Cheap flights from Paris to London from $114

The month of September is, on average, the cheapest month to fly to London Heathrow Airport from Paris, with most prices found around $100. If you aren’t able to travel during the month of September, then book flights to London Heathrow Airport from Paris during January instead. Flights to London Heathrow Airport in January, while not as cheap as those in September, still average around $100.

Our data shows that Tuesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $273. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Paris to London Heathrow Airport for around $1,859.

In the evening is the cheapest time of day to fly from Paris to London Heathrow Airport when you can find flight prices for as low as $228. Flying to London Heathrow Airport in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to London Heathrow Airport is in the afternoon when prices are around $1,458.

Fly from Paris Charles de Gaulle to London Heathrow for the best Paris - London Heathrow flight prices

You are more likely to see cheaper flights to London Heathrow Airport from Paris when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $267 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Paris for as low as $233 on momondo.

There are 3 cabin classes available to choose from on Paris to London Heathrow Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 15% of flights between Paris and London have experienced a delay on any given week. The average delay length over the past 12 months has been 108 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 14% of their flights experiencing any sort of delay.

The number of flights available between Paris and London Heathrow Airport is 43 per day as of June 2026. The most frequent departure time is 13:00, with 40% of daily flights leaving in the afternoon.

As of June 2026, there are 304 flights per week flying from Paris to London Heathrow Airport. The most common day of the week flights depart is Thu, with 20% of flights taking off on this day.