What is the cheapest airline that flies from Lambert-St Louis to Calgary?

American Airlines, United Airlines, and Delta are the most popular carriers operating from Lambert-St Louis to Calgary

When did momondo last update prices for flights from Lambert-St Louis Airport to Calgary Airport?

Prices for flights from Lambert-St Louis Airport to Calgary Airport are updated daily.

How old do you have to be to fly from Lambert-St Louis Airport to Calgary Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Calgary Airport.

What documentation or ID do you need to fly to Calgary Airport?

The necessary travel and health documents for your Calgary Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

C$ 185 Cheap Flights from St. Louis to Calgary in 2025/26

Q: What is the typical price of a round-trip flight between St. Louis and Calgary?

Prices are currently low for flights on this route. Typical prices usually range from C$ 464 to C$ 846. The lowest price recently found on this route was C$ 430.

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Find the cheapest flights from St. Louis to Calgary

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7:43 p.m. - 10:52 p.m.STL-YYC

28h 09m2 stops

7:35 p.m. - 4:49 p.m.YYC-STL

20h 14m1 stop

C$ 430Multiple Airlines

Find Deal

Fri, 23 Jan - Wed, 28 Jan

5:11 p.m. - 11:19 a.m.STL-YYC

19h 08m1 stop

7:55 a.m. - 10:02 a.m.YYC-STL

25h 07m2 stops

C$ 433Multiple Airlines

Find Deal

Fri, 23 Jan - Tue, 27 Jan

5:44 p.m. - 12:01 p.m.STL-YYC

19h 17m1 stop

7:55 a.m. - 10:02 a.m.YYC-STL

25h 07m2 stops

C$ 443Multiple Airlines

Find Deal

Sun, 25 Jan - Thu, 29 Jan

1:40 p.m. - 12:48 p.m.STL-YYC

24h 08m1 stop

1:40 p.m. - 10:21 a.m.YYC-STL

19h 41m1 stop

C$ 535American Airlines

Find Deal

Sat, 24 Jan - Wed, 28 Jan

6:00 a.m. - 9:58 p.m.STL-YYC

16h 58m2 stops

1:40 p.m. - 1:03 p.m.YYC-STL

22h 23m1 stop

C$ 612American Airlines

Find Deal

Wed, 14 Jan - Sat, 24 Jan

6:19 p.m. - 6:10 p.m.STL-YYC

24h 51m1 stop

7:00 p.m. - 1:54 p.m.YYC-STL

17h 54m1 stop

C$ 729Alaska Airlines

Find Deal

Sat, 24 Jan - Thu, 29 Jan

8:05 a.m. - 9:53 p.m.STL-YYC

14h 48m2 stops

2:13 p.m. - 11:02 a.m.YYC-STL

19h 49m2 stops

C$ 760United Airlines

Find Deal

Wed, 14 Jan - Sat, 24 Jan

4:05 p.m. - 12:14 a.m.STL-YYC

9h 09m1 stop

5:35 a.m. - 3:29 p.m.YYC-STL

8h 54m1 stop

C$ 780Air Canada

Find Deal

Mon, 17 Nov - Wed, 19 Nov

7:00 a.m. - 6:17 p.m.STL-YYC

12h 17m1 stop

6:55 p.m. - 11:56 p.m.YYC-STL

28h 01m1 stop

C$ 786Alaska Airlines

Find Deal

Tue, 10 Mar - Wed, 11 Mar

8:05 a.m. - 9:53 p.m.STL-YYC

14h 48m2 stops

6:15 a.m. - 9:13 p.m.YYC-STL

13h 58m2 stops

C$ 810United Airlines

Find Deal

Fri, 23 Jan - Tue, 27 Jan

American Airlines flights from St. Louis to Calgary

Our best American Airlines deals on St. Louis to Calgary flight tickets

American Airlines

24 Jan

STL1:40 p.m.Lambert-St Louis

24h 08m

1 stop

YYC12:48 p.m.Calgary

28 Jan

YYC1:40 p.m.Calgary

19h 41m

1 stop

STL10:21 a.m.Lambert-St Louis

C$ 535

Find similar

American Airlines

14 Jan

STL6:00 a.m.Lambert-St Louis

16h 58m

2 stops

YYC9:58 p.m.Calgary

24 Jan

YYC1:40 p.m.Calgary

22h 23m

1 stop

STL1:03 p.m.Lambert-St Louis

C$ 612

Find similar

American Airlines

14 Jan

STL6:00 a.m.Lambert-St Louis

7h 48m

1 stop

YYC12:48 p.m.Calgary

24 Jan

YYC1:40 p.m.Calgary

27h 34m

1 stop

STL6:14 p.m.Lambert-St Louis

C$ 664

Find similar

Alaska Airlines flights from St. Louis to Calgary

Our best Alaska Airlines deals on St. Louis to Calgary flight tickets

Alaska Airlines

24 Jan

STL6:19 p.m.Lambert-St Louis

24h 51m

1 stop

YYC6:10 p.m.Calgary

29 Jan

YYC7:00 p.m.Calgary

17h 54m

1 stop

STL1:54 p.m.Lambert-St Louis

C$ 729

Find similar

Alaska Airlines

10 Mar

STL7:00 a.m.Lambert-St Louis

12h 17m

1 stop

YYC6:17 p.m.Calgary

11 Mar

YYC6:55 p.m.Calgary

28h 01m

1 stop

STL11:56 p.m.Lambert-St Louis

C$ 786

Find similar

Alaska Airlines

14 Nov

STL2:29 p.m.Lambert-St Louis

28h 41m

2 stops

YYC6:10 p.m.Calgary

17 Nov

YYC7:00 p.m.Calgary

14h 39m

2 stops

STL10:39 a.m.Lambert-St Louis

C$ 1,068

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Fri 23/1

7:43 p.m.-10:52 p.m.

2 stops28h 09m

Calgary

Wed 28/1

7:35 p.m.-4:49 p.m.

1 stop20h 14m

C$ 430

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Fri 23/1

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

1 stop19h 08m

Calgary

Tue 27/1

7:55 a.m.-10:02 a.m.

2 stops25h 07m

C$ 433

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sun 25/1

5:44 p.m.-12:01 p.m.

1 stop19h 17m

Calgary

Thu 29/1

7:55 a.m.-10:02 a.m.

2 stops25h 07m

C$ 443

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sat 24/1

1:40 p.m.-12:48 p.m.

1 stop24h 08m

Calgary

Wed 28/1

1:40 p.m.-10:21 a.m.

1 stop19h 41m

C$ 535

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Wed 14/1

6:00 a.m.-9:58 p.m.

2 stops16h 58m

Calgary

Sat 24/1

1:40 p.m.-1:03 p.m.

1 stop22h 23m

C$ 612

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sat 24/1

6:19 p.m.-6:10 p.m.

1 stop24h 51m

Calgary

Thu 29/1

7:00 p.m.-1:54 p.m.

1 stop17h 54m

C$ 729

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Wed 14/1

8:05 a.m.-9:53 p.m.

2 stops14h 48m

Calgary

Sat 24/1

2:13 p.m.-11:02 a.m.

2 stops19h 49m

C$ 760

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 17/11

4:05 p.m.-12:14 a.m.

1 stop9h 09m

Calgary

Wed 19/11

5:35 a.m.-3:29 p.m.

1 stop8h 54m

C$ 780

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 10/3

7:00 a.m.-6:17 p.m.

1 stop12h 17m

Calgary

Wed 11/3

6:55 p.m.-11:56 p.m.

1 stop28h 01m

C$ 786

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Fri 23/1

8:05 a.m.-9:53 p.m.

2 stops14h 48m

Calgary

Tue 27/1

6:15 a.m.-9:13 p.m.

2 stops13h 58m

C$ 810

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from St. Louis to Calgary

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between St. Louis and Calgary?

What is the cheapest month to fly to Calgary?

The cheapest month to fly to Calgary from St. Louis is in January. Flight prices, which tend to average around C$ 509, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Calgary from St. Louis during April instead. Flights to Calgary in April, while not as cheap as those in January, still average around C$ 625.

What is the cheapest day to depart on your flight to Calgary?

The cheapest day to depart on your flight to Calgary is on a Thursday when prices can be found for as low as C$ 305. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from St. Louis because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 986.

What is the cheapest time of day to depart on your flight to Calgary?

Our data shows that the cheapest St. Louis to Calgary flights are usually those with departure times at noon. Our users have found flights to Calgary at noon for as low as C$ 501. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are C$ 816 on average. Flights to Calgary from St. Louis in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

How far in advance should I book a flight to Calgary?

You are more likely to see cheaper flights to Calgary from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Calgary for around C$ 787 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Calgary from St. Louis for as low as C$ 557 on momondo.

How have St. Louis to Calgary flight prices changed over time?

When to book flights from St. Louis to Calgary

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Calgary according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap St. Louis to Calgary (STL to YYC) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Calgary

Direct flights	None

There are no direct flights from St. Louis to Calgary. There are no popular flight routes from St. Louis to Calgary.

Search flight deals

How far is Lambert-St Louis to Calgary by plane?
There are 2315.6 km between Lambert-St Louis and Calgary. In terms of flight time, this usually takes a little over 7h 48m.
When did momondo last update prices for flights from Lambert-St Louis Airport to Calgary Airport?
Prices for flights from Lambert-St Louis Airport to Calgary Airport are updated daily.
How old do you have to be to fly from Lambert-St Louis Airport to Calgary Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Calgary Airport.
What documentation or ID do you need to fly to Calgary Airport?
The necessary travel and health documents for your Calgary Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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Lake Louise

Radium Hot Springs

Kananaskis

Drumheller

Airdrie

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Calgary?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Calgary . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from St. Louis to Calgary with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for St. Louis to Calgary flights to just show those with flexible booking policies.

How can momondo help me find flights from St. Louis to Calgary?

momondo provides multiple filters to help you find the best flight to Calgary from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from St. Louis to Calgary right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Calgary, momondo offers a useful price alert feature which will track prices for flights to Calgary from St. Louis and alert you when they change.