Cheap flights from Niagara-on-the-Lake to St. Louis

Round-trip
Economy
Boston (BOS)
St. Louis (STL)
Depart
Return
Any month
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How to find the cheapest flight from
Niagara-on-the-Lake to St. Louis (STL)

All the information you need to plan the best null to STL flight in 2021: compare Niagara-on-the-Lake to St. Louis flight prices with the expected peak season, weather and rainfall in St. Louis.
N1A - STL
Price
C$ 369 - C$ 591
STL
Temperature
0 - 27 °C
STL
Precipitation
56 - 119 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$ 456

From Niagara-on-the-Lake to Lambert-St Louis

One-way from

C$ 273

One-way flight from Niagara-on-the-Lake to Lambert-St Louis

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
When is the cheapest time to fly from Niagara-on-the-Lake to St. Louis (N1A - STL)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Niagara-on-the-Lake to St. Louis as you normally would.

How far in advance should I book a flight from Niagara-on-the-Lake to St. Louis?

Users have found that booking a flight from Niagara-on-the-Lake to St. Louis at least 39 days early can save you up to 26% on average compared to booking a flight this week. If booking 39 days before your flight isn’t an option for you, users have found flights from Niagara-on-the-Lake to St. Louis for as little as C$ 562 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as C$ 671 for flights departing within the next 3 days.

What is the cheapest month to fly from Niagara-on-the-Lake to St. Louis?

Our data shows that February tends to be the cheapest month to fly to St. Louis from Niagara-on-the-Lake. Users have commonly found prices around C$ 529 for the month, but tickets can be as low as C$ 213. Due to multiple factors, prepare for potentially higher prices in June.

Cheap flights from Niagara-on-the-Lake to St. Louis in October, November 2021

The best prices found for Niagara-on-the-Lake to STL flights for October, November
26 Nov - 29 Nov
C$ 389pp
YYZ
Toronto Pearson Intl
Air Canada
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Air Canada
 
1 STOP
YYZ
Toronto Pearson Intl
19 Nov - 30 Nov
C$ 393pp
YYZ
Toronto Pearson Intl
United Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
United Airlines
 
1 STOP
YYZ
Toronto Pearson Intl
19 Nov - 30 Nov
C$ 398pp
YYZ
Toronto Pearson Intl
Air Canada
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Air Canada
 
1 STOP
YYZ
Toronto Pearson Intl

Niagara-on-the-Lake to St. Louis 2021 flight deals

Cheap flights to St. Louis from Niagara-on-the-Lake found for this year
8 Dec - 12 Dec
C$ 389pp
YYZ
Toronto Pearson Intl
American Airlines
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
   
2 STOPS
YYZ
Toronto Pearson Intl
19 Nov - 30 Nov
C$ 393pp
YYZ
Toronto Pearson Intl
United Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
United Airlines
 
1 STOP
YYZ
Toronto Pearson Intl
19 Nov - 30 Nov
C$ 398pp
YYZ
Toronto Pearson Intl
Air Canada
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Air Canada
 
1 STOP
YYZ
Toronto Pearson Intl

Last minute flights from Niagara-on-the-Lake to St. Louis

Late deals on round-trip flights to St. Louis from Niagara-on-the-Lake, departing today and this week
3 Nov - 6 Nov
C$ 566pp
YYZ
Toronto Pearson Intl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
ANA
 
1 STOP
YYZ
Toronto Pearson Intl
3 Nov - 5 Nov
C$ 570pp
YYZ
Toronto Pearson Intl
American Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
 
1 STOP
YYZ
Toronto Pearson Intl
3 Nov - 6 Nov
C$ 571pp
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 Niagara-on-the-Lake

The cheapest one-way flights from Niagara-on-the-Lake to St. Louis
2:59 a.m. - 9:45 a.m.
Delta
1 stop
7h 46m
YYZ - STL
Delta
C$ 273
Delta
2:30 a.m. - 7:16 a.m.
American Airlines
1 stop
5h 46m
YYZ - STL
American Airlines
C$ 277
9:30 a.m. - 2:25 p.m.
United Airlines
2 stops
5h 55m
YYZ - STL
United Airlines
C$ 366
United Airlines

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Niagara-on-the-Lake</span> to <span class="emphasized">St. Louis</span> flights.

