Cheap flights from Canada to St. Louis

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Boston (BOS)
St. Louis (STL)
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How to find the cheapest flight from
Canada to St. Louis (STL)

All the information you need to plan the best null to STL flight in 2022: compare Canada to St. Louis flight prices with the expected peak season, weather and rainfall in St. Louis.
When is the cheapest time to fly from Canada to St. Louis (CA - STL)?

When flying from Canada 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.

What is the cheapest month to fly from Canada to St. Louis?

The best pricing can be found in the month of February. Prices to St. Louis from Canada average C$ 548. You can even find prices in February for less than C$ 548, as users have found deals to St. Louis from as low as C$ 220. The month of June appears to be one of the more expensive times to travel to St. Louis from Canada. Flying in the targeted month can save you up to 29%.

How far in advance should I book a flight from Canada to St. Louis?

Find a great deal and save up to 26% by booking at least 39 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Canada to St. Louis within the next two weeks, with the cheapest ticket starting at C$ 583.

Cheap flights from Canada to St. Louis in May, June 2022

The best prices found for Canada to STL flights for May, June
15 Jun - 4 Jul
C$ 500pp
YYZ
Toronto Pearson Intl
Air Canada
Direct
STL
Lambert-St Louis
STL
Lambert-St Louis
Air Canada
Direct
YYZ
Toronto Pearson Intl
21 Jun - 28 Jun
C$ 518pp
YYZ
Toronto Pearson Intl
American Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
 
1 STOP
YYZ
Toronto Pearson Intl
15 Jun - 3 Jul
C$ 519pp
YYZ
Toronto Pearson Intl
Air Canada
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Air Canada
Direct
YYZ
Toronto Pearson Intl

Canada to St. Louis 2022 flight deals

Cheap flights to St. Louis from Canada found for this year
1 Nov - 4 Nov
C$ 461pp
YVR
Vancouver Intl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
YVR
Vancouver Intl
15 Jun - 4 Jul
C$ 500pp
YYZ
Toronto Pearson Intl
Air Canada
Direct
STL
Lambert-St Louis
STL
Lambert-St Louis
Air Canada
Direct
YYZ
Toronto Pearson Intl
24 Aug - 29 Aug
C$ 511pp
YYZ
Toronto Pearson Intl
Air Canada
Direct
STL
Lambert-St Louis
STL
Lambert-St Louis
Air Canada
Direct
YYZ
Toronto Pearson Intl

Direct flights to St. Louis from Canada

Save time with Canada to St. Louis direct flight deals
15 Jun - 4 Jul
C$ 500pp
YYZ
Toronto Pearson Intl
Air Canada
Direct
STL
Lambert-St Louis
STL
Lambert-St Louis
Air Canada
Direct
YYZ
Toronto Pearson Intl
24 Aug - 29 Aug
C$ 511pp
YYZ
Toronto Pearson Intl
Air Canada
Direct
STL
Lambert-St Louis
STL
Lambert-St Louis
Air Canada
Direct
YYZ
Toronto Pearson Intl
26 Aug - 28 Aug
C$ 512pp
YYZ
Toronto Pearson Intl
Air Canada
Direct
STL
Lambert-St Louis
STL
Lambert-St Louis
Air Canada
Direct
YYZ
Toronto Pearson Intl

Last minute flights from Canada to St. Louis

Late deals on round-trip flights to St. Louis from Canada, departing today and this week
2 Jun - 28 Jun
C$ 633pp
YYC
Calgary
Delta
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Delta
 
1 STOP
YYC
Calgary
2 Jun - 8 Jun
C$ 662pp
YYZ
Toronto Pearson Intl
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
YYZ
Toronto Pearson Intl
31 May - 27 Oct
C$ 666pp
YVR
Vancouver Intl
Delta
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Delta
   
2 STOPS
YVR
Vancouver Intl

One-way flights to Lambert-St Louis from Canada

The cheapest one-way flights from Canada to St. Louis
2:30 a.m. - 10:55 a.m.
British Airways
1 stop
9h 25m
YYZ - STL
British Airways
C$ 284
3:00 a.m. - 6:33 a.m.
United Airlines
1 stop
4h 33m
YYZ - STL
United Airlines
C$ 297
Priceline
10:05 a.m. - 11:14 a.m.
Air Canada
Direct
2h 09m
YYZ - STL
Air Canada
C$ 311
Air Canada

Related info for your journey

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

Flight FAQs

From Canada to St. Louis

What airport do you fly into for flights to St. Louis from Canada?

