Cheap flights from Paris to London from £29

In general, March is the cheapest month to fly from Paris to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £104. The month of January is another great option to travel to London Heathrow Airport, with average flight prices from Paris averaging around £107.

On average, the least expensive day to fly to London Heathrow Airport from Paris is on a Saturday. momondo users have found tickets for Saturday departures for as low as £151. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Monday is £201.

According to our data, the cheapest time of day to fly to London Heathrow Airport is at midday. momondo users have found flights departing from Paris to London Heathrow Airport at midday for as low as £149. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £258 on average. Flights to London Heathrow Airport from Paris in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from Paris Orly 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 £137 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 £115 on momondo.

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

Vueling and British Airways are the most popular carriers operating from Paris to London Heathrow

Air France, Vueling and British Airways are the top three most popular airlines that fly to London Heathrow Airport from Paris according to our data. Air France is the first choice among our users, with 34% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 4 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

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 early afternoon 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, there are 50 flights per day flying from Paris to London Heathrow Airport. The most common time of day flights depart is 07:00, with 45% of flights taking off at midday.

352 flights are operational weekly from Paris to London Heathrow Airport as of March 2026. The most popular departure day for this route is Tue, with 21% of flights per week taking off on this day.