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

C$ 302 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Air Canada and Delta, with prices starting from C$ 304 and C$ 347, 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 35 days in advance to save up to 233% 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 35 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$ 652, or C$ 1,003 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$ 815 for the month, but tickets can be as low as C$ 226. 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$ 184+ Flights from St. Louis to Alberta

Cheap flight deals from St. Louis to Alberta

Round-trip from	C$ 515
One-way from	C$ 184
Popular in	July
Cheapest in	January
Average price	C$ 883

11/5-18/5
3 total stops
22h 05m total
St. Louis to Alberta

Search Deals

9/7
1 total stop
20h 21m total
St. Louis to Alberta

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (C$ 116 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 17 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 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 28 March 2025.

Sun 11/512:15 p.m.STL - YYC

2 stops9h 04mMultiple Airlines

Sun 18/510:05 a.m.YYC - STL

1 stop13h 01mMultiple Airlines

Deal found 27/3C$ 515

Wed 14/55:19 a.m.STL - YYC

1 stop7h 31mAmerican Airlines

Mon 19/51:18 p.m.YYC - STL

1 stop19h 31mAmerican Airlines

Deal found 27/3C$ 522

Fri 18/44:45 p.m.STL - YYC

1 stop6h 03mAir Canada

Fri 25/46:15 a.m.YYC - STL

1 stop7h 34mAir Canada

Deal found 28/3C$ 563

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

2 stops16h 18mUnited Airlines

Mon 19/51:30 p.m.YYC - STL

2 stops24h 17mUnited Airlines

Deal found 27/3C$ 615

Fri 23/52:29 p.m.STL - YYC

1 stop9h 32mDelta

Mon 2/66:30 a.m.YYC - STL

1 stop9h 30mDelta

Deal found 27/3C$ 616

Sat 14/63:43 p.m.STL - YYC

1 stop7h 32mWestJet

Tue 17/612:30 a.m.YYC - STL

1 stop8h 09mWestJet

Deal found 27/3C$ 629

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 27/3C$ 637

Sun 11/510:10 a.m.STL - YEG

3 stops29h 47mMultiple Airlines

Sun 18/57:00 a.m.YEG - STL

3 stops34h 41mMultiple Airlines

Deal found 27/3C$ 639

Thu 23/107:00 a.m.STL - YYC

1 stop28h 37mAlaska Airlines

Mon 27/106:55 p.m.YYC - STL

1 stop28h 01mAlaska Airlines

Deal found 27/3C$ 695

Thu 14/87:32 p.m.STL - YEG

1 stop16h 09mAlaska Airlines

Tue 19/811:31 a.m.YEG - STL

1 stop11h 28mAlaska Airlines

Deal found 26/3C$ 719

Sun 11/56:00 a.m.STL - YEG

1 stop14h 48mWestJet

Sun 18/58:45 p.m.YEG - STL

2 stops18h 50mWestJet

Deal found 26/3C$ 740

Thu 1/51:30 p.m.STL - YEG

1 stop9h 22mAir Canada

Sun 29/61:05 a.m.YEG - STL

2 stops10h 22mAir Canada

Deal found 26/3C$ 823

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 28 March 2025.

Sun 11/512:15 p.m.STL - YYC

2 stops9h 04mMultiple Airlines

Sun 18/510:05 a.m.YYC - STL

1 stop13h 01mMultiple Airlines

Deal found 27/3C$ 515

Wed 14/55:19 a.m.STL - YYC

1 stop7h 31mAmerican Airlines

Mon 19/51:18 p.m.YYC - STL

1 stop19h 31mAmerican Airlines

Deal found 27/3C$ 522

Fri 18/44:45 p.m.STL - YYC

1 stop6h 03mAir Canada

Fri 25/46:15 a.m.YYC - STL

1 stop7h 34mAir Canada

Deal found 28/3C$ 563

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

2 stops16h 18mUnited Airlines

Mon 19/51:30 p.m.YYC - STL

2 stops24h 17mUnited Airlines

Deal found 27/3C$ 615

Fri 23/52:29 p.m.STL - YYC

1 stop9h 32mDelta

Mon 2/66:30 a.m.YYC - STL

1 stop9h 30mDelta

Deal found 27/3C$ 616

Sat 14/63:43 p.m.STL - YYC

1 stop7h 32mWestJet

Tue 17/612:30 a.m.YYC - STL

1 stop8h 09mWestJet

Deal found 27/3C$ 629

Thu 14/87:32 p.m.STL - YEG

1 stop16h 09mAlaska Airlines

Tue 19/811:31 a.m.YEG - STL

1 stop11h 28mAlaska Airlines

Deal found 26/3C$ 719

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 27/3C$ 637

Sun 11/510:10 a.m.STL - YEG

3 stops29h 47mMultiple Airlines

Sun 18/57:00 a.m.YEG - STL

3 stops34h 41mMultiple Airlines

Deal found 27/3C$ 639

Mon 1/97:36 p.m.STL - YYC

1 stop29h 16mAlaska Airlines

Sun 7/97:33 p.m.YYC - STL

1 stop27h 26mAlaska Airlines

Deal found 27/3C$ 739

Sun 11/56:00 a.m.STL - YEG

1 stop14h 48mWestJet

Sun 18/58:45 p.m.YEG - STL

2 stops18h 50mWestJet

Deal found 26/3C$ 740

Thu 1/51:30 p.m.STL - YEG

1 stop9h 22mAir Canada

Mon 30/66:00 a.m.YEG - STL

1 stop5h 46mAir Canada

Deal found 26/3C$ 823

Last-minute flights from St. Louis to Alberta
Discover last-minute flight deals from St. Louis to Alberta. Data last updated 28 March 2025 and is based on user searches.

