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Cheap flights from St. Louis (STL) to Calgary (YYC) from $153

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 6/4. 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 2 — Jun 91
From?
To?
Sun 6/2
Sun 6/9
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 28, 2024.

Popular in

July

Cheapest in

March

Round-trip from

$309

One-way from

$256
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 $589 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 10% versus a flight in the morning.

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 2,696,634 searches. Data last updated May 28, 2024.
Check out some of the cheapest Delta flights we've come across from St. Louis to Calgary. Make sure to double check the flight details before booking.
Mon 9/92:20 pmSTL - YYC
1 stop10h 01mDelta
Fri 9/209:30 pmYYC - STL
2 stops12h 13mDelta
Deal found 5/28$393
Fri 8/162:35 pmSTL - YYC
1 stop9h 29mDelta
Fri 8/238:00 amYYC - STL
2 stops14h 28mDelta
Deal found 5/27$395
Sun 7/142:35 pmSTL - YYC
1 stop9h 29mDelta
Tue 7/238:00 amYYC - STL
1 stop8h 34mDelta
Deal found 5/27$421
Mon 9/910:25 amSTL - YYC
2 stops12h 15mDelta
Thu 9/1912:30 amYYC - STL
1 stop11h 24mDelta
Deal found 5/28$424
Wed 7/102:35 pmSTL - YYC
1 stop9h 29mDelta
Tue 7/166:45 amYYC - STL
2 stops12h 51mDelta
Deal found 5/27$431
Thu 9/1910:00 amSTL - YYC
1 stop11h 03mDelta
Tue 9/2412:30 amYYC - STL
1 stop9h 13mDelta
Deal found 5/27$450
Thu 9/197:10 amSTL - YYC
2 stops13h 09mDelta
Tue 9/2412:30 amYYC - STL
1 stop11h 24mDelta
Deal found 5/27$455
Thu 9/262:20 pmSTL - YYC
1 stop10h 01mDelta
Tue 10/18:05 amYYC - STL
2 stops12h 26mDelta
Deal found 5/28$461
Sat 7/136:06 amSTL - YYC
1 stop8h 34mDelta
Fri 7/196:45 amYYC - STL
1 stop9h 21mDelta
Deal found 5/27$596

Cheap American Airlines flights from St. Louis to Calgary

Explore cheap flight options specifically provided by American 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 2,696,634 searches. Data last updated May 28, 2024.
Take a gander at the lowest prices we've found on American Airlines 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.
Mon 9/94:17 pmSTL - YYC
1 stop20h 22mAmerican Airlines
Fri 9/201:30 pmYYC - STL
1 stop7h 39mAmerican Airlines
Deal found 5/28$452
Thu 6/138:01 amSTL - YYC
1 stop14h 49mAmerican Airlines
Sat 6/156:45 amYYC - STL
1 stop11h 32mAmerican Airlines
Deal found 5/28$572

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 2,696,634 searches. Prices were last updated on May 28, 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 6/283:07 pmSTL - YYC
2 stops21h 02mMultiple Airlines
Sun 6/307:30 pmYYC - STL
1 stop17h 21mMultiple Airlines
Deal found 5/27$432
Thu 6/132:29 pmSTL - YYC
1 stop9h 33mDelta
Sat 6/156:45 amYYC - STL
2 stops13h 32mDelta
Deal found 5/28$463
Tue 6/2510:05 amSTL - YYC
2 stops9h 08mWestJet
Mon 7/812:35 pmYYC - STL
2 stops8h 32mWestJet
Deal found 5/26$470
Fri 6/283:07 pmSTL - YYC
3 stops22h 48mMultiple Airlines
Sun 6/307:30 pmYYC - STL
1 stop17h 21mMultiple Airlines
Deal found 5/27$472
Fri 6/283:07 pmSTL - YYC
2 stops21h 02mMultiple Airlines
Sun 6/309:30 pmYYC - STL
3 stops14h 20mMultiple Airlines
Deal found 5/27$475
Sat 6/84:45 pmSTL - YYC
1 stop5h 58mAir Canada
Fri 6/146:00 amYYC - STL
1 stop8h 21mAir Canada
Deal found 5/26$477
Tue 6/252:21 pmSTL - YYC
1 stop10h 31mMultiple Airlines
Mon 7/812:35 pmYYC - STL
2 stops8h 32mMultiple Airlines
Deal found 5/26$486
Sun 6/304:05 pmSTL - YYC
1 stop7h 40mAir Canada
Sat 7/66:25 amYYC - STL
1 stop5h 24mAir Canada
Deal found 5/26$495
Sat 6/84:45 pmSTL - YYC
1 stop5h 58mAir Canada
Thu 6/131:00 amYYC - STL
1 stop13h 21mAir Canada
Deal found 5/26$500

