On this page, you can find and book flights from London to St. Louis. This 6,777 km flight route operates about 3 times a week, so it is recommended to plan your trip in advance.
The main carrier on this route is BA. Ticket prices are dynamic, so we suggest using the price chart to find the best deals. You can also find information on how to get to London airports and from the airport in St. Louis.
Below is a calendar of the lowest flight ticket prices for London — St. Louis by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from AED 1,969 in F, and the most expensive are around AED 2,767 in u. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.
London → St. Louis, average one-way price
| Month | Average price | Level | Month | Average price | Level | Month | Average price | Level |
|---|---|---|---|---|---|---|---|---|
| Jan | AED 2,165 | low | May | AED 2,695 | medium | Sep | AED 2,406 | medium |
| Feb | AED 2,021 | low | Jun | AED 2,887 | high | Oct | AED 2,117 | low |
| Mar | AED 2,310 | medium | Jul | AED 3,128 | high | Nov | AED 2,069 | low |
| Apr | AED 2,502 | medium | Aug | AED 2,599 | medium | Dec | AED 3,032 | high |
Some values are estimated based on seasonality.
The hottest month in St. Louis is July, when average highs reach 31.4°C. The coldest weather is recorded in January, with lows reaching -3.1°C, while the rainiest periods are typically in the spring, especially March and May.
According to flight cost data, the most budget-friendly month is September, with ticket prices starting AED 1,969. Prices peak in July, when the minimum cost starts AED 2,737.
The optimal time to book is September, as it offers a balance of moderate temperatures and the lowest fares. It is best to avoid periods of extreme heat in mid-summer due to the high cost of airfare.
British Airways (BA) provides regular service on the flight route from the UK to the USA. On average, there are about 3 flights per week, allowing you to choose a convenient departure date. Check the detailed schedule and available flight options in the interactive list below to find the best flight for your schedule and budget.
Flights London — St. Louis depart from Heathrow Airport, London Gatwick Airport, Stansted Airport and London Luton Airport and arrive at Lambert-St. Louis International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.
With a distance of 6,777 km, the estimated travel time for a direct flight is about 8–9 hours. Travel time with connections depends on the duration of the layover.
The main carrier operating regular flights from London is British Airways (BA).
Direct flights operate several times a week; you can check for specific flights on your dates in the schedule block on this page.
Ticket prices are constantly changing. Currently, minimum fares start from 40,922 ₽; please check the price calendar for the most up-to-date offers.
Most flights arrive at St. Louis Lambert International Airport (STL).
Where travelers fly most — pick a route and check prices
