Cheap flights from Newark Airport to London from $424

If you aren’t able to travel during the month of September, then book flights to London from Newark Airport during November instead. Flights to London in November, while not as cheap as those in September, still average around $766.

Our data shows that Wednesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as $716. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Newark Airport to London for around $1,333.

The cheapest time of day to fly to London is in the afternoon when flights can be purchased for as low as $691. In contrast, the most expensive time of day to depart to London is in the evening when prices are around $876.

Fly from Newark to London Heathrow for the best Newark - London flight prices

You are more likely to see cheaper flights to London from Newark Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $880 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Newark Airport for as low as $846 on momondo.

You could potentially save up to 59% on your flight if you consider stops on a Newark Airport to London flight.

As of April 2026, prices for Newark Airport to London flights are approximately 1% more expensive when compared to flights at the same time last year.

Historically, on average around 19% of flights between Newark and London have experienced a delay on any given week. The average delay length over the past 12 months has been 184 minutes.

Generally, flights departing in the early afternoon 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. Friday 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 18% of their flights experiencing any sort of delay.

The number of flights available between Newark Airport and London is 42 per day as of April 2026. The most frequent departure time is 17:00, with 60% of daily flights leaving in the evening.

297 flights are operational weekly from Newark Airport to London as of April 2026. The most popular departure day for this route is Tue, with 16% of flights per week taking off on this day.