$151+ Cheap flights from St. Louis (STL) to Calgary (YYC)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
STL — YYC
Oct 27 — Nov 31
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from St. Louis to Calgary with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Calgary
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to CalgaryExplore the most affordable flight options available from St. Louis to Calgary. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 27, 2026.
Explore the most affordable flight options available from St. Louis to Calgary. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:44 pm -
1 stop18h 21m
Tue 11/171:25 am -
1 stop15h 15m
Deal found 9/27![Multiple Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:35 pm -
1 stop17h 25m
Thu 10/156:00 pm -
2 stops22h 40m
Deal found 9/25![Multiple Airlines logo]()
$541
This Kiwi.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:35 pm -
1 stop17h 25m
Mon 10/121:15 pm -
2 stops23h 16m
Deal found 9/25![Multiple Airlines logo]()
$551
This Delta deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:20 pm -
1 stop10h 57m
Tue 11/172:20 pm -
1 stop8h 02m
Deal found 9/26![Delta logo]()
$558
This Kiwi.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:00 am -
1 stop13h 10m
Sun 11/1511:35 am -
2 stops24h 46m
Deal found 9/24![Multiple Airlines logo]()
$571
This FlightHub deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/910:06 am -
1 stop9h 49m
Sat 12/121:25 am -
1 stop6h 36m
Deal found 9/27![WestJet logo]()
$573
This Kiwi.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/512:14 pm -
2 stops24h 51m
Sat 11/71:25 am -
1 stop6h 44m
Deal found 9/25![Multiple Airlines logo]()
$576
This Justfly.com deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/225:30 pm -
1 stop19h 35m
Fri 11/271:25 am -
1 stop6h 38m
Deal found 9/27![WestJet logo]()
$578
This Delta deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2412:28 pm -
1 stop10h 30m
Fri 11/272:20 pm -
1 stop4h 11m
Deal found 9/26![Delta logo]()
$579
This Kiwi.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:35 pm -
1 stop17h 25m
Fri 10/1610:00 am -
2 stops31h 57m
Deal found 9/25![Multiple Airlines logo]()
$584
Best flights from St. Louis to CalgaryDiscover carefully curated flight deals from St. Louis to Calgary that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 27, 2026.
Discover carefully curated flight deals from St. Louis to Calgary that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 27, 2026.
This Delta deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:20 pm -
1 stop10h 57m
Tue 11/172:20 pm -
1 stop8h 02m
Deal found 9/26![Delta logo]()
$558
This United Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/228:50 am -
1 stop7h 31m
Sat 11/283:06 pm -
1 stop7h 33m
Deal found 9/27![United Airlines logo]()
$597
This Delta deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2412:28 pm -
1 stop10h 30m
Fri 11/272:20 pm -
1 stop4h 11m
Deal found 9/27![Delta logo]()
$579
This United Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:40 am -
1 stop7h 41m
Sat 11/283:06 pm -
1 stop7h 33m
Deal found 9/27![United Airlines logo]()
$597
This Delta deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/133:32 pm -
1 stop7h 35m
Tue 12/221:43 pm -
1 stop10h 03m
Deal found 9/22![Delta logo]()
$601
Last-minute flights from St. Louis to CalgaryDiscover last-minute flight deals from St. Louis to Calgary. Data last updated September 27, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Calgary. Data last updated September 27, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:02 am -
2 stops11h 28m
Sun 10/1112:20 am -
1 stop16h 20m
Deal found 9/25![Multiple Airlines logo]()
$637
This Kiwi.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:02 am -
2 stops12h 58m
Sat 10/101:40 pm -
1 stop8h 41m
Deal found 9/25![Multiple Airlines logo]()
$657
This Kiwi.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/712:17 pm -
2 stops37h 27m
Sun 10/1112:20 am -
1 stop16h 20m
Deal found 9/25![Multiple Airlines logo]()
$597
This Kiwi.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/72:38 pm -
1 stop6h 37m
Thu 10/156:00 pm -
2 stops22h 40m
Deal found 9/25![Multiple Airlines logo]()
$658
This Kiwi.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:47 am -
1 stop14h 28m
Mon 10/121:15 pm -
2 stops23h 16m
Deal found 9/25![Multiple Airlines logo]()
$607
This Kiwi.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:35 pm -
1 stop17h 25m
Thu 10/156:00 pm -
2 stops22h 40m
Deal found 9/25![Multiple Airlines logo]()
$541
This Kiwi.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:35 pm -
1 stop17h 25m
Mon 10/121:15 pm -
2 stops23h 16m
Deal found 9/25![Multiple Airlines logo]()
$551
This Kiwi.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:35 pm -
1 stop17h 25m
Fri 10/1610:00 am -
2 stops31h 57m
Deal found 9/25![Multiple Airlines logo]()
$584
This Kiwi.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:35 pm -
1 stop17h 25m
Sat 10/106:30 pm -
2 stops13h 39m
Deal found 9/25![Multiple Airlines logo]()
$633
This Kiwi.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:35 pm -
2 stops21h 40m
Mon 10/1212:20 am -
1 stop7h 49m
Deal found 9/25![Multiple Airlines logo]()
$653
One-way flights from St. Louis to CalgarySearch for one-way flight options from St. Louis to Calgary. Find affordable one-way fares based on user searches. Data last updated September 27, 2026.
