Find flights
When to book
Airlines
FAQs

Cheap flights from Alberta to St. Louis from C$ 260

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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — STL
5 May — 12 May1
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 30 April 2025.

Round-trip from

C$ 466

One-way from

C$ 260

Popular in

November

Cheapest in

January

Average price

C$ 608
American Airlines
  • American Airlines
  • 9/6-16/6
  • 2 total stops
  • 21h 15m total
  • Alberta to St. Louis
Search Deals
12/6
  • 12/6
  • 1 total stop
  • 23h 17m total
  • Alberta to St. Louis
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 44 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 April 2025
Search Deals

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 30 April 2025.

Mon 9/66:45 a.m.YYC - STL
1 stop13h 09mAmerican Airlines
Mon 16/64:23 p.m.STL - YYC
1 stop8h 06mAmerican Airlines
Deal found 27/4C$ 466
Fri 13/66:15 a.m.YYC - STL
1 stop13h 48mUnited Airlines
Mon 23/65:27 p.m.STL - YYC
1 stop6h 26mUnited Airlines
Deal found 29/4C$ 496
Sun 8/612:30 a.m.YYC - STL
1 stop11h 05mWestJet
Mon 16/68:49 a.m.STL - YYC
1 stop13h 08mWestJet
Deal found 27/4C$ 508
Fri 20/66:45 a.m.YYC - STL
1 stop15h 34mBritish Airways
Mon 30/68:35 a.m.STL - YYC
1 stop15h 54mBritish Airways
Deal found 29/4C$ 515
Mon 26/57:00 a.m.YYC - STL
2 stops9h 00mDelta
Mon 2/67:30 a.m.STL - YYC
2 stops10h 26mDelta
Deal found 27/4C$ 523
Tue 6/512:30 a.m.YYC - STL
1 stop15h 05mMultiple Airlines
Mon 12/59:55 p.m.STL - YYC
1 stop14h 55mMultiple Airlines
Deal found 28/4C$ 609
Mon 15/128:45 p.m.YEG - STL
2 stops13h 01mWestJet
Wed 31/125:17 p.m.STL - YEG
1 stop19h 43mWestJet
Deal found 28/4C$ 624
Tue 9/911:44 a.m.YEG - STL
1 stop11h 15mAlaska Airlines
Tue 30/96:30 p.m.STL - YEG
1 stop17h 24mAlaska Airlines
Deal found 28/4C$ 649
Tue 9/910:15 a.m.YEG - STL
2 stops12h 38mUnited Airlines
Sun 28/98:10 a.m.STL - YEG
1 stop9h 15mUnited Airlines
Deal found 28/4C$ 653
Wed 10/97:40 a.m.YEG - STL
2 stops10h 53mAir Canada
Sun 28/99:20 a.m.STL - YEG
1 stop8h 05mAir Canada
Deal found 28/4C$ 655
Wed 10/98:05 a.m.YEG - STL
2 stops13h 57mDelta
Mon 29/910:45 a.m.STL - YEG
2 stops11h 27mDelta
Deal found 28/4C$ 716

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 April 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 9/6

6:45 a.m.-8:54 p.m.

1 stop13h 09m

Lambert-St Louis

Mon 16/6

4:23 p.m.-11:29 p.m.

1 stop8h 06m

C$ 466

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 13/6

6:45 a.m.-4:53 p.m.

1 stop9h 08m

Lambert-St Louis

Mon 23/6

9:28 a.m.-8:57 p.m.

2 stops12h 29m

C$ 496

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Sun 8/6

12:30 a.m.-12:35 p.m.

1 stop11h 05m

Lambert-St Louis

Mon 16/6

8:49 a.m.-8:57 p.m.

1 stop13h 08m

C$ 508

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 20/6

6:45 a.m.-11:19 p.m.

1 stop15h 34m

Lambert-St Louis

Mon 30/6

8:35 a.m.-11:29 p.m.

1 stop15h 54m

C$ 515

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Tue 9/9

11:44 a.m.-11:59 p.m.

1 stop11h 15m

Lambert-St Louis

Tue 30/9

6:30 p.m.-10:54 a.m.

1 stop17h 24m

C$ 649

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Tue 9/9

10:15 a.m.-11:53 p.m.

2 stops12h 38m

Lambert-St Louis

Sat 27/9

1:39 p.m.-10:03 p.m.

1 stop9h 24m

C$ 653

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Wed 10/9

7:40 a.m.-7:33 p.m.

2 stops10h 53m

Lambert-St Louis

Wed 24/9

9:00 a.m.-10:04 p.m.

1 stop14h 04m

C$ 655

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Thu 11/9

8:45 p.m.-12:25 p.m.

2 stops14h 40m

Lambert-St Louis

Sun 28/9

8:50 a.m.-3:59 p.m.

1 stop8h 09m

C$ 664

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Mon 26/5

11:05 a.m.-6:41 p.m.

2 stops30h 36m

Lambert-St Louis

Mon 2/6

9:50 a.m.-6:28 p.m.

3 stops33h 38m

C$ 671

EdmontonSt. Louis

YEG - STL

YEGSTL

Edmonton

Wed 10/9

8:05 a.m.-11:02 p.m.

2 stops13h 57m

Lambert-St Louis

Thu 25/9

11:51 a.m.-12:27 a.m.

2 stops13h 36m

C$ 716

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

Showing 1-10 of 21 results
1
2
3

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$ 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 30 April 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 30 April 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and United Airlines 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.
Alaska Airlines
8.0
Very good
9,968 reviews
Check prices

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,968 reviews
Alaska Airlines
8.0
Very good
9,968 reviews
Check prices

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,936 reviews
Alaska Airlines
8.0
Very good
9,968 reviews
Check prices

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,968 reviews
Check prices

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,968 reviews
Check prices

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
WestJet
7.2
Good
2,826 reviews
Alaska Airlines
8.0
Very good
9,968 reviews
Check prices

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 Delta (C$ 281), American Airlines (C$ 282), and Air Canada (C$ 289).

  • 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
Chesterfield
St. Peters

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Alberta to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to St. Louis flights
Pearson Intl to Kansas City flights
Pierre Elliott Trudeau Intl to St. Louis flights
Pearson Intl to Springfield flights
Vancouver Intl to Kansas City flights
Pierre Elliott Trudeau Intl to Kansas City flights
Calgary to Kansas City flights
Edmonton to St. Louis flights
Vancouver Intl to St. Louis flights
Halifax to Kansas City flights
Winnipeg to Kansas City flights
Edmonton to Kansas City flights
Ottawa to Kansas City flights
Ottawa to St. Louis flights
Calgary to St. Louis flights
Abbotsford to Kansas City flights
Comox to Kansas City flights
Pearson Intl to Quincy flights
Saskatoon to St. Louis flights
Québec City to St. Louis flights
Charlottetown to St. Louis flights
Victoria to St. Louis flights
Victoria to Kansas City flights
Halifax to St. Louis flights
Vancouver Intl to Springfield flights
Regina to Branson flights
Saskatoon to Kansas City flights
Pearson Intl to Columbia flights
Calgary to Columbia flights
Edmonton to Columbia flights
Pierre Elliott Trudeau Intl to Cape Girardeau flights

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 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 337AverageC$ 646FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 341AverageC$ 662FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 379AverageC$ 436FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 445AverageC$ 739FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.