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Cheap flights from St. Louis to Calgary from $136

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Calgary departing on 2/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from St. Louis to Calgary

Cheap round-trip flights

These are some of the best round-trip flight deals from St. Louis to Calgary 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 St. Louis to Calgary.

Cheap last minute flights

Planning a quick getaway from St. Louis to Calgary? 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 Calgary, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from St. Louis to Calgary

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

All round-trip flight deals to Calgary

The cheapest plane tickets to Calgary found on KAYAK recently.
8:27 am - 9:41 pmSTL-YYC
14h 14m1 stop
6:15 am - 3:06 pmYYC-STL
7h 51m1 stop
$360Air Canada
Find Deal
Thu, Jan 9 - Sat, Jan 11
3:50 pm - 11:18 pmSTL-YYC
8h 28m1 stop
6:15 am - 3:06 pmYYC-STL
7h 51m1 stop
$361Air Canada
Find Deal
Sun, Jan 26 - Fri, Jan 31
2:13 pm - 11:15 pmSTL-YYC
10h 02m1 stop
6:35 am - 2:50 pmYYC-STL
7h 15m1 stop
$365Delta
Find Deal
Fri, Feb 14 - Wed, Feb 19
10:22 am - 11:18 pmSTL-YYC
13h 56m2 stops
6:35 am - 2:54 pmYYC-STL
7h 19m1 stop
$374Delta
Find Deal
Thu, Jan 9 - Sat, Jan 11
10:22 am - 11:18 pmSTL-YYC
13h 56m2 stops
8:00 am - 11:14 pmYYC-STL
14h 14m2 stops
$379Delta
Find Deal
Thu, Jan 9 - Sat, Jan 11
5:37 pm - 11:50 amSTL-YYC
19h 13m1 stop
6:29 am - 4:33 pmYYC-STL
9h 04m1 stop
$392American Airlines
Find Deal
Sat, Feb 15 - Thu, Feb 20
6:00 am - 7:08 pmSTL-YYC
14h 08m2 stops
6:35 am - 11:09 pmYYC-STL
15h 34m1 stop
$399WestJet
Find Deal
Thu, Jan 30 - Thu, Feb 6
6:00 am - 7:08 pmSTL-YYC
14h 08m2 stops
9:45 pm - 9:21 amYYC-STL
10h 36m2 stops
$404WestJet
Find Deal
Thu, Jan 30 - Thu, Feb 6
12:15 pm - 10:55 pmSTL-YYC
35h 40m3 stops
4:35 pm - 12:10 pmYYC-STL
42h 35m3 stops
Sun, Jan 26 - Fri, Jan 31
2:55 pm - 11:57 pmSTL-YYC
10h 02m1 stop
10:30 am - 4:45 pmYYC-STL
5h 15m1 stop
Sat, Jun 14 - Wed, Jun 18
12:15 pm - 7:36 pmSTL-YYC
32h 21m2 stops
Wed, Feb 19
2:13 pm - 11:15 pmSTL-YYC
10h 02m1 stop
$157Delta
Find Deal
Fri, Feb 14
6:59 pm - 11:13 amSTL-YYC
17h 14m2 stops
Fri, Feb 14
6:59 pm - 11:13 amSTL-YYC
17h 14m2 stops
Fri, Feb 14
12:15 pm - 12:38 pmSTL-YYC
25h 23m3 stops
Wed, Feb 19
5:17 pm - 10:30 amSTL-YYC
18h 13m2 stops
7:00 am - 11:14 pmYYC-STL
15h 14m2 stops
$609WestJet
Find Deal
Thu, Dec 26 - Tue, Jan 7
2:15 pm - 11:16 pmSTL-YYC
10h 01m1 stop
12:30 pm - 11:14 pmYYC-STL
9h 44m2 stops
$697Delta
Find Deal
Thu, Dec 26 - Tue, Jan 7
12:55 pm - 8:04 pmSTL-YYC
8h 09m1 stop
9:40 pm - 11:37 pmYYC-STL
24h 57m2 stops
$790WestJet
Find Deal
Fri, Dec 27 - Sun, Jan 5
12:55 pm - 9:06 amSTL-YYC
21h 11m2 stops
7:45 am - 11:40 pmYYC-STL
14h 55m2 stops
$832WestJet
Find Deal
Thu, Dec 26 - Thu, Jan 2
3:50 pm - 11:18 pmSTL-YYC
8h 28m1 stop
6:19 am - 12:48 pmYYC-STL
5h 29m1 stop
$855Air Canada
Find Deal
Thu, Dec 26 - Tue, Jan 7
9:53 am - 9:01 pmSTL-YYC
12h 08m2 stops
10:30 am - 8:29 pmYYC-STL
8h 59m1 stop
Fri, Dec 27 - Fri, Jan 3
9:53 am - 9:01 pmSTL-YYC
12h 08m2 stops
3:45 pm - 11:10 amYYC-STL
18h 25m1 stop
Fri, Dec 27 - Sat, Jan 4
11:36 am - 9:55 pmSTL-YYC
11h 19m1 stop
12:45 pm - 8:58 amYYC-STL
19h 13m1 stop
$906American Airlines
Find Deal
Fri, Dec 27 - Fri, Jan 3
11:36 am - 9:50 pmSTL-YYC
11h 14m1 stop
6:24 am - 4:39 pmYYC-STL
9h 15m1 stop
$917American Airlines
Find Deal
Thu, Dec 26 - Thu, Jan 2
8:35 am - 2:01 pmSTL-YYC
6h 26m1 stop
12:50 am - 3:06 pmYYC-STL
13h 16m1 stop
$1,030Air Canada
Find Deal
Thu, Dec 26 - Wed, Jan 1

