Find a great deal and save up to 20% by booking at least 35 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from St Louis to Reus within the next two weeks, with the cheapest ticket starting at $801.
Due to multiple factors, expect to potentially pay more when booking in June. For low rates, November can be a great choice for travel to Reus. Flights to Reus from St Louis in November are about $804 on average during November, but can be found for as low as $455.