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Cheap flights from Alberta to St. Louis from C$ 185

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 24/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — STL
17 Jan — 24 Jan1
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 18 December 2025.

Fri 19/126:30 a.m.YYC - STL
1 stop12h 00mAmerican Airlines
Fri 2/15:16 a.m.STL - YYC
1 stop7h 23mAmerican Airlines
Deal found 16/12C$ 765
Fri 19/1212:15 p.m.YYC - STL
2 stops10h 12mWestJet
Fri 2/111:59 a.m.STL - YYC
2 stops34h 03mWestJet
Deal found 16/12C$ 933
Wed 17/126:00 a.m.YEG - STL
1 stop13h 57mAir Canada
Tue 23/124:05 p.m.STL - YEG
1 stop8h 13mAir Canada
Deal found 16/12C$ 1,139
Wed 17/128:50 p.m.YEG - STL
2 stops25h 39mWestJet
Tue 23/126:05 a.m.STL - YEG
2 stops19h 39mWestJet
Deal found 16/12C$ 1,257
Wed 17/123:17 p.m.YEG - STL
1 stop21h 03mMultiple Airlines
Tue 23/129:00 a.m.STL - YEG
1 stop6h 14mMultiple Airlines
Deal found 17/12C$ 1,974
Wed 17/123:17 p.m.YEG - STL
3 stops20h 10mUnited Airlines
Tue 23/126:30 a.m.STL - YEG
2 stops12h 54mUnited Airlines
Deal found 17/12C$ 2,089

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 18 December 2025.

Round-trip from

C$ 299

One-way from

C$ 185

Popular in

November

Cheapest in

January

Average price

C$ 646
31/1-7/2
  • 31/1-7/2
  • 3 total stops
  • 48h 27m total
  • Alberta to St. Louis
Search Deals
24/1
  • 24/1
  • 1 total stop
  • 29h 21m total
  • Alberta to St. Louis
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 75 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 18 December 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

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Fri 9/1

12:50 p.m.-10:33 p.m.

2 stops32h 43m

Lambert-St Louis

Fri 16/1

8:32 p.m.-12:11 p.m.

1 stop16h 39m

C$ 422

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Sat 31/1

7:35 p.m.-12:08 p.m.

1 stop15h 33m

Lambert-St Louis

Sat 7/2

8:22 p.m.-11:43 a.m.

1 stop16h 21m

C$ 427

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 22/1

6:30 a.m.-4:45 p.m.

1 stop9h 15m

Lambert-St Louis

Mon 26/1

5:25 p.m.-8:54 p.m.

1 stop28h 29m

C$ 536

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Fri 30/1

9:15 a.m.-10:43 a.m.

1 stop24h 28m

Lambert-St Louis

Mon 2/2

6:10 a.m.-3:55 p.m.

1 stop10h 45m

C$ 612

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 22/1

6:15 a.m.-1:16 p.m.

1 stop6h 01m

Lambert-St Louis

Mon 26/1

9:57 a.m.-8:59 p.m.

2 stops12h 02m

C$ 685

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Sat 31/1

6:30 a.m.-8:43 p.m.

2 stops13h 13m

Lambert-St Louis

Sat 7/2

9:59 a.m.-11:02 p.m.

2 stops14h 03m

C$ 690

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Fri 9/1

9:15 a.m.-11:25 p.m.

1 stop13h 10m

Lambert-St Louis

Fri 16/1

6:10 a.m.-3:59 p.m.

1 stop10h 49m

C$ 722

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Thu 29/1

12:05 a.m.-8:43 p.m.

2 stops19h 38m

Lambert-St Louis

Mon 2/2

6:10 a.m.-12:39 a.m.

2 stops19h 29m

C$ 736

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 22/1

7:00 a.m.-4:45 p.m.

2 stops8h 45m

Lambert-St Louis

Mon 26/1

6:10 a.m.-2:00 p.m.

2 stops8h 50m

C$ 756

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Sat 24/1

12:30 a.m.-6:51 a.m.

1 stop29h 21m

C$ 185

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/12

Showing 1-10 of 17 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$ 336). Flying from Alberta to St. Louis in June is currently the most expensive (average of C$ 628). 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 18 December 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$ 536, Delta can have you in St. Louis from Alberta in 9h 15m. The distance between Alberta and St. Louis is about 2297 km.

  • 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$ 336). Flying from Alberta to St. Louis in June is currently the most expensive (average of C$ 628). 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 18 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 412AverageC$ 733FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 443AverageC$ 648FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 568AverageC$ 703FlexibilityNo 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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