On this page, you can find and book flights from St. Louis to London. The 6,777 km route is served regularly, with a flight frequency of about 4 flights per week.
Flights on this route are operated by British Airways, American Airlines, and Iberia. To find the best deals, use the price trend chart, and for transfer information, check the sections on how to get to St. Louis airport and how to get from London airport.
Below is a calendar of the lowest flight ticket prices for St. Louis — London by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from AED 1,210 in y, and the most expensive are around AED 1,476 in e. 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.
St. Louis → London, average one-way price
| Month | Average price | Level | Month | Average price | Level | Month | Average price | Level |
|---|---|---|---|---|---|---|---|---|
| Jan | AED 1,718 | low | May | AED 2,659 | high | Sep | AED 2,127 | medium |
| Feb | AED 1,759 | low | Jun | AED 2,863 | high | Oct | AED 1,800 | low |
| Mar | AED 1,963 | medium | Jul | AED 2,945 | high | Nov | AED 1,841 | low |
| Apr | AED 2,045 | medium | Aug | AED 2,781 | high | Dec | AED 2,659 | high |
Some values are estimated based on seasonality.
July is the warmest month in London, with an average temperature of 22.2°C, while January is the coldest. Statistically, peak precipitation occurs in October, with over 80 mm of rainfall, while April and May enjoy relatively dry weather.
The lowest flight cost was recorded in July, starting AED 1,187. In August and September, prices remain around AED 1,251, rising by October to reach AED 1,476.
July is the optimal choice for a trip, combining the most favorable weather conditions with the lowest airfares. It is recommended to avoid flying in October to minimize expenses and stay clear of the rainy season.
There are 5 airlines operating on the St. Louis — London route, with American Airlines and British Airways being the key carriers. About 4 flights are operated per week, including options with connections at major aviation hubs. A detailed schedule, travel times, and aircraft types are provided in the list below; click on an airline card to see available departure days and route options.
Flights St. Louis — London depart from Lambert-St. Louis International Airport and arrive at Heathrow Airport, London Gatwick Airport, Stansted Airport and London Luton Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.
The approximate net flight time is about 8 hours; however, the total travel duration depends on the number and length of layovers at transit airports.
Regular flights between the cities are operated by carriers such as American Airlines, British Airways, Iberia, Finnair, and Aer Lingus.
The availability of non-stop flights depends on seasonal schedules; most often, this route involves one or two connections at major US or European aviation hubs.
The best prices are usually available when booking 8–12 weeks before departure. Monitor the price trend chart to catch the best moment to buy.
Airfares change constantly based on demand and flight occupancy. You can see the current minimum for the coming months in the low price calendar on this page.
Where travelers fly most — pick a route and check prices