Flight FAQs

From Niagara-on-the-Lake to St. Louis

What airport do you fly into for flights to St. Louis from Niagara-on-the-Lake?

If you book a flight to St. Louis from Niagara-on-the-Lake, you will be flying to Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 20.4 km from the centre of St. Louis. There is 1 flight from Niagara-on-the-Lake to Lambert-St Louis per day from 6 different airlines.

Which airlines flying from Niagara-on-the-Lake 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 Niagara-on-the-Lake to St. Louis for under C$ 400 on Cheapflights?

Yes, there are multiple flights from Niagara-on-the-Lake to St. Louis for under C$ 400. The cheapest flight booked recently is on Multiple Airlines for just C$ 339, but on average you can expect to pay C$ 444.

Are there last-minute flights available from Niagara-on-the-Lake to St. Louis for under C$ 600?

There are currently 7+ open flights from Niagara-on-the-Lake to St. Louis within the next 7 days for less than C$ 600.

What are the cheapest airlines to fly from Niagara-on-the-Lake to St. Louis one-way?

For one-way options, check prices for Delta. According to our data, you can fly for as low as C$ 226. Users have also found prices from C$ 271 and C$ 279 on American Airlines and Air Canada, respectively.

What are the cheapest flights from Niagara-on-the-Lake to St. Louis?

Looking at all options, your cheapest flight can be booked for C$ 256. While the most popular route (Toronto Pearson Intl - Lambert-St Louis) can be booked for C$ 339 on average our data indicates C$ 505 when flying from Niagara-on-the-Lake to St. Louis

What are the most popular airlines that fly from Niagara-on-the-Lake to St. Louis?

When booking a flight from Niagara-on-the-Lake to St. Louis, you may want to consider flying on Major Airline, American Airlines or Air Canada as they are the most popular for this route.

COVID Restrictions

View COVID Travel Restrictions for St. Louis, MO

Do I need a COVID test to fly to St. Louis from Niagara-on-the-Lake?

Information is based on travel restrictions from Niagara-on-the-Lake to Lambert-St Louis

Most visitors from Niagara-on-the-Lake need to provide a negative COVID-19 test result and/or quarantine to enter Lambert-St Louis.

COVID-19 testing requirements
Visitors from Niagara-on-the-Lake 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 Niagara-on-the-Lake are not required to quarantine after entering Lambert-St Louis.

Do I need a test to fly back to Niagara-on-the-Lake from St. Louis?

Returning to Niagara-on-the-Lake 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 Niagara-on-the-Lake.

Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering Niagara-on-the-Lake.

Hide COVID Travel Restrictions for St. Louis, MO

Alternative routes for Niagara-on-the-Lake 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 Niagara-on-the-Lake to St. Louis.
Today's exchange rate
C$ 1 = $0.81
Average temperature for October in St. Louis
22.0 °C
Avg rainfall for October in St. Louis
71.0 mm

Airports servicing Niagara-on-the-Lake

Airports servicing St. Louis

Top 5 airlines flying from Niagara-on-the-Lake to Lambert-St Louis

The chart below displays the airlines Cheapflights users travelling from Niagara-on-the-Lake 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
American Airlines
C$ 239 C$ 537 No cancel fee 71%
Search American Airlines flights
Delta
C$ 240 C$ 600 No cancel fee N/A
Search Delta flights
WestJet
C$ 246 C$ 401 No cancel fee 60%
Search WestJet flights
Air Canada
C$ 496 C$ 715 No cancel fee 67%
Search Air Canada flights
United Airlines
C$ 511 C$ 707 No cancel fee 69%
Search United Airlines flights

Hourly flight availability from Niagara-on-the-Lake to St. Louis

See what time of day planes typically take off from Niagara-on-the-Lake towards St. Louis.
Afternoon Noon to 6 PM 100% of flight departures
Early morning Midnight to 6 AM 0% of flight departures
Morning 6 AM to noon 0% of flight departures
Evening 6 PM to midnight 0% of flight departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Niagara-on-the-Lake to St. Louis
See how many times per day planes take to the skies headed from Niagara-on-the-Lake to St. Louis.
Sunday
1 daily flight
Monday
1 daily flight
Tuesday
1 daily flight
Wednesday
1 daily flight
Thursday
1 daily flight
Friday
1 daily flight
Saturday
1 daily flight
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