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Cheap flights from St. Louis to Calgary from C$ 227

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 10/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — YYC
3 May — 10 May1
1 adult
Fri 3/5
Fri 10/5

Cheap flight deals from St. Louis to Calgary

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Calgary (YYC). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 28 April 2024.

Popular in

November

Cheapest in

February

Average price

C$ 906

Round-trip from

C$ 192
High demand for flights, 23% potential price rise
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Best time to find cheap flights, 24% potential price drop
Search Deals
Average for round-trip flights in April 2024
Search Deals
From Lambert-St Louis to Calgary
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How far in advance should I book a flight from St. Louis to Calgary?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 25 days in advance, which can save you up to 49% on flights from St. Louis to Calgary compared to booking the week you need them. Waiting 25 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at C$ 533. For sooner than that we have options available in the next 3 days from C$ 533.

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

Due to multiple factors, expect to potentially pay more when booking in November. For low rates, February can be a great choice for travel to Calgary. Flights to Calgary from St. Louis in February are about C$ 865 on average during February, but can be found for as low as C$ 312.

When is the cheapest time to fly from St. Louis to Calgary (STL - YYC)?

It’s typically best to fly out from St. Louis to Calgary in the morning. Doing so could potentially save you 41% on the flight price compared to flying at noon, which is usually more expensive.

Cheap Air Canada flights from St. Louis to Calgary

Explore cheap flight options specifically provided by Air Canada for the route between St. Louis and Calgary. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 490,828 searches. Data last updated 28 April 2024.
Check out some of the cheapest Air Canada flights we've come across from St. Louis to Calgary. Make sure to double check the flight details before booking.
Tue 20/84:05 p.m.STL - YYC
1 stop7h 40mAir Canada
Fri 30/86:00 a.m.YYC - STL
1 stop8h 21mAir Canada
Deal found 28/4C$ 586
Tue 20/84:05 p.m.STL - YYC
1 stop7h 40mAir Canada
Wed 21/86:00 a.m.YYC - STL
1 stop8h 21mAir Canada
Deal found 26/4C$ 618
Thu 8/84:05 p.m.STL - YYC
1 stop18h 00mAir Canada
Tue 13/86:00 a.m.YYC - STL
1 stop8h 21mAir Canada
Deal found 28/4C$ 619
Thu 8/84:05 p.m.STL - YYC
1 stop18h 00mAir Canada
Fri 9/812:10 a.m.YYC - STL
1 stop14h 11mAir Canada
Deal found 28/4C$ 651
Wed 21/81:39 p.m.STL - YYC
1 stop9h 04mAir Canada
Sat 24/86:00 a.m.YYC - STL
1 stop8h 21mAir Canada
Deal found 28/4C$ 703
Thu 22/84:05 p.m.STL - YYC
1 stop7h 40mAir Canada
Sat 24/86:00 a.m.YYC - STL
1 stop8h 21mAir Canada
Deal found 28/4C$ 704
Tue 6/84:05 p.m.STL - YYC
1 stop7h 40mAir Canada
Sat 10/812:10 a.m.YYC - STL
1 stop14h 11mAir Canada
Deal found 28/4C$ 737
Thu 25/74:05 p.m.STL - YYC
1 stop18h 00mAir Canada
Thu 1/86:25 a.m.YYC - STL
1 stop14h 46mAir Canada
Deal found 27/4C$ 742
Fri 9/84:05 p.m.STL - YYC
1 stop7h 40mAir Canada
Sat 17/86:00 a.m.YYC - STL
1 stop8h 21mAir Canada
Deal found 28/4C$ 749

