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

American 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$ 189 Cheap Flights from St. Louis to Calgary in 2025

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$ 658 to C$ 889. The lowest price recently found on this route was C$ 459.

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Find the cheapest flights from St. Louis to Calgary

Round-trip

One-way

Last minute

Cheap round-trip flights

9:27 a.m. - 11:19 p.m.STL-YYC

14h 52m1 stop

1:26 p.m. - 11:48 p.m.YYC-STL

9h 22m1 stop

C$ 459American Airlines

Find Deal

Thu, 4 Sep - Thu, 11 Sep

7:23 a.m. - 11:19 p.m.STL-YYC

16h 56m1 stop

1:26 p.m. - 9:26 a.m.YYC-STL

19h 00m1 stop

C$ 460American Airlines

Find Deal

Sat, 20 Sep - Tue, 23 Sep

6:05 a.m. - 11:19 p.m.STL-YYC

18h 14m1 stop

6:29 a.m. - 11:48 p.m.YYC-STL

16h 19m1 stop

C$ 468American Airlines

Find Deal

Thu, 18 Sep - Mon, 22 Sep

9:56 a.m. - 11:19 p.m.STL-YYC

14h 23m1 stop

6:29 a.m. - 8:32 p.m.YYC-STL

13h 03m1 stop

C$ 470American Airlines

Find Deal

Sat, 6 Sep - Sat, 13 Sep

9:50 a.m. - 8:02 p.m.STL-YYC

11h 12m2 stops

12:30 a.m. - 3:04 p.m.YYC-STL

13h 34m1 stop

C$ 486

Find Deal

Thu, 4 Sep - Wed, 10 Sep

7:23 a.m. - 11:29 p.m.STL-YYC

17h 06m1 stop

6:29 a.m. - 8:32 p.m.YYC-STL

13h 03m1 stop

C$ 496American Airlines

Find Deal

Tue, 2 Sep - Tue, 9 Sep

9:50 a.m. - 8:02 p.m.STL-YYC

11h 12m2 stops

12:30 a.m. - 3:04 p.m.YYC-STL

13h 34m1 stop

C$ 510

Find Deal

Thu, 4 Sep - Wed, 10 Sep

12:25 p.m. - 11:38 a.m.STL-YYC

24h 13m1 stop

12:37 p.m. - 3:46 p.m.YYC-STL

26h 09m1 stop

C$ 570United Airlines

Find Deal

Wed, 22 Oct - Fri, 31 Oct

5:00 a.m. - 9:48 p.m.STL-YYC

17h 48m2 stops

12:37 p.m. - 2:25 p.m.YYC-STL

24h 48m1 stop

C$ 584United Airlines

Find Deal

Wed, 22 Oct - Fri, 31 Oct

4:00 p.m. - 11:10 p.m.STL-YYC

8h 10m1 stop

9:40 a.m. - 7:45 p.m.YYC-STL

9h 05m1 stop

C$ 714Air Canada

Find Deal

Sat, 30 Aug - Mon, 1 Sep

American Airlines flights from St. Louis to Calgary

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

American Airlines

4 Sep

STL9:27 a.m.Lambert-St Louis

14h 52m

1 stop

YYC11:19 p.m.Calgary

11 Sep

YYC1:26 p.m.Calgary

9h 22m

1 stop

STL11:48 p.m.Lambert-St Louis

C$ 459

Find similar

American Airlines

20 Sep

STL7:23 a.m.Lambert-St Louis

16h 56m

1 stop

YYC11:19 p.m.Calgary

23 Sep

YYC1:26 p.m.Calgary

19h 00m

1 stop

STL9:26 a.m.Lambert-St Louis

C$ 460

Find similar

American Airlines

18 Sep

STL6:05 a.m.Lambert-St Louis

18h 14m

1 stop

YYC11:19 p.m.Calgary

22 Sep

YYC6:29 a.m.Calgary

16h 19m

1 stop

STL11:48 p.m.Lambert-St Louis

C$ 468

Find similar

Air Canada flights from St. Louis to Calgary

Our best Air Canada deals on St. Louis to Calgary flight tickets

Air Canada

30 Aug

STL4:00 p.m.Lambert-St Louis

8h 10m

1 stop

YYC11:10 p.m.Calgary

1 Sep

YYC9:40 a.m.Calgary

9h 05m

1 stop

STL7:45 p.m.Lambert-St Louis

C$ 714

Find similar

Air Canada

17 Aug

STL1:30 p.m.Lambert-St Louis

10h 43m

1 stop

YYC11:13 p.m.Calgary

23 Aug

YYC6:00 a.m.Calgary

8h 21m

1 stop

STL3:21 p.m.Lambert-St Louis

