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

C$ 202 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Air Canada and Delta, with prices starting from C$ 215 and C$ 229, respectively.

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

Travellers have found it’s best to book a flight 27 days in advance to save up to 282% 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 27 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$ 632, or C$ 973 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$ 792 for the month, but tickets can be as low as C$ 219. Due to multiple factors, prepare for potentially higher prices in June.

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$ 202+ Flights from St. Louis to Alberta

Cheap flight deals from St. Louis to Alberta

Round-trip from	C$ 456
One-way from	C$ 202
Popular in	June
Cheapest in	January
Average price	C$ 718

13/5-20/5
3 total stops
21h 43m total
St. Louis to Alberta

Search Deals

American Airlines
9/7
1 total stop
18h 29m total
St. Louis to Alberta

Search Deals

Highest demand for flights based on searches. 8% potential increase in price (C$ 101 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 16 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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 17 April 2025.

Tue 13/512:15 p.m.STL - YYC

2 stops9h 04mMultiple Airlines

Tue 20/510:05 a.m.YYC - STL

1 stop12h 39mMultiple Airlines

Deal found 16/4C$ 456

Mon 9/67:20 a.m.STL - YYC

1 stop17h 09mAmerican Airlines

Thu 12/66:29 a.m.YYC - STL

1 stop13h 01mAmerican Airlines

Deal found 17/4C$ 462

Tue 13/56:00 a.m.STL - YYC

1 stop7h 53mUnited Airlines

Tue 20/51:30 p.m.YYC - STL

1 stop6h 31mUnited Airlines

Deal found 16/4C$ 509

Thu 13/114:15 p.m.STL - YYC

1 stop8h 08mAir Canada

Sun 16/117:00 a.m.YYC - STL

1 stop7h 26mAir Canada

Deal found 17/4C$ 513

Wed 3/912:10 p.m.STL - YYC

2 stops11h 53mDelta

Wed 10/92:00 p.m.YYC - STL

1 stop9h 37mDelta

Deal found 17/4C$ 528

Sun 15/66:00 a.m.STL - YYC

1 stop15h 05mWestJet

Thu 19/612:30 a.m.YYC - STL

1 stop14h 48mWestJet

Deal found 17/4C$ 593

Wed 14/56:30 a.m.STL - YEG

2 stops16h 34mUnited Airlines

Tue 20/53:17 p.m.YEG - STL

2 stops20h 02mUnited Airlines

Deal found 17/4C$ 609

Thu 15/510:10 a.m.STL - YEG

3 stops34h 14mMultiple Airlines

Thu 22/59:25 a.m.YEG - STL

1 stop25h 00mMultiple Airlines

Deal found 17/4C$ 643

Wed 14/51:09 p.m.STL - YEG

1 stop7h 39mWestJet

Tue 20/59:35 a.m.YEG - STL

1 stop10h 04mWestJet

Deal found 17/4C$ 688

Sat 19/75:15 a.m.STL - YEG

1 stop9h 53mAir Canada

Sat 26/78:05 a.m.YEG - STL

1 stop6h 42mAir Canada

Deal found 17/4C$ 758

Thu 1/56:30 a.m.STL - YEG

1 stop29h 24mAlaska Airlines

Mon 30/66:10 p.m.YEG - STL

2 stops21h 29mAlaska Airlines

Deal found 17/4C$ 912

Thu 1/510:30 a.m.STL - YEG

2 stops11h 42mDelta

Mon 30/67:30 a.m.YEG - STL

2 stops14h 57mDelta

Deal found 16/4C$ 991

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 17 April 2025.

