Cheap flights from London Heathrow Airport to Phoenix from £403

The cheapest month to fly to Phoenix Sky Harbor Intl Airport from London Heathrow Airport is in September. Flight prices, which tend to average around £578, are often lower during this time because this is during the off-season. The month of November is another great option to travel to Phoenix Sky Harbor Intl Airport, with average flight prices from London Heathrow Airport averaging around £599.

The cheapest day to depart from London Heathrow Airport to Phoenix Sky Harbor Intl Airport is on a Wednesday. Travellers who choose to depart for Phoenix Sky Harbor Intl Airport on a Wednesday will often find tickets for as low as £620. On the other hand, Sunday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £723.

Our most recent data shows that the best time of day to fly to Phoenix Sky Harbor Intl Airport is in the afternoon. Flights from London Heathrow Airport to Phoenix Sky Harbor Intl Airport during this time can be as low as £645. Flights in the morning are often more expensive, with an average ticket price of £669.

Fly from London Heathrow to Phoenix Sky Harbor Intl for the best London Heathrow - Phoenix Sky Harbor Intl flight prices

You are more likely to see cheaper flights to Phoenix Sky Harbor Intl Airport from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Phoenix Sky Harbor Intl Airport for around £688 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phoenix Sky Harbor Intl Airport from London Heathrow Airport for as low as £596 on momondo.

You could potentially save up to 22% on your flight if you consider stops on a London Heathrow Airport to Phoenix Sky Harbor Intl Airport flight.

As of May 2026, prices for London Heathrow Airport to Phoenix Sky Harbor Intl Airport flights are approximately 1% cheaper when compared to flights at the same time last year.

United Airlines is the most popular carrier operating from London Heathrow to Phoenix Sky Harbor Intl

British Airways, American Airlines and Finnair are the top three most popular airlines that fly to Phoenix Sky Harbor Intl Airport from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 74% of people opting to fly with this airline when travelling to Phoenix Sky Harbor Intl Airport. Keep in mind that there are 11 different airlines that fly to Phoenix Sky Harbor Intl Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 24% of flights between London and Phoenix have experienced a delay on any given week. The average delay length over the past 12 months has been 160 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.

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Tuesday 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 24% of their flights experiencing any sort of delay.

The number of flights available between London Heathrow Airport and Phoenix Sky Harbor Intl Airport is 9 per day as of May 2026. The most frequent departure time is 16:00, with 55% of daily flights leaving in the afternoon.

63 flights are operational weekly from London Heathrow Airport to Phoenix Sky Harbor Intl Airport as of May 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.