Search for one-way flight options from St. Louis to Calgary. Find affordable one-way fares based on user searches. Data last updated September 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:35 pm -
1 stop17h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Multiple Airlines logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:35 pm -
1 stop17h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Multiple Airlines logo]()
$168
This American Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/127:26 am -
2 stops16h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![American Airlines logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/127:54 pm -
3 stops24h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$184
This Air Canada deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/224:05 pm -
1 stop9h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Air Canada logo]()
$271
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/126:30 am -
1 stop7h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![United Airlines logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/187:02 am -
2 stops27h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Multiple Airlines logo]()
$277
This American Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/132:54 pm -
1 stop9h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![American Airlines logo]()
$278
Find 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 September 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $366 (Mytrip) |
One-way from | $151 (Kiwi.com) |
Popular in | February |
Cheapest in | April |
Average price | $676 |
Cheapflights Fare Finder
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 7,457,451 searches. Data last updated September 27, 2026.
Use the filters below to find and compare flights from St. Louis to Calgary that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisCalgary
STL Lambert-St Louis - YYC Calgary
STLYYC
Lambert-St Louis
Mon 10/19
6:35 pm-11:00 am
1 stop17h 25m
Calgary
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$151
St. LouisCalgary
STL Lambert-St Louis - YYC Calgary
STLYYC
Lambert-St Louis
Fri 10/16
6:35 pm-11:00 am
1 stop17h 25m
Calgary
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$168
St. LouisCalgary
STL Lambert-St Louis - YYC Calgary
STLYYC
Lambert-St Louis
Sat 12/12
7:26 am-11:54 pm
2 stops16h 28m
Calgary
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$182
St. LouisCalgary
STL Lambert-St Louis - YYC Calgary
STLYYC
Lambert-St Louis
Sat 12/12
6:30 am-1:35 pm
1 stop7h 05m
Calgary
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$274
St. LouisCalgary
STL Lambert-St Louis - YYC Calgary
STLYYC
Lambert-St Louis
Sun 10/18
2:00 pm-8:20 am
3 stops43h 20m
Calgary
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$283
St. LouisCalgary
STL Lambert-St Louis - YYC Calgary
STLYYC
Lambert-St Louis
Sun 12/13
6:03 am-7:10 pm
2 stops13h 07m
Calgary
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$294
St. LouisCalgary
STL Lambert-St Louis - YYC Calgary
STLYYC
Lambert-St Louis
Sun 12/20
6:30 am-8:30 pm
2 stops14h 00m
Calgary
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$294
St. LouisCalgary
STL Lambert-St Louis - YYC Calgary
STLYYC
Lambert-St Louis
Wed 10/7
7:02 am-10:00 pm
2 stops15h 58m
Calgary
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$311
St. LouisCalgary
STL Lambert-St Louis - YYC Calgary
STLYYC
Lambert-St Louis
Tue 12/22
8:05 am-1:06 am
2 stops17h 01m
Calgary
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$312
Quickest round-trip
St. LouisCalgary
STL Lambert-St Louis - YYC Calgary
STLYYC
Lambert-St Louis
Sun 10/18
6:00 am-11:28 am
1 stop6h 28m
Calgary
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$320
Showing 1-10 of 15 resultsSorted by cheapest first
Compare providers for flights from St. Louis to Calgary
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Calgary in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Calgary flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Calgary flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Calgary flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Calgary flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Calgary flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
STL-YYC
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.
Cheapflights Insights
Everything you need to know about your flight from St. Louis to Calgary
How far ahead should I book a flight from St. Louis to Calgary?
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 86 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from St. Louis to Calgary?
Currently, April is the cheapest month in which you can book a flight from St. Louis to Calgary (average of $559). Flying from St. Louis to Calgary in February is currently the most expensive (average of $906). 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.
How much does it cost to fly round-trip from St. Louis to Calgary?
Airfare is below average for this route at the moment.
St. Louis to Calgary flights typically cost between $629 and $749 in November.The cheapest round-trip price found within the last 5 days was $317 on Multiple Airlines (Nov 11-Nov 17).
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 September 27, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andWestJet from St. Louis to Calgary by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Overall
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Overall
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Overall
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Overall
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Overall
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Overall
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
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.
Traveling to a place near Calgary?
Book flights to Calgary if you plan to visit one of these locationsCanmore
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
Calgary flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from St. Louis
Popular flights
Alternative routes for St. Louis to Calgary
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Calgary
Explore flights to Calgary departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 27, 2026.
Complete your trip
Complete your trip to Calgary by adding a car rental and/or hotel reservation to your travel itinerary.
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.
St. Louis and Calgary flights
Browse other St. Louis and Calgary flight options. Last updated on September 27, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on September 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated September 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$252 | Average$805 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$267 | Average$645 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$434 | Average$684 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$483 | Average$713 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$557 | Average$687 | FlexibilityNo cancel fee | On-time71% |