Tue 13/512:15 p.m.STL - YYC

2 stops9h 04mMultiple Airlines

Tue 20/510:05 a.m.YYC - STL

1 stop12h 39mMultiple Airlines

Deal found 16/4C$ 456

Mon 9/67:20 a.m.STL - YYC

1 stop17h 09mAmerican Airlines

Thu 12/66:29 a.m.YYC - STL

1 stop13h 01mAmerican Airlines

Deal found 17/4C$ 462

Tue 13/56:00 a.m.STL - YYC

1 stop7h 53mUnited Airlines

Tue 20/51:30 p.m.YYC - STL

1 stop6h 31mUnited Airlines

Deal found 16/4C$ 509

Wed 3/912:10 p.m.STL - YYC

2 stops11h 53mDelta

Wed 10/92:00 p.m.YYC - STL

1 stop9h 37mDelta

Deal found 17/4C$ 528

Fri 6/61:30 p.m.STL - YYC

1 stop10h 36mAir Canada

Sat 7/612:25 a.m.YYC - STL

1 stop11h 11mAir Canada

Deal found 17/4C$ 537

Sun 15/66:00 a.m.STL - YYC

1 stop15h 05mWestJet

Thu 19/612:30 a.m.YYC - STL

1 stop14h 48mWestJet

Deal found 17/4C$ 593

Thu 1/56:30 a.m.STL - YEG

1 stop29h 24mAlaska Airlines

Mon 30/66:10 p.m.YEG - STL

2 stops21h 29mAlaska Airlines

Deal found 17/4C$ 912

Wed 14/56:30 a.m.STL - YEG

2 stops16h 34mUnited Airlines

Tue 20/53:17 p.m.YEG - STL

2 stops20h 02mUnited Airlines

Deal found 17/4C$ 609

Thu 15/510:10 a.m.STL - YEG

3 stops34h 14mMultiple Airlines

Thu 22/59:25 a.m.YEG - STL

1 stop25h 00mMultiple Airlines

Deal found 17/4C$ 643

Wed 14/51:09 p.m.STL - YEG

1 stop7h 39mWestJet

Tue 20/59:35 a.m.YEG - STL

1 stop10h 04mWestJet

Deal found 17/4C$ 688

Sat 19/75:15 a.m.STL - YEG

1 stop9h 53mAir Canada

Sat 26/78:05 a.m.YEG - STL

1 stop6h 42mAir Canada

Deal found 17/4C$ 758

Thu 1/510:30 a.m.STL - YEG

2 stops11h 42mDelta

Mon 30/67:30 a.m.YEG - STL

2 stops14h 57mDelta

Deal found 16/4C$ 991

Last-minute flights from St. Louis to Alberta
Discover last-minute flight deals from St. Louis to Alberta. Data last updated 17 April 2025 and is based on user searches.

