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Cheap flights from Calgary to St. Louis from C$ 270

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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — STL
27 Oct — 3 Nov1
1 adult

The best prices from Calgary to Lambert-St Louis are usually found in March or May, booked 82 days in advance, depart on a Sunday or Thursday and return on a Thursday

Cheap flight deals from Calgary to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Calgary (YYC) to St. Louis (STL). 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 22 October 2024.

Round-trip from

C$ 379

One-way from

C$ 270

Popular in

January

Cheapest in

March
Delta
  • Delta
  • 12/12-15/12
  • 3 total stops
  • 15h 01m total
  • Calgary to St. Louis
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3/11
  • 3/11
  • 2 total stops
  • 31h 00m total
  • Calgary to St. Louis
Search Deals
High demand for flights, 25% potential price rise
Search Deals
Best time to find cheap flights, 26% potential price drop
Search Deals

Find flight deals from Calgary to St. Louis

Cheapest flights from Calgary to St. Louis
Explore the most affordable flight options available from Calgary to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 October 2024.

Thu 12/127:30 a.m.YYC - STL
1 stop6h 06mDelta
Sun 15/122:20 p.m.STL - YYC
1 stop9h 56mDelta
Deal found 21/10C$ 379
Tue 26/119:45 p.m.YYC - STL
2 stops19h 21mWestJet
Sat 30/116:00 a.m.STL - YYC
2 stops16h 46mWestJet
Deal found 21/10C$ 452
Sun 3/116:58 p.m.YYC - STL
1 stop17h 29mAlaska Airlines
Tue 12/117:00 a.m.STL - YYC
1 stop28h 43mAlaska Airlines
Deal found 21/10C$ 608
Wed 11/1212:50 a.m.YYC - STL
1 stop13h 16mAir Canada
Sun 15/128:30 a.m.STL - YYC
1 stop14h 11mAir Canada
Deal found 21/10C$ 795
Sun 3/112:35 p.m.YYC - STL
3 stops21h 55mMultiple Airlines
Tue 12/115:29 p.m.STL - YYC
3 stops29h 34mMultiple Airlines
Deal found 21/10C$ 816
Fri 8/116:29 a.m.YYC - STL
1 stop9h 08mAmerican Airlines
Thu 14/1112:52 p.m.STL - YYC
1 stop9h 59mAmerican Airlines
Deal found 22/10C$ 1,378

Find flights from Calgary to St. Louis within your budget

Customize your flight search to find flights from Calgary to St. Louis 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 522,144 searches. Data last updated 22 October 2024.

Fly from

Any airport

Fly to

Any airport

Budget

C$ 379 - C$ 1,378

Route

Depart

Return

Price

CalgaryLambert-St Louis

YYC - STL

YYCSTL

Calgary

Thu 12/12

1 stop6h 06m

Lambert-St Louis

Sun 15/12

2 stops8h 55m

C$ 379

CalgaryLambert-St Louis

YYC - STL

YYCSTL

Calgary

Tue 26/11

2 stops19h 21m

Lambert-St Louis

Sat 30/11

2 stops16h 46m

C$ 452

CalgaryLambert-St Louis

YYC - STL

YYCSTL

Calgary

Thu 9/1

1 stop13h 16m

Lambert-St Louis

Wed 22/1

1 stop6h 05m

C$ 482

CalgaryLambert-St Louis

YYC - STL

YYCSTL

Calgary

Sun 3/11

1 stop17h 29m

Lambert-St Louis

Tue 12/11

1 stop28h 43m

C$ 608

CalgaryLambert-St Louis

YYC - STL

YYCSTL

Calgary

Wed 11/12

1 stop13h 16m

Lambert-St Louis

Sun 15/12

1 stop14h 11m

C$ 795

CalgaryLambert-St Louis

YYC - STL

YYCSTL

Calgary

Fri 8/11

1 stop9h 08m

Lambert-St Louis

Thu 14/11

1 stop9h 59m

C$ 1,378

Flights are sorted by cheapest first

Deals found on 21/10

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

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Calgary 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.

