

JFK
CDG
Excellent 10.0

The food and the service

FLL
ATL
Excellent 8.0

Departure was right on time and we actually arrived 15 minutes early.

The inflight monitor worked but none of the data (GPS altitude or speed) was working.

ATL
EWR
Excellent 8.6

No LCD screen for entertainment.

Fri, Apr 13
STL
YYZ
13h 26m
Sat, Apr 21
YYZ
STL
4h 59m
Trip: 9 days
Overall 0.0 Poor
Based on 0 reviews
Tue, May 8
STL
YYZ
6h 46m
Sat, May 12
YYZ
STL
5h 20m
Trip: 5 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 16166 reviews
Overall
8.0
Boarding
8.1
Comfort
7.8
Crew
8.4
Entertainment
7.5
Food
7.4
GDL
ATL
Excellent 9.6

Expensive food

MSP
CZM
Excellent 10.0

Everything went smoothly.

All was good.

ATL
PIT
Excellent 9.0

Pilots and crew did an amazing job during unstable air coming into Pittsburgh. Great job.

SLC
YYZ
Excellent 9.6

Z

LAX
MCO
Excellent 10.0

I am used to flying Frontier because of cost but recently traveled Delta and boy did I feel completely spoiled! Not only did my other half get our bags for free due to his status with Delta but the amenities they offer and the comfort of the economy seats compared to other airlines is a major difference. As a chronic pain patient, if I can find a Delta flight for a little more, I will be booking with them for sure! Highly recommend them!

Sat, Apr 14
STL
YYZ
9h 38m
Mon, Apr 16
YYZ
STL
8h 12m
Trip: 3 days
Overall 0.0 Poor
Based on 0 reviews
Tue, Jun 12
STL
YYZ
4h 08m
Tue, Jun 19
YYZ
STL
3h 41m
Trip: 8 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 16166 reviews
Overall
8.0
Boarding
8.1
Comfort
7.8
Crew
8.4
Entertainment
7.5
Food
7.4
PVR
MSP
Good 7.3

They have few movies selection that was good

I like being in a big space faster. And clean good service I

PIT
ATL
Excellent 10.0

I have always known of airlines to offer preboarding to those military members in uniform or on official orders. Delta took it one step further and allows prior service members to board also.

SLC
YYZ
Excellent 8.0

was a difficult transition from delta to west jet in Toronto and we almost missed the flight

SLC
YYZ
Excellent 9.6

Z

GDL
ATL
Excellent 9.6

Expensive food

Mon, Apr 16
STL
YYZ
13h 26m
Sat, Apr 21
YYZ
STL
6h 32m
Trip: 6 days
Overall 0.0 Poor
Based on 0 reviews
Sat, Aug 25
STL
YYZ
5h 19m
Mon, Aug 27
YYZ
STL
3h 41m
Trip: 3 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 16166 reviews
Overall
8.0
Boarding
8.1
Comfort
7.8
Crew
8.4
Entertainment
7.5
Food
7.4
ATL
EWR
Excellent 8.6

No LCD screen for entertainment.

SLC
YYZ
Excellent 9.6

Z

PIT
ATL
Excellent 10.0

I have always known of airlines to offer preboarding to those military members in uniform or on official orders. Delta took it one step further and allows prior service members to board also.

PVR
MSP
Good 7.3

They have few movies selection that was good

I like being in a big space faster. And clean good service I

LAX
MCO
Excellent 10.0

I am used to flying Frontier because of cost but recently traveled Delta and boy did I feel completely spoiled! Not only did my other half get our bags for free due to his status with Delta but the amenities they offer and the comfort of the economy seats compared to other airlines is a major difference. As a chronic pain patient, if I can find a Delta flight for a little more, I will be booking with them for sure! Highly recommend them!

Wed, May 2
STL
YYZ
5h 30m
Mon, May 14
YYZ
STL
5h 20m
Trip: 13 days
Overall 0.0 Poor
Based on 0 reviews
Thu, May 31
STL
YYZ
7h 40m
Mon, Jun 4
YYZ
STL
3h 44m
Trip: 5 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 16166 reviews
Overall
8.0
Boarding
8.1
Comfort
7.8
Crew
8.4
Entertainment
7.5
Food
7.4
LAX
MCO
Excellent 10.0

I am used to flying Frontier because of cost but recently traveled Delta and boy did I feel completely spoiled! Not only did my other half get our bags for free due to his status with Delta but the amenities they offer and the comfort of the economy seats compared to other airlines is a major difference. As a chronic pain patient, if I can find a Delta flight for a little more, I will be booking with them for sure! Highly recommend them!

PIT
ATL
Excellent 10.0

I have always known of airlines to offer preboarding to those military members in uniform or on official orders. Delta took it one step further and allows prior service members to board also.

