How far in advance should I book a flight from St. Louis to Alberta?

Travellers have found it’s best to book a flight 56 days in advance to save up to 63% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 56 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from St. Louis to Alberta 1-2 weeks in advance for as low as C$ 426, or C$ 997 for flights within the next 24 hours.

What is the cheapest month to fly from St. Louis to Alberta?

Our data shows that January tends to be the cheapest month to fly to Alberta from St. Louis. Users have commonly found prices around C$ 799 for the month, but tickets can be as low as C$ 224. Due to multiple factors, prepare for potentially higher prices in July.

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

When flying from St. Louis to Alberta, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Located just 20.4 km from the city centre, Lambert-St Louis (STL) is the airport most travellers will use when flying to Alberta from St. Louis.

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

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

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

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

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

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

C$ 268+ Flights from St. Louis to Alberta

Cheap flight deals from St. Louis to Alberta

Round-trip from	C$ 543
One-way from	C$ 268
Popular in	July
Cheapest in	January
Average price	C$ 854

American Airlines
10/3-17/3
2 total stops
38h 32m total
St. Louis to Alberta

Search Deals

4/8
1 total stop
15h 03m total
St. Louis to Alberta

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (C$ 136 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 19 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in February 2025

Search Deals

Find flight deals from St. Louis to Alberta

Cheapest flights from St. Louis to Alberta
Explore the most affordable flight options available from St. Louis to Alberta. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Mon 10/35:37 p.m.STL - YYC

1 stop19h 12mAmerican Airlines

Mon 17/31:22 p.m.YYC - STL

1 stop19h 20mAmerican Airlines

Deal found 20/2C$ 543

Sun 6/46:35 a.m.STL - YYC

2 stops41h 20mMultiple Airlines

Sun 13/411:30 a.m.YYC - STL

2 stops31h 40mMultiple Airlines

Deal found 20/2C$ 548

Mon 10/31:48 p.m.STL - YYC

2 stops10h 28mDelta

Mon 17/37:40 a.m.YYC - STL

1 stop9h 53mDelta

Deal found 20/2C$ 580

Mon 10/36:30 a.m.STL - YYC

2 stops16h 11mUnited Airlines

Mon 17/37:20 p.m.YYC - STL

2 stops19h 11mUnited Airlines

Deal found 20/2C$ 619

Sun 6/43:30 p.m.STL - YYC

1 stop10h 38mAir Canada

Sat 12/412:35 a.m.YYC - STL

1 stop13h 14mAir Canada

Deal found 20/2C$ 629

Thu 13/36:00 a.m.STL - YYC

1 stop15h 42mWestJet

Mon 24/312:30 a.m.YYC - STL

1 stop7h 44mWestJet

Deal found 20/2C$ 643

Wed 14/510:10 a.m.STL - YEG

1 stop10h 38mWestJet

Tue 20/59:25 a.m.YEG - STL

1 stop6h 20mWestJet

Deal found 19/2C$ 744

Sat 16/87:30 p.m.STL - YYC

1 stop16h 07mAlaska Airlines

Thu 28/87:00 a.m.YYC - STL

1 stop10h 37mAlaska Airlines

Deal found 20/2C$ 889

Wed 14/51:30 p.m.STL - YEG

1 stop9h 22mAir Canada

Mon 19/512:55 a.m.YEG - STL

1 stop10h 41mAir Canada

Deal found 19/2C$ 1,108

Wed 14/58:00 a.m.STL - YEG

2 stops15h 04mUnited Airlines

Tue 20/56:00 a.m.YEG - STL

3 stops13h 36mUnited Airlines

Deal found 19/2C$ 1,469

Best flights from St. Louis to Alberta
Discover carefully curated flight deals from St. Louis to Alberta that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 21 February 2025.