Alaska Airlines flights from St. Louis to Calgary

Our best Alaska Airlines deals on St. Louis to Calgary flight tickets
Alaska Airlines
May 20
STL7:30 pmLambert-St Louis
16h 07m
1 stop
YYC10:37 amCalgary
May 24
YYC6:55 pmCalgary
17h 57m
1 stop
STL1:52 pmLambert-St Louis
Alaska Airlines
May 14
STL6:30 amLambert-St Louis
29h 07m
1 stop
YYC10:37 amCalgary
May 19
YYC6:55 pmCalgary
22h 42m
1 stop
STL6:37 pmLambert-St Louis
Alaska Airlines
Mar 18
STL7:00 amLambert-St Louis
12h 09m
1 stop
YYC6:09 pmCalgary
Mar 23
YYC6:59 pmCalgary
28h 00m
1 stop
STL11:59 pmLambert-St Louis

Air Canada flights from St. Louis to Calgary

Our best Air Canada deals on St. Louis to Calgary flight tickets
Air Canada
Jan 9
STL8:27 amLambert-St Louis
14h 14m
1 stop
YYC9:41 pmCalgary
Jan 11
YYC6:15 amCalgary
7h 51m
1 stop
STL3:06 pmLambert-St Louis
Air Canada
Jan 26
STL3:50 pmLambert-St Louis
8h 28m
1 stop
YYC11:18 pmCalgary
Jan 31
YYC6:15 amCalgary
7h 51m
1 stop
STL3:06 pmLambert-St Louis
Air Canada
Jan 9
STL8:27 amLambert-St Louis
14h 14m
1 stop
YYC9:41 pmCalgary
Jan 10
YYC12:05 amCalgary
14h 01m
1 stop
STL3:06 pmLambert-St Louis

See travel insights to Calgary from

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

What is the cheapest month to fly to Calgary?

The month of January is, on average, the cheapest month to fly to Calgary from St. Louis, with most prices found around $379. 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 $488.

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 Tuesday when prices can be found for as low as $456. This is often the case because there is less demand to fly during this day of the week. Flights from St. Louis to Calgary on a Sunday will generally be more expensive and average around $617. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

The cheapest time of day to fly to Calgary is at noon when flights can be purchased for as low as $499. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $628 on average. Flights to Calgary from St. Louis in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

Most flyers found that booking tickets 55 days in advance of their planned departure date is the best time to get cheap flights to Calgary. During this timeframe, flight prices are around $546. Don’t hesitate to check prices now though because momondo users recently found tickets for as low as $183.

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

As of December 2024, prices for St. Louis to Calgary flights are approximately 40% cheaper when compared to flights at the same time last year.

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

$136

Fastest flight time

6h 04m

Direct flights

None

Airports in Calgary

1 airport
The best one-way flight to Calgary from St. Louis in the past 72 hours is $136. The best round-trip flight deal from St. Louis to Calgary found on momondo in the last 72 hours is $360.
The fastest flight from St. Louis to Calgary takes 6h 04m
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)

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

    Calgary is 1438.9 mi away from Lambert-St Louis. Flights usually cover this in 6h 04m, depending on flying conditions and air traffic around both airports.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 required travel and health documents for your Calgary Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Calgary Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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


Best airlines flying from St. Louis to Calgary

Compare and see reviews for airlines that fly from St. Louis to Calgary with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $189Free CancellationRating
7.0
8,421 reviews
Search Air Canada flights
DeltaPriceFrom $328Free CancellationRating
8.0
8,588 reviews
Search Delta flights
American AirlinesPriceFrom $353Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $353Free CancellationRating
7.4
9,020 reviews
Search United Airlines flights
WestJetPriceFrom $396Free CancellationRating
7.2
2,816 reviews
Search WestJet flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Calgary. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Calgary from St. Louis which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Calgary.

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

Yes momondo offers price alerts on flights to Calgary from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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