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Cheap flights from St. Louis (STL) to Calgary (YYC) from $121

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 7/11. 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
Jun 17 — Jun 241
From?
To?
Mon 6/17
Mon 6/24
1 adult, Economy
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The best prices from Lambert-St Louis to Calgary are usually found in March or February, booked 90 days in advance, depart on a Monday or Tuesday and return on a Saturday

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 June 12, 2024.

Popular in

July

Cheapest in

March

Round-trip from

$310

One-way from

$121
High demand for flights, 12% potential price rise
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Best time to find cheap flights, 17% potential price drop
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From Lambert-St Louis to Calgary
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One-way flight from Lambert-St Louis to Calgary
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What is the cheapest day to fly round-trip from St. Louis to Calgary?

Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Calgary. Check prices with Cheapflights to find a great deal for your trip.

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 36 days in advance, which can save you up to 134% on flights from St. Louis to Calgary compared to booking the week you need them. Waiting 36 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 $596. For sooner than that we have options available in the next 3 days from $849.

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

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, March can be a great choice for travel to Calgary. Flights to Calgary from St. Louis in March are about $590 on average during March, but can be found for as low as $180.

What is the cheapest time of day to fly from STL to YYC?

When flying from St. Louis to Calgary, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 12% versus a flight in the morning.

Cheap St. Louis to Calgary flights in June & July 2024

Find cheap flight options from St. Louis to Calgary specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,117,830 searches. Prices were last updated on June 12, 2024.
Listed are some of the best fares we've found on flights departing from St. Louis to Calgary in 2024. Check back soon for alternative fares.
Thu 7/1112:15 pmSTL - YYC
2 stops9h 25mMultiple Airlines
Tue 7/1611:00 amYYC - STL
1 stop21h 25mMultiple Airlines
Deal found 6/11$286
Tue 6/257:29 pmSTL - YYC
1 stop17h 27mMultiple Airlines
Thu 7/411:00 amYYC - STL
1 stop8h 02mMultiple Airlines
Deal found 6/10$305
Thu 7/118:57 pmSTL - YYC
1 stop20h 50mMultiple Airlines
Wed 7/1712:30 amYYC - STL
1 stop7h 32mMultiple Airlines
Deal found 6/11$349
Thu 7/1112:15 pmSTL - YYC
2 stops9h 25mMultiple Airlines
Sat 7/1311:30 pmYYC - STL
2 stops17h 19mMultiple Airlines
Deal found 6/11$351
Wed 7/1012:23 pmSTL - YYC
1 stop10h 39mMultiple Airlines
Sat 7/1311:30 pmYYC - STL
2 stops17h 19mMultiple Airlines
Deal found 6/11$357
Mon 7/82:35 pmSTL - YYC
1 stop9h 29mDelta
Wed 7/176:45 amYYC - STL
1 stop9h 01mDelta
Deal found 6/11$358
Tue 6/183:23 pmSTL - YYC
2 stops21h 33mMultiple Airlines
Tue 6/259:25 amYYC - STL
2 stops26h 40mMultiple Airlines
Deal found 6/11$359
Wed 7/1012:23 pmSTL - YYC
1 stop10h 39mMultiple Airlines
Thu 7/1811:35 pmYYC - STL
2 stops13h 54mMultiple Airlines
Deal found 6/11$360
Fri 7/52:00 pmSTL - YYC
2 stops31h 40mMultiple Airlines
Sat 7/1311:30 pmYYC - STL
2 stops17h 19mMultiple Airlines
Deal found 6/11$361

