Currently, the most affordable month to book a British Airways flight from London to St. Louis in November, with an average price of £670. Conversely, traveling with British Airways from London to St. Louis in August will be the most expensive, with an average cost of £838. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
January
£579
February
£554
March
£566
April
£575
May
£595
June
£648
July
£618
August
£671
September
£559
October
£554
November
£536
December
£551
STL Temperature | 0 - 27 °C |
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If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).
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