Tue 29/411:15 a.m.STL - YYC

2 stops8h 46mWestJet

Thu 1/512:30 a.m.YYC - STL

1 stop8h 06mWestJet

Deal found 17/4C$ 656

Thu 1/56:30 a.m.STL - YEG

1 stop29h 24mAlaska Airlines

Mon 30/66:10 p.m.YEG - STL

2 stops21h 29mAlaska Airlines

Deal found 17/4C$ 912

Thu 1/510:30 a.m.STL - YEG

2 stops11h 42mDelta

Mon 30/67:30 a.m.YEG - STL

2 stops14h 57mDelta

Deal found 16/4C$ 991

Mon 12/57:19 p.m.STL - YYC

1 stop17h 31mAmerican Airlines

Thu 15/51:18 p.m.YYC - STL

1 stop9h 33mAmerican Airlines

Deal found 17/4C$ 488

Tue 13/512:15 p.m.STL - YYC

2 stops9h 04mMultiple Airlines

Tue 20/510:05 a.m.YYC - STL

1 stop12h 39mMultiple Airlines

Deal found 16/4C$ 456

Tue 13/56:00 a.m.STL - YYC

1 stop7h 53mUnited Airlines

Tue 20/51:30 p.m.YYC - STL

1 stop6h 31mUnited Airlines

Deal found 16/4C$ 509

Tue 13/510:45 a.m.STL - YYC

2 stops13h 16mDelta

Tue 20/57:40 a.m.YYC - STL

1 stop9h 44mDelta

Deal found 16/4C$ 548

Tue 13/51:30 p.m.STL - YYC

1 stop10h 36mAir Canada

Mon 19/512:25 a.m.YYC - STL

1 stop11h 11mAir Canada

Deal found 16/4C$ 556

Wed 14/56:30 a.m.STL - YEG

2 stops16h 34mUnited Airlines

Tue 20/53:17 p.m.YEG - STL

2 stops20h 02mUnited Airlines

Deal found 17/4C$ 609

Wed 14/51:09 p.m.STL - YEG

1 stop7h 39mWestJet

Tue 20/59:35 a.m.YEG - STL

1 stop10h 04mWestJet

Deal found 17/4C$ 688

Wed 14/51:41 p.m.STL - YEG

1 stop9h 23mAir Canada

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

1 stop10h 41mAir Canada

Deal found 17/4C$ 817

Thu 15/510:10 a.m.STL - YEG

3 stops34h 14mMultiple Airlines

Thu 22/59:25 a.m.YEG - STL

1 stop25h 00mMultiple Airlines

Deal found 17/4C$ 643

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 17 April 2025.

Wed 9/76:00 a.m.STL - YYC

1 stop18h 29mAmerican Airlines

Deal found 17/4C$ 202

Sat 6/91:30 p.m.STL - YYC

1 stop10h 36mAir Canada

Deal found 17/4C$ 215

Sat 6/910:50 a.m.STL - YYC

2 stops13h 13mDelta

Deal found 17/4C$ 229

Sun 15/66:00 a.m.STL - YYC

1 stop15h 05mWestJet

Deal found 17/4C$ 290

Sun 15/61:00 p.m.STL - YYC

2 stops32h 19mMultiple Airlines

Deal found 17/4C$ 295

Sun 15/65:55 p.m.STL - YYC

2 stops28h 53mUnited Airlines

Deal found 17/4C$ 610

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 13/5

12:15 p.m.-8:19 p.m.

2 stops9h 04m

Calgary

Tue 20/5

10:05 a.m.-11:44 p.m.

1 stop12h 39m

C$ 456

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 9/6

7:20 a.m.-11:29 p.m.

1 stop17h 09m

Calgary

Thu 12/6

6:29 a.m.-8:30 p.m.

1 stop13h 01m

C$ 462

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 13/5

6:00 a.m.-12:53 p.m.

1 stop7h 53m

Calgary

Tue 20/5

1:30 p.m.-9:01 p.m.

1 stop6h 31m

C$ 509

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Wed 3/9

12:10 p.m.-11:03 p.m.

2 stops11h 53m

Calgary

Wed 10/9

2:00 p.m.-12:37 a.m.

1 stop9h 37m

C$ 528

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Fri 6/6

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

1 stop10h 36m

Calgary

Sat 7/6

12:25 a.m.-12:36 p.m.

1 stop11h 11m

C$ 537

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sun 15/6

6:00 a.m.-8:05 p.m.

1 stop15h 05m

Calgary

Thu 19/6

12:30 a.m.-4:18 p.m.

1 stop14h 48m

C$ 593

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Wed 14/5

6:30 a.m.-10:04 p.m.

2 stops16h 34m

Edmonton

Tue 20/5

3:17 p.m.-12:19 p.m.

2 stops20h 02m

C$ 609

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Thu 15/5

10:10 a.m.-7:24 p.m.

3 stops34h 14m

Edmonton

Thu 22/5

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

1 stop25h 00m

C$ 643

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Wed 14/5

1:09 p.m.-7:48 p.m.

1 stop7h 39m

Edmonton

Tue 20/5

9:35 a.m.-8:39 p.m.

1 stop10h 04m

C$ 688

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Sat 19/7

5:15 a.m.-2:08 p.m.

1 stop9h 53m

Edmonton

Sat 26/7

8:05 a.m.-3:47 p.m.

1 stop6h 42m

C$ 758

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/4

Showing 1-10 of 18 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 C$ 139). 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

9,882 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,882 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Delta

8.0

Very good

7,917 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

United Airlines

7.4

Good

8,667 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

WestJet

7.2

Good

2,809 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.
What are the cheapest airlines to fly from St. Louis to Alberta one-way?
C$ 202 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Air Canada and Delta, with prices starting from C$ 215 and C$ 229, respectively.
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$ 139). 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

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.

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.

Cheap flights from St. Louis to Alberta from C$ 202

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 9/7. 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 17 April 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 17 April 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 17 April 2025.

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?

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?

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

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.

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?

100% Free

Book with Flexibility

Travel Smart

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 17 April 2025.