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Cheap flights from Calgary to St. Louis from C$ 237

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Calgary to St. Louis departing on 13/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Calgary to St. Louis

Cheap round-trip flights

These are some of the best round-trip flight deals from Calgary to St. Louis that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Calgary to St. Louis.

Cheap last-minute flights

Planning a quick getaway from Calgary to St. Louis? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to St. Louis, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Calgary to St. Louis

Find recent round-trip train or bus tickets from Calgary to St. Louis.

All round-trip flight deals to St. Louis

The cheapest plane tickets to St. Louis found on KAYAK recently.
7:15 a.m. - 8:56 p.m.YYC-STL
12h 41m2 stops
2:13 p.m. - 11:18 p.m.STL-YYC
10h 05m1 stop
C$ 419Delta
Find Deal
Fri, 17 Jan - Mon, 20 Jan
6:15 a.m. - 3:06 p.m.YYC-STL
7h 51m1 stop
3:50 p.m. - 11:18 p.m.STL-YYC
8h 28m1 stop
C$ 427Air Canada
Find Deal
Fri, 10 Jan - Mon, 13 Jan
6:29 a.m. - 7:30 p.m.YYC-STL
12h 01m1 stop
1:40 p.m. - 9:57 p.m.STL-YYC
9h 17m1 stop
C$ 438
Find Deal
Fri, 17 Jan - Mon, 20 Jan
9:45 p.m. - 6:02 p.m.YYC-STL
19h 17m2 stops
10:22 a.m. - 7:08 p.m.STL-YYC
9h 46m2 stops
C$ 455WestJet
Find Deal
Fri, 17 Jan - Mon, 20 Jan
12:50 a.m. - 3:06 p.m.YYC-STL
13h 16m1 stop
8:27 a.m. - 9:41 p.m.STL-YYC
14h 14m1 stop
C$ 468Air Canada
Find Deal
Thu, 16 Jan - Mon, 20 Jan
12:30 a.m. - 11:47 a.m.YYC-STL
10h 17m1 stop
10:22 a.m. - 7:08 p.m.STL-YYC
9h 46m2 stops
C$ 469WestJet
Find Deal
Thu, 9 Jan - Mon, 13 Jan
12:30 a.m. - 6:45 p.m.YYC-STL
17h 15m1 stop
10:22 a.m. - 7:08 p.m.STL-YYC
9h 46m2 stops
C$ 478WestJet
Find Deal
Thu, 16 Jan - Mon, 20 Jan
12:30 a.m. - 11:47 a.m.YYC-STL
10h 17m1 stop
10:22 a.m. - 8:53 p.m.STL-YYC
11h 31m1 stop
C$ 480WestJet
Find Deal
Thu, 16 Jan - Mon, 20 Jan
12:30 a.m. - 11:47 a.m.YYC-STL
10h 17m1 stop
6:00 a.m. - 8:53 p.m.STL-YYC
15h 53m1 stop
C$ 482WestJet
Find Deal
Thu, 9 Jan - Mon, 13 Jan
8:45 p.m. - 6:45 p.m.YYC-STL
21h 00m2 stops
10:20 a.m. - 1:06 a.m.STL-YYC
15h 46m2 stops
C$ 486WestJet
Find Deal
Fri, 10 Jan - Mon, 13 Jan
6:15 a.m. - 3:06 p.m.YYC-STL
7h 51m1 stop
C$ 237Air Canada
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Fri, 13 Dec
7:00 a.m. - 9:04 p.m.YYC-STL
13h 04m2 stops
C$ 242Delta
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Fri, 13 Dec
12:30 a.m. - 11:43 p.m.YYC-STL
22h 13m1 stop
C$ 267WestJet
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Thu, 12 Dec
12:20 a.m. - 5:59 p.m.YYC-STL
16h 39m2 stops
C$ 286WestJet
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Thu, 12 Dec
10:05 a.m. - 3:21 p.m.YYC-STL
28h 16m3 stops
C$ 358
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Fri, 13 Dec
12:30 a.m. - 3:21 p.m.YYC-STL
37h 51m3 stops
C$ 360
Find Deal
Thu, 12 Dec
6:00 a.m. - 10:26 p.m.YYC-STL
15h 26m3 stops
C$ 374
Find Deal
Fri, 13 Dec
12:45 p.m. - 8:52 a.m.YYC-STL
19h 07m1 stop
C$ 409American Airlines
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Mon, 23 Dec
6:29 a.m. - 4:39 p.m.YYC-STL
9h 10m1 stop
C$ 560American Airlines
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Wed, 1 Jan
1:30 p.m. - 12:29 p.m.YYC-STL
21h 59m3 stops
C$ 1,158United Airlines
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Thu, 2 Jan
6:00 a.m. - 6:15 p.m.YYC-STL
11h 15m2 stops
10:21 a.m. - 7:47 a.m.STL-YYC
22h 26m2 stops
C$ 644WestJet
Find Deal
Mon, 25 Nov - Mon, 2 Dec
3:00 p.m. - 9:55 p.m.YYC-STL
5h 55m1 stop
6:00 a.m. - 7:47 a.m.STL-YYC
26h 47m2 stops
C$ 647WestJet
Find Deal
Mon, 25 Nov - Mon, 2 Dec
12:20 a.m. - 12:04 p.m.YYC-STL
10h 44m2 stops
10:21 a.m. - 2:21 p.m.STL-YYC
29h 00m2 stops
C$ 652WestJet
Find Deal
Sun, 24 Nov - Mon, 2 Dec
12:45 p.m. - 10:38 p.m.YYC-STL
8h 53m1 stop
5:31 p.m. - 11:45 a.m.STL-YYC
19h 14m1 stop
C$ 722British Airways
Find Deal
Mon, 25 Nov - Mon, 2 Dec
12:20 a.m. - 12:04 p.m.YYC-STL
10h 44m2 stops
3:21 p.m. - 8:35 p.m.STL-YYC
6h 14m1 stop
C$ 890WestJet
Find Deal
Sun, 24 Nov - Mon, 2 Dec
12:50 a.m. - 3:06 p.m.YYC-STL
13h 16m1 stop
1:39 p.m. - 9:41 p.m.STL-YYC
9h 02m1 stop
C$ 909Air Canada
Find Deal
Sun, 24 Nov - Mon, 2 Dec