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 3,117,830 searches. Data last updated June 12, 2024.
Listed are some of the best fares we've found on flights departing from St. Louis to Calgary in 2024. Check back soon for alternative fares.
Thu 7/1112:15 pmSTL - YYC
2 stops9h 25mMultiple Airlines
Tue 7/1611:00 amYYC - STL
1 stop21h 25mMultiple Airlines
Deal found 6/11$286
Tue 6/257:29 pmSTL - YYC
1 stop17h 27mMultiple Airlines
Thu 7/411:00 amYYC - STL
1 stop8h 02mMultiple Airlines
Deal found 6/10$305
Sun 8/257:30 amSTL - YYC
3 stops16h 25mMultiple Airlines
Sat 8/3112:30 pmYYC - STL
2 stops22h 00mMultiple Airlines
Deal found 6/11$336
Mon 9/167:57 amSTL - YYC
3 stops17h 45mMultiple Airlines
Sat 9/2112:30 pmYYC - STL
2 stops22h 15mMultiple Airlines
Deal found 6/11$339
Mon 8/267:29 pmSTL - YYC
1 stop17h 27mMultiple Airlines
Sat 8/319:45 amYYC - STL
1 stop10h 43mMultiple Airlines
Deal found 6/10$341
Fri 9/2012:00 pmSTL - YYC
2 stops9h 45mMultiple Airlines
Thu 9/2612:30 pmYYC - STL
2 stops30h 25mMultiple Airlines
Deal found 6/10$343
Thu 7/118:57 pmSTL - YYC
1 stop20h 50mMultiple Airlines
Wed 7/1712:30 amYYC - STL
1 stop7h 32mMultiple Airlines
Deal found 6/11$349
Thu 7/1112:15 pmSTL - YYC
2 stops9h 25mMultiple Airlines
Sat 7/1311:30 pmYYC - STL
2 stops17h 19mMultiple Airlines
Deal found 6/11$351
Sat 8/244:05 pmSTL - YYC
1 stop7h 40mAir Canada
Sat 8/316:00 amYYC - STL
1 stop8h 21mAir Canada
Deal found 6/10$355

St. Louis to Calgary flights leaving soon

Find last-minute flight options from St. Louis to Calgary for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,117,830 searches. Data last updated June 12, 2024.
Have a look at some of the flights available from St. Louis to Calgary departing last-minute. Tip: verify your flight details before completing your reservation.
Tue 6/183:23 pmSTL - YYC
2 stops21h 33mMultiple Airlines
Tue 6/259:25 amYYC - STL
2 stops26h 40mMultiple Airlines
Deal found 6/11$359
Tue 6/183:23 pmSTL - YYC
2 stops21h 33mMultiple Airlines
Tue 6/259:25 amYYC - STL
3 stops26h 40mMultiple Airlines
Deal found 6/11$379
Tue 6/183:23 pmSTL - YYC
2 stops21h 33mMultiple Airlines
Tue 6/257:30 pmYYC - STL
1 stop16h 35mMultiple Airlines
Deal found 6/11$407
Tue 6/187:29 pmSTL - YYC
1 stop17h 27mMultiple Airlines
Tue 6/257:30 pmYYC - STL
1 stop14h 12mMultiple Airlines
Deal found 6/11$432
Tue 6/183:23 pmSTL - YYC
3 stops31h 36mMultiple Airlines
Tue 6/259:25 amYYC - STL
3 stops26h 40mMultiple Airlines
Deal found 6/11$439
Tue 6/183:23 pmSTL - YYC
2 stops10h 20mWestJet
Tue 6/2512:35 pmYYC - STL
2 stops8h 20mWestJet
Deal found 6/11$544
Tue 6/183:23 pmSTL - YYC
2 stops21h 33mMultiple Airlines
Mon 6/2412:30 amYYC - STL
1 stop10h 31mMultiple Airlines
Deal found 6/11$570
Tue 6/187:29 pmSTL - YYC
1 stop17h 27mMultiple Airlines
Mon 6/2412:30 amYYC - STL
1 stop10h 31mMultiple Airlines
Deal found 6/11$591
Tue 6/1810:15 amSTL - YYC
2 stops15h 28mWestJet
Mon 6/241:00 amYYC - STL
2 stops18h 54mWestJet
Deal found 6/11$684

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 3,117,830 searches. Data last updated June 12, 2024.
Users traveling one-way from St. Louis to Calgary can select one of these great deals. For those needing a return trip from St. Louis, there is a search form available above.
Thu 7/118:57 pmSTL - YYC
1 stop20h 50mMultiple Airlines
Deal found 6/11$121
Thu 7/1112:15 pmSTL - YYC
2 stops9h 25mMultiple Airlines
Deal found 6/11$147
Thu 7/1112:15 pmSTL - YYC
3 stops23h 56mMultiple Airlines
Deal found 6/11$182
Tue 7/162:35 pmSTL - YYC
1 stop9h 29mDelta
Deal found 6/11$192
Tue 7/166:06 amSTL - YYC
2 stops11h 26mDelta
Deal found 6/11$196