Mon 10/35:37 p.m.STL - YYC

1 stop19h 12mAmerican Airlines

Mon 17/31:22 p.m.YYC - STL

1 stop19h 20mAmerican Airlines

Deal found 20/2C$ 543

Sun 6/46:35 a.m.STL - YYC

2 stops41h 20mMultiple Airlines

Sun 13/411:30 a.m.YYC - STL

2 stops31h 40mMultiple Airlines

Deal found 20/2C$ 548

Mon 10/31:48 p.m.STL - YYC

2 stops10h 28mDelta

Mon 17/37:40 a.m.YYC - STL

1 stop9h 53mDelta

Deal found 20/2C$ 580

Mon 10/36:30 a.m.STL - YYC

2 stops16h 11mUnited Airlines

Mon 17/37:20 p.m.YYC - STL

2 stops19h 11mUnited Airlines

Deal found 20/2C$ 619

Sun 6/43:30 p.m.STL - YYC

1 stop10h 38mAir Canada

Sat 12/412:35 a.m.YYC - STL

1 stop13h 14mAir Canada

Deal found 20/2C$ 629

Thu 13/36:00 a.m.STL - YYC

1 stop15h 42mWestJet

Mon 24/312:30 a.m.YYC - STL

1 stop7h 44mWestJet

Deal found 20/2C$ 643

Sat 16/87:30 p.m.STL - YYC

1 stop16h 07mAlaska Airlines

Thu 28/87:00 a.m.YYC - STL

1 stop10h 37mAlaska Airlines

Deal found 20/2C$ 889

Wed 14/510:10 a.m.STL - YEG

1 stop10h 38mWestJet

Tue 20/59:25 a.m.YEG - STL

1 stop6h 20mWestJet

Deal found 19/2C$ 744

Wed 14/51:30 p.m.STL - YEG

1 stop9h 22mAir Canada

Mon 19/512:55 a.m.YEG - STL

1 stop10h 41mAir Canada

Deal found 19/2C$ 1,108

Wed 14/58:00 a.m.STL - YEG

2 stops15h 04mUnited Airlines

Tue 20/56:00 a.m.YEG - STL

3 stops13h 36mUnited Airlines

Deal found 19/2C$ 1,469

Last-minute flights from St. Louis to Alberta
Discover last-minute flight deals from St. Louis to Alberta. Data last updated 21 February 2025 and is based on user searches.

Tue 25/26:26 p.m.STL - YYC

1 stop29h 29mMultiple Airlines

Thu 27/27:00 a.m.YYC - STL

2 stops8h 53mMultiple Airlines

Deal found 20/2C$ 607

Tue 25/26:00 a.m.STL - YYC

2 stops14h 05mWestJet

Thu 27/27:00 a.m.YYC - STL

2 stops8h 53mWestJet

Deal found 20/2C$ 808

Tue 25/26:30 a.m.STL - YYC

1 stop6h 09mAir Canada

Wed 26/212:05 a.m.YYC - STL

1 stop14h 01mAir Canada

Deal found 20/2C$ 892

Mon 10/35:37 p.m.STL - YYC

1 stop19h 12mAmerican Airlines

Mon 17/31:22 p.m.YYC - STL

1 stop19h 20mAmerican Airlines

Deal found 20/2C$ 543

Mon 10/31:48 p.m.STL - YYC

2 stops10h 28mDelta

Mon 17/37:40 a.m.YYC - STL

1 stop9h 53mDelta

Deal found 20/2C$ 580

Mon 10/36:30 a.m.STL - YYC

2 stops16h 11mUnited Airlines

Mon 17/37:20 p.m.YYC - STL

2 stops19h 11mUnited Airlines

Deal found 20/2C$ 619

Thu 13/36:00 a.m.STL - YYC

1 stop15h 42mWestJet

Mon 24/312:30 a.m.YYC - STL

1 stop7h 44mWestJet

Deal found 20/2C$ 643

Tue 18/38:20 a.m.STL - YYC

1 stop7h 01mAir Canada

Tue 25/312:50 a.m.YYC - STL

1 stop13h 16mAir Canada

Deal found 20/2C$ 825

One-way flights from St. Louis to Alberta
Search for one-way flight options from St. Louis to Alberta. Find affordable one-way fares based on user searches. Data last updated 21 February 2025.

Mon 4/89:49 p.m.STL - YYC

1 stop15h 03mMultiple Airlines

Deal found 20/2C$ 268

Mon 4/89:49 p.m.STL - YEG

2 stops18h 08mMultiple Airlines

Deal found 20/2C$ 288

Mon 4/86:00 a.m.STL - YEG

1 stop14h 48mWestJet

Deal found 20/2C$ 378

Mon 4/85:27 p.m.STL - YYC

2 stops25h 53mUnited Airlines

Deal found 20/2C$ 386

Mon 4/85:27 p.m.STL - YEG

3 stops27h 43mUnited Airlines

Deal found 20/2C$ 736

Find flights from St. Louis to Alberta within your budget

Fly from

Fly to

Route

Depart

Return

Price

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 10/3

5:37 p.m.-11:49 a.m.

1 stop19h 12m

Calgary

Mon 17/3

1:22 p.m.-9:42 a.m.

1 stop19h 20m

C$ 543

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sun 6/4

6:35 a.m.-10:55 p.m.

2 stops41h 20m

Calgary

Sun 13/4

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

2 stops31h 40m

C$ 548

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 10/3

1:48 p.m.-11:16 p.m.

2 stops10h 28m

Calgary

Mon 17/3

7:40 a.m.-6:33 p.m.

1 stop9h 53m

C$ 580

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 10/3

6:30 a.m.-9:41 p.m.

2 stops16h 11m

Calgary

Mon 17/3

7:20 p.m.-3:31 p.m.

2 stops19h 11m

C$ 619

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sun 6/4

3:30 p.m.-1:08 a.m.

1 stop10h 38m

Calgary

Sat 12/4

12:35 a.m.-2:49 p.m.

1 stop13h 14m

C$ 629

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Thu 13/3

6:00 a.m.-8:42 p.m.

1 stop15h 42m

Calgary

Mon 24/3

12:30 a.m.-9:14 a.m.

