Cheap Flights from St. Louis (STL) to Banff (YBA)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Banff, AB (YBA)

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Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Banff, AB (YBA) cost?
Grab a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to Banff, AB (YBA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Banff, AB (YBA)?
Planning your trip for is a good way to save, as it's the cheapest month for flights between STL and YBA. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Banff, AB (YBA)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest STL to YBA flight.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Banff, AB (YBA)?
There aren't any daily direct flights from Lambert-St. Louis Intl. Airport (STL) to Banff, AB (YBA). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from STL to YBA?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Banff, AB (YBA)?
Book a flight from Lambert-St. Louis Intl. Airport (STL) to Banff, AB (YBA) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Banff, AB (YBA) last-minute?
Last-minute fares from STL to YBA are generally more expensive. To lock in the lowest prices, start searching for flights as soon as possible. That said, if you can play around with your travel dates, it's possible to find a cheap fare right before your journey.
Is it cheaper to book a STL to YBA flight and hotel package?
Compared with arranging flights and hotels separately, booking a STL to YBA flight and hotel package with Expedia could result in significant savings. Better still, having it all in one place will take the hassle out of planning your trip. Simply pick your flights and select from our extensive range of hotels, then tailor your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Banff, AB (YBA)?
Generally, it's possible to reschedule or cancel your STL to YBA flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Banff
Distance
1489 mi

Book with confidence

Book with confidence

St. Louis to Banff Flights

The cheapest times to fly from St. Louis to Banff

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Banff are during the month of . You can find some of the cheapest flights from St. Louis to Banff with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Banff

Sunday is one of the best days to book for cheap flights from St. Louis to Banff: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Banff

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Banff in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Banff flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Banff airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Banff Flights

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*Available to One Key members.