How to find the cheapest flight from Southampton (SOU) to Lambert-St Louis Intl (STL)
All the information you need to plan the best SOU to STL flight in 2021: compare Southampton to Lambert-St Louis Intl flight prices with the expected peak season, weather and rainfall in Lambert-St Louis Intl.
How far in advance should I book a flight from Southampton to Lambert-St Louis Intl?
Find a great deal and save up to 14% by booking at least 57 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 Southampton to Lambert-St Louis Intl within the next two weeks, with the cheapest ticket starting at £600.
Related info for your journey
Useful info, stats and facts about <span class="emphasized">Southampton</span> to <span class="emphasized">Lambert-St Louis Intl</span> flights.
From Southampton to Lambert-St Louis Intl
Are flight prices decreasing from Southampton to St Louis due to COVID-19 (coronavirus)?
At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Southampton and St Louis for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.
Does it rain more in Southampton or St Louis?
When travelling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Southampton is roughly less than St Louis. You can assume this to be the case over the next 10 days.
Is Southampton weather warmer or cooler than St Louis?
Our data indicates that the weather will be 32 °C on average in the month of July. The temperature in St Louis is typically hotter than in Southampton. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.