Cheap flights from Kansas to St. Louis from $59

In general, April is the cheapest month to fly from Kansas to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $144. The month of August is another great option to travel to St. Louis, with average flight prices from Kansas averaging around $193.

The cheapest day to depart on your flight to St. Louis is on a Wednesday when prices can be found for as low as $358. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $437. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

Flying to St. Louis from Kansas in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $398 when looking at flights departing in the afternoon. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $409 per ticket.

Fly from Wichita Eisenhower National to Lambert-St Louis for the best Kansas - Lambert-St Louis flight prices

There is only 1 cabin class available to choose from on Kansas to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 35% on your flight if you consider stops on a Kansas to St. Louis flight.

As of February 2026, there are 5 flights per day flying from Kansas to St. Louis. The most common time of day flights depart is 5:00AM, with 51% of flights taking off in the morning.

38 flights are operational weekly from Kansas to St. Louis as of February 2026. The most popular departure day for this route is Tue, with 18% of flights per week taking off on this day.