Cheap WestJet flights from St. Louis to Calgary

Explore cheap flight options specifically provided by WestJet for the route between St. Louis and Calgary. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 490,828 searches. Data last updated 28 April 2024.
To aid your search, here are some of the cheapest WestJet flights we've found from St. Louis to Calgary. Deals frequently update to provide users with more options.
Sat 10/86:45 a.m.STL - YYC
1 stop12h 40mWestJet
Mon 12/86:50 a.m.YYC - STL
1 stop13h 39mWestJet
Deal found 28/4C$ 615
Sat 20/75:25 p.m.STL - YYC
1 stop27h 34mWestJet
Wed 24/76:45 a.m.YYC - STL
1 stop13h 51mWestJet
Deal found 28/4C$ 622
Mon 27/57:10 a.m.STL - YYC
2 stops13h 05mWestJet
Mon 3/68:00 p.m.YYC - STL
2 stops12h 19mWestJet
Deal found 27/4C$ 629
Tue 20/83:30 p.m.STL - YYC
1 stop6h 11mWestJet
Tue 20/812:30 a.m.YYC - STL
1 stop11h 28mWestJet
Deal found 27/4C$ 642
Tue 20/86:30 a.m.STL - YYC
1 stop15h 11mWestJet
Tue 20/812:20 a.m.YYC - STL
2 stops11h 38mWestJet
Deal found 27/4C$ 657
Mon 27/56:00 a.m.STL - YYC
2 stops13h 20mWestJet
Sun 2/612:30 a.m.YYC - STL
1 stop22h 10mWestJet
Deal found 27/4C$ 666
Fri 31/56:30 a.m.STL - YYC
1 stop12h 55mWestJet
Thu 6/612:30 a.m.YYC - STL
1 stop13h 27mWestJet
Deal found 27/4C$ 674
Tue 30/76:15 a.m.STL - YYC
1 stop8h 30mWestJet
Wed 31/77:00 a.m.YYC - STL
2 stops13h 36mWestJet
Deal found 27/4C$ 675
Tue 20/86:30 a.m.STL - YYC
2 stops12h 43mWestJet
Wed 21/89:45 a.m.YYC - STL
1 stop9h 47mWestJet
Deal found 27/4C$ 677

Cheap St. Louis to Calgary flights in April & May 2024

Find cheap flight options from St. Louis to Calgary specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 490,828 searches. Prices were last updated on 28 April 2024.
Scroll through some of the best deals on flights from St. Louis to Calgary in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Mon 27/57:23 p.m.STL - YYC
1 stop17h 35mMultiple Airlines
Mon 3/67:30 p.m.YYC - STL
1 stop13h 43mMultiple Airlines
Deal found 27/4C$ 548
Mon 27/56:00 a.m.STL - YYC
2 stops13h 20mWestJet
Mon 3/69:45 a.m.YYC - STL
1 stop22h 34mWestJet
Deal found 27/4C$ 622
Mon 27/57:10 a.m.STL - YYC
2 stops13h 05mWestJet
Mon 3/68:00 p.m.YYC - STL
2 stops12h 19mWestJet
Deal found 27/4C$ 629
Mon 27/54:05 p.m.STL - YYC
3 stops27h 05mMultiple Airlines
Mon 3/611:20 p.m.YYC - STL
3 stops36h 45mMultiple Airlines
Deal found 27/4C$ 644
Fri 31/52:28 p.m.STL - YYC
1 stop9h 45mDelta
Fri 7/68:00 a.m.YYC - STL
1 stop8h 35mDelta
Deal found 27/4C$ 649
Mon 27/56:00 a.m.STL - YYC
2 stops13h 20mWestJet
Sun 2/612:30 a.m.YYC - STL
1 stop22h 10mWestJet
Deal found 27/4C$ 666
Mon 27/54:05 p.m.STL - YYC
2 stops20h 08mMultiple Airlines
Mon 3/611:20 p.m.YYC - STL
3 stops36h 45mMultiple Airlines
Deal found 27/4C$ 668
Fri 31/56:30 a.m.STL - YYC
1 stop12h 55mWestJet
Thu 6/612:30 a.m.YYC - STL
1 stop13h 27mWestJet
Deal found 27/4C$ 674
Mon 13/57:55 a.m.STL - YYC
1 stop6h 34mDelta
Sat 18/52:25 p.m.YYC - STL
1 stop5h 59mDelta
Deal found 28/4C$ 688

