We work with more than 300 partners to bring you better travel deals
Cheap Flights to St. Denis
|Popular in||August||High demand for flights, 8% potential price rise|
|Cheapest in||September||Best time to find cheap flights, 3% potential price drop|
|Average price||£734||Average for round-trip flights in september 2020|
|Round-trip from||£297||From London to Saint-Denis|
|One-way from||£184||One-way flight from London to Saint-Denis|
Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
Cheapest prices for St. Denis flights by month
Currently, the cheapest month for flights to St. Denis is September. The most expensive month for flights is July. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.
When is the best time to fly to St. Denis?
Choose a month below to see average flight price and weather conditions.
LON - RUN
£672 - £1,338
25 - 30 °C
46 - 311 mm
Flying to St. Denis in September is usually considered the best time to fly. However, you will find other deals are always available year round. January sees the temperatures in St. Denis peak to their warmest. February tends, on average, to see the most amount of rainfall.