Cheap flights from Newark Airport to London from £165

In general, February is the cheapest month to fly from Newark Airport to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £393. The month of January is another great option to travel to London Heathrow Airport, with average flight prices from Newark Airport averaging around £413.

On average, the least expensive day to fly to London Heathrow Airport from Newark Airport is on a Monday. momondo users have found tickets for Monday departures for as low as £472. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £573.

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from Newark Airport to London Heathrow Airport in the morning for as low as £520. 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 afternoon when prices are £556 on average. Flights to London Heathrow Airport from Newark Airport in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to London Heathrow Airport from Newark Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £545 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 Newark Airport for as low as £499 on momondo.

There are 3 cabin classes available to choose from on Newark Airport 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.

You could potentially save up to 4% on your flight if you consider stops on a Newark Airport to London Heathrow Airport flight.

As of September 2026, prices for Newark Airport to London Heathrow Airport flights are approximately 15% cheaper when compared to flights at the same time last year.

United Airlines and British Airways are the most popular carriers operating from Newark to London Heathrow

United Airlines, Lufthansa and British Airways are the top three most popular airlines that fly to London Heathrow Airport from Newark Airport according to our data. United Airlines is the first choice among our users, with 63% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 3 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 18% 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 187 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 15% of their flights experiencing any sort of delay.

Dublin (DUB) was the most common stop: 67% of momondo users choosing one-stop flights on this route connected there.

Flights via Montreal (YUL) offer the lowest average return price of £379.

Flights connecting via Dublin (DUB) have the shortest average one-way travel time: 9h 41m.

Reykjavik (KEF) has the shortest average stopover time for this route: 1h 25m.

41 flights are operational daily from Newark Airport to London Heathrow Airport as of September 2026. The most popular departure time for this route is 17:00, with 53% of flights per day taking off in the evening.

The number of flights available between Newark Airport and London Heathrow Airport is 289 per week as of September 2026. The most frequent departure day is Tue, with 15% of weekly flights leaving on this day.