Cheap flights from Paris Charles de Gaulle Airport to London from $123

The month of January is, on average, the cheapest month to fly to London Heathrow Airport from Paris Charles de Gaulle Airport, with most prices found around $225. If you aren’t able to travel during the month of January, then book flights to London Heathrow Airport from Paris Charles de Gaulle Airport during September instead. Flights to London Heathrow Airport in September, while not as cheap as those in January, still average around $226.

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $210. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Paris Charles de Gaulle Airport to London Heathrow Airport for around $1,121.

In the evening is the cheapest time of day to fly from Paris Charles de Gaulle Airport to London Heathrow Airport when you can find flight prices for as low as $203. 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 $363.

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

You are more likely to see cheaper flights to London Heathrow Airport from Paris Charles de Gaulle Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $257 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 Charles de Gaulle Airport for as low as $215 on momondo.

There are 3 cabin classes available to choose from on Paris Charles de Gaulle to London Heathrow 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 16% 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 107 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights departing in the morning 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. Thursday 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.

As of March 2026, 54 flights take off from Paris Charles de Gaulle Airport and land in London Heathrow Airport each day. The most common flight departure time for this route is 10:00, with 44% of daily flights taking off at midday.

The number of flights available between Paris Charles de Gaulle Airport and London Heathrow Airport is 378 per week as of March 2026. The most frequent departure day is Mon, with 18% of weekly flights leaving on this day.