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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 9/10. 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
May 9 — May 161
From?
To?
Thu 5/9
Thu 5/16
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 May 4, 2024.

Popular in

July

Cheapest in

March

Round-trip from

$309

One-way from

$204
High demand for flights, 12% potential price rise
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Best time to find cheap flights, 16% 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 119% 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 $594. For sooner than that we have options available in the next 3 days from $594.

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 $585 on average during March, but can be found for as low as $180.

When is the cheapest time to fly from St. Louis to Calgary (STL - 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 12% versus a flight in the morning.

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 2,795,183 searches. Data last updated May 4, 2024.
Check out some of the cheapest Air Canada flights we've come across from St. Louis to Calgary. Make sure to double check the flight details before booking.
Tue 8/204:05 pmSTL - YYC
1 stop7h 40mAir Canada
Wed 8/286:00 amYYC - STL
1 stop8h 21mAir Canada
Deal found 5/3$432
Tue 8/204:05 pmSTL - YYC
1 stop7h 40mAir Canada
Tue 8/271:00 amYYC - STL
1 stop13h 21mAir Canada
Deal found 5/3$455
Tue 9/104:05 pmSTL - YYC
1 stop17h 59mAir Canada
Mon 9/1612:10 amYYC - STL
1 stop14h 10mAir Canada
Deal found 5/4$479
Mon 5/279:05 amSTL - YYC
1 stop13h 38mAir Canada
Sat 6/16:00 amYYC - STL
1 stop8h 21mAir Canada
Deal found 5/3$549
Tue 7/94:05 pmSTL - YYC
1 stop18h 00mAir Canada
Sat 7/136:25 amYYC - STL
1 stop14h 55mAir Canada
Deal found 5/3$621
Thu 6/139:05 amSTL - YYC
1 stop13h 38mAir Canada
Sat 6/156:00 amYYC - STL
1 stop8h 21mAir Canada
Deal found 5/4$642
Thu 6/139:05 amSTL - YYC
1 stop13h 38mAir Canada
Fri 6/1412:10 amYYC - STL
1 stop14h 11mAir Canada
Deal found 5/4$665
Sat 6/224:05 pmSTL - YYC
1 stop18h 00mAir Canada
Thu 6/276:00 amYYC - STL
1 stop8h 21mAir Canada
Deal found 5/4$666
Wed 10/236:30 amSTL - YYC
1 stop6h 06mAir Canada
Sun 10/271:15 amYYC - STL
1 stop7h 38mAir Canada
Deal found 5/3$674

Cheap Delta flights from St. Louis to Calgary

Explore cheap flight options specifically provided by Delta 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 2,795,183 searches. Data last updated May 4, 2024.
Take a gander at the lowest prices we've found on Delta flights from St. Louis to Calgary. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Fri 5/312:28 pmSTL - YYC
1 stop9h 45mDelta
Fri 6/78:00 amYYC - STL
1 stop8h 35mDelta
Deal found 5/3$435
Tue 8/203:30 pmSTL - YYC
1 stop6h 11mDelta
Wed 8/288:05 amYYC - STL
2 stops12h 24mDelta
Deal found 5/3$445
Mon 7/152:30 pmSTL - YYC
1 stop9h 33mDelta
Thu 7/182:56 pmYYC - STL
1 stop5h 40mDelta
Deal found 5/3$478
Wed 7/310:15 amSTL - YYC
2 stops13h 48mDelta
Wed 7/106:45 amYYC - STL
1 stop9h 19mDelta
Deal found 5/4$488
Tue 7/92:30 pmSTL - YYC
1 stop9h 33mDelta
Fri 7/1911:30 amYYC - STL
2 stops9h 06mDelta
Deal found 5/3$505
Fri 5/312:28 pmSTL - YYC
1 stop9h 45mDelta
Fri 6/78:00 amYYC - STL
1 stop8h 35mDelta
Deal found 5/3$521
Tue 7/910:18 amSTL - YYC
2 stops13h 45mDelta
Sat 7/138:00 amYYC - STL
2 stops12h 36mDelta
Deal found 5/4$536
Fri 7/126:15 amSTL - YYC
2 stops13h 17mDelta
Thu 7/1811:30 amYYC - STL
2 stops9h 06mDelta
Deal found 5/3$539
Wed 7/106:15 amSTL - YYC
2 stops11h 17mDelta
Thu 7/1811:30 amYYC - STL
2 stops9h 06mDelta
Deal found 5/3$553

