Cheap flights from London to Phoenix from £409

The cheapest month to fly to Phoenix Sky Harbor Intl Airport from London is in February. Flight prices, which tend to average around £310, are often lower during this time because this is during the off-season. The month of March is another great option to travel to Phoenix Sky Harbor Intl Airport, with average flight prices from London averaging around £331.

The cheapest day to depart from London 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 £623. On the other hand, Sunday is the most expensive day to depart from London because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £718.

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 to Phoenix Sky Harbor Intl Airport during this time can be as low as £650. Flights in the morning are often more expensive, with an average ticket price of £672.

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

You are more likely to see cheaper flights to Phoenix Sky Harbor Intl Airport from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Phoenix Sky Harbor Intl Airport for around £694 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 for as low as £597 on momondo.

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

As of May 2026, prices for London to Phoenix Sky Harbor Intl Airport flights are approximately 9% more expensive when compared to flights at the same time last year.

SWISS, United Airlines, and British Airways are the most popular carriers operating from London 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 according to our data. British Airways is the first choice among our users, with 73% 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 25% 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 158 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon 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, American Airlines have had the fewest delays on this route over the last 12 months, with about 24% of their flights experiencing any sort of delay.

New York (JFK) was the most common stop: 60% of momondo users choosing one-stop flights on this route connected there.

Flights via Montreal (YUL) offer the lowest average return price of £542.

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 13h 22m.

Denver (DEN) has the shortest average stopover time for this route: 1h 17m.

9 flights are operational daily from London to Phoenix Sky Harbor Intl Airport as of May 2026. The most popular departure time for this route is 16:00, with 55% of flights per day taking off in the afternoon.

63 flights are operational weekly from London 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.