St. Louis to Calgary 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Calgary in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 490,828 searches. Data last updated 28 April 2024.
Scroll through some of the best deals on flights from St. Louis to Calgary in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Mon 27/57:23 p.m.STL - YYC
1 stop17h 35mMultiple Airlines
Mon 3/67:30 p.m.YYC - STL
1 stop13h 43mMultiple Airlines
Deal found 27/4C$ 548
Wed 24/73:07 p.m.STL - YYC
1 stop7h 55mMultiple Airlines
Tue 30/77:30 p.m.YYC - STL
1 stop13h 48mMultiple Airlines
Deal found 27/4C$ 581
Tue 20/84:05 p.m.STL - YYC
1 stop7h 40mAir Canada
Fri 30/86:00 a.m.YYC - STL
1 stop8h 21mAir Canada
Deal found 28/4C$ 586
Wed 21/82:20 p.m.STL - YYC
1 stop9h 56mDelta
Wed 28/812:25 p.m.YYC - STL
1 stop8h 11mDelta
Deal found 28/4C$ 590
Tue 20/83:30 p.m.STL - YYC
1 stop6h 11mDelta
Wed 28/88:05 a.m.YYC - STL
2 stops12h 24mDelta
Deal found 27/4C$ 604
Sat 10/86:45 a.m.STL - YYC
1 stop12h 40mWestJet
Mon 12/86:50 a.m.YYC - STL
1 stop13h 39mWestJet
Deal found 28/4C$ 615
Tue 20/84:05 p.m.STL - YYC
1 stop7h 40mAir Canada
Wed 21/86:00 a.m.YYC - STL
1 stop8h 21mAir Canada
Deal found 26/4C$ 618
Thu 8/84:05 p.m.STL - YYC
1 stop18h 00mAir Canada
Tue 13/86:00 a.m.YYC - STL
1 stop8h 21mAir Canada
Deal found 28/4C$ 619
Sat 20/75:25 p.m.STL - YYC
1 stop27h 34mWestJet
Wed 24/76:45 a.m.YYC - STL
1 stop13h 51mWestJet
Deal found 28/4C$ 622

One-way flights to Calgary from St. Louis

Search for one-way flight options from St. Louis to Calgary. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 490,828 searches. Data last updated 28 April 2024.
Some of the best available deals we've found on one-way flights from St. Louis to Calgary. Those needing a return flight from St. Louis to Calgary can use the search form above.
Tue 10/97:29 p.m.STL - YYC
1 stop17h 27mMultiple Airlines
Deal found 27/4C$ 227
Wed 29/511:36 a.m.STL - YYC
1 stop11h 35mMultiple Airlines
Deal found 28/4C$ 234
Tue 16/72:30 p.m.STL - YYC
1 stop9h 33mDelta
Deal found 28/4C$ 262
Fri 20/97:00 a.m.STL - YYC
2 stops10h 59mMultiple Airlines
Deal found 28/4C$ 268
Sat 21/910:25 a.m.STL - YYC
2 stops13h 56mDelta
Deal found 28/4C$ 269
Wed 29/511:36 a.m.STL - YYC
2 stops21h 54mMultiple Airlines
Deal found 28/4C$ 272
Tue 10/98:00 a.m.STL - YYC
2 stops12h 50mMultiple Airlines
Deal found 27/4C$ 275
Wed 29/511:36 a.m.STL - YYC
3 stops30h 28mMultiple Airlines
Deal found 28/4C$ 301
Tue 16/73:24 p.m.STL - YYC
1 stop6h 21mWestJet
Deal found 27/4C$ 306

Find flights from St. Louis to Calgary within your budget

Customize your flight search to find flights from St. Louis to Calgary that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 490,828 searches. Data last updated 28 April 2024.

Fly from

Any airport

Fly to

Any airport

Budget

C$ 548 - C$ 1,091

Route

Depart

Return

Price

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 27/5

1 stop17h 35m

Calgary

Mon 3/6

1 stop13h 43m

C$ 548

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Wed 24/7

1 stop7h 55m

Calgary

Tue 30/7

1 stop13h 48m

C$ 581

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 20/8

1 stop7h 40m

Calgary

Fri 30/8

1 stop8h 21m

C$ 586

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Wed 21/8

1 stop9h 56m

Calgary

Wed 28/8

1 stop8h 11m

C$ 590

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 20/8

1 stop6h 11m

Calgary

Wed 28/8

2 stops12h 24m

C$ 604

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sat 10/8

1 stop12h 40m

Calgary

Mon 12/8

1 stop13h 39m

C$ 615

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Thu 27/6

1 stop17h 23m

Calgary

Thu 4/7

1 stop10h 46m

C$ 884

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sun 13/10

1 stop13h 48m

Calgary

Fri 18/10

2 stops17h 22m

C$ 916

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Fri 28/6

1 stop17h 52m

Calgary

Sun 7/7

1 stop29h 20m

C$ 1,091

Flights are sorted by cheapest first

Deals found on 27/4

When is the best time to book a flight from St. Louis to Calgary?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Calgary. Price data was last updated on 28 January 2024.
The price you pay for your flight from St. Louis to Calgary may vary depending on when you book. For the best chance of a lower fare, look to book 90 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

When is the cheapest time to fly from St. Louis to Calgary?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Calgary. Price data was last updated on 28 April 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Calgary flight should consider departing on Wednesday at noon when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Calgary by month

Plan your trip from St. Louis to Calgary by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Calgary is currently C$ 268 while a round-trip flight costs C$ 713. Price data was last updated on 21 April 2024.