Cheap St. Louis to Calgary flights in May & June 2024

Find cheap flight options from St. Louis to Calgary specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,795,183 searches. Prices were last updated on May 4, 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.
Fri 5/244:45 pmSTL - YYC
2 stops28h 37mMultiple Airlines
Sun 6/27:25 pmYYC - STL
2 stops18h 49mMultiple Airlines
Deal found 5/4$424
Fri 5/249:45 amSTL - YYC
2 stops35h 37mMultiple Airlines
Sun 6/29:20 amYYC - STL
3 stops28h 54mMultiple Airlines
Deal found 5/4$444
Sat 5/186:11 amSTL - YYC
1 stop15h 35mWestJet
Sat 6/19:45 amYYC - STL
1 stop10h 49mWestJet
Deal found 5/4$453
Sat 5/1812:15 pmSTL - YYC
2 stops9h 07mMultiple Airlines
Sat 6/112:30 pmYYC - STL
2 stops22h 15mMultiple Airlines
Deal found 5/4$459
Sat 5/1812:15 pmSTL - YYC
2 stops9h 07mMultiple Airlines
Fri 5/3112:30 amYYC - STL
1 stop17h 11mMultiple Airlines
Deal found 5/4$480
Sat 5/186:11 amSTL - YYC
1 stop15h 35mWestJet
Fri 5/3112:30 amYYC - STL
1 stop10h 18mWestJet
Deal found 5/4$485
Sat 5/1812:15 pmSTL - YYC
2 stops9h 07mMultiple Airlines
Sat 6/110:00 amYYC - STL
3 stops25h 33mMultiple Airlines
Deal found 5/4$493
Sat 5/1812:15 pmSTL - YYC
2 stops9h 07mMultiple Airlines
Sat 6/17:30 pmYYC - STL
1 stop13h 43mMultiple Airlines
Deal found 5/4$510
Fri 5/244:05 pmSTL - YYC
1 stop8h 31mMultiple Airlines
Sun 6/27:25 pmYYC - STL
2 stops18h 49mMultiple Airlines
Deal found 5/4$511

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 2,795,183 searches. Data last updated May 4, 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.
Fri 5/244:45 pmSTL - YYC
2 stops28h 37mMultiple Airlines
Sun 6/27:25 pmYYC - STL
2 stops18h 49mMultiple Airlines
Deal found 5/4$424
Wed 7/312:05 pmSTL - YYC
1 stop10h 57mMultiple Airlines
Wed 7/107:30 pmYYC - STL
1 stop13h 48mMultiple Airlines
Deal found 5/4$435
Fri 5/249:45 amSTL - YYC
2 stops35h 37mMultiple Airlines
Sun 6/29:20 amYYC - STL
3 stops28h 54mMultiple Airlines
Deal found 5/4$444
Sat 5/186:11 amSTL - YYC
1 stop15h 35mWestJet
Sat 6/19:45 amYYC - STL
1 stop10h 49mWestJet
Deal found 5/4$453
Tue 9/104:05 pmSTL - YYC
1 stop17h 59mAir Canada
Wed 9/186:00 amYYC - STL
1 stop8h 20mAir Canada
Deal found 5/3$455
Tue 9/1011:51 amSTL - YYC
2 stops13h 49mWestJet
Wed 9/186:50 amYYC - STL
1 stop13h 41mWestJet
Deal found 5/3$457
Sat 5/1812:15 pmSTL - YYC
2 stops9h 07mMultiple Airlines
Sat 6/112:30 pmYYC - STL
2 stops22h 15mMultiple Airlines
Deal found 5/4$459
Wed 8/144:31 pmSTL - YYC
2 stops28h 39mMultiple Airlines
Sun 8/1811:30 pmYYC - STL
2 stops16h 39mMultiple Airlines
Deal found 5/4$462
Tue 9/102:05 pmSTL - YYC
2 stops11h 35mWestJet
Tue 9/177:00 amYYC - STL
2 stops15h 35mWestJet
Deal found 5/4$463

