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Cheap flights from St. Louis (STL) to Calgary (YYC) from $167

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 7/16. 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 15 — Jun 221
From?
To?
Sat 6/15
Sat 6/22
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 10, 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 3,020,828 searches. Prices were last updated on June 10, 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.
Tue 6/257:29 pmSTL - YYC
1 stop17h 27mMultiple Airlines
Thu 7/411:00 amYYC - STL
1 stop8h 02mMultiple Airlines
Deal found 6/9$257
Mon 6/2410:00 pmSTL - YYC
2 stops19h 47mMultiple Airlines
Thu 7/411:00 amYYC - STL
1 stop8h 02mMultiple Airlines
Deal found 6/9$305
Mon 6/248:22 pmSTL - YYC
1 stop21h 25mMultiple Airlines
Thu 7/411:00 amYYC - STL
1 stop8h 02mMultiple Airlines
Deal found 6/9$310
Thu 7/1112:15 pmSTL - YYC
2 stops9h 25mMultiple Airlines
Tue 7/1611:00 amYYC - STL
1 stop21h 25mMultiple Airlines
Deal found 6/10$311
Thu 6/2712:15 pmSTL - YYC
2 stops9h 25mMultiple Airlines
Thu 7/411:00 amYYC - STL
1 stop8h 02mMultiple Airlines
Deal found 6/9$321
Wed 6/267:29 pmSTL - YYC
1 stop17h 27mMultiple Airlines
Thu 7/411:00 amYYC - STL
1 stop8h 02mMultiple Airlines
Deal found 6/9$330
Fri 6/283:07 pmSTL - YYC
1 stop7h 55mMultiple Airlines
Thu 7/411:00 amYYC - STL
1 stop8h 02mMultiple Airlines
Deal found 6/9$347
Tue 7/912:15 pmSTL - YYC
2 stops9h 25mMultiple Airlines
Tue 7/167:30 pmYYC - STL
1 stop18h 36mMultiple Airlines
Deal found 6/9$357
Thu 7/112:35 pmSTL - YYC
1 stop9h 29mDelta
Tue 7/166:45 amYYC - STL
1 stop9h 21mDelta
Deal found 6/10$358

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 3,020,828 searches. Data last updated June 10, 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.
Tue 6/257:29 pmSTL - YYC
1 stop17h 27mMultiple Airlines
Thu 7/411:00 amYYC - STL
1 stop8h 02mMultiple Airlines
Deal found 6/9$257
Mon 6/2410:00 pmSTL - YYC
2 stops19h 47mMultiple Airlines
Thu 7/411:00 amYYC - STL
1 stop8h 02mMultiple Airlines
Deal found 6/9$305
Thu 8/812:15 pmSTL - YYC
2 stops9h 25mMultiple Airlines
Tue 8/207:30 pmYYC - STL
1 stop13h 48mMultiple Airlines
Deal found 6/9$306
Mon 6/248:22 pmSTL - YYC
1 stop21h 25mMultiple Airlines
Thu 7/411:00 amYYC - STL
1 stop8h 02mMultiple Airlines
Deal found 6/9$310
Thu 7/1112:15 pmSTL - YYC
2 stops9h 25mMultiple Airlines
Tue 7/1611:00 amYYC - STL
1 stop21h 25mMultiple Airlines
Deal found 6/10$311
Thu 6/2712:15 pmSTL - YYC
2 stops9h 25mMultiple Airlines
Thu 7/411:00 amYYC - STL
1 stop8h 02mMultiple Airlines
Deal found 6/9$321
Tue 8/610:32 pmSTL - YYC
1 stop14h 24mMultiple Airlines
Tue 8/137:30 pmYYC - STL
1 stop13h 48mMultiple Airlines
Deal found 6/9$326
Wed 6/267:29 pmSTL - YYC
1 stop17h 27mMultiple Airlines
Thu 7/411:00 amYYC - STL
1 stop8h 02mMultiple Airlines
Deal found 6/9$330
Tue 8/612:15 pmSTL - YYC
2 stops9h 25mMultiple Airlines
Tue 8/137:30 pmYYC - STL
1 stop13h 48mMultiple Airlines
Deal found 6/9$334

