How long is the flight from St. Louis to Alberta?

A quick flight from St. Louis to Alberta can take about 16h 23m. American Airlines provides one of the quickest options available for as low as $431. The distance between St. Louis and Alberta is about 1427 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Alberta ranges from 0.4 - 3.7 inches per month. June is typically the wettest month, when rainfall can reach 3.7 in. January is typically the driest time to visit Alberta when rainfall is around 0.4 in.

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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 19.4 F).

What are the most popular routes from St. Louis to Alberta?

The most popular route from St. Louis to Alberta is Lambert-St Louis - Calgary. You may also consider Lambert-St Louis - Edmonton or Lambert-St Louis - Grande Prairie.

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?

Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to Alberta. It is only a 12.7 mi journey to Lambert-St Louis (STL) from St. Louis’s city center.

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.

$134+ Flights from St. Louis to Alberta

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Cheap 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 December 12, 2025.

Sat 12/135:34 pmSTL - YYC

1 stop28h 23mWestJet

Sun 12/1412:15 amYYC - STL

2 stops16h 41mWestJet

Deal found 12/9

$707

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 December 12, 2025.

Sun 1/259:27 pmSTL - YYC

1 stop26h 38mMultiple Airlines

Sat 1/3112:30 amYYC - STL

1 stop29h 21mMultiple Airlines

Deal found 12/11

$295

Thu 1/226:44 pmSTL - YYC

1 stop19h 04mAmerican Airlines

Sun 1/251:40 pmYYC - STL

1 stop19h 40mAmerican Airlines

Deal found 12/11

$347

Tue 1/276:30 amSTL - YYC

2 stops16h 23mUnited Airlines

Wed 1/2812:37 pmYYC - STL

1 stop9h 21mUnited Airlines

Deal found 12/9

$431

Mon 3/97:00 amSTL - YEG

1 stop28h 47mAlaska Airlines

Mon 3/1611:37 amYEG - STL

1 stop11h 22mAlaska Airlines

Deal found 12/9

$480

Mon 3/93:25 pmSTL - YEG

2 stops10h 14mWestJet

Mon 3/166:30 amYEG - STL

2 stops13h 11mWestJet

Deal found 12/11

$583

Mon 1/126:44 pmSTL - YYC

1 stop19h 04mAmerican Airlines

Fri 1/161:40 pmYYC - STL

1 stop22h 29mAmerican Airlines

Deal found 12/11

$347

Thu 1/225:42 pmSTL - YYC

2 stops19h 02mMultiple Airlines

Sun 1/257:35 pmYYC - STL

1 stop24h 15mMultiple Airlines

Deal found 12/11

$400

Mon 1/268:45 amSTL - YQU

2 stops10h 05mAir Canada

Thu 1/296:10 amYQU - STL

2 stops13h 48mAir Canada

Deal found 12/9

$870

Mon 3/92:47 pmSTL - YEG

1 stop21h 00mMultiple Airlines

Mon 3/169:15 amYEG - STL

1 stop13h 00mMultiple Airlines

Deal found 12/11

$485

Sat 4/1111:57 amSTL - YYC

2 stops21h 07mMultiple Airlines

Fri 4/171:25 pmYYC - STL

1 stop23h 46mMultiple Airlines

Deal found 12/11

$512

Mon 1/262:50 pmSTL - YEG

1 stop21h 33mAlaska Airlines

Thu 1/2912:13 pmYEG - STL

1 stop24h 41mAlaska Airlines

Deal found 12/9

$654

Mon 1/266:10 amSTL - YEG

2 stops9h 59mWestJet

Wed 1/2812:45 amYEG - STL

1 stop16h 05mWestJet

Deal found 12/8

$684

Last-minute flights from St. Louis to Alberta
Discover last-minute flight deals from St. Louis to Alberta. Data last updated December 12, 2025 and is based on user searches.

