Users have found that booking a flight from St Louis to Southampton at least 61 days early can save you up to 76% on average compared to booking a flight this week. If booking 61 days before your flight isn’t an option for you, users have found flights from St Louis to Southampton for as little as $602 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $805 for flights departing within the next 3 days.
March can be a great time to fly to Southampton from St Louis with a flight ticket averaging about $453. Cheapflights users have found deals in the month of March for as cheap as $327. The most expensive prices can be found in the month of December.