Cheap flights from Europe to St. Louis from $352

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 $731. The month of March is another great option to travel to St. Louis, with average flight prices from Europe averaging around $835.

The cheapest day to depart on your flight to St. Louis is on a Tuesday when prices can be found for as low as $1,065. 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 Friday because tickets tend to average around $1,408. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

Fly from Frankfurt am Main 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 $997 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 $820 on momondo.

There is only 1 cabin class available to choose from on Europe to 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 32% on your flight if you consider stops on a Europe to St. Louis flight.

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

United Airlines, Lufthansa and British Airways 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 42% 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 July 2026, there are 4 flights per day flying from Europe to St. Louis. The most common time of day flights depart is 4:00PM, with 66% of flights taking off in the afternoon.

As of July 2026, 30 flights take off from Europe and land in St. Louis each week. The most common flight departure day for this route is Tue, with 23% of weekly flights taking off on this day.