Travel insights for flights from Calgary to St. Louis

Get recent, data-driven insights about flights from Calgary to St. Louis including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Calgary to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from Calgary to St. Louis. Price data was last updated on 18 October 2024.

The best time to book flights from Calgary to St. Louis is 82 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Find deals

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

Currently, January is the cheapest month in which you can book a flight from Calgary to St. Louis (average of C$ 365). Flying from Calgary to St. Louis in September is currently the most expensive (average of C$ 491). 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.

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

Find hourly flight availability from Calgary to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 October 2024.

It’s typically best to fly out from Calgary to St. Louis in the afternoon. Doing so could potentially save you 19% on the flight price compared to flying at noon, which is usually more expensive.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 56.0 - 119.0 mm per month. May is typically the wettest month, when rainfall can reach 119.0 mm. February is typically the driest time to visit St. Louis when rainfall is around 56.0 mm.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, 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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated 22 October 2024.
Alaska Airlines
8.0
Very good
9,416 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.2

Entertainment

7.1

Crew

8.6

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Alaska Airlines
8.0
Very good
9,416 reviews
Alaska Airlines
8.0
Very good
9,416 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.2

Entertainment

7.1

Crew

8.6

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Delta
8.0
Very good
8,884 reviews
Alaska Airlines
8.0
Very good
9,416 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.2

Entertainment

7.1

Crew

8.6

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

United Airlines
7.4
Good
9,285 reviews
Alaska Airlines
8.0
Very good
9,416 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.2

Entertainment

7.1

Crew

8.6

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

WestJet
7.3
Good
2,802 reviews
Alaska Airlines
8.0
Very good
9,416 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.2

Entertainment

7.1

Crew

8.6

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,416 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.2

Entertainment

7.1

Crew

8.6

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Related info for your journey

Find useful and relevant information for your journey from Calgary to St. Louis. 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 Calgary to St. Louis for under C$ 400 on Cheapflights?

    Yes, there are multiple flights from Calgary to St. Louis for under C$ 400. The cheapest flight booked recently is on Delta for just C$ 379, but on average you can expect to pay C$ 681.

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

    Flying on Delta is currently your cheapest option to St. Louis, with prices starting at C$ 379. Additional round-trip tickets that might be worth considering are offered by WestJet and Alaska Airlines, with the lowest prices starting at C$ 452 and C$ 608, respectively. Delta is priced at 38% lower than the current average price of a flight leaving 3 months from now.

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

    C$ 290 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on American Airlines and WestJet, with prices starting from C$ 299 and C$ 314, respectively.

  • What does YYC to STL mean?

    YYC stands for Calgary Airport, while STL stands for Lambert-St Louis Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

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

    The amount of baggage you can bring on your Calgary to St. Louis 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 Calgary to St. Louis with specific airlines?

    Yes, Cheapflights allows you to browse and filter Calgary to St. Louis 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 Calgary to St. Louis that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Calgary to St. Louis 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 Calgary to St. Louis that allow pets onboard?

    Many airlines flying from Calgary to St. Louis 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 Calgary to St. Louis?

    Yes, you can often find last-minute deals on Calgary to St. Louis 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 Calgary to St. Louis flight deals updated?

    The Calgary to St. Louis flight deals you see on this page were last updated on 22/10.

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

    Currently, January is the cheapest month in which you can book a flight from Calgary to St. Louis (average of C$ 365). Flying from Calgary to St. Louis in September is currently the most expensive (average of C$ 491). 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.

See more FAQs

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Top 4 airlines flying from Calgary to St. Louis

Discover the top 4 airlines that operate flights from Calgary to St. Louis. 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 522,144 searches. Data last updated 22 October 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 355AverageC$ 563FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 369AverageC$ 597FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 415AverageC$ 474FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 451AverageC$ 552FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Calgary to St. Louis?

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Why should you use Cheapflights to find cheap flight tickets from Calgary to St. Louis?

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

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

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Of course! You can now track prices for flights from Calgary to St. Louis 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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