Cheap flights from Newark Airport to London from $340

The month of February is, on average, the cheapest month to fly to London Heathrow Airport from Newark Airport, with most prices found around $752. If you aren’t able to travel during the month of February, then book flights to London Heathrow Airport from Newark Airport during January instead. Flights to London Heathrow Airport in January, while not as cheap as those in February, still average around $770.

Our data shows that Thursday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $735. 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 Heathrow Airport for around $1,046.

In the morning is the cheapest time of day to fly from Newark Airport to London Heathrow Airport when you can find flight prices for as low as $759. Flying to London Heathrow Airport in the morning 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 evening when prices are around $921.

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 $883 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 $841 on momondo.

There are 3 cabin classes available to choose from on Newark to London Heathrow 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 53% on your flight if you consider stops on a Newark Airport to London Heathrow Airport flight.

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

Historically, on average around 20% 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 180 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 19% of their flights experiencing any sort of delay.

The number of flights available between Newark Airport and London Heathrow Airport is 38 per day as of March 2026. The most frequent departure time is 23:00, with 88% of daily flights leaving in the evening.

As of March 2026, there are 269 flights per week flying from Newark Airport to London Heathrow Airport. The most common day of the week flights depart is Fri, with 16% of flights taking off on this day.