Cheap flights from Europe to St. Louis from $444

In general, February is the cheapest month to fly from Europe to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $337. The month of January is another great option to travel to St. Louis, with average flight prices from Europe averaging around $384.

Fly from London Heathrow to Lambert-St Louis for the best Europe - Lambert-St Louis flight prices

You are more likely to see cheaper flights to St. Louis from Europe when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $990 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Europe for as low as $870 on momondo.

Finnair, American Airlines, and British Airways are the most popular carriers operating from Europe to Lambert-St Louis

United Airlines, Lufthansa and American Airlines are the top three most popular airlines that fly to St. Louis from Europe according to our data. United Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 4 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.

As of April 2026, there are 3 flights per day flying from Europe to St. Louis. The most common time of day flights depart is 4:00PM, with 76% of flights taking off in the afternoon.

As of April 2026, 26 flights take off from Europe and land in St. Louis each week. The most common flight departure day for this route is Wed, with 27% of weekly flights taking off on this day.