1 stop7h 44m

C$ 643

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Wed 14/5

10:10 a.m.-7:48 p.m.

1 stop10h 38m

Edmonton

Tue 20/5

9:25 a.m.-4:45 p.m.

1 stop6h 20m

C$ 744

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sat 16/8

7:30 p.m.-10:37 a.m.

1 stop16h 07m

Calgary

Thu 28/8

7:00 a.m.-6:37 p.m.

1 stop10h 37m

C$ 889

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Wed 14/5

1:30 p.m.-9:52 p.m.

1 stop9h 22m

Edmonton

Mon 19/5

12:55 a.m.-12:36 p.m.

1 stop10h 41m

C$ 1,108

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Wed 14/5

8:00 a.m.-10:04 p.m.

2 stops15h 04m

Edmonton

Tue 20/5

6:00 a.m.-8:36 p.m.

3 stops13h 36m

C$ 1,469

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/2

Showing 1-10 of 15 results

Best time to book a flight from St. Louis to Alberta

Have a flexible travel schedule? Discover the best time to fly to Alberta from St. Louis 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 St. Louis to Alberta

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

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

Currently, January is the cheapest month in which you can book a flight from St. Louis to Alberta (average of C$ 138). Flying from St. Louis to Alberta in July is currently the most expensive (average of C$ 263). 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.

Rainfall in Alberta by month

In terms of precipitation, rainfall in Alberta ranges from 9.0 - 94.0 mm per month. June is typically the wettest month, when rainfall can reach 94.0 mm. January is typically the driest time to visit Alberta when rainfall is around 9.0 mm.

Temperature in Alberta by month

If weather is an important factor for your trip to Alberta, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -7.0 C).

Reviews of airlines servicing Alberta

Read through reviews of airlines operating flights from St. Louis to Alberta, such as Alaska Airlines, Delta and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,697 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines

8.0

Very good

9,697 reviews

Alaska Airlines

8.0

Very good

9,697 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta

8.0

Very good

8,219 reviews

Alaska Airlines

8.0

Very good

9,697 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines

7.4

Good

8,765 reviews

Alaska Airlines

8.0

Very good

9,697 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,697 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

WestJet

7.2

Good

2,801 reviews

Alaska Airlines

8.0

Very good

9,697 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

What airport do you fly from for flights from St. Louis to Alberta?
Located just 20.4 km from the city centre, Lambert-St Louis (STL) is the airport most travellers will use when flying to Alberta from St. Louis.
Can I find deals for flights from St. Louis to Alberta that include hotel bookings?
Yes. In addition to deals on St. Louis to Alberta flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Alberta?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Alberta.
Can I find deals for business class flights from St. Louis to Alberta?
Yes. Cheapflights offers flight deals from St. Louis to Alberta 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 St. Louis to Alberta?
Currently, January is the cheapest month in which you can book a flight from St. Louis to Alberta (average of C$ 138). Flying from St. Louis to Alberta in July is currently the most expensive (average of C$ 263). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for St. Louis to Alberta

Complete your trip

Alberta car rentals

Calgary Airport car rentals

Edmonton Airport car rentals

Fort Mcmurray Airport car rentals

Lethbridge Airport car rentals

Medicine Hat Airport car rentals

Red Deer Airport car rentals

Calgary car rentals

Edmonton car rentals

Banff car rentals

Grande Prairie car rentals

Red Deer car rentals

Direct flights to Canada

Top airline flying from St. Louis to Alberta

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 458	AverageC$ 822	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

Fly with Cheapflights

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

When you search for this flight from St. Louis to Alberta, 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 St. Louis to Alberta?

Millions of users choose and trust Cheapflights to book the best flight deals from St. Louis to Alberta for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes, we can. To see specific flights from St. Louis to Alberta with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes! Start tracking prices for St. Louis to Alberta flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from St. Louis to Alberta from C$ 268

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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from St. Louis to Alberta

Keep the following information in mind while searching for St. Louis to Alberta flight deals. Data was last updated 21 February 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from St. Louis to Alberta

Cheapest flights from St. Louis to AlbertaExplore the most affordable flight options available from St. Louis to Alberta. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Explore the most affordable flight options available from St. Louis to Alberta. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Find flights from St. Louis to Alberta within your budget

Best time to book a flight from St. Louis to Alberta

Have a flexible travel schedule? Discover the best time to fly to Alberta from St. Louis with our price prediction graph.

Travel insights for flights from St. Louis to Alberta

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

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

Rainfall in Alberta by month

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

Temperature in Alberta by month

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

Reviews of airlines servicing Alberta

Read through reviews of airlines operating flights from St. Louis to Alberta, such as Alaska Airlines, Delta and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Alberta. 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 from for flights from St. Louis to Alberta?

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

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

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

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

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 St. Louis to Alberta

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from St. Louis to Alberta

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 St. Louis to Alberta?

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

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

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

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Cheapest flights from St. Louis to Alberta
Explore the most affordable flight options available from St. Louis to Alberta. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.