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 3,117,830 searches. Data last updated June 12, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$285 - $507

Route

Depart

Return

Price

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Wed 7/24

2 stops9h 25m

Calgary

Tue 7/30

1 stop21h 25m

$285

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Thu 7/11

2 stops9h 25m

Calgary

Tue 7/16

1 stop21h 25m

$286

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Wed 7/24

2 stops9h 25m

Calgary

Tue 7/30

1 stop21h 25m

$287

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Wed 7/10

1 stop10h 39m

Calgary

Tue 7/16

1 stop21h 25m

$297

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sat 8/24

1 stop7h 40m

Calgary

Sat 8/31

1 stop8h 21m

$355

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 7/8

1 stop9h 29m

Calgary

Wed 7/17

1 stop9h 01m

$358

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sat 7/13

1 stop7h 25m

Calgary

Tue 7/16

1 stop14h 46m

$359

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 7/9

1 stop27h 24m

Calgary

Tue 7/16

1 stop14h 22m

$414

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 7/8

1 stop6h 12m

Calgary

Tue 7/16

1 stop14h 46m

$507

Flights are sorted by cheapest first

Deals found on 6/11

How far ahead should I 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 May 31, 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

What is the cheapest day 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 June 9, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Calgary flight should consider departing on Monday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from St. Louis to Calgary

Have a flexible travel schedule? Discover the best time to fly to Calgary from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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

19.4 - 62.6 °F

If weather is an important factor for your trip to Calgary, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 19.4 F).

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 June 12, 2024.
Peruse reviews from past customers who have flown with Delta, Air Canada and WestJet from St. Louis to Calgary to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,277 reviews

Boarding

8.2

Entertainment

8.0

Food

7.4

Comfort

7.9

Crew

8.6

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.0
Very good
10,277 reviews
Delta
8.0
Very good
10,277 reviews

Boarding

8.2

Entertainment

8.0

Food

7.4

Comfort

7.9

Crew

8.6

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

WestJet
7.5
Good
2,838 reviews
Delta
8.0
Very good
10,277 reviews

Boarding

8.2

Entertainment

8.0

Food

7.4

Comfort

7.9

Crew

8.6

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

United Airlines
7.4
Good
10,629 reviews
Delta
8.0
Very good
10,277 reviews

Boarding

8.2

Entertainment

8.0

Food

7.4

Comfort

7.9

Crew

8.6

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Air Canada
7.0
Good
7,079 reviews
Delta
8.0
Very good
10,277 reviews

Boarding

8.2

Entertainment

8.0

Food

7.4

Comfort

7.9

Crew

8.6

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

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 $300 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Calgary for under $300. The cheapest flight booked recently is on Multiple Airlines for just $285, but on average you can expect to pay $337.

  • Are there last-minute flights available from St. Louis to Calgary for under $400?

    There are currently 11+ open flights from St. Louis to Calgary within the next 7 days for less than $400.

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

    Cheapflights users have booked flights from St. Louis to Calgary round-trip from $355. Another airline that can offer you cheap pricing is Delta. Users have found that Air Canada is 39% cheaper than the other options available to this destination.

  • 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 6/11.

  • What are the most popular airlines that fly from St. Louis to Calgary?

    Before booking your flight from St. Louis to Calgary check out the most popular airlines for this route: American Airlines, Air Canada or Delta.

  • What is the cheapest month to book a flight from St. Louis to Calgary?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Calgary (average of $310). Flying from St. Louis to Calgary in March is currently the most expensive (average of $438). 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.

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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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Top 5 airlines flying from St. Louis to Calgary

Discover the top 5 airlines 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 3,117,830 searches. Data last updated June 12, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$189Average$580FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$307Average$650FlexibilityNo cancel feeOn-time71%
DeltaCheapest$378Average$558FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$384Average$662FlexibilityNo cancel feeOn-time69%
WestJetCheapest$486Average$599FlexibilityNo cancel feeOn-time60%
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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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