Cheap flights from Calgary to Lambert-St Louis Intl

Round-trip
Economy
Calgary (YYC)
St. Louis (STL)
Depart
Return
Any month
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The best prices from Calgary to Lambert-St Louis Intl are usually found in April or June, booked 34 days in advance, depart on a Wednesday or Saturday and return on a Monday

How to find the cheapest flight from
Calgary (YYC) to Lambert-St Louis Intl (STL)

All the information you need to plan the best YYC to STL flight in 2021: compare Calgary to Lambert-St Louis Intl flight prices with the expected peak season, weather and rainfall in Lambert-St Louis Intl.
YYC - STL
Price
C$ 356 - C$ 625
STL
Temperature
7 - 32 °C
STL
Rainfall
57 - 130 mm

Popular in

September

High demand for flights, 30% potential price rise

Cheapest in

April

Best time to find cheap flights, 19% potential price drop

Average price

C$ 356

Average for round-trip flights in April 2021

Round-trip from

C$ 356

From Calgary to Lambert-St Louis Intl

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Calgary to Lambert-St Louis Intl?

Saturday flights are found to be more expensive to fly from Calgary to Lambert-St Louis Intl. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Lambert-St Louis Intl.

How far in advance should I book a flight from Calgary to Lambert-St Louis Intl?

Users have found that booking a flight from Calgary to Lambert-St Louis Intl 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 Calgary to Lambert-St Louis Intl for as little as C$ 569 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$ 679 for flights departing within the next 3 days.

What is the cheapest month to fly from Calgary to Lambert-St Louis Intl?

Flights from Calgary to Lambert-St Louis Intl lean towards being more expensive in June. Prices are generally better when you fly from Calgary to Lambert-St Louis Intl in February, with the cheapest ticket starting at C$ 215.

When is the cheapest time to fly from Calgary to Lambert-St Louis Intl (YYC - STL)?

It’s typically best to fly out from Calgary to Lambert-St Louis Intl at noon. Doing so could potentially save you 62% on the flight price compared to flying in the afternoon, which is usually more expensive.

Calgary to Lambert-St Louis Intl 2021 flight deals

Cheap flights to Lambert-St Louis Intl from Calgary found for this year
26 Oct - 28 Oct
C$ 369pp
YYC
Calgary
Delta
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Delta
 
1 STOP
YYC
Calgary
26 Oct - 28 Oct
C$ 370pp
YYC
Calgary
Delta
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Delta
 
1 STOP
YYC
Calgary
17 Jun - 22 Jun
C$ 371pp
YYC
Calgary
American Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
 
1 STOP
YYC
Calgary

Related info for your journey

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

Flight FAQs

From Calgary to Lambert-St Louis Intl

Can I find flights from Calgary to Lambert-St Louis Intl for under C$ 750 on Cheapflights?

Yes, there are multiple flights from Calgary to Lambert-St Louis Intl for under C$ 750. The cheapest flight booked recently is on Delta for just C$ 637, but on average you can expect to pay C$ 1,126.

What safety measures are being taken by airlines flying from Calgary to Lambert-St Louis to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Delta is one of them. Some of the new policies that have been implemented to accommodate travellers flying from Calgary to Lambert-St Louis are improved sanitation, HEPA filters, mask requirements, socially-distanced seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

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

Due to the rapidly changing circumstances due to COVID-19, airlines like United Airlines, American Airlines, and WestJet flying from Calgary to Lambert-St Louis have implemented new flexible cancellation policies.

Are there direct flights from Calgary to Lambert-St Louis Intl for under C$ 625 on Cheapflights?

There are no direct flights from Calgary to Lambert-St Louis Intl, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

How popular is this flight route?

Within the past month, 79 users have taken a look at flights from Calgary to Lambert-St Louis.

Does it rain more in Calgary or St Louis?

The rainfall in Calgary is generally more than the rainfall in St Louis. This will continue over the next 14 days.

Is Calgary weather warmer or cooler than St Louis?

With an average temperature of 32 °C, peak weather can be found in July. As a traveller, expect to see changes in flight prices during that period. The temperatures in St Louis are hotter than in Calgary.

How long is the flight from Calgary to Lambert-St Louis Intl?

Airlines like United Airlines and Delta fly from Calgary to Lambert-St Louis Intl in about 5h 21m. The time it takes to get you to your destination can typically vary by up to 41m. This flight may include one or multiple stops.

What are the cheapest airlines to flying from Calgary to Lambert-St Louis Intl round-trip?

Delta, at C$ 637, was found to be the cheapest airline from Calgary to Lambert-St Louis Intl. An alternate airline flying to your destination would be United Airlines.

Destination information for Lambert-St Louis Intl

Things to know before you go - useful duration and weather info for your trip from Calgary to Lambert-St Louis Intl.
Today's exchange rate
C$ 1 = $0.80
Average temperature for April in Lambert-St Louis Intl
21.0 °C
Avg rainfall for April in Lambert-St Louis Intl
104.0 mm

Airports servicing Calgary

Airports servicing St. Louis

Top 5 airlines flying from Calgary to Lambert-St Louis Intl

The chart below displays the airlines Cheapflights users travelling from Calgary to Lambert-St Louis Intl 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
WestJet
C$ 252 C$ 346 No cancel fee 60%
Search WestJet flights
Delta
C$ 159 C$ 384 No cancel fee N/A
Search Delta flights
Air Canada
C$ 280 C$ 411 No cancel fee 67%
Search Air Canada flights
American Airlines
C$ 218 C$ 441 No cancel fee 71%
Search American Airlines flights
United Airlines
C$ 269 C$ 601 No cancel fee 69%
Search United Airlines flights
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