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Cheap flights from Alberta to St. Louis from C$ 302

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — STL
6 Mar — 13 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Alberta to St. Louis

Enter your travel dates to find the best prices.

Cheapest flights from Alberta to St. Louis
Explore the most affordable flight options available from Alberta to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 February 2026.

Wed 6/59:30 p.m.
YEG
-
STL
2 stops12h 00m
Multiple Airlines
Wed 13/57:56 p.m.
STL
-
YEG
1 stop15h 53m
Multiple Airlines
Deal found 3/2C$ 519
Wed 6/56:25 p.m.
YEG
-
STL
2 stops14h 11m
WestJet
Wed 13/56:20 a.m.
STL
-
YEG
2 stops10h 30m
WestJet
Deal found 3/2C$ 605
Sat 28/211:37 a.m.
YEG
-
STL
1 stop25h 46m
Alaska Airlines
Wed 4/37:00 a.m.
STL
-
YEG
1 stop28h 47m
Alaska Airlines
Deal found 2/2C$ 616
Wed 6/511:59 a.m.
YEG
-
STL
1 stop11h 00m
Alaska Airlines
Wed 13/57:56 p.m.
STL
-
YEG
1 stop15h 53m
Alaska Airlines
Deal found 3/2C$ 645
Wed 18/212:40 p.m.
YYC
-
STL
1 stop10h 45m
Delta
Tue 24/211:23 a.m.
STL
-
YYC
2 stops8h 49m
Delta
Deal found 3/2C$ 657
Wed 18/26:15 a.m.
YYC
-
STL
1 stop13h 11m
United Airlines
Tue 24/26:25 a.m.
STL
-
YYC
1 stop6h 06m
United Airlines
Deal found 3/2C$ 662
Wed 6/56:00 a.m.
YEG
-
STL
1 stop9h 57m
United Airlines
Wed 13/52:35 p.m.
STL
-
YEG
1 stop8h 29m
United Airlines
Deal found 3/2C$ 686
Thu 12/35:55 a.m.
YEG
-
STL
1 stop8h 34m
Air Canada
Mon 16/34:05 p.m.
STL
-
YEG
1 stop8h 13m
Air Canada
Deal found 2/2C$ 702
Tue 24/31:25 p.m.
YYC
-
STL
1 stop9h 34m
Multiple Airlines
Sat 28/312:14 p.m.
STL
-
YYC
2 stops36h 51m
Multiple Airlines
Deal found 3/2C$ 708
Tue 24/35:35 a.m.
YYC
-
STL
1 stop8h 54m
Air Canada
Sat 28/34:05 p.m.
STL
-
YYC
1 stop10h 09m
Air Canada
Deal found 3/2C$ 712
Tue 22/97:00 p.m.
YYC
-
STL
1 stop18h 26m
Alaska Airlines
Mon 28/96:20 p.m.
STL
-
YYC
2 stops17h 09m
Alaska Airlines
Deal found 2/2C$ 735
Thu 12/35:55 a.m.
YEG
-
STL
1 stop8h 34m
Air Canada
Sun 15/34:05 p.m.
STL
-
YEG
1 stop8h 13m
Air Canada
Deal found 2/2C$ 735

Find flight deals from Alberta to St. Louis

Keep the following information in mind while searching for Alberta to St. Louis flight deals. Data was last updated 4 February 2026.

Round-trip from

C$ 519

One-way from

C$ 302

Popular in

November

Cheapest in

February

Average price

C$ 564
Alaska Airlines
  • Alaska Airlines
  • 6/5-13/5
  • 3 total stops
  • 27h 53m total
  • Alberta to St. Louis
Search Deals
5/3
  • 5/3
  • 3 total stops
  • 35h 14m total
  • Alberta to St. Louis
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Alberta to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 4 February 2026.
Use the filters below to find and compare flights from Alberta to St. Louis that are best for you.

Fly from

Alberta

Fly to

St. Louis

Route

Depart

Return

Price

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Wed 6/5

9:30 p.m.-10:30 a.m.