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 2,795,183 searches. Data last updated May 4, 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 9/107:29 pmSTL - YYC
1 stop17h 27mMultiple Airlines
Deal found 5/3$167
Tue 9/108:00 amSTL - YYC
2 stops12h 50mMultiple Airlines
Deal found 5/3$202
Tue 9/108:00 amSTL - YYC
3 stops14h 40mMultiple Airlines
Deal found 5/3$204
Tue 7/166:00 amSTL - YYC
1 stop14h 59mWestJet
Deal found 5/4$224
Mon 5/277:10 amSTL - YYC
2 stops12h 10mWestJet
Deal found 5/4$229
Mon 5/279:05 amSTL - YYC
1 stop13h 38mAir Canada
Deal found 5/4$272
Thu 8/11:45 pmSTL - YYC
1 stop8h 58mAir Canada
Deal found 5/3$310

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 2,795,183 searches. Data last updated May 4, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$400 - $455

Route

Depart

Return

Price

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Fri 5/24

2 stops25h 36m

Calgary

Sun 5/26

1 stop10h 32m

$400

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Fri 5/31

3 stops25h 54m

Calgary

Fri 6/7

3 stops18h 58m

$413

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Fri 5/31

3 stops25h 54m

Calgary

Fri 6/7

2 stops23h 34m

$417

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 8/20

1 stop7h 40m

Calgary

Wed 8/28

1 stop8h 21m

$432

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Fri 5/31

1 stop9h 45m

Calgary

Fri 6/7

1 stop8h 35m

$435

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 8/20

1 stop6h 11m

Calgary

Wed 8/28

2 stops12h 24m

$445

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 8/20

1 stop6h 11m

Calgary

Wed 8/28

1 stop12h 39m

$452

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sat 5/18

1 stop15h 35m

Calgary

Sat 6/1

1 stop10h 49m

$453

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 8/20

1 stop7h 40m

Calgary

Tue 8/27

1 stop13h 21m

$455

Flights are sorted by cheapest first

Deals found on 5/3

When is the best time to 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 3, 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

When is the cheapest time 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 April 28, 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 afternoons 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

Average price of flights to Calgary by month

Plan your trip from St. Louis to Calgary by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Calgary is currently $230 while a round-trip flight costs $434. Price data was last updated on April 28, 2024.

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 July is currently the most expensive (average of $452). 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.

January

$309

February

$397

March

$437

April

$413

May

$374

June

$396

July

$452

August

$426

September

$381

October

$333

November

$325

December

$310

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

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 May 4, 2024.
Peruse reviews from past customers who have flown with Air Canada, Delta and WestJet 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.
Delta
8.1
Very good
10,838 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.4

Crew

8.6

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.1
Very good
10,838 reviews
Delta
8.1
Very good
10,838 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.4

Crew

8.6

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

WestJet
7.6
Good
2,962 reviews
Delta
8.1
Very good
10,838 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.4

Crew

8.6

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Air Canada
7.0
Good
6,904 reviews
Delta
8.1
Very good
10,838 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.4

Crew

8.6

Overall

8.1

Entertainment

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

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 $400 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Calgary for under $400. The cheapest flight booked recently is on Multiple Airlines for just $400, but on average you can expect to pay $441.

  • 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 $432. Other airlines that can offer you cheap pricing are Delta, from $435, and WestJet, from $452. Users have found that Air Canada is 26% cheaper than the other options available to this destination.

  • 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 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 5/4.

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.

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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 2,795,183 searches. Data last updated May 4, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$188Average$561FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest$307Average$640FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$384Average$662FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$422Average$582FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapest$510Average$609FlexibilityNo cancel feeOn-time60%
Search WestJet flights
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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.

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

Millions of users choose and trust Cheapflights to book the best flight deals from St. Louis to Calgary for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes! Cheapflights helps users easily find flights from St. Louis to Calgary with no change fees.

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Not ready to book yet? You can track prices for flights from St. Louis to Calgary on Cheapflights with our Price Alert feature and get notified when better prices are available.

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