Cheap flights from Minnesota to St. Louis from $50

In general, September is the cheapest month to fly from Minnesota to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $276. The month of August is another great option to travel to St. Louis, with average flight prices from Minnesota averaging around $291.

The cheapest day to depart on your flight to St. Louis is on a Wednesday when prices can be found for as low as $341. 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 Sunday because tickets tend to average around $404. 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 Minnesota in the evening is the least expensive time of day to depart. momondo users have found prices as low as $324 when looking at flights departing in the evening. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $373 per ticket.

Fly from Minneapolis St Paul to Lambert-St Louis for the best Minnesota - Lambert-St Louis flight prices

You are more likely to see cheaper flights to St. Louis from Minnesota when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $320 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Minnesota for as low as $241 on momondo.

There are 4 cabin classes available to choose from on Minnesota to St. Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Southwest, Delta, and Frontier are the most popular carriers operating from Minnesota to Lambert-St Louis

Delta, Southwest and Sun Country Air are the top three most popular airlines that fly to St. Louis from Minnesota according to our data. Delta is the first choice among our users, with 66% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 6 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.

The number of flights available between Minnesota and St. Louis is 11 per day as of August 2026. The most frequent departure time is 9:00PM, with 39% of daily flights leaving in the afternoon.

As of August 2026, 83 flights take off from Minnesota and land in St. Louis each week. The most common flight departure day for this route is Wed, with 20% of weekly flights taking off on this day.