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 2,696,634 searches. Data last updated May 28, 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.
Wed 8/1411:36 amSTL - YYC
1 stop11h 26mMultiple Airlines
Mon 8/193:35 pmYYC - STL
1 stop17h 43mMultiple Airlines
Deal found 5/28$309
Thu 8/2912:15 pmSTL - YYC
2 stops9h 25mMultiple Airlines
Tue 9/37:30 pmYYC - STL
1 stop13h 48mMultiple Airlines
Deal found 5/27$366
Sat 9/146:24 pmSTL - YYC
2 stops26h 39mMultiple Airlines
Fri 9/2012:30 pmYYC - STL
2 stops28h 00mMultiple Airlines
Deal found 5/27$379
Mon 9/95:20 pmSTL - YYC
1 stop6h 24mAir Canada
Sat 9/146:00 amYYC - STL
1 stop8h 20mAir Canada
Deal found 5/27$382
Fri 8/162:35 pmSTL - YYC
1 stop9h 29mDelta
Fri 8/238:00 amYYC - STL
1 stop8h 34mDelta
Deal found 5/27$386
Fri 8/162:35 pmSTL - YYC
1 stop9h 29mDelta
Fri 8/238:00 amYYC - STL
2 stops14h 28mDelta
Deal found 5/27$395
Sat 9/1411:39 amSTL - YYC
3 stops33h 24mMultiple Airlines
Fri 9/2012:30 pmYYC - STL
2 stops28h 00mMultiple Airlines
Deal found 5/27$401
Tue 7/23:23 pmSTL - YYC
3 stops34h 17mMultiple Airlines
Tue 7/97:30 pmYYC - STL
2 stops18h 36mMultiple Airlines
Deal found 5/26$402
Wed 8/1411:36 amSTL - YYC
1 stop11h 26mMultiple Airlines
Mon 8/1911:30 amYYC - STL
2 stops10h 58mMultiple Airlines
Deal found 5/28$403

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 2,696,634 searches. Data last updated May 28, 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 6/42:12 pmSTL - YYC
1 stop22h 46mMultiple Airlines
Deal found 5/27$153
Tue 7/162:35 pmSTL - YYC
1 stop9h 29mDelta
Deal found 5/28$167
Mon 8/197:29 pmSTL - YYC
1 stop17h 27mMultiple Airlines
Deal found 5/27$177
Fri 6/76:10 pmSTL - YYC
2 stops23h 48mMultiple Airlines
Deal found 5/27$190
Tue 7/1610:04 amSTL - YYC
2 stops11h 50mDelta
Deal found 5/28$204
Fri 6/73:07 pmSTL - YYC
1 stop21h 51mMultiple Airlines
Deal found 5/27$205
Mon 6/312:15 pmSTL - YYC
2 stops9h 07mMultiple Airlines
Deal found 5/27$207
Fri 6/77:45 amSTL - YYC
3 stops17h 58mMultiple Airlines
Deal found 5/27$217
Tue 6/42:12 pmSTL - YYC
2 stops19h 17mMultiple Airlines
Deal found 5/27$220

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 2,696,634 searches. Data last updated May 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$252 - $480

Route

Depart

Return

Price

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 6/11

1 stop17h 29m

Calgary

Tue 6/18

1 stop14h 12m

$252

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 6/11

2 stops24h 16m

Calgary

Tue 6/18

1 stop16h 35m

$280

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Tue 6/11

3 stops31h 42m

Calgary

Tue 6/18

1 stop16h 35m

$298

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Wed 8/14

1 stop11h 26m

Calgary

Mon 8/19

1 stop17h 43m

$309

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 9/9

1 stop6h 24m

Calgary

Sat 9/14

1 stop8h 20m

$382

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 9/9

1 stop10h 01m

Calgary

Fri 9/20

2 stops12h 13m

$393

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sat 9/14

1 stop9h 08m

Calgary

Thu 9/19

1 stop11h 24m

$409

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 9/9

1 stop20h 22m

Calgary

Fri 9/20

1 stop7h 39m

$452

Lambert-St LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Sat 7/13

2 stops17h 58m

Calgary

Fri 7/19

2 stops18h 21m

$480

Flights are sorted by cheapest first

Deals found on 5/28

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 24, 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 May 19, 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

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 28, 2024.
Peruse reviews from past customers who have flown with Delta, American Airlines and United 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.
Delta
8.0
Very good
10,476 reviews
Check prices

Food

7.4

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Crew

8.6

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
8.0
Very good
10,476 reviews
Delta
8.0
Very good
10,476 reviews
Check prices

Food

7.4

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Crew

8.6

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
7.5
Good
2,871 reviews
Delta
8.0
Very good
10,476 reviews
Check prices

Food

7.4

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Crew

8.6

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.

United Airlines
7.4
Good
10,799 reviews
Delta
8.0
Very good
10,476 reviews
Check prices

Food

7.4

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Crew

8.6

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.

American Airlines
7.3
Good
14,316 reviews
Delta
8.0
Very good
10,476 reviews
Check prices

Food

7.4

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Crew

8.6

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
6,988 reviews
Delta
8.0
Very good
10,476 reviews
Check prices

Food

7.4

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Crew

8.6

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 $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 $252, but on average you can expect to pay $368.

  • 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 $382. Other airlines that can offer you cheap pricing are Delta, from $393, and WestJet, from $409. Users have found that Air Canada is 35% 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 Delta. You may also be able to find cheap deals on American Airlines and WestJet, with prices starting from $256 and $335, 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 5/28.

  • 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.

  • When is the best time 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 $437). 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 2,696,634 searches. Data last updated May 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$189Average$581FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest$307Average$647FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$369Average$662FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$389Average$581FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapest$484Average$601FlexibilityNo 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.

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

Cheapflights helps you search for flights from St. Louis to Calgary via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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.

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

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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