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Cheap flights from Alberta to St. Louis from C$ 190

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 13/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — STL
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 30 October 2025.

Mon 22/121:31 p.m.YYC - STL
1 stop22h 46mAmerican Airlines
Tue 30/128:01 p.m.STL - YYC
1 stop17h 50mAmerican Airlines
Deal found 30/10C$ 348
Tue 25/116:00 a.m.YEG - STL
1 stop8h 29mAir Canada
Tue 2/124:05 p.m.STL - YEG
1 stop8h 10mAir Canada
Deal found 28/10C$ 472
Fri 26/121:31 p.m.YYC - STL
1 stop18h 04mAmerican Airlines
Tue 30/128:01 p.m.STL - YYC
1 stop17h 50mAmerican Airlines
Deal found 29/10C$ 542
Thu 18/121:31 p.m.YYC - STL
1 stop9h 14mAmerican Airlines
Mon 22/125:16 p.m.STL - YYC
1 stop20h 32mAmerican Airlines
Deal found 28/10C$ 550
Mon 24/1112:45 a.m.YEG - STL
1 stop12h 44mMultiple Airlines
Tue 2/123:30 p.m.STL - YEG
2 stops34h 14mMultiple Airlines
Deal found 28/10C$ 564
Wed 26/117:35 p.m.YYC - STL
1 stop24h 34mMultiple Airlines
Mon 1/127:03 p.m.STL - YYC
2 stops41h 41mMultiple Airlines
Deal found 29/10C$ 584
Tue 25/119:00 a.m.YEG - STL
2 stops13h 23mDelta
Tue 2/1212:49 p.m.STL - YEG
2 stops12h 55mDelta
Deal found 28/10C$ 591
Sat 13/1212:45 a.m.YEG - STL
1 stop8h 02mMultiple Airlines
Sun 21/1210:10 p.m.STL - YEG
2 stops35h 32mMultiple Airlines
Deal found 30/10C$ 599
Thu 18/127:30 a.m.YYC - STL
2 stops33h 43mMultiple Airlines
Mon 22/1210:10 p.m.STL - YYC
1 stop14h 51mMultiple Airlines
Deal found 28/10C$ 616
Mon 22/129:00 a.m.YYC - STL
2 stops24h 56mMultiple Airlines
Tue 30/1210:48 a.m.STL - YYC
1 stop25h 56mMultiple Airlines
Deal found 30/10C$ 620
Sat 13/1212:30 a.m.YYC - STL
1 stop8h 17mMultiple Airlines
Sun 21/1210:10 p.m.STL - YYC
2 stops18h 05mMultiple Airlines
Deal found 29/10C$ 626
Fri 28/113:07 p.m.YYC - STL
1 stop7h 16mDelta
Tue 2/1212:49 p.m.STL - YYC
2 stops11h 24mDelta
Deal found 30/10C$ 645

Cheap 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 30 October 2025.

Round-trip from

C$ 348

One-way from

C$ 190

Popular in

November

Cheapest in

January

Average price

C$ 641
American Airlines
  • American Airlines
  • 22/12-30/12
  • 2 total stops
  • 40h 36m total
  • Alberta to St. Louis
Search Deals
13/12
  • 13/12
  • 2 total stops
  • 11h 02m total
  • Alberta to St. Louis
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 76 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 30 October 2025.
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

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Mon 22/12

1:31 p.m.-1:17 p.m.

1 stop22h 46m

Lambert-St Louis

Tue 30/12

8:01 p.m.-12:51 p.m.

1 stop17h 50m

C$ 348

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Tue 25/11

6:00 a.m.-3:29 p.m.

1 stop8h 29m

Lambert-St Louis

Tue 2/12

4:05 p.m.-11:15 p.m.

1 stop8h 10m

C$ 472

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Tue 28/4

6:00 a.m.-3:24 p.m.

1 stop8h 24m

Lambert-St Louis

Wed 29/4

4:05 p.m.-10:59 p.m.

1 stop7h 54m

C$ 473

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 26/12

1:31 p.m.-8:35 a.m.

1 stop18h 04m

Lambert-St Louis

Tue 30/12

8:01 p.m.-12:51 p.m.

1 stop17h 50m

C$ 542

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 18/12

1:31 p.m.-11:45 p.m.

1 stop9h 14m

Lambert-St Louis

Mon 22/12

5:16 p.m.-12:48 p.m.

1 stop20h 32m

C$ 550

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Mon 24/11

12:45 a.m.-2:29 p.m.

1 stop12h 44m

Lambert-St Louis

Tue 2/12

3:30 p.m.-12:44 a.m.

2 stops34h 14m

C$ 570

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Wed 26/11

7:35 p.m.-9:09 p.m.

1 stop24h 34m

Lambert-St Louis

Mon 1/12

7:03 p.m.-11:44 a.m.

2 stops41h 41m

C$ 584

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Tue 25/11

9:00 a.m.-11:23 p.m.

2 stops13h 23m

Lambert-St Louis

Tue 2/12

12:49 p.m.-12:44 a.m.

2 stops12h 55m

C$ 591

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Mon 22/12

9:00 a.m.-10:56 a.m.

2 stops24h 56m

Lambert-St Louis

Tue 30/12

10:48 a.m.-11:44 a.m.

1 stop25h 56m

C$ 620

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Sat 13/12

12:30 a.m.-9:47 a.m.

1 stop8h 17m

Lambert-St Louis

Sun 21/12

10:10 p.m.-3:15 p.m.

2 stops18h 05m

C$ 626

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/10

Showing 1-10 of 13 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, January is the cheapest month in which you can book a flight from Alberta to St. Louis (average of C$ 341). Flying from Alberta to St. Louis in June is currently the most expensive (average of C$ 637). 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.

What is the cheapest time of day to fly from AB to STL?

Find hourly flight availability from Alberta to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 October 2025.

It’s optimal to fly from Alberta to St. Louis at noon. By choosing this option you can save up to 30% on the cost of your flight, compared to a flight in the afternoon.

How much does it cost to fly round-trip from Alberta to St. Louis?

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$ 472, American Airlines can have you in St. Louis from Alberta in 8h 29m. The distance between Alberta and St. Louis is about 2393 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, January is the cheapest month in which you can book a flight from Alberta to St. Louis (average of C$ 341). Flying from Alberta to St. Louis in June is currently the most expensive (average of C$ 637). 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
St. Peters

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Alternative routes for Alberta to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
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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 30 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 340AverageC$ 649FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 449AverageC$ 767FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 576AverageC$ 701FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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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