Lambert-St Louis (STL) is the airport you will fly into if you book a flight from Canada to St. Louis. It is only a 20.4 km journey from Lambert-St Louis (STL) to St. Louis’s city centre.

Which airlines flying from Canada to Lambert-St Louis have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Canada to Lambert-St Louis that may be offering flexible cancellation policies are Air Canada, American Airlines, and United Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Canada to St. Louis for under C$ 500 on Cheapflights?

Yes, there are multiple flights from Canada to St. Louis for under C$ 500. The cheapest flight booked recently is on Multiple Airlines for just C$ 461, but on average you can expect to pay C$ 529.

Are there direct flights from Canada to St. Louis for under C$ 500 on Cheapflights?

Cheapflights has 20 direct flights from Canada to St. Louis under C$ 500. A good price for a direct flight from Canada to St. Louis is less than C$ 594.

Are there last-minute flights available from Canada to St. Louis for under C$ 700?

There are currently 20+ open flights from Canada to St. Louis within the next 7 days for less than C$ 700.

What are the cheapest airlines to fly from Canada to St. Louis one-way?

To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at C$ 278. British Airways flights start at C$ 284 while deals on Delta start at C$ 284 one-way.

What are the cheapest flights from Canada to St. Louis?

On average you can expect to pay C$ 555 for a flight from Canada to St. Louis. The cheapest flight overall is C$ 495 while the most popular route, (Toronto Pearson Intl - Lambert-St Louis) is currently priced at C$ 519.

What are the most popular airlines that fly from Canada to St. Louis?

Before booking your flight from Canada to St. Louis check out the most popular airlines for this route: American Airlines, Air Canada or British Airways.

What are the most popular routes from Canada to St. Louis?

While some choose either Vancouver Intl - Lambert-St Louis or Montreal Pierre Elliott Trudeau Intl - Lambert-St Louis, Toronto Pearson Intl - Lambert-St Louis is the most popular route from Canada to St. Louis.

Related searches

Flights to St. Louis (STL) from Canada
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COVID Restrictions

View COVID Travel Restrictions for St. Louis, MO

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

Information is based on travel restrictions from Canada to Lambert-St Louis

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

COVID-19 testing requirements
Visitors from Canada must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Lambert-St Louis.

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

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

Returning to Canada from Lambert-St Louis

COVID-19 testing requirements
Visitors from Lambert-St Louis must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Canada.

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

Hide COVID Travel Restrictions for St. Louis, MO

Departure points for flights from Canada to St. Louis

Select to see more specific information for flights to St. Louis from all departure points in Canada.

Destination information for St. Louis

Things to know before you go - useful duration and weather info for your trip from Canada to St. Louis.
Today's exchange rate
C$ 1 = $0.79
Flight duration from Canada to STL
2h 03m
Average temperature for May in St. Louis
26.0 °C
Avg rainfall for May in St. Louis
130.0 mm

Airports servicing St. Louis

Top 8 airlines flying from Canada to Lambert-St Louis

The chart below displays the airlines Cheapflights users travelling from Canada 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
Delta
C$ 235 C$ 556 No cancel fee N/A
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Air Canada
C$ 237 C$ 592 No cancel fee 67%
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Alaska Airlines
C$ 256 C$ 528 No cancel fee 75%
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WestJet
C$ 292 C$ 625 No cancel fee 60%
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American Airlines
C$ 301 C$ 570 No cancel fee 71%
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United Airlines
C$ 306 C$ 610 No cancel fee 69%
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British Airways
C$ 422 C$ 485 No cancel fee 70%
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Endeavor Airlines
C$ 675 C$ 820 No cancel fee N/A

We couldn't confirm the COVID-19 safety measures taken by Endeavor Airlines. Please check directly on their website for additional information.

Search Endeavor Airlines flights
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