The cheapest times to fly from STL to YLW are

  • January 8th to February 4th
  • March 12th to April 29th (except the week of March 26th)
  • May 28th to June 10th
  • August 6th to August 26th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from STL to YLW is mid August. Prices can be as high as $1009 for Sunday flights during late December, or as low as $407 for Tuesday flights around mid August.


When to Fly to Kelowna

Flying from St. Louis, MO (STL) to Kelowna (YLW) will usually cost between $465 to $769 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid August with an average ticket price of $480. Due to high demand the most expensive time to fly is late December, with an average price of $831. Planning your trip to low-cost times can easily save you $351 on economy flights and even more on first-class flights. Generally, any price below $564 can be considered a good price for a round-trip STL to YLW flight.

See below for a graph of average weekly prices for the STL to YLW route. All prices are for round-trip tickets in USD.

STL to YLW Flight Prices

Compared to other flights, the STL to YLW flight is cheaper than the average and costs less than the average flight leaving from St. Louis. The average price per mile (for a direct flight) is $0.22, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $124 (20%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $520. Return trip prices are from the YLW to STL flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from STL to YLW can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 3 hour 53 minutes may not be realistic.


Flight Questions Answered

Still have questions about flying from STL to YLW? We’ve got answers.

Which airlines fly this route?

You can find 9 major airlines flying this route most often: Air Canada, Alaska, American, Delta, Korean Air, Qantas, Singapore Airlines, United, WestJet, and potentially more during busy seasons.

How far away is it from Kelowna Airport to St Louis Lambert International Airport?

The distance between the two airports is roughly 1614 miles or 2597 kilometers.

How long does it take to fly from STL to YLW?

The real-world flight time for a nonstop STL to YLW flight is about 3 hour 53 minutes.

How many flights go between St. Louis, MO and Kelowna?

It depends on the day of the week and the date, but a typical day might have around 67 available flights from STL to YLW.


Airport Location Info


Departing Airport

Origination codeSTL
Origination airport nameSt Louis Lambert International Airport
CitySt. Louis, MO
Countrythe United States

Return Airport

Destination codeYLW
Destination airport nameKelowna Airport


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.