STL - LON Price
|
$768 - $1,217
|
LON Temperature
|
48.2 - 73.4 °F
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LON Rainfall
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1.4 - 2.8 inches
|
Popular in December High demand for flights, 22% potential price rise |
Cheapest in September Best time to find cheap flights, 19% potential price drop |
Average price $859 Average for round-trip flights in January 2021 |
Round-trip from $768 From Lambert-St Louis Intl to London |
Travelers have found that booking a Monday departure is the best way to save up to 29% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.
Travelers have found it’s best to book a flight 61 days in advance to save up to 44% 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 61 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 Lambert-St Louis Intl to London 1-2 weeks in advance for as low as $910, or $1,146 for flights within the next 24 hours.
Flights from Lambert-St Louis Intl to London lean towards being more expensive in July. Prices are generally better when you fly from Lambert-St Louis Intl to London in October, with the cheapest ticket starting at $445.
It’s typically best to fly out from Lambert-St Louis Intl to London in the evening. Doing so could potentially save you 18% on the flight price compared to flying in the afternoon, which is usually more expensive.
The chart below displays the airlines Cheapflights users traveling from Lambert-St Louis Intl to London choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline | Cheapest | Average | Flexibility | On-time | COVID-19 safety | |
---|---|---|---|---|---|---|
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$351 | $627 | No cancel fee | N/A | ||
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$433 | $728 | No cancel fee | 77% | ||
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$395 | $836 | No cancel fee | 76% | ||
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$263 | $869 | No cancel fee | 69% | ||
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$603 | $893 | No cancel fee | 72% | ||
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$658 | $905 | No cancel fee | 75% | ||
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$383 | $1,067 | No cancel fee | 70% | ||
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$620 | $1,104 | No cancel fee | 67% | ||
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$691 | $1,105 | No cancel fee | N/A | ||
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$360 | $1,162 | No cancel fee | 71% |