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Cheap flights from St. Louis (STL) to Calgary (YYC) from $142

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 7/6. 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. 11 — jun. 181
From?
To?
mar. 6/11
mar. 6/18
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 junio 6, 2024.

Popular in

July

Cheapest in

March

Round-trip from

$309

One-way from

$167
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 11% 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 3,050,429 searches. Prices were last updated on junio 6, 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.
mié. 7/1012:15 pmSTL - YYC
2 stops9h 25mMultiple Airlines
mar. 7/1611:00 amYYC - STL
1 stop21h 25mMultiple Airlines
Deal found 6/5$301
mié. 7/1012:15 pmSTL - YYC
2 stops9h 25mMultiple Airlines
mar. 7/1611:00 amYYC - STL
1 stop21h 25mMultiple Airlines
Deal found 6/6$302
jue. 7/257:45 amSTL - YYC
2 stops13h 25mMultiple Airlines
mié. 7/318:00 amYYC - STL
1 stop12h 31mMultiple Airlines
Deal found 6/5$366
vie. 7/125:19 pmSTL - YYC
1 stop24h 28mMultiple Airlines
mar. 7/1612:30 amYYC - STL
1 stop7h 32mMultiple Airlines
Deal found 6/5$378
mié. 7/1012:15 pmSTL - YYC
2 stops9h 25mMultiple Airlines
mar. 7/164:30 pmYYC - STL
2 stops21h 36mMultiple Airlines
Deal found 6/6$381
vie. 7/125:25 pmSTL - YYC
2 stops14h 58mMultiple Airlines
mié. 7/178:00 amYYC - STL
1 stop12h 31mMultiple Airlines
Deal found 6/5$382
dom. 7/142:35 pmSTL - YYC
1 stop9h 29mDelta
mar. 7/238:00 amYYC - STL
1 stop8h 34mDelta
Deal found 6/5$386
mié. 7/1012:15 pmSTL - YYC
2 stops9h 25mMultiple Airlines
mar. 7/169:30 pmYYC - STL
3 stops16h 20mMultiple Airlines
Deal found 6/6$399
jue. 7/2512:15 pmSTL - YYC
2 stops9h 25mMultiple Airlines
dom. 7/289:30 pmYYC - STL
2 stops17h 39mMultiple Airlines
Deal found 6/6$400

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 3,050,429 searches. Data last updated junio 6, 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.
mar. 8/610:59 pmSTL - YYC
1 stop18h 48mMultiple Airlines
mar. 8/1311:00 amYYC - STL
1 stop21h 37mMultiple Airlines
Deal found 6/5$240
mié. 7/1012:15 pmSTL - YYC
2 stops9h 25mMultiple Airlines
mar. 7/1611:00 amYYC - STL
1 stop21h 25mMultiple Airlines
Deal found 6/5$301
mié. 7/1012:15 pmSTL - YYC
2 stops9h 25mMultiple Airlines
mar. 7/1611:00 amYYC - STL
1 stop21h 25mMultiple Airlines
Deal found 6/6$302
jue. 8/812:15 pmSTL - YYC
2 stops9h 25mMultiple Airlines
mar. 8/207:30 pmYYC - STL
1 stop13h 48mMultiple Airlines
Deal found 6/6$306
vie. 8/3012:15 pmSTL - YYC
2 stops9h 25mMultiple Airlines
mar. 9/37:30 pmYYC - STL
1 stop13h 48mMultiple Airlines
Deal found 6/6$337
mié. 8/712:15 pmSTL - YYC
2 stops33h 25mMultiple Airlines
mar. 8/207:30 pmYYC - STL
1 stop16h 28mMultiple Airlines
Deal found 6/6$349
mar. 8/2710:32 pmSTL - YYC
1 stop19h 15mMultiple Airlines
vie. 8/302:50 pmYYC - STL
1 stop7h 38mMultiple Airlines
Deal found 6/6$351
mar. 8/610:11 amSTL - YYC
2 stops28h 11mMultiple Airlines
mar. 8/137:30 pmYYC - STL
1 stop16h 28mMultiple Airlines
Deal found 6/5$355
mar. 8/610:11 amSTL - YYC
3 stops30h 46mMultiple Airlines
mar. 8/137:30 pmYYC - STL
1 stop16h 28mMultiple Airlines
Deal found 6/5$360

