Find flights
When to book
Airlines
FAQs

Cheap flights from Calgary to St. Louis from C$ 233

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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — STL
26 Nov — 3 Dec1
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 Thursday or Sunday and return on a Thursday

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 645,034 searches. Data last updated 21 November 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 17/1

6:35 a.m.-8:56 p.m.

2 stops13h 21m

Lambert-St Louis

Mon 20/1

3:35 p.m.-8:53 p.m.

1 stop6h 18m

C$ 419

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 10/1

6:15 a.m.-3:06 p.m.

1 stop7h 51m

Lambert-St Louis

Mon 13/1

3:50 p.m.-11:18 p.m.

1 stop8h 28m

C$ 428

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 17/1

6:29 a.m.-7:30 p.m.

1 stop12h 01m

Lambert-St Louis

Mon 20/1

1:40 p.m.-9:57 p.m.

1 stop9h 17m

C$ 439

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 17/1

9:45 p.m.-9:54 a.m.

2 stops11h 09m

Lambert-St Louis

Mon 20/1

10:22 a.m.-7:08 p.m.

2 stops9h 46m

C$ 456

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 10/1

6:29 a.m.-7:30 p.m.

1 stop12h 01m

Lambert-St Louis

Mon 13/1

3:41 p.m.-9:57 p.m.

1 stop7h 16m

C$ 481

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Wed 4/12

6:15 a.m.-3:06 p.m.

1 stop7h 51m

C$ 233

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Wed 4/12

12:30 p.m.-9:55 p.m.

2 stops8h 25m

C$ 285

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Wed 4/12

6:40 a.m.-3:21 p.m.

3 stops31h 41m

C$ 387

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Mon 23/12

12:45 p.m.-10:45 a.m.

1 stop21h 00m

C$ 408

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Thu 2/1

1:30 p.m.-12:29 p.m.

3 stops21h 59m

C$ 1,072

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/11

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 21 November 2024.

Round-trip from

C$ 419

One-way from

C$ 233

Popular in

November

Cheapest in

March
Delta
  • Delta
  • 17/1-20/1
  • 3 total stops
  • 19h 39m total
  • Calgary to St. Louis
Search Deals
Air Canada
  • Air Canada
  • 4/12
  • 1 total stop
  • 7h 51m total
  • Calgary to St. Louis
Search Deals
High demand for flights, 25% potential price rise
Search Deals
Best time to find cheap flights, 28% 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 21 November 2024.

Thu 21/1112:45 p.m.YYC - STL
1 stop19h 09mAmerican Airlines
Sun 24/115:17 a.m.STL - YYC
1 stop7h 28mAmerican Airlines
Deal found 20/11C$ 688
Thu 21/116:40 a.m.YYC - STL
2 stops16h 01mWestJet
Sun 24/1110:21 a.m.STL - YYC
1 stop28h 29mWestJet
Deal found 20/11C$ 797
Wed 20/1112:50 a.m.YYC - STL
1 stop13h 16mAir Canada
Sun 24/116:30 a.m.STL - YYC
1 stop6h 09mAir Canada
Deal found 20/11C$ 1,606

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 15 November 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.

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$ 349). 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 21 November 2024.

It’s typically best to fly out from Calgary to St. Louis in the afternoon. Doing so could potentially save you 32% on the flight price compared to flying in the evening, 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 21 November 2024.
Delta
8.0
Very good
8,758 reviews
Check prices

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,758 reviews
Delta
8.0
Very good
8,758 reviews
Check prices

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
9,172 reviews
Delta
8.0
Very good
8,758 reviews
Check prices

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

WestJet
7.3
Good
2,810 reviews
Delta
8.0
Very good
8,758 reviews
Check prices

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,758 reviews
Check prices

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air Canada
7.0
Good
8,238 reviews
Delta
8.0
Very good
8,758 reviews
Check prices

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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$ 419. Additional round-trip tickets that might be worth considering are offered by Air Canada and WestJet, with the lowest prices starting at C$ 428 and C$ 456, respectively. Delta is priced at 34% 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$ 233 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on WestJet and American Airlines, with prices starting from C$ 285 and C$ 408, respectively.

  • 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.

  • 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$ 349). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Calgary to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
Calgary to Kansas City flights
Edmonton to St. Louis flights
Edmonton to Kansas City flights
Edmonton to Columbia flights
Calgary to Columbia flights

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 645,034 searches. Data last updated 21 November 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 317AverageC$ 571FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 373AverageC$ 611FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 382AverageC$ 476FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 445AverageC$ 687FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Calgary to St. Louis. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Calgary to St. Louis for you. Better yet — we are completely free to use.

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.

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

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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines