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Cheap flights from Alberta to St. Louis from C$ 237

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 4/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — STL
25 Feb — 4 Mar1
1 adult

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 20 February 2025.

Round-trip from

C$ 457

One-way from

C$ 237

Popular in

June

Cheapest in

January

Average price

C$ 587
Delta
  • Delta
  • 2/3-8/3
  • 2 total stops
  • 16h 33m total
  • Alberta to St. Louis
Search Deals
Air Canada
  • Air Canada
  • 4/4
  • 1 total stop
  • 7h 34m total
  • Alberta to St. Louis
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 116 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
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Find flight deals from Alberta to St. Louis

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 20 February 2025.

Sun 2/36:35 a.m.YYC - STL
1 stop9h 18mDelta
Sat 8/35:00 p.m.STL - YYC
1 stop7h 15mDelta
Deal found 20/2C$ 457
Thu 27/26:14 a.m.YYC - STL
1 stop9h 19mAir Canada
Tue 18/31:45 p.m.STL - YYC
1 stop8h 56mAir Canada
Deal found 20/2C$ 462
Tue 1/46:00 a.m.YYC - STL
2 stops9h 52mWestJet
Wed 16/411:23 a.m.STL - YYC
2 stops8h 42mWestJet
Deal found 20/2C$ 506
Sun 13/412:45 a.m.YEG - STL
2 stops39h 31mMultiple Airlines
Tue 22/46:11 p.m.STL - YEG
3 stops31h 21mMultiple Airlines
Deal found 19/2C$ 511
Sun 6/411:30 a.m.YYC - STL
2 stops31h 40mMultiple Airlines
Sun 13/412:15 p.m.STL - YYC
2 stops32h 21mMultiple Airlines
Deal found 20/2C$ 531
Sat 22/116:30 a.m.YEG - STL
2 stops10h 33mWestJet
Fri 28/116:30 a.m.STL - YEG
2 stops9h 25mWestJet
Deal found 19/2C$ 621
Sat 29/36:00 a.m.YEG - STL
1 stop8h 06mAir Canada
Sat 12/41:43 p.m.STL - YEG
1 stop9h 21mAir Canada
Deal found 19/2C$ 845
Sat 5/46:00 a.m.YEG - STL
1 stop14h 50mUnited Airlines
Sat 12/48:48 a.m.STL - YEG
1 stop6h 20mUnited Airlines
Deal found 19/2C$ 902
Wed 26/115:25 p.m.YEG - STL
1 stop19h 27mAlaska Airlines
Tue 2/127:00 a.m.STL - YEG
1 stop10h 40mAlaska Airlines
Deal found 19/2C$ 1,219

Find flights from Alberta to St. Louis within your budget

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 20 February 2025.

Fly from

Alberta

Fly to

St. Louis

Route

Depart

Return

Price

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Sun 2/3

6:35 a.m.-4:53 p.m.

1 stop9h 18m

Lambert-St Louis

Sat 8/3

5:00 p.m.-11:15 p.m.

1 stop7h 15m

C$ 457

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Tue 1/4

6:00 a.m.-4:52 p.m.

2 stops9h 52m

Lambert-St Louis

Wed 16/4

11:23 a.m.-7:05 p.m.

2 stops8h 42m

C$ 506

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Sun 13/4

12:45 a.m.-5:16 p.m.

2 stops39h 31m

Lambert-St Louis

Tue 22/4

6:11 p.m.-12:32 a.m.

3 stops31h 21m

C$ 511

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Sun 6/4

11:30 a.m.-8:10 p.m.

2 stops31h 40m

Lambert-St Louis

Sun 13/4

12:15 p.m.-7:36 p.m.

2 stops32h 21m

C$ 531

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Mon 14/4

7:00 a.m.-5:56 p.m.

2 stops9h 56m

Lambert-St Louis

Tue 22/4

6:00 a.m.-10:47 p.m.

2 stops17h 47m

C$ 629

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 6/6

12:38 p.m.-10:45 p.m.

1 stop9h 07m

Lambert-St Louis

Sun 15/6

1:30 p.m.-11:06 p.m.

1 stop10h 36m

C$ 659

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Sat 29/3

6:00 a.m.-3:06 p.m.

1 stop8h 06m

Lambert-St Louis

Sat 12/4

1:43 p.m.-10:04 p.m.

1 stop9h 21m

C$ 845

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Sat 5/4

6:00 a.m.-9:50 p.m.

1 stop14h 50m

Lambert-St Louis

Sat 12/4

8:48 a.m.-2:08 p.m.

1 stop6h 20m

C$ 902

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 4/4

6:15 a.m.-2:49 p.m.

1 stop7h 34m

C$ 237

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 20/3

7:00 a.m.-11:34 a.m.

2 stops27h 34m

C$ 274

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/2

Showing 1-10 of 16 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.

Travel insights for flights from Alberta to St. Louis

Get recent, data-driven insights about flights from Alberta to St. Louis including ideal travel times, pricing trends, and more.

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$ 365). Flying from Alberta to St. Louis in September is currently the most expensive (average of C$ 491). 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 20 February 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Alberta to St. Louis as you normally would.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 56.0 - 119.0 mm per month. May is typically the wettest month, when rainfall can reach 119.0 mm. February is typically the driest time to visit St. Louis when rainfall is around 56.0 mm.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated 20 February 2025.
Get a feel of what it's like to fly with Delta, United Airlines and WestJet from Alberta to St. Louis by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,220 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,220 reviews
Delta
8.0
Very good
8,220 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,766 reviews
Delta
8.0
Very good
8,220 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

WestJet
7.2
Good
2,801 reviews
Delta
8.0
Very good
8,220 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air Canada
7.0
Good
8,748 reviews
Delta
8.0
Very good
8,220 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • What are the cheapest airlines to fly from Alberta to St. Louis one-way?

    The cheapest airlines for a one-way flight from Alberta to St. Louis are Air Canada (C$ 237), Delta (C$ 293), and WestJet (C$ 378).

  • 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$ 365). Flying from Alberta to St. Louis in September is currently the most expensive (average of C$ 491). 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 Alberta?

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

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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 4 airlines flying from Alberta to St. Louis

Discover the top 4 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 20 February 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 322AverageC$ 671FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 350AverageC$ 672FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 388AverageC$ 464FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 546AverageC$ 758FlexibilityNo cancel feeOn-time69%
Search United Airlines 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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