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 3,050,429 searches. Data last updated junio 6, 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.
jue. 6/137:45 amSTL - YYC
3 stops14h 51mMultiple Airlines
dom. 6/167:30 pmYYC - STL
1 stop17h 21mMultiple Airlines
Deal found 6/4$437
jue. 6/133:32 pmSTL - YYC
2 stops22h 48mMultiple Airlines
dom. 6/167:30 pmYYC - STL
1 stop17h 21mMultiple Airlines
Deal found 6/4$465
jue. 6/137:45 amSTL - YYC
3 stops14h 51mMultiple Airlines
dom. 6/1610:30 amYYC - STL
2 stops26h 21mMultiple Airlines
Deal found 6/4$472
jue. 6/137:29 pmSTL - YYC
1 stop18h 51mMultiple Airlines
dom. 6/167:30 pmYYC - STL
1 stop17h 21mMultiple Airlines
Deal found 6/4$571
jue. 6/135:27 amSTL - YYC
1 stop7h 12mAmerican Airlines
sáb. 6/156:45 amYYC - STL
1 stop12h 31mAmerican Airlines
Deal found 6/5$601
jue. 6/134:45 pmSTL - YYC
1 stop5h 58mAir Canada
sáb. 6/1512:10 amYYC - STL
1 stop14h 11mAir Canada
Deal found 6/4$687
jue. 6/138:12 pmSTL - YYC
1 stop26h 32mMultiple Airlines
sáb. 6/1512:30 amYYC - STL
2 stops11h 20mMultiple Airlines
Deal found 6/4$695
jue. 6/132:29 pmSTL - YYC
1 stop9h 33mDelta
sáb. 6/1510:00 amYYC - STL
2 stops10h 55mDelta
Deal found 6/6$709
jue. 6/1310:15 amSTL - YYC
2 stops13h 47mDelta
sáb. 6/1512:24 pmYYC - STL
2 stops10h 19mDelta
Deal found 6/6$719

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 3,050,429 searches. Data last updated junio 6, 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.
sáb. 7/68:02 pmSTL - YYC
1 stop21h 45mMultiple Airlines
Deal found 6/6$142
dom. 7/76:30 pmSTL - YYC
2 stops25h 11mMultiple Airlines
Deal found 6/4$144
lun. 7/157:51 pmSTL - YYC
1 stop21h 56mMultiple Airlines
Deal found 6/5$146
lun. 7/1512:15 pmSTL - YYC
2 stops9h 25mMultiple Airlines
Deal found 6/5$152
sáb. 7/612:15 pmSTL - YYC
2 stops9h 25mMultiple Airlines
Deal found 6/4$158
lun. 7/225:00 pmSTL - YYC
2 stops28h 40mMultiple Airlines
Deal found 6/5$159
mar. 7/2310:32 pmSTL - YYC
1 stop24h 30mMultiple Airlines
Deal found 6/5$162
mar. 7/165:22 amSTL - YYC
1 stop17h 28mAmerican Airlines
Deal found 6/5$167
sáb. 8/314:05 pmSTL - YYC
1 stop7h 40mAir Canada
Deal found 6/6$168

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 3,050,429 searches. Data last updated junio 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$240 - $485

Route

Depart

Return

Price

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

mar. 8/6

1 stop18h 48m

Calgary

mar. 8/13

1 stop21h 37m

$240

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

mié. 7/10

2 stops9h 25m

Calgary

mar. 7/16

1 stop21h 25m

$301

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

mié. 7/10

2 stops9h 25m

Calgary

mar. 7/16

1 stop21h 25m

$302

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

jue. 8/8

2 stops9h 25m

Calgary

mar. 8/20

1 stop13h 48m

$306

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

mié. 8/7

1 stop7h 40m

Calgary

mar. 8/20

1 stop8h 21m

$383

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

dom. 7/14

1 stop9h 29m

Calgary

mar. 7/23

1 stop8h 34m

$386

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

mar. 8/6

1 stop14h 59m

Calgary

lun. 8/12

1 stop15h 43m

$439

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

mié. 10/23

1 stop28h 39m

Calgary

lun. 10/28

1 stop16h 57m

$473

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

sáb. 7/13

2 stops29h 13m

Calgary

vie. 7/19

2 stops18h 21m

$485

Flights are sorted by cheapest first

Deals found on 6/5

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 2, 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 junio 6, 2024.
Peruse reviews from past customers who have flown with Air Canada, United Airlines and Delta 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.
Alaska Airlines
8.1
Very good
9,222 reviews

Entertainment

7.3

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Alaska Airlines
8.1
Very good
9,222 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Entertainment

7.3

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Delta
8.0
Very good
10,368 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Entertainment

7.3

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

WestJet
7.5
Good
2,856 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Entertainment

7.3

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

United Airlines
7.4
Good
10,696 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Entertainment

7.3

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

American Airlines
7.3
Good
14,227 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Entertainment

7.3

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

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 $240, but on average you can expect to pay $360.

  • Are there last-minute flights available from St. Louis to Calgary for under $500?

    There are currently 17+ open flights from St. Louis to Calgary within the next 7 days for less than $500.

  • 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 $383. Another airline that can offer you cheap pricing is Delta. Users have found that Air Canada is 35% cheaper than the other options available to this destination.

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

    $167 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Air Canada and WestJet, with prices starting from $168 and $215, 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 6/6.

  • 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 $309). 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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St. Louis to Edmonton flights
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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 3,050,429 searches. Data last updated junio 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$189Average$561FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$307Average$650FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$379Average$662FlexibilityNo cancel feeOn-time69%
DeltaCheapest$388Average$573FlexibilityNo cancel feeOn-timeN/A
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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