Wed 9/48:48 a.m.STL - YEG

1 stop6h 20mUnited Airlines

Thu 10/46:00 a.m.YEG - STL

1 stop5h 47mUnited Airlines

Deal found 28/3C$ 1,486

Fri 18/44:45 p.m.STL - YYC

1 stop6h 03mAir Canada

Fri 25/46:15 a.m.YYC - STL

1 stop7h 34mAir Canada

Deal found 28/3C$ 563

Sat 26/46:58 p.m.STL - YYC

1 stop20h 47mMultiple Airlines

Sat 3/512:05 p.m.YYC - STL

1 stop10h 54mMultiple Airlines

Deal found 27/3C$ 572

Sat 26/410:32 a.m.STL - YYC

1 stop25h 47mWestJet

Fri 2/512:30 a.m.YYC - STL

1 stop8h 17mWestJet

Deal found 27/3C$ 746

Sat 26/411:23 a.m.STL - YYC

2 stops12h 42mDelta

Fri 2/512:30 a.m.YYC - STL

1 stop10h 11mDelta

Deal found 27/3C$ 786

Sun 27/46:30 a.m.STL - YEG

1 stop29h 24mAlaska Airlines

Sat 3/511:44 a.m.YEG - STL

1 stop11h 15mAlaska Airlines

Deal found 26/3C$ 822

Sun 27/49:55 p.m.STL - YEG

1 stop17h 12mMultiple Airlines

Sat 3/58:00 a.m.YEG - STL

2 stops14h 59mMultiple Airlines

Deal found 26/3C$ 836

Sun 27/46:00 a.m.STL - YEG

2 stops14h 24mWestJet

Sat 3/56:30 p.m.YEG - STL

2 stops14h 18mWestJet

Deal found 26/3C$ 846

Sun 27/43:30 p.m.STL - YEG

1 stop17h 54mAir Canada

Fri 2/512:55 a.m.YEG - STL

1 stop10h 41mAir Canada

Deal found 26/3C$ 998

Sun 27/411:15 a.m.STL - YEG

1 stop5h 43mDelta

Fri 2/512:05 a.m.YEG - STL

2 stops14h 01mDelta

Deal found 26/3C$ 1,276

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 28 March 2025.

Wed 9/77:24 p.m.STL - YYC

1 stop20h 21mMultiple Airlines

Deal found 27/3C$ 184

Wed 9/71:42 p.m.STL - YYC

1 stop5h 39mUnited Airlines

Deal found 28/3C$ 302

Tue 1/79:15 a.m.STL - YYC

2 stops10h 11mAir Canada

Deal found 28/3C$ 304

Wed 9/72:15 p.m.STL - YYC

2 stops9h 00mDelta

Deal found 28/3C$ 347

Sun 13/73:40 p.m.STL - YYC

2 stops20h 40mWestJet

Deal found 27/3C$ 419

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

Sun 11/5

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

2 stops9h 04m

Calgary

Sun 18/5

10:05 a.m.-12:06 a.m.

1 stop13h 01m

C$ 515

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Wed 14/5

5:19 a.m.-11:50 a.m.

1 stop7h 31m

Calgary

Mon 19/5

1:18 p.m.-9:49 a.m.

1 stop19h 31m

C$ 522

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Fri 18/4

4:45 p.m.-9:48 p.m.

1 stop6h 03m

Calgary

Fri 25/4

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

1 stop7h 34m

C$ 563

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Wed 14/5

6:30 a.m.-9:48 p.m.

2 stops16h 18m

Calgary

Mon 19/5

1:30 p.m.-2:47 p.m.

2 stops24h 17m

C$ 615

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Fri 23/5

2:29 p.m.-11:01 p.m.

1 stop9h 32m

Calgary

Mon 2/6

6:30 a.m.-5:00 p.m.

1 stop9h 30m

C$ 616

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sat 14/6

3:43 p.m.-10:15 p.m.

1 stop7h 32m

Calgary

Tue 17/6

12:30 a.m.-9:39 a.m.

1 stop8h 09m

C$ 629

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$ 637

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Sun 11/5

10:10 a.m.-2:57 p.m.

3 stops29h 47m

Edmonton

Sun 18/5

7:00 a.m.-6:41 p.m.

3 stops34h 41m

C$ 639

St. LouisEdmonton

STL - YEG

STLYEG

Lambert-St Louis

Thu 14/8

7:32 p.m.-10:41 a.m.

1 stop16h 09m

Edmonton

Tue 19/8

11:31 a.m.-11:59 p.m.

1 stop11h 28m

C$ 719

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 1/9

7:36 p.m.-11:52 p.m.

1 stop29h 16m

Calgary

Sun 7/9

7:33 p.m.-11:59 p.m.

1 stop27h 26m

C$ 739

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/3

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$ 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

9,798 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

9,798 reviews

Alaska Airlines

8.0

Very good

9,798 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

7,897 reviews

Alaska Airlines

8.0

Very good

9,798 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

8,603 reviews

Alaska Airlines

8.0

Very good

9,798 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

9,798 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

2,785 reviews

Alaska Airlines

8.0

Very good

9,798 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.
What are the cheapest airlines to fly from St. Louis to Alberta one-way?
C$ 302 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Air Canada and Delta, with prices starting from C$ 304 and C$ 347, 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$ 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

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$ 184

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 28 March 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 28 March 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 28 March 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 28 March 2025.