Travellers have found it’s best to book a flight 49 days in advance to save up to 0% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 49 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Southampton to St Louis 1-2 weeks in advance for as low as £576, or £576 for flights within the next 24 hours.
Our data shows that March tends to be the cheapest month to fly to St Louis from Southampton. Users have commonly found prices around £588 for the month, but tickets can be as low as £409. Due to multiple factors, prepare for potentially higher prices in July.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Southampton to St Louis as you normally would.
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.
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 similar to St Louis. You can assume this to be the case over the next 12 days.
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.