Cheap flights from Alberta to St. Louis from C$ 376
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Alberta to St. Louis departing on 3/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Find the cheapest flights from Alberta to St. Louis
Cheap round-trip flights
Cheap one-way flights
Cheap last-minute flights
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Early arrival? Instantly customize your resultsTrusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Air Canada flights from Alberta to St. Louis
Our best Air Canada deals on Alberta to St. Louis flight tickets
WestJet flights from Alberta to St. Louis
Our best WestJet deals on Alberta to St. Louis flight tickets
momondo Fare Finder
Use the filters below to find and compare flights from Alberta to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
CalgarySt. Louis
YYC Calgary - STL Lambert-St Louis
YYCSTL
Calgary
Wed 18/11
7:00 a.m.-2:26 p.m.
1 stop7h 26m
Lambert-St Louis
Wed 25/11
4:05 p.m.-1:21 a.m.
1 stop9h 16m
CalgarySt. Louis
YYC Calgary - STL Lambert-St Louis
YYCSTL
Calgary
Tue 3/11
7:00 a.m.-2:26 p.m.
1 stop7h 26m
Lambert-St Louis
Tue 10/11
4:05 p.m.-1:21 a.m.
1 stop9h 16m
CalgarySt. Louis
YYC Calgary - STL Lambert-St Louis
YYCSTL
Calgary
Fri 20/11
1:35 p.m.-11:40 p.m.
1 stop10h 05m
Lambert-St Louis
Fri 27/11
6:13 a.m.-2:15 p.m.
1 stop8h 02m
CalgarySt. Louis
YYC Calgary - STL Lambert-St Louis
YYCSTL
Calgary
Tue 3/11
7:25 a.m.-7:51 p.m.
2 stops12h 26m
Lambert-St Louis
Tue 10/11
10:05 a.m.-1:17 a.m.
2 stops15h 12m
CalgarySt. Louis
YYC Calgary - STL Lambert-St Louis
YYCSTL
Calgary
Tue 3/11
1:33 p.m.-8:09 p.m.
1 stop6h 36m
Lambert-St Louis
Tue 10/11
10:05 a.m.-1:17 a.m.
2 stops15h 12m
CalgarySt. Louis
YYC Calgary - STL Lambert-St Louis
YYCSTL
Calgary
Thu 3/12
1:37 p.m.-9:59 p.m.
1 stop8h 22m
Lambert-St Louis
Sun 6/12
6:30 a.m.-1:35 p.m.
1 stop7h 05m
CalgarySt. Louis
YYC Calgary - STL Lambert-St Louis
YYCSTL
Calgary
Tue 20/10
6:00 a.m.-11:44 p.m.
1 stop16h 44m
Lambert-St Louis
Wed 21/10
6:00 a.m.-11:28 a.m.
1 stop6h 28m
CalgarySt. Louis
YYC Calgary - STL Lambert-St Louis
YYCSTL
Calgary
Thu 3/12
12:15 p.m.-10:26 p.m.
2 stops10h 11m
Lambert-St Louis
Sun 6/12
6:03 a.m.-7:30 p.m.
2 stops13h 27m
CalgarySt. Louis
YYC Calgary - STL Lambert-St Louis
YYCSTL
Calgary
Thu 3/12
8:45 a.m.-5:13 p.m.
1 stop8h 28m
Lambert-St Louis
Sun 6/12
6:03 a.m.-6:30 p.m.
2 stops12h 27m
EdmontonSt. Louis
YEG Edmonton - STL Lambert-St Louis
YEGSTL
Edmonton
Sat 31/10
6:00 a.m.-3:23 p.m.
1 stop8h 23m
Lambert-St Louis
Mon 2/11
4:05 p.m.-1:28 a.m.
1 stop9h 23m
See travel insights to St. Louis from
How to get the cheapest flight ticket from Alberta to St. Louis
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to St. Louis?
The month of May is, on average, the cheapest month to fly to St. Louis from Alberta, with most prices found around C$ 456. If you don’t want to visit St. Louis in May, then you should wait until March to fly from Alberta, when ticket prices are also cheap, with an average price of C$ 560.
Can stopping save me money on Alberta to St. Louis flights?
You could potentially save up to 17% on your flight if you consider stops on a Alberta to St. Louis flight.
What is the cheapest airline that flies from Alberta to Lambert-St Louis?
Delta, United Airlines, and Air Canada are the most popular carriers operating from Alberta to Lambert-St Louis
Which airlines fly to St. Louis?
WestJet, Delta and Air Canada are the top three most popular airlines that fly to St. Louis from Alberta according to our data. WestJet is the first choice among our users, with 50% of people opting to fly with this airline when travelling to St. Louis. Keep in mind that there are 3 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.
Cheap Alberta to St. Louis flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Alberta to St. Louis
Frequently asked questions about flying from Alberta to St. Louis
When did momondo last update prices for flights from Alberta to Lambert-St Louis Airport?
Prices for flights from Alberta to Lambert-St Louis Airport refresh daily.
How many operators does momondo search for flights from Alberta to Lambert-St Louis Airport?
As of October 2026, there are 3 operators available to choose from for flights from Alberta to Lambert-St Louis Airport.
How old do you have to be to fly from Alberta to Lambert-St Louis Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Alberta to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Alberta to St. Louis
Compare and see reviews for airlines that fly from Alberta to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 356 | Free Cancellation | Rating 7.8 8,633 reviews | |||
| PriceFrom C$ 558 | Free Cancellation | Rating 7.1 11,731 reviews | |||
| PriceFrom C$ 582 | Free Cancellation | Rating 7.2 3,453 reviews |
Travelling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Alberta to St. Louis?
It is quick and easy to find Alberta to St. Louis flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.
Can I find flights from Alberta to St. Louis with flexible booking policies on momondo?
momondo does allow users to show only those flights to St. Louis from Alberta which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Alberta to St. Louis?
Once you have performed a search for Alberta to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Alberta to St. Louis right now. Can momondo alert me if prices change?
If you are simply researching potential flights to St. Louis, momondo offers a useful price alert feature which will track prices for flights to St. Louis from Alberta and alert you when they change.