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Cheap flights from St. Louis to Calgary from C$ 169

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 20/8. 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
7 Jun — 14 Jun1
1 adult
Fri 7/6
Fri 14/6

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 2 June 2024.

Popular in

July

Cheapest in

March

Average price

C$ 830

Round-trip from

C$ 196
High demand for flights, 12% potential price rise
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Best time to find cheap flights, 17% potential price drop
Search Deals
Average for round-trip flights in June 2024
Search Deals
From Lambert-St Louis to Calgary
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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 C$ 812. For sooner than that we have options available in the next 3 days from C$ 1,157.

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 C$ 803 on average during March, but can be found for as low as C$ 245.

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

It’s typically best to fly out from St. Louis to Calgary in the morning. Doing so could potentially save you 41% on the flight price compared to flying at noon, which is usually more expensive.

Cheap United Airlines flights from St. Louis to Calgary

Explore cheap flight options specifically provided by United Airlines for the route between St. Louis and Calgary. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 420,726 searches. Data last updated 2 June 2024.
Check out some of the cheapest United Airlines flights we've come across from St. Louis to Calgary. Make sure to double check the flight details before booking.
Sun 14/78:55 a.m.STL - YYC
1 stop10h 18mUnited Airlines
Tue 23/76:25 a.m.YYC - STL
1 stop14h 46mUnited Airlines
Deal found 1/6C$ 745
Tue 15/105:34 p.m.STL - YYC
2 stops21h 16mUnited Airlines
Sat 19/106:25 a.m.YYC - STL
1 stop9h 05mUnited Airlines
Deal found 1/6C$ 818
Tue 15/105:34 p.m.STL - YYC
2 stops21h 16mUnited Airlines
Sat 19/106:25 a.m.YYC - STL
2 stops14h 27mUnited Airlines
Deal found 1/6C$ 834
Fri 23/85:20 p.m.STL - YYC
2 stops21h 29mUnited Airlines
Fri 30/85:05 p.m.YYC - STL
2 stops21h 44mUnited Airlines
Deal found 1/6C$ 869
Tue 17/96:15 a.m.STL - YYC
2 stops17h 26mUnited Airlines
Sun 22/95:05 p.m.YYC - STL
1 stop27h 23mUnited Airlines
Deal found 1/6C$ 884
Sun 14/76:20 a.m.STL - YYC
2 stops16h 23mUnited Airlines
Tue 23/77:15 p.m.YYC - STL
2 stops19h 25mUnited Airlines
Deal found 1/6C$ 890

Cheap Air Canada flights from St. Louis to Calgary

Explore cheap flight options specifically provided by Air Canada for the route between St. Louis and Calgary. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 420,726 searches. Data last updated 2 June 2024.
To aid your search, here are some of the cheapest Air Canada flights we've found from St. Louis to Calgary. Deals frequently update to provide users with more options.
Sat 21/99:05 a.m.STL - YYC
1 stop13h 38mAir Canada
Sat 28/96:25 a.m.YYC - STL
1 stop13h 28mAir Canada
Deal found 1/6C$ 526
Mon 23/94:05 p.m.STL - YYC
1 stop7h 39mAir Canada
Fri 27/96:25 a.m.YYC - STL
1 stop14h 50mAir Canada
Deal found 1/6C$ 527
Fri 23/81:39 p.m.STL - YYC
1 stop9h 04mAir Canada
Fri 30/86:00 a.m.YYC - STL
1 stop8h 21mAir Canada
Deal found 1/6C$ 666
Tue 9/75:30 p.m.STL - YYC
1 stop6h 12mAir Canada
Wed 17/76:25 a.m.YYC - STL
1 stop14h 46mAir Canada
Deal found 2/6C$ 672
Fri 23/812:55 p.m.STL - YYC
1 stop10h 49mAir Canada
Thu 29/812:10 a.m.YYC - STL
1 stop14h 11mAir Canada
Deal found 1/6C$ 698
Thu 8/84:05 p.m.STL - YYC
1 stop18h 00mAir Canada
Tue 13/812:10 a.m.YYC - STL
1 stop14h 11mAir Canada
Deal found 2/6C$ 732
Tue 9/71:45 p.m.STL - YYC
1 stop5h 28mAir Canada
Tue 16/71:00 a.m.YYC - STL
1 stop13h 21mAir Canada
Deal found 2/6C$ 751
Thu 13/61:42 p.m.STL - YYC
1 stop9h 01mAir Canada
Sat 15/66:00 a.m.YYC - STL
1 stop8h 21mAir Canada
Deal found 1/6C$ 774
Thu 13/64:45 p.m.STL - YYC
1 stop5h 58mAir Canada
Fri 14/61:00 a.m.YYC - STL
1 stop13h 21mAir Canada
Deal found 1/6C$ 805