C$ 732

Find similar

Air Canada

17 Aug

STL1:30 p.m.Lambert-St Louis

10h 43m

1 stop

YYC11:13 p.m.Calgary

23 Aug

YYC6:00 a.m.Calgary

8h 21m

1 stop

STL3:21 p.m.Lambert-St Louis

C$ 738

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Thu 4/9

9:27 a.m.-11:19 p.m.

1 stop14h 52m

Calgary

Thu 11/9

1:26 p.m.-11:48 p.m.

1 stop9h 22m

C$ 459

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sat 20/9

7:23 a.m.-11:19 p.m.

1 stop16h 56m

Calgary

Tue 23/9

1:26 p.m.-9:26 a.m.

1 stop19h 00m

C$ 460

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Thu 18/9

6:05 a.m.-11:19 p.m.

1 stop18h 14m

Calgary

Mon 22/9

6:29 a.m.-11:48 p.m.

1 stop16h 19m

C$ 468

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sat 6/9

9:56 a.m.-11:19 p.m.

1 stop14h 23m

Calgary

Sat 13/9

6:29 a.m.-8:32 p.m.

1 stop13h 03m

C$ 470

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Thu 4/9

9:50 a.m.-8:02 p.m.

2 stops11h 12m

Calgary

Wed 10/9

12:30 a.m.-3:04 p.m.

1 stop13h 34m

C$ 486

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 2/9

7:23 a.m.-11:29 p.m.

1 stop17h 06m

Calgary

Tue 9/9

6:29 a.m.-8:32 p.m.

1 stop13h 03m

C$ 496

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Thu 4/9

9:50 a.m.-8:02 p.m.

2 stops11h 12m

Calgary

Wed 10/9

12:30 a.m.-3:04 p.m.

1 stop13h 34m

C$ 510

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Wed 22/10

12:25 p.m.-11:38 a.m.

1 stop24h 13m

Calgary

Fri 31/10

12:37 p.m.-3:46 p.m.

1 stop26h 09m

C$ 570

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Wed 22/10

5:00 a.m.-9:48 p.m.

2 stops17h 48m

Calgary

Fri 31/10

12:37 p.m.-2:25 p.m.

1 stop24h 48m

C$ 584

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sat 30/8

4:00 p.m.-11:10 p.m.

1 stop8h 10m

Calgary

Mon 1/9

9:40 a.m.-7:45 p.m.

1 stop9h 05m

C$ 714

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$ 497, 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$ 672.

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$ 298. 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$ 962.

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$ 489. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are C$ 797 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$ 771 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$ 623 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

Best price found	C$ 189
Fastest flight time	6h 18m
Direct flights	None
Airports in Calgary	1 airport

The best one-way flight to Calgary from St. Louis in the past 72 hours is C$ 189. The best round-trip flight deal from St. Louis to Calgary found on momondo in the last 72 hours is C$ 459.

The fastest flight from St. Louis to Calgary takes 6h 18m

There are no direct flights from St. Louis to Calgary. Popular non-direct route for this connection is Lambert-St Louis Airport - Calgary Airport.

There is 1 airport near Calgary: Calgary (YYC)

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 6h 18m.
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.

Banff

Canmore

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.