SLC
YYZ
Excellent 9.6

Z

JFK
CDG
Excellent 10.0

The food and the service

GDL
ATL
Excellent 9.6

Expensive food

Thu, May 3
STL
YYZ
4h 50m
Fri, May 11
YYZ
STL
3h 44m
Trip: 9 days
Overall 0.0 Poor
Based on 0 reviews
Fri, May 4
STL
YYZ
12h 02m
Mon, May 7
YYZ
STL
3h 44m
Trip: 4 days
Overall 0.0 Poor
Based on 0 reviews
Wed, May 2
STL
YYZ
4h 12m
Sun, May 13
YYZ
STL
6h 12m
Trip: 12 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 16166 reviews
Overall
8.0
Boarding
8.1
Comfort
7.8
Crew
8.4
Entertainment
7.5
Food
7.4
SLC
YYZ
Excellent 8.0

was a difficult transition from delta to west jet in Toronto and we almost missed the flight

ATL
PIT
Excellent 9.0

Pilots and crew did an amazing job during unstable air coming into Pittsburgh. Great job.

PIT
ATL
Excellent 10.0

I have always known of airlines to offer preboarding to those military members in uniform or on official orders. Delta took it one step further and allows prior service members to board also.

FLL
ATL
Excellent 8.0

Departure was right on time and we actually arrived 15 minutes early.

The inflight monitor worked but none of the data (GPS altitude or speed) was working.

LAX
MCO
Excellent 10.0

I am used to flying Frontier because of cost but recently traveled Delta and boy did I feel completely spoiled! Not only did my other half get our bags for free due to his status with Delta but the amenities they offer and the comfort of the economy seats compared to other airlines is a major difference. As a chronic pain patient, if I can find a Delta flight for a little more, I will be booking with them for sure! Highly recommend them!

Mon, May 7
STL
YYZ
4h 47m
Mon, May 14
YYZ
STL
3h 44m
Trip: 8 days
Overall 0.0 Poor
Based on 0 reviews
Thu, May 3
STL
YYZ
4h 28m
Mon, May 14
YYZ
STL
3h 44m
Trip: 12 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 16166 reviews
Overall
8.0
Boarding
8.1
Comfort
7.8
Crew
8.4
Entertainment
7.5
Food
7.4
SLC
YYZ
Excellent 8.0

was a difficult transition from delta to west jet in Toronto and we almost missed the flight

SLC
YYZ
Excellent 9.6

Z

JFK
CDG
Excellent 10.0

The food and the service

FLL
ATL
Excellent 8.0

Departure was right on time and we actually arrived 15 minutes early.

The inflight monitor worked but none of the data (GPS altitude or speed) was working.

MSP
CZM
Excellent 10.0

Everything went smoothly.

All was good.

Tue, May 8
STL
YYZ
4h 50m
Mon, May 14
YYZ
STL
3h 44m
Trip: 7 days
Overall 0.0 Poor
Based on 0 reviews
Sat, May 5
STL
YYZ
5h 20m
Mon, May 14
YYZ
STL
3h 44m
Trip: 10 days
7.8GoodShow reviews
Overall 7.8 Good
Based on 16166 reviews
Overall
8.0
Boarding
8.1
Comfort
7.8
Crew
8.4
Entertainment
7.5
Food
7.4
PIT
ATL
Excellent 10.0

I have always known of airlines to offer preboarding to those military members in uniform or on official orders. Delta took it one step further and allows prior service members to board also.

LAX
MCO
Excellent 10.0

I am used to flying Frontier because of cost but recently traveled Delta and boy did I feel completely spoiled! Not only did my other half get our bags for free due to his status with Delta but the amenities they offer and the comfort of the economy seats compared to other airlines is a major difference. As a chronic pain patient, if I can find a Delta flight for a little more, I will be booking with them for sure! Highly recommend them!

SLC
YYZ
Excellent 8.0

was a difficult transition from delta to west jet in Toronto and we almost missed the flight

ATL
PIT
Excellent 9.0

Pilots and crew did an amazing job during unstable air coming into Pittsburgh. Great job.

JFK
MCO
Excellent 8.0

Entertainment system great. Individual choices include recent movies. On board staff very nice

We had issues with baggage. Delta was supposed to transfer 4 bags to Disney for Magic Express transportation. Only 3 went. Disney tried hard to fix problem, and even gave us something to ameliorate the situation. Delta took hard line, wasn't helpful and gave nothing. It took 2 days to find bag.

Mon, Jun 4
STL
YYZ
14h 02m
Sat, Jun 9
YYZ
STL
5h 58m
Trip: 6 days
Overall 0.0 Poor
Based on 0 reviews
Show more results

Lambert-St Louis to Toronto Flight Information

Flights Arrive in Toronto
Flights Depart from Lambert-St Louis
Flight Price $304
Distance 663 miles
Airlines Delta
*
Prices are per person and are for e–tickets and include all taxes & fees in USD.

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The fares displayed include all taxes and fees for economy class travel and were found by the provider in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.