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 420,726 searches. Prices were last updated on 2 June 2024.
Scroll through some of the best deals on flights from St. Louis to Calgary in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Sat 15/64:10 p.m.STL - YYC
2 stops28h 49mMultiple Airlines
Sat 22/69:30 a.m.YYC - STL
2 stops30h 55mMultiple Airlines
Deal found 1/6C$ 600
Sat 15/64:10 p.m.STL - YYC
2 stops28h 49mMultiple Airlines
Fri 21/612:30 a.m.YYC - STL
2 stops13h 20mMultiple Airlines
Deal found 1/6C$ 602
Sat 15/64:10 p.m.STL - YYC
2 stops28h 49mMultiple Airlines
Sat 22/64:00 p.m.YYC - STL
3 stops24h 25mMultiple Airlines
Deal found 1/6C$ 606
Sat 15/611:34 a.m.STL - YYC
1 stop10h 58mMultiple Airlines
Sat 22/611:30 p.m.YYC - STL
2 stops16h 55mMultiple Airlines
Deal found 1/6C$ 634
Sat 15/611:34 a.m.STL - YYC
3 stops33h 25mMultiple Airlines
Sat 22/64:00 p.m.YYC - STL
3 stops24h 25mMultiple Airlines
Deal found 1/6C$ 635
Sat 15/611:34 a.m.STL - YYC
3 stops33h 25mMultiple Airlines
Fri 21/612:30 a.m.YYC - STL
2 stops13h 20mMultiple Airlines
Deal found 1/6C$ 649
Sat 15/611:34 a.m.STL - YYC
1 stop10h 58mMultiple Airlines
Fri 21/612:30 a.m.YYC - STL
2 stops13h 20mMultiple Airlines
Deal found 1/6C$ 662
Thu 13/61:42 p.m.STL - YYC
1 stop9h 01mAir Canada
Sat 15/66:00 a.m.YYC - STL
1 stop8h 21mAir Canada
Deal found 1/6C$ 774
Sat 15/611:34 a.m.STL - YYC
1 stop10h 58mMultiple Airlines
Sat 22/67:30 p.m.YYC - STL
1 stop14h 12mMultiple Airlines
Deal found 1/6C$ 792

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 420,726 searches. Data last updated 2 June 2024.
Scroll through some of the best deals on flights from St. Louis to Calgary in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Thu 8/812:15 p.m.STL - YYC
2 stops9h 25mMultiple Airlines
Wed 14/87:30 p.m.YYC - STL
1 stop13h 48mMultiple Airlines
Deal found 2/6C$ 465
Sat 21/99:05 a.m.STL - YYC
1 stop13h 38mAir Canada
Sat 28/96:25 a.m.YYC - STL
1 stop13h 28mAir Canada
Deal found 1/6C$ 526
Mon 23/94:05 p.m.STL - YYC
1 stop7h 39mAir Canada
Fri 27/96:25 a.m.YYC - STL
1 stop14h 50mAir Canada
Deal found 1/6C$ 527
Tue 9/711:57 a.m.STL - YYC
2 stops24h 59mMultiple Airlines
Wed 17/76:50 p.m.YYC - STL
2 stops21h 39mMultiple Airlines
Deal found 2/6C$ 529
Tue 9/711:57 a.m.STL - YYC
2 stops24h 59mMultiple Airlines
Wed 17/77:00 a.m.YYC - STL
3 stops33h 29mMultiple Airlines
Deal found 2/6C$ 548
Fri 6/94:51 p.m.STL - YYC
1 stop5h 52mMultiple Airlines
Mon 9/911:40 p.m.YYC - STL
1 stop14h 40mMultiple Airlines
Deal found 31/5C$ 552
Fri 6/99:00 a.m.STL - YYC
1 stop11h 59mWestJet
Mon 9/99:30 p.m.YYC - STL
2 stops12h 13mWestJet
Deal found 31/5C$ 564
Fri 6/99:00 a.m.STL - YYC
2 stops10h 32mWestJet
Mon 9/98:00 p.m.YYC - STL
2 stops12h 31mWestJet
Deal found 31/5C$ 571
Sat 14/98:00 a.m.STL - YYC
2 stops15h 04mMultiple Airlines
Fri 20/912:20 a.m.YYC - STL
2 stops16h 10mMultiple Airlines
Deal found 1/6C$ 578