Thu 1/82:45 pmSTL - YEG

1 stop8h 34mUnited Airlines

Wed 1/146:00 amYEG - STL

1 stop9h 55mUnited Airlines

Deal found 12/10

$1,184

Mon 1/121:07 pmSTL - YYC

1 stop23h 54mMultiple Airlines

Fri 1/167:30 amYYC - STL

2 stops22h 21mMultiple Airlines

Deal found 12/11

$322

Mon 1/126:44 pmSTL - YYC

1 stop19h 04mAmerican Airlines

Fri 1/161:40 pmYYC - STL

1 stop22h 29mAmerican Airlines

Deal found 12/11

$347

Mon 1/126:35 amSTL - YYC

2 stops12h 15mDelta

Fri 1/168:15 pmYYC - STL

2 stops11h 38mDelta

Deal found 12/11

$579

Wed 1/141:15 pmSTL - YYC

2 stops24h 53mUnited Airlines

Sat 1/242:13 pmYYC - STL

1 stop5h 45mUnited Airlines

Deal found 12/11

$554

Wed 1/146:00 amSTL - YYC

2 stops16h 58mAmerican Airlines

Sat 1/241:40 pmYYC - STL

1 stop19h 40mAmerican Airlines

Deal found 12/11

$572

Thu 1/225:42 pmSTL - YYC

2 stops19h 02mMultiple Airlines

Sun 1/257:35 pmYYC - STL

1 stop24h 15mMultiple Airlines

Deal found 12/11

$400

Sun 1/259:27 pmSTL - YYC

1 stop26h 38mMultiple Airlines

Sat 1/3112:30 amYYC - STL

1 stop29h 21mMultiple Airlines

Deal found 12/11

$295

Mon 1/262:50 pmSTL - YEG

1 stop21h 33mAlaska Airlines

Thu 1/2912:13 pmYEG - STL

1 stop24h 41mAlaska Airlines

Deal found 12/8

$654

Mon 1/266:10 amSTL - YEG

2 stops9h 59mWestJet

Wed 1/2812:45 amYEG - STL

1 stop16h 05mWestJet

Deal found 12/10

$684

Mon 1/268:45 amSTL - YQU

2 stops10h 05mAir Canada

Thu 1/296:10 amYQU - STL

2 stops13h 48mAir Canada

Deal found 12/10

$870

Tue 1/276:30 amSTL - YYC

2 stops16h 23mUnited Airlines

Wed 1/2812:37 pmYYC - STL

1 stop9h 21mUnited Airlines

Deal found 12/9

$431

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 December 12, 2025.

Sat 1/248:22 pmSTL - YYC

2 stops24h 00mMultiple Airlines

Deal found 12/10

$134

Thu 1/151:35 pmSTL - YYC

3 stops22h 30mMultiple Airlines

Deal found 12/11

$221

Thu 1/153:37 pmSTL - YYC

1 stop7h 21mAmerican Airlines

Deal found 12/11

$249

Fri 12/266:35 pmSTL - YYC

2 stops15h 08mAir Canada

Deal found 12/11

$383

Fri 12/265:59 pmSTL - YYC

2 stops16h 06mWestJet

Deal found 12/10

$403

Sat 12/2710:04 amSTL - YYC

2 stops33h 28mWestJet

Deal found 12/11

$432

Sat 12/274:27 pmSTL - YYC

1 stop19h 52mMultiple Airlines

Deal found 12/11

$477

Fri 12/267:00 amSTL - YYC

1 stop15h 46mAmerican Airlines

Deal found 12/11

$590

Find flight deals from St. Louis to Alberta

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$295 (Kiwi.com)
One-way from	$134 (Kiwi.com)
Popular in	December
Cheapest in	November
Average price	$765

Provider with most accurate pricing for Lambert-St Louis-Calgary flight deals.

Search Deals

Provider most trusted by Cheapflights users for Lambert-St Louis-Calgary flights.

Search Deals

From Lambert-St Louis to Alberta

Search Deals

One-way flight from Lambert-St Louis to Alberta

Search Deals

High demand for flights, 10% potential price rise

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sun 1/25

9:27 pm-11:05 pm

1 stop26h 38m

Calgary

Sat 1/31

12:30 am-6:51 am

1 stop29h 21m

$295

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Thu 1/22

6:44 pm-12:48 pm

1 stop19h 04m

Calgary

Sun 1/25

1:40 pm-10:20 am

1 stop19h 40m

$347

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 1/12

6:44 pm-12:48 pm

1 stop19h 04m

Calgary

Fri 1/16

1:40 pm-1:09 pm

1 stop22h 29m

$347

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Thu 1/22

5:42 pm-11:44 am

2 stops19h 02m

Calgary

Sun 1/25

7:35 pm-8:50 pm

1 stop24h 15m

$400

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 1/27

6:30 am-9:53 pm

2 stops16h 23m

Calgary

Wed 1/28

12:37 pm-10:58 pm

1 stop9h 21m

$431

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Mon 3/9

7:00 am-10:47 am

1 stop28h 47m

Edmonton

Mon 3/16

11:37 am-11:59 pm

1 stop11h 22m

$480

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Mon 3/9

2:47 pm-10:47 am

1 stop21h 00m

Edmonton

Mon 3/16

9:15 am-11:15 pm

1 stop13h 00m

$485

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sat 4/11

11:57 am-8:04 am

2 stops21h 07m

Calgary

Fri 4/17

1:25 pm-2:11 pm

1 stop23h 46m

$512

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Mon 3/9

3:25 pm-12:39 am

2 stops10h 14m

Edmonton

Mon 3/16

6:30 am-8:41 pm

2 stops13h 11m

$583

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Mon 1/26

2:50 pm-11:23 am

1 stop21h 33m

Edmonton

Thu 1/29

12:13 pm-1:54 pm

1 stop24h 41m

$654

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 20 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.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Alberta

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 $158). Flying from St. Louis to Alberta in August is currently the most expensive (average of $457). 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.

Reviews of airlines servicing Alberta

See what other customers who have flown with Delta, United Airlines, and American Airlines from St. Louis to Alberta have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

8,007 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Delta

7.9

Good

8,007 reviews

Delta

7.9

Good

8,007 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

United Airlines

7.4

Good

9,095 reviews

Delta

7.9

Good

8,007 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

American Airlines

7.2

Good

11,050 reviews

Delta

7.9

Good

8,007 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

WestJet

7.2

Good

3,195 reviews

Delta

7.9

Good

8,007 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Air Canada

7.1

Good

10,516 reviews

Delta

7.9

Good

8,007 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

What airport do you fly from for flights from St. Louis to Alberta?
Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to Alberta. It is only a 12.7 mi journey to Lambert-St Louis (STL) from St. Louis’s city center.
How long is the flight from St. Louis to Alberta?
A quick flight from St. Louis to Alberta can take about 16h 23m. American Airlines provides one of the quickest options available for as low as $431. The distance between St. Louis and Alberta is about 1427 mi. This flight may include one or multiple stops.
What are the most popular routes from St. Louis to Alberta?
The most popular route from St. Louis to Alberta is Lambert-St Louis - Calgary. You may also consider Lambert-St Louis - Edmonton or Lambert-St Louis - Grande Prairie.
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 $158). Flying from St. Louis to Alberta in August is currently the most expensive (average of $457). 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

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Complete your trip

Alberta car rentals

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Top 5 airlines flying from St. Louis to Alberta

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$158	Average$548	FlexibilityNo cancel fee	On-time67%
Delta	Cheapest$190	Average$478	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$331	Average$694	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$383	Average$551	FlexibilityNo cancel fee	On-time71%
WestJet	Cheapest$490	Average$610	FlexibilityNo cancel fee	On-time60%

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$134+ Cheap flights from St. Louis (STL) to Alberta

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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Alberta with Cheapflights

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Cheap 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 December 12, 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 December 12, 2025.

Find 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 December 12, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Alberta that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Alberta

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

Reviews of airlines servicing Alberta

See what other customers who have flown with Delta, United Airlines, and American Airlines from St. Louis to Alberta have to say. Users can see the overall rating for each airline as well as how each is rated 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?

How long is the flight from St. Louis to Alberta?

What are the most popular routes 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 5 airlines flying from St. Louis to Alberta

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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 December 12, 2025.