STL - LON Price
|
$768 - $1,217
|
LON Temperature
|
39.2 - 62.6 °F
|
LON Rainfall
|
1.6 - 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 |
Round-trip from $768 From Lambert-St Louis to London (LON) |
One-way from $463 One-way flight from Lambert-St Louis to London (LON) |
It’s optimal to fly from St. Louis to London in the evening. By choosing this option you can save up to 17% on the cost of your flight, compared to a flight in the afternoon.
Saturday flights are generally found to be more expensive for flights from St. Louis to London. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London.
Flights from St. Louis to London lean towards being more expensive in December. Prices are generally better when you fly from St. Louis to London in September, with the cheapest ticket starting at $390.
Travelers have found it’s best to book a flight 53 days in advance to save up to 77% 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 53 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 St. Louis to London 1-2 weeks in advance for as low as $1,203, or $1,720 for flights within the next 24 hours.
Airline | Cheapest | Average | Flexibility | On-time | COVID-19 safety | |
---|---|---|---|---|---|---|
![]() |
$351 | $627 | No cancel fee | N/A | ||
![]() |
$430 | $850 | No cancel fee | 72% | ||
![]() |
$524 | $745 | No cancel fee | 69% | ||
![]() |
$561 | $835 | No cancel fee | 76% | ||
![]() |
$606 | $863 | No cancel fee | 70% | ||
![]() |
$611 | $837 | No cancel fee | 71% | ||
![]() |
$627 | $889 | No cancel fee | 77% | ||
![]() |
$649 | $1,143 | No cancel fee | N/A | ||
![]() |
$650 | $1,051 | No cancel fee | 77% | ||
![]() |
$671 | $878 | No cancel fee | 67% |