Currently, September is the cheapest month in which you can book a flight from St. Louis to Calgary (average of C$ 140). Flying from St. Louis to Calgary in March is currently the most expensive (average of C$ 239). 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.

January

C$ 226

February

C$ 239

March

C$ 327

April

C$ 279

May

C$ 246

June

C$ 256

July

C$ 327

August

C$ 302

September

C$ 191

October

C$ 197

November

C$ 249

December

C$ 265

Temperature and rainfall in Calgary by month

Plan your trip to Calgary by taking into account the average temperature and rainfall totals by month.

YYC

Temperature

-7 - 17 °C

Reviews of airlines servicing Calgary

Get insights into the airlines that provide service to Calgary. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Calgary. Reviews last updated 28 April 2024.
Read reviews from past customers who have flown Air Canada, WestJet and Delta from St. Louis to Calgary. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Comfort

7.9

Entertainment

7.3

Crew

8.6

Food

7.3

Overall

8.1

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,110 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Comfort

7.9

Entertainment

7.3

Crew

8.6

Food

7.3

Overall

8.1

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Delta
8.1
Very good
10,932 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Comfort

7.9

Entertainment

7.3

Crew

8.6

Food

7.3

Overall

8.1

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

WestJet
7.5
Good
2,977 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Comfort

7.9

Entertainment

7.3

Crew

8.6

Food

7.3

Overall

8.1

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

United Airlines
7.4
Good
11,221 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Comfort

7.9

Entertainment

7.3

Crew

8.6

Food

7.3

Overall

8.1

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

American Airlines
7.3
Good
14,844 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Comfort

7.9

Entertainment

7.3

Crew

8.6

Food

7.3

Overall

8.1

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Calgary. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from St. Louis to Calgary for under C$ 600 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Calgary for under C$ 600. The cheapest flight booked recently is on Multiple Airlines for just C$ 548, but on average you can expect to pay C$ 630.

  • What are the cheapest airlines flying from St. Louis to Calgary round-trip?

    Flying on Air Canada is currently your cheapest option to Calgary, with prices starting at C$ 586. Additional round-trip tickets that might be worth considering are offered by Delta and WestJet, with the lowest prices starting at C$ 590 and C$ 615, respectively. These flights start at 32% lower than the current average price 3 months from now.

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

    For one-way options, check prices for Delta. According to our data, you can fly for as low as C$ 262. Users have also found prices from C$ 306 and C$ 446 on WestJet and American Airlines, respectively.

  • What does STL to YYC mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Lambert-St Louis Airport to Calgary Airport flight would often be abbreviated as a STL to YYC flight.

  • Can I find deals for flights from St. Louis to Calgary that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Calgary flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Calgary with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Calgary flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from St. Louis to Calgary that include hotel bookings?

    Yes. In addition to deals on St. Louis to Calgary flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Calgary?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Calgary.

  • Can I find deals for business class flights from St. Louis to Calgary?

    Yes. Cheapflights offers flight deals from St. Louis to Calgary by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from St. Louis to Calgary that allow pets onboard?

    Many airlines flying from St. Louis to Calgary offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Calgary?

    Yes, you can often find last-minute deals on St. Louis to Calgary flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Calgary flight deals updated?

    The St. Louis to Calgary flight deals you see on this page were last updated on 28/4.

See more FAQs

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Alternative routes for St. Louis to Calgary
See prices for flight routes from nearby airports that may be better suited for you.

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St. Louis to Edmonton flights

Top airline flying from St. Louis to Calgary

Discover the top airline that operate flights from St. Louis to Calgary. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 490,828 searches. Data last updated 28 April 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 321AverageC$ 745FlexibilityNo cancel feeOn-time67%
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Search flights from St. Louis to Calgary by cabin class

Find flights from St. Louis to Calgary, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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How does Cheapflights help users find flights from St. Louis to Calgary?

When you search for this flight from St. Louis to Calgary, 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 Calgary?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Calgary from St. Louis.

Can Cheapflights find flights from St. Louis to Calgary with no change fees?

Need flexible booking options for your flight to Calgary from St. Louis? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from St. Louis to Calgary become cheaper?

Of course! You can now track prices for flights from St. Louis to Calgary and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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