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 420,726 searches. Data last updated 2 June 2024.
Some of the best available deals we've found on one-way flights from St. Louis to Calgary. Those needing a return flight from St. Louis to Calgary can use the search form above.
Tue 20/87:29 p.m.STL - YYC
1 stop27h 33mMultiple Airlines
Deal found 1/6C$ 169
Tue 9/77:49 p.m.STL - YYC
1 stop17h 07mMultiple Airlines
Deal found 2/6C$ 208
Sun 7/76:15 p.m.STL - YYC
2 stops23h 44mMultiple Airlines
Deal found 2/6C$ 221
Sat 31/84:51 p.m.STL - YYC
1 stop5h 52mAir Canada
Deal found 1/6C$ 228
Tue 9/711:57 a.m.STL - YYC
2 stops24h 59mMultiple Airlines
Deal found 2/6C$ 230
Tue 20/87:57 a.m.STL - YYC
3 stops17h 43mMultiple Airlines
Deal found 1/6C$ 233
Fri 19/73:22 p.m.STL - YYC
2 stops26h 37mMultiple Airlines
Deal found 1/6C$ 236
Tue 20/812:15 p.m.STL - YYC
2 stops33h 25mMultiple Airlines
Deal found 1/6C$ 252
Tue 16/710:11 a.m.STL - YYC
3 stops30h 02mMultiple Airlines
Deal found 2/6C$ 260

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 420,726 searches. Data last updated 2 June 2024.

Fly from

Any airport

Fly to

Any airport

Budget

C$ 465 - C$ 786

Route

Depart

Return

Price

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Thu 8/8

2 stops9h 25m

Calgary

Wed 14/8

1 stop13h 48m

C$ 465

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sat 21/9

1 stop13h 38m

Calgary

Sat 28/9

1 stop13h 28m

C$ 526

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 23/9

1 stop7h 39m

Calgary

Fri 27/9

1 stop14h 50m

C$ 527

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 9/7

2 stops24h 59m

Calgary

Wed 17/7

2 stops21h 39m

C$ 529

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Fri 6/9

1 stop11h 59m

Calgary

Mon 9/9

2 stops12h 13m

C$ 564

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Fri 6/9

2 stops10h 32m

Calgary

Mon 9/9

2 stops12h 31m

C$ 571

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sun 14/7

1 stop10h 18m

Calgary

Tue 23/7

1 stop14h 46m

C$ 745

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sun 29/9

2 stops12h 14m

Calgary

Sun 6/10

1 stop9h 46m

C$ 747

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sun 29/9

1 stop16h 04m

Calgary

Fri 4/10

1 stop27h 28m

C$ 786

Flights are sorted by cheapest first

Deals found on 2/6

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 24 May 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 26 May 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Calgary flight should consider departing on Wednesday at noon when fares are most often at their lowest. Wednesday at noon 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

-7 - 17 °C

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 2 June 2024.
Read reviews from past customers who have flown United Airlines, Air Canada and Delta from St. Louis to Calgary. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Overall

8.1

Food

7.3

Boarding

8.2

Crew

8.6

Comfort

7.9

Entertainment

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
9,198 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Overall

8.1

Food

7.3

Boarding

8.2

Crew

8.6

Comfort

7.9

Entertainment

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
10,410 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Overall

8.1

Food

7.3

Boarding

8.2

Crew

8.6

Comfort

7.9

Entertainment

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
2,861 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Overall

8.1

Food

7.3

Boarding

8.2

Crew

8.6

Comfort

7.9

Entertainment

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
10,755 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Overall

8.1

Food

7.3

Boarding

8.2

Crew

8.6

Comfort

7.9

Entertainment

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
14,260 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Overall

8.1

Food

7.3

Boarding

8.2

Crew

8.6

Comfort

7.9

Entertainment

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 C$ 500 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Calgary for under C$ 500. The cheapest flight booked recently is on Multiple Airlines for just C$ 465, but on average you can expect to pay C$ 579.

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

    Flying on Air Canada is currently your cheapest option to Calgary, with prices starting at C$ 526. Another option worth looking into is WestJet, starting at C$ 564 round trip. These flights start at 34% lower than the current average price 3 months from now.

  • 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 2/6.

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

    Currently, September is the cheapest month in which you can book a flight from St. Louis to Calgary (average of C$ 144). Flying from St. Louis to Calgary in July is currently the most expensive (average of C$ 253). 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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Alternative routes for St. Louis to Calgary
See prices for flight routes from nearby airports that may be better suited for you.

Kansas City to Calgary flights
St. Louis to Edmonton flights

Top airline flying from St. Louis to Calgary

Discover the top airline 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 420,726 searches. Data last updated 2 June 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 320AverageC$ 743FlexibilityNo cancel feeOn-time67%
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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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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 St. Louis to Calgary?

When you search for this flight from St. Louis to Calgary, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Calgary from St. Louis.

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

Need flexible booking options for your flight to Calgary from St. Louis? 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 St. Louis to Calgary become cheaper?

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