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 3,020,828 searches. Data last updated June 10, 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.
Mon 6/2410:00 pmSTL - YYC
2 stops19h 47mMultiple Airlines
Thu 7/411:00 amYYC - STL
1 stop8h 02mMultiple Airlines
Deal found 6/9$305
Mon 6/248:22 pmSTL - YYC
1 stop21h 25mMultiple Airlines
Thu 7/411:00 amYYC - STL
1 stop8h 02mMultiple Airlines
Deal found 6/9$310
Sun 6/237:29 pmSTL - YYC
1 stop18h 51mMultiple Airlines
Thu 7/411:00 amYYC - STL
1 stop8h 02mMultiple Airlines
Deal found 6/9$375
Mon 6/242:29 pmSTL - YYC
1 stop9h 33mDelta
Wed 7/106:45 amYYC - STL
1 stop9h 01mDelta
Deal found 6/9$452
Sun 6/237:30 amSTL - YYC
3 stops24h 53mMultiple Airlines
Thu 7/411:00 amYYC - STL
2 stops21h 29mMultiple Airlines
Deal found 6/9$462
Mon 6/245:31 pmSTL - YYC
1 stop6h 12mUnited Airlines
Sun 6/306:25 amYYC - STL
1 stop14h 46mUnited Airlines
Deal found 6/10$463
Mon 6/242:29 pmSTL - YYC
1 stop9h 33mDelta
Wed 7/1011:30 amYYC - STL
2 stops9h 37mDelta
Deal found 6/9$466
Mon 6/245:31 pmSTL - YYC
1 stop6h 12mAir Canada
Fri 7/56:25 amYYC - STL
1 stop14h 46mAir Canada
Deal found 6/9$477
Sun 6/237:30 amSTL - YYC
3 stops24h 53mMultiple Airlines
Thu 7/48:00 pmYYC - STL
3 stops15h 50mMultiple Airlines
Deal found 6/9$484

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 3,020,828 searches. Data last updated June 10, 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.
Tue 7/165:22 amSTL - YYC
1 stop7h 22mAmerican Airlines
Deal found 6/10$167
Tue 7/166:06 amSTL - YYC
2 stops11h 26mWestJet
Deal found 6/10$204
Sat 7/2710:09 amSTL - YYC
2 stops13h 55mDelta
Deal found 6/9$207
Sat 7/276:19 pmSTL - YYC
3 stops41h 38mMultiple Airlines
Deal found 6/9$251
Sat 7/276:06 amSTL - YYC
1 stop8h 34mDelta
Deal found 6/9$279

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 3,020,828 searches. Data last updated June 10, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$257 - $492

Route

Depart

Return

Price

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 6/25

1 stop17h 27m

Calgary

Thu 7/4

1 stop8h 02m

$257

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 6/24

2 stops19h 47m

Calgary

Thu 7/4

1 stop8h 02m

$305

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 7/22

2 stops9h 25m

Calgary

Tue 7/23

1 stop21h 25m

$308

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

Thu 7/11

1 stop9h 29m

Calgary

Tue 7/16

1 stop9h 21m

$358

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sun 7/14

1 stop9h 29m

Calgary

Tue 7/23

2 stops13h 07m

$368

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 7/9

1 stop27h 24m

Calgary

Wed 7/17

1 stop14h 22m

$415

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 6/24

1 stop6h 12m

Calgary

Sun 6/30

1 stop14h 46m

$463

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Fri 8/30

1 stop16h 04m

Calgary

Sat 8/31

1 stop18h 42m

$492

Flights are sorted by cheapest first

Deals found on 6/9

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 10, 2024.
Peruse reviews from past customers who have flown with Delta, Air Canada and Alaska Airlines 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
9,267 reviews

Comfort

7.9

Crew

8.6

Entertainment

7.3

Overall

8.1

Food

7.3

Boarding

8.2

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
9,267 reviews
Alaska Airlines
8.1
Very good
9,267 reviews

Comfort

7.9

Crew

8.6

Entertainment

7.3

Overall

8.1

Food

7.3

Boarding

8.2

Reviews

1 / 10

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

Delta
8.0
Very good
10,295 reviews
Alaska Airlines
8.1
Very good
9,267 reviews

Comfort

7.9

Crew

8.6

Entertainment

7.3

Overall

8.1

Food

7.3

Boarding

8.2

Reviews

1 / 10

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

WestJet
7.5
Good
2,842 reviews
Alaska Airlines
8.1
Very good
9,267 reviews

Comfort

7.9

Crew

8.6

Entertainment

7.3

Overall

8.1

Food

7.3

Boarding

8.2

Reviews

1 / 10

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

United Airlines
7.4
Good
10,647 reviews
Alaska Airlines
8.1
Very good
9,267 reviews

Comfort

7.9

Crew

8.6

Entertainment

7.3

Overall

8.1

Food

7.3

Boarding

8.2

Reviews

1 / 10

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

American Airlines
7.3
Good
14,138 reviews
Alaska Airlines
8.1
Very good
9,267 reviews

Comfort

7.9

Crew

8.6

Entertainment

7.3

Overall

8.1

Food

7.3

Boarding

8.2

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 $257, but on average you can expect to pay $340.

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

    There are currently 20+ 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 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 WestJet and Delta, with prices starting from $204 and $207, 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 6/10.

  • 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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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 3,020,828 searches. Data last updated June 10, 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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