Air Canada flights from Calgary to St. Louis

Our best Air Canada deals on Calgary to St. Louis flight tickets
Air Canada
10 Jan
YYC6:15 a.m.Calgary
7h 51m
1 stop
STL3:06 p.m.Lambert-St Louis
13 Jan
STL3:50 p.m.Lambert-St Louis
8h 28m
1 stop
YYC11:18 p.m.Calgary
Air Canada
16 Jan
YYC12:50 a.m.Calgary
13h 16m
1 stop
STL3:06 p.m.Lambert-St Louis
20 Jan
STL8:27 a.m.Lambert-St Louis
14h 14m
1 stop
YYC9:41 p.m.Calgary

WestJet flights from Calgary to St. Louis

Our best WestJet deals on Calgary to St. Louis flight tickets
WestJet
17 Jan
YYC9:45 p.m.Calgary
19h 17m
2 stops
STL6:02 p.m.Lambert-St Louis
20 Jan
STL10:22 a.m.Lambert-St Louis
9h 46m
2 stops
YYC7:08 p.m.Calgary
WestJet
9 Jan
YYC12:30 a.m.Calgary
10h 17m
1 stop
STL11:47 a.m.Lambert-St Louis
13 Jan
STL10:22 a.m.Lambert-St Louis
9h 46m
2 stops
YYC7:08 p.m.Calgary
WestJet
16 Jan
YYC12:30 a.m.Calgary
17h 15m
1 stop
STL6:45 p.m.Lambert-St Louis
20 Jan
STL10:22 a.m.Lambert-St Louis
9h 46m
2 stops
YYC7:08 p.m.Calgary

See travel insights to St. Louis from

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

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

What is the cheapest month to fly to St. Louis?

The month of March is, on average, the cheapest month to fly to St. Louis from Calgary, with most prices found around C$ 459. If you don’t want to visit St. Louis in March, then you should wait until May to fly from Calgary, when ticket prices are also cheap, with an average price of C$ 519.

What is the cheapest day to depart on your flight to St. Louis?

Our data shows that Thursday is the least expensive day to fly to St. Louis. Tickets to fly out on this day can be as low as C$ 480. The most expensive day to fly to St. Louis is Friday, with ticket prices averaging around C$ 777.

What is the cheapest time of day to depart on your flight to St. Louis?

The cheapest time of day to fly to St. Louis is in the afternoon when flights can be purchased for as low as C$ 488. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are C$ 716 on average. Flights to St. Louis from Calgary in the evening 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 St. Louis?

The best time to book a flight to St. Louis from Calgary is 56 days out, which is when prices tend to be around C$ 638. In the past 72 hours, momondo users found flights from Calgary to St. Louis for as low as C$ 534.

Can stopping save me money on Calgary to St. Louis flights?

You could potentially save up to 1% on your flight if you consider stops on a Calgary to St. Louis flight.

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

As of November 2024, prices for Calgary to St. Louis flights are approximately 25% cheaper when compared to flights at the same time last year.

When to book flights from Calgary to St. Louis

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

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

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

Best price found

C$ 237

Fastest flight time

7h 51m

Direct flights

None

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Calgary in the past 72 hours is C$ 237. The best round-trip flight deal from Calgary to St. Louis found on momondo in the last 72 hours is C$ 419.
The fastest flight from Calgary to St. Louis takes 7h 51m
There are no direct flights from Calgary to St. Louis. Popular non-direct route for this connection is Calgary Airport - Lambert-St Louis Airport.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

  • How far is Calgary to Lambert-St Louis by plane?

    The straight-line distance from Calgary to Lambert-St Louis is 2315.6 km. In terms of flight time, this usually takes a little over 7h 51m.

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

    Prices for flights from Calgary Airport to Lambert-St Louis Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Calgary Airport to Lambert-St Louis Airport?

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

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Calgary to St. Louis?


Best airlines flying from Calgary to St. Louis

Compare and see reviews for airlines that fly from Calgary to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 317Free CancellationRating
7.0
8,246 reviews
Search Air Canada flights
WestJetPriceFrom C$ 373Free CancellationRating
7.3
2,811 reviews
Search WestJet flights
DeltaPriceFrom C$ 382Free CancellationRating
8.0
8,755 reviews
Search Delta flights
United AirlinesPriceFrom C$ 444Free CancellationRating
7.4
9,172 reviews
Search United Airlines flights

Why use momondo?

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

It is quick and easy to find Calgary to St. Louis flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from Calgary.

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

Yes. momondo can track prices for Calgary to St. Louis flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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