2 stops12h 00m

Lambert-St Louis

Wed 13/5

7:56 p.m.-10:49 a.m.

1 stop15h 53m

C$ 519

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Wed 6/5

6:25 p.m.-9:36 a.m.

2 stops14h 11m

Lambert-St Louis

Wed 13/5

6:20 a.m.-3:50 p.m.

2 stops10h 30m

C$ 605

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Sat 28/2

11:37 a.m.-2:23 p.m.

1 stop25h 46m

Lambert-St Louis

Wed 4/3

7:00 a.m.-10:47 a.m.

1 stop28h 47m

C$ 616

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Wed 6/5

11:59 a.m.-11:59 p.m.

1 stop11h 00m

Lambert-St Louis

Wed 13/5

7:56 p.m.-10:49 a.m.

1 stop15h 53m

C$ 645

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Wed 18/2

12:40 p.m.-12:25 a.m.

1 stop10h 45m

Lambert-St Louis

Tue 24/2

11:23 a.m.-7:12 p.m.

2 stops8h 49m

C$ 657

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Wed 18/2

6:15 a.m.-8:26 p.m.

1 stop13h 11m

Lambert-St Louis

Tue 24/2

6:25 a.m.-11:31 a.m.

1 stop6h 06m

C$ 662

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Wed 6/5

6:00 a.m.-4:57 p.m.

1 stop9h 57m

Lambert-St Louis

Wed 13/5

2:35 p.m.-10:04 p.m.

1 stop8h 29m

C$ 686

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Tue 24/3

1:25 p.m.-11:59 p.m.

1 stop9h 34m

Lambert-St Louis

Sat 28/3

12:14 p.m.-12:05 a.m.

2 stops36h 51m

C$ 708

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Tue 24/3

5:35 a.m.-3:29 p.m.

1 stop8h 54m

Lambert-St Louis

Sat 28/3

4:05 p.m.-1:14 a.m.

1 stop10h 09m

C$ 712

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Thu 12/3

5:55 a.m.-3:29 p.m.

1 stop8h 34m

Lambert-St Louis

Sun 15/3

4:05 p.m.-11:18 p.m.

1 stop8h 13m

C$ 735

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

Showing 1-10 of 24 results
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Best time to book a flight from Alberta to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Alberta with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Alberta to St. Louis

What is the cheapest month to book a flight from Alberta to St. Louis?

Currently, May is the cheapest month in which you can book a flight from Alberta to St. Louis (average of C$ 412). Flying from Alberta to St. Louis in December is currently the most expensive (average of C$ 642). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Alberta to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    For a flight from Alberta to St. Louis, you will be flying into Lambert-St Louis. Lambert-St Louis (STL) is just 20.4 km from the centre of the city.

  • How long is the flight from Alberta to St. Louis?

    For as low as C$ 657, WestJet can have you in St. Louis from Alberta in 10h 45m. The distance between Alberta and St. Louis is about 2297 km. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Alberta to St. Louis that include hotel bookings?

    Yes. In addition to deals on Alberta to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Alberta to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Alberta to St. Louis.

  • Can I find deals for business class flights from Alberta to St. Louis?

    Yes. Cheapflights offers flight deals from Alberta to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Alberta to St. Louis?

    Currently, May is the cheapest month in which you can book a flight from Alberta to St. Louis (average of C$ 412). Flying from Alberta to St. Louis in December is currently the most expensive (average of C$ 642). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Chesterfield

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Top 3 airlines flying from Alberta to St. Louis

Discover the top 3 airlines that operate flights from Alberta to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 4 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 357AverageC$ 622FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 439AverageC$ 610FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 563AverageC$ 659FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Alberta to St. Louis?

When you search for this flight from Alberta to St. Louis, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Alberta to St. Louis?

Cheapflights helps you find that perfect flight to St. Louis from Alberta by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Alberta to St. Louis with no change fees?

Yes! Cheapflights helps users easily find flights from Alberta to St. Louis with no change fees.

Can Cheapflights notify me if prices for flights from Alberta to St. Louis become cheaper?

Yes, Cheapflights offers price alerts on Alberta to St. Louis flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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